From d4b3f87770d772c266c704c3107dc78fab8fb833 Mon Sep 17 00:00:00 2001
From: Norman Walsh <ndw@nwalsh.com>
Date: Wed, 17 Sep 2003 15:00:50 +0000
Subject: [PATCH] Combine was junk; augment makes more sense.

---
 docbook/relaxng/tools/augment.xsl | 215 ++++++++++++++++++++
 docbook/relaxng/tools/combine.xsl | 316 ------------------------------
 2 files changed, 215 insertions(+), 316 deletions(-)
 create mode 100644 docbook/relaxng/tools/augment.xsl
 delete mode 100644 docbook/relaxng/tools/combine.xsl

diff --git a/docbook/relaxng/tools/augment.xsl b/docbook/relaxng/tools/augment.xsl
new file mode 100644
index 000000000..ac941d383
--- /dev/null
+++ b/docbook/relaxng/tools/augment.xsl
@@ -0,0 +1,215 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:exsl="http://exslt.org/common"
+                xmlns:rng="http://relaxng.org/ns/structure/1.0"
+                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
+                exclude-result-prefixes="exsl ctrl"
+                version="1.0">
+
+  <xsl:import href="../../../xsl/html/chunker.xsl"/>
+
+  <xsl:output method="text" encoding="utf-8" indent="yes"/>
+  <xsl:strip-space elements="*"/>
+
+  <xsl:key name="defs" match="rng:define" use="@name"/>
+
+  <xsl:param name="chunker.output.method" select="'xml'"/>
+  <xsl:param name="chunker.output.encoding" select="'utf-8'"/>
+  <xsl:param name="chunker.output.indent" select="'yes'"/>
+
+  <xsl:param name="src" select="''"/>
+
+  <xsl:template match="/">
+    <xsl:if test="$src = ''">
+      <xsl:message terminate="yes">You must specify a src.</xsl:message>
+    </xsl:if>
+
+    <xsl:variable name="rnx-doc" select="document($src, .)"/>
+    <xsl:variable name="grammar" select="exsl:node-set($rnx-doc)/rng:grammar"/>
+
+    <xsl:apply-templates select="$grammar" mode="includes">
+      <xsl:with-param name="rng"
+                      select="concat(substring-before($src, '.rnx'),'.rng')"/>
+    </xsl:apply-templates>
+  </xsl:template>
+
+  <xsl:template match="rng:grammar" priority="2">
+    <xsl:param name="rng" select="''"/>
+
+    <xsl:value-of select="$rng"/>
+    <xsl:text>&#xA;</xsl:text>
+
+    <xsl:variable name="grammar">
+      <xsl:copy>
+        <xsl:copy-of select="@*"/>
+        <xsl:for-each select="*">
+          <xsl:choose>
+            <xsl:when test="self::rng:define and rng:element[@name]">
+              <xsl:variable name="basename">
+                <xsl:choose>
+                  <xsl:when test="starts-with(@name, 'db.')">
+                    <xsl:value-of select="substring-after(@name, 'db.')"/>
+                  </xsl:when>
+                  <xsl:otherwise>
+                    <xsl:value-of select="@name"/>
+                  </xsl:otherwise>
+                </xsl:choose>
+              </xsl:variable>
+
+              <rng:define name="{$basename}.role.attrib">
+                <rng:optional>
+                  <rng:attribute name="role"/>
+                </rng:optional>
+              </rng:define>
+
+              <rng:define name="local.{$basename}.attrib">
+                <rng:empty/>
+              </rng:define>
+
+              <rng:define name="{$basename}.attlist">
+                <xsl:variable name="ctrl:common-attributes"
+                              select="//ctrl:common-attributes[@element=$basename][1]"/>
+                <xsl:variable name="ctrl:common-linking"
+                              select="//ctrl:common-linking[@element=$basename][1]"/>
+
+                <xsl:choose>
+                  <xsl:when test="$ctrl:common-attributes/@suppress">
+                    <!-- nop -->
+                  </xsl:when>
+                  <xsl:when test="$ctrl:common-attributes">
+                    <rng:ref name="{$ctrl:common-attributes/@attributes}"/>
+                  </xsl:when>
+                  <xsl:otherwise>
+                    <rng:ref name="common.attributes"/>
+                  </xsl:otherwise>
+                </xsl:choose>
+
+                <xsl:choose>
+                  <xsl:when test="$ctrl:common-linking/@suppress">
+                    <!-- nop -->
+                  </xsl:when>
+                  <xsl:when test="$ctrl:common-linking">
+                    <rng:ref name="{$ctrl:common-linking/@attributes}"/>
+                  </xsl:when>
+                  <xsl:when test="key('defs',concat($basename,'.linkend.attrib'))
+                                  or key('defs',concat($basename,'.linkends.attrib'))">
+                    <!-- no common linking attributes -->
+                  </xsl:when>
+                  <xsl:otherwise>
+                    <rng:ref name="common.linking.attributes"/>
+                  </xsl:otherwise>
+                </xsl:choose>
+
+                <rng:ref name="{$basename}.role.attrib"/>
+
+                <xsl:for-each select="/rng:grammar/rng:define[not(@combine)]">
+                  <xsl:if test="string-length(@name) &gt; 7
+                                and starts-with(@name,concat($basename,'.'))
