src/codegen/constants.xsl

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  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
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<!-- $Id$ -->
<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;

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;
    int COMPOUND_COUNT = 11;
    
    // 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>

   // Enumeration Interfaces
   
    public interface GenericBooleanInterface {
        int TRUE =  Constants.TRUE;
        int FALSE =  Constants.FALSE;
    }
     
    public interface GenericBorderStyleInterface {
        int NONE =  Constants.NONE;
        int HIDDEN =  Constants.HIDDEN;
        int DOTTED =  Constants.DOTTED;
        int DASHED =  Constants.DASHED;
        int SOLID =  Constants.SOLID;
        int DOUBLE =  Constants.DOUBLE;
        int GROOVE =  Constants.GROOVE;
        int RIDGE =  Constants.RIDGE;
        int INSET =  Constants.INSET;
        int OUTSET =  Constants.OUTSET;
    }
    
    public interface GenericBreakInterface {
        int AUTO =  Constants.AUTO;
        int COLUMN =  Constants.COLUMN;
        int PAGE =  Constants.PAGE;
        int EVEN_PAGE =  Constants.EVEN_PAGE;
        int ODD_PAGE =  Constants.ODD_PAGE;
    }
    
    public interface GenericCondBorderWidthInterface {
        public interface Conditionality {
            int DISCARD = Constants.DISCARD;
            int RETAIN = Constants.RETAIN;
        }
    }
    
    public interface GenericCondPaddingInterface {
        public interface Conditionality {
            int DISCARD = Constants.DISCARD;
            int RETAIN = Constants.RETAIN;
        }
    }
        
    public interface GenericKeepInterface {
        public interface WithinPage {
            int AUTO = Constants.AUTO;
            int ALWAYS = Constants.ALWAYS;
        }
        public interface WithinLine {
            int AUTO = Constants.AUTO;
            int ALWAYS = Constants.ALWAYS;
        }
        public interface WithinColumn {
            int AUTO = Constants.AUTO;
            int ALWAYS = Constants.ALWAYS;
        }
    }
    
    public interface GenericSpaceInterface {
        public interface Precedence {
            int FORCE = Constants.FORCE;
        }
        public interface Conditionality {
            int DISCARD = Constants.DISCARD;
            int RETAIN = Constants.RETAIN;
        }
    }
   
<xsl:apply-templates select = "document(propfile)//property[not(@type='generic')]">
   <xsl:sort select="name"/>
</xsl:apply-templates>

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

<xsl:template match="property">
  <xsl:variable name="classname">
    <xsl:choose>
      <xsl:when test="class-name">
        <xsl:value-of select="class-name"/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:call-template name="makeClassName">
          <xsl:with-param name="propstr" select="name"/>
        </xsl:call-template>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:variable>
  <xsl:variable name="bEnum">
    <xsl:call-template name="hasEnum"/>
  </xsl:variable>
  <xsl:variable name="bSubpropEnum">
    <xsl:call-template name="hasSubpropEnum"/>
  </xsl:variable>

  <xsl:if test="$bEnum='true' or contains($bSubpropEnum, 'true')">
    <!--redirect:write select="concat($classname, '.java')"-->
      <!-- Handle enumeration values -->
      <xsl:text>
    public interface </xsl:text>
      <xsl:value-of select="$classname"/>
      <xsl:if test="use-generic">
        <xsl:text> extends </xsl:text>
        <xsl:value-of select="use-generic"/>
        <xsl:text>Interface</xsl:text>
      </xsl:if>
      <xsl:text> {</xsl:text>
      <xsl:for-each select="enumeration/value">
        <xsl:text>
        int </xsl:text>
        <xsl:value-of select="@const"/>
        <xsl:text> = Constants.</xsl:text>
        <xsl:value-of select="@const"/>
        <xsl:text>;</xsl:text>
      </xsl:for-each>
      <xsl:text> }
</xsl:text>
  </xsl:if>
</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>