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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("../xml/xml"), require("../meta"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror", "../xml/xml", "../meta"], 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 CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
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15
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16 var htmlMode = CodeMirror.getMode(cmCfg, "text/html");
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17 var htmlModeMissing = htmlMode.name == "null"
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18
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19 function getMode(name) {
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20 if (CodeMirror.findModeByName) {
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21 var found = CodeMirror.findModeByName(name);
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22 if (found) name = found.mime || found.mimes[0];
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23 }
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24 var mode = CodeMirror.getMode(cmCfg, name);
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25 return mode.name == "null" ? null : mode;
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26 }
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27
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28 // Should characters that affect highlighting be highlighted separate?
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29 // Does not include characters that will be output (such as `1.` and `-` for lists)
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30 if (modeCfg.highlightFormatting === undefined)
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31 modeCfg.highlightFormatting = false;
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32
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33 // Maximum number of nested blockquotes. Set to 0 for infinite nesting.
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34 // Excess `>` will emit `error` token.
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35 if (modeCfg.maxBlockquoteDepth === undefined)
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36 modeCfg.maxBlockquoteDepth = 0;
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37
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38 // Turn on task lists? ("- [ ] " and "- [x] ")
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39 if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;
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40
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41 // Turn on strikethrough syntax
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42 if (modeCfg.strikethrough === undefined)
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43 modeCfg.strikethrough = false;
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44
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45 if (modeCfg.emoji === undefined)
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46 modeCfg.emoji = false;
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47
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48 if (modeCfg.fencedCodeBlockHighlighting === undefined)
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49 modeCfg.fencedCodeBlockHighlighting = true;
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50
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51 if (modeCfg.fencedCodeBlockDefaultMode === undefined)
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52 modeCfg.fencedCodeBlockDefaultMode = 'text/plain';
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53
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54 if (modeCfg.xml === undefined)
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55 modeCfg.xml = true;
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56
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57 // Allow token types to be overridden by user-provided token types.
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58 if (modeCfg.tokenTypeOverrides === undefined)
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59 modeCfg.tokenTypeOverrides = {};
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60
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61 var tokenTypes = {
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62 header: "header",
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63 code: "comment",
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64 quote: "quote",
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65 list1: "variable-2",
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66 list2: "variable-3",
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67 list3: "keyword",
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68 hr: "hr",
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69 image: "image",
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70 imageAltText: "image-alt-text",
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71 imageMarker: "image-marker",
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72 formatting: "formatting",
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73 linkInline: "link",
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74 linkEmail: "link",
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75 linkText: "link",
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76 linkHref: "string",
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77 em: "em",
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78 strong: "strong",
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79 strikethrough: "strikethrough",
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80 emoji: "builtin"
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81 };
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82
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83 for (var tokenType in tokenTypes) {
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84 if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) {
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85 tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType];
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86 }
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87 }
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88
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89 var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/
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90 , listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/
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91 , taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE
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92 , atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
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93 , setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/
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94 , textRE = /^[^#!\[\]*_\\<>` "'(~:]+/
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95 , fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/
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96 , linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
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97 , punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/
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98 , expandedTab = " " // CommonMark specifies tab as 4 spaces
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99
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100 function switchInline(stream, state, f) {
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101 state.f = state.inline = f;
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102 return f(stream, state);
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103 }
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104
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105 function switchBlock(stream, state, f) {
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106 state.f = state.block = f;
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107 return f(stream, state);
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108 }
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109
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110 function lineIsEmpty(line) {
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111 return !line || !/\S/.test(line.string)
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112 }
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113
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114 // Blocks
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115
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116 function blankLine(state) {
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117 // Reset linkTitle state
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118 state.linkTitle = false;
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119 state.linkHref = false;
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120 state.linkText = false;
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121 // Reset EM state
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122 state.em = false;
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123 // Reset STRONG state
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124 state.strong = false;
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125 // Reset strikethrough state
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126 state.strikethrough = false;
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127 // Reset state.quote
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128 state.quote = 0;
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129 // Reset state.indentedCode
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130 state.indentedCode = false;
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131 if (state.f == htmlBlock) {
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132 var exit = htmlModeMissing
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133 if (!exit) {
