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authorJoey Hess <joey@gnu.kitenet.net>2009-05-21 17:23:42 -0400
committerJoey Hess <joey@gnu.kitenet.net>2009-05-21 17:23:42 -0400
commit3adacbac47386b235074cdf39824af6758a1b282 (patch)
tree1e9c2576585873997f70fc5f52e254e52643527b /doc/todo
parentd00484b40ca5c36d01d51b67e18b2ae259f19ac7 (diff)
update
Diffstat (limited to 'doc/todo')
-rw-r--r--doc/todo/syntax_highlighting.mdwn28
1 files changed, 20 insertions, 8 deletions
diff --git a/doc/todo/syntax_highlighting.mdwn b/doc/todo/syntax_highlighting.mdwn
index f50784e29..f269aeb7c 100644
--- a/doc/todo/syntax_highlighting.mdwn
+++ b/doc/todo/syntax_highlighting.mdwn
@@ -21,13 +21,13 @@ things easier for the user.
* [[plugins/contrib/syntax]] only operates as a directive
([[not_on_source_code_files|automatic_use_of_syntax_plugin_on_source_code_files]]),
and uses [[!cpan Text::VimColor]].
-* [[plugins/contrib/sourcehighlight]] uses src-highlight, and operates on
+* [[plugins/contrib/sourcehighlight]] uses source-highlight, and operates on
whole source files only. Needs to be updated to
support [[bugs/multiple_pages_with_same_name]].
* [[sourcecode|todo/automatic_use_of_syntax_plugin_on_source_code_files/discussion]]
- also uses src-highlight, and operates on whole source files.
+ also uses source-highlight, and operates on whole source files.
Updated to work with the fix for [[bugs/multiple_pages_with_same_name]]. Untested with files with no extension, e.g. `Makefile`.
-* [[users/jasonblevins]]'s code plugin uses src-highlight, and supports both
+* [[users/jasonblevins]]'s code plugin uses source-highlight, and supports both
while file and directive use.
* [hlsimple](http://pivot.cs.unb.ca/git/?p=ikiplugins.git;a=blob_plain;f=IkiWiki/Plugin/hlsimple.pm;hb=HEAD) is a wrapper for the the perl module [[!cpan Syntax::Highlight::Engine::Simple]]. This is pure perl, pretty simple, uses css. It ought to be pretty fast (according to the author, and just because it is not external).
@@ -37,16 +37,28 @@ releases the 5 or 6 language definitions he has running on his web site, it migh
## General problems / requirements
-* Using non-perl syntax highlighting backends is slow. I'd prefer either
- using a perl module, or a multiple-backend solution that can use a perl
- module as one option. (Or, if there's a great highlighter python module,
- we could use an external plugin..)
+* Using non-perl syntax highlighting backends is slower. All things equal,
+ I'd prefer either using a perl module, or a multiple-backend solution that
+ can use a perl module as one option. (Or, if there's a great highlighter
+ python module, we could use an external plugin..)
+
+ Of course, some perl modules are also rather slow.. Kate, for example
+ can only process about 33 lines of C code, or 14 lines of
+ debian/changelog per second. That's **30 times slower than markdown**!
+
+ By comparison, source-highlight can do about 5000 lines of C code per
+ second... And launching the program 100 times on an empty file takes about
+ 5 seconds.
+
* Engines that already support a wide variety of file types are of
course preferred. If the engine doesn't support a particular type
of file, it could fall back to doing something simple like
adding line numbers. (IkiWiki-Plugin-syntax does this.)
+* XHTML output.
* Emitting html that uses CSS to control the display is preferred,
- since it allows for easy user customization.
+ since it allows for easy user customization. (Engine::Simple does
+ this; Kate can be configured to do it; source-highlight can be
+ made to do it via the switches `--css /dev/null --no-doc`)
* Nothing seems to support
[[wiki-formatted_comments|wiki-formatted_comments_with_syntax_plugin]]
inside source files. Doing this probably means post-processing the