<?xml version="1.0" encoding="UTF-8"?>
<!--

 Authors: Marco Barisione, Emanuele Aina, Paolo Borelli
 Copyright (C) 2005-2007 Marco Barisione <barisione@gmail.com>
 Copyright (C) 2005-2007 Emanuele Aina
 Copyright (C) 2007 Paolo Borelli

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Library General Public
 License as published by the Free Software Foundation; either
 version 2 of the License, or (at your option) any later version.

 This library 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
 Library General Public License for more details.

 You should have received a copy of the GNU Library General Public
 License along with this library; if not, write to the
 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.

-->
<language id="xml" _name="XML" version="2.0" _section="Markup">
    <metadata>
        <property name="mimetypes">application/xml;text/xml</property>
        <property name="globs">*.xml;*.xspf;*.siv;*.smil;*.smi;*.sml;*.kino;*.xul;*.xbel;*.abw;*.zabw;*.glade;*.jnlp;*.xhtml;*.svg;*.mml;*.rdf;*.rss;*.wml;*.xmi;*.fo;*.xslfo;*.xslt;*.xsl</property>
        <property name="block-comment-start">&lt;!--</property>
        <property name="block-comment-end">--&gt;</property>
    </metadata>

    <styles>
        <style id="comment"                 _name="Comment"                 map-to="def:comment"/>
        <style id="doctype"                 _name="DOCTYPE"                 map-to="def:preprocessor"/>
        <style id="cdata-delim"             _name="CDATA delimiter"         map-to="def:preprocessor"/>
        <style id="processing-instruction"  _name="Processing instruction"  map-to="def:preprocessor"/>
        <style id="element-name"            _name="Element name"            map-to="def:identifier"/>
        <style id="attribute-name"          _name="Attribute name"          map-to="def:type"/>
        <style id="attribute-value"         _name="Attribute value"         map-to="def:string"/>
        <style id="entity"                  _name="Entity"                  map-to="def:preprocessor"/>
        <style id="tag"                     _name="Tag"/>
        <style id="namespace"               _name="Namespace"               map-to="xml:element-name"/>
        <style id="error"                   _name="Error"                   map-to="def:error"/>
    </styles>

    <definitions>
        <define-regex id="prefix">[a-zA-Z_][a-zA-Z0-9._-]*</define-regex>

        <define-regex id="name">[a-zA-Z_][a-zA-Z0-9.:_-]*</define-regex>

        <context id="entity" style-ref="entity">
            <match>&amp;\%{name};</match>
        </context>

        <context id="character-reference" style-ref="entity">
            <match>&amp;#([0-9]+|x[a-fA-F0-9]+);</match>
        </context>

        <context id="unallowed-chars" style-ref="error" extend-parent="false">
            <match>[&amp;&lt;]</match>
        </context>

        <context id="comment" style-ref="comment">
            <start>&lt;!--</start>
            <end>--&gt;</end>
            <include>
                <context style-ref="error" extend-parent="false">
                    <match>--+</match>
                </context>
                <context ref="def:in-comment"/>
            </include>
        </context>

        <context id="doctype">
            <start>(&lt;!DOCTYPE)\s+(\%{name})</start>
            <end>&gt;</end>
            <include>
              <context sub-pattern="1" where="start" style-ref="doctype"/>
              <context sub-pattern="2" where="start" style-ref="doctype"/>
              <context sub-pattern="0" where="end" style-ref="doctype"/>
              <context>
                <match>(SYSTEM)\s+(\"[^\"]*\")</match>
                <include>
                  <context sub-pattern="1" style-ref="doctype"/>
                  <context sub-pattern="2" style-ref="attribute-value"/>
                </include>
              </context>
              <context>
                <match>(PUBLIC)\s+(\"[^\"]*\")\s+(\"[^\"]*\")</match>
                <include>
                  <context sub-pattern="1" style-ref="doctype"/>
                  <context sub-pattern="2" style-ref="attribute-value"/>
                  <context sub-pattern="3" style-ref="attribute-value"/>
                </include>
              </context>
              <context>
                <start>\[</start>
                <end>\]</end>
                <include>
                  <context sub-pattern="0" where="start" style-ref="doctype"/>
                  <context sub-pattern="0" where="end" style-ref="doctype"/>
                  <context ref="dtd:dtd"/>
                </include>
              </context>
            </include>
        </context>

