Example #1
0
File: main.c Project: 4honor/jq
int main(int argc, char* argv[]) {
  jq_state *jq = NULL;
  int ret = 0;
  int compiled = 0;
  char *t = NULL;

  if (argc) progname = argv[0];

  if (argc > 1 && !strcmp(argv[1], "--run-tests")) {
    return jq_testsuite(argc, argv);
  }

  jq = jq_init();
  if (jq == NULL) {
    perror("malloc");
    ret = 2;
    goto out;
  }

  const char* program = 0;
  input_filenames = jv_mem_alloc(sizeof(const char*) * argc);
  ninput_files = 0;
  int further_args_are_files = 0;
  int jq_flags = 0;
  size_t short_opts = 0;
  jv program_arguments = jv_array();
  jv lib_search_paths = jv_array();
  for (int i=1; i<argc; i++, short_opts = 0) {
    if (further_args_are_files) {
      input_filenames[ninput_files++] = argv[i];
    } else if (!strcmp(argv[i], "--")) {
      if (!program) usage(2);
      further_args_are_files = 1;
    } else if (!isoptish(argv[i])) {
      if (program) {
        input_filenames[ninput_files++] = argv[i];
      } else {
        program = argv[i];
      }
    } else {
      if (argv[i][1] == 'L') {
        if (argv[i][2] != 0) { // -Lname (faster check than strlen)
            lib_search_paths = jv_array_append(lib_search_paths, jv_string(argv[i]+2));
        } else if (i >= argc - 1) {
          fprintf(stderr, "-L takes a parameter: (e.g. -L /search/path or -L/search/path)\n");
          die();
        } else {
          lib_search_paths = jv_array_append(lib_search_paths, jv_string(argv[i+1]));
          i++;
        }
        continue;
      }

      if (isoption(argv[i], 's', "slurp", &short_opts)) {
        options |= SLURP;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'r', "raw-output", &short_opts)) {
        options |= RAW_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'c', "compact-output", &short_opts)) {
        options |= COMPACT_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'C', "color-output", &short_opts)) {
        options |= COLOUR_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'M', "monochrome-output", &short_opts)) {
        options |= NO_COLOUR_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'a', "ascii-output", &short_opts)) {
        options |= ASCII_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "unbuffered", &short_opts)) {
        options |= UNBUFFERED_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'S', "sort-keys", &short_opts)) {
        options |= SORTED_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'R', "raw-input", &short_opts)) {
        options |= RAW_INPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'n', "null-input", &short_opts)) {
        options |= PROVIDE_NULL;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'f', "from-file", &short_opts)) {
        options |= FROM_FILE;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'j', "join-output", &short_opts)) {
        options |= RAW_OUTPUT | RAW_NO_LF;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'i', "in-place", &short_opts)) {
        options |= IN_PLACE;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'e', "exit-status", &short_opts)) {
        options |= EXIT_STATUS;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "arg", &short_opts)) {
        if (i >= argc - 2) {
          fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
          die();
        }
        jv arg = jv_object();
        arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
        arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
        program_arguments = jv_array_append(program_arguments, arg);
        i += 2; // skip the next two arguments
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "argfile", &short_opts)) {
        if (i >= argc - 2) {
          fprintf(stderr, "%s: --argfile takes two parameters (e.g. -a varname filename)\n", progname);
          die();
        }
        jv arg = jv_object();
        arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
        jv data = jv_load_file(argv[i+2], 0);
        if (!jv_is_valid(data)) {
          data = jv_invalid_get_msg(data);
          fprintf(stderr, "%s: Bad JSON in --argfile %s %s: %s\n", progname,
                  argv[i+1], argv[i+2], jv_string_value(data));
          jv_free(data);
          ret = 2;
          goto out;
        }
        if (jv_get_kind(data) == JV_KIND_ARRAY && jv_array_length(jv_copy(data)) == 1)
            data = jv_array_get(data, 0);
        arg = jv_object_set(arg, jv_string("value"), data);
        program_arguments = jv_array_append(program_arguments, arg);
        i += 2; // skip the next two arguments
        if (!short_opts) continue;
      }
      if (isoption(argv[i],  0,  "debug-dump-disasm", &short_opts)) {
        options |= DUMP_DISASM;
        if (!short_opts) continue;
      }
      if (isoption(argv[i],  0,  "debug-trace", &short_opts)) {
        jq_flags |= JQ_DEBUG_TRACE;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'h', "help", &short_opts)) {
        usage(0);
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'V', "version", &short_opts)) {
        printf("jq-%s\n", JQ_VERSION);
        ret = 0;
        goto out;
      }

