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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 /**
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5 * Smarty 2 and 3 mode.
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6 */
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7
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8 (function(mod) {
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9 if (typeof exports == "object" && typeof module == "object") // CommonJS
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10 mod(require("../../lib/codemirror"));
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11 else if (typeof define == "function" && define.amd) // AMD
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12 define(["../../lib/codemirror"], mod);
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13 else // Plain browser env
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14 mod(CodeMirror);
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15 })(function(CodeMirror) {
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16 "use strict";
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17
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18 CodeMirror.defineMode("smarty", function(config, parserConf) {
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19 var rightDelimiter = parserConf.rightDelimiter || "}";
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20 var leftDelimiter = parserConf.leftDelimiter || "{";
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21 var version = parserConf.version || 2;
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22 var baseMode = CodeMirror.getMode(config, parserConf.baseMode || "null");
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23
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24 var keyFunctions = ["debug", "extends", "function", "include", "literal"];
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25 var regs = {
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26 operatorChars: /[+\-*&%=<>!?]/,
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27 validIdentifier: /[a-zA-Z0-9_]/,
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28 stringChar: /['"]/
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29 };
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30
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31 var last;
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32 function cont(style, lastType) {
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33 last = lastType;
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34 return style;
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35 }
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36
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37 function chain(stream, state, parser) {
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38 state.tokenize = parser;
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39 return parser(stream, state);
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40 }
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41
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42 // Smarty 3 allows { and } surrounded by whitespace to NOT slip into Smarty mode
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43 function doesNotCount(stream, pos) {
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44 if (pos == null) pos = stream.pos;
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45 return version === 3 && leftDelimiter == "{" &&
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46 (pos == stream.string.length || /\s/.test(stream.string.charAt(pos)));
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47 }
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48
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49 function tokenTop(stream, state) {
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50 var string = stream.string;
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51 for (var scan = stream.pos;;) {
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52 var nextMatch = string.indexOf(leftDelimiter, scan);
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53 scan = nextMatch + leftDelimiter.length;
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54 if (nextMatch == -1 || !doesNotCount(stream, nextMatch + leftDelimiter.length)) break;
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55 }
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56 if (nextMatch == stream.pos) {
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57 stream.match(leftDelimiter);
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58 if (stream.eat("*")) {
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59 return chain(stream, state, tokenBlock("comment", "*" + rightDelimiter));
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60 } else {
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61 state.depth++;
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62 state.tokenize = tokenSmarty;
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63 last = "startTag";
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64 return "tag";
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65 }
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66 }
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67
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68 if (nextMatch > -1) stream.string = string.slice(0, nextMatch);
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69 var token = baseMode.token(stream, state.base);
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70 if (nextMatch > -1) stream.string = string;
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71 return token;
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72 }
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73
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74 // parsing Smarty content
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75 function tokenSmarty(stream, state) {
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76 if (stream.match(rightDelimiter, true)) {
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77 if (version === 3) {
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78 state.depth--;
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79 if (state.depth <= 0) {
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80 state.tokenize = tokenTop;
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81 }
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82 } else {
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83 state.tokenize = tokenTop;
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84 }
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85 return cont("tag", null);
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86 }
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87
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88 if (stream.match(leftDelimiter, true)) {
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89 state.depth++;
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90 return cont("tag", "startTag");
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91 }
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92
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93 var ch = stream.next();
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94 if (ch == "$") {
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95 stream.eatWhile(regs.validIdentifier);
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96 return cont("variable-2", "variable");
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97 } else if (ch == "|") {
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98 return cont("operator", "pipe");
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99 } else if (ch == ".") {
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100 return cont("operator", "property");
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101 } else if (regs.stringChar.test(ch)) {
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102 state.tokenize = tokenAttribute(ch);
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103 return cont("string", "string");
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104 } else if (regs.operatorChars.test(ch)) {
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105 stream.eatWhile(regs.operatorChars);
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106 return cont("operator", "operator");
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107 } else if (ch == "[" || ch == "]") {
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108 return cont("bracket", "bracket");
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109 } else if (ch == "(" || ch == ")") {
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110 return cont("bracket", "operator");
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111 } else if (/\d/.test(ch)) {
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112 stream.eatWhile(/\d/);
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113 return cont("number", "number");
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114 } else {
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115
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116 if (state.last == "variable") {
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117 if (ch == "@") {
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118 stream.eatWhile(regs.validIdentifier);
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119 return cont("property", "property");
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120 } else if (ch == "|") {
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121 stream.eatWhile(regs.validIdentifier);
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122 return cont("qualifier", "modifier");
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123 }
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124 } else if (state.last == "pipe") {
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125 stream.eatWhile(regs.validIdentifier);
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126 return cont("qualifier", "modifier");
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127 } else if (state.last == "whitespace") {
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128 stream.eatWhile(regs.validIdentifier);
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129 return cont("attribute", "modifier");
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130 } if (state.last == "property") {
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131 stream.eatWhile(regs.validIdentifier);
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132 return cont("property", null);
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133 } else if (/\s/.test(ch)) {
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134 last = "whitespace";
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135 return null;
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136 }
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137
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138 var str = "";
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139 if (ch != "/") {
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140 str += ch;
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141 }
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142 var c = null;
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143 while (c = stream.eat(regs.validIdentifier)) {
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144 str += c;
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145 }
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146 for (var i=0, j=keyFunctions.length; i<j; i++) {
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147 if (keyFunctions[i] == str) {
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148 return cont("keyword", "keyword");
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149 }
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150 }
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151 if (/\s/.test(ch)) {
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152 return null;
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153 }
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154 return cont("tag", "tag");
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155 }
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156 }
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157
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158 function tokenAttribute(quote) {
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159 return function(stream, state) {
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160 var prevChar = null;
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161 var currChar = null;
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162 while (!stream.eol()) {
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163 currChar = stream.peek();
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164 if (stream.next() == quote && prevChar !== '\\') {
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165 state.tokenize = tokenSmarty;
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166 break;
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167 }
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168 prevChar = currChar;
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169 }
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170 return "string";
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171 };
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172 }
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173
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174 function tokenBlock(style, terminator) {
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175 return function(stream, state) {
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176 while (!stream.eol()) {
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177 if (stream.match(terminator)) {
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178 state.tokenize = tokenTop;
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179 break;
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180 }
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181 stream.next();
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182 }
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183 return style;
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184 };
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185 }
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186
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187 return {
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188 startState: function() {
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189 return {
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190 base: CodeMirror.startState(baseMode),
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191 tokenize: tokenTop,
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192 last: null,
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193 depth: 0
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194 };
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195 },
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196 copyState: function(state) {
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197 return {
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198 base: CodeMirror.copyState(baseMode, state.base),
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199 tokenize: state.tokenize,
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200 last: state.last,
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201 depth: state.depth
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202 };
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203 },
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204 innerMode: function(state) {
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205 if (state.tokenize == tokenTop)
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206 return {mode: baseMode, state: state.base};
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207 },
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208 token: function(stream, state) {
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209 var style = state.tokenize(stream, state);
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210 state.last = last;
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211 return style;
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212 },
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213 indent: function(state, text, line) {
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214 if (state.tokenize == tokenTop && baseMode.indent)
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215 return baseMode.indent(state.base, text, line);
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216 else
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217 return CodeMirror.Pass;
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218 },
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219 blockCommentStart: leftDelimiter + "*",
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220 blockCommentEnd: "*" + rightDelimiter
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221 };
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222 });
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223
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224 CodeMirror.defineMIME("text/x-smarty", "smarty");
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225 });
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