5 // Ben Maurer (bmaurer@users.sourceforge.net)
6 // Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
9 // (C) 2003 Atsushi Enomoto
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Collections;
35 using System.Globalization;
37 using System.Xml.XPath;
39 using Mono.Xml.Xsl.Operations;
42 using QName = System.Xml.XmlQualifiedName;
44 namespace Mono.Xml.Xsl {
45 internal class XslModedTemplateTable {
47 class TemplateWithPriority : IComparable {
48 public readonly double Priority;
49 public readonly XslTemplate Template;
50 public readonly Pattern Pattern;
51 public readonly int TemplateID;
53 public TemplateWithPriority (XslTemplate t, Pattern p)
57 Priority = p.DefaultPriority;
61 public TemplateWithPriority (XslTemplate t, double p)
69 public int CompareTo (object o)
71 TemplateWithPriority a = this,
72 b = (TemplateWithPriority)o;
74 //Debug.WriteLine (a.Pattern.ToString () + " ? " + b.Pattern.ToString ());
75 //Debug.WriteLine (a.Priority + " " + b.Priority);
77 int r0 = a.Priority.CompareTo (b.Priority);
78 //Debug.WriteLine (r0);
79 if (r0 != 0) return r0;
81 int r1 = a.TemplateID.CompareTo (b.TemplateID);
82 //Debug.WriteLine (r1);
86 public bool Matches (XPathNavigator n, XslTransformProcessor p)
88 //Debug.WriteLine (Pattern.ToString ());
89 return p.Matches (Pattern, n);
93 // [QName name]=>XslTemplate
95 ArrayList unnamedTemplates = new ArrayList ();
97 XmlQualifiedName mode;
99 public XslModedTemplateTable (XmlQualifiedName mode)
102 throw new InvalidOperationException ();
106 public XmlQualifiedName Mode {
110 public void Add (XslTemplate t)
112 if (!double.IsNaN (t.Priority))
113 unnamedTemplates.Add (new TemplateWithPriority (t, t.Priority));
118 public void Add (XslTemplate t, Pattern p)
120 if (p is UnionPattern) {
121 Add (t, ((UnionPattern)p).p0);
122 Add (t, ((UnionPattern)p).p1);
126 unnamedTemplates.Add (new TemplateWithPriority (t, p));
131 public XslTemplate FindMatch (XPathNavigator node, XslTransformProcessor p)
133 //Debug.WriteLine ("...");
135 unnamedTemplates.Sort ();
136 unnamedTemplates.Reverse ();
141 for (int i = 0; i < unnamedTemplates.Count; i++) {
142 TemplateWithPriority t = (TemplateWithPriority) unnamedTemplates [i];
143 if (t.Matches (node, p))
151 internal class XslTemplateTable {
152 // [QName mode]=>XslTemplateTable
153 Hashtable templateTables = new Hashtable ();
154 Hashtable namedTemplates = new Hashtable ();
155 XslStylesheet parent;
157 public XslTemplateTable (XslStylesheet parent)
159 this.parent = parent;
162 public Hashtable TemplateTables {
163 get { return templateTables; }
166 public XslModedTemplateTable this [XmlQualifiedName mode] {
168 return templateTables [mode] as XslModedTemplateTable;
172 public void Add (XslTemplate template)
174 if (template.Name != XmlQualifiedName.Empty) {
175 if (namedTemplates [template.Name] != null)
176 throw new InvalidOperationException ("Named template " + template.Name + " is already registered.");
178 namedTemplates [template.Name] = template;
181 if (template.Match == null) return;
183 XslModedTemplateTable tbl = this [template.Mode];
185 tbl = new XslModedTemplateTable (template.Mode);
192 public void Add (XslModedTemplateTable table)
194 if (this [table.Mode] != null)
195 throw new InvalidOperationException ("Mode " + table.Mode + " is already registered.");
196 templateTables.Add (table.Mode, table);
199 public XslTemplate FindMatch (XPathNavigator node, XmlQualifiedName mode, XslTransformProcessor p)
203 if (this [mode] != null)
205 ret = this [mode].FindMatch (node, p);
206 if (ret != null) return ret;
209 for (int i = parent.Imports.Count - 1; i >= 0; i--)
211 XslStylesheet s = (XslStylesheet)parent.Imports [i];
212 ret = s.Templates.FindMatch (node, mode, p);
220 public XslTemplate FindTemplate (XmlQualifiedName name)
222 XslTemplate ret = (XslTemplate)namedTemplates [name];
224 if (ret != null) return ret;
226 for (int i = parent.Imports.Count - 1; i >= 0; i--) {
227 XslStylesheet s = (XslStylesheet)parent.Imports [i];
228 ret = s.Templates.FindTemplate (name);
237 internal class XslTemplate
239 XmlQualifiedName name;
241 XmlQualifiedName mode;
242 double priority = double.NaN;