      // check for unknown options... if this argument was a short option
      if (strlen(argv[i]) != short_opts + 1) {
        fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
        die();
      }
    }
  }

  char *penv = getenv("JQ_LIBRARY_PATH");
  if (penv) {
#ifdef WIN32
#define PATH_ENV_SEPARATOR ";"
#else
#define PATH_ENV_SEPARATOR ":"
#endif
    lib_search_paths = jv_array_concat(lib_search_paths,jv_string_split(jv_string(penv),jv_string(PATH_ENV_SEPARATOR)));
#undef PATH_ENV_SEPARATOR
  }
  jq_set_lib_dirs(jq,lib_search_paths);

  char *origin = strdup(argv[0]);
  if (origin == NULL) {
    fprintf(stderr, "Error: out of memory\n");
    exit(1);
  }
  jq_set_lib_origin(jq,jv_string(dirname(origin)));
  free(origin);

#if (!defined(WIN32) && defined(HAVE_ISATTY)) || defined(HAVE__ISATTY)

#if defined(HAVE__ISATTY) && defined(isatty)
#undef isatty
#define isatty _isatty
#endif

  if (!program && isatty(STDOUT_FILENO) && !isatty(STDIN_FILENO))
    program = ".";
#endif

  if (!program) usage(2);
  if ((options & IN_PLACE)) {
    if (ninput_files == 0) usage(2);
    if (strcmp(input_filenames[0], "-") == 0) usage(2);
    size_t tlen = strlen(input_filenames[0]) + 7;
    t = jv_mem_alloc(tlen);
    int n = snprintf(t, tlen,"%sXXXXXX", input_filenames[0]);
    assert(n > 0 && (size_t)n < tlen);
    if (mkstemp(t) == -1) {
      fprintf(stderr, "Error: %s creating temporary file", strerror(errno));
      exit(3);
    }
    if (freopen(t, "w", stdout) == NULL) {
      fprintf(stderr, "Error: %s redirecting stdout to temporary file", strerror(errno));
      exit(3);
    }
  }
  if (ninput_files == 0) current_input = stdin;

  if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
    fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", progname);
    die();
  }
  
  if (options & FROM_FILE) {
    jv data = jv_load_file(program, 1);
    if (!jv_is_valid(data)) {
      data = jv_invalid_get_msg(data);
      fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
      jv_free(data);
      ret = 2;
      goto out;
    }
    compiled = jq_compile_args(jq, jv_string_value(data), program_arguments);
    jv_free(data);
  } else {
    compiled = jq_compile_args(jq, program, program_arguments);
  }
  if (!compiled){
    ret = 3;
    goto out;
  }

  if (options & DUMP_DISASM) {
    jq_dump_disassembly(jq, 0);
    printf("\n");
  }

  if (options & PROVIDE_NULL) {
    ret = process(jq, jv_null(), jq_flags);
  } else {
    jv slurped;
    if (options & SLURP) {
      if (options & RAW_INPUT) {
        slurped = jv_string("");
      } else {
        slurped = jv_array();
      }
    }
    struct jv_parser* parser = jv_parser_new(0);
    char buf[4096];
    while (read_more(buf, sizeof(buf))) {
      if (options & RAW_INPUT) {
        int len = strlen(buf);
        if (len > 0) {
          if (options & SLURP) {
            slurped = jv_string_concat(slurped, jv_string(buf));
          } else {
            if (buf[len-1] == '\n') buf[len-1] = 0;
            ret = process(jq, jv_string(buf), jq_flags);
          }
        }
      } else {
        jv_parser_set_buf(parser, buf, strlen(buf), !feof(stdin));
        jv value;
        while (jv_is_valid((value = jv_parser_next(parser)))) {
          if (options & SLURP) {
            slurped = jv_array_append(slurped, value);
          } else {
            ret = process(jq, value, jq_flags);
          }
        }
        if (jv_invalid_has_msg(jv_copy(value))) {
          jv msg = jv_invalid_get_msg(value);
          fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
          jv_free(msg);
          ret = 4;
          break;
        } else {
          jv_free(value);
        }
      }
    }
    jv_parser_free(parser);
    if (ret != 0)
      goto out;
    if (options & SLURP) {
      ret = process(jq, slurped, jq_flags);
    }
  }
  if ((options & IN_PLACE)) {
#ifdef WIN32
    (void) freopen("NUL", "w+", stdout);
#else
    (void) freopen("/dev/null", "w+", stdout);
#endif
    if (rename(t, input_filenames[0]) == -1) {
      fprintf(stderr, "Error: %s renaming temporary file", strerror(errno));
      exit(3);
    }
    jv_mem_free(t);
  }
out:
  jv_mem_free(input_filenames);
  jq_teardown(&jq);
  if (ret >= 10 && (options & EXIT_STATUS))
    return ret - 10;
  if (ret >= 10)
    return 0;
  return ret;
}
Example #2
0
File: main.c Project: abetusk/jq
int main(int argc, char* argv[]) {
  jq_state *jq = NULL;
  int ret = 0;
  int compiled = 0;
  int parser_flags = 0;
  int nfiles = 0;
  int badwrite;
  jv program_arguments = jv_array();

