Kate: syntax highlighting for Markdown

Source:  https://github.com/claes/kate-markdown
Licence: GPL or BSD (dual)

Copyright 2008 Darrin Yeager. http://dyeager.org/
Extended  2009 Claes Holmerson. http://github.com/claes/kate-markdown

Per mailing list recommendation by Dr. Niklaus Klepp <dr.klepp@gmx.at>

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
(cherry picked from commit 65ab72853b27a5f49b2de0a12cdcb4b33756a7e1)

4 files changed, 153 insertions, 6 deletions

diff --git a/kate/data/CMakeLists.txt b/kate/data/CMakeLists.txt
index 6c9e158cb..b823e4e60 100644
--- a/kate/data/CMakeLists.txt
+++ b/kate/data/CMakeLists.txt
@@ -45,9 +45,9 @@ install( FILES
     ini.xml isocpp.xml jam.xml javadoc.xml javascript.xml java.xml json.xml
     jsp.xml julia.xml j.xml kbasic.xml latex.xml ldif.xml ld.xml less.xml lex.xml lilypond.xml
     literate-curry.xml literate-haskell.xml logtalk.xml lpc.xml lsl.xml lua.xml m3u.xml
-    m4.xml mab.xml magma.xml makefile.xml mako.xml mandoc.xml mason.xml mathematica.xml matlab.xml
-    maxima.xml mediawiki.xml mel.xml mergetagtext.xml meson.xml metafont.xml mips.xml modelica.xml
-    modelines.xml modula-2-iso-only.xml modula-2-pim-only.xml modula-2-r10-only.xml
+    m4.xml mab.xml magma.xml makefile.xml mako.xml mandoc.xml markdown.xml mason.xml mathematica.xml
+    matlab.xml maxima.xml mediawiki.xml mel.xml mergetagtext.xml meson.xml metafont.xml mips.xml
+    modelica.xml modelines.xml modula-2-iso-only.xml modula-2-pim-only.xml modula-2-r10-only.xml
     modula-2.xml monobasic.xml mup.xml nagios.xml nasm.xml nemerle.xml nesc.xml
     noweb.xml objectivecpp.xml objectivec.xml ocaml.xml ocamllex.xml ocamlyacc.xml
     octave.xml oors.xml opal.xml opencl.xml
diff --git a/kate/data/Makefile.am b/kate/data/Makefile.am
index 09df83b7f..5f1eda66d 100644
--- a/kate/data/Makefile.am
+++ b/kate/data/Makefile.am
@@ -23,9 +23,9 @@ syntaxkate_DATA = language.dtd syntax.template \
     ini.xml isocpp.xml jam.xml javadoc.xml javascript.xml javascript-php.xml java.xml json.xml \
     jsp.xml julia.xml j.xml kbasic.xml latex.xml ldif.xml ld.xml less.xml lex.xml lilypond.xml \
     literate-curry.xml literate-haskell.xml logtalk.xml lpc.xml lsl.xml lua.xml m3u.xml \
-    m4.xml mab.xml magma.xml makefile.xml mako.xml mandoc.xml mason.xml mathematica.xml matlab.xml \
-    maxima.xml mediawiki.xml mel.xml mergetagtext.xml meson.xml metafont.xml mips.xml modelica.xml \
-    modelines.xml modula-2-iso-only.xml modula-2-pim-only.xml modula-2-r10-only.xml \
+    m4.xml mab.xml magma.xml makefile.xml mako.xml mandoc.xml markdown.xml mason.xml mathematica.xml \
+    matlab.xml maxima.xml mediawiki.xml mel.xml mergetagtext.xml meson.xml metafont.xml mips.xml \
+    modelica.xml modelines.xml modula-2-iso-only.xml modula-2-pim-only.xml modula-2-r10-only.xml \
     modula-2.xml monobasic.xml mup.xml nagios.xml nasm.xml nemerle.xml nesc.xml \
     noweb.xml objectivecpp.xml objectivec.xml ocaml.xml ocamllex.xml ocamlyacc.xml \
     octave.xml oors.xml opal.xml opencl.xml \
diff --git a/kate/data/markdown.xml b/kate/data/markdown.xml
new file mode 100644
index 000000000..a132f6d63
--- /dev/null
+++ b/kate/data/markdown.xml
@@ -0,0 +1,146 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	Kate syntax highlight filter for Markdown/MultiMarkdown documents.
+
+	Copyright 2008 Darrin Yeager. http://www.dyeager.org/
+	Dual-Licensed under both GPL and BSD licenses.
+	
+	Extended 2009 Claes Holmerson. http://github.com/claes/kate-markdown/
+-->
+
+
+<!-- the [^\s]{1} is in the regex to avoid interfering with bullet list which
+	  starts "* item". Thus emphasis/strong MUST be formed like *words here*
+	  with the asterisks next to the beginning of the first word.
+
+	  Match space or newline, followed by "*", followed by one non-space,
+	  followed by anything non-asterisk, followed by "*", followed by
