Heading auto identifier#175
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This imply scanning and transforming the heading text. As the heading text is transformed, we need to stor it somewhere. Instead of doing almost one malloc for each heading, allocate a large buffer and store all indentifier inside, and using index. We also remember the heading in the header Block to later retrieve it.
Do not hold pointer to reallocated memory. Realloc can copy to a new location and our pointers are now invalid. memorize the offset in the buffer instead, this remain valid even after reallochas relocated the buffer
the block line(s) is always trimed when build
like `ΑΓΩ` is changed to `αγω`
It works but need more work because - bad O(n²) algorithm to be replaced by a hash[Map|Set] - use snprintf for simple int_to_str implementation
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #175 +/- ##
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+ Coverage 94.32% 94.36% +0.04%
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Files 3 3
Lines 3100 3496 +396
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+ Hits 2924 3299 +375
- Misses 176 197 +21 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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ISUNICODEPUNCT_() use a codepoint not an offset. use ISPUNCT_()
some indentation cleaning
Use a pointer and a size instead of begining and ending index. We need a pointer because we want to store the heading identifier as destination, but the identifier is not part of the initial ctx->txt buffer. This is done like the `title` We also cascade change the `MD_LINK_ATTR` struct and supporting functions
so we can reuse it for heading
- depth for toc output - Increase the abi_version to 1 - add --table-of-content option to md2html - add --toc-depth=x to limit TOC levels
--table-of -content option has a parameter to set the mark --toc is a shorthand for the --table-of-content option wrong TOC depth is now an error
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This was referenced Mar 2, 2026
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This PR implement an extension when generating heading. This make possible to link directly to heading.
Github, Pandoc and other Markdown libs provide this feature.
Because this is an extension, there is a flag and a command line switch to enable it.
MD_FLAG_HEADINGAUTOIDand corresponding--fheading-auto-idare addedThis PR is a work in progress and the tasks remaining are:
identifier generation in HTML
identifier transformation like github
-ΑΓΩ->αγω-1identifier transformation like Pandoc
-_and., but do not add additional-for surrounding spaceΑΓΩ->αγω-1sectionadd a Table of Content
[[_TOC_]]like RedCarpet MarkdownAdd TOC option to the parser parameter struct for
md_parse()andmd_html()