wasStitchNET – Diff between revs 7 and 8

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1 /////////////////////////////////////////////////////////////////////////// 1 ///////////////////////////////////////////////////////////////////////////
2 // Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 // 2 // Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 //
3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // 3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
4 // rights of fair usage, the disclaimer and warranty conditions. // 4 // rights of fair usage, the disclaimer and warranty conditions. //
5 /////////////////////////////////////////////////////////////////////////// 5 ///////////////////////////////////////////////////////////////////////////
6 // Based on: https://seattlesoftware.wordpress.com/2009/03/13/get-the-xpath-to-an-xml-element-xelement/ 6 // Based on: https://seattlesoftware.wordpress.com/2009/03/13/get-the-xpath-to-an-xml-element-xelement/
-   7  
7 using System; 8 using System;
8 using System.Collections.Generic; -  
9 using System.Linq; 9 using System.Linq;
10 using System.Text; -  
11 using System.Reflection; -  
12 using System.Xml.Linq; 10 using System.Xml.Linq;
13   11  
14 namespace wasStitchNET.Patchers 12 namespace wasStitchNET.Patchers
15 { 13 {
16 public static class Utilities 14 public static class Utilities
17 { 15 {
18   -  
19 /// <summary> 16 /// <summary>
20 /// Get the absolute XPath to a given XElement 17 /// Get the absolute XPath to a given XElement
21 /// (e.g. "/people/person[6]/name[1]/last[1]"). 18 /// (e.g. "/people/person[6]/name[1]/last[1]").
22 /// </summary> 19 /// </summary>
23 /// <param name="element"> 20 /// <param name="element">
24 /// The element to get the index of. 21 /// The element to get the index of.
25 /// </param> 22 /// </param>
26 public static string GetAbsoluteXPath(this XElement element) 23 public static string GetAbsoluteXPath(this XElement element)
27 { 24 {
28 if (element == null) 25 if (element == null)
29 throw new ArgumentNullException("element"); 26 throw new ArgumentNullException("element");
30   27  
31 Func<XElement, string> relativeXPath = e => 28 Func<XElement, string> relativeXPath = e =>
32 { 29 {
33 var index = e.IndexPosition(); 30 var index = e.IndexPosition();
34 var name = e.Name.LocalName; 31 var name = e.Name.LocalName;
35   32  
36 // If the element is the root, no index is required 33 // If the element is the root, no index is required
-   34  
-   35 return index == -1
37   36 ? "/" + name
38 return (index == -1) ? "/" + name : string.Format 37 : string.Format
39 ( 38 (
40 "/{0}[{1}]", 39 "/{0}[{1}]",
41 name, 40 name,
42 index.ToString() 41 index.ToString()
43 ); 42 );
44 }; 43 };
45   44  
46 var ancestors = from e in element.Ancestors() 45 var ancestors = from e in element.Ancestors()
47 select relativeXPath(e); 46 select relativeXPath(e);
48   47  
49 return string.Concat(ancestors.Reverse().ToArray()) + 48 return string.Concat(ancestors.Reverse().ToArray()) +
50 relativeXPath(element); 49 relativeXPath(element);
51 } 50 }
52   51  
53 /// <summary> 52 /// <summary>
54 /// Get the index of the given XElement relative to its 53 /// Get the index of the given XElement relative to its
55 /// siblings with identical names. If the given element is 54 /// siblings with identical names. If the given element is
56 /// the root, -1 is returned. 55 /// the root, -1 is returned.
57 /// </summary> 56 /// </summary>
58 /// <param name="element"> 57 /// <param name="element">
59 /// The element to get the index of. 58 /// The element to get the index of.
60 /// </param> 59 /// </param>
61 public static int IndexPosition(this XElement element) 60 public static int IndexPosition(this XElement element)
62 { 61 {
63 if (element == null) 62 if (element == null)
64 { -  
65 throw new ArgumentNullException("element"); 63 throw new ArgumentNullException("element");
66 } -  
67   64  
68 if (element.Parent == null) -  
69 { 65 if (element.Parent == null)
70 return -1; -  
71 } 66 return -1;
72   67  
73 var i = 1; // Indexes for nodes start at 1, not 0 68 var i = 1; // Indexes for nodes start at 1, not 0
74   69  
75 foreach (var sibling in element.Parent.Elements(element.Name)) 70 foreach (var sibling in element.Parent.Elements(element.Name))
76 { 71 {
77 if (sibling == element) 72 if (sibling == element)
78 { -  
79 return i; 73 return i;
80 } -  
81   74  
82 i++; 75 i++;
83 } 76 }
84   77  
85 throw new InvalidOperationException 78 throw new InvalidOperationException
86 ("element has been removed from its parent."); 79 ("element has been removed from its parent.");
87 } 80 }
88   -  
89 } 81 }
90 } 82 }
91   83  
-   84
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