wasSharp – Blame information for rev
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1 | zed | 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; |
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8 | using System.IO; |
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9 | using System.Linq; |
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10 | using System.Text; |
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11 | |||
12 | namespace wasSharp |
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13 | { |
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14 | public class Web |
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15 | { |
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16 | /////////////////////////////////////////////////////////////////////////// |
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17 | // Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3 // |
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18 | /////////////////////////////////////////////////////////////////////////// |
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19 | /// <summary>RFC3986 URI Escapes a string</summary> |
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20 | /// <param name="data">a string to escape</param> |
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21 | /// <returns>an RFC3986 escaped string</returns> |
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22 | public static string wasURIEscapeDataString(string data) |
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23 | { |
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24 | // Uri.EscapeDataString can only handle 32766 characters at a time |
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25 | return string.Join("", Enumerable.Range(0, (data.Length + 32765)/32766) |
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26 | .Select(o => Uri.EscapeDataString(data.Substring(o*32766, Math.Min(32766, data.Length - (o*32766))))) |
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27 | .ToArray()); |
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28 | } |
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29 | |||
30 | /////////////////////////////////////////////////////////////////////////// |
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31 | // Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3 // |
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32 | /////////////////////////////////////////////////////////////////////////// |
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33 | /// <summary>URI unescapes an RFC3986 URI escaped string</summary> |
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34 | /// <param name="data">a string to unescape</param> |
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35 | /// <returns>the resulting string</returns> |
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36 | public static string wasURIUnescapeDataString(string data) |
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37 | { |
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38 | // Uri.UnescapeDataString can only handle 32766 characters at a time |
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39 | return string.Join("", Enumerable.Range(0, (data.Length + 32765)/32766) |
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40 | .Select(o => Uri.UnescapeDataString(data.Substring(o*32766, Math.Min(32766, data.Length - (o*32766))))) |
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41 | .ToArray()); |
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42 | } |
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43 | |||
44 | /////////////////////////////////////////////////////////////////////////// |
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45 | // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 // |
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46 | /////////////////////////////////////////////////////////////////////////// |
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47 | /// <summary>RFC1738 URL Escapes a string</summary> |
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48 | /// <param name="data">a string to escape</param> |
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49 | /// <returns>an RFC1738 escaped string</returns> |
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50 | public static string wasURLEscapeDataString(string data) |
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51 | { |
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52 | //return HttpUtility.UrlEncode(data); |
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53 | StringBuilder result = new StringBuilder(); |
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54 | |||
55 | char[] hex = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; |
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56 | |||
57 | foreach (char c in data) |
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58 | { |
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59 | switch (c) |
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60 | { |
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61 | case '0': |
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62 | case '1': |
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63 | case '2': |
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64 | case '3': |
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65 | case '4': |
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66 | case '5': |
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67 | case '6': |
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68 | case '7': |
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69 | case '8': |
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70 | case '9': |
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71 | case 'a': |
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72 | case 'b': |
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73 | case 'c': |
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74 | case 'd': |
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75 | case 'e': |
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76 | case 'f': |
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77 | case 'g': |
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78 | case 'h': |
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79 | case 'i': |
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80 | case 'j': |
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81 | case 'k': |
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82 | case 'l': |
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83 | case 'm': |
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84 | case 'n': |
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85 | case 'o': |
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86 | case 'p': |
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87 | case 'q': |
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88 | case 'r': |
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89 | case 's': |
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90 | case 't': |
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91 | case 'u': |
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92 | case 'v': |
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93 | case 'w': |
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94 | case 'x': |
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95 | case 'y': |
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96 | case 'z': |
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97 | case 'A': |
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98 | case 'B': |
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99 | case 'C': |
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100 | case 'D': |
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101 | case 'E': |
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102 | case 'F': |
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103 | case 'G': |
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104 | case 'H': |
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105 | case 'I': |
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106 | case 'J': |
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107 | case 'K': |
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108 | case 'L': |
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109 | case 'M': |
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110 | case 'N': |
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111 | case 'O': |
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112 | case 'P': |
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113 | case 'Q': |
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114 | case 'R': |
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115 | case 'S': |
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116 | case 'T': |
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117 | case 'U': |
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118 | case 'V': |
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119 | case 'W': |
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120 | case 'X': |
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121 | case 'Y': |
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122 | case 'Z': |
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123 | case '!': |
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124 | case '\'': |
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125 | case '(': |
