// (C) 2003 Atsushi Enomoto
//
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System;
-using System.CodeDom;
using System.Collections;
using System.Collections.Specialized;
using System.Xml;
namespace Mono.Xml.Xsl {
- public class XslStylesheet {
+ internal class XslStylesheet {
public const string XsltNamespace = "http://www.w3.org/1999/XSL/Transform";
public const string MSXsltNamespace = "urn:schemas-microsoft-com:xslt";
-
- Compiler c;
- XslStylesheet importer;
// Top-level elements
ArrayList imports = new ArrayList ();
// [QName]=>XmlSpace
XmlQualifiedName [] excludeResultPrefixes;
ArrayList stylesheetNamespaces = new ArrayList ();
- // 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 string BaseUri {
- get { return c.Input.BaseURI; }
- }
-
public XmlQualifiedName [] ExtensionElementPrefixes {
get { return extensionElementPrefixes; }
}
get { return parameters; }
}
- public XPathNavigator StyleDocument {
- get { return c.Input; }
- }
-
public XslTemplateTable Templates {
get { return templates; }
}
public XslStylesheet (Compiler c)
{
- this.c = c;
c.PushStylesheet (this);
templates = new XslTemplateTable (this);
+
+ // move to root element
+ while (c.Input.NodeType != XPathNodeType.Element)
+ if (!c.Input.MoveToNext ())
+ throw new XsltCompileException ("Stylesheet root element must be either \"stylesheet\" or \"transform\" or any literal element.", null, c.Input);
+
if (c.Input.NamespaceURI != XsltNamespace) {
+ if (c.Input.GetAttribute ("version", XsltNamespace) == String.Empty)
+ throw new XsltCompileException ("Mandatory global attribute version is missing.", null, c.Input);
// then it is simplified stylesheet.
Templates.Add (new XslTemplate (c));
} else {
+ if (c.Input.LocalName != "stylesheet" &&
+ c.Input.LocalName != "transform")
+ throw new XsltCompileException ("Stylesheet root element must be either \"stylesheet\" or \"transform\" or any literal element.", null, c.Input);
+
version = c.Input.GetAttribute ("version", "");
- extensionElementPrefixes = c.ParseQNameListAttribute ("extension-element-prefixes");
- excludeResultPrefixes = c.ParseQNameListAttribute ("exclude-result-prefixes");
+ if (version == String.Empty)
+ throw new XsltCompileException ("Mandatory attribute version is missing.", null, c.Input);
+
+ extensionElementPrefixes = ParseMappedPrefixes (c.GetAttribute ("extension-element-prefixes"), c.Input);
+ excludeResultPrefixes = ParseMappedPrefixes (c.GetAttribute ("exclude-result-prefixes"), c.Input);
if (c.Input.MoveToFirstNamespace (XPathNamespaceScope.Local)) {
do {
if (c.Input.Value == XsltNamespace)
} while (c.Input.MoveToNextNamespace (XPathNamespaceScope.Local));
c.Input.MoveToParent ();
}
- ProcessTopLevelElements ();
+ ProcessTopLevelElements (c);
}
c.PopStylesheet ();
}
-
+
+ private QName [] ParseMappedPrefixes (string list, XPathNavigator nav)
+ {
+ if (list == null)
+ return null;
+ ArrayList al = new ArrayList ();
+ foreach (string entry in list.Split (XmlChar.WhitespaceChars)) {
+ if (entry.Length == 0)
+ continue;
+ if (entry == "#default")
+ al.Add (new QName (String.Empty, String.Empty));
+ else {
+ string entryNS = nav.GetNamespace (entry);
+ if (entryNS != String.Empty)
+ al.Add (new QName (entry, entryNS));
+ }
+ }
+ return (QName []) al.ToArray (typeof (QName));
+ }
+
public XslKey FindKey (QName name)
{
XslKey key = Keys [name] as XslKey;
XmlQualifiedName qname = new XmlQualifiedName (localName, ns);
object o = spaceControls [qname];
if (o == null) {
- foreach (XslStylesheet s in imports) {
- o = s.SpaceControls [qname];
+
+ for (int i = 0; i < imports.Count; i++) {
+ o = ((XslStylesheet) imports [i]).SpaceControls [qname];
if (o != null)
break;
}
qname = new XmlQualifiedName ("*", ns);
o = spaceControls [qname];
if (o == null) {
- foreach (XslStylesheet s in imports) {
- o = s.SpaceControls [qname];
+ for (int i = 0; i < imports.Count; i++) {
+ o = ((XslStylesheet) imports [i]).SpaceControls [qname];
if (o != null)
break;
}
qname = new XmlQualifiedName ("*", String.Empty);
o = spaceControls [qname];
if (o == null) {
- foreach (XslStylesheet s in imports) {
- o = s.SpaceControls [qname];
+ for (int i = 0; i < imports.Count; i++) {
+ o = ((XslStylesheet) imports [i]).SpaceControls [qname];
if (o != null)
break;
}
}
if (o != null) {
- XmlSpace space = (XmlSpace) o;
switch ((XmlSpace) o) {
case XmlSpace.Preserve:
return true;
string result = namespaceAliases [prefix];
if (result == null) {
- foreach (XslStylesheet s in imports) {
- result = s.namespaceAliases [prefix];
+ for (int i = 0; i < imports.Count; i++) {
+ result = ((XslStylesheet) imports [i]).namespaceAliases [prefix];
if (result != null)
break;
}
private XslStylesheet (Compiler c, XslStylesheet importer) : this (c)
{
- this.importer = importer;
+// this.importer = importer;
}
- private void HandleInclude (string href)
+ private void HandleInclude (Compiler c, string href)
{
c.PushInputDocument (href);
- ProcessTopLevelElements ();
+
+ // move to root element
+ while (c.Input.NodeType != XPathNodeType.Element)
+ if (!c.Input.MoveToNext ())
+ throw new XsltCompileException ("Stylesheet root element must be either \"stylesheet\" or \"transform\" or any literal element.", null, c.Input);
+
+ if (c.Input.NamespaceURI != XsltNamespace) {
+ if (c.Input.GetAttribute ("version", XsltNamespace) == String.Empty)
+ throw new XsltCompileException ("Mandatory global attribute version is missing.", null, c.Input);
+ // then it is simplified stylesheet.