#ifdef WIN32
  SetConsoleOutputCP(CP_UTF8);
  fflush(stdout);
  fflush(stderr);
  _setmode(fileno(stdout), _O_TEXT | _O_U8TEXT);
  _setmode(fileno(stderr), _O_TEXT | _O_U8TEXT);
  int wargc;
  wchar_t **wargv = CommandLineToArgvW(GetCommandLineW(), &wargc);
  assert(wargc == argc);
  size_t arg_sz;
  for (int i = 0; i < argc; i++) {
    argv[i] = alloca((arg_sz = WideCharToMultiByte(CP_UTF8,
                                                   0,
                                                   wargv[i],
                                                   -1, 0, 0, 0, 0)));
    WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, argv[i], arg_sz, 0, 0);
  }
#endif

  if (argc) progname = argv[0];

  jq = jq_init();
  if (jq == NULL) {
    perror("malloc");
    ret = 2;
    goto out;
  }

  int dumpopts = JV_PRINT_INDENT_FLAGS(2);
  const char* program = 0;

  jv_extra_opt extra_opt;
  extra_opt.array_fold=0;
  extra_opt.array_fold_indent=1;

  jq_util_input_state *input_state = jq_util_input_init(NULL, NULL); // XXX add err_cb

  int further_args_are_files = 0;
  int jq_flags = 0;
  size_t short_opts = 0;
  jv lib_search_paths = jv_null();
  for (int i=1; i<argc; i++, short_opts = 0) {
    if (further_args_are_files) {
      jq_util_input_add_input(input_state, argv[i]);
      nfiles++;
    } else if (!strcmp(argv[i], "--")) {
      if (!program) usage(2);
      further_args_are_files = 1;
    } else if (!isoptish(argv[i])) {
      if (program) {
        jq_util_input_add_input(input_state, argv[i]);
        nfiles++;
      } else {
        program = argv[i];
      }
    } else {
      if (argv[i][1] == 'L') {
        if (jv_get_kind(lib_search_paths) == JV_KIND_NULL)
          lib_search_paths = jv_array();
        if (argv[i][2] != 0) { // -Lname (faster check than strlen)
            lib_search_paths = jv_array_append(lib_search_paths, jq_realpath(jv_string(argv[i]+2)));
        } else if (i >= argc - 1) {
          fprintf(stderr, "-L takes a parameter: (e.g. -L /search/path or -L/search/path)\n");
          die();
        } else {
          lib_search_paths = jv_array_append(lib_search_paths, jq_realpath(jv_string(argv[i+1])));
          i++;
        }
        continue;
      }

      if (isoption(argv[i], 0, "fold", &short_opts)) {
        if (i >= argc - 1) {
          fprintf(stderr, "%s: --fold takes one parameter\n", progname);
          die();
        }
        extra_opt.array_fold = atoi(argv[i+1]);
        if (extra_opt.array_fold < 1 || extra_opt.array_fold > 255) {
          fprintf(stderr, "%s: --fold takes a number between 1 and 255\n", progname);
          die();
        }
        i++;
        if (!short_opts) continue;
      }


