Esempio n. 1
0
static int
parse_fatso_yml(struct fatso_project* p, const char* file, char** out_error_message) {
  int r = 1;
  yaml_parser_t parser;
  yaml_document_t doc;

  yaml_parser_initialize(&parser);

  FILE* fp = fopen(file, "r");
  if (!fp) {
    *out_error_message = strdup(strerror(errno));
    goto out;
  }

  yaml_parser_set_input_file(&parser, fp);
  if (!yaml_parser_load(&parser, &doc)) {
    *out_error_message = strdup(parser.problem);
    goto out_doc;
  }

  yaml_node_t* root = yaml_document_get_root_node(&doc);
  if (root == NULL) {
    *out_error_message = strdup("YAML file does not contain a document");
    goto out_doc;
  }

  r = fatso_package_parse(&p->package, &doc, root, out_error_message);
out_doc:
  yaml_document_delete(&doc);
out:
  yaml_parser_delete(&parser);
  fclose(fp);
  return r;
}
Esempio n. 2
0
int yaml_parser_set_input_filename(yaml_parser_t *parser, const char *filename)
{
	FILE *in = fopen(filename, "r");
	if (!in) return 0;
	yaml_parser_set_input_file(parser, in);
	return 1;
}
Esempio n. 3
0
config_t load_config_yml(const char * filename, config_t conf) {
    yaml_parser_t parser;
    
    FILE * fcfg;
    char path[CONF_STR];

    memset(path, 0, CONF_STR);
    sprintf(path, "%s", filename);
    
    memset(&parser, 0, sizeof(parser));
    
    config_t r = conf;
    
    if (!yaml_parser_initialize(&parser)) {
    
        yaml_parser_error(parser);    
    }
    if ((fcfg = fopen(path, "r"))) {
        plc_log("Looking for configuration from %s ...", path);
        yaml_parser_set_input_file(&parser, fcfg);
        r = process(CONF_ERR, &parser, conf);
        if(r->err < CONF_OK)
            plc_log( "Configuration error ");
        fclose(fcfg);
    } else {
        r->err = CONF_ERR;
        plc_log("Could not open file %s", filename);
    }
    yaml_parser_delete(&parser);
    return r;
}
Esempio n. 4
0
SEXP
R_readYAML(SEXP stream, SEXP isFile, SEXP simplify, SEXP nullValue, SEXP simplifyWithNames, SEXP encoding)
{
    yaml_parser_t parser;
    FILE *input = NULL;
    SEXP ans = R_NilValue;

    yaml_parser_initialize(&parser);

    if(LOGICAL(isFile)[0]) {
	input = fopen(CHAR(STRING_ELT(stream, 0)), "r");
	yaml_parser_set_input_file(&parser, input);
    } else {
	yaml_parser_set_input(&parser, read_handler, NULL);
    }


    if(input)
	fclose(input);

    ans = processYAMLStream(&parser, INTEGER(simplify)[0], nullValue, INTEGER(simplifyWithNames)[0], INTEGER(encoding)[0]);

    yaml_parser_delete(&parser);

    if(!ans) {
	PROBLEM "failed in yaml"
        ERROR;
    }
	
    return(ans);
}
Esempio n. 5
0
int mosaic_parse_config(const char *cfg, struct mosaic *m)
{
	FILE *cfg_f;
	yaml_parser_t parser;
	int ret = -1;

	cfg_f = fopen(cfg, "r");
	if (!cfg_f) {
		loge("%s: can't open %s: %m\n", __func__, cfg);
		goto out;
	}

	if (!yaml_parser_initialize(&parser)) {
		loge("%s: can't initialize yaml parser\n",
				__func__);
		goto out_c;
	}

	yaml_parser_set_input_file(&parser, cfg_f);
	ret = yaml_parse_all(&parser, parse_config, m);
	yaml_parser_delete(&parser);
out_c:
	fclose(cfg_f);
out:
	if (ret) {
		loge("%s: Can't parse %s (ret=%d)\n", __func__, cfg, ret);
		return -1;
	}
	if (!m->m_ops) {
		loge("%s: Missing or unknown \"type\" in %s\n", __func__, cfg);
		return -1;
	}
	return ret;
}
Esempio n. 6
0
static rstatus_t
conf_yaml_init(struct conf *cf)
{
    int rv;

    ASSERT(!cf->valid_parser);

    rv = fseek(cf->fh, 0L, SEEK_SET);
    if (rv < 0) {
        log_error("conf: failed to seek to the beginning of file '%s': %s",
                  cf->fname, strerror(errno));
        return NC_ERROR;
    }

    rv = yaml_parser_initialize(&cf->parser);
    if (!rv) {
        log_error("conf: failed (err %d) to initialize yaml parser",
                  cf->parser.error);
        return NC_ERROR;
    }

    yaml_parser_set_input_file(&cf->parser, cf->fh);
    cf->valid_parser = 1;

    return NC_OK;
}
Esempio n. 7
0
int main (
    int     argc,
    char    *argv [])
{
    FILE *fh = fopen("/etc/cpanel/ea4/php.conf", "r");

    if( !fh )
        fh = fopen("/etc/apache2/conf.d/php.conf.yaml", "r");

    yaml_parser_t parser;
    yaml_event_t  event;   /* New variable */

    /* Initialize parser */
    if(!yaml_parser_initialize(&parser))
        fputs("Failed to initialize parser!\n", stderr);
    if(fh == NULL)
        fputs("Failed to open file!\n", stderr);

    /* Set input file */
    yaml_parser_set_input_file(&parser, fh);

    /* START new code */
    do {
        if (!yaml_parser_parse(&parser, &event)) {
            printf("Parser error %d\n", parser.error);
            exit(EXIT_FAILURE);
        }

        switch(event.type)
        { 
        case YAML_NO_EVENT: puts("No event!"); break;
        /* Stream start/end */
        case YAML_STREAM_START_EVENT: puts("STREAM START"); break;
        case YAML_STREAM_END_EVENT:   puts("STREAM END");   break;
        /* Block delimeters */
        case YAML_DOCUMENT_START_EVENT: puts("<b>Start Document</b>"); break;
        case YAML_DOCUMENT_END_EVENT:   puts("<b>End Document</b>");   break;
        case YAML_SEQUENCE_START_EVENT: puts("<b>Start Sequence</b>"); break;
        case YAML_SEQUENCE_END_EVENT:   puts("<b>End Sequence</b>");   break;
        case YAML_MAPPING_START_EVENT:  puts("<b>Start Mapping</b>");  break;
        case YAML_MAPPING_END_EVENT:    puts("<b>End Mapping</b>");    break;
        /* Data */
        case YAML_ALIAS_EVENT:  printf("Got alias (anchor %s)\n", event.data.alias.anchor); break;
        case YAML_SCALAR_EVENT: printf("Got scalar (value %s)\n", event.data.scalar.value); break;
        }
        if(event.type != YAML_STREAM_END_EVENT)
        yaml_event_delete(&event);
    } while (event.type != YAML_STREAM_END_EVENT);

    yaml_event_delete(&event);
    /* END new code */

    /* Cleanup */
    yaml_parser_delete(&parser);
    fclose(fh);

    return 0;
}
Esempio n. 8
0
int
main(int argc, char *argv[])
{
    int number;

    if (argc < 2) {
        printf("Usage: %s file1.yaml ...\n", argv[0]);
        return 0;
    }

    for (number = 1; number < argc; number ++)
    {
        FILE *file;
        yaml_parser_t parser;
        yaml_document_t document;
        int done = 0;
        int count = 0;
        int error = 0;

        printf("[%d] Loading '%s': ", number, argv[number]);
        fflush(stdout);

        file = fopen(argv[number], "rb");
        assert(file);

        assert(yaml_parser_initialize(&parser));

        yaml_parser_set_input_file(&parser, file);

        while (!done)
        {
            if (!yaml_parser_load(&parser, &document)) {
                error = 1;
                break;
            }

            done = (!yaml_document_get_root_node(&document));

            yaml_document_delete(&document);

            if (!done) count ++;
        }

        yaml_parser_delete(&parser);

        assert(!fclose(file));

        printf("%s (%d documents)\n", (error ? "FAILURE" : "SUCCESS"), count);
    }

    return 0;
}
Esempio n. 9
0
int YamlCfgParser_ParseFile(struct CfgParser * apParser, const char *apFileName)
{
    FILE *source = fopen(apFileName, "r");

	if (source == NULL)
		return -1;

	assert(apParser != NULL);
    yaml_parser_set_input_file(&apParser->parser, source);
	process_yaml_parser(apParser);

    fclose(source);
	return 0;
}
Esempio n. 10
0
FILE		*init_parser(t_conf *conf, yaml_parser_t *parser,
			     char *filename)
{
  FILE		*fd;

  fd = fopen(filename, "r");
  init_conf(conf);
  if (!yaml_parser_initialize(parser))
    fputs("Failed to initialize parser!\n", stderr);
  if (fd == NULL)
    fputs("Failed to open file!\n", stderr);
  yaml_parser_set_input_file(parser, fd);
  return (fd);
}
Esempio n. 11
0
int
main (int argc, char* argv[]) {
  int number;

