X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fstyle%2Fparams.xsl;h=2a0a252e3bb3218beefee7596a09d9542fa48373;hb=fb158d51c621e55962a6139d03cd1678cfb2e8f1;hp=034eeba978c574853e785f75d83990b596f68fbb;hpb=aa87f28d3a96456e7cec9493c6533e5c146812e8;p=helm.git

diff --git a/helm/style/params.xsl b/helm/style/params.xsl
index 034eeba97..2a0a252e3 100644
--- a/helm/style/params.xsl
+++ b/helm/style/params.xsl
@@ -1,5 +1,29 @@
 <?xml version="1.0"?>
 
+<!-- Copyright (C) 2000, HELM Team                                     -->
+<!--                                                                   -->
+<!-- This file is part of HELM, an Hypertextual, Electronic            -->
+<!-- Library of Mathematics, developed at the Computer Science         -->
+<!-- Department, University of Bologna, Italy.                         -->
+<!--                                                                   -->
+<!-- HELM is free software; you can redistribute it and/or             -->
+<!-- modify it under the terms of the GNU General Public License       -->
+<!-- as published by the Free Software Foundation; either version 2    -->
+<!-- of the License, or (at your option) any later version.            -->
+<!--                                                                   -->
+<!-- HELM 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 General Public License for more details.                      -->
+<!--                                                                   -->
+<!-- You should have received a copy of the GNU General Public License -->
+<!-- along with HELM; if not, write to the Free Software               -->
+<!-- Foundation, Inc., 59 Temple Place - Suite 330, Boston,            -->
+<!-- MA  02111-1307, USA.                                              -->
+<!--                                                                   -->
+<!-- For details, see the HELM World-Wide-Web page,                    -->
+<!-- http://cs.unibo.it/helm/.                                         -->
+
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                               xmlns:m="http://www.w3.org/1998/Math/MathML">
 
@@ -182,10 +206,168 @@
      </xsl:choose>
 </xsl:template>
 
-</xsl:stylesheet> 
 
+<!--***********************************************************************-->
+<!--  Insert a subscript if there is a number at the end of a ci element   -->
+<!--***********************************************************************-->
+
+<xsl:template name="insert_subscript">
+<xsl:param name="node_value" select="&quot;&quot;"/>
+<xsl:param name="current_pos" select="1"/>
+<xsl:param name="start_pos" select="0"/>
+    <xsl:choose>
+    <xsl:when test="$current_pos &lt;= string-length(string($node_value))">
+    <xsl:variable name="current_char"><xsl:value-of select="substring(string($node_value),$current_pos,1)"/></xsl:variable>
+     <xsl:choose>
+     <xsl:when test="(string($current_char) != &quot;0&quot;) and (string($current_char) != &quot;1&quot;) and (string($current_char) != &quot;2&quot;) and (string($current_char) != &quot;3&quot;) and (string($current_char) != &quot;4&quot;) and (string($current_char) != &quot;5&quot;) and (string($current_char) != &quot;6&quot;) and (string($current_char) !=  &quot;7&quot;) and (string($current_char) != &quot;8&quot;) and (string($current_char) != &quot;9&quot;)">
+      <xsl:choose> 
+      <xsl:when test="$start_pos != 0">
+       <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value" select="$node_value"/><xsl:with-param name="current_pos" select="$current_pos + 1"/><xsl:with-param name="start_pos" select="0"/></xsl:call-template>
+      </xsl:when> 
+      <xsl:otherwise>
+       <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value" select="$node_value"/><xsl:with-param name="current_pos" select="$current_pos + 1"/><xsl:with-param name="start_pos" select="$start_pos"/></xsl:call-template>
+      </xsl:otherwise>
+      </xsl:choose>
+     </xsl:when>
+     <xsl:otherwise>  
+      <xsl:choose>
+      <xsl:when test="$start_pos = 0">
+       <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value" select="$node_value"/><xsl:with-param name="current_pos" select="$current_pos + 1"/><xsl:with-param name="start_pos" select="$current_pos"/></xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value" select="$node_value"/><xsl:with-param name="current_pos" select="$current_pos + 1"/><xsl:with-param name="start_pos" select="$start_pos"/></xsl:call-template>
+      </xsl:otherwise>
+      </xsl:choose>      
+     </xsl:otherwise>
+     </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+     <xsl:choose>
+     <xsl:when test="$start_pos != 0">
+      <m:msub>
+       <m:mi><xsl:value-of select="substring(string($node_value),1,$start_pos -1)"/></m:mi>
+       <m:mn><xsl:value-of select="substring(string($node_value),$start_pos)"/></m:mn>
+       </m:msub>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:value-of select="$node_value"/>
+     </xsl:otherwise>
+     </xsl:choose>
+    </xsl:otherwise>    
+    </xsl:choose>
+</xsl:template>
 