      if (isoption(argv[i], 's', "slurp", &short_opts)) {
        options |= SLURP;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'r', "raw-output", &short_opts)) {
        options |= RAW_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'c', "compact-output", &short_opts)) {
        dumpopts &= ~(JV_PRINT_TAB | JV_PRINT_INDENT_FLAGS(7));
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'C', "color-output", &short_opts)) {
        options |= COLOR_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'M', "monochrome-output", &short_opts)) {
        options |= NO_COLOR_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'a', "ascii-output", &short_opts)) {
        options |= ASCII_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "unbuffered", &short_opts)) {
        options |= UNBUFFERED_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'S', "sort-keys", &short_opts)) {
        options |= SORTED_OUTPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'R', "raw-input", &short_opts)) {
        options |= RAW_INPUT;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'n', "null-input", &short_opts)) {
        options |= PROVIDE_NULL;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'f', "from-file", &short_opts)) {
        options |= FROM_FILE;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'j', "join-output", &short_opts)) {
        options |= RAW_OUTPUT | RAW_NO_LF;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "tab", &short_opts)) {
        dumpopts &= ~JV_PRINT_INDENT_FLAGS(7);
        dumpopts |= JV_PRINT_TAB | JV_PRINT_PRETTY;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "indent", &short_opts)) {
        if (i >= argc - 1) {
          fprintf(stderr, "%s: --indent takes one parameter\n", progname);
          die();
        }
        dumpopts &= ~(JV_PRINT_TAB | JV_PRINT_INDENT_FLAGS(7));
        int indent = atoi(argv[i+1]);
        if (indent < -1 || indent > 7) {
          fprintf(stderr, "%s: --indent takes a number between -1 and 7\n", progname);
          die();
        }
        dumpopts |= JV_PRINT_INDENT_FLAGS(indent);
        i++;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "seq", &short_opts)) {
        options |= SEQ;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "stream", &short_opts)) {
        parser_flags |= JV_PARSE_STREAMING;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "stream-errors", &short_opts)) {
        parser_flags |= JV_PARSE_STREAM_ERRORS;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'e', "exit-status", &short_opts)) {
        options |= EXIT_STATUS;
        if (!short_opts) continue;
      }
      // FIXME: For --arg* we should check that the varname is acceptable
      if (isoption(argv[i], 0, "arg", &short_opts)) {
        if (i >= argc - 2) {
          fprintf(stderr, "%s: --arg takes two parameters (e.g. --arg varname value)\n", progname);
          die();
        }
        jv arg = jv_object();
        arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
        arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
        program_arguments = jv_array_append(program_arguments, arg);
        i += 2; // skip the next two arguments
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "argjson", &short_opts)) {
        if (i >= argc - 2) {
          fprintf(stderr, "%s: --argjson takes two parameters (e.g. --argjson varname text)\n", progname);
          die();
        }
        jv v = jv_parse(argv[i+2]);
        if (!jv_is_valid(v)) {
          fprintf(stderr, "%s: invalid JSON text passed to --argjson\n", progname);
          die();
        }
        jv arg = jv_object();
        arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
        arg = jv_object_set(arg, jv_string("value"), v);
        program_arguments = jv_array_append(program_arguments, arg);
        i += 2; // skip the next two arguments
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 0, "argfile", &short_opts) ||
          isoption(argv[i], 0, "slurpfile", &short_opts)) {
        const char *which;
        if (isoption(argv[i], 0, "argfile", &short_opts))
          which = "argfile";
        else
          which = "slurpfile";
        if (i >= argc - 2) {
          fprintf(stderr, "%s: --%s takes two parameters (e.g. --%s varname filename)\n", progname, which, which);
          die();
        }
        jv arg = jv_object();
        arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
        jv data = jv_load_file(argv[i+2], 0);
        if (!jv_is_valid(data)) {
          data = jv_invalid_get_msg(data);
          fprintf(stderr, "%s: Bad JSON in --%s %s %s: %s\n", progname, which,
                  argv[i+1], argv[i+2], jv_string_value(data));
          jv_free(data);
          jv_free(arg);
          ret = 2;
          goto out;
        }
        if (isoption(argv[i], 0, "argfile", &short_opts) &&
            jv_get_kind(data) == JV_KIND_ARRAY && jv_array_length(jv_copy(data)) == 1)
            data = jv_array_get(data, 0);
        arg = jv_object_set(arg, jv_string("value"), data);
        program_arguments = jv_array_append(program_arguments, arg);
        i += 2; // skip the next two arguments
        if (!short_opts) continue;
      }
      if (isoption(argv[i],  0,  "debug-dump-disasm", &short_opts)) {
        options |= DUMP_DISASM;
        if (!short_opts) continue;
      }
      if (isoption(argv[i],  0,  "debug-trace", &short_opts)) {
        jq_flags |= JQ_DEBUG_TRACE;
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'h', "help", &short_opts)) {
        usage(0);
        if (!short_opts) continue;
      }
      if (isoption(argv[i], 'V', "version", &short_opts)) {
        printf("jq-%s\n", JQ_VERSION);
        ret = 0;
        goto out;
      }
      if (isoption(argv[i], 0, "run-tests", &short_opts)) {
        i++;
        // XXX Pass program_arguments, even a whole jq_state *, through;
        // could be useful for testing
        ret = jq_testsuite(lib_search_paths,
                           (options & DUMP_DISASM) || (jq_flags & JQ_DEBUG_TRACE),
                           argc - i, argv + i);
        goto out;
      }

      // check for unknown options... if this argument was a short option
      if (strlen(argv[i]) != short_opts + 1) {
        fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
        die();
      }
    }
  }

  if (isatty(fileno(stdout))) {
    dumpopts |= JV_PRINT_ISATTY;
#ifndef WIN32
  /* Disable color by default on Windows builds as Windows
     terminals tend not to display it correctly */
    dumpopts |= JV_PRINT_COLOR;
#endif
  }
  if (options & SORTED_OUTPUT) dumpopts |= JV_PRINT_SORTED;
  if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
  if (options & COLOR_OUTPUT) dumpopts |= JV_PRINT_COLOR;
  if (options & NO_COLOR_OUTPUT) dumpopts &= ~JV_PRINT_COLOR;