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134 var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
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135 exit = inner.mode.name == "xml" && inner.state.tagStart === null &&
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136 (!inner.state.context && inner.state.tokenize.isInText)
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137 }
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138 if (exit) {
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139 state.f = inlineNormal;
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140 state.block = blockNormal;
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141 state.htmlState = null;
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142 }
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143 }
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144 // Reset state.trailingSpace
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145 state.trailingSpace = 0;
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146 state.trailingSpaceNewLine = false;
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147 // Mark this line as blank
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148 state.prevLine = state.thisLine
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149 state.thisLine = {stream: null}
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150 return null;
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151 }
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152
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153 function blockNormal(stream, state) {
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154 var firstTokenOnLine = stream.column() === state.indentation;
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155 var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream);
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156 var prevLineIsIndentedCode = state.indentedCode;
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157 var prevLineIsHr = state.prevLine.hr;
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158 var prevLineIsList = state.list !== false;
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159 var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3;
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160
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161 state.indentedCode = false;
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162
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163 var lineIndentation = state.indentation;
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164 // compute once per line (on first token)
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165 if (state.indentationDiff === null) {
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166 state.indentationDiff = state.indentation;
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167 if (prevLineIsList) {
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168 state.list = null;
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169 // While this list item's marker's indentation is less than the deepest
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170 // list item's content's indentation,pop the deepest list item
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171 // indentation off the stack, and update block indentation state
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172 while (lineIndentation < state.listStack[state.listStack.length - 1]) {
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173 state.listStack.pop();
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174 if (state.listStack.length) {
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175 state.indentation = state.listStack[state.listStack.length - 1];
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176 // less than the first list's indent -> the line is no longer a list
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177 } else {
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178 state.list = false;
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179 }
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180 }
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181 if (state.list !== false) {
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182 state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1]
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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 // not comprehensive (currently only for setext detection purposes)
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188 var allowsInlineContinuation = (
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189 !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header &&
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190 (!prevLineIsList || !prevLineIsIndentedCode) &&
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191 !state.prevLine.fencedCodeEnd
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192 );
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193
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194 var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) &&
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195 state.indentation <= maxNonCodeIndentation && stream.match(hrRE);
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196
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197 var match = null;
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198 if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd ||
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199 state.prevLine.header || prevLineLineIsEmpty)) {
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200 stream.skipToEnd();
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201 state.indentedCode = true;
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202 return tokenTypes.code;
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203 } else if (stream.eatSpace()) {
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204 return null;
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205 } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
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206 state.quote = 0;
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207 state.header = match[1].length;
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208 state.thisLine.header = true;
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209 if (modeCfg.highlightFormatting) state.formatting = "header";
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210 state.f = state.inline;
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211 return getType(state);
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212 } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) {
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213 state.quote = firstTokenOnLine ? 1 : state.quote + 1;
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214 if (modeCfg.highlightFormatting) state.formatting = "quote";
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215 stream.eatSpace();
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216 return getType(state);
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217 } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) {
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218 var listType = match[1] ? "ol" : "ul";
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219
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220 state.indentation = lineIndentation + stream.current().length;
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221 state.list = true;
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222 state.quote = 0;
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223
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224 // Add this list item's content's indentation to the stack
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225 state.listStack.push(state.indentation);
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226 // Reset inline styles which shouldn't propagate across list items
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227 state.em = false;
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228 state.strong = false;
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229 state.code = false;
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230 state.strikethrough = false;
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231
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232 if (modeCfg.taskLists && stream.match(taskListRE, false)) {
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233 state.taskList = true;
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234 }
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235 state.f = state.inline;
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236 if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];
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237 return getType(state);
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238 } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) {
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239 state.quote = 0;
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240 state.fencedEndRE = new RegExp(match[1] + "+ *$");
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241 // try switching mode
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242 state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );
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243 if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
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244 state.f = state.block = local;
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245 if (modeCfg.highlightFormatting) state.formatting = "code-block";
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246 state.code = -1
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247 return getType(state);
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248 // SETEXT has lowest block-scope precedence after HR, so check it after
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249 // the others (code, blockquote, list...)