243 ArrayList parameters;
244 XslOperation content;
246 static int nextId = 0;
247 public readonly int Id = nextId ++;
253 public XslTemplate (Compiler c)
255 if (c == null) return; // built in template
256 this.style = c.CurrentStylesheet;
260 if (c.Input.Name == "template" &&
261 c.Input.NamespaceURI == Compiler.XsltNamespace &&
262 c.Input.MoveToAttribute ("mode", String.Empty)) {
263 c.Input.MoveToParent ();
264 if (!c.Input.MoveToAttribute ("match", String.Empty))
265 throw new XsltCompileException ("XSLT 'template' element must not have 'mode' attribute when it does not have 'match' attribute", null, c.Input);
266 c.Input.MoveToParent ();
269 if (c.Input.NamespaceURI != Compiler.XsltNamespace) {
270 this.name = QName.Empty;
271 this.match = c.CompilePattern ("/", c.Input);
272 this.mode = QName.Empty;
274 this.name = c.ParseQNameAttribute ("name");
275 this.match = c.CompilePattern (c.GetAttribute ("match"), c.Input);
276 this.mode = c.ParseQNameAttribute ("mode");
278 string pri = c.GetAttribute ("priority");
281 this.priority = double.Parse (pri, CultureInfo.InvariantCulture);
282 } catch (FormatException ex) {
283 throw new XsltException ("Invalid priority number format", ex, c.Input);
289 stackSize = c.PopScope ().VariableHighTide;
293 public XmlQualifiedName Name {
297 public Pattern Match {
303 public XmlQualifiedName Mode {
307 public double Priority {
308 get { return priority; }
311 public XslStylesheet Parent {
312 get { return style; }
315 private void Parse (Compiler c) {
316 if (c.Input.NamespaceURI != Compiler.XsltNamespace) {
317 content = c.CompileTemplateContent ();
321 if (c.Input.MoveToFirstChild ()) {
323 XPathNavigator contentStart = c.Input.Clone ();
324 bool shouldMove = false;
328 contentStart.MoveTo (c.Input);
330 if (c.Input.NodeType == XPathNodeType.Text)
331 { alldone = false; break; }
333 if (c.Input.NodeType != XPathNodeType.Element)
335 if (c.Input.NamespaceURI != Compiler.XsltNamespace)
336 { alldone = false; break; }
337 if (c.Input.LocalName != "param")
338 { alldone = false; break; }
340 if (this.parameters == null)
341 this.parameters = new ArrayList ();
343 parameters.Add (new XslLocalParam (c));
345 } while (c.Input.MoveToNext ());
347 c.Input.MoveTo (contentStart);
348 content = c.CompileTemplateContent ();
350 c.Input.MoveToParent ();
354 public virtual void Evaluate (XslTransformProcessor p, Hashtable withParams)
356 p.PushStack (stackSize);
358 if (parameters != null) {
359 if (withParams == null) {
360 int len = parameters.Count;
361 for (int i = 0; i < len; i++) {
362 XslLocalParam param = (XslLocalParam)parameters [i];
366 int len = parameters.Count;
367 for (int i = 0; i < len; i++) {
368 XslLocalParam param = (XslLocalParam)parameters [i];
369 object o = withParams [param.Name];
371 param.Override (p, o);
379 content.Evaluate (p);
383 public void Evaluate (XslTransformProcessor p)
389 internal class XslDefaultNodeTemplate : XslTemplate {
392 static XslDefaultNodeTemplate instance = new XslDefaultNodeTemplate (QName.Empty);
393 public XslDefaultNodeTemplate (QName mode) : base (null)
398 public static XslTemplate Instance {
399 get { return instance; }
402 public override void Evaluate (XslTransformProcessor p, Hashtable withParams)
404 p.ApplyTemplates (p.CurrentNode.SelectChildren (XPathNodeType.All), mode, null);
408 internal class XslEmptyTemplate : XslTemplate {
410 static XslEmptyTemplate instance = new XslEmptyTemplate ();
411 XslEmptyTemplate () : base (null) {}
413 public static XslTemplate Instance {
414 get { return instance; }
417 public override void Evaluate (XslTransformProcessor p, Hashtable withParams)
422 internal class XslDefaultTextTemplate: XslTemplate {
424 static XslDefaultTextTemplate instance = new XslDefaultTextTemplate ();
425 XslDefaultTextTemplate () : base (null) {}
427 public static XslTemplate Instance {
428 get { return instance; }
431 public override void Evaluate (XslTransformProcessor p, Hashtable withParams)
433 if (p.CurrentNode.NodeType == XPathNodeType.Whitespace) {
434 if (p.PreserveWhitespace ())
435 p.Out.WriteWhitespace (p.CurrentNode.Value);
438 p.Out.WriteString (p.CurrentNode.Value);