todotxt.lang

<?xml version="1.0" encoding="UTF-8"?>
<!--
 GtkSourceView syntax highlighting for the todo.txt format.
 See also:  http://todotxt.org/

 Author: Eric Weik <ericw@newriversdigital.com>
 Copyright (C) 2018 Eric Weik <ericw@newriversdigital.com>

 GtkSourceView is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 GtkSourceView is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with this library; if not, see <http://www.gnu.org/licenses/>.

-->
<language id="todo" name="todo-txt" version="2.0" _section="Markup">

  <metadata>
    <property name="mimetypes">text/plain</property>
    <property name="globs">todo.txt*</property>
    <property name="line-comment-start">x </property>
  </metadata>

  <styles>
    <style id="done" name="Done" map-to="def:comment"/>
    <style id="priority" name="Priority" map-to="def:keyword"/>
    <style id="date" name="Date" map-to="def:constant"/>
    <style id="tag" name="Tag" map-to="def:type"/>
    <style id="place" name="Place" map-to="def:string"/>
    <style id="metadata" name="Metadata" map-to="def:preprocessor"/>
  </styles>

  <default-regex-options case-sensitive="false" />

  <definitions>
    <context id="todo">
      <include>

        <context id="line-done" style-ref="done" end-at-line-end="true" class="comment" class-disabled="no-spell-check">
          <start>^x </start>
          <include>
            <context ref="def:in-comment"/>
          </include>
        </context>

        <context id="priority" style-ref="priority">
          <match>\([A-Z]\)</match>
        </context>

        <context id="date" style-ref="date">
          <match>[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]</match>
        </context>
    
        <context id="tag" style-ref="tag">
          <match>\+[[:graph:]]{1,}</match>
        </context>

        <context id="place" style-ref="place">
          <match>\@[[:graph:]]{1,}</match>
        </context>

        <context id="metadata" style-ref="metadata">
          <match>[^\s\\]*:[^\s\\]*</match>
        </context>

      </include>
    </context>
  </definitions>

</language>