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1 'use strict';
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2
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3 function copyObj(obj, target, overwrite) {
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4 if (!target) { target = {}; }
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5 for (var prop in obj)
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6 { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
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7 { target[prop] = obj[prop]; } }
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8 return target
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9 }
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10
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11 // Counts the column offset in a string, taking tabs into account.
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12 // Used mostly to find indentation.
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13 function countColumn(string, end, tabSize, startIndex, startValue) {
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14 if (end == null) {
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15 end = string.search(/[^\s\u00a0]/);
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16 if (end == -1) { end = string.length; }
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17 }
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18 for (var i = startIndex || 0, n = startValue || 0;;) {
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19 var nextTab = string.indexOf("\t", i);
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20 if (nextTab < 0 || nextTab >= end)
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21 { return n + (end - i) }
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22 n += nextTab - i;
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23 n += tabSize - (n % tabSize);
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24 i = nextTab + 1;
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25 }
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26 }
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27
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28 function nothing() {}
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29
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30 function createObj(base, props) {
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31 var inst;
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32 if (Object.create) {
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33 inst = Object.create(base);
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34 } else {
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35 nothing.prototype = base;
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36 inst = new nothing();
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37 }
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38 if (props) { copyObj(props, inst); }
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39 return inst
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40 }
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41
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42 // STRING STREAM
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43
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44 // Fed to the mode parsers, provides helper functions to make
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45 // parsers more succinct.
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46
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47 var StringStream = function(string, tabSize, lineOracle) {
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48 this.pos = this.start = 0;
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49 this.string = string;
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50 this.tabSize = tabSize || 8;
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51 this.lastColumnPos = this.lastColumnValue = 0;
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52 this.lineStart = 0;
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53 this.lineOracle = lineOracle;
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54 };
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55
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56 StringStream.prototype.eol = function () {return this.pos >= this.string.length};
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57 StringStream.prototype.sol = function () {return this.pos == this.lineStart};
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58 StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
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59 StringStream.prototype.next = function () {
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60 if (this.pos < this.string.length)
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61 { return this.string.charAt(this.pos++) }
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62 };
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63 StringStream.prototype.eat = function (match) {
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64 var ch = this.string.charAt(this.pos);
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65 var ok;
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66 if (typeof match == "string") { ok = ch == match; }
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67 else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
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68 if (ok) {++this.pos; return ch}
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69 };
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70 StringStream.prototype.eatWhile = function (match) {
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71 var start = this.pos;
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72 while (this.eat(match)){}
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73 return this.pos > start
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74 };
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75 StringStream.prototype.eatSpace = function () {
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76 var start = this.pos;
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77 while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
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78 return this.pos > start
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79 };
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80 StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
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81 StringStream.prototype.skipTo = function (ch) {
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82 var found = this.string.indexOf(ch, this.pos);
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83 if (found > -1) {this.pos = found; return true}
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84 };
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85 StringStream.prototype.backUp = function (n) {this.pos -= n;};
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86 StringStream.prototype.column = function () {
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87 if (this.lastColumnPos < this.start) {
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88 this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
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89 this.lastColumnPos = this.start;
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90 }
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91 return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
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92 };
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93 StringStream.prototype.indentation = function () {
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94 return countColumn(this.string, null, this.tabSize) -
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95 (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
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96 };
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97 StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
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98 if (typeof pattern == "string") {
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99 var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
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100 var substr = this.string.substr(this.pos, pattern.length);
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101 if (cased(substr) == cased(pattern)) {
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102 if (consume !== false) { this.pos += pattern.length; }
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103 return true
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104 }
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105 } else {
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106 var match = this.string.slice(this.pos).match(pattern);
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107 if (match && match.index > 0) { return null }
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108 if (match && consume !== false) { this.pos += match[0].length; }
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109 return match
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110 }
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111 };
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112 StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
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113 StringStream.prototype.hideFirstChars = function (n, inner) {
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114 this.lineStart += n;
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115 try { return inner() }
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116 finally { this.lineStart -= n; }
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117 };
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118 StringStream.prototype.lookAhead = function (n) {
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119 var oracle = this.lineOracle;
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120 return oracle && oracle.lookAhead(n)
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121 };
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122 StringStream.prototype.baseToken = function () {
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123 var oracle = this.lineOracle;
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124 return oracle && oracle.baseToken(this.pos)
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125 };
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126
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127 // Known modes, by name and by MIME
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128 var modes = {}, mimeModes = {};
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129
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130 // Extra arguments are stored as the mode's dependencies, which is
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131 // used by (legacy) mechanisms like loadmode.js to automatically
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132 // load a mode. (Preferred mechanism is the require/define calls.)
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133 function defineMode(name, mode) {
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134 if (arguments.length > 2)
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135 { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
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136 modes[name] = mode;
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137 }
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138
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139 function defineMIME(mime, spec) {
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140 mimeModes[mime] = spec;
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141 }
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142
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143 // Given a MIME type, a {name, ...options} config object, or a name
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144 // string, return a mode config object.
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145 function resolveMode(spec) {
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146 if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
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147 spec = mimeModes[spec];
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148 } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
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149 var found = mimeModes[spec.name];
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150 if (typeof found == "string") { found = {name: found}; }
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151 spec = createObj(found, spec);
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152 spec.name = found.name;
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153 } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
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154 return resolveMode("application/xml")
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155 } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
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156 return resolveMode("application/json")
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157 }
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158 if (typeof spec == "string") { return {name: spec} }
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159 else { return spec || {name: "null"} }
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160 }
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161
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162 // Given a mode spec (anything that resolveMode accepts), find and
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163 // initialize an actual mode object.