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250 } else if (
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251 // if setext set, indicates line after ---/===
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252 state.setext || (
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253 // line before ---/===
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254 (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false &&
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255 !state.code && !isHr && !linkDefRE.test(stream.string) &&
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256 (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE))
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257 )
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258 ) {
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259 if ( !state.setext ) {
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260 state.header = match[0].charAt(0) == '=' ? 1 : 2;
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261 state.setext = state.header;
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262 } else {
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263 state.header = state.setext;
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264 // has no effect on type so we can reset it now
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265 state.setext = 0;
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266 stream.skipToEnd();
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267 if (modeCfg.highlightFormatting) state.formatting = "header";
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268 }
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269 state.thisLine.header = true;
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270 state.f = state.inline;
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271 return getType(state);
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272 } else if (isHr) {
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273 stream.skipToEnd();
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274 state.hr = true;
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275 state.thisLine.hr = true;
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276 return tokenTypes.hr;
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277 } else if (stream.peek() === '[') {
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278 return switchInline(stream, state, footnoteLink);
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279 }
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280
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281 return switchInline(stream, state, state.inline);
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282 }
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283
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284 function htmlBlock(stream, state) {
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285 var style = htmlMode.token(stream, state.htmlState);
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286 if (!htmlModeMissing) {
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287 var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
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288 if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
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289 (!inner.state.context && inner.state.tokenize.isInText)) ||
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290 (state.md_inside && stream.current().indexOf(">") > -1)) {
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291 state.f = inlineNormal;
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292 state.block = blockNormal;
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293 state.htmlState = null;
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294 }
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295 }
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296 return style;
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297 }
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298
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299 function local(stream, state) {