  if (jv_get_kind(lib_search_paths) == JV_KIND_NULL) {
    // Default search path list
    lib_search_paths = JV_ARRAY(jv_string("~/.jq"),
                                jv_string("$ORIGIN/../lib/jq"),
                                jv_string("$ORIGIN/lib"));
  }
  jq_set_attr(jq, jv_string("JQ_LIBRARY_PATH"), lib_search_paths);

  char *origin = strdup(argv[0]);
  if (origin == NULL) {
    fprintf(stderr, "Error: out of memory\n");
    exit(1);
  }
  jq_set_attr(jq, jv_string("JQ_ORIGIN"), jv_string(dirname(origin)));
  free(origin);

  if (strchr(JQ_VERSION, '-') == NULL)
    jq_set_attr(jq, jv_string("VERSION_DIR"), jv_string(JQ_VERSION));
  else
    jq_set_attr(jq, jv_string("VERSION_DIR"), jv_string_fmt("%.*s-master", (int)(strchr(JQ_VERSION, '-') - JQ_VERSION), JQ_VERSION));

#if (!defined(WIN32) && defined(HAVE_ISATTY)) || defined(HAVE__ISATTY)

#if defined(HAVE__ISATTY) && defined(isatty)
#undef isatty
#define isatty _isatty
#endif

  if (!program && isatty(STDOUT_FILENO) && !isatty(STDIN_FILENO))
    program = ".";
#endif

  if (!program) usage(2);

  if (options & FROM_FILE) {
    char *program_origin = strdup(program);
    if (program_origin == NULL) {
      perror("malloc");
      exit(2);
    }

    jv data = jv_load_file(program, 1);
    if (!jv_is_valid(data)) {
      data = jv_invalid_get_msg(data);
      fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
      jv_free(data);
      ret = 2;
      goto out;
    }
    jq_set_attr(jq, jv_string("PROGRAM_ORIGIN"), jq_realpath(jv_string(dirname(program_origin))));
    compiled = jq_compile_args(jq, jv_string_value(data), jv_copy(program_arguments));
    free(program_origin);
    jv_free(data);
  } else {
    jq_set_attr(jq, jv_string("PROGRAM_ORIGIN"), jq_realpath(jv_string("."))); // XXX is this good?
    compiled = jq_compile_args(jq, program, jv_copy(program_arguments));
  }
  if (!compiled){
    ret = 3;
    goto out;
  }

  if (options & DUMP_DISASM) {
    jq_dump_disassembly(jq, 0);
    printf("\n");
  }

  if ((options & SEQ))
    parser_flags |= JV_PARSE_SEQ;

  if ((options & RAW_INPUT))
    jq_util_input_set_parser(input_state, NULL, (options & SLURP) ? 1 : 0);
  else
    jq_util_input_set_parser(input_state, jv_parser_new(parser_flags), (options & SLURP) ? 1 : 0);

  // Let jq program read from inputs
  jq_set_input_cb(jq, jq_util_input_next_input_cb, input_state);

  // Let jq program call `debug` builtin and have that go somewhere
  jq_set_debug_cb(jq, debug_cb, &dumpopts);

  if (nfiles == 0)
    jq_util_input_add_input(input_state, "-");

  if (options & PROVIDE_NULL) {

    if (extra_opt.array_fold==0) {
      ret = process(jq, jv_null(), jq_flags, dumpopts);
    } else {
      ret = process_extra_opt(jq, jv_null(), jq_flags, dumpopts, &extra_opt);
    }
  } else {
    jv value;
    while (jq_util_input_errors(input_state) == 0 &&
           (jv_is_valid((value = jq_util_input_next_input(input_state))) || jv_invalid_has_msg(jv_copy(value)))) {
      if (jv_is_valid(value)) {
        if (extra_opt.array_fold==0) {
          ret = process(jq, value, jq_flags, dumpopts);
        } else {
          ret = process_extra_opt(jq, value, jq_flags, dumpopts, &extra_opt);
        }
        continue;
      }

      // Parse error
      jv msg = jv_invalid_get_msg(value);
      if (!(options & SEQ)) {
        // --seq -> errors are not fatal
        ret = 4;
        fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
        jv_free(msg);
        break;
      }
      fprintf(stderr, "ignoring parse error: %s\n", jv_string_value(msg));
      jv_free(msg);
    }
  }

  if (jq_util_input_errors(input_state) != 0)
    ret = 2;

out:
  badwrite = ferror(stdout);
  if (fclose(stdout)!=0 || badwrite) {
    fprintf(stderr,"Error: writing output failed: %s\n", strerror(errno));
    ret = 2;
  }

  jv_free(program_arguments);
  jq_util_input_free(&input_state);
  jq_teardown(&jq);
  if (ret >= 10 && (options & EXIT_STATUS))
    return ret - 10;
  if (ret >= 10)
    return 0;
  return ret;
}
Example #3
0
int main(int argc, char* argv[]) {
  int ret = 0;
  if (argc) progname = argv[0];

