Make CSS processing consistent with graphic and script processing

diff --git a/slides/xsl/html/css.xsl b/slides/xsl/html/css.xsl
new file mode 100644 (file)
index 0000000..ca732dc
--- /dev/null
+++ b/slides/xsl/html/css.xsl
@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                version="1.0">
+
+<!-- ====================================================================== -->
+
+<xsl:template name="css-file">
+  <xsl:param name="css" select="'slides.css'"/>
+
+  <xsl:variable name="source.css.dir">
+    <xsl:call-template name="dbhtml-attribute">
+      <xsl:with-param name="pis" select="/processing-instruction('dbhtml')"/>
+      <xsl:with-param name="attribute" select="'css-stylesheet-dir'"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="$source.css.dir != ''">
+      <xsl:value-of select="$source.css.dir"/>
+      <xsl:text>/</xsl:text>
+    </xsl:when>
+    <xsl:when test="css.stylesheet.dir != ''">
+      <xsl:value-of select="$css.stylesheet.dir"/>
+      <xsl:text>/</xsl:text>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:text>http://docbook.sourceforge.net/release/slides/browser/</xsl:text>
+    </xsl:otherwise>
+  </xsl:choose>
+  <xsl:value-of select="$css"/>
+</xsl:template>
+
+<!-- ====================================================================== -->
+<!-- active navigation images -->
+
+<xsl:template name="css.stylesheet">
+  <!-- Danger Will Robinson: template shadows parameter -->
+  <xsl:call-template name="css-file">
+    <xsl:with-param name="image" select="$css.stylesheet"/>
+  </xsl:call-template>
+</xsl:template>
+
+<!-- ====================================================================== -->
+
+</xsl:stylesheet>