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Various fixes for source-position information #210

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Various fixes for source-position information #210

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0c17eb5
apply block offsets for autolink source position info
QuietMisdreavus Jan 27, 2021
b1110b8
don't let blocks get end lines before their start lines
QuietMisdreavus Jan 27, 2021
de9231d
properly set image/link sourcepos when spanning multiple lines
QuietMisdreavus Jan 27, 2021
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31 changes: 27 additions & 4 deletions api_test/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1004,13 +1004,19 @@ static void source_pos(test_batch_runner *runner) {
"> Sure.\n"
">\n"
"> 2. Yes, okay.\n"
"> ![ok](hi \"yes\")\n";
"> ![ok](hi \"yes\")\n"
"<!-- HTML Comment -->\n"
"\n"
"what happens if we spread a link [across multiple\n"
"lines][anchor]\n"
"\n"
"[anchor]: http://example.com\n";

cmark_node *doc = cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
char *xml = cmark_render_xml(doc, CMARK_OPT_DEFAULT | CMARK_OPT_SOURCEPOS);
STR_EQ(runner, xml, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n"
"<document sourcepos=\"1:1-10:20\" xmlns=\"http://commonmark.org/xml/1.0\">\n"
"<document sourcepos=\"1:1-16:28\" xmlns=\"http://commonmark.org/xml/1.0\">\n"
" <heading sourcepos=\"1:1-1:13\" level=\"1\">\n"
" <text sourcepos=\"1:3-1:5\" xml:space=\"preserve\">Hi </text>\n"
" <emph sourcepos=\"1:6-1:12\">\n"
Expand Down Expand Up @@ -1052,6 +1058,16 @@ static void source_pos(test_batch_runner *runner) {
" </item>\n"
" </list>\n"
" </block_quote>\n"
" <html_block sourcepos=\"11:1-11:21\" xml:space=\"preserve\">&lt;!-- HTML Comment --&gt;\n"
"</html_block>\n"
" <paragraph sourcepos=\"13:1-14:14\">\n"
" <text sourcepos=\"13:1-13:33\" xml:space=\"preserve\">what happens if we spread a link </text>\n"
" <link sourcepos=\"13:34-14:14\" destination=\"http://example.com\" title=\"\">\n"
" <text sourcepos=\"13:35-13:49\" xml:space=\"preserve\">across multiple</text>\n"
" <softbreak />\n"
" <text sourcepos=\"14:1-14:5\" xml:space=\"preserve\">lines</text>\n"
" </link>\n"
" </paragraph>\n"
"</document>\n",
"sourcepos are as expected");
free(xml);
Expand All @@ -1062,20 +1078,27 @@ static void source_pos_inlines(test_batch_runner *runner) {
{
static const char markdown[] =
"*first*\n"
"second\n";
"second\n"
"\n"
" <http://example.com>";

cmark_node *doc = cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
char *xml = cmark_render_xml(doc, CMARK_OPT_DEFAULT | CMARK_OPT_SOURCEPOS);
STR_EQ(runner, xml, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n"
"<document sourcepos=\"1:1-2:6\" xmlns=\"http://commonmark.org/xml/1.0\">\n"
"<document sourcepos=\"1:1-4:23\" xmlns=\"http://commonmark.org/xml/1.0\">\n"
" <paragraph sourcepos=\"1:1-2:6\">\n"
" <emph sourcepos=\"1:1-1:7\">\n"
" <text sourcepos=\"1:2-1:6\" xml:space=\"preserve\">first</text>\n"
" </emph>\n"
" <softbreak />\n"
" <text sourcepos=\"2:1-2:6\" xml:space=\"preserve\">second</text>\n"
" </paragraph>\n"
" <paragraph sourcepos=\"4:4-4:23\">\n"
" <link sourcepos=\"4:4-4:23\" destination=\"http://example.com\" title=\"\">\n"
" <text sourcepos=\"4:5-4:22\" xml:space=\"preserve\">http://example.com</text>\n"
" </link>\n"
" </paragraph>\n"
"</document>\n",
"sourcepos are as expected");
free(xml);
Expand Down
3 changes: 2 additions & 1 deletion src/blocks.c
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Original file line number Diff line number Diff line change
Expand Up @@ -289,7 +289,8 @@ static cmark_node *finalize(cmark_parser *parser, cmark_node *b) {
b->end_column = parser->last_line_length;
} else if (S_type(b) == CMARK_NODE_DOCUMENT ||
(S_type(b) == CMARK_NODE_CODE_BLOCK && b->as.code.fenced) ||
(S_type(b) == CMARK_NODE_HEADING && b->as.heading.setext)) {
(S_type(b) == CMARK_NODE_HEADING && b->as.heading.setext) ||
(parser->line_number - 1 < b->end_line)) {
b->end_line = parser->line_number;
b->end_column = parser->curline.size;
if (b->end_column && parser->curline.ptr[b->end_column - 1] == '\n')
Expand Down
7 changes: 4 additions & 3 deletions src/inlines.c
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Original file line number Diff line number Diff line change
Expand Up @@ -150,8 +150,8 @@ static CMARK_INLINE cmark_node *make_autolink(subject *subj,
link->as.link.url = cmark_clean_autolink(subj->mem, &url, is_email);
link->as.link.title = cmark_chunk_literal("");
link->start_line = link->end_line = subj->line;
link->start_column = start_column + 1;
link->end_column = end_column + 1;
link->start_column = start_column + 1 + subj->column_offset + subj->block_offset;
link->end_column = end_column + 1 + subj->column_offset + subj->block_offset;
cmark_node_append_child(link, make_str_with_entities(subj, start_column + 1, end_column - 1, &url));
return link;
}
Expand Down Expand Up @@ -1163,8 +1163,9 @@ static cmark_node *handle_close_bracket(cmark_parser *parser, subject *subj) {
inl = make_simple(subj->mem, is_image ? CMARK_NODE_IMAGE : CMARK_NODE_LINK);
inl->as.link.url = url;
inl->as.link.title = title;
inl->start_line = inl->end_line = subj->line;
inl->start_line = opener->inl_text->start_line;
inl->start_column = opener->inl_text->start_column;
inl->end_line = subj->line;
inl->end_column = subj->pos + subj->column_offset + subj->block_offset;
cmark_node_insert_before(opener->inl_text, inl);
// Add link text:
Expand Down