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;
36 using System.Xml.XPath;
40 using QName = System.Xml.XmlQualifiedName;
42 namespace Mono.Xml.Xsl.Operations {
43 internal class XslAttribute : XslCompiledElement {
45 string calcName, calcNs, calcPrefix;
46 XmlNamespaceManager nsm;
51 public XslAttribute (Compiler c) : base (c) {}
53 protected override void Compile (Compiler c)
55 nav = c.Input.Clone ();
57 name = c.ParseAvtAttribute ("name");
59 throw new XsltCompileException ("attribute \"name\" is required on XSLT attribute element.", null, c.Input);
60 ns = c.ParseAvtAttribute ("namespace");
62 calcName = XslAvt.AttemptPreCalc (ref name);
63 calcPrefix = String.Empty;
65 if (calcName != null) {
66 int colonAt = calcName.IndexOf (':');
67 calcPrefix = colonAt < 0 ? String.Empty : calcName.Substring (0, colonAt);
68 calcName = colonAt < 0 ? calcName : calcName.Substring (colonAt + 1, calcName.Length - colonAt - 1);
71 XmlConvert.VerifyNCName (calcName);
72 if (calcPrefix != String.Empty)
73 XmlConvert.VerifyNCName (calcPrefix);
74 } catch (XmlException ex) {
75 throw new XsltCompileException ("Invalid attribute name.", ex, c.Input);
78 if (calcPrefix != String.Empty && ns == null)
79 calcNs = nav.GetNamespace (calcPrefix);
81 calcNs = XslAvt.AttemptPreCalc (ref ns);
83 if (calcNs ==null && calcPrefix != String.Empty) {
84 string test = c.CurrentStylesheet.PrefixInEffect (calcPrefix, null);
86 string alias = c.CurrentStylesheet.NamespaceAliases [calcPrefix] as string;
88 calcNs = c.Input.GetNamespace (alias);
90 calcNs = c.Input.NamespaceURI;
94 if (ns == null && calcNs == null)
97 if (c.Input.MoveToFirstChild ()) {
98 value = c.CompileTemplateContent (XPathNodeType.Attribute);
99 c.Input.MoveToParent ();
104 public override void Evaluate (XslTransformProcessor p)
106 string nm, nmsp, prefix;
108 nm = calcName != null ? calcName : name.Evaluate (p);
109 nmsp = calcNs != null ? calcNs : ns != null ? ns.Evaluate (p) : String.Empty;
110 prefix = calcPrefix != null ? calcPrefix : String.Empty;
113 // It is an error. We must recover by not emmiting any attributes
114 // (unless we throw an exception).
117 int colonAt = nm.IndexOf (':');
120 prefix = nm.Substring (0, colonAt);
121 nm = nm.Substring (colonAt + 1, nm.Length - colonAt - 1);
125 QName q = XslNameUtil.FromString (nm, nsm);
129 nm = XslNameUtil.LocalNameOf (nm);
132 if (nmsp != String.Empty && prefix == String.Empty) {
133 if (nav.MoveToFirstNamespace (XPathNamespaceScope.ExcludeXml)) {
135 if (nav.Value == nmsp) {
139 } while (nav.MoveToNextNamespace (XPathNamespaceScope.ExcludeXml));
144 if (prefix == "xmlns")
145 prefix = String.Empty; // Should not be allowed.
147 XmlConvert.VerifyName (nm);
150 p.Out.WriteAttributeString(prefix, nm, nmsp, "");
152 StringWriter sw = new StringWriter ();
153 Outputter outputter = new TextOutputter (sw, true);
154 p.PushOutput (outputter);
158 p.Out.WriteAttributeString (prefix, nm, nmsp, sw.ToString ());