+                                and substring(@name, string-length(@name)-6)
+                                    = '.attrib'">
+                    <rng:ref name="{@name}"/>
+                  </xsl:if>
+                </xsl:for-each>
+
+                <rng:ref name="local.{$basename}.attrib"/>
+              </rng:define>
+
+              <xsl:apply-templates select="."/>
+            </xsl:when>
+
+            <xsl:when test="self::ctrl:common-linking|self::ctrl:common-attributes">
+              <!-- suppress -->
+            </xsl:when>
+
+            <xsl:otherwise>
+              <xsl:apply-templates select="."/>
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:for-each>
+      </xsl:copy>
+    </xsl:variable>
+
+    <xsl:choose>
+      <xsl:when test="$rng != ''">
+        <xsl:call-template name="write.chunk">
+          <xsl:with-param name="filename" select="$rng"/>
+          <xsl:with-param name="content">
+            <xsl:copy-of select="$grammar"/>
+          </xsl:with-param>
+        </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:copy-of select="$grammar"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="rng:element[@name]" priority="2">
+    <xsl:variable name="basename">
+      <xsl:choose>
+        <xsl:when test="starts-with(parent::rng:define/@name, 'db.')">
+          <xsl:value-of select="substring-after(parent::rng:define/@name, 'db.')"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="parent::rng:define/@name"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <rng:ref name="{$basename}.attlist"/>
+      <xsl:apply-templates/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="rng:include">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+
+      <xsl:attribute name="href">
+        <xsl:value-of select="substring-before(@href, '.rnx')"/>
+        <xsl:text>.rng</xsl:text>
+      </xsl:attribute>
+
+      <xsl:apply-templates/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="*">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="comment()|processing-instruction()|text()">
+    <xsl:copy/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+  <!-- Includes -->
+
+  <xsl:template match="rng:grammar" mode="includes">
+    <xsl:param name="rng" select="''"/>
+
+    <xsl:apply-templates select=".">
+      <xsl:with-param name="rng" select="$rng"/>
+    </xsl:apply-templates>
+
+    <xsl:apply-templates select="//rng:include" mode="includes"/>
+  </xsl:template>
+
+  <xsl:template match="rng:include" mode="includes">
+    <xsl:variable name="rnx-doc" select="document(@href, .)"/>
+    <xsl:variable name="grammar" select="exsl:node-set($rnx-doc)/rng:grammar"/>
+
+    <xsl:apply-templates select="$grammar" mode="includes">
+      <xsl:with-param name="rng"
+                      select="concat(substring-before(@href, '.rnx'),'.rng')"/>
+    </xsl:apply-templates>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+</xsl:stylesheet>
diff --git a/docbook/relaxng/tools/combine.xsl b/docbook/relaxng/tools/combine.xsl
deleted file mode 100644
index 15c7bbc2b..000000000
--- a/docbook/relaxng/tools/combine.xsl
+++ /dev/null
@@ -1,316 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:exsl="http://exslt.org/common"
-                xmlns:rng="http://relaxng.org/ns/structure/1.0"
-                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
-                exclude-result-prefixes="exsl ctrl"
-                version="1.0">
-
-  <!-- This stylesheet does a fair bit of work.
