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2017-04-03Fixed code for freeing delimiter stack.John MacFarlane
Note, however, that this may not be needed at all: the old code would have gone into an infinite loop if the delimiter stack were not already freed. If we can prove that the delimiter stack is empty at this point, we could remove this; on the other hand, it may not hurt to keep it here defensively. Closes #189.
2017-01-08Update emphasis parsing for spec change.John MacFarlane
Strong now goes inside Emph rather than the reverse, when both scopes are possible. The code is much simpler. This also avoids a spec inconsistency that cmark had previously: `***hi***` became Strong (Emph "hi")) but `***hi****` became Emph (Strong "hi")) "*"
2017-01-05Automatic code reformatting.John MacFarlane
2017-01-05Added a test for NULL when freeing subj->last_delim.John MacFarlane
Noticed the need for this through fuzzing.
2017-01-05Cleaned up setting of lower bounds for openers.John MacFarlane
We now use a much smaller array.
2017-01-03Fixes #178, quadratic parsing bug.John MacFarlane
2017-01-03Slight improvement of clarity of logic in emph matching.John MacFarlane
2017-01-03Revert "More sourcepos! (#169)"John MacFarlane
This reverts commit 9e643720ec903f3b448bd2589a0c02c2514805ae.
2017-01-03Revert "Change types for source map offsets (#174)"John MacFarlane
This reverts commit 4fbe344df43ed7f60a3d3a53981088334cb709fc.
2017-01-03Fix "multiple of 3" determination in emph/strong parsing.John MacFarlane
We need to store the length of the original delimiter run, instead of using the length of the remaining delimiters after some have been subtracted. Test case: a***b* c* Thanks to Raph Levin for reporting.
2016-12-30Change types for source map offsets (#174)Nick Wellnhofer
* Improve strbuf guarantees Introduce BUFSIZE_MAX macro and make sure that the strbuf implementation can handle strings up to this size. * Abort early if document size exceeds internal limit * Change types for source map offsets Switch to size_t for the public API, making the public headers C89-compatible again. Switch to bufsize_t internally, reducing memory usage and improving performance on 32-bit platforms. * Make parser return NULL on internal index overflow Make S_parser_feed set an error and ignore subsequent chunks if the total input document size exceeds an internal limit. Make cmark_parser_finish return NULL if an error was encountered. Add public API functions to retrieve error code and error message. strbuf overflow in renderers and OOM in parser or renderers still cause an abort.
2016-12-20More sourcepos! (#169)Mathieu Duponchelle
* open_new_blocks: always create child before advancing offset * Source map * Extent's typology * In-depth python bindings
2016-12-01Allow balanced nested parens in link destinations (#166)Yuki Izumi
2016-11-26Allocate enough bytes for backticks array.John MacFarlane
2016-11-26Inlines: Ensure that the delimiter stack is freed in subject.John MacFarlane
2016-11-26Fixed pathological cases with backtick code spans:John MacFarlane
- Removed recursion in scan_to_closing_backticks - Added an array of pointers to potential backtick closers to subject - This array is used to avoid traversing the subject again when we've already seen all the potential backtick closers. - Added a max bound of 1000 for backtick code span delimiters. - This helps with pathological cases like: x x ` x `` x ``` x ```` ... Thanks to Martin Mitáš for identifying the problem and for discussion of solutions.
2016-10-30Modified print_delimiters (commented out) so it compiles again.John MacFarlane
2016-09-26Use cmark_mem to free where used to allocYuki Izumi
2016-09-15Allow a shortcut link before a (.John MacFarlane
See jgm/CommonMark#427
2016-06-24Reformatted.John MacFarlane
2016-06-24Removed redundant check.John MacFarlane
2016-06-24Changed `process_emphasis` to get better results in corner cases.John MacFarlane
This will need corresponding spec changes. The change is this: when considering matches between an interior delimiter run (one that can open and can close) and another delimiter run, we require that the sum of the lengths of the two delimiter runs mod 3 is not 0. Thus, for example, in *a**b* 1 23 4 delimiter 1 cannot match 2, since the sum of the lengths of the first delimiter run (1) and the second (1,2) == 3. Thus we get `<em>a**b</em>` instead of `<em>a</em><em>b</em>`. This gives better behavior on things like *a**b**c* which previously got parsed as <em>a</em><em>b</em><em>c</em> and now would be parsed as <em>a<strong>b</strong>c</em> With this change we get four spec test failures, but in each case the output seems more "intuitive": ``` Example 386 (lines 6490-6494) Emphasis and strong emphasis *foo**bar**baz* --- expected HTML +++ actual HTML @@ -1 +1 @@ -<p><em>foo</em><em>bar</em><em>baz</em></p> +<p><em>foo<strong>bar</strong>baz</em></p> Example 389 (lines 6518-6522) Emphasis and strong emphasis *foo**bar*** --- expected HTML +++ actual HTML @@ -1 +1 @@ -<p><em>foo</em><em>bar</em>**</p> +<p><em>foo<strong>bar</strong></em></p> Example 401 (lines 6620-6624) Emphasis and strong emphasis **foo*bar*baz** --- expected HTML +++ actual HTML @@ -1 +1 @@ -<p><em><em>foo</em>bar</em>baz**</p> +<p><strong>foo<em>bar</em>baz</strong></p> Example 442 (lines 6944-6948) Emphasis and strong emphasis **foo*bar** --- expected HTML +++ actual HTML @@ -1 +1 @@ -<p><em><em>foo</em>bar</em>*</p> +<p><strong>foo*bar</strong></p> ```
2016-06-23Removed positon from delimiter struct.John MacFarlane
It is no longer needed; only the brackets struct needs it. Thanks to @robinst.