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164 function getMode(options, spec) {
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165 spec = resolveMode(spec);
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166 var mfactory = modes[spec.name];
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167 if (!mfactory) { return getMode(options, "text/plain") }
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168 var modeObj = mfactory(options, spec);
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169 if (modeExtensions.hasOwnProperty(spec.name)) {
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170 var exts = modeExtensions[spec.name];
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171 for (var prop in exts) {
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172 if (!exts.hasOwnProperty(prop)) { continue }
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173 if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
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174 modeObj[prop] = exts[prop];
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175 }
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176 }
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177 modeObj.name = spec.name;
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178 if (spec.helperType) { modeObj.helperType = spec.helperType; }
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179 if (spec.modeProps) { for (var prop$1 in spec.modeProps)
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180 { modeObj[prop$1] = spec.modeProps[prop$1]; } }
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181
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182 return modeObj
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183 }
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184
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185 // This can be used to attach properties to mode objects from
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186 // outside the actual mode definition.
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187 var modeExtensions = {};
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188 function extendMode(mode, properties) {
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189 var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
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190 copyObj(properties, exts);
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191 }
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192
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193 function copyState(mode, state) {
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194 if (state === true) { return state }
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195 if (mode.copyState) { return mode.copyState(state) }
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196 var nstate = {};
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197 for (var n in state) {
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198 var val = state[n];
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199 if (val instanceof Array) { val = val.concat([]); }
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200 nstate[n] = val;
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201 }
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202 return nstate
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203 }
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204
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205 // Given a mode and a state (for that mode), find the inner mode and
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206 // state at the position that the state refers to.
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207 function innerMode(mode, state) {
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208 var info;
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209 while (mode.innerMode) {
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210 info = mode.innerMode(state);
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211 if (!info || info.mode == mode) { break }
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212 state = info.state;
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213 mode = info.mode;
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214 }
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215 return info || {mode: mode, state: state}
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216 }
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217
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218 function startState(mode, a1, a2) {
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219 return mode.startState ? mode.startState(a1, a2) : true
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220 }
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221
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222 var modeMethods = {
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223 __proto__: null,
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224 modes: modes,
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225 mimeModes: mimeModes,
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226 defineMode: defineMode,
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227 defineMIME: defineMIME,
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228 resolveMode: resolveMode,
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229 getMode: getMode,
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230 modeExtensions: modeExtensions,
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231 extendMode: extendMode,
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232 copyState: copyState,
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233 innerMode: innerMode,
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234 startState: startState
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235 };
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236
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237 // Copy StringStream and mode methods into exports (CodeMirror) object.
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238 exports.StringStream = StringStream;
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239 exports.countColumn = countColumn;
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240 for (var exported in modeMethods) { exports[exported] = modeMethods[exported]; }
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241
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242 // Shim library CodeMirror with the minimal CodeMirror defined above.
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243 require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];
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244 require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")];
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245
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246 // Minimal default mode.
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247 exports.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
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248 exports.defineMIME("text/plain", "null");
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249
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250 exports.registerHelper = exports.registerGlobalHelper = Math.min;
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251 exports.splitLines = function(string) { return string.split(/\r?\n|\r/) };
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252
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253 exports.defaults = { indentUnit: 2 };
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254
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255 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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256 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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257
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258 (function(mod) {
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259 if (typeof exports == "object" && typeof module == "object") // CommonJS
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260 { mod(require("../../lib/codemirror")); }
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261 else if (typeof define == "function" && define.amd) // AMD
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262 { define(["../../lib/codemirror"], mod); }
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263 else // Plain browser env
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264 { mod(CodeMirror); }
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265 })(function(CodeMirror) {
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266
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267 CodeMirror.runMode = function(string, modespec, callback, options) {
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268 var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
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269 var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
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270
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271 // Create a tokenizing callback function if passed-in callback is a DOM element.
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272 if (callback.appendChild) {
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273 var ie = /MSIE \d/.test(navigator.userAgent);
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274 var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
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275 var node = callback, col = 0;
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276 node.textContent = "";
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277 callback = function(text, style) {
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278 if (text == "\n") {
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279 // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
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280 // Emitting a carriage return makes everything ok.
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281 node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
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282 col = 0;
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283 return;
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284 }
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285 var content = "";
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286 // replace tabs
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287 for (var pos = 0;;) {
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288 var idx = text.indexOf("\t", pos);
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289 if (idx == -1) {
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290 content += text.slice(pos);
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291 col += text.length - pos;
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292 break;
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293 } else {
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294 col += idx - pos;
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295 content += text.slice(pos, idx);
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296 var size = tabSize - col % tabSize;
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297 col += size;
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298 for (var i = 0; i < size; ++i) { content += " "; }
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299 pos = idx + 1;
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300 }
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301 }
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302 // Create a node with token style and append it to the callback DOM element.
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303 if (style) {
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304 var sp = node.appendChild(document.createElement("span"));
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305 sp.className = "cm-" + style.replace(/ +/g, " cm-");
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306 sp.appendChild(document.createTextNode(content));
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307 } else {
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308 node.appendChild(document.createTextNode(content));
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309 }
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310 };
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311 }
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312
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313 var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
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314 for (var i = 0, e = lines.length; i < e; ++i) {
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315 if (i) { callback("\n"); }
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316 var stream = new CodeMirror.StringStream(lines[i], null, {
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317 lookAhead: function(n) { return lines[i + n] },
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318 baseToken: function() {}
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319 });
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320 if (!stream.string && mode.blankLine) { mode.blankLine(state); }
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321 while (!stream.eol()) {
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322 var style = mode.token(stream, state);
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323 callback(stream.current(), style, i, stream.start, state, mode);
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324 stream.start = stream.pos;
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325 }
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326 }
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327 };
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328
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329 });
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