  if (argc < 2) {
    printf ("Usage: %s file1.yaml ...\n", argv[0]);
    return 0;
    }

  for (number = 1; number < argc; number ++) {
    FILE* file;
    yaml_parser_t parser;
    yaml_token_t token;
    int done = 0;
    int count = 0;
    int error = 0;

    printf ("[%d] Scanning '%s': ", number, argv[number]);
    fflush (stdout);

    file = fopen (argv[number], "rb");
    assert (file);

    assert (yaml_parser_initialize (&parser));

    yaml_parser_set_input_file (&parser, file);

    while (!done) {
      if (!yaml_parser_scan (&parser, &token)) {
        error = 1;
        break;
        }

      done = (token.type == YAML_STREAM_END_TOKEN);

      yaml_token_delete (&token);

      count ++;
      }

    yaml_parser_delete (&parser);

    assert (!fclose (file));

    printf ("%s (%d tokens)\n", (error ? "FAILURE" : "SUCCESS"), count);
    }

  return 0;
  }
Esempio n. 12
0
bool
YamlDocument::load(char *fname)
{
	
	FILE *fh = fopen(fname, "rb");


	if(fh == NULL){
		std::cerr << "Fail to open file: " << fname <<  std::endl;
		return false;
	}

	if(!yaml_parser_initialize(&parser)){
		std::cerr << "Fail to initialize parser." << std::endl;
		fclose(fh);
		return false;
	}
	yaml_parser_set_input_file(&parser, fh);

	do{
		yaml_parser_parse(&parser, &event);
		switch(event.type){
		case YAML_STREAM_START_EVENT:
			break;
		case YAML_STREAM_END_EVENT:
			break;
		case YAML_DOCUMENT_START_EVENT:
			root = ParseYamlDoc();
			break;
		case YAML_DOCUMENT_END_EVENT:
			break;
		default:
			std::cerr << "YAML Format error." << std::endl;
			break;
		}
		if(event.type != YAML_STREAM_END_EVENT){
	  		yaml_event_delete(&event);
		}
	}while(event.type != YAML_STREAM_END_EVENT);

	yaml_event_delete(&event);
	yaml_parser_delete(&parser);
	fclose(fh);

	return (root != NULL);
}
Esempio n. 13
0
int YamlHelper::InitParser(const char* pPathname)
{
	m_hFile = fopen(pPathname, "r");
	if (m_hFile == NULL)
	{
		return 0;
	}

	if (!yaml_parser_initialize(&m_parser))
	{
		return 0;
	}

	yaml_parser_set_input_file(&m_parser, m_hFile);

	return 1;
}
Esempio n. 14
0
wb_configuration*
wb_read_config(wb_configuration *config, char *filename)
{
	wb_config_parser_state state_static_alloc;
	wb_config_parser_state *state = &state_static_alloc;

	FILE *input = fopen(filename, "rb");

	if (!input)
		error("Reading configuration file %s failed", filename);

	wb_config_parser_init(state);

	yaml_parser_set_input_file(&(state->parser), input);

	wb_read_main_config(state, config);

	wb_config_parser_delete(state);
	return config;
}
Esempio n. 15
0
int main(void)
{
  FILE *fh = fopen("c.yaml", "r");
  yaml_parser_t parser;

  /* Initialize parser */
  if(!yaml_parser_initialize(&parser))
    fputs("Failed to initialize parser!\n", stderr);
  if(fh == NULL)
    fputs("Failed to open file!\n", stderr);

  /* Set input file */
  yaml_parser_set_input_file(&parser, fh);

  /* CODE HERE */
  

  /* Cleanup */
  yaml_parser_delete(&parser);
  fclose(fh);
  return 0;
}
Esempio n. 16
0
int load_documents(char *config_file_path) {
  int rv = 0;
  FILE *config_file = NULL;
  yaml_parser_t parser;
  yaml_document_t document;

  config_file = fopen(config_file_path, "r");

  if (config_file == NULL) {
    printf("ERROR: failed to open file %s\n", config_file_path);
    return ERR_FILE_OPEN_FAIL;
  }
  if (!yaml_parser_initialize(&parser)) {
    printf("ERROR: failed to initialize YAML parser\n");
    return ERR_YAML_INIT_FAIL;
  }

  yaml_parser_set_input_file(&parser, config_file);

  int done = 0;
  while (!done) {
    if (!yaml_parser_load(&parser, &document)) {
      printf("ERROR: failed to load document\n");
      return ERR_DOC_LOAD_FAIL;
    }

    yaml_node_t *root_node = yaml_document_get_root_node(&document);
    if (root_node == NULL) {
      done = 1;
    } else {
      print_document(&document, root_node);
    }
    yaml_document_delete(&document);
  }

  yaml_parser_delete(&parser);
  fclose(config_file);
  return rv;
}
Esempio n. 17
0
File: main.c Progetto: Debug-Orz/h2o
yoml_t *load_config(const char *fn)
{
    FILE *fp;
    yaml_parser_t parser;
    yoml_t *yoml;

    if ((fp = fopen(fn, "rb")) == NULL) {
        fprintf(stderr, "could not open configuration file:%s:%s\n", fn, strerror(errno));
        return NULL;
    }
    yaml_parser_initialize(&parser);
    yaml_parser_set_input_file(&parser, fp);

    yoml = yoml_parse_document(&parser, NULL);

    if (yoml == NULL)
        fprintf(stderr, "failed to parse configuration file:%s:%s\n", fn, parser.problem);

    yaml_parser_delete(&parser);

    return yoml;
}
Esempio n. 18
0
bool DataLoader::load(const char* name, IObject* receiver) {
    bool r = true;
    clearCurrentName();
    yaml_parser_initialize(&parser);
    FILE *input = fopen(name, "rb");
    yaml_parser_set_input_file(&parser, input);
    int done = 0;
    while (!done) {
        if (!yaml_parser_parse(&parser, &event)) {
            r = false;
        }
        if (!notify(receiver)) {
            r = false;
        }
        if (!r) break;
        done = (event.type == YAML_STREAM_END_EVENT);
        yaml_event_delete(&event);
    }
    yaml_parser_delete(&parser);
    fclose(input);
    return r;
}
Esempio n. 19
0
MapObject MapObject::processYaml(FILE* fh) {
	int debug = 0;
 
#ifdef DEBUG
	debug = 0;
#endif
 
	MapObject yamlMap;
 
	if (fh == NULL) {
		yamlMap._type = MapObject::MAP_OBJ_FAILED;
		if (debug)
			fputs("Failed to open file!\n", stderr);
		return yamlMap;
	}
 
	yaml_parser_t parser;
	yaml_event_t  event;
 
	if (! yaml_parser_initialize(&parser)) {
		yamlMap._type = MapObject::MAP_OBJ_FAILED;
		if (debug)
			fputs("Failed to initialize parser!\n", stderr);
		return yamlMap;
	}
 
	yaml_parser_set_input_file(&parser, fh);
 
	hardcoreYamlProcess(&yamlMap, &parser, &event);
 
	yaml_event_delete(&event);
	yaml_parser_delete(&parser);
 
	fclose(fh);
 
	return yamlMap;
}
Esempio n. 20
0
int cloud_config_main(const gchar* filename) {
	yaml_parser_t parser;
	GList* handlers = NULL;
	int i;

	cloud_config_global_data = g_hash_table_new(g_str_hash, g_str_equal);

	LOG("Parsing user data file %s\n", filename);
	GNode* userdata = g_node_new(g_strdup(filename));
	FILE* cloud_config_file = fopen(filename, "rb");

	yaml_parser_initialize(&parser);
	yaml_parser_set_input_file(&parser, cloud_config_file);
	cloud_config_parse(&parser, userdata, 0);
	yaml_parser_delete(&parser);
	fclose(cloud_config_file);

	g_node_traverse(userdata, G_POST_ORDER, G_TRAVERSE_ALL, -1, cloud_config_simplify, NULL);

	cloud_config_dump(userdata);

	/* built-in handlers */
	for (i = 0; cc_module_structs[i] != NULL; ++i) {
		LOG("Loaded handler for block \"%s\"\n", cc_module_structs[i]->name);
		handlers = g_list_prepend(handlers, cc_module_structs[i]);
	}

	cloud_config_process(userdata, handlers);

	g_node_traverse(userdata, G_POST_ORDER, G_TRAVERSE_ALL, -1, cloud_config_free, NULL);
	g_node_destroy(userdata);

	g_list_free(handlers);
	g_hash_table_destroy(cloud_config_global_data);

	return 0;
}
Esempio n. 21
0
File: rules.c Progetto: aihua/moloch
void moloch_rules_load(char **names)
{
    int    i;

    // Make a copy of current items to free later

    MolochRulesInfo_t *freeing = MOLOCH_TYPE_ALLOC0(MolochRulesInfo_t);
    memcpy(freeing, &current, sizeof(current));
    moloch_free_later(freeing, (GDestroyNotify) moloch_rules_free);