  if (argc > 1 && !strcmp(argv[1], "--run-tests")) {
    return jq_testsuite(argc - 1, argv + 1);
  }

  const char* program = 0;
  input_filenames = jv_mem_alloc(sizeof(const char*) * argc);
  ninput_files = 0;
  int further_args_are_files = 0;
  int jq_flags = 0;
  jv program_arguments = jv_array();
  for (int i=1; i<argc; i++) {
    if (further_args_are_files) {
      input_filenames[ninput_files++] = argv[i];
    } else if (!strcmp(argv[i], "--")) {
      if (!program) usage();
      further_args_are_files = 1;
    } else if (!isoptish(argv[i])) {
      if (program) {
        input_filenames[ninput_files++] = argv[i];
      } else {
        program = argv[i];
      }
    } else if (isoption(argv[i], 's', "slurp")) {
      options |= SLURP;
    } else if (isoption(argv[i], 'r', "raw-output")) {
      options |= RAW_OUTPUT;
    } else if (isoption(argv[i], 'c', "compact-output")) {
      options |= COMPACT_OUTPUT;
    } else if (isoption(argv[i], 'C', "color-output")) {
      options |= COLOUR_OUTPUT;
    } else if (isoption(argv[i], 'M', "monochrome-output")) {
      options |= NO_COLOUR_OUTPUT;
    } else if (isoption(argv[i], 'a', "ascii-output")) {
      options |= ASCII_OUTPUT;
    } else if (isoption(argv[i], 'R', "raw-input")) {
      options |= RAW_INPUT;
    } else if (isoption(argv[i], 'n', "null-input")) {
      options |= PROVIDE_NULL;
    } else if (isoption(argv[i], 'f', "from-file")) {
      options |= FROM_FILE;
    } else if (isoption(argv[i], 0, "arg")) {
      if (i >= argc - 2) {
        fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
        die();
      }
      jv arg = jv_object();
      arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
      arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
      program_arguments = jv_array_append(program_arguments, arg);
      i += 2; // skip the next two arguments
    } else if (isoption(argv[i],  0,  "debug-dump-disasm")) {
      options |= DUMP_DISASM;
    } else if (isoption(argv[i],  0,  "debug-trace")) {
      jq_flags |= JQ_DEBUG_TRACE;
    } else if (isoption(argv[i], 'h', "help")) {
      usage();
    } else if (isoption(argv[i], 'V', "version")) {
      fprintf(stderr, "jq version %s\n", PACKAGE_VERSION);
      return 0;
    } else {
      fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
      die();
    }
  }
  if (!program) usage();
  if (ninput_files == 0) current_input = stdin;

  if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
    fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", progname);
    die();
  }
  
  if (options & FROM_FILE) {
    jv data = slurp_file(program);
    if (!jv_is_valid(data)) {
      data = jv_invalid_get_msg(data);
      fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
      jv_free(data);
      return 1;
    }
    bc = jq_compile_args(jv_string_value(data), program_arguments);
    jv_free(data);
  } else {
    bc = jq_compile_args(program, program_arguments);
  }
  if (!bc) return 1;

  if (options & DUMP_DISASM) {
    dump_disassembly(0, bc);
    printf("\n");
  }

  if (options & PROVIDE_NULL) {
    process(jv_null(), jq_flags);
  } else {
    jv slurped;
    if (options & SLURP) {
      if (options & RAW_INPUT) {
        slurped = jv_string("");
      } else {
        slurped = jv_array();
      }
    }
    struct jv_parser parser;
    jv_parser_init(&parser);
    char buf[4096];
    while (read_more(buf, sizeof(buf))) {
      if (options & RAW_INPUT) {
        int len = strlen(buf);
        if (len > 0) {
          if (options & SLURP) {
            slurped = jv_string_concat(slurped, jv_string(buf));
          } else {
            if (buf[len-1] == '\n') buf[len-1] = 0;
            process(jv_string(buf), jq_flags);
          }
        }
      } else {
        jv_parser_set_buf(&parser, buf, strlen(buf), !feof(stdin));
        jv value;
        while (jv_is_valid((value = jv_parser_next(&parser)))) {
          if (options & SLURP) {
            slurped = jv_array_append(slurped, value);
          } else {
            process(value, jq_flags);
          }
        }
        if (jv_invalid_has_msg(jv_copy(value))) {
          jv msg = jv_invalid_get_msg(value);
          fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
          jv_free(msg);
          ret = 1;
          break;
        } else {
          jv_free(value);
        }
      }
    }
    jv_parser_free(&parser);
    if (ret != 0)
      goto out;
    if (options & SLURP) {
      process(slurped, jq_flags);
    }
  }
out:
  jv_mem_free(input_filenames);
  bytecode_free(bc);
  return ret;
}
Example #4
0
int main(int argc, char* argv[]) {
  if (argc) progname = argv[0];

