3 files changed, 194 insertions, 0 deletions
diff --git a/DocBook/SCons/DocBook.py b/DocBook/SCons/DocBook.py
new file mode 100644
index 0000000..8d0b171
--- /dev/null
+++ b/DocBook/SCons/DocBook.py
@@ -0,0 +1,86 @@
+################################################################################
+# DocBook pseudobuilder
+################################################################################
+
+import SCons.Util, SCons.Action
+import xml.dom.minidom, re, os.path, sys
+
+def generate(env) :
+  # Location of stylesheets and catalogs
+  docbook_dir = "#/DocBook"
+  docbook_xsl_style_dir = env.Dir(docbook_dir + "/Stylesheets").abspath
+  docbook_xml_catalog = env.File("catalog.xml").abspath
+  docbook_xml_dir = env.Dir("#/3rdParty/DocBook/XML").abspath
+  docbook_xsl_dir = env.Dir("#/3rdParty/DocBook/XSL").abspath
+  fop_fonts_dir = env.Dir(docbook_dir + "/Fonts").abspath
+
+  # Generates a catalog from paths to external tools
+  def buildCatalog(target, source, env) :
+    catalog = """<?xml version='1.0'?>
+<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog" prefer="public">
+  <rewriteSystem 
+      systemIdStartString="http://www.oasis-open.org/docbook/xml/4.5/" 
+      rewritePrefix="%(docbook_xml_dir)s/" />
+  <rewriteSystem 
+      systemIdStartString="docbook-xsl:/" 
+      rewritePrefix="%(docbook_xsl_dir)s/" />
+</catalog>"""
+    
+    file = open(target[0].abspath, "w")
+    file.write(catalog % {
+        "docbook_xml_dir" : source[0].get_contents(),
+        "docbook_xsl_dir" : source[1].get_contents(),
+      })
+    file.close()
+
+  # Generates a FOP config file
+  def buildFopConfig(target, source, env) :
+    fopcfg = """<fop version=\"1.0\">
+  <renderers>
+    <renderer mime=\"application/pdf\">
+      <fonts>
+        <directory recursive=\"true\">%(fonts_dir)s</directory>
+      </fonts>
+    </renderer>
+  </renderers>
+</fop>"""
+
+    file = open(target[0].abspath, "w")
+    file.write(fopcfg % {
+        "fonts_dir" : source[0].get_contents()
+      })
+    file.close()
+
+  # Builds a DocBook file
+  def buildDocBook(env, source) :
+    db_env = env.Clone()
+    db_env["XMLCATALOGS"] = [docbook_xml_catalog]
+    db_env["ENV"].update({"OS" : os.environ.get("OS", "")})
+
+    # PDF generation
+    fo = db_env.XSLT(os.path.splitext(source)[0] + ".fo", source, 
+        XSLTSTYLESHEET = db_env["DOCBOOK_XSL_FO"])
+    pdf = db_env.FO(fo)
+
+    # HTML generation
+    db_env.XSLT(os.path.splitext(source)[0] + ".html", source, 
+        XSLTSTYLESHEET = db_env["DOCBOOK_XSL_HTML"])
+
+  # Import tools
+  env.Tool("FO", toolpath = [docbook_dir + "/SCons"])
+  env.Tool("XSLT", toolpath = [docbook_dir + "/SCons"])
+
+  # Catalog file generation
+  env.Command("catalog.xml", [env.Value(docbook_xml_dir), env.Value(docbook_xsl_dir)], SCons.Action.Action(buildCatalog, cmdstr = "$GENCOMSTR"))
+
+  # FO config file generation
+  env["FOCFG"] = env.File("fop.cfg").abspath
+  env.Command("fop.cfg", [env.Value(fop_fonts_dir)], SCons.Action.Action(buildFopConfig, cmdstr = "$GENCOMSTR"))
+
+  # DocBook stylesheets
+  env["DOCBOOK_XSL_FO"] = docbook_xsl_style_dir + "/fo/docbook.xsl"
+  env["DOCBOOK_XSL_HTML"] = docbook_xsl_style_dir + "/html/docbook.xsl"
+  env.AddMethod(buildDocBook, "DocBook")
+      
+def exists(env) :
+  return True
diff --git a/DocBook/SCons/FO.py b/DocBook/SCons/FO.py
new file mode 100644
index 0000000..c7596d6
--- /dev/null
+++ b/DocBook/SCons/FO.py
@@ -0,0 +1,45 @@
+import SCons.Util
+import xml.dom.minidom, re
+
+################################################################################
+# XSL-FO builder
+################################################################################
+
+def generate(env) :
+  def generate_actions(source, target, env, for_signature) :
+    if len(env["FOCFG"]) > 0 :
+      cmd = "$FO -c $FOCFG $FOFLAGS $SOURCE $TARGET"
+    else :
+      cmd = "$FO $FOFLAGS $SOURCE $TARGET"
+    return SCons.Action.Action(cmd, cmdstr = "$FOCOMSTR")
+
+  def modify_sources(target, source, env) :
+    if len(env["FOCFG"]) > 0 :
+      source.append(env["FOCFG"])
+    return target, source
+
+  def scan_fo(node, env, path) :
+    dependencies = set()
+    try :
+      document = xml.dom.minidom.parseString(node.get_contents())
+    except xml.parsers.expat.ExpatError:
+      return []
+    for include in document.getElementsByTagNameNS("http://www.w3.org/1999/XSL/Format", "external-graphic") :
+      m = re.match("url\((.*)\)", include.getAttribute("src"))
+      if m :
+        dependencies.add(m.group(1))
+    return list(dependencies)
+
+  env["FO"] = "fop"
+  env["FOFLAGS"] = ""
+  env["FOCFG"] = ""
+  env["BUILDERS"]["FO"] = SCons.Builder.Builder(
+        generator = generate_actions,
+        emitter = modify_sources,
+        source_scanner = SCons.Scanner.Scanner(function = scan_fo, skeys = [".fo"]),
+        suffix = ".pdf",
+        src_suffix = ".fo"
+      )
+
+def exists(env) :
+  return True
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