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Use zero-terminated C strings and a separate length field instead of
cmark_chunks. Literal inline text will now be copied from the parent
block's content buffer, slowing the benchmark down by 10-15%.
The node struct never references memory of other nodes now, fixing #309.
Node accessors don't have to check for delayed creation of C strings,
so parsing and iterating all literals using the public API should
actually be faster than before.
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Use zero-terminated C strings instead of cmark_chunks without storing
the length. This introduces a few additional strlen computations,
but overhead should be low.
Allows to reduce size of struct cmark_node later.
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This configures the target to setup the include paths publicly for the
library targets in the build interface. This enables uses of the
targets in the build tree without having to specify the include
directories. This is particularly useful for use in the export targets,
but also simplifies the rules for the API tests. The install interface
does not need the include directories as `cmark.h` is installed into
`include` which is a default include path.
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* build: inline a variable
* build: use `LINKER_LANGUAGE` property for C++ runtime
Rather than explicitly name the C++ runtime, use the `LINKER_LANGUAGE`
property to use the driver to spell the C++ runtime appropriately.
* build: use CMake to control C standard
Rather than use compiler specific flags to control the language
standard, indicate to CMake the desired standard.
* build: use the correct variable
These flags are being applied to the *C* compiler, check the C compiler,
not the C++ compiler.
* build: loosen the compiler check
This loosens the compiler identifier check to enable matching AppleClang
which is the identifier for the Xcode compiler.
* build: hoist shared flags to top-level CMakeLists
This hoists the common shared flags handling to the top-level CMakeLists
from sub-layers. This prevents the duplication of the handling.
* build: remove duplicated flags
This is unnecessary, `/TP` is forced on all MSVC builds, no need to
duplicate the flag for older versions.
* build: loosen C compiler identifier check
Loosen the check to a match rather than equality check, this allows it
to match AppleClang which is the identifier for the Apple vended clang
compiler part of Xcode.
* build: use `add_compile_options`
Use `add_compile_options` rather than modify `CMAKE_C_FLAGS`. The
latter is meant to be only modified by the user, not the package
developer.
* build: hoist sanitizer flags to global state
This moves the CMAKE_C_FLAGS handling to the top-level and uses
`add_compile_options` rather than modifying the user controlled flags.
* build: hoist `-fvisibilty` flags to top-level
These are global settings, hoist them to the top level.
* build: hoist the debug flag handling
Use a generator expression and hoist the flag handling for the debug
build.
* build: hoist the profile flag handling
This is a global flag, hoist it to the top level and use
`add_compile_options` rather than modify the user controlled flags.
* build: remove incorrect variable handling
This seemed to be attempting to set the linker not the linker flags for
the profile configuration. This variable is not used, do not set it.
* build: remove unused CMake includes
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Removes CMARK_OPT_SAFE from options.
Adds CMARK_OPT_UNSAFE, with the opposite meaning.
The new default behavior is to suppress raw HTML and
potentially dangerous links. The CMARK_OPT_UNSAFE
option has to be set explicitly to prevent this.
--------------------------------------------------------
NOTE: This change will require modifications in
bindings for cmark and in most libraries and programs
that use cmark.
--------------------------------------------------------
Closes #239, #273.
Borrows heavily from @kivikakk's patch in github/cmark-gfm#123.
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With current HTML escaping, sometimes we may produce an XML tag like
<code_block> </code_block>
Many XML parsers consider these spaces insignificant and strip them
out but we need this. There's actually a test case like this in
spec.txt (search "A code block can have all empty lines as its
content:") and without proper hinting, an external xml->html converter
will fail the spec.
XML standard covers this case. If xml:space is "preserve", then
whitespaces are significant and should be kept. Add this hint for
text, code, code_block, html_inline and html_block tags.
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as documented!
Closes #202.
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This reverts commit 4fbe344df43ed7f60a3d3a53981088334cb709fc.
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* 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.
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It's possible that cmark_chunk_set_cstr is called with a substring
(suffix) of the current string. Delay freeing of the chunk content
to handle this case correctly.
Fixes issue #139.
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Add library option to render softbreaks as spaces
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Replaced nodes are not automatically freed.
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API change.
I've found in using the API that this is very often
wanted.
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This did not allow for the possibility that a node
might have no containing block, causing the commonmark
renderer to segfault if passed an inline node with no
block parent.
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render_commonmark on a non-block node.
Still don't know why.
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Closes #51.
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Removed a test we can't yet handle with the render interface.
The renderer isn't smart enough to escape a `-` that wraps to
the beginning of a line.
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API change. Sorry, but this is the time to break things,
before 1.0 is released. This matches the recent changes to
CommonMark.dtd.
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CMARK_NODE_HRULE -> CMARK_NODE_THEMATIC_BREAK.
However we've defined the former as the latter to keep
backwards compatibility.
See jgm/CommonMark 8fa94cb460f5e516b0e57adca33f50a669d51f6c
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Defined CMARK_NODE_HEADER to CMARK_NODE_HEADING to ease
the transition.
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See jgm/CommonMark commit 0cdbcee4e840abd0ac7db93797b2b75ca4104314
Note that we have defined
cmark_node_get_header_level = cmark_node_get_heading_level
and
cmark_node_set_header_level = camrk_node_set_heading_level
for backwards compatibility in the API.
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Closes #71.
Added a test to api_test.
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Currently fails.
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* Added `CMARK_OPT_SAFE`. This option disables rendering of raw HTML
and potentially dangerous links.
* Added `--safe` option in command-line program.
* Updated `cmark.3` man page.
* Added `scan_dangerous_url` to scanners.
* In HTML, suppress rendering of raw HTML and potentially dangerous
links if `CMARK_OPT_SAFE`. Dangerous URLs are those that begin
with `javascript:`, `vbscript:`, `file:`, or `data:` (except for
`image/png`, `image/gif`, `image/jpeg`, or `image/webp` mime types).
* Added `api_test` for `OPT_CMARK_SAFE`.
* Rewrote `README.md` on security.
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This is easier to access using ffi, since some languages, like C#
like to use only function interfaces for accessing library
functionality.
fixes #60
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Also command line option `--validate-utf8`.
This option causes cmark to check for valid UTF-8,
replacing invalid sequences with the replacement
character, U+FFFD.
Reinstated api tests for utf8.
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We no longer validate utf8 before parsing.
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