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-rw-r--r--src/html/html.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/src/html/html.c b/src/html/html.c
deleted file mode 100644
index 0e3dd15..0000000
--- a/src/html/html.c
+++ /dev/null
@@ -1,357 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-#include "config.h"
-#include "cmark.h"
-#include "node.h"
-#include "buffer.h"
-#include "html/houdini.h"
-
-// Functions to convert cmark_nodes to HTML strings.
-
-static bool
-finish_node(strbuf *html, cmark_node *node, bool tight);
-
-static void escape_html(strbuf *dest, const unsigned char *source, int length)
-{
- if (length < 0)
- length = strlen((char *)source);
-
- houdini_escape_html0(dest, source, (size_t)length, 0);
-}
-
-static void escape_href(strbuf *dest, const unsigned char *source, int length)
-{
- if (length < 0)
- length = strlen((char *)source);
-
- houdini_escape_href(dest, source, (size_t)length);
-}
-
-static inline void cr(strbuf *html)
-{
- if (html->size && html->ptr[html->size - 1] != '\n')
- strbuf_putc(html, '\n');
-}
-
-// Convert the inline children of a node to a plain string.
-static void inlines_to_plain_html(strbuf *html, cmark_node* node)
-{
- cmark_node* cur = node->first_child;
-
- if (cur == NULL) {
- return;
- }
-
- while (true) {
- switch(cur->type) {
- case NODE_TEXT:
- case NODE_INLINE_CODE:
- case NODE_INLINE_HTML:
- escape_html(html, cur->as.literal.data, cur->as.literal.len);
- break;
-
- case NODE_LINEBREAK:
- case NODE_SOFTBREAK:
- strbuf_putc(html, ' ');
- break;
-
- default:
- break;
- }
-
- if (cur->first_child) {
- cur = cur->first_child;
- continue;
- }
-
- next_sibling:
- if (cur->next) {
- cur = cur->next;
- continue;
- }
- cur = cur->parent;
- if (cur == node) {
- break;
- }
- goto next_sibling;
- }
-}
-
-
-// Convert a cmark_node to HTML.
-static void node_to_html(strbuf *html, cmark_node *node)
-{
- cmark_node *cur;
- char start_header[] = "<h0>";
- bool tight = false;
- bool visit_children;
- strbuf *info;
-
- if (node == NULL) {
- return;
- }
-
- cur = node;
- while (true) {
- // Only NODE_IMAGE wants to skip its children.
- visit_children = true;
-
- switch(cur->type) {
- case NODE_DOCUMENT:
- break;
-
- case NODE_PARAGRAPH:
- if (!tight) {
- cr(html);
- strbuf_puts(html, "<p>");
- }
- break;
-
- case NODE_BLOCK_QUOTE:
- cr(html);
- strbuf_puts(html, "<blockquote>\n");
- // BLOCK_QUOTE doesn't use any of the 'as' structs,
- // so the 'list' member can be used to store the
- // current value of 'tight'.
- cur->as.list.tight = tight;
- tight = false;
- break;
-
- case NODE_LIST_ITEM:
- cr(html);
- strbuf_puts(html, "<li>");
- break;
-
- case NODE_LIST: {
- cmark_list *list = &cur->as.list;
- bool tmp;
-
- // make sure a list starts at the beginning of the line:
- cr(html);
-
- if (list->list_type == CMARK_BULLET_LIST) {
- strbuf_puts(html, "<ul>\n");
- }
- else if (list->start == 1) {
- strbuf_puts(html, "<ol>\n");
- }
- else {
- strbuf_printf(html, "<ol start=\"%d\">\n",
- list->start);
- }
-
- // Store the current value of 'tight' by swapping.
