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2 |
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3 | module.exports = parser;
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18 |
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19 | function parser(str){
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20 | var tokenizer = new Tokenizer(str),
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21 | tokens = tokenizer.tokenize();
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22 |
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23 |
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24 | var addresses = [],
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25 | address = [],
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26 | parsedAddresses = [];
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27 |
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28 | tokens.forEach(function(token){
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29 | if(token.type == "operator" && (token.value =="," || token.value ==";")){
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30 | addresses.push(address);
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31 | address = [];
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32 | }else{
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33 | address.push(token);
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34 | }
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35 | });
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36 |
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37 | if(address.length){
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38 | addresses.push(address);
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39 | }
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40 |
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41 | addresses.forEach(function(address){
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42 | address = handleAddress(address);
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43 | if(address.length){
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44 | parsedAddresses = parsedAddresses.concat(address);
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45 | }
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46 | });
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47 |
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48 | return parsedAddresses;
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49 | }
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50 |
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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 |
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56 |
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57 | function handleAddress(tokens){
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58 | var token,
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59 | isGroup = false,
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60 | state = "text",
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61 | address,
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62 | addresses = [],
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63 | data = {
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64 | address: [],
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65 | comment: [],
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66 | group: [],
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67 | text: []
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68 | },
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69 | i, len;
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70 |
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71 |
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72 | for(i=0, len = tokens.length; i<len; i++){
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73 | token = tokens[i];
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74 |
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75 | if(token.type == "operator"){
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76 | switch(token.value){
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77 | case "<":
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78 | state = "address";
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79 | break;
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80 | case "(":
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81 | state = "comment";
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82 | break;
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83 | case ":":
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84 | state = "group";
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85 | isGroup = true;
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86 | break;
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87 | default:
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88 | state = "text";
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89 | }
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90 | }else{
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91 | if(token.value){
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92 | data[state].push(token.value);
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93 | }
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94 | }
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95 | }
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96 |
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97 |
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98 | if(!data.text.length && data.comment.length){
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99 | data.text = data.comment;
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100 | data.comment = [];
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101 | }
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102 |
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103 | if(data.group.length){
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104 |
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105 | if(data.text.length){
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106 | data.text = data.text.join(" ");
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107 | }
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108 |
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109 | addresses = addresses.concat(parser(data.group.join(",")).map(function(address){
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110 | address.name = data.text || address.name;
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111 | return address;
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112 | }));
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113 |
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114 | }else{
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115 |
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116 | if(!data.address.length && data.text.length){
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117 | for(i = data.text.length - 1; i>=0; i--){
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118 | if(data.text[i].match(/^[^@\s]+@[^@\s]+$/)){
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119 | data.address = data.text.splice(i,1);
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120 | break;
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121 | }
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122 | }
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123 |
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124 |
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125 | if(!data.address.length){
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126 | for(i = data.text.length - 1; i>=0; i--){
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127 | data.text[i] = data.text[i].replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, function(address){
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128 | if(!data.address.length){
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129 | data.address = [address.trim()];
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130 | return " ";
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131 | }else{
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132 | return address;
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133 | }
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134 | }).trim();
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135 | if(data.address.length){
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136 | break;
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137 | }
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138 | }
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139 | }
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140 | }
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141 |
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142 |
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143 | if(!data.text.length && data.comment.length){
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144 | data.text = data.comment;
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145 | data.comment = [];
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146 | }
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147 |
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148 |
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149 | if(data.address.length > 1){
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150 | data.text = data.text.concat(data.address.splice(1));
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151 | }
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152 |
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153 |
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154 | data.text = data.text.join(" ");
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155 | data.address = data.address.join(" ");
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156 |
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157 | if(!data.address && isGroup){
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158 | return [];
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159 | }else{
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160 | address = {
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161 | address: data.address || data.text || "",
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162 | name: data.text || data.address || ""
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163 | };
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164 |
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165 | if(address.address == address.name){
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166 | if((address.address || "").match(/@/)){
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167 | address.name = "";
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168 | }else{
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169 | address.address = "";
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170 | }
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171 |
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172 | }
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173 |
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174 | addresses.push(address);
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175 | }
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176 | }
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177 |
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178 | return addresses;
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179 | }
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180 |
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181 |
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182 |
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183 |
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184 |
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185 |
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186 |
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187 |
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188 | function Tokenizer(str){
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189 |
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190 | this.str = (str || "").toString();
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191 | this.operatorCurrent = "";
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192 | this.operatorExpecting = "";
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193 | this.node = null;
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194 | this.escaped = false;
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195 |
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196 | this.list = [];
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197 |
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198 | }
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199 |
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200 |
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201 |
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202 |
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203 | Tokenizer.prototype.operators = {
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204 | "\"": "\"",
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205 | "'": "'",
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206 | "(": ")",
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207 | "<": ">",
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208 | ",": "",
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209 | ":": ";"
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210 | };
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211 |
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212 |
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213 |
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214 |
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215 |
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216 |
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217 | Tokenizer.prototype.tokenize = function(){
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218 | var chr, list = [];
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219 | for(var i=0, len = this.str.length; i<len; i++){
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220 | chr = this.str.charAt(i);
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221 | this.checkChar(chr);
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222 | }
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223 |
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224 | this.list.forEach(function(node){
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225 | node.value = (node.value || "").toString().trim();
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226 | if(node.value){
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227 | list.push(node);
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228 | }
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229 | });
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230 |
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231 | return list;
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232 | };
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233 |
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234 |
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235 |
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236 |
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237 |
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238 |
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239 | Tokenizer.prototype.checkChar = function(chr){
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240 | if((chr in this.operators || chr == "\\") && this.escaped){
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241 | this.escaped = false;
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242 | }else if(this.operatorExpecting && chr == this.operatorExpecting){
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243 | this.node = {
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244 | type: "operator",
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245 | value: chr
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246 | };
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247 | this.list.push(this.node);
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248 | this.node = null;
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249 | this.operatorExpecting = "";
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250 | this.escaped = false;
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251 | return;
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252 | }else if(!this.operatorExpecting && chr in this.operators){
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253 | this.node = {
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254 | type: "operator",
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255 | value: chr
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256 | };
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257 | this.list.push(this.node);
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258 | this.node = null;
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259 | this.operatorExpecting = this.operators[chr];
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260 | this.escaped = false;
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261 | return;
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262 | }
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263 |
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264 | if(!this.escaped && chr == "\\"){
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265 | this.escaped = true;
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266 | return;
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267 | }
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268 |
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269 | if(!this.node){
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270 | this.node = {
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271 | type: "text",
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272 | value: ""
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273 | };
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274 | this.list.push(this.node);
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275 | }
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276 |
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277 | if(this.escaped && chr != "\\"){
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278 | this.node.value += "\\";
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279 | }
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280 |
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281 | this.node.value += chr;
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282 | this.escaped = false;
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283 | };
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