  const char* program = 0;
  for (int i=1; i<argc; i++) {
    if (!isoptish(argv[i])) {
      if (program) usage();
      program = argv[i];
    } else if (isoption(argv[i], 's', "slurp")) {
      options |= SLURP;
    } else if (isoption(argv[i], 'r', "raw-output")) {
      options |= RAW_OUTPUT;
    } else if (isoption(argv[i], 'c', "compact-output")) {
      options |= COMPACT_OUTPUT;
    } else if (isoption(argv[i], 'a', "ascii-output")) {
      options |= ASCII_OUTPUT;
    } else if (isoption(argv[i], 'R', "raw-input")) {
      options |= RAW_INPUT;
    } else if (isoption(argv[i], 'n', "null-input")) {
      options |= PROVIDE_NULL;
    } else if (isoption(argv[i], 'h', "help")) {
      usage();
    } else {
      fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
      die();
    }
  }
  if (!program) usage();

  if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
    fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", program);
    die();
  }

  bc = jq_compile(program);
  if (!bc) return 1;

#if JQ_DEBUG
  dump_disassembly(0, bc);
  printf("\n");
#endif

  if (options & PROVIDE_NULL) {
    process(jv_null());
  } else {
    jv slurped;
    if (options & SLURP) slurped = jv_invalid();
    int first = 1;
    struct jv_parser parser;
    jv_parser_init(&parser);
    while (!feof(stdin)) {
      char buf[4096];
      if (!fgets(buf, sizeof(buf), stdin)) buf[0] = 0;
      if (options & RAW_INPUT) {
        int len = strlen(buf);
        if (len > 0) {
          if (options & SLURP) {
            if (first) slurped = jv_string(buf);
            else slurped = jv_string_concat(slurped, jv_string(buf));
          } else {
            if (buf[len-1] == '\n') buf[len-1] = 0;
            process(jv_string(buf));
          }
        }
      } else {
        jv_parser_set_buf(&parser, buf, strlen(buf), !feof(stdin));
        jv value;
        while (jv_is_valid((value = jv_parser_next(&parser)))) {
          if (options & SLURP) {
            if (first) slurped = jv_array();
            slurped = jv_array_append(slurped, value);
          } else {
            process(value);
          }
        }
        if (jv_invalid_has_msg(jv_copy(value))) {
          jv msg = jv_invalid_get_msg(value);
          fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
          jv_free(msg);
          break;
        } else {
          jv_free(value);
        }
      }
      first = 0;
    }
    jv_parser_free(&parser);
    if (options & SLURP) {
      if (jv_is_valid(slurped)) {
        process(slurped);
      } else {
        jv_free(slurped);
      }
    }
  }

  bytecode_free(bc);
  return 0;
}
Example #5
0
File: main.c Project: phihag/jq
int main(int argc, char* argv[]) {
  jq_state *jq = NULL;
  int ret = 0;
  int compiled = 0;

  if (argc) progname = argv[0];

  if (argc > 1 && !strcmp(argv[1], "--run-tests")) {
    return jq_testsuite(argc, argv);
  }

  jq = jq_init();
  if (jq == NULL) {
    perror("malloc");
    ret = 1;
    goto out;
  }

