X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fstyle%2Fmmlextension.xsl;h=86675e553e48abf02c18c78ecf1043341445b65f;hb=083c36a4acd76127530b9af3d4c6c311f447d79b;hp=a22dc0dd332d56fcc2c4fcf3ee480792d3017c03;hpb=7ab23379f84c1b1b999a359830d333fc2925bb58;p=helm.git

diff --git a/helm/style/mmlextension.xsl b/helm/style/mmlextension.xsl
index a22dc0dd3..86675e553 100644
--- a/helm/style/mmlextension.xsl
+++ b/helm/style/mmlextension.xsl
@@ -383,6 +383,7 @@
 <!-- CSYMBOL -->
 
 <xsl:template match="m:apply[m:csymbol]">
+<xsl:param name="nopar" select="0"/>
     <xsl:variable name="name"><xsl:value-of select="m:csymbol"/></xsl:variable>
     <xsl:variable name="charlength"><xsl:apply-templates select="m:csymbol" mode="charcount"/></xsl:variable>
     <m:mrow>
@@ -500,7 +501,9 @@
          <m:mtr>
           <m:mtd>
            <m:mrow>
-            <m:mo stretchy="false">(</m:mo>
+            <xsl:if test="$nopar=0">
+             <m:mo stretchy="false">(</m:mo>
+            </xsl:if>
             <xsl:apply-templates select="*[position()=2]"/>
            </m:mrow>
           </m:mtd>
@@ -509,10 +512,26 @@
           <m:mtd>
            <m:mrow>
             <m:mo mathmathcolor="Blue">&#x2192;</m:mo>
-            <xsl:apply-templates select="*[position()=3]"/>
+            <xsl:choose>
+            <xsl:when test="*[position()=3]/m:csymbol">
+             <xsl:variable name="nextp"><xsl:value-of select="*[position()=3]/m:csymbol"/></xsl:variable>
+             <xsl:choose>
+             <xsl:when test="$nextp='arrow'">
+              <xsl:apply-templates select="*[position()=3]"><xsl:with-param name="nopar" select="1"/></xsl:apply-templates>
+             </xsl:when>
+             <xsl:otherwise>
+              <xsl:apply-templates select="*[position()=3]"/>
+             </xsl:otherwise>
+             </xsl:choose>
+            </xsl:when>
+            <xsl:otherwise>
+             <xsl:apply-templates select="*[position()=3]"/>
+            </xsl:otherwise>
+            </xsl:choose>
            </m:mrow>
           </m:mtd>
          </m:mtr>
+         <xsl:if test="$nopar=0">
          <m:mtr>
           <m:mtd>
            <m:mrow>
@@ -520,14 +539,34 @@
            </m:mrow>
           </m:mtd>
          </m:mtr>
+         </xsl:if>
         </m:mtable>
        </xsl:when>
        <xsl:otherwise>
-        <m:mo stretchy="false">(</m:mo>
+        <xsl:if test="$nopar=0">
+         <m:mo stretchy="false">(</m:mo>
+        </xsl:if>
         <xsl:apply-templates select="*[position()=2]"/>
         <m:mo mathcolor="Blue">&#x2192;</m:mo>
-        <xsl:apply-templates select="*[position()=3]"/>
-        <m:mo stretchy="false">)</m:mo>
+        <xsl:choose>
+        <xsl:when test="*[position()=3]/m:csymbol">
+         <xsl:variable name="nextp"><xsl:value-of select="*[position()=3]/m:csymbol"/></xsl:variable>
+         <xsl:choose>
+         <xsl:when test="$nextp='arrow'">
+          <xsl:apply-templates select="*[position()=3]"><xsl:with-param name="nopar" select="1"/></xsl:apply-templates>
+         </xsl:when>
+         <xsl:otherwise>
+          <xsl:apply-templates select="*[position()=3]"/>
+         </xsl:otherwise>
+         </xsl:choose>
+        </xsl:when>
+        <xsl:otherwise>
+         <xsl:apply-templates select="*[position()=3]"/>
+        </xsl:otherwise>
+        </xsl:choose>
+        <xsl:if test="$nopar=0">
+         <m:mo stretchy="false">)</m:mo>
+        </xsl:if>
        </xsl:otherwise>
        </xsl:choose>
       </xsl:when>
@@ -924,6 +963,24 @@
          </m:mtr>
         </m:mtable>
       </xsl:when>
+      <xsl:when test="$name='letin1'">
+        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <xsl:apply-templates select="*[2]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <xsl:apply-templates select="*[3]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+        </m:mtable>
+      </xsl:when>
       <xsl:when test="$name='letin'">
         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
          <!-- <xsl:for-each select="APPLY[m:csymbol and (string(m:csymbol)='let')]"> -->
@@ -951,55 +1008,111 @@
        <m:mtext>) </m:mtext>
        <xsl:apply-templates select="*[3]"/>
       </xsl:when>
-      <xsl:when test="$name='thread'">
+      <xsl:when test="$name='rw_step'">
         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
          <m:mtr>
           <m:mtd>
            <m:mrow>
             <xsl:choose>
-             <xsl:when test="name(*[last()])='m:apply'">
-              <xsl:apply-templates select="*[last()]"/>
+             <xsl:when test="name(*[2])='m:apply'">
+              <xsl:apply-templates select="*[2]"/>
              </xsl:when>
              <xsl:otherwise>
-              <m:mtext>Consider </m:mtext>
-              <xsl:apply-templates select="*[last()]"/>
