diff options
author | John MacFarlane <jgm@berkeley.edu> | 2015-01-24 21:35:03 -0800 |
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committer | John MacFarlane <jgm@berkeley.edu> | 2015-01-24 21:39:07 -0800 |
commit | 829b089c80895d9a78938c5bc7747aea1cd48eb6 (patch) | |
tree | 53bd534741a90c547c5d87039efa5ee625da8081 /src/html.c | |
parent | 5ef31853d5161d4b5a2dfc0df94e6eaaeb3215d0 (diff) |
Removed implementation-specific material from repository.
The C and JS implementations are being split off into
different repositories.
This repository will just have the spec itself.
Diffstat (limited to 'src/html.c')
-rw-r--r-- | src/html.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/src/html.c b/src/html.c deleted file mode 100644 index 8ccb495..0000000 --- a/src/html.c +++ /dev/null @@ -1,323 +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 "houdini.h" - -// Functions to convert cmark_nodes to HTML strings. - -static void escape_html(cmark_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(cmark_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(cmark_strbuf *html) -{ - if (html->size && html->ptr[html->size - 1] != '\n') - cmark_strbuf_putc(html, '\n'); -} - -struct render_state { - cmark_strbuf* html; - cmark_node *plain; -}; - -static void -S_render_sourcepos(cmark_node *node, cmark_strbuf *html, long options) -{ - if (CMARK_OPT_SOURCEPOS & options) { - cmark_strbuf_printf(html, " data-sourcepos=\"%d:%d-%d:%d\"", - cmark_node_get_start_line(node), - cmark_node_get_start_column(node), - cmark_node_get_end_line(node), - cmark_node_get_end_column(node)); - } -} - -static int -S_render_node(cmark_node *node, cmark_event_type ev_type, - struct render_state *state, long options) -{ - cmark_node *parent; - cmark_node *grandparent; - cmark_strbuf *html = state->html; - char start_header[] = "<h0"; - char end_header[] = "</h0"; - bool tight; - - bool entering = (ev_type == CMARK_EVENT_ENTER); - - if (state->plain == node) { // back at original node - state->plain = NULL; - } - - if (state->plain != NULL) { - switch(node->type) { - case CMARK_NODE_TEXT: - case CMARK_NODE_CODE: - case CMARK_NODE_INLINE_HTML: - escape_html(html, node->as.literal.data, - node->as.literal.len); - break; - - case CMARK_NODE_LINEBREAK: - case CMARK_NODE_SOFTBREAK: - cmark_strbuf_putc(html, ' '); - break; - - default: - break; - } - return 1; - } - - switch (node->type) { - case CMARK_NODE_DOCUMENT: - break; - - case CMARK_NODE_BLOCK_QUOTE: - if (entering) { - cr(html); - cmark_strbuf_puts(html, "<blockquote"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, ">\n"); - } else { - cr(html); - cmark_strbuf_puts(html, "</blockquote>\n"); - } - break; - - case CMARK_NODE_LIST: { - cmark_list_type list_type = node->as.list.list_type; - int start = node->as.list.start; - - if (entering) { - cr(html); - if (list_type == CMARK_BULLET_LIST) { - cmark_strbuf_puts(html, "<ul"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, ">\n"); - } else if (start == 1) { - cmark_strbuf_puts(html, "<ol"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, ">\n"); - } else { - cmark_strbuf_printf(html, - "<ol start=\"%d\"", - start); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, ">\n"); - } - } else { - cmark_strbuf_puts(html, - list_type == CMARK_BULLET_LIST ? - "</ul>\n" : "</ol>\n"); - } - break; - } - - case CMARK_NODE_ITEM: - if (entering) { - cr(html); - cmark_strbuf_puts(html, "<li"); - S_render_sourcepos(node, html, options); - cmark_strbuf_putc(html, '>'); - } else { - cmark_strbuf_puts(html, "</li>\n"); - } - break; - - case CMARK_NODE_HEADER: - if (entering) { - cr(html); - start_header[2] = '0' + node->as.header.level; - cmark_strbuf_puts(html, start_header); - S_render_sourcepos(node, html, options); - cmark_strbuf_putc(html, '>'); - } else { - end_header[3] = '0' + node->as.header.level; - cmark_strbuf_puts(html, end_header); - cmark_strbuf_puts(html, ">\n"); - } - break; - - case CMARK_NODE_CODE_BLOCK: - cr(html); - - if (!node->as.code.fenced || node->as.code.info.len == 0) { - cmark_strbuf_puts(html, "<pre"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, "><code>"); - } else { - int first_tag = 0; - while (first_tag < node->as.code.info.len && - node->as.code.info.data[first_tag] != ' ') { - first_tag += 1; - } - - cmark_strbuf_puts(html, "<pre"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, "><code class=\"language-"); - escape_html(html, node->as.code.info.data, first_tag); - cmark_strbuf_puts(html, "\">"); - } - - escape_html(html, node->as.code.literal.data, - node->as.code.literal.len); - cmark_strbuf_puts(html, "</code></pre>\n"); - break; - - case CMARK_NODE_HTML: - cr(html); - cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len); - break; - - case CMARK_NODE_HRULE: - cr(html); - cmark_strbuf_puts(html, "<hr"); - S_render_sourcepos(node, html, options); - cmark_strbuf_puts(html, " />\n"); - break; - - case CMARK_NODE_PARAGRAPH: - parent = cmark_node_parent(node); - grandparent = cmark_node_parent(parent); - if (grandparent != NULL && - grandparent->type == CMARK_NODE_LIST) { - tight = grandparent->as.list.tight; - } else { - tight = false; - } - if (!tight) { - if (entering) { - cr(html); - cmark_strbuf_puts(html, "<p"); - S_render_sourcepos(node, html, options); - cmark_strbuf_putc(html, '>'); - } else { - cmark_strbuf_puts(html, "</p>\n"); - } - } - break; - - case CMARK_NODE_TEXT: - escape_html(html, node->as.literal.data, - node->as.literal.len); - break; - - case CMARK_NODE_LINEBREAK: - cmark_strbuf_puts(html, "<br />\n"); - break; - - case CMARK_NODE_SOFTBREAK: - if (options & CMARK_OPT_HARDBREAKS) { - cmark_strbuf_puts(html, "<br />\n"); - } else { - cmark_strbuf_putc(html, '\n'); - } - break; - - case CMARK_NODE_CODE: - cmark_strbuf_puts(html, "<code>"); - escape_html(html, node->as.literal.data, node->as.literal.len); - cmark_strbuf_puts(html, "</code>"); - break; - - case CMARK_NODE_INLINE_HTML: - cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len); - break; - - case CMARK_NODE_STRONG: - if (entering) { - cmark_strbuf_puts(html, "<strong>"); - } else { - cmark_strbuf_puts(html, "</strong>"); - } - break; - - case CMARK_NODE_EMPH: - if (entering) { - cmark_strbuf_puts(html, "<em>"); - } else { - cmark_strbuf_puts(html, "</em>"); - } - break; - - case CMARK_NODE_LINK: - if (entering) { - cmark_strbuf_puts(html, "<a href=\""); - if (node->as.link.url) - escape_href(html, node->as.link.url, -1); - - if (node->as.link.title) { - cmark_strbuf_puts(html, "\" title=\""); - escape_html(html, node->as.link.title, -1); - } - - cmark_strbuf_puts(html, "\">"); - } else { - cmark_strbuf_puts(html, "</a>"); - } - break; - - case CMARK_NODE_IMAGE: - if (entering) { - cmark_strbuf_puts(html, "<img src=\""); - if (node->as.link.url) - escape_href(html, node->as.link.url, -1); - - cmark_strbuf_puts(html, "\" alt=\""); - state->plain = node; - } else { - if (node->as.link.title) { - cmark_strbuf_puts(html, "\" title=\""); - escape_html(html, node->as.link.title, -1); - } - - cmark_strbuf_puts(html, "\" />"); - } - break; - - default: - assert(false); - break; - } - - // cmark_strbuf_putc(html, 'x'); - return 1; -} - -char *cmark_render_html(cmark_node *root, long options) -{ - char *result; - cmark_strbuf html = GH_BUF_INIT; - cmark_event_type ev_type; - cmark_node *cur; - struct render_state state = { &html, NULL }; - cmark_iter *iter = cmark_iter_new(root); - - while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { - cur = cmark_iter_get_node(iter); - S_render_node(cur, ev_type, &state, options); - } - result = (char *)cmark_strbuf_detach(&html); - - cmark_iter_free(iter); - return result; -} |