<!-- $Id$
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                   The Apache Software License, Version 1.1
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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation
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   include the following acknowledgment: "This product includes software
   developed by the Apache Software Foundation (http://www.apache.org/)."
   Alternately, this acknowledgment may appear in the software itself, if
   and wherever such third-party acknowledgments normally appear.

4. The names "FOP" and "Apache Software Foundation" must not be used to
   endorse or promote products derived from this software without prior
   written permission. For written permission, please contact
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5. Products derived from this software may not be called "Apache", nor may
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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============================================================================

This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
James Tauber <jtauber@jtauber.com>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
--> 
<xsl:stylesheet version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:include href="./propinc.xsl"/>

<xsl:output method="text" />

<xsl:template match="allprops">
<xsl:variable name="constlist">
  <xsl:for-each select="document(propfile)//generic-property-list
    //enumeration/value">
    <xsl:sort select="@const"/>
  <xsl:value-of select="@const"/>:</xsl:for-each>
</xsl:variable>

<xsl:variable name="propertylist">
  <xsl:for-each select="document(propfile)//generic-property-list//
    property[not(@type = 'generic')]">
    <xsl:sort select="name"/>
    <xsl:text>PR_</xsl:text>
    <xsl:call-template name="makeEnumConstant">
      <xsl:with-param name="propstr" select="name" />
    </xsl:call-template>
    <xsl:text>:</xsl:text>
  </xsl:for-each>
</xsl:variable>

<xsl:variable name="compoundpropertylist">
  <xsl:for-each select="document(propfile)//generic-property-list//
    property/compound/subproperty">
    <xsl:sort select="name"/>
    <xsl:text>CP_</xsl:text>
    <xsl:call-template name="makeEnumConstant">
      <xsl:with-param name="propstr" select="name" />
    </xsl:call-template>
    <xsl:text>:</xsl:text>
  </xsl:for-each>
</xsl:variable>


<xsl:variable name="elementlist">
  <xsl:for-each select="document(elementfile)//element">
    <xsl:sort select="name"/>
    <xsl:text>FO_</xsl:text>
    <xsl:call-template name="makeEnumConstant">
      <xsl:with-param name="propstr" select="name" />
    </xsl:call-template>
    <xsl:text>:</xsl:text>
  </xsl:for-each>
</xsl:variable>

<xsl:text>

package org.apache.fop.fo.properties;

public interface Constants {</xsl:text>

    // element constants
<xsl:call-template name="sortconsts">
  <xsl:with-param name="consts" select="$elementlist"/>
  <xsl:with-param name="counter" select="'ELEMENT'"/>
</xsl:call-template>

    // Masks
    int COMPOUND_SHIFT = 9;
    int PROPERTY_MASK = (1 &lt;&lt; COMPOUND_SHIFT)-1;
    int COMPOUND_MASK = ~PROPERTY_MASK;

    // property constants
<xsl:call-template name="sortconsts">
  <xsl:with-param name="consts" select="$propertylist"/>
  <xsl:with-param name="counter" select="'PROPERTY'"/>
</xsl:call-template>

    // compound property constants
<xsl:call-template name="sortconsts">
  <xsl:with-param name="consts" select="$compoundpropertylist"/>
  <xsl:with-param name="suffix" select="' &lt;&lt; COMPOUND_SHIFT'"/>
</xsl:call-template>

    // Enumeration constants
<xsl:call-template name="sortconsts">
  <xsl:with-param name="consts" select="$constlist"/>
</xsl:call-template>

<xsl:text>
}
</xsl:text>
</xsl:template>

<xsl:template name="sortconsts">
<xsl:param name="consts"/>
<xsl:param name="prevconst"/>
<xsl:param name="num" select="1"/>
<xsl:param name="suffix" select="''"/>
<xsl:param name="counter" select="''"/>
<xsl:variable name="cval" select="substring-before($consts,':')"/>
<xsl:choose>
  <xsl:when test="$consts = ''">
    <xsl:if test="$counter != ''">
      <xsl:text>
    int </xsl:text>
      <xsl:value-of select="$counter"/>_COUNT = <xsl:value-of select="$num - 1"/>;
    </xsl:if>
  </xsl:when>
  <xsl:when test="$cval = $prevconst">
    <xsl:call-template name="sortconsts">
      <xsl:with-param name="consts" select="substring-after($consts,concat($cval, ':'))"/>
      <xsl:with-param name="num" select="$num"/>
      <xsl:with-param name="prevconst" select="$cval"/>
      <xsl:with-param name="counter" select="$counter"/>
      <xsl:with-param name="suffix" select="$suffix"/>
    </xsl:call-template>
  </xsl:when>
  <xsl:otherwise>
    <xsl:text>
    int </xsl:text>
    <xsl:value-of select="$cval"/>
    <xsl:text> = </xsl:text>
    <xsl:value-of select="$num"/>
    <xsl:value-of select="$suffix"/>
    <xsl:text>;</xsl:text>
    <xsl:call-template name="sortconsts">
      <xsl:with-param name="consts" select="substring-after($consts,concat($cval, ':'))"/>
      <xsl:with-param name="num" select="$num + 1"/>
      <xsl:with-param name="prevconst" select="$cval"/>
      <xsl:with-param name="counter" select="$counter"/>
      <xsl:with-param name="suffix" select="$suffix"/>
    </xsl:call-template>
  </xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>