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3 |
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4 | (function (Prism) {
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5 |
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6 | |
7 |
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8 |
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9 |
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10 |
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11 | function nested(source, level) {
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12 | if (level <= 0) {
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13 | return /[]/.source;
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14 | } else {
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15 | return source.replace(/<SELF>/g, function () { return nested(source, level - 1); });
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16 | }
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17 | }
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18 |
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19 | var stringPattern = /'[{}:=,](?:[^']|'')*'(?!')/;
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20 |
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21 | var escape = {
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22 | pattern: /''/,
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23 | greedy: true,
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24 | alias: 'operator'
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25 | };
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26 | var string = {
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27 | pattern: stringPattern,
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28 | greedy: true,
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29 | inside: {
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30 | 'escape': escape
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31 | }
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32 | };
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33 |
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34 | var argumentSource = nested(
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35 | /\{(?:[^{}']|'(?![{},'])|''|<STR>|<SELF>)*\}/.source
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36 | .replace(/<STR>/g, function () { return stringPattern.source; }),
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37 | 8
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38 | );
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39 |
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40 | var nestedMessage = {
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41 | pattern: RegExp(argumentSource),
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42 | inside: {
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43 | 'message': {
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44 | pattern: /^(\{)[\s\S]+(?=\}$)/,
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45 | lookbehind: true,
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46 | inside: null
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47 | },
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48 | 'message-delimiter': {
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49 | pattern: /./,
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50 | alias: 'punctuation'
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51 | }
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52 | }
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53 | };
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54 |
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55 | Prism.languages['icu-message-format'] = {
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56 | 'argument': {
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57 | pattern: RegExp(argumentSource),
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58 | greedy: true,
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59 | inside: {
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60 | 'content': {
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61 | pattern: /^(\{)[\s\S]+(?=\}$)/,
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62 | lookbehind: true,
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63 | inside: {
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64 | 'argument-name': {
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65 | pattern: /^(\s*)[^{}:=,\s]+/,
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66 | lookbehind: true
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67 | },
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68 | 'choice-style': {
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69 |
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70 | pattern: /^(\s*,\s*choice\s*,\s*)\S(?:[\s\S]*\S)?/,
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71 | lookbehind: true,
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72 | inside: {
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73 | 'punctuation': /\|/,
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74 | 'range': {
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75 | pattern: /^(\s*)[+-]?(?:\d+(?:\.\d*)?|\u221e)\s*[<#\u2264]/,
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76 | lookbehind: true,
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77 | inside: {
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78 | 'operator': /[<#\u2264]/,
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79 | 'number': /\S+/
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80 | }
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81 | },
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82 | rest: null
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83 | }
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84 | },
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85 | 'plural-style': {
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86 |
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87 | pattern: /^(\s*,\s*(?:plural|selectordinal)\s*,\s*)\S(?:[\s\S]*\S)?/,
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88 | lookbehind: true,
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89 | inside: {
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90 | 'offset': /^offset:\s*\d+/,
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91 | 'nested-message': nestedMessage,
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92 | 'selector': {
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93 | pattern: /=\d+|[^{}:=,\s]+/,
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94 | inside: {
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95 | 'keyword': /^(?:few|many|one|other|two|zero)$/
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96 | }
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97 | }
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98 | }
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99 | },
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100 | 'select-style': {
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101 |
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102 | pattern: /^(\s*,\s*select\s*,\s*)\S(?:[\s\S]*\S)?/,
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103 | lookbehind: true,
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104 | inside: {
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105 | 'nested-message': nestedMessage,
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106 | 'selector': {
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107 | pattern: /[^{}:=,\s]+/,
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108 | inside: {
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109 | 'keyword': /^other$/
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110 | }
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111 | }
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112 | }
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113 | },
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114 | 'keyword': /\b(?:choice|plural|select|selectordinal)\b/,
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115 | 'arg-type': {
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116 | pattern: /\b(?:date|duration|number|ordinal|spellout|time)\b/,
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117 | alias: 'keyword'
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118 | },
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119 | 'arg-skeleton': {
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120 | pattern: /(,\s*)::[^{}:=,\s]+/,
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121 | lookbehind: true
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122 | },
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123 | 'arg-style': {
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124 | pattern: /(,\s*)(?:currency|full|integer|long|medium|percent|short)(?=\s*$)/,
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125 | lookbehind: true
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126 | },
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127 | 'arg-style-text': {
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128 | pattern: RegExp(/(^\s*,\s*(?=\S))/.source + nested(/(?:[^{}']|'[^']*'|\{(?:<SELF>)?\})+/.source, 8) + '$'),
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129 | lookbehind: true,
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130 | alias: 'string'
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131 | },
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132 | 'punctuation': /,/
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133 | }
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134 | },
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135 | 'argument-delimiter': {
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136 | pattern: /./,
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137 | alias: 'operator'
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138 | }
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139 | }
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140 | },
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141 | 'escape': escape,
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142 | 'string': string
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143 | };
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144 |
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145 | nestedMessage.inside.message.inside = Prism.languages['icu-message-format'];
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146 | Prism.languages['icu-message-format'].argument.inside.content.inside['choice-style'].inside.rest = Prism.languages['icu-message-format'];
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147 |
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148 | }(Prism));
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