-
-       1. It merges modules passed as a parameter into the primary grammar
-       2. It expands several elements in the ctrl: namespace
-       3. It augments the grammar with some standard constructs:
-          a. Every element gets a role attribute
-          b. Every element gets some common attributes (absent ctrl:*)
-          c. The attribute list is added to the element definition
-
-       The resulting grammar is ready for use by a validator. -->
-
-  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
-  <xsl:strip-space elements="*"/>
-
-  <xsl:key name="defs" match="rng:define" use="@name"/>
-  <xsl:key name="choice-lists" match="ctrl:choice-list" use="@name"/>
-
-  <xsl:param name="modules" select="''"/>
-
-  <xsl:template match="/">
-    <xsl:variable name="merged">
-      <xsl:apply-templates select="/" mode="include"/>
-    </xsl:variable>
-
-    <xsl:variable name="expanded">
-      <xsl:apply-templates select="exsl:node-set($merged)/rng:grammar" mode="expand"/>
-    </xsl:variable>
-
-    <xsl:message>Augmenting grammar</xsl:message>
-    <xsl:apply-templates select="exsl:node-set($expanded)/rng:grammar"/>
-  </xsl:template>
-
-  <xsl:template match="rng:grammar" priority="2">
-    <grammar xmlns="http://relaxng.org/ns/structure/1.0"
-             datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
-      <xsl:copy-of select="@*"/>
-      <xsl:for-each select="*">
-        <xsl:choose>
-          <xsl:when test="self::rng:define and rng:element[@name]">
-            <xsl:variable name="basename">
-              <xsl:choose>
-                <xsl:when test="starts-with(@name, 'db.')">
-                  <xsl:value-of select="substring-after(@name, 'db.')"/>
-                </xsl:when>
-                <xsl:otherwise>
-                  <xsl:value-of select="@name"/>
-                </xsl:otherwise>
-              </xsl:choose>
-            </xsl:variable>
-
-            <rng:define name="{$basename}.role.attrib">
-              <rng:optional>
-                <rng:attribute name="role"/>
-              </rng:optional>
-            </rng:define>
-
-            <rng:define name="local.{$basename}.attrib">
-              <rng:optional>
-                <rng:notAllowed/>
-              </rng:optional>
-            </rng:define>
-
-            <rng:define name="{$basename}.attlist">
-              <xsl:variable name="ctrl:common-attributes"
-                            select="//ctrl:common-attributes[@element=$basename][1]"/>
-              <xsl:variable name="ctrl:common-linking"
-                            select="//ctrl:common-linking[@element=$basename][1]"/>
-
-              <xsl:choose>
-                <xsl:when test="$ctrl:common-attributes/@suppress">
-                  <!-- nop -->
-                </xsl:when>
-                <xsl:when test="$ctrl:common-attributes">
-                  <rng:ref name="{$ctrl:common-attributes/@attributes}"/>
-                </xsl:when>
-                <xsl:otherwise>
-                  <rng:ref name="common.attributes"/>
-                </xsl:otherwise>
-              </xsl:choose>
-
-              <xsl:choose>
-                <xsl:when test="$ctrl:common-linking/@suppress">
-                  <!-- nop -->
-                </xsl:when>
-                <xsl:when test="$ctrl:common-linking">
-                  <rng:ref name="{$ctrl:common-linking/@attributes}"/>
-                </xsl:when>
-                <xsl:when test="key('defs',concat($basename,'.linkend.attrib'))
-                                or key('defs',concat($basename,'.linkends.attrib'))">
-                  <!-- no common linking attributes -->
-                </xsl:when>
-                <xsl:otherwise>
-                  <rng:ref name="common.linking.attributes"/>
-                </xsl:otherwise>
-              </xsl:choose>
-
-              <rng:ref name="{$basename}.role.attrib"/>
-
-              <xsl:for-each select="/rng:grammar/rng:define[not(@combine)]">
-                <xsl:if test="string-length(@name) &gt; 7
-                              and starts-with(@name,concat($basename,'.'))
-                              and substring(@name, string-length(@name)-6) = '.attrib'">
-                  <rng:ref name="{@name}"/>
-                </xsl:if>
-              </xsl:for-each>
-
-              <rng:ref name="local.{$basename}.attrib"/>
-            </rng:define>
-
-            <xsl:apply-templates select="."/>
-          </xsl:when>
-
-          <xsl:when test="self::ctrl:common-linking|self::ctrl:common-attributes">
-            <!-- suppress -->
-          </xsl:when>
-
-          <xsl:otherwise>
-            <xsl:apply-templates select="."/>
-          </xsl:otherwise>
-        </xsl:choose>
-      </xsl:for-each>
-    </grammar>
-  </xsl:template>
-
-  <xsl:template match="rng:element[@name]" priority="2">
-    <xsl:variable name="basename">
-      <xsl:choose>
-        <xsl:when test="starts-with(parent::rng:define/@name, 'db.')">
-          <xsl:value-of select="substring-after(parent::rng:define/@name, 'db.')"/>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:value-of select="parent::rng:define/@name"/>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:variable>