 
+<!--*******************************************-->
+<!--    ABSTRACTING PARAMETERS AND COUNTING    -->
+<!--*******************************************-->
+<!-- Si dimentica i CAST dei termini che astrae. Nel caso dell'astrazione -->
+<!-- dei lambda dei pattern del CASE, qualora i lambda non si trovino     -->
+<!-- nella forma weak-head, astrae solo i lambda che trova e restituisce  -->
+<!-- un corpo depurato da tutti i primi cast che precedono il termine     -->
+<!-- restituito.                                                          -->
+
+<xsl:template match="*" mode="abstparams">
+<xsl:param name="noparams" select="0"/>
+<xsl:param name="target" select="0"/>
+<xsl:param name="binder">PROD</xsl:param>
+    <xsl:choose>
+    <xsl:when test="($noparams != 0) and ((name(.)=string($binder)) or (name(.)=&quot;CAST&quot;))">
+     <xsl:choose>
+     <xsl:when test="name(.) = string($binder)">
+      <xsl:if test="$target = 0">
+       <xsl:choose>
+       <xsl:when test="string($binder) = &quot;LAMBDA&quot;">
+        <m:ci>
+         <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="target/@binder"/></xsl:with-param></xsl:call-template>
+        </m:ci>
+       </xsl:when>
+       <xsl:otherwise> 
+        <Param name="{target/@binder}">
+         <xsl:apply-templates select="source"/>
+        </Param>
+       </xsl:otherwise>
+       </xsl:choose>
+      </xsl:if>
+      <xsl:apply-templates select="target/*[1]" mode="abstparams">
+       <xsl:with-param name="noparams" select="$noparams - 1"/>
+       <xsl:with-param name="target" select="$target"/>
+       <xsl:with-param name="binder" select="$binder"/>
+      </xsl:apply-templates>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:apply-templates select="term/*[1]" mode="abstparams">
+       <xsl:with-param name="noparams" select="$noparams"/>
+       <xsl:with-param name="target" select="$target"/>
+       <xsl:with-param name="binder" select="$binder"/>
+      </xsl:apply-templates>
+     </xsl:otherwise>
+     </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise> 
+     <xsl:choose>
+     <xsl:when test="($target = 1) and ($noparams != 0)">
+      <m:apply>
+      <m:csymbol>app</m:csymbol>
+<!-- Mancava modalita': sono qall'interno di un termine -->
+      <xsl:apply-templates select="." mode="pure"/>
+      <xsl:call-template name="printparam"><xsl:with-param name="noleft" select="$noparams"/></xsl:call-template>
+      </m:apply>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:choose>
+      <xsl:when test="$noparams != 0">
+      <xsl:call-template name="printparam"><xsl:with-param name="noleft" select="$noparams"/></xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:if test="$target = 1">
+<!-- Mancava modalita': con target=1 posso provenire sia da un oggetto che da un termine -->
+        <xsl:choose>
+        <xsl:when test="string($binder) = &quot;LAMBDA&quot;">
+         <xsl:apply-templates select="." mode="pure"/>
+        </xsl:when>
+        <xsl:otherwise>
+         <xsl:apply-templates select="."/>
+        </xsl:otherwise>
+        </xsl:choose>
+       </xsl:if>
+      </xsl:otherwise>
+      </xsl:choose>
+     </xsl:otherwise>
+     </xsl:choose>
+    </xsl:otherwise>
+    </xsl:choose>
+</xsl:template>
 
+<xsl:template name="printparam">
+<xsl:param name="noleft" select="0"/>
+<xsl:param name="number" select="1"/>
+    <xsl:if test="$noleft != 0">
+     <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value">$<xsl:value-of select="$number"/></xsl:with-param></xsl:call-template></m:ci>
+     <xsl:call-template name="printparam"><xsl:with-param name="noleft" select="$noleft - 1"/><xsl:with-param name="number" select="$number + 1"/></xsl:call-template>  
+    </xsl:if>
+</xsl:template>
 
+<xsl:template match="*" mode="counting">
+<xsl:param name="noparams" select="0"/>
+<xsl:param name="count" select="0"/>
+ <xsl:choose>
+ <xsl:when test="name(.) = &quot;PROD&quot;">
+  <xsl:apply-templates select="target/*[1]" mode="counting">
+   <xsl:with-param name="noparams" select="$noparams"/>
+   <xsl:with-param name="count" select="$count + 1"/>
+  </xsl:apply-templates>
+ </xsl:when>
+ <xsl:when test="name(.) = &quot;CAST&quot;">
+  <xsl:apply-templates select="term/*[1]" mode="counting">
+   <xsl:with-param name="noparams" select="$noparams"/>
+   <xsl:with-param name="count" select="$count"/> 
+  </xsl:apply-templates>
+ </xsl:when>
+ <xsl:otherwise>
+  <xsl:value-of select="$count - $noparams"/>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
 
+</xsl:stylesheet>