2016-06-23Ported robinst's changes to link parsing.John MacFarlane
See https://github.com/jgm/commonmark.js/pull/101 This uses a separate stack for brackets, instead of putting them on the delimiter stack. This avoids the need for looking through the delimiter stack for the next bracket. It also avoids a shortcut reference lookup when the reference text contains brackets. The change dramatically improved performance on the nested links pathological test for commonmark.js. It has a smaller but measurable effect here.
2016-06-23Revert "Better parsing of shortcut references."John MacFarlane
This reverts commit c069cb55bcadfd0f45890d846ff412b3c892eb87.
2016-06-22Better parsing of shortcut references.John MacFarlane
We reuse the parser for reference labels, instead of just assuming that a slice of the link text will be a valid reference label. (It might contain interior brackets, for example.)
2016-06-06cmark: Implement support for custom allocatorsVicent Marti
2016-06-06cmake: Global handler for OOM situationsVicent Marti
2016-06-01inlines: Remove unused variable "link_text"Mathieu Duponchelle
2016-04-09Fixed whitespace.John MacFarlane
2016-04-09Use library functions to insert nodes in emphasis/link processing.John MacFarlane
Previously we did this manually, which introduces many places where errors can creep in.
2016-03-12Switch from "inline" to "CMARK_INLINE"Nick Wellnhofer
Newer MSVC versions support enough of C99 to be able to compile cmark in plain C mode. Only the "inline" keyword is still unsupported. We have to use "__inline" instead.
2015-12-28Don't allow space between link text and link labelJohn MacFarlane
in a reference link. (Spec change.)
2015-12-28Rename NODE_HTML -> NODE_HTML_BLOCK, NODE_INLINE_HTML -> NODE_HTML_INLINE.John MacFarlane
API change. Sorry, but this is the time to break things, before 1.0 is released. This matches the recent changes to CommonMark.dtd.
2015-12-19Use fully qualified versions of constants.John MacFarlane
2015-08-10Remove need to disable MSVC warning 4800Kevin Wojniak
2015-08-07Fixed `--hardbreaks` with CRLF line breaks.John MacFarlane
Closes #68.
2015-08-06Prefix utf8proc functions to avoid conflict with existing libraryKevin Wojniak
2015-07-27Use clang-format, llvm style, for formatting.John MacFarlane
* Reformatted all source files. * Added 'format' target to Makefile. * Removed 'astyle' target. * Updated .editorconfig.
2015-07-15Improved `make_autolink`.John MacFarlane
Ensures that title is chunk with empty string rather than NULL, as with other links. Avoids "potential memory leak" warning from clang static analyzer (though I couldn't measure one with valgrind).
2015-07-15Use full CMARK_NODE_x instead of NODE_x alias.John MacFarlane
2015-07-13Removed assertion that broke debug build.John MacFarlane
2015-07-09Implemented new treatment of dashes with `--smart`.John MacFarlane
2015-06-18process_emphasis: Fixed setting lower bound to potential openers.John MacFarlane
2015-06-18Rename potential_openers -> openers_bottom.John MacFarlane
2015-06-18Rename start_delim -> stack_bottom.John MacFarlane
2015-06-17Fixed emphasis/link parsing bug.John MacFarlane
Closes #59.
2015-06-17Added assertion to peek_char to catch any stray NULLs.John MacFarlane
Note that our current procedure for removing nulls is not working properly.
2015-06-16Small code simplification in inlines.c.John MacFarlane
Use S_is_line_end_char.
2015-06-16skip_spaces: skip tabs too.John MacFarlane