コード例 #1
0
/* has_metadata - parse document and report whether metadata is present */
gboolean has_metadata(char *text, int extensions) {
    gboolean hasMeta;
    element *result;
    element *references;
    element *notes;
    element *labels;
    GString *formatted_text;
    
    formatted_text = preformat_text(text);

    references = parse_references(formatted_text->str, extensions);
    notes = parse_notes(formatted_text->str, extensions, references);
    labels = parse_labels(formatted_text->str, extensions, references, notes);
    
    result = parse_metadata_only(formatted_text->str, extensions);

    hasMeta = FALSE;
    
    if (result != NULL) {
        if (result->children != NULL) {
            hasMeta = TRUE;
            free_element_list(result);
        } else {
            free_element(result);
        }
    }

    free_element_list(references);
    free_element_list(labels);
    return hasMeta;
}
コード例 #2
0
/* extract_metadata_value - parse document and return value of specified
   metadata key (e.g. "LateX Mode")/
   Returns a null-terminated string, which must be freed after use. */
char * extract_metadata_value(char *text, int extensions, char *key) {
    char *value;
    element *result;
    GString *formatted_text;

    formatted_text = preformat_text(text);
    
    result = parse_metadata_only(formatted_text->str, extensions);
    
    value = metavalue_for_key(key, result->children);
    free_element_list(result);
    return value;
}
コード例 #3
0
/* extract_metadata_value - parse document and return value of specified
   metadata key (e.g. "LateX Mode")/
   Returns a null-terminated string, which must be freed after use. */
char * extract_metadata_value(char *text, int extensions, char *key) {
    char *value;
    element *result;
    element *references;
    element *notes;
    element *labels;
    GString *formatted_text;

    formatted_text = preformat_text(text);

    references = parse_references(formatted_text->str, extensions);
    notes = parse_notes(formatted_text->str, extensions, references);
    labels = parse_labels(formatted_text->str, extensions, references, notes);

    result = parse_metadata_only(formatted_text->str, extensions);

    value = metavalue_for_key(key, result);
    free_element_list(result);
    free_element_list(references);
    free_element_list(labels);

    return value;
}