    // Load all the rule files
    for (i = 0; names[i]; i++) {
        yaml_parser_t parser;
        yaml_parser_initialize(&parser);
        FILE *input = fopen(names[i], "rb");
        if (!input)
            LOGEXIT("ERROR - can not open rules file %s", names[i]);

        yaml_parser_set_input_file(&parser, input);
        YamlNode_t *parent = moloch_rules_parse_yaml(names[i], NULL, &parser, FALSE);
        yaml_parser_delete(&parser);
        if (!parent) {
            LOG("WARNING %s - has no rules", names[i]);
            continue;
        }
#ifdef RULES_DEBUG
        moloch_rules_parse_print(parent, 0);
#endif
        moloch_rules_load_file(names[i], parent);
        moloch_rules_free_node(parent);
        fclose(input);
    }

    // Part 2, which will also copy loading to current
    moloch_rules_load_complete();
}
Esempio n. 22
0
struct config* parse_config(FILE *input) {
	struct config *config = malloc(sizeof(struct config));
	if (config == NULL) {
		stats_error_log("malloc() error");
		return NULL;
	}

	init_proto_config(&config->carbon_config);
	if (config->carbon_config.ring == NULL) {
		stats_error_log("failed to allocate ring");
		free(config);
		return NULL;
	}
	config->carbon_config.bind = strdup("127.0.0.1:2003");

	init_proto_config(&config->statsd_config);
	config->statsd_config.bind = strdup("127.0.0.1:8125");

	yaml_parser_t parser;
	yaml_event_t event;

	if (!yaml_parser_initialize(&parser)) {
		stats_log("failed to initialize yaml parser");
		goto parse_err;
	}
	yaml_parser_set_input_file(&parser, input);

	struct proto_config *protoc = NULL;
	char *strval;
	long numval;
	int shard_count = -1;
	int map_nesting = 0;
	bool in_document = false;
	bool keep_going = true;
	bool is_key = false;
	bool update_bind = false;
	bool update_send_queue = false;
	bool update_validate = false;
	bool update_tcp_cork = false;
	bool always_resolve_dns = false;
	bool expect_shard_map = false;
	while (keep_going) {
		if (!yaml_parser_parse(&parser, &event)) {
			goto parse_err;
		}

		switch(event.type) {
		case YAML_NO_EVENT:
		case YAML_STREAM_START_EVENT:
			break;  // nothing to do
		case YAML_STREAM_END_EVENT:
			keep_going = false;
			break;
		case YAML_DOCUMENT_START_EVENT:
			if (in_document) {
				stats_error_log("config should not have nested documents");
				goto parse_err;
			}
			in_document = true;
			break;
		case YAML_DOCUMENT_END_EVENT:
			in_document = false;
			break;
		case YAML_SEQUENCE_START_EVENT:
		case YAML_SEQUENCE_END_EVENT:
			stats_error_log("unexpectedly got sequence");
			goto parse_err;
			break;
		case YAML_MAPPING_START_EVENT:
			is_key = true;
			map_nesting++;
			break;
		case YAML_MAPPING_END_EVENT:
			map_nesting--;
			break;
		case YAML_ALIAS_EVENT:
			stats_error_log("don't know how to handle yaml aliases");
			goto parse_err;
			break;
		case YAML_SCALAR_EVENT:
			strval = (char *) event.data.scalar.value;
			switch (map_nesting) {
			case 0:
				stats_error_log("unexpectedly got scalar outside of a map");
				goto parse_err;
				break;
			case 1:
				if (strcmp(strval, "carbon") == 0) {
					protoc = &config->carbon_config;
					config->carbon_config.initialized = true;
				} else if (strcmp(strval, "statsd") == 0) {
					protoc = &config->statsd_config;
					config->statsd_config.initialized = true;
				} else {
					stats_error_log("unexpectedly got map value: \"%s\"", strval);
					goto parse_err;
				}
				break;
			case 2:
				if (is_key) {
					if (strcmp(strval, "bind") == 0) {
						update_bind = true;
					} else if (strcmp(strval, "max_send_queue") == 0) {
						update_send_queue = true;
					} else if (strcmp(strval, "shard_map") == 0) {
						shard_count = -1;
						expect_shard_map = true;
					} else if (strcmp(strval, "validate") == 0) {
						update_validate = true;
					} else if (strcmp(strval, "tcp_cork") == 0) {
						update_tcp_cork = true;
					} else if (strcmp(strval, "always_resolve_dns") == 0) {
						always_resolve_dns = true;
					}
				} else {
					if (update_bind) {
						free(protoc->bind);
						protoc->bind = strdup(strval);
						update_bind = false;
					} else if (update_send_queue) {
						if (!convert_number(strval, &numval)) {
							stats_error_log("max_send_queue was not a number: %s", strval);
						}
						protoc->max_send_queue = numval;
						update_send_queue = false;
					} else if (update_validate) {
						if (!set_boolean(strval, &protoc->enable_validation)) {
							goto parse_err;
						}
						update_validate = false;
					} else if (update_tcp_cork) {
						if (!set_boolean(strval, &protoc->enable_tcp_cork)) {
							goto parse_err;
						}
						update_tcp_cork = false;
					} else if (always_resolve_dns) {
						if (!set_boolean(strval, &protoc->always_resolve_dns)) {
							goto parse_err;
						}
					}
				}
				break;
			case 3:
				if (!expect_shard_map) {
					stats_error_log("was not expecting shard map");
					goto parse_err;
				} else if (is_key) {
					if (!convert_number(strval, &numval)) {
						stats_error_log("shard key was not a number: \"%s\"", strval);
						goto parse_err;

					}
					shard_count++;
					if (numval != shard_count) {
						stats_error_log("expected to see shard key %d, instead saw %d",
							  shard_count, numval);
						goto parse_err;
					}
				} else {
					if (statsrelay_list_expand(protoc->ring) == NULL) {
						stats_error_log("unable to expand list");
						goto parse_err;
					}
					if ((protoc->ring->data[protoc->ring->size - 1]  = strdup(strval)) == NULL) {
						stats_error_log("failed to copy string");
						goto parse_err;
					}
				}
			}
			is_key = !is_key;
			break;
		default:
			stats_error_log("unhandled yaml event");
			goto parse_err;
		}
		yaml_event_delete(&event);
	}

	yaml_parser_delete(&parser);
	return config;

parse_err:
	destroy_config(config);
	yaml_event_delete(&event);
	yaml_parser_delete(&parser);
	return NULL;
}
Esempio n. 23
0
int
main(int argc, char *argv[])
{
    int help = 0;
    int canonical = 0;
    int unicode = 0;
    int k;
    int done = 0;

    yaml_parser_t parser;
    yaml_emitter_t emitter;
    yaml_event_t input_event;
    yaml_document_t output_document;

    int root;

    /* Clear the objects. */

    memset(&parser, 0, sizeof(parser));
    memset(&emitter, 0, sizeof(emitter));
    memset(&input_event, 0, sizeof(input_event));
    memset(&output_document, 0, sizeof(output_document));

    /* Analyze command line options. */

    for (k = 1; k < argc; k ++)
    {
        if (strcmp(argv[k], "-h") == 0
                || strcmp(argv[k], "--help") == 0) {
            help = 1;
        }

        else if (strcmp(argv[k], "-c") == 0
                || strcmp(argv[k], "--canonical") == 0) {
            canonical = 1;
        }

        else if (strcmp(argv[k], "-u") == 0
                || strcmp(argv[k], "--unicode") == 0) {
            unicode = 1;
        }

        else {
            fprintf(stderr, "Unrecognized option: %s\n"
                    "Try `%s --help` for more information.\n",
                    argv[k], argv[0]);
            return 1;
        }
    }

    /* Display the help string. */

    if (help)
    {
        printf("%s <input\n"
                "or\n%s -h | --help\nDeconstruct a YAML stream\n\nOptions:\n"
                "-h, --help\t\tdisplay this help and exit\n"
                "-c, --canonical\t\toutput in the canonical YAML format\n"
                "-u, --unicode\t\toutput unescaped non-ASCII characters\n",
                argv[0], argv[0]);
        return 0;
    }

    /* Initialize the parser and emitter objects. */

    if (!yaml_parser_initialize(&parser)) {
        fprintf(stderr, "Could not initialize the parser object\n");
        return 1;
    }

    if (!yaml_emitter_initialize(&emitter)) {
        yaml_parser_delete(&parser);
        fprintf(stderr, "Could not inialize the emitter object\n");
        return 1;
    }

    /* Set the parser parameters. */

    yaml_parser_set_input_file(&parser, stdin);

    /* Set the emitter parameters. */

    yaml_emitter_set_output_file(&emitter, stdout);

    yaml_emitter_set_canonical(&emitter, canonical);
    yaml_emitter_set_unicode(&emitter, unicode);

    /* Create and emit the STREAM-START event. */

    if (!yaml_emitter_open(&emitter))
        goto emitter_error;

    /* Create a output_document object. */

    if (!yaml_document_initialize(&output_document, NULL, NULL, NULL, 0, 0))
        goto document_error;

    /* Create the root sequence. */

    root = yaml_document_add_sequence(&output_document, NULL,
            YAML_BLOCK_SEQUENCE_STYLE);
    if (!root) goto document_error;

