scratch – Blame information for rev 125
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Rev | Author | Line No. | Line |
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125 | office | 1 | // Generated by CoffeeScript 1.12.4 |
75 | office | 2 | var Pattern, Unescaper, Utils; |
3 | |||
4 | Utils = require('./Utils'); |
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5 | |||
6 | Pattern = require('./Pattern'); |
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7 | |||
8 | Unescaper = (function() { |
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9 | function Unescaper() {} |
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10 | |||
11 | Unescaper.PATTERN_ESCAPED_CHARACTER = new Pattern('\\\\([0abt\tnvfre "\\/\\\\N_LP]|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8})'); |
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12 | |||
13 | Unescaper.unescapeSingleQuotedString = function(value) { |
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14 | return value.replace(/\'\'/g, '\''); |
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15 | }; |
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16 | |||
17 | Unescaper.unescapeDoubleQuotedString = function(value) { |
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18 | if (this._unescapeCallback == null) { |
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19 | this._unescapeCallback = (function(_this) { |
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20 | return function(str) { |
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21 | return _this.unescapeCharacter(str); |
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22 | }; |
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23 | })(this); |
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24 | } |
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25 | return this.PATTERN_ESCAPED_CHARACTER.replace(value, this._unescapeCallback); |
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26 | }; |
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27 | |||
28 | Unescaper.unescapeCharacter = function(value) { |
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29 | var ch; |
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30 | ch = String.fromCharCode; |
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31 | switch (value.charAt(1)) { |
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32 | case '0': |
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33 | return ch(0); |
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34 | case 'a': |
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35 | return ch(7); |
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36 | case 'b': |
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37 | return ch(8); |
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38 | case 't': |
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39 | return "\t"; |
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40 | case "\t": |
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41 | return "\t"; |
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42 | case 'n': |
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43 | return "\n"; |
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44 | case 'v': |
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45 | return ch(11); |
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46 | case 'f': |
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47 | return ch(12); |
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48 | case 'r': |
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49 | return ch(13); |
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50 | case 'e': |
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51 | return ch(27); |
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52 | case ' ': |
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53 | return ' '; |
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54 | case '"': |
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55 | return '"'; |
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56 | case '/': |
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57 | return '/'; |
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58 | case '\\': |
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59 | return '\\'; |
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60 | case 'N': |
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61 | return ch(0x0085); |
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62 | case '_': |
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63 | return ch(0x00A0); |
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64 | case 'L': |
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65 | return ch(0x2028); |
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66 | case 'P': |
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67 | return ch(0x2029); |
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68 | case 'x': |
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69 | return Utils.utf8chr(Utils.hexDec(value.substr(2, 2))); |
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70 | case 'u': |
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71 | return Utils.utf8chr(Utils.hexDec(value.substr(2, 4))); |
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72 | case 'U': |
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73 | return Utils.utf8chr(Utils.hexDec(value.substr(2, 8))); |
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74 | default: |
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75 | return ''; |
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76 | } |
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77 | }; |
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78 | |||
79 | return Unescaper; |
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80 | |||
81 | })(); |
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82 | |||
83 | module.exports = Unescaper; |