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300 var currListInd = state.listStack[state.listStack.length - 1] || 0;
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301 var hasExitedList = state.indentation < currListInd;
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302 var maxFencedEndInd = currListInd + 3;
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303 if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) {
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304 if (modeCfg.highlightFormatting) state.formatting = "code-block";
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305 var returnType;
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306 if (!hasExitedList) returnType = getType(state)
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307 state.localMode = state.localState = null;
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308 state.block = blockNormal;
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309 state.f = inlineNormal;
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310 state.fencedEndRE = null;
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311 state.code = 0
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312 state.thisLine.fencedCodeEnd = true;
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313 if (hasExitedList) return switchBlock(stream, state, state.block);
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314 return returnType;
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315 } else if (state.localMode) {
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316 return state.localMode.token(stream, state.localState);
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317 } else {
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318 stream.skipToEnd();
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319 return tokenTypes.code;
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320 }
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321 }
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322
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323 // Inline
|
|
|
324 function getType(state) {
|
|
|
325 var styles = [];
|
|
|
326
|
|
|
327 if (state.formatting) {
|
|
|
328 styles.push(tokenTypes.formatting);
|
|
|
329
|
|
|
330 if (typeof state.formatting === "string") state.formatting = [state.formatting];
|
|
|
331
|
|
|
332 for (var i = 0; i < state.formatting.length; i++) {
|
|
|
333 styles.push(tokenTypes.formatting + "-" + state.formatting[i]);
|
|
|
334
|
|
|
335 if (state.formatting[i] === "header") {
|
|
|
336 styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header);
|
|
|
337 }
|
|
|
338
|
|
|
339 // Add `formatting-quote` and `formatting-quote-#` for blockquotes
|
|
|
340 // Add `error` instead if the maximum blockquote nesting depth is passed
|
|
|
341 if (state.formatting[i] === "quote") {
|
|
|
342 if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
|
|
|
343 styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote);
|
|
|
344 } else {
|
|
|
345 styles.push("error");
|
|
|
346 }
|
|
|
347 }
|
|
|
348 }
|
|
|
349 }
|
|
|
350
|
|
|
351 if (state.taskOpen) {
|
|
|
352 styles.push("meta");
|
|
|
353 return styles.length ? styles.join(' ') : null;
|
|
|
354 }
|
|
|
355 if (state.taskClosed) {
|
|
|
356 styles.push("property");
|
|
|
357 return styles.length ? styles.join(' ') : null;
|
|
|
358 }
|
|
|
359
|
|
|
360 if (state.linkHref) {
|
|
|
361 styles.push(tokenTypes.linkHref, "url");
|
|
|
362 } else { // Only apply inline styles to non-url text
|
|
|
363 if (state.strong) { styles.push(tokenTypes.strong); }
|
|
|
364 if (state.em) { styles.push(tokenTypes.em); }
|
|
|
365 if (state.strikethrough) { styles.push(tokenTypes.strikethrough); }
|
|
|
366 if (state.emoji) { styles.push(tokenTypes.emoji); }
|
|
|
367 if (state.linkText) { styles.push(tokenTypes.linkText); }
|
|
|
368 if (state.code) { styles.push(tokenTypes.code); }
|
|
|
369 if (state.image) { styles.push(tokenTypes.image); }
|
|
|
370 if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); }
|
|
|
371 if (state.imageMarker) { styles.push(tokenTypes.imageMarker); }
|
|
|
372 }
|
|
|
373
|
|
|
374 if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); }
|
|
|
375
|
|
|
376 if (state.quote) {
|
|
|
377 styles.push(tokenTypes.quote);
|
|
|