    /* Loop through the input events. */

    while (!done)
    {
        int properties, key, value, map, seq;

        /* Get the next event. */

        if (!yaml_parser_parse(&parser, &input_event))
            goto parser_error;

        /* Check if this is the stream end. */

        if (input_event.type == YAML_STREAM_END_EVENT) {
            done = 1;
        }

        /* Create a mapping node and attach it to the root sequence. */

        properties = yaml_document_add_mapping(&output_document, NULL,
                YAML_BLOCK_MAPPING_STYLE);
        if (!properties) goto document_error;
        if (!yaml_document_append_sequence_item(&output_document,
                    root, properties)) goto document_error;

        /* Analyze the event. */

        switch (input_event.type)
        {
            case YAML_STREAM_START_EVENT:

                /* Add 'type': 'STREAM-START'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "STREAM-START", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'encoding': <encoding>. */

                if (input_event.data.stream_start.encoding)
                {
                    yaml_encoding_t encoding
                        = input_event.data.stream_start.encoding;

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "encoding", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            (encoding == YAML_UTF8_ENCODING ? "utf-8" :
                             encoding == YAML_UTF16LE_ENCODING ? "utf-16-le" :
                             encoding == YAML_UTF16BE_ENCODING ? "utf-16-be" :
                             "unknown"), -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }
                    
                break;

            case YAML_STREAM_END_EVENT:

                /* Add 'type': 'STREAM-END'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "STREAM-END", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            case YAML_DOCUMENT_START_EVENT:

                /* Add 'type': 'DOCUMENT-START'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "DOCUMENT-START", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Display the output_document version numbers. */

                if (input_event.data.document_start.version_directive)
                {
                    yaml_version_directive_t *version
                        = input_event.data.document_start.version_directive;
                    char number[64];

                    /* Add 'version': {}. */
                    
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "version", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    map = yaml_document_add_mapping(&output_document, NULL,
                            YAML_FLOW_MAPPING_STYLE);
                    if (!map) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, map)) goto document_error;

                    /* Add 'major': <number>. */

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "major", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    sprintf(number, "%d", version->major);
                    value = yaml_document_add_scalar(&output_document, YAML_INT_TAG,
                        number, -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                map, key, value)) goto document_error;

                    /* Add 'minor': <number>. */

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "minor", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    sprintf(number, "%d", version->minor);
                    value = yaml_document_add_scalar(&output_document, YAML_INT_TAG,
                        number, -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                map, key, value)) goto document_error;
                }

                /* Display the output_document tag directives. */

                if (input_event.data.document_start.tag_directives.start
                        != input_event.data.document_start.tag_directives.end)
                {
                    yaml_tag_directive_t *tag;

                    /* Add 'tags': []. */
                    
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "tags", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    seq = yaml_document_add_sequence(&output_document, NULL,
                            YAML_BLOCK_SEQUENCE_STYLE);
                    if (!seq) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, seq)) goto document_error;

                    for (tag = input_event.data.document_start.tag_directives.start;
                            tag != input_event.data.document_start.tag_directives.end;
                            tag ++)
                    {
                        /* Add {}. */

                        map = yaml_document_add_mapping(&output_document, NULL,
                                YAML_FLOW_MAPPING_STYLE);
                        if (!map) goto document_error;
                        if (!yaml_document_append_sequence_item(&output_document,
                                    seq, map)) goto document_error;

                        /* Add 'handle': <handle>. */

                        key = yaml_document_add_scalar(&output_document, NULL,
                            "handle", -1, YAML_PLAIN_SCALAR_STYLE);
                        if (!key) goto document_error;
                        value = yaml_document_add_scalar(&output_document, NULL,
                            tag->handle, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                        if (!value) goto document_error;
                        if (!yaml_document_append_mapping_pair(&output_document,
                                    map, key, value)) goto document_error;

                        /* Add 'prefix': <prefix>. */

                        key = yaml_document_add_scalar(&output_document, NULL,
                            "prefix", -1, YAML_PLAIN_SCALAR_STYLE);
                        if (!key) goto document_error;
                        value = yaml_document_add_scalar(&output_document, NULL,
                            tag->prefix, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                        if (!value) goto document_error;
                        if (!yaml_document_append_mapping_pair(&output_document,
                                    map, key, value)) goto document_error;
                    }
                }

                /* Add 'implicit': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "implicit", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.document_start.implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            case YAML_DOCUMENT_END_EVENT:

                /* Add 'type': 'DOCUMENT-END'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "DOCUMENT-END", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'implicit': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "implicit", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.document_end.implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            case YAML_ALIAS_EVENT:

                /* Add 'type': 'ALIAS'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "ALIAS", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'anchor': <anchor>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "anchor", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                        input_event.data.alias.anchor, -1,
                        YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            case YAML_SCALAR_EVENT:

                /* Add 'type': 'SCALAR'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "SCALAR", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'anchor': <anchor>. */

                if (input_event.data.scalar.anchor)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "anchor", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.scalar.anchor, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'tag': <tag>. */

                if (input_event.data.scalar.tag)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "tag", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.scalar.tag, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'value': <value>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "value", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                        input_event.data.scalar.value,
                        input_event.data.scalar.length,
                        YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Display if the scalar tag is implicit. */

                /* Add 'implicit': {} */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "version", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                map = yaml_document_add_mapping(&output_document, NULL,
                        YAML_FLOW_MAPPING_STYLE);
                if (!map) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, map)) goto document_error;

                /* Add 'plain': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "plain", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.scalar.plain_implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            map, key, value)) goto document_error;

                /* Add 'quoted': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "quoted", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.scalar.quoted_implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            map, key, value)) goto document_error;

                /* Display the style information. */

                if (input_event.data.scalar.style)
                {
                    yaml_scalar_style_t style = input_event.data.scalar.style;

                    /* Add 'style': <style>. */

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "style", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            (style == YAML_PLAIN_SCALAR_STYLE ? "plain" :
                             style == YAML_SINGLE_QUOTED_SCALAR_STYLE ?
                                    "single-quoted" :
                             style == YAML_DOUBLE_QUOTED_SCALAR_STYLE ?
                                    "double-quoted" :
                             style == YAML_LITERAL_SCALAR_STYLE ? "literal" :
                             style == YAML_FOLDED_SCALAR_STYLE ? "folded" :
                             "unknown"), -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                break;

            case YAML_SEQUENCE_START_EVENT:

                /* Add 'type': 'SEQUENCE-START'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "SEQUENCE-START", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'anchor': <anchor>. */

                if (input_event.data.sequence_start.anchor)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "anchor", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.sequence_start.anchor, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'tag': <tag>. */

                if (input_event.data.sequence_start.tag)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "tag", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.sequence_start.tag, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'implicit': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "implicit", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.sequence_start.implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Display the style information. */

                if (input_event.data.sequence_start.style)
                {
                    yaml_sequence_style_t style
                        = input_event.data.sequence_start.style;

                    /* Add 'style': <style>. */

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "style", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            (style == YAML_BLOCK_SEQUENCE_STYLE ? "block" :
                             style == YAML_FLOW_SEQUENCE_STYLE ? "flow" :
                             "unknown"), -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                break;

            case YAML_SEQUENCE_END_EVENT:

                /* Add 'type': 'SEQUENCE-END'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "SEQUENCE-END", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            case YAML_MAPPING_START_EVENT:

                /* Add 'type': 'MAPPING-START'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "MAPPING-START", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Add 'anchor': <anchor>. */

                if (input_event.data.mapping_start.anchor)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "anchor", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.mapping_start.anchor, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'tag': <tag>. */

                if (input_event.data.mapping_start.tag)
                {
                    key = yaml_document_add_scalar(&output_document, NULL,
                        "tag", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            input_event.data.mapping_start.tag, -1,
                            YAML_DOUBLE_QUOTED_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                /* Add 'implicit': <flag>. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "implicit", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG,
                        (input_event.data.mapping_start.implicit ?
                         "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                /* Display the style information. */

                if (input_event.data.sequence_start.style)
                {
                    yaml_sequence_style_t style
                        = input_event.data.mapping_start.style;

                    /* Add 'style': <style>. */

                    key = yaml_document_add_scalar(&output_document, NULL,
                        "style", -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!key) goto document_error;
                    value = yaml_document_add_scalar(&output_document, NULL,
                            (style == YAML_BLOCK_MAPPING_STYLE ? "block" :
                             style == YAML_FLOW_MAPPING_STYLE ? "flow" :
                             "unknown"), -1, YAML_PLAIN_SCALAR_STYLE);
                    if (!value) goto document_error;
                    if (!yaml_document_append_mapping_pair(&output_document,
                                properties, key, value)) goto document_error;
                }

                break;

            case YAML_MAPPING_END_EVENT:

                /* Add 'type': 'MAPPING-END'. */

                key = yaml_document_add_scalar(&output_document, NULL,
                    "type", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!key) goto document_error;
                value = yaml_document_add_scalar(&output_document, NULL,
                    "MAPPING-END", -1, YAML_PLAIN_SCALAR_STYLE);
                if (!value) goto document_error;
                if (!yaml_document_append_mapping_pair(&output_document,
                            properties, key, value)) goto document_error;

                break;

            default:
                /* It couldn't really happen. */
                break;
        }