-
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <rng:ref name="{$basename}.attlist"/>
-      <xsl:apply-templates/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="*">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()">
-    <xsl:copy/>
-  </xsl:template>
-
-  <!-- ====================================================================== -->
-  <!-- Merge grammars -->
-
-  <xsl:template match="/" mode="include">
-    <xsl:apply-templates mode="include"/>
-  </xsl:template>
-
-  <xsl:template match="rng:grammar" priority="2" mode="include">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates mode="include"/>
-
-      <xsl:if test="$modules != ''">
-        <xsl:call-template name="merge-grammars">
-          <xsl:with-param name="modules" select="$modules"/>
-        </xsl:call-template>
-      </xsl:if>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="*" mode="include">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates mode="include"/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()" mode="include">
-    <xsl:copy/>
-  </xsl:template>
-
-  <xsl:template name="merge-grammars">
-    <xsl:param name="modules" select="''"/>
-
-    <xsl:variable name="module">
-      <xsl:choose>
-        <xsl:when test="contains($modules, ' ')">
-          <xsl:value-of select="substring-before($modules, ' ')"/>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:value-of select="$modules"/>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:variable>
-
-    <xsl:message>Loading module: <xsl:value-of select="$module"/></xsl:message>
-
-    <xsl:variable name="grammar" select="document($module, .)"/>
-    <xsl:apply-templates select="$grammar/rng:grammar/node()" mode="include"/>
-
-    <xsl:if test="contains($modules, ' ')">
-      <xsl:call-template name="merge-grammars">
-        <xsl:with-param name="modules" select="substring-after($modules, ' ')"/>
-      </xsl:call-template>
-    </xsl:if>
-  </xsl:template>
-
-  <!-- ====================================================================== -->
-  <!-- Expand ctrl: elements -->
-
-  <xsl:template match="/" mode="expand">
-    <xsl:apply-templates mode="expand"/>
-  </xsl:template>
-
-  <xsl:template match="ctrl:other-attribute" priority="2" mode="expand">
-    <xsl:message>Expanding other attribute: <xsl:value-of select="@name"/></xsl:message>
-
-    <rng:define name="{@name}.enum{@attribute-name}.attribute">
-      <rng:optional>
-        <rng:attribute name="{@attribute-name}">
-          <rng:choice>
-            <xsl:call-template name="values">
-              <xsl:with-param name="string"
-                              select="normalize-space(@attribute-values)"/>
-            </xsl:call-template>
-          </rng:choice>
-        </rng:attribute>
-      </rng:optional>
-    </rng:define>
-
-    <rng:define name="{@name}.other{@attribute-name}.attributes">
-      <rng:attribute name="{@attribute-name}">
-        <rng:value>
-          <xsl:value-of select="@other-attribute-value"/>
-        </rng:value>
-      </rng:attribute>
-      <rng:attribute name="{@other-attribute-name}">
-        <rng:text/>
-      </rng:attribute>
-    </rng:define>
-
-    <rng:define name="{@name}.{@attribute-name}.attrib">
-      <rng:choice>
-        <rng:ref name="{@name}.enum{@attribute-name}.attribute"/>
-        <rng:ref name="{@name}.other{@attribute-name}.attributes"/>
-      </rng:choice>
-    </rng:define>
-  </xsl:template>
-
-  <xsl:template match="ctrl:choice-list" priority="2" mode="expand">
-    <xsl:variable name="name" select="@name"/>
-    <xsl:if test="not(preceding::ctrl:choice-list[@name=$name])">
-      <xsl:message>Expanding choice list: <xsl:value-of select="@name"/></xsl:message>
-      <rng:define name="{$name}">
-        <rng:choice>
-          <xsl:for-each select="key('choice-lists', $name)">
-            <xsl:choose>
-              <xsl:when test="@choose = '#notAllowed'">
-                <rng:notAllowed/>
-              </xsl:when>
-              <xsl:otherwise>
-                <rng:ref name="{@choose}"/>
-              </xsl:otherwise>
-            </xsl:choose>
-          </xsl:for-each>
-        </rng:choice>
-      </rng:define>
-    </xsl:if>
-  </xsl:template>
-
-  <xsl:template match="*" mode="expand">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates mode="expand"/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()" mode="expand">
-    <xsl:copy/>
-  </xsl:template>
-
-  <xsl:template name="values">
-    <xsl:param name="string" select="''"/>
-
-    <xsl:choose>
-      <xsl:when test="contains($string, ' ')">
-        <rng:value>
-          <xsl:value-of select="substring-before($string, ' ')"/>
-        </rng:value>
-        <xsl:call-template name="values">
-          <xsl:with-param name="string" select="substring-after($string, ' ')"/>
-        </xsl:call-template>
-      </xsl:when>
-      <xsl:otherwise>
-        <rng:value>
-          <xsl:value-of select="$string"/>
-        </rng:value>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:template>
-
-  <!-- ====================================================================== -->
-
-</xsl:stylesheet>
-- 
2.40.0