blob: fa9b5c8d0fd619e90aa064f2210a96039fa6224c (
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- #include <stdlib.h>
- #include <assert.h>
- #include <stdio.h>
- #include "node.h"
- #include "references.h"
- #include "html/houdini.h"
- #include "cmark.h"
- #include "buffer.h"
- #include "ast.h"
- unsigned char *cmark_markdown_to_html(unsigned char *text, int len)
- {
- cmark_node *blocks;
- unsigned char *result;
- blocks = cmark_parse_document(text, len);
- result = cmark_render_html(blocks);
- cmark_free_nodes(blocks);
- return result;
- }
- // Utility function used by cmark_free_nodes
- static void splice_into_list(cmark_node* e, cmark_node* children) {
- cmark_node * tmp;
- if (children) {
- tmp = children;
- // Find last child
- while (tmp->next) {
- tmp = tmp->next;
- }
- // Splice children into list
- tmp->next = e->next;
- e->next = children;
- }
- return ;
- }
- unsigned char *cmark_clean_autolink(chunk *url, int is_email)
- {
- strbuf buf = GH_BUF_INIT;
- chunk_trim(url);
- if (url->len == 0)
- return NULL;
- if (is_email)
- strbuf_puts(&buf, "mailto:");
- houdini_unescape_html_f(&buf, url->data, url->len);
- return strbuf_detach(&buf);
- }
- // Free a cmark_node list and any children.
- void cmark_free_nodes(cmark_node *e)
- {
- cmark_node *next;
- while (e != NULL) {
- strbuf_free(&e->string_content);
- switch (e->type){
- case NODE_FENCED_CODE:
- strbuf_free(&e->as.code.info);
- break;
- case NODE_STRING:
- case NODE_INLINE_HTML:
- case NODE_INLINE_CODE:
- cmark_chunk_free(&e->as.literal);
- break;
- case NODE_LINK:
- case NODE_IMAGE:
- free(e->as.link.url);
- free(e->as.link.title);
- splice_into_list(e, e->as.link.label);
- break;
- default:
- break;
- }
- if (e->last_child) {
- // Splice children into list
- e->last_child->next = e->next;
- e->next = e->first_child;
- }
- next = e->next;
- free(e);
- e = next;
- }
- }
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