+ Templates.Add (new XslTemplate (c));
+ }
+ else
+ ProcessTopLevelElements (c);
+
c.PopInputDocument ();
}
- private void HandleImport (string href)
+ private void HandleImport (Compiler c, string href)
{
c.PushInputDocument (href);
imports.Add (new XslStylesheet (c, this));
c.PopInputDocument ();
}
- private void HandleTopLevelElement ()
+ private void HandleTopLevelElement (Compiler c)
{
XPathNavigator n = c.Input;
switch (n.NamespaceURI)
switch (n.LocalName)
{
case "include":
- HandleInclude (c.GetAttribute ("href"));
+ HandleInclude (c, c.GetAttribute ("href"));
break;
case "import":
- HandleImport (c.GetAttribute ("href"));
+ HandleImport (c, c.GetAttribute ("href"));
break;
case "preserve-space":
AddSpaceControls (c.ParseQNameListAttribute ("elements"), XmlSpace.Preserve, n);
case "strip-space":
AddSpaceControls (c.ParseQNameListAttribute ("elements"), XmlSpace.Default, n);
break;
-
case "namespace-alias":
- namespaceAliases.Add ((string) c.GetAttribute ("stylesheet-prefix", ""), (string) c.GetAttribute ("result-prefix", ""));
+ // do nothing. It is handled in prior.
break;
case "attribute-set":
break;
case "key":
- keys.Add (c.ParseQNameAttribute ("name"), new XslKey (c));
+ keys [c.ParseQNameAttribute ("name")] = new XslKey (c);
break;
case "output":
}
}
- private void ProcessTopLevelElements ()
+ private void ProcessTopLevelElements (Compiler c)
{
- 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 ();
- }
+ if (!c.Input.MoveToFirstChild ())
+ return;
+ do {
+ // Collect namespace aliases first.
+ if (c.Input.NodeType != XPathNodeType.Element ||
+ c.Input.LocalName != "namespace-alias" ||
+ c.Input.NamespaceURI != XsltNamespace)
+ continue;
+ string sprefix = (string) c.GetAttribute ("stylesheet-prefix", "");
+ if (sprefix == "#default")
+ sprefix = String.Empty;
+ string rprefix= (string) c.GetAttribute ("result-prefix", "");
+ if (rprefix == "#default")
+ rprefix = String.Empty;
+ namespaceAliases.Set (sprefix, rprefix);
+ } while (c.Input.MoveToNext ());
+
+ c.Input.MoveToFirst ();
+ do {
+ if (c.Input.NodeType != XPathNodeType.Element)
+ continue;
+ Debug.EnterNavigator (c);
+ this.HandleTopLevelElement (c);
+ 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 [name] = result;
}
-
- public string PrefixInEffect (string prefix, ArrayList additionalExcluded)
- {
- if (additionalExcluded != null && additionalExcluded.Contains (prefix == String.Empty ? "#default" : prefix))
- return null;
- if (prefix == "#default")
- prefix = String.Empty;
-
- if (ExcludeResultPrefixes != null) {
- bool exclude = false;
- foreach (XmlQualifiedName exc in ExcludeResultPrefixes)
- if (exc.Name == "#default" && prefix == String.Empty || exc.Name == prefix) {
- exclude = true;
- break;
- }
- if (exclude)
- return null;
- }
-
- if (ExtensionElementPrefixes != null) {
- bool exclude = false;
- foreach (XmlQualifiedName exc in ExtensionElementPrefixes)
- if (exc.Name == "#default" && prefix == String.Empty || exc.Name == prefix) {
- exclude = true;
- break;
- }
- if (exclude)
- return null;
- }
-
- return GetActualPrefix (prefix);
- }
- }
-
-
- public enum XslDefaultValidation
- {
- Strict,
- Lax,
- Preserve,
- Strip
}
}
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