378
|
|
|
379 // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth
|
|
|
380 if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
|
|
|
381 styles.push(tokenTypes.quote + "-" + state.quote);
|
|
|
382 } else {
|
|
|
383 styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth);
|
|
|
384 }
|
|
|
385 }
|
|
|
386
|
|
|
387 if (state.list !== false) {
|
|
|
388 var listMod = (state.listStack.length - 1) % 3;
|
|
|
389 if (!listMod) {
|
|
|
390 styles.push(tokenTypes.list1);
|
|
|
391 } else if (listMod === 1) {
|
|
|
392 styles.push(tokenTypes.list2);
|
|
|
393 } else {
|
|
|
394 styles.push(tokenTypes.list3);
|
|
|
395 }
|
|
|
396 }
|
|
|
397
|
|
|
398 if (state.trailingSpaceNewLine) {
|
|
|
399 styles.push("trailing-space-new-line");
|
|
|
400 } else if (state.trailingSpace) {
|
|
|
401 styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b"));
|
|
|
402 }
|
|
|
403
|
|
|
404 return styles.length ? styles.join(' ') : null;
|
|
|
405 }
|
|
|
406
|
|
|
407 function handleText(stream, state) {
|
|
|
408 if (stream.match(textRE, true)) {
|
|
|
409 return getType(state);
|
|
|
410 }
|
|
|
411 return undefined;
|
|
|
412 }
|
|
|
413
|
|
|
414 function inlineNormal(stream, state) {
|
|
|
415 var style = state.text(stream, state);
|
|
|
416 if (typeof style !== 'undefined')
|
|
|
417 return style;
|
|
|
418
|
|
|
419 if (state.list) { // List marker (*, +, -, 1., etc)
|
|
|
420 state.list = null;
|
|
|
421 return getType(state);
|
|
|
422 }
|
|
|
423
|
|
|
424 if (state.taskList) {
|
|
|
425 var taskOpen = stream.match(taskListRE, true)[1] === " ";
|
|
|
426 if (taskOpen) state.taskOpen = true;
|
|
|
427 else state.taskClosed = true;
|
|
|
428 if (modeCfg.highlightFormatting) state.formatting = "task";
|
|
|
429 state.taskList = false;
|
|
|
430 return getType(state);
|
|
|
431 }
|
|
|
432
|
|
|
433 state.taskOpen = false;
|
|
|
434 state.taskClosed = false;
|
|
|
435
|
|
|
436 if (state.header && stream.match(/^#+$/, true)) {
|
|
|
437 if (modeCfg.highlightFormatting) state.formatting = "header";
|
|
|
438 return getType(state);
|
|
|
439 }
|
|
|
440
|
|
|
441 var ch = stream.next();
|
|
|
442
|
|
|
443 // Matches link titles present on next line
|
|
|
444 if (state.linkTitle) {
|
|
|
445 state.linkTitle = false;
|
|
|
446 var matchCh = ch;
|
|
|
447 if (ch === '(') {
|
|
|
448 matchCh = ')';
|
|
|
449 }
|
|
|
450 matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1");
|
|
|
451 var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
|
|
|
452 if (stream.match(new RegExp(regex), true)) {
|
|
|
453 return tokenTypes.linkHref;
|
|
|
454 }
|
|
|
455 }
|
|
|
456
|
|
|
457 // If this block is changed, it may need to be updated in GFM mode
|
|
|
458 if (ch === '`') {
|
|
|
459 var previousFormatting = state.formatting;
|
|
|
460 if (modeCfg.highlightFormatting) state.formatting = "code";
|
|
|
461 stream.eatWhile('`');
|
|
|
462 var count = stream.current().length
|
|
|
463 if (state.code == 0 && (!state.quote || count == 1)) {
|
|
|
464 state.code = count
|
|
|
465 return getType(state)
|
|
|
466 } else if (count == state.code) { // Must be exact
|
|
|
467 var t = getType(state)
|
|
|
468 state.code = 0
|
|
|
469 return t
|
|
|
470 } else {
|
|
|
471 state.formatting = previousFormatting
|
|
|
472 return getType(state)
|
|
|
473 }
|
|
|
474 } else if (state.code) {
|
|
|
475 return getType(state);
|
|
|
476 }
|
|
|
477
|
|
|
478 if (ch === '\\') {
|
|
|
479 stream.next();
|
|
|
480 if (modeCfg.highlightFormatting) {
|
|
|
481 var type = getType(state);
|
|
|
482 var formattingEscape = tokenTypes.formatting + "-escape";
|
|
|
483 return type ? type + " " + formattingEscape : formattingEscape;
|
|
|
484 }
|
|
|
485 }
|
|
|
486
|
|
|
487 if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {
|
|
|
488 state.imageMarker = true;
|
|
|
489 state.image = true;
|
|
|
490 if (modeCfg.highlightFormatting) state.formatting = "image";
|
|
|
491 return getType(state);
|
|
|
492 }
|
|
|
493
|
|
|
494 if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) {
|
|
|
495 state.imageMarker = false;
|
|
|
496 state.imageAltText = true
|
|
|
497 if (modeCfg.highlightFormatting) state.formatting = "image";
|
|
|
498 return getType(state);
|
|
|
499 }
|
|
|
500
|
|
|
501 if (ch === ']' && state.imageAltText) {
|
|
