corrade-vassal – Blame information for rev
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Rev | Author | Line No. | Line |
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13 | eva | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
7 | using System.Collections.Generic; |
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8 | using System.Linq; |
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9 | using System.Text; |
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10 | using System.Threading.Tasks; |
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11 | |||
12 | namespace wasSharp |
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13 | { |
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14 | public class XML |
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15 | { |
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16 | /////////////////////////////////////////////////////////////////////////// |
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17 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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18 | /////////////////////////////////////////////////////////////////////////// |
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19 | /// <summary> |
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20 | /// Unescapes a string used in XML. |
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21 | /// </summary> |
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22 | /// <param name="s">the string to unescape</param> |
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23 | /// <returns>an XML unescaped string</returns> |
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24 | public static string UnescapeXML(string s) |
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25 | { |
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26 | Queue<char> t = new Queue<char>(); |
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27 | StringBuilder m = new StringBuilder(); |
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28 | foreach (char c in s) |
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29 | { |
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30 | switch (c) |
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31 | { |
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32 | case '&': |
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33 | if (!t.Count.Equals(0)) |
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34 | { |
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35 | m.Append(string.Join("", t.ToArray())); |
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36 | t.Clear(); |
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37 | } |
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38 | t.Enqueue(c); |
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39 | break; |
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40 | case ';': |
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41 | if (!t.Count.Equals(0)) |
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42 | { |
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43 | t.Enqueue(c); |
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44 | string special = string.Join("", t.ToArray()); |
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45 | switch (special) |
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46 | { |
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47 | case "'": |
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48 | m.Append('\''); |
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49 | break; |
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50 | case """: |
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51 | m.Append('"'); |
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52 | break; |
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53 | case ">": |
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54 | m.Append('>'); |
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55 | break; |
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56 | case "<": |
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57 | m.Append('<'); |
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58 | break; |
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59 | case "&": |
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60 | m.Append('&'); |
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61 | break; |
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62 | default: // Unrecognized escape sequence |
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63 | m.Append(special); |
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64 | break; |
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65 | } |
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66 | t.Clear(); |
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67 | break; |
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68 | } |
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69 | m.Append(c); |
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70 | break; |
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71 | default: |
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72 | if (!t.Count.Equals(0)) |
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73 | { |
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74 | t.Enqueue(c); |
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75 | if (t.Count >= 6) |
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76 | { |
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77 | m.Append(string.Join("", t.ToArray())); |
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78 | t.Clear(); |
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79 | } |
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80 | break; |
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81 | } |
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82 | m.Append(c); |
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83 | break; |
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84 | } |
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85 | } |
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86 | return m.ToString(); |
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87 | } |
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88 | |||
89 | /////////////////////////////////////////////////////////////////////////// |
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90 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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91 | /////////////////////////////////////////////////////////////////////////// |
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92 | /// <summary> |
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93 | /// Escapes a string to be used in XML. |
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94 | /// </summary> |
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95 | /// <param name="s">the string to escape</param> |
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96 | /// <returns>an XML escaped string</returns> |
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97 | public static string EscapeXML(string s) |
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98 | { |
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99 | if (string.IsNullOrEmpty(s)) return s; |
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100 | |||
101 | string[] result = new string[s.Length]; |
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102 | Parallel.ForEach(Enumerable.Range(0, s.Length), o => |
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103 | { |
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104 | switch (s[o]) |
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105 | { |
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106 | case '&': |
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107 | result[o] = @"&"; |
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108 | break; |
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109 | case '<': |
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110 | result[o] = @"<"; |
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111 | break; |
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112 | case '>': |
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113 | result[o] = @">"; |
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114 | break; |
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115 | case '"': |
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116 | result[o] = @"""; |
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117 | break; |
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118 | case '\'': |
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119 | result[o] = @"'"; |
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120 | break; |
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121 | default: |
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122 | result[o] = s[o].ToString(); |
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123 | break; |
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124 | } |
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125 | }); |
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126 | return string.Join("", result); |
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127 | } |
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128 | } |
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129 | } |