1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 | // ============== Formatting extensions ============================ // A common storage for all mode-specific formatting features if (!CodeMirror.modeExtensions) CodeMirror.modeExtensions = {}; // Returns the extension of the editor's current mode CodeMirror.defineExtension("getModeExt", function () { return CodeMirror.modeExtensions[this.getOption("mode")]; }); // If the current mode is 'htmlmixed', returns the extension of a mode located at // the specified position (can be htmlmixed, css or javascript). Otherwise, simply // returns the extension of the editor's current mode. CodeMirror.defineExtension("getModeExtAtPos", function (pos) { var token = this.getTokenAt(pos); if (token && token.state && token.state.mode) return CodeMirror.modeExtensions[token.state.mode == "html" ? "htmlmixed" : token.state.mode]; else return this.getModeExt(); }); // Comment/uncomment the specified range CodeMirror.defineExtension("commentRange", function (isComment, from, to) { var curMode = this.getModeExtAtPos(this.getCursor()); if (isComment) { // Comment range var commentedText = this.getRange(from, to); this.replaceRange(curMode.commentStart + this.getRange(from, to) + curMode.commentEnd , from, to); if (from.line == to.line && from.ch == to.ch) { // An empty comment inserted - put cursor inside this.setCursor(from.line, from.ch + curMode.commentStart.length); } } else { // Uncomment range var selText = this.getRange(from, to); var startIndex = selText.indexOf(curMode.commentStart); var endIndex = selText.lastIndexOf(curMode.commentEnd); if (startIndex > -1 && endIndex > -1 && endIndex > startIndex) { // Take string till comment start selText = selText.substr(0, startIndex) // From comment start till comment end + selText.substring(startIndex + curMode.commentStart.length, endIndex) // From comment end till string end + selText.substr(endIndex + curMode.commentEnd.length); } this.replaceRange(selText, from, to); } }); // Applies automatic mode-aware indentation to the specified range CodeMirror.defineExtension("autoIndentRange", function (from, to) { var cmInstance = this; this.operation(function () { for (var i = from.line; i <= to.line; i++) { cmInstance.indentLine(i); } }); }); // Applies automatic formatting to the specified range CodeMirror.defineExtension("autoFormatRange", function (from, to) { var absStart = this.indexFromPos(from); var absEnd = this.indexFromPos(to); // Insert additional line breaks where necessary according to the // mode's syntax var res = this.getModeExt().autoFormatLineBreaks(this.getValue(), absStart, absEnd); var cmInstance = this; // Replace and auto-indent the range this.operation(function () { cmInstance.replaceRange(res, from, to); var startLine = cmInstance.posFromIndex(absStart).line; var endLine = cmInstance.posFromIndex(absStart + res.length).line; for (var i = startLine; i <= endLine; i++) { cmInstance.indentLine(i); } }); }); // Define extensions for a few modes CodeMirror.modeExtensions["css"] = { commentStart: "/*", commentEnd: "*/", wordWrapChars: [";", "\\{", "\\}"], autoFormatLineBreaks: function (text) { return text.replace(new RegExp("(;|\\{|\\})([^\r\n])", "g"), "$1\n$2"); } }; CodeMirror.modeExtensions["javascript"] = { commentStart: "/*", commentEnd: "*/", wordWrapChars: [";", "\\{", "\\}"], getNonBreakableBlocks: function (text) { var nonBreakableRegexes = [ new RegExp("for\\s*?\\(([\\s\\S]*?)\\)"), new RegExp("'([\\s\\S]*?)('|$)"), new RegExp("\"([\\s\\S]*?)(\"|$)"), new RegExp("//.*([\r\n]|$)") ]; var nonBreakableBlocks = new Array(); for (var i = 0; i < nonBreakableRegexes.length; i++) { var curPos = 0; while (curPos < text.length) { var m = text.substr(curPos).match(nonBreakableRegexes[i]); if (m != null) { nonBreakableBlocks.push({ start: curPos + m.index, end: curPos + m.index + m[0].length }); curPos += m.index + Math.max(1, m[0].length); } else { // No more matches break; } } } nonBreakableBlocks.sort(function (a, b) { return a.start - b.start; }); return nonBreakableBlocks; }, autoFormatLineBreaks: function (text) { var curPos = 0; var reLinesSplitter = new RegExp("(;|\\{|\\})([^\r\n])", "g"); var nonBreakableBlocks = this.getNonBreakableBlocks(text); if (nonBreakableBlocks != null) { var res = ""; for (var i = 0; i < nonBreakableBlocks.length; i++) { if (nonBreakableBlocks[i].start > curPos) { // Break lines till the block res += text.substring(curPos, nonBreakableBlocks[i].start).replace(reLinesSplitter, "$1\n$2"); curPos = nonBreakableBlocks[i].start; } if (nonBreakableBlocks[i].start <= curPos && nonBreakableBlocks[i].end >= curPos) { // Skip non-breakable block res += text.substring(curPos, nonBreakableBlocks[i].end); curPos = nonBreakableBlocks[i].end; } } if (curPos < text.length - 1) { res += text.substr(curPos).replace(reLinesSplitter, "$1\n$2"); } return res; } else { return text.replace(reLinesSplitter, "$1\n$2"); } } }; CodeMirror.modeExtensions["xml"] = { commentStart: "<!--", commentEnd: "-->", wordWrapChars: [">"], autoFormatLineBreaks: function (text) { var lines = text.split("\n"); var reProcessedPortion = new RegExp("(^\\s*?<|^[^<]*?)(.+)(>\\s*?$|[^>]*?$)"); var reOpenBrackets = new RegExp("<", "g"); var reCloseBrackets = new RegExp("(>)([^\r\n])", "g"); for (var i = 0; i < lines.length; i++) { var mToProcess = lines[i].match(reProcessedPortion); if (mToProcess != null && mToProcess.length > 3) { // The line starts with whitespaces and ends with whitespaces lines[i] = mToProcess[1] + mToProcess[2].replace(reOpenBrackets, "\n$&").replace(reCloseBrackets, "$1\n$2") + mToProcess[3]; continue; } } return lines.join("\n"); } }; CodeMirror.modeExtensions["htmlmixed"] = { commentStart: "<!--", commentEnd: "-->", wordWrapChars: [">", ";", "\\{", "\\}"], getModeInfos: function (text, absPos) { var modeInfos = new Array(); modeInfos[0] = { pos: 0, modeExt: CodeMirror.modeExtensions["xml"], modeName: "xml" }; var modeMatchers = new Array(); modeMatchers[0] = { regex: new RegExp("<style[^>]*>([\\s\\S]*?)(</style[^>]*>|$)", "i"), modeExt: CodeMirror.modeExtensions["css"], modeName: "css" }; modeMatchers[1] = { regex: new RegExp("<script[^>]*>([\\s\\S]*?)(</script[^>]*>|$)", "i"), modeExt: CodeMirror.modeExtensions["javascript"], modeName: "javascript" }; var lastCharPos = (typeof (absPos) !== "undefined" ? absPos : text.length - 1); // Detect modes for the entire text for (var i = 0; i < modeMatchers.length; i++) { var curPos = 0; while (curPos <= lastCharPos) { var m = text.substr(curPos).match(modeMatchers[i].regex); if (m != null) { if (m.length > 1 && m[1].length > 0) { // Push block begin pos var blockBegin = curPos + m.index + m[0].indexOf(m[1]); modeInfos.push( { pos: blockBegin, modeExt: modeMatchers[i].modeExt, modeName: modeMatchers[i].modeName }); // Push block end pos modeInfos.push( { pos: blockBegin + m[1].length, modeExt: modeInfos[0].modeExt, modeName: modeInfos[0].modeName }); curPos += m.index + m[0].length; continue; } else { curPos += m.index + Math.max(m[0].length, 1); } } else { // No more matches break; } } } // Sort mode infos modeInfos.sort(function sortModeInfo(a, b) { return a.pos - b.pos; }); return modeInfos; }, autoFormatLineBreaks: function (text, startPos, endPos) { var modeInfos = this.getModeInfos(text); var reBlockStartsWithNewline = new RegExp("^\\s*?\n"); var reBlockEndsWithNewline = new RegExp("\n\\s*?$"); var res = ""; // Use modes info to break lines correspondingly if (modeInfos.length > 1) { // Deal with multi-mode text for (var i = 1; i <= modeInfos.length; i++) { var selStart = modeInfos[i - 1].pos; var selEnd = (i < modeInfos.length ? modeInfos[i].pos : endPos); if (selStart >= endPos) { // The block starts later than the needed fragment break; } if (selStart < startPos) { if (selEnd <= startPos) { // The block starts earlier than the needed fragment continue; } selStart = startPos; } if (selEnd > endPos) { selEnd = endPos; } var textPortion = text.substring(selStart, selEnd); if (modeInfos[i - 1].modeName != "xml") { // Starting a CSS or JavaScript block if (!reBlockStartsWithNewline.test(textPortion) && selStart > 0) { // The block does not start with a line break textPortion = "\n" + textPortion; } if (!reBlockEndsWithNewline.test(textPortion) && selEnd < text.length - 1) { // The block does not end with a line break textPortion += "\n"; } } res += modeInfos[i - 1].modeExt.autoFormatLineBreaks(textPortion); } } else { // Single-mode text res = modeInfos[0].modeExt.autoFormatLineBreaks(text.substring(startPos, endPos)); } return res; } }; |