1 files changed, 63 insertions, 0 deletions
diff --git a/DocBook/SCons/XSLT.py b/DocBook/SCons/XSLT.py
new file mode 100644
index 0000000..83b5ec2
--- /dev/null
+++ b/DocBook/SCons/XSLT.py
@@ -0,0 +1,63 @@
+import SCons.Util
+import xml.dom.minidom, os, os.path
+
+################################################################################
+# XSLT processor
+################################################################################
+
+def generate(env) :
+  def generate_actions(source, target, env, for_signature) :
+    if not env.has_key("XSLTSTYLESHEET") :
+      raise SCons.Errors.UserError, "The XSLTSTYLESHEET construction variable must be defined"
+
+    # Process the XML catalog files
+    # FIXME: It's probably not clean to do an ENV assignment globally
+    env["ENV"]["XML_CATALOG_FILES"] = " ".join(env.get("XMLCATALOGS", ""))
+
+    # Build the XMLLint command
+    xmllintcmd = ["$XMLLINT", "--nonet", "--xinclude", "--postvalid", "--noout", "$SOURCE"]
+
+    # Build the XSLT command
+    xsltcmd = ["$XSLT", "--nonet", "--xinclude"]
+    for (param, value) in env["XSLTPARAMS"] :
+      xsltcmd += ["--stringparam", param, value]
+    xsltcmd += ["-o", "$TARGET", "$XSLTSTYLESHEET", "$SOURCE"]
+
+    return [
+      SCons.Action.Action([xmllintcmd], cmdstr = "$XMLLINTCOMSTR"),
+      SCons.Action.Action([xsltcmd], cmdstr = "$XSLTCOMSTR")]
+
+  def modify_sources(target, source, env) :
+    if len(env["FOCFG"]) > 0 :
+      source.append(env["FOCFG"])
+    source.append(env.get("XMLCATALOGS", []))
+    return target, source
+
+  def scan_xml(node, env, path) :
+    dependencies = set()
+    nodes = [node]
+    while len(nodes) > 0 :
+      node = nodes.pop()
+      try :
+        document = xml.dom.minidom.parseString(node.get_contents())
+      except xml.parsers.expat.ExpatError:
+        continue
+      for include in document.getElementsByTagNameNS("http://www.w3.org/2001/XInclude", "include") :
+        include_file = include.getAttribute("href")
+        dependencies.add(include_file)
+        if include.getAttribute("parse") != "text" :
+          nodes.append(env.File(include_file))
+    return list(dependencies)
+
+  env["XMLLINT"] = "xmllint"
+  env["XSLT"] = "xsltproc"
+  env["XSLTPARAMS"] = []
+  env["BUILDERS"]["XSLT"] = SCons.Builder.Builder(
+        generator = generate_actions,
+        emitter = modify_sources,
+        source_scanner = SCons.Scanner.Scanner(function = scan_xml),
+        src_suffix = ".xml"
+      )
+
+def exists(env) :
+  return True