        /* Delete the event object. */

        yaml_event_delete(&input_event);
    }

    if (!yaml_emitter_dump(&emitter, &output_document))
        goto emitter_error;
    if (!yaml_emitter_close(&emitter))
        goto emitter_error;

    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 0;

parser_error:

    /* Display a parser error message. */

    switch (parser.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for parsing\n");
            break;

        case YAML_READER_ERROR:
            if (parser.problem_value != -1) {
                fprintf(stderr, "Reader error: %s: #%X at %zd\n", parser.problem,
                        parser.problem_value, parser.problem_offset);
            }
            else {
                fprintf(stderr, "Reader error: %s at %zd\n", parser.problem,
                        parser.problem_offset);
            }
            break;

        case YAML_SCANNER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Scanner error: %s at line %lu, column %lu\n"
                        "%s at line %lu, column %lu\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Scanner error: %s at line %lu, column %lu\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        case YAML_PARSER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Parser error: %s at line %lu, column %lu\n"
                        "%s at line %lu, column %lu\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Parser error: %s at line %lu, column %lu\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_event_delete(&input_event);
    yaml_document_delete(&output_document);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;

emitter_error:

    /* Display an emitter error message. */

    switch (emitter.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for emitting\n");
            break;

        case YAML_WRITER_ERROR:
            fprintf(stderr, "Writer error: %s\n", emitter.problem);
            break;

        case YAML_EMITTER_ERROR:
            fprintf(stderr, "Emitter error: %s\n", emitter.problem);
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_event_delete(&input_event);
    yaml_document_delete(&output_document);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;

document_error:

    fprintf(stderr, "Memory error: Not enough memory for creating a document\n");

    yaml_event_delete(&input_event);
    yaml_document_delete(&output_document);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;
}
Esempio n. 24
0
bool _load_drop_config_from_yaml_file(char *path, entity_t *entity) {
    yaml_parser_t parser;
    yaml_event_t  event;
    FILE *input;
    char *currentKey = NULL;
    drop_t *drop_data = (drop_t *)entity->entity_data;
    
    yaml_parser_initialize(&parser);
    
    input = fopen(path, "rb");
    if (input == NULL) {
        goto error;
    }
    
    yaml_parser_set_input_file(&parser, input);
    
    do {
        int handledValue = 0;
        
        if (!yaml_parser_parse(&parser, &event)) {
            break;
        }
        
        switch (event.type) {
            case YAML_SCALAR_EVENT:
                if (!currentKey) {
                    char *aKey = (char *)event.data.scalar.value;
                    int length = (strlen(aKey) + 1);
                    
                    currentKey = malloc(length * sizeof(char));
                    strncpy(currentKey, aKey, length);
                    currentKey[length - 1] = '\0';
                }
                else {
                    if (strcmp(currentKey, "name") == 0) {
                        snprintf(entity->class_name, ENTITY_CLASS_NAME_LENGTH, "drop:%s", event.data.scalar.value);
                    }
                    else if (strcmp(currentKey, "sprite") == 0) {
                        char *spriteFile = (char *)event.data.scalar.value;
                        drop_data->sprite = animated_sprite_create(spriteFile);
                        animated_sprite_set_current_animation(drop_data->sprite, "idle");
                    }
                    else if (strcmp(currentKey, "target") == 0) {
                        drop_data->target = atoi((char *)event.data.scalar.value);
                    }
                    else if (strcmp(currentKey, "bounding_box") == 0) {
                        int x, y, width, height;
                        
                        sscanf((char *)event.data.scalar.value, "%i,%i,%i,%i", &x, &y, &width, &height);
                        entity->bounding_box = graphics_rect_make(x, y, width, height);
                    }
                    
                    handledValue = 1;
                }
                
                break;
            default:
                break;
        }
        
        if (handledValue) {
            free(currentKey);
            currentKey = NULL;
            
            handledValue = 0;
        }
        
        if (event.type != YAML_STREAM_END_EVENT) {
            yaml_event_delete(&event);
        }
    } while (event.type != YAML_STREAM_END_EVENT);
    
    yaml_event_delete(&event);
    
    yaml_parser_delete(&parser);
    
    fclose(input);
    
    return true;
    
error:
    yaml_event_delete(&event);
    yaml_parser_delete(&parser);
    fclose(input);
    
    return false;
}
Esempio n. 25
0
int
main(int argc, char *argv[])
{
    int help = 0;
    int canonical = 0;
    int unicode = 0;
    int k;
    int done = 0;

    yaml_parser_t parser;
    yaml_emitter_t emitter;
    yaml_event_t input_event;
    yaml_event_t output_event;

    /* Clear the objects. */

    memset(&parser, 0, sizeof(parser));
    memset(&emitter, 0, sizeof(emitter));
    memset(&input_event, 0, sizeof(input_event));
    memset(&output_event, 0, sizeof(output_event));

    /* Analyze command line options. */

    for (k = 1; k < argc; k ++)
    {
        if (strcmp(argv[k], "-h") == 0
                || strcmp(argv[k], "--help") == 0) {
            help = 1;
        }

        else if (strcmp(argv[k], "-c") == 0
                || strcmp(argv[k], "--canonical") == 0) {
            canonical = 1;
        }

        else if (strcmp(argv[k], "-u") == 0
                || strcmp(argv[k], "--unicode") == 0) {
            unicode = 1;
        }

        else {
            fprintf(stderr, "Unrecognized option: %s\n"
                    "Try `%s --help` for more information.\n",
                    argv[k], argv[0]);
            return 1;
        }
    }

    /* Display the help string. */

    if (help)
    {
        printf("%s <input\n"
                "or\n%s -h | --help\nDeconstruct a YAML stream\n\nOptions:\n"
                "-h, --help\t\tdisplay this help and exit\n"
                "-c, --canonical\t\toutput in the canonical YAML format\n"
                "-u, --unicode\t\toutput unescaped non-ASCII characters\n",
                argv[0], argv[0]);
        return 0;
    }

    /* Initialize the parser and emitter objects. */

    if (!yaml_parser_initialize(&parser)) {
        fprintf(stderr, "Could not initialize the parser object\n");
        return 1;
    }

    if (!yaml_emitter_initialize(&emitter)) {
        yaml_parser_delete(&parser);
        fprintf(stderr, "Could not inialize the emitter object\n");
        return 1;
    }

    /* Set the parser parameters. */

    yaml_parser_set_input_file(&parser, stdin);

    /* Set the emitter parameters. */

    yaml_emitter_set_output_file(&emitter, stdout);

    yaml_emitter_set_canonical(&emitter, canonical);
    yaml_emitter_set_unicode(&emitter, unicode);

    /* Create and emit the STREAM-START event. */

    if (!yaml_stream_start_event_initialize(&output_event, YAML_UTF8_ENCODING))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    /* Create and emit the DOCUMENT-START event. */

    if (!yaml_document_start_event_initialize(&output_event,
                NULL, NULL, NULL, 0))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    /* Create and emit the SEQUENCE-START event. */

    if (!yaml_sequence_start_event_initialize(&output_event,
                NULL, "tag:yaml.org,2002:seq", 1,
                YAML_BLOCK_SEQUENCE_STYLE))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    /* Loop through the input events. */

    while (!done)
    {
        /* Get the next event. */

        if (!yaml_parser_parse(&parser, &input_event))
            goto parser_error;

        /* Check if this is the stream end. */

        if (input_event.type == YAML_STREAM_END_EVENT) {
            done = 1;
        }

        /* Create and emit a MAPPING-START event. */

        if (!yaml_mapping_start_event_initialize(&output_event,
                    NULL, "tag:yaml.org,2002:map", 1,
                    YAML_BLOCK_MAPPING_STYLE))
            goto event_error;
        if (!yaml_emitter_emit(&emitter, &output_event))
            goto emitter_error;

        /* Analyze the event. */

        switch (input_event.type)
        {
            case YAML_STREAM_START_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'STREAM-START'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "STREAM-START", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display encoding information. */

                if (input_event.data.stream_start.encoding)
                {
                    yaml_encoding_t encoding
                        = input_event.data.stream_start.encoding;

                    /* Write 'encoding'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "encoding", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the stream encoding. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                (encoding == YAML_UTF8_ENCODING ? "utf-8" :
                                 encoding == YAML_UTF16LE_ENCODING ? "utf-16-le" :
                                 encoding == YAML_UTF16BE_ENCODING ? "utf-16-be" :
                                 "unknown"), -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                break;

            case YAML_STREAM_END_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'STREAM-END'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "STREAM-END", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            case YAML_DOCUMENT_START_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'DOCUMENT-START'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "DOCUMENT-START", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the document version numbers. */

                if (input_event.data.document_start.version_directive)
                {
                    yaml_version_directive_t *version
                        = input_event.data.document_start.version_directive;
                    char number[64];