|
502 if (modeCfg.highlightFormatting) state.formatting = "image";
|
|
|
503 var type = getType(state);
|
|
|
504 state.imageAltText = false;
|
|
|
505 state.image = false;
|
|
|
506 state.inline = state.f = linkHref;
|
|
|
507 return type;
|
|
|
508 }
|
|
|
509
|
|
|
510 if (ch === '[' && !state.image) {
|
|
|
511 if (state.linkText && stream.match(/^.*?\]/)) return getType(state)
|
|
|
512 state.linkText = true;
|
|
|
513 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
514 return getType(state);
|
|
|
515 }
|
|
|
516
|
|
|
517 if (ch === ']' && state.linkText) {
|
|
|
518 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
519 var type = getType(state);
|
|
|
520 state.linkText = false;
|
|
|
521 state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal
|
|
|
522 return type;
|
|
|
523 }
|
|
|
524
|
|
|
525 if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) {
|
|
|
526 state.f = state.inline = linkInline;
|
|
|
527 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
528 var type = getType(state);
|
|
|
529 if (type){
|
|
|
530 type += " ";
|
|
|
531 } else {
|
|
|
532 type = "";
|
|
|
533 }
|
|
|
534 return type + tokenTypes.linkInline;
|
|
|
535 }
|
|
|
536
|
|
|
537 if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) {
|
|
|
538 state.f = state.inline = linkInline;
|
|
|
539 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
540 var type = getType(state);
|
|
|
541 if (type){
|
|
|
542 type += " ";
|
|
|
543 } else {
|
|
|
544 type = "";
|
|
|
545 }
|
|
|
546 return type + tokenTypes.linkEmail;
|
|
|
547 }
|
|
|
548
|
|
|
549 if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {
|
|
|
550 var end = stream.string.indexOf(">", stream.pos);
|
|
|
551 if (end != -1) {
|
|
|
552 var atts = stream.string.substring(stream.start, end);
|
|
|
553 if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true;
|
|
|
554 }
|
|
|
555 stream.backUp(1);
|
|
|
556 state.htmlState = CodeMirror.startState(htmlMode);
|
|
|
557 return switchBlock(stream, state, htmlBlock);
|
|
|
558 }
|
|
|
559
|
|
|
560 if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) {
|
|
|
561 state.md_inside = false;
|
|
|
562 return "tag";
|
|
|
563 } else if (ch === "*" || ch === "_") {
|
|
|
564 var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2)
|
|
|
565 while (len < 3 && stream.eat(ch)) len++
|
|
|
566 var after = stream.peek() || " "
|
|
|
567 // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis
|
|
|
568 var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before))
|
|
|
569 var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after))
|
|
|
570 var setEm = null, setStrong = null
|
|
|
571 if (len % 2) { // Em
|
|
|
572 if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
|
|
|
573 setEm = true
|
|
|
574 else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
|
|
|
575 setEm = false
|
|
|
576 }
|
|
|
577 if (len > 1) { // Strong
|
|
|
578 if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
|
|
|
579 setStrong = true
|
|
|
580 else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
|
|
|
581 setStrong = false
|
|
|
582 }
|
|
|
583 if (setStrong != null || setEm != null) {
|
|
|
584 if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em"
|
|
|
585 if (setEm === true) state.em = ch
|
|
|
586 if (setStrong === true) state.strong = ch
|
|
|
587 var t = getType(state)
|
|
|
588 if (setEm === false) state.em = false
|
|
|
589 if (setStrong === false) state.strong = false
|
|
|
590 return t
|
|
|
591 }
|
|
|
592 } else if (ch === ' ') {
|
|
|
593 if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
|
|
|
594 if (stream.peek() === ' ') { // Surrounded by spaces, ignore
|
|
|
595 return getType(state);
|
|
|
596 } else { // Not surrounded by spaces, back up pointer
|
|
|
597 stream.backUp(1);
|
|
|
598 }
|
|
|
599 }
|
|
|
600 }
|
|
|
601
|
|
|
602 if (modeCfg.strikethrough) {
|
|
|
603 if (ch === '~' && stream.eatWhile(ch)) {
|
|
|
604 if (state.strikethrough) {// Remove strikethrough
|
|
|
605 if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
|
|
|
606 var t = getType(state);
|
|
|
607 state.strikethrough = false;
|
|
|
608 return t;
|
|
|
609 } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough
|
|
|
610 state.strikethrough = true;
|
|
|