+	  space, end-of-sentence punctuation, or the end of the line.
+-->
+<!DOCTYPE language SYSTEM "language.dtd"
+			 [
+			 <!ENTITY strongemphasisregex "(\s|^)[\*_]{3}[^\*_]+[\*_]{3}(\s|\.|,|;|:|\-|\?|$)">
+			 <!ENTITY strongregex "(\s|^)[\*_]{2}[^\s]{1}[^\*_]+[\*_]{2}(\s|\.|,|;|:|\-|\?|$)">
+			 <!ENTITY emphasisregex "(\s|^)[\*_]{1}[^\s]{1}[^\*_]+[\*_]{1}(\s|\.|,|;|:|\-|\?|$)">
+			 <!ENTITY reflinkregex '\[[^\]\^]+\]\s*\[[^\]]*\]\s*(\s+\"[^\"]*\"){0,1}'>
+			 <!ENTITY reflinktargetregex '\[[^\]\^]+\]\:\s+[^\s]+(\s+\"[^\"]*\"){0,1}'>
+			 <!ENTITY footnoteregex "\[\^[^\]]+\]">
+			 <!ENTITY inlinelinkregex '\[[^\]\^]+\]\s*\([^\(]*\)'>
+			 <!ENTITY inlineimageregex '\!\[[^\]\^]+\]\([^\(]*\)'>
+			 <!ENTITY refimageregex '\!\[[^\]\^]+\]\[[^\[]*\]'>
+			 <!ENTITY autolinkregex '&lt;(https?|ftp):[^\"&gt;\s]+&gt;'>
+			 <!ENTITY mailtolinkregex '&lt;(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)&gt;'>
+			 <!ENTITY rulerregex '\s*([\*\-_]\s?){3,}\s*'>
+			 <!-- two spaces at end of line generates linebreak -->
+			 <!ENTITY linebreakregex "  $"> 
+			 <!ENTITY strikeoutregex "[~]{2}[^~].*[^~][~]{2}"> <!-- pandoc style -->
+]>
+			 
+<language name="Markdown" version="1.2" section="Markup"
+		extensions="*.text;*.md;*.mmd;*.mdwn" priority="15"
+		author="Darrin Yeager, Claes Holmerson"
+		license="GPL,BSD" >
+	<highlighting>
+		<contexts>
+
+			<context attribute="Normal Text" lineEndContext="#stay" name="Normal Text" >
+				<DetectChar context="blockquote" char="&gt;" column="0"/>
+				<RegExpr attribute="h1" String="^#\s.*[#]?$" />
+				<RegExpr attribute="h2" String="^##\s.*[#]?$" />
+				<RegExpr attribute="h3" String="^###\s.*[#]?$" />
+				<RegExpr attribute="h4" String="^####\s.*[#]?$" />
+				<RegExpr attribute="h5" String="^#####\s.*[#]?$" />
+				<RegExpr attribute="ruler" String="&rulerregex;" />
+				<RegExpr attribute="strong" String="&strongregex;" />
+				<RegExpr attribute="emphasis" String="&emphasisregex;" />
+				<RegExpr attribute="strongemphasis" String="&strongemphasisregex;" />
+				<RegExpr attribute="code" String="^([\s]{4,}|\t+).*$" />
+				<RegExpr context="bullet" String="^[\*\+\-]\s" />
+				<RegExpr context="numlist" String="^[\d]+\.\s" />
+				<RegExpr attribute="meta" String="^(Title|Author|Date|Copyright|Revision|CSS|LaTeX\ XSLT|Categories|Tags|BaseName|Excerpt):(.*)+$" />
+				<IncludeRules context="inc" />
+			</context>
+
+			<context attribute="blockquote" lineEndContext="#pop" name="blockquote">
+				<RegExpr attribute="bq-strong" String="&strongregex;" />
+				<RegExpr attribute="bq-emphasis" String="&emphasisregex;" />
+				<IncludeRules context="inc" />
+			</context>
+
+			<context attribute="bullet" lineEndContext="#pop" name="bullet" >
+				<RegExpr attribute="bl-strong" String="&strongregex;" />
+				<RegExpr attribute="bl-emphasis" String="&emphasisregex;" />
+				<IncludeRules context="inc" />
+			</context>
+			
+			<context attribute="numlist" lineEndContext="#pop" name="numlist" >
+				<RegExpr attribute="nl-strong" String="&strongregex;" />
+				<RegExpr attribute="nl-emphasis" String="&emphasisregex;" />
+				<IncludeRules context="inc" />
+			</context>
+			
+			<context attribute="comment" lineEndContext="#stay" name="comment" >
+				<RegExpr String="--&gt;" attribute="comment" context="#pop" endRegion="comment"/>
+			</context>
+
+			<context attribute="common" name="inc" lineEndContext="#stay" >
+				<RegExpr attribute="code" String="`[^`]+`" />
+				<RegExpr context="comment" String="&lt;!--" beginRegion="comment" />
+				<RegExpr attribute="reflink" String="&reflinkregex;" />
+				<RegExpr attribute="footnote" String="&footnoteregex;" />
+				<RegExpr attribute="inlinelink" String="&inlinelinkregex;"/>
+				<RegExpr attribute="reflinktarget" String="&reflinktargetregex;"/>