                    /* Write 'version'. */
                    
                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "version", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write '{'. */

                    if (!yaml_mapping_start_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:map", 1,
                                YAML_FLOW_MAPPING_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write 'major'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "major", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write a number. */

                    sprintf(number, "%d", version->major);
                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:int", number, -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write 'minor'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "minor", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write a number. */

                    sprintf(number, "%d", version->minor);
                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:int", number, -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write '}'. */

                    if (!yaml_mapping_end_event_initialize(&output_event))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Display the document tag directives. */

                if (input_event.data.document_start.tag_directives.start
                        != input_event.data.document_start.tag_directives.end)
                {
                    yaml_tag_directive_t *tag;

                    /* Write 'tags'. */
                    
                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "tags", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Start a block sequence. */

                    if (!yaml_sequence_start_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:seq", 1,
                                YAML_BLOCK_SEQUENCE_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    for (tag = input_event.data.document_start.tag_directives.start;
                            tag != input_event.data.document_start.tag_directives.end;
                            tag ++)
                    {
                        /* Write '{'. */

                        if (!yaml_mapping_start_event_initialize(&output_event,
                                    NULL, "tag:yaml.org,2002:map", 1,
                                    YAML_FLOW_MAPPING_STYLE))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;

                        /* Write 'handle'. */

                        if (!yaml_scalar_event_initialize(&output_event,
                                    NULL, "tag:yaml.org,2002:str", "handle", -1,
                                    1, 1, YAML_PLAIN_SCALAR_STYLE))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;

                        /* Write the tag directive handle. */

                        if (!yaml_scalar_event_initialize(&output_event,
                                    NULL, "tag:yaml.org,2002:str",
                                    tag->handle, -1,
                                    0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;

                        /* Write 'prefix'. */

                        if (!yaml_scalar_event_initialize(&output_event,
                                    NULL, "tag:yaml.org,2002:str", "prefix", -1,
                                    1, 1, YAML_PLAIN_SCALAR_STYLE))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;

                        /* Write the tag directive prefix. */

                        if (!yaml_scalar_event_initialize(&output_event,
                                    NULL, "tag:yaml.org,2002:str",
                                    tag->prefix, -1,
                                    0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;

                        /* Write '}'. */

                        if (!yaml_mapping_end_event_initialize(&output_event))
                            goto event_error;
                        if (!yaml_emitter_emit(&emitter, &output_event))
                            goto emitter_error;
                    }

                    /* End a block sequence. */

                    if (!yaml_sequence_end_event_initialize(&output_event))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Write 'implicit'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "implicit", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the document is implicit. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.document_start.implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            case YAML_DOCUMENT_END_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'DOCUMENT-END'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "DOCUMENT-END", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'implicit'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "implicit", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the document is implicit. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.document_end.implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            case YAML_ALIAS_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'ALIAS'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "ALIAS", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'anchor'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "anchor", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write the alias anchor. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str",
                            input_event.data.alias.anchor, -1,
                            0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            case YAML_SCALAR_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'SCALAR'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "SCALAR", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the scalar anchor. */

                if (input_event.data.scalar.anchor)
                {
                    /* Write 'anchor'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "anchor", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the scalar anchor. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.scalar.anchor, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Display the scalar tag. */

                if (input_event.data.scalar.tag)
                {
                    /* Write 'tag'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "tag", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the scalar tag. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.scalar.tag, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Display the scalar value. */

                /* Write 'value'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "value", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write the scalar value. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str",
                            input_event.data.scalar.value,
                            input_event.data.scalar.length,
                            0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display if the scalar tag is implicit. */

                /* Write 'implicit'. */
                
                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "implicit", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write '{'. */

                if (!yaml_mapping_start_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:map", 1,
                            YAML_FLOW_MAPPING_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'plain'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "plain", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the scalar is implicit in the plain style. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.scalar.plain_implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'quoted'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "non-plain", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the scalar is implicit in a non-plain style. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.scalar.quoted_implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write '}'. */

                if (!yaml_mapping_end_event_initialize(&output_event))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the style information. */

                if (input_event.data.scalar.style)
                {
                    yaml_scalar_style_t style = input_event.data.scalar.style;

                    /* Write 'style'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "style", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the scalar style. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                (style == YAML_PLAIN_SCALAR_STYLE ? "plain" :
                                 style == YAML_SINGLE_QUOTED_SCALAR_STYLE ?
                                        "single-quoted" :
                                 style == YAML_DOUBLE_QUOTED_SCALAR_STYLE ?
                                        "double-quoted" :
                                 style == YAML_LITERAL_SCALAR_STYLE ? "literal" :
                                 style == YAML_FOLDED_SCALAR_STYLE ? "folded" :
                                 "unknown"), -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                break;

            case YAML_SEQUENCE_START_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'SEQUENCE-START'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "SEQUENCE-START", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the sequence anchor. */

                if (input_event.data.sequence_start.anchor)
                {
                    /* Write 'anchor'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "anchor", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the sequence anchor. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.sequence_start.anchor, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Display the sequence tag. */

                if (input_event.data.sequence_start.tag)
                {
                    /* Write 'tag'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "tag", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the sequence tag. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.sequence_start.tag, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Write 'implicit'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "implicit", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the sequence tag is implicit. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.sequence_start.implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the style information. */

                if (input_event.data.sequence_start.style)
                {
                    yaml_sequence_style_t style
                        = input_event.data.sequence_start.style;

                    /* Write 'style'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "style", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the scalar style. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                (style == YAML_BLOCK_SEQUENCE_STYLE ? "block" :
                                 style == YAML_FLOW_SEQUENCE_STYLE ? "flow" :
                                 "unknown"), -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                break;

            case YAML_SEQUENCE_END_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'SEQUENCE-END'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "SEQUENCE-END", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            case YAML_MAPPING_START_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'MAPPING-START'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "MAPPING-START", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the mapping anchor. */

                if (input_event.data.mapping_start.anchor)
                {
                    /* Write 'anchor'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "anchor", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the mapping anchor. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.mapping_start.anchor, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Display the mapping tag. */

                if (input_event.data.mapping_start.tag)
                {
                    /* Write 'tag'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "tag", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the mapping tag. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                input_event.data.mapping_start.tag, -1,
                                0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                /* Write 'implicit'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "implicit", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write if the mapping tag is implicit. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:bool",
                            (input_event.data.mapping_start.implicit ?
                             "true" : "false"), -1,
                            1, 0, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Display the style information. */

                if (input_event.data.mapping_start.style)
                {
                    yaml_mapping_style_t style
                        = input_event.data.mapping_start.style;

                    /* Write 'style'. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str", "style", -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;

                    /* Write the scalar style. */

                    if (!yaml_scalar_event_initialize(&output_event,
                                NULL, "tag:yaml.org,2002:str",
                                (style == YAML_BLOCK_MAPPING_STYLE ? "block" :
                                 style == YAML_FLOW_MAPPING_STYLE ? "flow" :
                                 "unknown"), -1,
                                1, 1, YAML_PLAIN_SCALAR_STYLE))
                        goto event_error;
                    if (!yaml_emitter_emit(&emitter, &output_event))
                        goto emitter_error;
                }

                break;

            case YAML_MAPPING_END_EVENT:

                /* Write 'type'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "type", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                /* Write 'MAPPING-END'. */

                if (!yaml_scalar_event_initialize(&output_event,
                            NULL, "tag:yaml.org,2002:str", "MAPPING-END", -1,
                            1, 1, YAML_PLAIN_SCALAR_STYLE))
                    goto event_error;
                if (!yaml_emitter_emit(&emitter, &output_event))
                    goto emitter_error;

                break;

            default:
                /* It couldn't really happen. */
                break;
        }

        /* Delete the event object. */

        yaml_event_delete(&input_event);

        /* Create and emit a MAPPING-END event. */

        if (!yaml_mapping_end_event_initialize(&output_event))
            goto event_error;
        if (!yaml_emitter_emit(&emitter, &output_event))
            goto emitter_error;
    }

    /* Create and emit the SEQUENCE-END event. */

    if (!yaml_sequence_end_event_initialize(&output_event))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    /* Create and emit the DOCUMENT-END event. */

    if (!yaml_document_end_event_initialize(&output_event, 0))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    /* Create and emit the STREAM-END event. */

    if (!yaml_stream_end_event_initialize(&output_event))
        goto event_error;
    if (!yaml_emitter_emit(&emitter, &output_event))
        goto emitter_error;

    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 0;

parser_error:

    /* Display a parser error message. */

    switch (parser.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for parsing\n");
            break;

        case YAML_READER_ERROR:
            if (parser.problem_value != -1) {
                fprintf(stderr, "Reader error: %s: #%X at %d\n", parser.problem,
                        parser.problem_value, parser.problem_offset);
            }
            else {
                fprintf(stderr, "Reader error: %s at %d\n", parser.problem,
                        parser.problem_offset);
            }
            break;

        case YAML_SCANNER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Scanner error: %s at line %d, column %d\n"
                        "%s at line %d, column %d\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Scanner error: %s at line %d, column %d\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        case YAML_PARSER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Parser error: %s at line %d, column %d\n"
                        "%s at line %d, column %d\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Parser error: %s at line %d, column %d\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_event_delete(&input_event);
    yaml_event_delete(&output_event);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;

emitter_error:

    /* Display an emitter error message. */

    switch (emitter.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for emitting\n");
            break;

        case YAML_WRITER_ERROR:
            fprintf(stderr, "Writer error: %s\n", emitter.problem);
            break;

        case YAML_EMITTER_ERROR:
            fprintf(stderr, "Emitter error: %s\n", emitter.problem);
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_event_delete(&input_event);
    yaml_event_delete(&output_event);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;

event_error:

    fprintf(stderr, "Memory error: Not enough memory for creating an event\n");

    yaml_event_delete(&input_event);
    yaml_event_delete(&output_event);
    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;
}
Esempio n. 26
0
int
stage1_parse(struct streamstate* stp, FILE* file, int verbose)
{
    int rc = 0;
    int done  = 0;
    int error = 0;

    rc = yaml_parser_initialize(&stp->parser);
	if (! rc) 
		return error_parser_initialize_failed(stp);

    yaml_parser_set_input_file(&stp->parser, file);

    while (!done) 
    {
        rc = yaml_parser_parse(&stp->parser, &stp->event);
        if (!rc) 
		{
			error = error_parser_parse_failed(stp);
			break;
		}

		if (verbose)
			debug_event_type(&stp->event);

        rc = 0;
        switch (stp->event.type) 
        {
            case YAML_STREAM_START_EVENT:
				if (stp->stream_start)
					rc = error_invalid_stream_start(stp);
				else
					stp->stream_start = 1;
                break;

            case YAML_DOCUMENT_START_EVENT:
				if (stp->document_start)
					rc = error_invalid_document_start(stp);
				else
					stp->document_start = 1;
                break;

            case YAML_MAPPING_START_EVENT:
				if (! stp->stream_start)
					rc = error_stream_not_started(stp, "mapping_start_event");
				else if (! stp->document_start)
					rc = error_document_not_started(stp, "mapping_start_event");
				else
					rc = handle_mapping_start(stp);
                break;


            case YAML_MAPPING_END_EVENT:
				if (! stp->stream_start)
					rc = error_stream_not_started(stp, "mapping_end_event");
				else if (! stp->document_start)
					rc = error_document_not_started(stp, "mapping_end_event");
				else if (stp->curmap == NULL) 
					rc = error_no_current_mapping(stp, "mapping_end_event");
				else
					rc = handle_mapping_end(stp);
                break;

            case YAML_SCALAR_EVENT:
				if (! stp->stream_start)
					rc = error_stream_not_started(stp, "scalar_event");
				else if (! stp->document_start)
					rc = error_document_not_started(stp, "scalar_event");
				else if (stp->curmap == NULL) 
					rc = error_no_current_mapping(stp, "scalar_event");
				else
					rc = handle_scalar(stp);
                break;

            case YAML_DOCUMENT_END_EVENT:
				if (! stp->stream_start)
					rc = error_stream_not_started(stp, "document_end_event");
				else if (! stp->document_start)
					rc = error_document_not_started(stp, "document_end_event");
				else
					stp->document_start = 0;
                break;

            case YAML_STREAM_END_EVENT:
				if (! stp->stream_start)
					rc = error_stream_not_started(stp, "stream_end_event");
				else
				{
					stp->stream_start = 0;
					done = 1;
				}
                break;
            default:
                rc = unexpected_event(stp);
                break;
        }

        yaml_event_delete(&stp->event);
        if (rc) 
        {
            error = 1;
            break;
        }
    }

    yaml_parser_delete(&stp->parser);
    return error;
}
Esempio n. 27
0
/* this is where the magic happens */
static set* _cluster_keys(range_request* rr, apr_pool_t* pool,
                          const char* cluster, const char* cluster_file)
{
    apr_array_header_t* working_range;
    set* sections;
    char* section;
    char* cur_section;
    apr_pool_t* req_pool = range_request_pool(rr);
    yaml_node_t *node;
    yaml_node_t *rootnode;
    yaml_node_t *keynode;
    yaml_node_t *valuenode;
    yaml_parser_t parser;
    yaml_node_item_t *item;
    yaml_node_pair_t *pair;
    
    yaml_document_t document;
    
    FILE* fp = fopen(cluster_file, "r");

    /* make sure we can open the file and parse it */
    if (!fp) {
        range_request_warn(rr, "%s: %s not readable", cluster, cluster_file);
        return set_new(pool, 0);
    }

    if (!yaml_parser_initialize(&parser)) {
        range_request_warn(rr, "%s: cannot initialize yaml parser", cluster);
        fclose(fp);
        return set_new(pool, 0);
    }

    yaml_parser_set_input_file(&parser, fp);
    if(!yaml_parser_load(&parser, &document)) {
        range_request_warn(rr, "%s: malformatted cluster definition %s",
                           cluster, cluster_file);
        fclose(fp);
        yaml_parser_delete(&parser);
        return set_new(pool, 0);
    }
    fclose(fp);
    
    rootnode = yaml_document_get_root_node(&document);
    /* make sure it's just a simple dictionary */
    if(rootnode->type != YAML_MAPPING_NODE) {
        range_request_warn(rr, "%s: malformatted cluster definition %s",
                           cluster, cluster_file);
        yaml_document_delete(&document);
        yaml_parser_delete(&parser);
        return set_new(pool, 0);
    }

    /* "sections" refers to cluster sections - %cluster:SECTION
       it's what we're going to return */
    sections = set_new(pool, 0);
    section = cur_section = NULL;

    for(pair = rootnode->data.mapping.pairs.start;
        pair < rootnode->data.mapping.pairs.top;
        pair++) { /* these are the keys */
        keynode = yaml_document_get_node(&document, pair->key);
        /* cur_section is the keyname - the WHATEVER in %cluster:WHATEVER */
        cur_section = apr_pstrdup(pool, (char *)(keynode->data.scalar.value));
        valuenode = yaml_document_get_node(&document, pair->value);
        /* if the value is a scalar, that's our answer */
        if(valuenode->type == YAML_SCALAR_NODE) {
            set_add(sections, cur_section,
                    apr_psprintf(pool, "%s", valuenode->data.scalar.value));
        } else if (valuenode->type == YAML_SEQUENCE_NODE) {
            /* otherwise, glue together all the values in the list */
            working_range = apr_array_make(req_pool, 1, sizeof(char*));
            for(item = valuenode->data.sequence.items.start;
                item < valuenode->data.sequence.items.top;
                item++) {
                node = yaml_document_get_node(&document, (int)*item);
                if(node->type != YAML_SCALAR_NODE) { /* only scalars allowed */
                    range_request_warn(rr,
                                       "%s: malformed cluster definition %s",
                                       cluster, cluster_file);
                    yaml_document_delete(&document);
                    yaml_parser_delete(&parser);
                    return set_new(pool, 0);
                } else { /* add to the working set */
                    /* include it in () because we're going to comma it
                       together later */
                    *(char**)apr_array_push(working_range) =
                        apr_psprintf(pool, "(%s)", _substitute_dollars(pool,
                          cluster, node->data.scalar.value));
                }
            }
            /* glue the list items together with commas */
            set_add(sections, cur_section,
                    apr_array_pstrcat(pool, working_range, ','));
        }
    }

    /* Add a "KEYS" toplevel key that lists all the other keys */
    /* TODO: make an error if somebody tries to specify KEYS manually? */
    set_add(sections, "KEYS", _join_elements(pool, ',', sections));
    yaml_document_delete(&document);
    yaml_parser_delete(&parser);
    return sections;
}
Esempio n. 28
0
int
main(int argc, char *argv[])
{
    int number;
    int canonical = 0;
    int unicode = 0;

    number = 1;
    while (number < argc) {
        if (strcmp(argv[number], "-c") == 0) {
            canonical = 1;
        }
        else if (strcmp(argv[number], "-u") == 0) {
            unicode = 1;
        }
        else if (argv[number][0] == '-') {
            printf("Unknown option: '%s'\n", argv[number]);
            return 0;
        }
        if (argv[number][0] == '-') {
            if (number < argc-1) {
                memmove(argv+number, argv+number+1, (argc-number-1)*sizeof(char *));
            }
            argc --;
        }
        else {
            number ++;
        }
    }

    if (argc < 2) {
        printf("Usage: %s [-c] [-u] file1.yaml ...\n", argv[0]);
        return 0;
    }

    for (number = 1; number < argc; number ++)
    {
        FILE *file;
        yaml_parser_t parser;
        yaml_emitter_t emitter;

        yaml_document_t document;
        unsigned char buffer[BUFFER_SIZE];
        size_t written = 0;
        yaml_document_t documents[MAX_DOCUMENTS];
        size_t document_number = 0;
        int done = 0;
        int count = 0;
        int error = 0;
        int k;
        memset(buffer, 0, BUFFER_SIZE);
        memset(documents, 0, MAX_DOCUMENTS*sizeof(yaml_document_t));

        printf("[%d] Loading, dumping, and loading again '%s': ", number, argv[number]);
        fflush(stdout);

