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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 (function(mod) {
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5 if (typeof exports == "object" && typeof module == "object") // CommonJS
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6 mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"), require("../ruby/ruby"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror", "../htmlmixed/htmlmixed", "../ruby/ruby"], mod);
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9 else // Plain browser env
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10 mod(CodeMirror);
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11 })(function(CodeMirror) {
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12 "use strict";
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13
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14 // full haml mode. This handled embedded ruby and html fragments too
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15 CodeMirror.defineMode("haml", function(config) {
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16 var htmlMode = CodeMirror.getMode(config, {name: "htmlmixed"});
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17 var rubyMode = CodeMirror.getMode(config, "ruby");
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18
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19 function rubyInQuote(endQuote) {
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20 return function(stream, state) {
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21 var ch = stream.peek();
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22 if (ch == endQuote && state.rubyState.tokenize.length == 1) {
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23 // step out of ruby context as it seems to complete processing all the braces
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24 stream.next();
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25 state.tokenize = html;
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26 return "closeAttributeTag";
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27 } else {
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28 return ruby(stream, state);
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29 }
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30 };
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31 }
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32
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33 function ruby(stream, state) {
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34 if (stream.match("-#")) {
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35 stream.skipToEnd();
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36 return "comment";
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37 }
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38 return rubyMode.token(stream, state.rubyState);
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39 }
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40
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41 function html(stream, state) {
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42 var ch = stream.peek();
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43
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44 // handle haml declarations. All declarations that cant be handled here
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45 // will be passed to html mode
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46 if (state.previousToken.style == "comment" ) {
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47 if (state.indented > state.previousToken.indented) {
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48 stream.skipToEnd();
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49 return "commentLine";
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50 }
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51 }
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52
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53 if (state.startOfLine) {
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54 if (ch == "!" && stream.match("!!")) {
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55 stream.skipToEnd();
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56 return "tag";
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57 } else if (stream.match(/^%[\w:#\.]+=/)) {
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58 state.tokenize = ruby;
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59 return "hamlTag";
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60 } else if (stream.match(/^%[\w:]+/)) {
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61 return "hamlTag";
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62 } else if (ch == "/" ) {
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63 stream.skipToEnd();
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64 return "comment";
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65 }
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66 }
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67
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68 if (state.startOfLine || state.previousToken.style == "hamlTag") {
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69 if ( ch == "#" || ch == ".") {
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70 stream.match(/[\w-#\.]*/);
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71 return "hamlAttribute";
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72 }
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73 }
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74
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75 // do not handle --> as valid ruby, make it HTML close comment instead
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76 if (state.startOfLine && !stream.match("-->", false) && (ch == "=" || ch == "-" )) {
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77 state.tokenize = ruby;
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78 return state.tokenize(stream, state);
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79 }
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80
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81 if (state.previousToken.style == "hamlTag" ||
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82 state.previousToken.style == "closeAttributeTag" ||
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83 state.previousToken.style == "hamlAttribute") {
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84 if (ch == "(") {
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85 state.tokenize = rubyInQuote(")");
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86 return state.tokenize(stream, state);
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87 } else if (ch == "{") {
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88 if (!stream.match(/^\{%.*/)) {
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89 state.tokenize = rubyInQuote("}");
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90 return state.tokenize(stream, state);
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91 }
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92 }
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93 }
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94
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95 return htmlMode.token(stream, state.htmlState);
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96 }
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97
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98 return {
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99 // default to html mode
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100 startState: function() {
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101 var htmlState = CodeMirror.startState(htmlMode);
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102 var rubyState = CodeMirror.startState(rubyMode);
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103 return {
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104 htmlState: htmlState,
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105 rubyState: rubyState,
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106 indented: 0,
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107 previousToken: { style: null, indented: 0},
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108 tokenize: html
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109 };
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110 },
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111
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112 copyState: function(state) {
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113 return {
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114 htmlState : CodeMirror.copyState(htmlMode, state.htmlState),
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115 rubyState: CodeMirror.copyState(rubyMode, state.rubyState),
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116 indented: state.indented,
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117 previousToken: state.previousToken,
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118 tokenize: state.tokenize
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119 };
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120 },
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121
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122 token: function(stream, state) {
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123 if (stream.sol()) {
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124 state.indented = stream.indentation();
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125 state.startOfLine = true;
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126 }
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127 if (stream.eatSpace()) return null;
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128 var style = state.tokenize(stream, state);
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129 state.startOfLine = false;
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130 // dont record comment line as we only want to measure comment line with
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131 // the opening comment block
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132 if (style && style != "commentLine") {
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133 state.previousToken = { style: style, indented: state.indented };
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134 }
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135 // if current state is ruby and the previous token is not `,` reset the
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136 // tokenize to html
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137 if (stream.eol() && state.tokenize == ruby) {
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138 stream.backUp(1);
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139 var ch = stream.peek();
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140 stream.next();
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141 if (ch && ch != ",") {
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142 state.tokenize = html;
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143 }
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144 }
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145 // reprocess some of the specific style tag when finish setting previousToken
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146 if (style == "hamlTag") {
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147 style = "tag";
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148 } else if (style == "commentLine") {
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149 style = "comment";
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150 } else if (style == "hamlAttribute") {
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151 style = "attribute";
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152 } else if (style == "closeAttributeTag") {
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153 style = null;
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154 }
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155 return style;
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156 }
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157 };
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158 }, "htmlmixed", "ruby");
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159
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160 CodeMirror.defineMIME("text/x-haml", "haml");
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161 });
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