+				<RegExpr attribute="inlineimage" String="&inlineimageregex;"/>
+				<RegExpr attribute="refimage" String="&refimageregex;"/>
+				<RegExpr attribute="autolink" String="&autolinkregex;"/>
+				<RegExpr attribute="mailtolink" String="&mailtolinkregex;"/>
+				<RegExpr attribute="strikeout" minimal="true" String="&strikeoutregex;"/>
+				<RegExpr attribute="linebreak" minimal="true" String="&linebreakregex;"/>
+			</context>
+		</contexts>
+
+		<itemDatas>
+			<itemData name="Normal Text" defStyleNum="dsNormal" />
+			<itemData name="common" defStyleNum="dsNormal" />
+			<itemData name="strongemphasis" defStyleNum="dsNormal" italic="true" bold="true"/>
+			<itemData name="emphasis" defStyleNum="dsNormal" italic="true" />
+			<itemData name="strong" defStyleNum="dsNormal" bold="true" />
+			<itemData name="ruler" defStyleNum="dsNormal" bold="true" />
+			<itemData name="strikeout" defStyleNum="dsNormal" strikeOut="true" />
+			<itemData name="linebreak" defStyleNum="dsNormal" underline="true" color="#999999"/>
+			<itemData name="h1" defStyleNum="dsFunction" bold="true" />
+			<itemData name="h2" defStyleNum="dsFunction" bold="true" />
+			<itemData name="h3" defStyleNum="dsFunction" bold="true" />
+			<itemData name="h4" defStyleNum="dsFunction" bold="true" />
+			<itemData name="h5" defStyleNum="dsFunction" bold="true" />
+			<itemData name="blockquote" defStyleNum="dsDataType" />
+			<itemData name="bq-emphasis" defStyleNum="dsDataType" italic="true" />
+			<itemData name="bq-strong" defStyleNum="dsDataType" bold="true" />
+			<itemData name="bullet" defStyleNum="dsFloat" />
+			<itemData name="bl-emphasis" defStyleNum="dsFloat" italic="true" />
+			<itemData name="bl-strong" defStyleNum="dsFloat" bold="true" />
+			<itemData name="numlist" defStyleNum="dsFloat" />
+			<itemData name="nl-emphasis" defStyleNum="dsFloat" italic="true" />
+			<itemData name="nl-strong" defStyleNum="dsFloat" bold="true" />
+			<itemData name="comment"  defStyleNum="dsComment" />
+			<itemData name="code" defStyleNum="dsBaseN" />
+			<itemData name="reflink" defStyleNum="dsOthers" underline="true" />
+			<itemData name="inlinelink" defStyleNum="dsOthers" underline="true" />
+			<itemData name="autolink" defStyleNum="dsOthers" underline="true" />
+			<itemData name="mailtolink" defStyleNum="dsOthers" underline="true" />
+			<itemData name="footnote" defStyleNum="dsOthers" italic="true" />
+			<itemData name="meta"  defStyleNum="dsComment" />
+			<itemData name="reflinktarget" defStyleNum="dsOthers" italic="false" bold="false" />
+			<itemData name="inlineimage" defStyleNum="dsAlert" italic="false" bold="false" />
+			<itemData name="refimage" defStyleNum="dsAlert" italic="false" bold="false" />
+		</itemDatas>
+
+    </highlighting>
+
+	 <general>
+		 <comments>
+			 <comment name="multiLine" start="&lt;!--" end="--&gt;" region="comment" />
+		 </comments>
+	 </general>
+
+ </language>
diff --git a/kate/data/update-files.xml b/kate/data/update-files.xml
index c4cf021de..0af937293 100644
--- a/kate/data/update-files.xml
+++ b/kate/data/update-files.xml
@@ -136,6 +136,7 @@
 <Definition name="Makefile" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/makefile.xml" version="2.1"/>
 <Definition name="Mako" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/mako.xml" version="1.0"/>
 <Definition name="Troff Mandoc" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/mandoc.xml" version="2"/>
+<Definition name="Markdown" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/markdown.xml" version="1.2"/>
 <Definition name="Mason" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/mason.xml" version="4"/>
 <Definition name="Mathematica" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/mathematica.xml" version="8.1"/>
 <Definition name="Matlab" url="http://git.trinitydesktop.org/cgit/tdelibs/plain/kate/data/matlab.xml" version="2-2"/>