        file = fopen(argv[number], "rb");
        assert(file);

        assert(yaml_parser_initialize(&parser));
        yaml_parser_set_input_file(&parser, file);
        assert(yaml_emitter_initialize(&emitter));
        if (canonical) {
            yaml_emitter_set_canonical(&emitter, 1);
        }
        if (unicode) {
            yaml_emitter_set_unicode(&emitter, 1);
        }
        yaml_emitter_set_output_string(&emitter, buffer, BUFFER_SIZE, &written);
        yaml_emitter_open(&emitter);

        while (!done)
        {
            if (!yaml_parser_load(&parser, &document)) {
                error = 1;
                break;
            }

            done = (!yaml_document_get_root_node(&document));
            if (!done) {
                assert(document_number < MAX_DOCUMENTS);
                assert(copy_document(&(documents[document_number++]), &document));
                assert(yaml_emitter_dump(&emitter, &document) ||
                        (yaml_emitter_flush(&emitter) && print_output(argv[number], buffer, written, count)));
                count ++;
            }
            else {
                yaml_document_delete(&document);
            }
        }

        yaml_parser_delete(&parser);
        assert(!fclose(file));
        yaml_emitter_close(&emitter);
        yaml_emitter_delete(&emitter);

        if (!error)
        {
            count = done = 0;
            assert(yaml_parser_initialize(&parser));
            yaml_parser_set_input_string(&parser, buffer, written);

            while (!done)
            {
                assert(yaml_parser_load(&parser, &document) || print_output(argv[number], buffer, written, count));
                done = (!yaml_document_get_root_node(&document));
                if (!done) {
                    assert(compare_documents(documents+count, &document) || print_output(argv[number], buffer, written, count));
                    count ++;
                }
                yaml_document_delete(&document);
            }
            yaml_parser_delete(&parser);
        }

        for (k = 0; k < document_number; k ++) {
            yaml_document_delete(documents+k);
        }

        printf("PASSED (length: %d)\n", written);
        print_output(argv[number], buffer, written, -1);
    }

    return 0;
}
Esempio n. 29
0
int
main(int argc, char *argv[])
{
    int help = 0;
    int canonical = 0;
    int unicode = 0;
    int k;
    int done = 0;

    yaml_parser_t parser;
    yaml_emitter_t emitter;
    yaml_document_t document;

    /* Clear the objects. */

    memset(&parser, 0, sizeof(parser));
    memset(&emitter, 0, sizeof(emitter));
    memset(&document, 0, sizeof(document));

    /* Analyze command line options. */

    for (k = 1; k < argc; k ++)
    {
        if (strcmp(argv[k], "-h") == 0
                || strcmp(argv[k], "--help") == 0) {
            help = 1;
        }

        else if (strcmp(argv[k], "-c") == 0
                || strcmp(argv[k], "--canonical") == 0) {
            canonical = 1;
        }

        else if (strcmp(argv[k], "-u") == 0
                || strcmp(argv[k], "--unicode") == 0) {
            unicode = 1;
        }

        else {
            fprintf(stderr, "Unrecognized option: %s\n"
                    "Try `%s --help` for more information.\n",
                    argv[k], argv[0]);
            return 1;
        }
    }

    /* Display the help string. */

    if (help)
    {
        printf("%s [--canonical] [--unicode] <input >output\n"
                "or\n%s -h | --help\nReformat a YAML stream\n\nOptions:\n"
                "-h, --help\t\tdisplay this help and exit\n"
                "-c, --canonical\t\toutput in the canonical YAML format\n"
                "-u, --unicode\t\toutput unescaped non-ASCII characters\n",
                argv[0], argv[0]);
        return 0;
    }

    /* Initialize the parser and emitter objects. */

    if (!yaml_parser_initialize(&parser))
        goto parser_error;

    if (!yaml_emitter_initialize(&emitter))
        goto emitter_error;

    /* Set the parser parameters. */

    yaml_parser_set_input_file(&parser, stdin);

    /* Set the emitter parameters. */

    yaml_emitter_set_output_file(&emitter, stdout);

    yaml_emitter_set_canonical(&emitter, canonical);
    yaml_emitter_set_unicode(&emitter, unicode);

    /* The main loop. */

    while (!done)
    {
        /* Get the next event. */

        if (!yaml_parser_load(&parser, &document))
            goto parser_error;

        /* Check if this is the stream end. */

        if (!yaml_document_get_root_node(&document)) {
            done = 1;
        }

        /* Emit the event. */

        if (!yaml_emitter_dump(&emitter, &document))
            goto emitter_error;
    }

    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 0;

parser_error:

    /* Display a parser error message. */

    switch (parser.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for parsing\n");
            break;

        case YAML_READER_ERROR:
            if (parser.problem_value != -1) {
                fprintf(stderr, "Reader error: %s: #%X at %zd\n", parser.problem,
                        parser.problem_value, parser.problem_offset);
            }
            else {
                fprintf(stderr, "Reader error: %s at %lu\n", parser.problem,
                        parser.problem_offset);
            }
            break;

        case YAML_SCANNER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Scanner error: %s at line %lu, column %lu\n"
                        "%s at line %lu, column %lu\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Scanner error: %s at line %lu, column %lu\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        case YAML_PARSER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Parser error: %s at line %lu, column %lu\n"
                        "%s at line %lu, column %lu\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Parser error: %s at line %lu, column %lu\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        case YAML_COMPOSER_ERROR:
            if (parser.context) {
                fprintf(stderr, "Composer error: %s at line %lu, column %lu\n"
                        "%s at line %lu, column %lu\n", parser.context,
                        parser.context_mark.line+1, parser.context_mark.column+1,
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            else {
                fprintf(stderr, "Composer error: %s at line %lu, column %lu\n",
                        parser.problem, parser.problem_mark.line+1,
                        parser.problem_mark.column+1);
            }
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;

emitter_error:

    /* Display an emitter error message. */

    switch (emitter.error)
    {
        case YAML_MEMORY_ERROR:
            fprintf(stderr, "Memory error: Not enough memory for emitting\n");
            break;

        case YAML_WRITER_ERROR:
            fprintf(stderr, "Writer error: %s\n", emitter.problem);
            break;

        case YAML_EMITTER_ERROR:
            fprintf(stderr, "Emitter error: %s\n", emitter.problem);
            break;

        default:
            /* Couldn't happen. */
            fprintf(stderr, "Internal error\n");
            break;
    }

    yaml_parser_delete(&parser);
    yaml_emitter_delete(&emitter);

    return 1;
}
Esempio n. 30
0
void Load_All_AI(Player* players, const char* filename, int* ai_indices)
{
	// append path to front of filename.
	char newfilename[512];
	sprintf(newfilename, "%s%s",g_DataPath, filename);
	FILE* fp = fopen(newfilename, "r");
	if (!fp)
		SYS_Error("Error loading AI\n");

	// pre allocate the maximum number of characters
	character_type* ais = (character_type*)malloc(sizeof(character_type) * MAX_AIS);
	memset(ais, 0, sizeof(character_type) * MAX_AIS);

	// open the YAML file
	yaml_parser_t parser;
	yaml_parser_initialize(&parser);
	yaml_parser_set_input_file(&parser, fp);

	// NOTE: YAML file is expected to contain a sequence of maps.
	// One map per character.
	int done = 0;
	int ai_index = 0;
	char key[128];
	bool read_key = false;
	while (!done)
	{
		yaml_event_t event;

		// get the next event
		if (!yaml_parser_parse(&parser, &event))
		{
			SYS_Error("error parsing YAML file \"%s\"\n", newfilename);
			return;
		}

		// process the event
		switch (event.type)
		{
		case YAML_MAPPING_START_EVENT:
			read_key = true;
			break;

		case YAML_SCALAR_EVENT:
			if (read_key)
				strcpy(key, (char*)event.data.scalar.value);
			else
				Character_Set(&ais[ai_index], key, (char*)event.data.scalar.value);
			read_key = !read_key;
			break;

		case YAML_MAPPING_END_EVENT:
			assert(ai_index < MAX_AIS);  // too many ais in yaml file.
			ai_index++;
			break;

		case YAML_NO_EVENT:
		case YAML_STREAM_START_EVENT:
		case YAML_STREAM_END_EVENT:
		case YAML_DOCUMENT_START_EVENT:
		case YAML_DOCUMENT_END_EVENT:
		case YAML_ALIAS_EVENT:
		case YAML_SEQUENCE_START_EVENT:
		case YAML_SEQUENCE_END_EVENT:
		default:
			break;
		}

		done = (event.type == YAML_STREAM_END_EVENT);
		yaml_event_delete(&event);
	}

	yaml_parser_delete(&parser);

	// load each player's sound fx.
	for (int i = 0; i < 6; ++i)
	{
		character_type* c = &players[i].character;
		memcpy(c, &ais[ai_indices[i]], sizeof(character_type));
		for (int j = 0; j < NUMBER_CHARACTER_SOUNDS; ++j)
			c->samples[j] = SYS_LoadSound(c->sample_filenames[j]);
	}

	free(ais);
}