        <context id="cdata">
            <start>&lt;!\[CDATA\[</start>
            <end>\]\]&gt;</end>
            <include>
                <context sub-pattern="0" where="start" style-ref="cdata-delim"/>
                <context sub-pattern="0" where="end" style-ref="cdata-delim"/>
            </include>
        </context>

        <context id="processing-instruction" style-ref="processing-instruction">
            <start>&lt;\?</start>
            <end>\?&gt;</end>
        </context>

        <!-- The following three contexts can be <replace>d in xml
             dialect lang files, to custommize highlighting, e.g.
             highlighting docbook tags as keywords -->

        <context id="namespace" style-ref="namespace">
            <match>(?&lt;!:)\%{prefix}:</match>
        </context>

        <!-- Match attribute-name before element-name otherwise
             "text" in <fo:block text-align="left"> is detected as
             element -->
        <context id="attribute-name" style-ref="attribute-name">
            <match>\b\%{name}\s*=</match>
        </context>

        <context id="attribute-value" style-ref="attribute-value">
            <start>["']</start>
            <end>\%{0@start}</end>
            <include>
                <context ref="entity"/>
                <context ref="character-reference"/>
                <context ref="unallowed-chars"/>
            </include>
        </context>

        <context id="element-name" once-only="true" style-ref="element-name">
            <match>\b\%{name}\b(?!\s*=)</match>
        </context>

        <context id="prolog">
            <start>&lt;\?xml</start>
            <end>\?&gt;</end>
            <include>
                <context sub-pattern="0" where="start" style-ref="processing-instruction"/>
                <context sub-pattern="0" where="end" style-ref="processing-instruction"/>
                <context ref="attribute-value"/>
                <context ref="attribute-name"/>
            </include>
        </context>

        <context id="start-tag" style-ref="tag">
            <start>&lt;(?!/)</start>
            <end>/?&gt;</end>
            <include>
                <context sub-pattern="0" where="start" style-ref="element-name"/>
                <context sub-pattern="0" where="end" style-ref="element-name"/>
                <context ref="entity"/>
                <context ref="character-reference"/>
                <context ref="unallowed-chars"/>
                <context ref="namespace"/>
                <context ref="attribute-name"/>
                <context ref="attribute-value"/>
                <context ref="element-name"/>
                <context style-ref="error" extend-parent="false">
                  <match>\S</match>
                </context>
            </include>
        </context>

        <context id="end-tag" style-ref="tag">
            <start>&lt;/</start>
            <end>&gt;</end>
            <include>
                <context sub-pattern="0" where="start" style-ref="element-name"/>
                <context sub-pattern="0" where="end" style-ref="element-name"/>
                <context ref="entity"/>
                <context ref="character-reference"/>
                <context ref="unallowed-chars"/>
                <context ref="namespace"/>
                <context ref="element-name"/>
                <context style-ref="error" extend-parent="false">
                  <match>\S</match>
                </context>
            </include>
        </context>

        <context id="close-tag-outside-tag" style-ref="error">
          <match>/&gt;</match>
        </context>

        <context id="xml">
            <include>
                <context ref="comment"/>
                <context ref="doctype"/>
                <context ref="cdata"/>
                <context ref="prolog"/>
                <context ref="processing-instruction"/>
                <context ref="start-tag"/>
                <context ref="end-tag"/>
                <context ref="entity"/>
                <context ref="character-reference"/>
                <context ref="unallowed-chars"/>
                <context ref="close-tag-outside-tag"/>
            </include>
        </context>
    </definitions>
</language>