← Back to branch summary

~ubuntu-branches/ubuntu/trusty/monodevelop/trusty-proposed

« back to all changes in this revision

Viewing changes to external/nrefactory/ICSharpCode.NRefactory.Xml/AXmlElement.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

Show diffs side-by-side

added added

removed removed

Lines of Context:
external/nrefactory/ICSharpCode.NRefactory.Xml/AXmlElement.cs
 
1
// Copyright (c) 2009-2013 AlphaSierraPapa for the SharpDevelop Team
 
2
// 
 
3
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 
4
// software and associated documentation files (the "Software"), to deal in the Software
 
5
// without restriction, including without limitation the rights to use, copy, modify, merge,
 
6
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 
7
// to whom the Software is furnished to do so, subject to the following conditions:
 
8
// 
 
9
// The above copyright notice and this permission notice shall be included in all copies or
 
10
// substantial portions of the Software.
 
11
// 
 
12
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 
13
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 
14
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 
15
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
16
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 
17
// DEALINGS IN THE SOFTWARE.
 
18
 
 
19
using System;
 
20
using System.Collections.Generic;
 
21
using System.Globalization;
 
22
using System.Linq;
 
23
 
 
24
namespace ICSharpCode.NRefactory.Xml
 
25
{
 
26
        /// <summary>
 
27
        /// XML element.
 
28
        /// </summary>
 
29
        public class AXmlElement : AXmlObject
 
30
        {
 
31
                internal AXmlElement(AXmlObject parent, int startOffset, InternalElement internalObject)
 
32
                        : base(parent, startOffset, internalObject)
 
33
                {
 
34
                        Log.Assert(internalObject.NestedObjects[0] is InternalTag, "First child of element must be start tag");
 
35
                }
 
36
                
 
37
                /// <summary> No tags are missing anywhere within this element (recursive) </summary>
 
38
                public bool IsProperlyNested {
 
39
                        get { return ((InternalElement)internalObject).IsPropertyNested; }
 
40
                }
 
41
                
 
42
                /// <summary>The start or empty-element tag for this element.</summary>
 
43
                public AXmlTag StartTag {
 
44
                        get { return (AXmlTag)this.Children[0]; }
 
45
                }
 
46
                
 
47
                /// <summary>Name with namespace prefix - exactly as in source</summary>
 
48
                public string Name {
 
49
                        get { return ((InternalTag)internalObject.NestedObjects[0]).Name; }
 
50
                }
 
51
                
 
52
                /// <summary>Gets whether an end tag exists for this node.</summary>
 
53
                public bool HasEndTag {
 
54
                        get { return ((InternalElement)internalObject).HasEndTag; }
 
55
                }
 
56
                
 
57
                /// <summary> The end tag, if there is any. Returns null for empty elements "&lt;Element/>" and missing end tags in malformed XML.</summary>
 
58
                public AXmlTag EndTag {
 
59
                        get {
 
60
                                if (HasEndTag)
 
61
                                        return (AXmlTag)this.Children[this.Children.Count - 1];
 
62
                                else
 
63
                                        return null;
 
64
                        }
 
65
                }
 
66
                
 
67
                /// <summary>
 
68
                /// Gets the attributes.
 
69
                /// </summary>
 
70
                public IEnumerable<AXmlAttribute> Attributes {
 
71
                        get {
 
72
                                return ((AXmlTag)this.Children[0]).Children.OfType<AXmlAttribute>();
 
73
                        }
 
74
                }
 
75
                
 
76
                /// <summary>
 
77
                /// Gets the content (all children except for the start and end tags)
 
78
                /// </summary>
 
79
                public IEnumerable<AXmlObject> Content {
 
80
                        get {
 
81
                                int end = this.Children.Count;
 
82
                                if (HasEndTag)
 
83
                                        end--;
 
84
                                for (int i = 1; i < end; i++) {
 
85
                                        yield return this.Children[i];
 