  const char* program = 0;
  input_filenames = jv_mem_alloc(sizeof(const char*) * argc);
  ninput_files = 0;
  int further_args_are_files = 0;
  int jq_flags = 0;
  jv_parser_flags parser_flags = 0;
  jv program_arguments = jv_array();
  for (int i=1; i<argc; i++) {
    if (further_args_are_files) {
      input_filenames[ninput_files++] = argv[i];
    } else if (!strcmp(argv[i], "--")) {
      if (!program) usage();
      further_args_are_files = 1;
    } else if (!isoptish(argv[i])) {
      if (program) {
        input_filenames[ninput_files++] = argv[i];
      } else {
        program = argv[i];
      }
    } else if (isoption(argv[i], 's', "slurp")) {
      options |= SLURP;
    } else if (isoption(argv[i], 'r', "raw-output")) {
      options |= RAW_OUTPUT;
    } else if (isoption(argv[i], 'c', "compact-output")) {
      options |= COMPACT_OUTPUT;
    } else if (isoption(argv[i], 'C', "color-output")) {
      options |= COLOUR_OUTPUT;
    } else if (isoption(argv[i], 'M', "monochrome-output")) {
      options |= NO_COLOUR_OUTPUT;
    } else if (isoption(argv[i], 'a', "ascii-output")) {
      options |= ASCII_OUTPUT;
    } else if (isoption(argv[i], 0, "unbuffered")) {
      options |= UNBUFFERED_OUTPUT;
    } else if (isoption(argv[i], 'S', "sort-keys")) {
      options |= SORTED_OUTPUT;
    } else if (isoption(argv[i], 'R', "raw-input")) {
      options |= RAW_INPUT;
    } else if (isoption(argv[i], 'n', "null-input")) {
      options |= PROVIDE_NULL;
    } else if (isoption(argv[i], 'f', "from-file")) {
      options |= FROM_FILE;
    } else if (isoption(argv[i], 'e', "exit-status")) {
      options |= EXIT_STATUS;
    } else if (isoption(argv[i], 'I', "online-input")) {
      parser_flags = JV_PARSE_EXPLODE_TOPLEVEL_ARRAY;
    } else if (isoption(argv[i], 0, "arg")) {
      if (i >= argc - 2) {
        fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
        die();
      }
      jv arg = jv_object();
      arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
      arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
      program_arguments = jv_array_append(program_arguments, arg);
      i += 2; // skip the next two arguments
    } else if (isoption(argv[i], 0, "argfile")) {
      if (i >= argc - 2) {
        fprintf(stderr, "%s: --argfile takes two parameters (e.g. -a varname filename)\n", progname);
        die();
      }
      jv arg = jv_object();
      arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
      jv data = jv_load_file(argv[i+2], 0);
      if (!jv_is_valid(data)) {
        data = jv_invalid_get_msg(data);
        fprintf(stderr, "%s: Bad JSON in --argfile %s %s: %s\n", progname,
                argv[i+1], argv[i+2], jv_string_value(data));
        jv_free(data);
        ret = 1;
        goto out;
      }
      if (jv_get_kind(data) == JV_KIND_ARRAY && jv_array_length(jv_copy(data)) == 1)
          data = jv_array_get(data, 0);
      arg = jv_object_set(arg, jv_string("value"), data);
      program_arguments = jv_array_append(program_arguments, arg);
      i += 2; // skip the next two arguments
    } else if (isoption(argv[i],  0,  "debug-dump-disasm")) {
      options |= DUMP_DISASM;
    } else if (isoption(argv[i],  0,  "debug-trace")) {
      jq_flags |= JQ_DEBUG_TRACE;
    } else if (isoption(argv[i], 'h', "help")) {
      usage();
    } else if (isoption(argv[i], 'V', "version")) {
      printf("jq-%s\n", JQ_VERSION);
      ret = 0;
      goto out;
    } else {
      fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
      die();
    }
  }
  if (!program) usage();
  if (ninput_files == 0) current_input = stdin;

  if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
    fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", progname);
    die();
  }
  
  if (options & FROM_FILE) {
    jv data = jv_load_file(program, 1);
    if (!jv_is_valid(data)) {
      data = jv_invalid_get_msg(data);
      fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
      jv_free(data);
      ret = 1;
      goto out;
    }
    compiled = jq_compile_args(jq, jv_string_value(data), program_arguments);
    jv_free(data);
  } else {
    compiled = jq_compile_args(jq, program, program_arguments);
  }
  if (!compiled){
    ret = 1;
    goto out;
  }

  if (options & DUMP_DISASM) {
    jq_dump_disassembly(jq, 0);
    printf("\n");
  }

  if (options & PROVIDE_NULL) {
    ret = process(jq, jv_null(), jq_flags);
  } else {
    jv slurped;
    if (options & SLURP) {
      if (options & RAW_INPUT) {
        slurped = jv_string("");
      } else {
        slurped = jv_array();
      }
    }
    struct jv_parser* parser = jv_parser_new(parser_flags);
    char buf[4096];
    while (read_more(buf, sizeof(buf))) {
      if (options & RAW_INPUT) {
        int len = strlen(buf);
        if (len > 0) {
          if (options & SLURP) {
            slurped = jv_string_concat(slurped, jv_string(buf));
          } else {
            if (buf[len-1] == '\n') buf[len-1] = 0;
            ret = process(jq, jv_string(buf), jq_flags);
          }
        }
      } else {
        jv_parser_set_buf(parser, buf, strlen(buf), !feof(stdin));
        jv value;
        while (jv_is_valid((value = jv_parser_next(parser)))) {
          if (options & SLURP) {
            slurped = jv_array_append(slurped, value);
          } else {
            ret = process(jq, value, jq_flags);
          }
        }
        if (jv_invalid_has_msg(jv_copy(value))) {
          jv msg = jv_invalid_get_msg(value);
          fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
          jv_free(msg);
          ret = 1;
          break;
        } else {
          jv_free(value);
        }
      }
    }
    jv_parser_free(parser);
    if (ret != 0)
      goto out;
    if (options & SLURP) {
      ret = process(jq, slurped, jq_flags);
    }
  }
out:
  jv_mem_free(input_filenames);
  jq_teardown(&jq);
  if (ret >= 10 && ret <= 11 && !(options & EXIT_STATUS))
    return 0;
  return ret;
}