- tmp = list->tight;
- list->tight = tight;
- tight = tmp;
- break;
- }
-
- case NODE_HEADER:
- cr(html);
- start_header[2] = '0' + cur->as.header.level;
- strbuf_puts(html, start_header);
- break;
-
- case NODE_CODE_BLOCK:
- info = &cur->as.code.info;
- cr(html);
-
- if (&cur->as.code.fence_length == 0
- || strbuf_len(info) == 0) {
- strbuf_puts(html, "<pre><code>");
- }
- else {
- int first_tag = strbuf_strchr(info, ' ', 0);
- if (first_tag < 0)
- first_tag = strbuf_len(info);
-
- strbuf_puts(html,
- "<pre><code class=\"language-");
- escape_html(html, info->ptr, first_tag);
- strbuf_puts(html, "\">");
- }
-
- escape_html(html, cur->string_content.ptr, cur->string_content.size);
- break;
-
- case NODE_HTML:
- cr(html);
- strbuf_put(html, cur->string_content.ptr, cur->string_content.size);
- break;
-
- case NODE_HRULE:
- cr(html);
- strbuf_puts(html, "<hr />\n");
- break;
-
- case NODE_REFERENCE_DEF:
- break;
-
- case NODE_TEXT:
- escape_html(html, cur->as.literal.data, cur->as.literal.len);
- break;
-
- case NODE_LINEBREAK:
- strbuf_puts(html, "<br />\n");
- break;
-
- case NODE_SOFTBREAK:
- strbuf_putc(html, '\n');
- break;
-
- case NODE_INLINE_CODE:
- strbuf_puts(html, "<code>");
- escape_html(html, cur->as.literal.data, cur->as.literal.len);
- break;
-
- case NODE_INLINE_HTML:
- strbuf_put(html,
- cur->as.literal.data,
- cur->as.literal.len);
- break;
-
- case NODE_LINK:
- strbuf_puts(html, "<a href=\"");
- if (cur->as.link.url)
- escape_href(html, cur->as.link.url, -1);
-
- if (cur->as.link.title) {
- strbuf_puts(html, "\" title=\"");
- escape_html(html, cur->as.link.title, -1);
- }
-
- strbuf_puts(html, "\">");
- break;
-
- case NODE_IMAGE:
- strbuf_puts(html, "<img src=\"");
- if (cur->as.link.url)
- escape_href(html, cur->as.link.url, -1);
-
- strbuf_puts(html, "\" alt=\"");
- inlines_to_plain_html(html, cur);
-
- if (cur->as.link.title) {
- strbuf_puts(html, "\" title=\"");
- escape_html(html, cur->as.link.title, -1);
- }
-
- strbuf_puts(html, "\" />");
- visit_children = false;
- break;
-
- case NODE_STRONG:
- strbuf_puts(html, "<strong>");
- break;
-
- case NODE_EMPH:
- strbuf_puts(html, "<em>");
- break;
-
- default:
- assert(false);
- }
-
- if (visit_children && cur->first_child) {
- cur = cur->first_child;
- continue;
- }
-
- next_sibling:
- tight = finish_node(html, cur, tight);
- if (cur == node) {
- break;
- }
- if (cur->next) {
- cur = cur->next;
- continue;
- }
- cur = cur->parent;
- goto next_sibling;
- }
-}
-
-// Returns the restored value of 'tight'.
-static bool
-finish_node(strbuf *html, cmark_node *node, bool tight)
-{
- char end_header[] = "</h0>\n";
-
- switch (node->type) {
- case NODE_PARAGRAPH:
- if (!tight) {
- strbuf_puts(html, "</p>\n");
- }
- break;
-
- case NODE_BLOCK_QUOTE: {
- cmark_list *list = &node->as.list;
- strbuf_puts(html, "</blockquote>\n");
- // Restore old 'tight' value.
- tight = list->tight;
- list->tight = false;
- break;
- }
-
- case NODE_LIST_ITEM:
- strbuf_puts(html, "</li>\n");
- break;
-
- case NODE_LIST: {
- cmark_list *list = &node->as.list;
- bool tmp;
- strbuf_puts(html,
- list->list_type == CMARK_BULLET_LIST ?
- "</ul>\n" : "</ol>\n");
- // Restore old 'tight' value.
- tmp = tight;
- tight = list->tight;
- list->tight = tmp;
- break;
- }
-
- case NODE_HEADER:
- end_header[3] = '0' + node->as.header.level;
- strbuf_puts(html, end_header);
- break;
-
- case NODE_CODE_BLOCK:
- strbuf_puts(html, "</code></pre>\n");
- break;
-
- case NODE_INLINE_CODE:
- strbuf_puts(html, "</code>");
- break;
-
- case NODE_LINK:
- strbuf_puts(html, "</a>");
- break;
-
- case NODE_STRONG:
- strbuf_puts(html, "</strong>");
- break;
-
- case NODE_EMPH:
- strbuf_puts(html, "</em>");
- break;
-
- default:
- break;
- }
-
- return tight;
-}
-
-char *cmark_render_html(cmark_node *root)
-{
- char *result;
- strbuf html = GH_BUF_INIT;
- node_to_html(&html, root);
- result = (char *)strbuf_detach(&html);
- strbuf_free(&html);
- return result;
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-03-22 11:54:15 +0000