86
                                }
 
87
                        }
 
88
                }
 
89
                
 
90
                /// <summary> The part of name before ":" </summary>
 
91
                /// <returns> Empty string if not found </returns>
 
92
                public string Prefix {
 
93
                        get { return ((InternalElement)internalObject).Prefix; }
 
94
                }
 
95
                
 
96
                /// <summary> The part of name after ":" </summary>
 
97
                /// <returns> Empty string if not found </returns>
 
98
                public string LocalName {
 
99
                        get { return ((InternalElement)internalObject).LocalName; }
 
100
                }
 
101
                
 
102
                /// <summary> Resolved namespace of the name </summary>
 
103
                /// <returns> Empty string if prefix is not found </returns>
 
104
                public string Namespace {
 
105
                        get {
 
106
                                string prefix = this.Prefix;
 
107
                                return ResolvePrefix(prefix);
 
108
                        }
 
109
                }
 
110
                
 
111
                /// <summary> Find the defualt namespace for this context </summary>
 
112
                public string FindDefaultNamespace()
 
113
                {
 
114
                        return ResolvePrefix(string.Empty);
 
115
                }
 
116
                
 
117
                /// <summary>
 
118
                /// Recursively resolve given prefix in this context.  Prefix must have some value.
 
119
                /// </summary>
 
120
                /// <returns> Empty string if prefix is not found </returns>
 
121
                public string ResolvePrefix(string prefix)
 
122
                {
 
123
                        if (prefix == null)
 
124
                                throw new ArgumentNullException("prefix");
 
125
                        
 
126
                        // Implicit namesapces
 
127
                        if (prefix == "xml") return XmlNamespace;
 
128
                        if (prefix == "xmlns") return XmlnsNamespace;
 
129
                        
 
130
                        string lookFor = (prefix.Length > 0 ? "xmlns:" + prefix : "xmlns");
 
131
                        for (AXmlElement current = this; current != null; current = current.Parent as AXmlElement) {
 
132
                                foreach (var attr in current.Attributes) {
 
133
                                        if (attr.Name == lookFor)
 
134
                                                return attr.Value;
 
135
                                }
 
136
                        }
 
137
                        return NoNamespace; // Can not find prefix
 
138
                }
 
139
                
 
140
                /// <summary>
 
141
                /// Get unquoted value of attribute.
 
142
                /// It looks in the no namespace (empty string).
 
143
                /// </summary>
 
144
                /// <returns>Null if not found</returns>
 
145
                public string GetAttributeValue(string localName)
 
146
                {
 
147
                        return GetAttributeValue(NoNamespace, localName);
 
148
                }
 
149
                
 
150
                /// <summary>
 
151
                /// Get unquoted value of attribute
 
152
                /// </summary>
 
153
                /// <param name="namespace">Namespace.  Can be no namepace (empty string), which is the default for attributes.</param>
 
154
                /// <param name="localName">Local name - text after ":"</param>
 
155
                /// <returns>Null if not found</returns>
 
156
                public string GetAttributeValue(string @namespace, string localName)
 
157
                {
 
158
                        @namespace = @namespace ?? string.Empty;
 
159
                        foreach (AXmlAttribute attr in this.Attributes) {
 
160
                                if (attr.LocalName == localName && attr.Namespace == @namespace)
 
161
                                        return attr.Value;
 
162
                        }
 
163
                        return null;
 
164
                }
 
165
                
 
166
                /// <inheritdoc/>
 
167
                public override void AcceptVisitor(AXmlVisitor visitor)
 
168
                {
 
169
                        visitor.VisitElement(this);
 
170
                }
 
171
                
 
172
                /// <inheritdoc/>
 
173
                public override string ToString()
 
174
                {
 
175
                        return string.Format(CultureInfo.InvariantCulture, "[{0} '{1}' Attr:{2} Chld:{3} Nest:{4}]", base.ToString(), this.Name, this.StartTag.Children.Count, this.Children.Count, this.IsProperlyNested ? "Ok" : "Bad");
 
176
                }
 
177
        }
 
178
}