611 if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
|
|
|
612 return getType(state);
|
|
|
613 }
|
|
|
614 } else if (ch === ' ') {
|
|
|
615 if (stream.match('~~', true)) { // Probably surrounded by space
|
|
|
616 if (stream.peek() === ' ') { // Surrounded by spaces, ignore
|
|
|
617 return getType(state);
|
|
|
618 } else { // Not surrounded by spaces, back up pointer
|
|
|
619 stream.backUp(2);
|
|
|
620 }
|
|
|
621 }
|
|
|
622 }
|
|
|
623 }
|
|
|
624
|
|
|
625 if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) {
|
|
|
626 state.emoji = true;
|
|
|
627 if (modeCfg.highlightFormatting) state.formatting = "emoji";
|
|
|
628 var retType = getType(state);
|
|
|
629 state.emoji = false;
|
|
|
630 return retType;
|
|
|
631 }
|
|
|
632
|
|
|
633 if (ch === ' ') {
|
|
|
634 if (stream.match(/^ +$/, false)) {
|
|
|
635 state.trailingSpace++;
|
|
|
636 } else if (state.trailingSpace) {
|
|
|
637 state.trailingSpaceNewLine = true;
|
|
|
638 }
|
|
|
639 }
|
|
|
640
|
|
|
641 return getType(state);
|
|
|
642 }
|
|
|
643
|
|
|
644 function linkInline(stream, state) {
|
|
|
645 var ch = stream.next();
|
|
|
646
|
|
|
647 if (ch === ">") {
|
|
|
648 state.f = state.inline = inlineNormal;
|
|
|
649 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
650 var type = getType(state);
|
|
|
651 if (type){
|
|
|
652 type += " ";
|
|
|
653 } else {
|
|
|
654 type = "";
|
|
|
655 }
|
|
|
656 return type + tokenTypes.linkInline;
|
|
|
657 }
|
|
|
658
|
|
|
659 stream.match(/^[^>]+/, true);
|
|
|
660
|
|
|
661 return tokenTypes.linkInline;
|
|
|
662 }
|
|
|
663
|
|
|
664 function linkHref(stream, state) {
|
|
|
665 // Check if space, and return NULL if so (to avoid marking the space)
|
|
|
666 if(stream.eatSpace()){
|
|
|
667 return null;
|
|
|
668 }
|
|
|
669 var ch = stream.next();
|
|
|
670 if (ch === '(' || ch === '[') {
|
|
|
671 state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]");
|
|
|
672 if (modeCfg.highlightFormatting) state.formatting = "link-string";
|
|
|
673 state.linkHref = true;
|
|
|
674 return getType(state);
|
|
|
675 }
|
|
|
676 return 'error';
|
|
|
677 }
|
|
|
678
|
|
|
679 var linkRE = {
|
|
|
680 ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/,
|
|
|
681 "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/
|
|
|
682 }
|
|
|
683
|
|
|
684 function getLinkHrefInside(endChar) {
|
|
|
685 return function(stream, state) {
|
|
|
686 var ch = stream.next();
|
|
|
687
|
|
|
688 if (ch === endChar) {
|
|
|
689 state.f = state.inline = inlineNormal;
|
|
|
690 if (modeCfg.highlightFormatting) state.formatting = "link-string";
|
|
|
691 var returnState = getType(state);
|
|
|
692 state.linkHref = false;
|
|
|
693 return returnState;
|
|
|
694 }
|
|
|
695
|
|
|
696 stream.match(linkRE[endChar])
|
|
|
697 state.linkHref = true;
|
|
|
698 return getType(state);
|
|
|
699 };
|
|
|
700 }
|
|
|
701
|
|
|
702 function footnoteLink(stream, state) {
|
|
|
703 if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) {
|
|
|
704 state.f = footnoteLinkInside;
|
|
|
705 stream.next(); // Consume [
|
|
|
706 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
707 state.linkText = true;
|
|
|
708 return getType(state);
|
|
|
709 }
|
|
|
710 return switchInline(stream, state, inlineNormal);
|
|
|
711 }
|
|
|
712
|
|
|
713 function footnoteLinkInside(stream, state) {
|
|
|
714 if (stream.match(']:', true)) {
|
|
|
715 state.f = state.inline = footnoteUrl;
|
|
|
716 if (modeCfg.highlightFormatting) state.formatting = "link";
|
|
|
717 var returnType = getType(state);
|
|
|
718 state.linkText = false;
|
|
|
719 return returnType;
|
|
|
720 }
|
|
|
721
|
|
|
722 stream.match(/^([^\]\\]|\\.)+/, true);
|
|
|
723
|
|
|
724 return tokenTypes.linkText;
|
|
|
725 }
|
|
|
726
|
|
|
727 function footnoteUrl(stream, state) {
|
|
|
728 // Check if space, and return NULL if so (to avoid marking the space)
|
|
|
729 if(stream.eatSpace()){
|
|
|
730 return null;
|
|
|
731 }
|
|
|
732 // Match URL
|
|
|
733 stream.match(/^[^\s]+/, true);
|
|
|
734 // Check for link title
|
|
|
735 if (stream.peek() === undefined) { // End of line, set flag to check next line
|
|
|
736 state.linkTitle = true;
|
|
|
737 } else { // More content on line, check if link title
|
|
|
738 stream.match(/^(?:\s+(?:"(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+'|\((?:[^)\\]|\\.)+\)))?/, true);