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126 | case ')': |
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127 | case '*': |
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128 | case '-': |
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129 | case '.': |
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130 | case '_': |
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131 | result.Append(c); |
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132 | break; |
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133 | case ' ': |
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134 | result.Append('+'); |
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135 | break; |
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136 | default: |
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137 | StringBuilder uCode = new StringBuilder(); |
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138 | foreach (var b in Encoding.UTF8.GetBytes(new[] {c})) |
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139 | { |
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140 | uCode.Append('%'); |
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141 | uCode.Append(hex[b >> 4]); |
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142 | uCode.Append(hex[b & 0x0F]); |
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143 | } |
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144 | result.Append(uCode); |
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145 | break; |
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146 | } |
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147 | } |
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148 | |||
149 | return result.ToString(); |
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150 | } |
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151 | |||
152 | /////////////////////////////////////////////////////////////////////////// |
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153 | // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 // |
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154 | /////////////////////////////////////////////////////////////////////////// |
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155 | /// <summary>RFC1738 URL Unescape a string</summary> |
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156 | /// <param name="data">a string to unescape</param> |
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157 | /// <returns>an RFC1738 unescaped string</returns> |
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158 | public static string wasURLUnescapeDataString(string data) |
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159 | { |
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160 | //return HttpUtility.UrlDecode(data); |
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161 | StringBuilder result = new StringBuilder(); |
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162 | |||
163 | int c; |
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164 | |||
165 | Func<byte, int> GetInt = o => |
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166 | { |
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167 | switch ((char) o) |
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168 | { |
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169 | case '0': |
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170 | case '1': |
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171 | case '2': |
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172 | case '3': |
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173 | case '4': |
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174 | case '5': |
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175 | case '6': |
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176 | case '7': |
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177 | case '8': |
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178 | case '9': |
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179 | return o - '0'; |
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180 | case 'a': |
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181 | case 'b': |
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182 | case 'c': |
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183 | case 'd': |
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184 | case 'e': |
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185 | case 'f': |
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186 | return o - 'a' + 10; |
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187 | case 'A': |
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188 | case 'B': |
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189 | case 'C': |
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190 | case 'D': |
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191 | case 'E': |
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192 | case 'F': |
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193 | return o - 'A' + 10; |
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194 | default: |
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195 | return -1; |
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196 | } |
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197 | }; |
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198 | |||
199 | Func<string, int, int, int> GetCharString = (s, o, l) => |
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200 | { |
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201 | int v = 0; |
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202 | int e = l + o; |
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203 | for (int i = o; i < e; ++i) |
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204 | { |
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205 | c = GetInt((byte) s[i]); |
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206 | if (c.Equals(-1)) return -1; |
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207 | v = (v << 4) + c; |
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208 | } |
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209 | return v; |
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210 | }; |
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211 | |||
212 | using (MemoryStream bytes = new MemoryStream()) |
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213 | { |
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214 | for (int x = 0; x < data.Length; ++x) |
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215 | { |
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216 | if (data[x].Equals('%') && !data[x + 1].Equals('%') && x + 2 < data.Length) |
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217 | { |
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218 | c = GetCharString(data, x + 1, 2); |
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219 | switch (c) |
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220 | { |
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221 | case -1: |
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222 | result.Append('%'); |
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223 | break; |
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224 | default: |
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225 | bytes.WriteByte((byte) c); |
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226 | x += 2; |
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227 | break; |
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228 | } |
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229 | continue; |
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230 | } |
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231 | |||
232 | if (!bytes.Length.Equals(0)) |
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233 | { |
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234 | result.Append(Encoding.UTF8.GetChars(bytes.ToArray())); |
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235 | bytes.SetLength(0); |
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236 | } |
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237 | |||
238 | switch (data[x].Equals('+')) |
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239 | { |
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240 | case true: |
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241 | result.Append(' '); |
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242 | break; |
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243 | default: |
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244 | result.Append(data[x]); |
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245 | break; |
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246 | } |
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247 | } |
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248 | |||
249 | if (!bytes.Length.Equals(0)) |
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250 | { |
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251 | result.Append(Encoding.UTF8.GetChars(bytes.ToArray())); |
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252 | bytes.SetLength(0); |
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253 | } |
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254 | } |
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255 | |||
256 | return result.ToString(); |
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257 | } |
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258 | } |
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259 | } |