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From jo...@apache.org
Subject cvs commit: cocoon-2.1/src/blocks/midi/samples/stylesheets transpose.xsl invert.xsl
Date Tue, 19 Aug 2003 01:11:06 GMT
joerg       2003/08/18 18:11:06

  Modified:    src/blocks/midi/samples/stylesheets transpose.xsl invert.xsl
  Log:
  some optimizations either on readability or performance (hopefully a good compromise, I
hate global variables ;-) )
  
  Revision  Changes    Path
  1.2       +8 -8      cocoon-2.1/src/blocks/midi/samples/stylesheets/transpose.xsl
  
  Index: transpose.xsl
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/midi/samples/stylesheets/transpose.xsl,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- transpose.xsl	16 Aug 2003 14:37:07 -0000	1.1
  +++ transpose.xsl	19 Aug 2003 01:11:06 -0000	1.2
  @@ -1,11 +1,10 @@
   <?xml version="1.0"?>
  -<xsl:stylesheet version="1.0" 
  -	xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  +<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   
     <xsl:param name="transposition" select="0"/>
   
     <xsl:template match="NOTE_ON">
  -    <xsl:variable name="fixedTransposition">
  +    <xsl:variable name="offset">
         <xsl:choose>
           <xsl:when test="not(number($transposition) = number($transposition))">
             <xsl:message>The parameter $transposition must be a number!</xsl:message>
  @@ -16,15 +15,16 @@
           </xsl:otherwise>
         </xsl:choose>
       </xsl:variable>
  -    <xsl:variable name="offset" select="$fixedTransposition"/>
  -    <NOTE_ON PITCH="{@PITCH + $offset}" REGISTER="{@REGISTER}" VELOCITY="{@VELOCITY}">
  -        <xsl:apply-templates/>
  +    <NOTE_ON PITCH="{@PITCH + $offset}">
  +      <xsl:copy-of select="@REGISTER | @VELOCITY"/>
  +      <xsl:apply-templates/>
       </NOTE_ON>
     </xsl:template>
   
  -  <xsl:template match="node()|@*">
  +  <xsl:template match="node()">
       <xsl:copy>
  -      <xsl:apply-templates select="node()|@*"/>
  +      <xsl:copy-of select="@*"/>
  +      <xsl:apply-templates select="node()"/>
       </xsl:copy>
     </xsl:template>
   
  
  
  
  1.2       +10 -8     cocoon-2.1/src/blocks/midi/samples/stylesheets/invert.xsl
  
  Index: invert.xsl
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/midi/samples/stylesheets/invert.xsl,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- invert.xsl	16 Aug 2003 14:37:07 -0000	1.1
  +++ invert.xsl	19 Aug 2003 01:11:06 -0000	1.2
  @@ -1,18 +1,20 @@
   <?xml version="1.0"?>
  -<xsl:stylesheet version="1.0" 
  -	xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  +<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  +
  +  <xsl:variable name="notes" select="//NOTE_ON"/>
  +  <xsl:variable name="medianPitch" select="floor(sum($notes/@PITCH) div count($notes))"/>
   
     <xsl:template match="NOTE_ON">
  -    <xsl:variable name="notes" select="//NOTE_ON"/>
  -    <xsl:variable name="medianPitch" select="floor(sum($notes/@PITCH) div count($notes))"/>
  -    <NOTE_ON PITCH="{$medianPitch - (@PITCH - $medianPitch)}" REGISTER="{@REGISTER}"
VELOCITY="{@VELOCITY}">
  -      <xsl:apply-templates />
  +    <NOTE_ON PITCH="{$medianPitch * 2 - @PITCH}">
  +      <xsl:copy-of select="@REGISTER | @VELOCITY"/>
  +      <xsl:apply-templates select="node()"/>
       </NOTE_ON>
     </xsl:template>
   
  -  <xsl:template match="node()|@*">
  +  <xsl:template match="node()">
       <xsl:copy>
  -      <xsl:apply-templates select="node()|@*"/>
  +      <xsl:copy-of select="@*"/>
  +      <xsl:apply-templates select="node()"/>
       </xsl:copy>
     </xsl:template>
     
  
  
  

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