diff options
| author | Munken <mm.munk@gmail.com> | 2016-12-08 21:52:57 +0000 |
|---|---|---|
| committer | Munken <mm.munk@gmail.com> | 2016-12-08 21:52:57 +0000 |
| commit | 9ab1fe5e6536e311142d1daddd0d7c8e29eec20a (patch) | |
| tree | 45bd9014f00ba62f206fe490c3266d5181571e93 /lib/banzai | |
| parent | 6992ac111713be14b050a72a462eb70d9be35ebc (diff) | |
| download | gitlab-ce-9ab1fe5e6536e311142d1daddd0d7c8e29eec20a.tar.gz | |
Working inline math filter
Diffstat (limited to 'lib/banzai')
| -rw-r--r-- | lib/banzai/filter/inline_math_filter.rb | 29 | ||||
| -rw-r--r-- | lib/banzai/pipeline/gfm_pipeline.rb | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/lib/banzai/filter/inline_math_filter.rb b/lib/banzai/filter/inline_math_filter.rb new file mode 100644 index 00000000000..a63116c12ce --- /dev/null +++ b/lib/banzai/filter/inline_math_filter.rb @@ -0,0 +1,29 @@ +require 'uri' + +module Banzai + module Filter + # HTML filter that adds class="code math" and removes the dolar sign in $`2+2`$. + # + class InlineMathFilter < HTML::Pipeline::Filter + def call + doc.xpath("descendant-or-self::text()[substring(., string-length(.)) = '$']"\ + "/following-sibling::*[name() = 'code']"\ + "/following-sibling::text()[starts-with(.,'$')]").each do |el| + closing = el + code = el.previous + code[:class] = 'code math' + opening = code.previous + + closing.content = closing.content[1..-1] + opening.content = opening.content[0..-2] + + closing + end + + puts doc + + doc + end + end + end +end diff --git a/lib/banzai/pipeline/gfm_pipeline.rb b/lib/banzai/pipeline/gfm_pipeline.rb index 5da2d0b008c..2c81cbe56b3 100644 --- a/lib/banzai/pipeline/gfm_pipeline.rb +++ b/lib/banzai/pipeline/gfm_pipeline.rb @@ -6,6 +6,7 @@ module Banzai Filter::SyntaxHighlightFilter, Filter::SanitizationFilter, + Filter::InlineMathFilter, Filter::UploadLinkFilter, Filter::VideoLinkFilter, Filter::ImageLinkFilter, |