C++ (Cpp) jx_parse_stream Examples

Example #1

File: deltadb_query.c Project: Baguage/cctools

static int checkpoint_read( struct deltadb *db, const char *filename )
{
	FILE * file = fopen(filename,"r");
	if(!file) return 0;

	/* Load the entire checkpoint into one json object */
	struct jx *jcheckpoint = jx_parse_stream(file);

	fclose(file);

	if(!jcheckpoint || jcheckpoint->type!=JX_OBJECT) {
		jx_delete(jcheckpoint);
		return compat_checkpoint_read(db,filename);
	}

	/* For each key and value, move the value over to the hash table. */

	/* Skip objects that don't match the filter. */

	struct jx_pair *p;
	for(p=jcheckpoint->u.pairs;p;p=p->next) {
		if(p->key->type!=JX_STRING) continue;
		if(!deltadb_boolean_expr(db->filter_expr,p->value)) continue;
		hash_table_insert(db->table,p->key->u.string_value,p->value);
		p->value = 0;
	}

	/* Delete the leftover object with empty pairs. */

	jx_delete(jcheckpoint);

	return 1;
}

Example #2

File: jx_database.c Project: Baguage/cctools

static int checkpoint_read( struct jx_database *db, const char *filename )
{
	FILE * file = fopen(filename,"r");
	if(!file) return 0;

	/* Load the entire checkpoint into one json object */
	struct jx *jcheckpoint = jx_parse_stream(file);

	fclose(file);

	if(!jcheckpoint || jcheckpoint->type!=JX_OBJECT) {
		debug(D_NOTICE, "could not parse checkpoint file, falling back to compatibility mode");
		jx_delete(jcheckpoint);
		return compat_checkpoint_read(db,filename);
	}

	/* For each key and value, move the value over to the hash table. */

	struct jx_pair *p;
	for(p=jcheckpoint->u.pairs;p;p=p->next) {
		if(p->key->type!=JX_STRING) continue;
		hash_table_insert(db->table,p->key->u.string_value,p->value);
		p->value = 0;
	}

	/* Delete the leftover object with empty pairs. */

	jx_delete(jcheckpoint);

	return 1;
}

Example #3

File: jx_parse.c Project: xavierdingdev/cctools

struct jx * jx_parse_file( const char *name )
{
	FILE *file = fopen(name,"r");
	if(!file) return 0;
	struct jx *j = jx_parse_stream(file);
	fclose(file);
	return j;
}

Example #4

File: batch_job_amazon_batch.c Project: btovar/cctools

static struct jx* run_command(char* cmd){
	FILE* out = sh_popen(cmd);
	if(out == NULL){
		fatal("fast_popen returned a null FILE* pointer");
	}
	struct jx* jx = jx_parse_stream(out);
	if(jx == NULL){
		fatal("JX parse stream out returned a null jx object");
	}
	sh_pclose(out);
	return jx;
}

Example #5

File: rmsummary.c Project: NeilB879/cctools

/* Parse the stream for the next summary */
struct rmsummary *rmsummary_parse_next(FILE *stream)
{
	struct jx *j = jx_parse_stream(stream);

	if(!j)
		return NULL;

	struct rmsummary *s = json_to_rmsummary(j);

	jx_delete(j);
	return s;
}