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//
// XslStylesheet.cs
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
// Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
//
// (C) 2003 Ben Maurer
// (C) 2003 Atsushi Enomoto
//
using System;
using System.CodeDom;
using System.Collections;
using System.Collections.Specialized;
using System.Xml;
using System.Xml.Schema;
using System.Xml.XPath;
using System.Xml.Xsl;
using System.IO;
using Mono.Xml.Xsl.Operations;
using QName = System.Xml.XmlQualifiedName;
namespace Mono.Xml.Xsl {
public class XslStylesheet {
public const string XsltNamespace = "http://www.w3.org/1999/XSL/Transform";
public const string MSXsltNamespace = "urn:schemas-microsoft-com:xslt::script";
Compiler c;
XslStylesheet importer;
// Top-level elements
ArrayList imports = new ArrayList ();
// [QName]=>XmlSpace
Hashtable spaceControls = new Hashtable ();
// [string stylesheet-prefix]=>string result-prefix
Hashtable namespaceAliases = new Hashtable ();
// [QName]=>XslDecimalFormat
Hashtable decimalFormats = new Hashtable ();
// [QName]=>XmlSpace
Hashtable parameters = new Hashtable ();
// [string href]=>XslOutput
Hashtable outputs = new Hashtable ();
MSXslScriptManager msScripts = new MSXslScriptManager ();
XslTemplateTable templates;
// stylesheet attributes
string version;
XmlQualifiedName [] extensionElementPrefixes;
XmlQualifiedName [] excludeResultPrefixes;
// below are newly introduced in XSLT 2.0
// elements::
// xsl:import-schema should be interpreted into it.
XmlSchemaCollection schemas = new XmlSchemaCollection ();
// [QName]=>XslCharacterMap
Hashtable characterMap = new Hashtable ();
// [QName]=>XslDateFormat
Hashtable dateFormats = new Hashtable ();
// [QName]=>XslFunction
Hashtable functions = new Hashtable ();
// [QName]=>XslSortKey
Hashtable sortKeys = new Hashtable ();
// attributes::
string xpathDefaultNamespace = "";
XslDefaultValidation defaultValidation = XslDefaultValidation.Lax;
public ArrayList Imports {
get { return imports; }
}
public Hashtable SpaceControls {
get { return spaceControls; }
}
public Hashtable NamespaceAliases {
get { return namespaceAliases; }
}
public Hashtable DecimalFormats {
get { return decimalFormats; }
}
public Hashtable Parameters {
get { return parameters; }
}
public Hashtable Outputs {
get { return outputs; }
}
public MSXslScriptManager ScriptManager{
get { return msScripts; }
}
public XslTemplateTable Templates {
get { return templates; }
}
public XslStylesheet (Compiler c)
{
this.c = c;
c.PushStylesheet (this);
templates = new XslTemplateTable (this);
if (c.Input.NamespaceURI != XsltNamespace) {
// then it is simplified stylesheet.
Templates.Add (new XslTemplate (c));
} else {
version = c.Input.GetAttribute ("version", "");
extensionElementPrefixes = c.ParseQNameListAttribute ("extension-element-prefixes");
excludeResultPrefixes = c.ParseQNameListAttribute ("exclude-result-prefixes");
ProcessTopLevelElements ();
}
c.PopStylesheet ();
}
private XslStylesheet (Compiler c, XslStylesheet importer) : this (c)
{
this.importer = importer;
}
private void HandleInclude (string href)
{
c.PushInputDocument (href);
ProcessTopLevelElements ();
c.PopInputDocument ();
}
private void HandleImport (string href)
{
c.PushInputDocument (href);
imports.Add (new XslStylesheet (c, this));
c.PopInputDocument ();
}
private void HandleTopLevelElement ()
{
XPathNavigator n = c.Input;
switch (n.NamespaceURI)
{
case XsltNamespace:
switch (n.LocalName)
{
case "include":
HandleInclude (c.GetAttribute ("href"));
break;
case "import":
HandleImport (c.GetAttribute ("href"));
break;
case "preserve-space":
AddSpaceControls (c.ParseQNameListAttribute ("elements"), XmlSpace.Preserve, n);
break;
case "strip-space":
AddSpaceControls (c.ParseQNameListAttribute ("elements"), XmlSpace.Default, n);
break;
case "namespace-alias":
namespaceAliases.Add (c.GetAttribute ("stylesheet-prefix", ""), c.GetAttribute ("result-prefix", ""));
break;
case "attribute-set":
c.AddAttributeSet (new XslAttributeSet (c));
break;
case "key":
c.AddKeyPattern (new XslKey (c));
break;
case "output":
string uri = n.GetAttribute ("href", "");
XslOutput output = outputs [uri] as XslOutput;
if (output == null) {
output = new XslOutput (uri);
outputs.Add (uri, output);
}
output.Fill (n);
break;
case "template":
templates.Add (new XslTemplate (c));
break;
case "variable":
c.AddGlobalVariable (new XslGlobalVariable (c));
break;
case "param":
c.AddGlobalVariable (new XslGlobalParam (c));
break;
}
break;
case MSXsltNamespace:
switch (n.LocalName)
{
case "script":
msScripts.AddScript (n);
break;
}
break;
}
}
private void ProcessTopLevelElements ()
{
if (c.Input.MoveToFirstChild ()) {
do {
if (c.Input.NodeType == XPathNodeType.Element) {
Debug.EnterNavigator (c);
this.HandleTopLevelElement();
Debug.ExitNavigator (c);
}
} while (c.Input.MoveToNext ());
c.Input.MoveToParent ();
}
}
private void AddSpaceControls (QName [] names, XmlSpace result, XPathNavigator styleElem)
{
foreach (QName name in names)
spaceControls.Add (name, result);
}
}
public enum XslDefaultValidation
{
Strict,
Lax,
Preserve,
Strip
}
}
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