/* process_raw_blocks - traverses an element list, replacing any RAW elements with
* the result of parsing them as markdown text, and recursing into the children
* of parent elements. The result should be a tree of elements without any RAWs. */
static element * process_raw_blocks(element *input, int extensions, element *references, element *notes, element *labels) {
element *current = NULL;
element *last_child = NULL;
char *contents;
current = input;
while (current != NULL) {
if (current->key == RAW) {
/* \001 is used to indicate boundaries between nested lists when there
* is no blank line. We split the string by \001 and parse
* each chunk separately. */
contents = strtok(current->contents.str, "\001");
current->key = LIST;
current->children = parse_markdown(contents, extensions, references, notes, labels);
last_child = current->children;
while ((contents = strtok(NULL, "\001"))) {
while (last_child->next != NULL)
last_child = last_child->next;
last_child->next = parse_markdown(contents, extensions, references, notes, labels);
}
free(current->contents.str);
current->contents.str = NULL;
}
if (current->children != NULL)
current->children = process_raw_blocks(current->children, extensions, references, notes, labels);
current = current->next;
}
return input;
}
/* markdown_to_gstring - convert markdown text to the output format specified.
* Returns a GString, which must be freed after use using g_string_free(). */
GString * markdown_to_g_string(char *text, int extensions, int output_format) {
element *result;
element *references;
element *notes;
element *labels;
GString *formatted_text;
GString *out;
out = g_string_new("");
formatted_text = preformat_text(text);
if (output_format == OPML_FORMAT) {
result = parse_markdown_for_opml(formatted_text->str, extensions);
} else {
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_markdown_with_metadata(formatted_text->str, extensions, references, notes, labels);
result = process_raw_blocks(result, extensions, references, notes, labels);
}
g_string_free(formatted_text, TRUE);
print_element_list(out, result, output_format, extensions);
free_element_list(result);
if (output_format != OPML_FORMAT) {
free_element_list(references);
free_element_list(labels);
}
return out;
}
/* markdown_to_gstring - convert markdown text to the output format specified.
* Returns a GString, which must be freed after use using g_string_free(). */
GString * markdown_to_g_string(char *text, int extensions, int output_format) {
element *result;
element *references;
element *notes;
element *labels;
GString *formatted_text;
GString *out;
out = g_string_new("");
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);
if (output_format == OPML_FORMAT) {
result = parse_markdown_for_opml(formatted_text->str, extensions);
} else {
result = parse_markdown_with_metadata(formatted_text->str, extensions, references, notes, labels);
result = process_raw_blocks(result, extensions, references, notes, labels);
}
g_string_free(formatted_text, TRUE);
if (result == NULL) {
/* The parsing was aborted */
g_string_append(out,"MultiMarkdown was unable to parse this file.");
} else {
print_element_list(out, result, output_format, extensions);
}
free_element_list(result);
free_element_list(references);
free_element_list(labels);
return out;
}
/* markdown_to_gstring - convert markdown text to the output format specified.
* Returns a GString, which must be freed after use using g_string_free(). */
GString * markdown_to_g_string(const char *text, int extensions, int output_format) {
element *result;
element *references;
element *notes;
GString *formatted_text;
GString *out;
out = g_string_new("");
formatted_text = preformat_text(text);
references = parse_references(formatted_text->str, extensions);
notes = parse_notes(formatted_text->str, extensions, references);
result = parse_markdown(formatted_text->str, extensions, references, notes);
result = process_raw_blocks(result, extensions, references, notes);
g_string_free(formatted_text, TRUE);
print_element_list(out, result, output_format, extensions);
free_element_list(result);
free_element_list(references);
return out;
}