|
|
|
739 }
|
|
|
740 state.f = state.inline = inlineNormal;
|
|
|
741 return tokenTypes.linkHref + " url";
|
|
|
742 }
|
|
|
743
|
|
|
744 var mode = {
|
|
|
745 startState: function() {
|
|
|
746 return {
|
|
|
747 f: blockNormal,
|
|
|
748
|
|
|
749 prevLine: {stream: null},
|
|
|
750 thisLine: {stream: null},
|
|
|
751
|
|
|
752 block: blockNormal,
|
|
|
753 htmlState: null,
|
|
|
754 indentation: 0,
|
|
|
755
|
|
|
756 inline: inlineNormal,
|
|
|
757 text: handleText,
|
|
|
758
|
|
|
759 formatting: false,
|
|
|
760 linkText: false,
|
|
|
761 linkHref: false,
|
|
|
762 linkTitle: false,
|
|
|
763 code: 0,
|
|
|
764 em: false,
|
|
|
765 strong: false,
|
|
|
766 header: 0,
|
|
|
767 setext: 0,
|
|
|
768 hr: false,
|
|
|
769 taskList: false,
|
|
|
770 list: false,
|
|
|
771 listStack: [],
|
|
|
772 quote: 0,
|
|
|
773 trailingSpace: 0,
|
|
|
774 trailingSpaceNewLine: false,
|
|
|
775 strikethrough: false,
|
|
|
776 emoji: false,
|
|
|
777 fencedEndRE: null
|
|
|
778 };
|
|
|
779 },
|
|
|
780
|
|
|
781 copyState: function(s) {
|
|
|
782 return {
|
|
|
783 f: s.f,
|
|
|
784
|
|
|
785 prevLine: s.prevLine,
|
|
|
786 thisLine: s.thisLine,
|
|
|
787
|
|
|
788 block: s.block,
|
|
|
789 htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState),
|
|
|
790 indentation: s.indentation,
|
|
|
791
|
|
|
792 localMode: s.localMode,
|
|
|
793 localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,
|
|
|
794
|
|
|
795 inline: s.inline,
|
|
|
796 text: s.text,
|
|
|
797 formatting: false,
|
|
|
798 linkText: s.linkText,
|
|
|
799 linkTitle: s.linkTitle,
|
|
|
800 linkHref: s.linkHref,
|
|
|
801 code: s.code,
|
|
|
802 em: s.em,
|
|
|
803 strong: s.strong,
|
|
|
804 strikethrough: s.strikethrough,
|
|
|
805 emoji: s.emoji,
|
|
|
806 header: s.header,
|
|
|
807 setext: s.setext,
|
|
|
808 hr: s.hr,
|
|
|
809 taskList: s.taskList,
|
|
|
810 list: s.list,
|
|
|
811 listStack: s.listStack.slice(0),
|
|
|
812 quote: s.quote,
|
|
|
813 indentedCode: s.indentedCode,
|
|
|
814 trailingSpace: s.trailingSpace,
|
|
|
815 trailingSpaceNewLine: s.trailingSpaceNewLine,
|
|
|
816 md_inside: s.md_inside,
|
|
|
817 fencedEndRE: s.fencedEndRE
|
|
|
818 };
|
|
|
819 },
|
|
|
820
|
|
|
821 token: function(stream, state) {
|
|
|
822
|
|
|
823 // Reset state.formatting
|
|
|
824 state.formatting = false;
|
|
|
825
|
|
|
826 if (stream != state.thisLine.stream) {
|
|
|
827 state.header = 0;
|
|
|
828 state.hr = false;
|
|
|
829
|
|
|
830 if (stream.match(/^\s*$/, true)) {
|
|
|
831 blankLine(state);
|
|
|
832 return null;
|
|
|
833 }
|
|
|
834
|
|
|
835 state.prevLine = state.thisLine
|
|
|
836 state.thisLine = {stream: stream}
|
|
|
837
|
|
|
838 // Reset state.taskList
|
|
|
839 state.taskList = false;
|
|
|
840
|
|
|
841 // Reset state.trailingSpace
|
|
|
842 state.trailingSpace = 0;
|
|
|
843 state.trailingSpaceNewLine = false;
|
|
|
844
|
|
|
845 if (!state.localState) {
|
|
|
846 state.f = state.block;
|
|
|
847 if (state.f != htmlBlock) {
|
|
|
848 var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length;
|
|
|
849 state.indentation = indentation;
|
|
|
850 state.indentationDiff = null;
|
|
|
851 if (indentation > 0) return null;
|
|
|
852 }
|
|
|
853 }
|
|
|
854 }
|
|
|
855 return state.f(stream, state);
|
|
|
856 },
|
|
|
857
|
|
|
858 innerMode: function(state) {
|
|
|
859 if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode};
|
|
|
860 if (state.localState) return {state: state.localState, mode: state.localMode};
|
|
|
861 return {state: state, mode: mode};
|
|
|
862 },
|
|
|
863
|
|
|
864 indent: function(state, textAfter, line) {
|
|
|
865 if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line)
|
|
|
866 if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line)
|
|
|
867 return CodeMirror.Pass
|
|
|
868 },
|
|
|
869
|
|
|
870 blankLine: blankLine,
|
|
|
871
|
|
|
872 getType: getType,
|
|
|
873
|
|
|
874 blockCommentStart: "<!--",
|
|
|
875 blockCommentEnd: "-->",
|
|
|
876 closeBrackets: "()[]{}''\"\"``",
|
|
|
877 fold: "markdown"
|
|
|
878 };
|
|
|
879 return mode;
|
|
|
880 }, "xml");
|
|
|
881
|
|
|
882 CodeMirror.defineMIME("text/markdown", "markdown");
|
|
|
883
|
|
|
884 CodeMirror.defineMIME("text/x-markdown", "markdown");
|
|
|
885
|
|
|
886 });
|