+              <m:mtext>Consider</m:mtext>
+              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+              <xsl:apply-templates select="*[2]"/>
              </xsl:otherwise>
             </xsl:choose>
            </m:mrow>
           </m:mtd>
          </m:mtr>
-	 <xsl:apply-templates mode="thread" select="*[(last()-2)]"/> 
-        </m:mtable>
-      </xsl:when> 
-      <xsl:when test="$name='rewrite_and_apply'">
-        <m:mtable>
          <m:mtr>
           <m:mtd>
            <m:mrow>
             <m:mtext>Rewrite</m:mtext>
             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[2]/*[2]"/>
+            <xsl:apply-templates select="*[3]"/>
 	    <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
 	    <m:mtext>with</m:mtext>
             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[2]/*[3]"/>
+            <xsl:apply-templates select="*[4]"/>
             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
             <m:mtext>by</m:mtext>
             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[2]/*[4]"/>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <m:mtext>in</m:mtext>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[3]"/>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <m:mtext>and apply to</m:mtext>
+            <xsl:apply-templates select="*[5]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+        </m:mtable>
+      </xsl:when>
+      <xsl:when test="$name='thread'">
+        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <xsl:choose>
+             <xsl:when test="name(*[last()])='m:apply'">
+              <xsl:apply-templates select="*[last()]"/>
+             </xsl:when>
+             <xsl:otherwise>
+              <m:mtext>Consider</m:mtext>
+              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+              <xsl:apply-templates select="*[last()]"/>
+             </xsl:otherwise>
+            </xsl:choose>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+	 <xsl:apply-templates mode="thread" select="*[(last()-2)]"/> 
+        </m:mtable>
+      </xsl:when> 
+      <xsl:when test="$name='rewrite_and_apply'">
+        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <xsl:apply-templates select="*[2]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <m:mtext>Then apply it to</m:mtext>
             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[position()>3]"/>
+            <xsl:apply-templates select="*[position()>2]"/>
            </m:mrow>
           </m:mtd>
          </m:mtr>
        </m:mtable>
-      </xsl:when> 
+      </xsl:when>
+      <!-- NAT_IND -->
+      <xsl:when test="$name='nat_ind'">
+        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+         <m:mtr>
+          <m:mtd>
+           <m:mtext>By induction</m:mtext>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <m:mtext>base case:</m:mtext>
+            <xsl:apply-templates select="*[2]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <m:mtext>inductive case:</m:mtext>
+            <xsl:apply-templates select="*[3]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+        </m:mtable>
+      </xsl:when>
+      <!-- AND_IND -->
       <xsl:when test="$name='and_ind'">
         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
          <m:mtr>
@@ -1010,7 +1123,8 @@
               <xsl:apply-templates select="*[2]"/>
              </xsl:when>
              <xsl:otherwise>
-              <m:mtext>Consider </m:mtext>
+              <m:mtext>Consider</m:mtext>
+              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
               <xsl:apply-templates select="*[2]"/>
              </xsl:otherwise>
             </xsl:choose>
@@ -1108,7 +1222,8 @@
               <xsl:apply-templates select="*[2]"/>
              </xsl:when>
              <xsl:otherwise>
-              <m:mtext>Consider </m:mtext>
+              <m:mtext>Consider</m:mtext>
+              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
               <xsl:apply-templates select="*[2]"/>
              </xsl:otherwise>
             </xsl:choose>
@@ -1148,6 +1263,7 @@
     </m:mrow>
 </xsl:template>
 
+<!-- Il modo Thread non esiste piu' 
 <xsl:template match="*" mode="thread">
  <xsl:variable name="name"><xsl:value-of select="following-sibling::*[position()=1]/m:csymbol"/></xsl:variable>
  <xsl:choose>
@@ -1200,7 +1316,7 @@
    </xsl:choose>
          <xsl:apply-templates mode="thread" select="preceding-sibling::*[position()=2]"/>
 </xsl:template>
-
+-->
 
 <!-- LAMBDA -->
 
@@ -1530,7 +1646,7 @@
      <xsl:otherwise>
       <xsl:value-of select="number($siblength)"/>
      </xsl:otherwise>
-     </xsl:choose>>
+     </xsl:choose>
     </xsl:when>
     <xsl:otherwise>
      <xsl:value-of select="number($childlength)"/>
@@ -1543,3 +1659,4 @@
 </xsl:stylesheet> 
 
 
+