| 1 | |
| 2 | "use strict"; |
| 3 | /** |
| 4 | * @typedef {import("../../ace-internal").Ace.SyntaxMode} SyntaxMode |
| 5 | */ |
| 6 | |
| 7 | var config = require("../config"); |
| 8 | |
| 9 | var Tokenizer = require("../tokenizer").Tokenizer; |
| 10 | |
| 11 | var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules; |
| 12 | var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour; |
| 13 | var unicode = require("../unicode"); |
| 14 | var lang = require("../lib/lang"); |
| 15 | var TokenIterator = require("../token_iterator").TokenIterator; |
| 16 | var Range = require("../range").Range; |
| 17 | |
| 18 | var Mode; |
| 19 | Mode = function() { |
| 20 | this.HighlightRules = TextHighlightRules; |
| 21 | }; |
| 22 | |
| 23 | (function() { |
| 24 | this.$defaultBehaviour = new CstyleBehaviour(); |
| 25 | |
| 26 | this.tokenRe = new RegExp("^[" + unicode.wordChars + "\\$_]+", "g"); |
| 27 | |
| 28 | this.nonTokenRe = new RegExp("^(?:[^" + unicode.wordChars + "\\$_]|\\s])+", "g"); |
| 29 | |
| 30 | /** |
| 31 | * @this {SyntaxMode} |
| 32 | */ |
| 33 | this.getTokenizer = function() { |
| 34 | if (!this.$tokenizer) { |
| 35 | this.$highlightRules = this.$highlightRules || new this.HighlightRules(this.$highlightRuleConfig); |
| 36 | this.$tokenizer = new Tokenizer(this.$highlightRules.getRules()); |
| 37 | } |
| 38 | return this.$tokenizer; |
| 39 | }; |
| 40 | |
| 41 | this.lineCommentStart = ""; |
| 42 | this.blockComment = ""; |
| 43 | |
| 44 | /** |
| 45 | * @this {SyntaxMode} |
| 46 | */ |
| 47 | this.toggleCommentLines = function(state, session, startRow, endRow) { |
| 48 | var doc = session.doc; |
| 49 | |
| 50 | var ignoreBlankLines = true; |
| 51 | var shouldRemove = true; |
| 52 | var minIndent = Infinity; |
| 53 | var tabSize = session.getTabSize(); |
| 54 | var insertAtTabStop = false; |
| 55 | |
| 56 | if (!this.lineCommentStart) { |
| 57 | if (!this.blockComment) |
| 58 | return false; |
| 59 | /**@type {any}*/ |
| 60 | var lineCommentStart = this.blockComment.start; |
| 61 | var lineCommentEnd = this.blockComment.end; |
| 62 | /**@type {any}*/ |
| 63 | var regexpStart = new RegExp("^(\\s*)(?:" + lang.escapeRegExp(lineCommentStart) + ")"); |
| 64 | var regexpEnd = new RegExp("(?:" + lang.escapeRegExp(lineCommentEnd) + ")\\s*$"); |
| 65 | |
| 66 | var comment = function(line, i) { |
| 67 | if (testRemove(line, i)) |
| 68 | return; |
| 69 | if (!ignoreBlankLines || /\S/.test(line)) { |
| 70 | doc.insertInLine({row: i, column: line.length}, lineCommentEnd); |
| 71 | doc.insertInLine({row: i, column: minIndent}, lineCommentStart); |
| 72 | } |
| 73 | }; |
| 74 | |
| 75 | var uncomment = function(line, i) { |
| 76 | var m; |
| 77 | if (m = line.match(regexpEnd)) |
| 78 | doc.removeInLine(i, line.length - m[0].length, line.length); |
| 79 | if (m = line.match(regexpStart)) |
| 80 | doc.removeInLine(i, m[1].length, m[0].length); |
| 81 | }; |
| 82 | |
| 83 | /**@type {any}*/ |
| 84 | var testRemove = function(line, row) { |
| 85 | if (regexpStart.test(line)) |
| 86 | return true; |
| 87 | var tokens = session.getTokens(row); |
| 88 | for (var i = 0; i < tokens.length; i++) { |
| 89 | if (tokens[i].type === "comment") |
| 90 | return true; |
| 91 | } |
| 92 | }; |
| 93 | } else { |
| 94 | if (Array.isArray(this.lineCommentStart)) { |
| 95 | /**@type {any}*/ |
| 96 | var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join("|"); |
| 97 | /**@type {any}*/ |
| 98 | var lineCommentStart = this.lineCommentStart[0]; |
| 99 | } else { |
| 100 | var regexpStart = lang.escapeRegExp(this.lineCommentStart); |
| 101 | /**@type {any}*/ |
| 102 | var lineCommentStart = this.lineCommentStart; |
| 103 | } |
| 104 | regexpStart = new RegExp("^(\\s*)(?:" + regexpStart + ") ?"); |
| 105 | |
| 106 | insertAtTabStop = session.getUseSoftTabs(); |
| 107 | |
| 108 | var uncomment = function(line, i) { |
| 109 | var m = line.match(regexpStart); |
| 110 | if (!m) return; |
| 111 | var start = m[1].length, end = m[0].length; |
| 112 | if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ") |
| 113 | end--; |
| 114 | doc.removeInLine(i, start, end); |
| 115 | }; |
| 116 | var commentWithSpace = lineCommentStart + " "; |
| 117 | var comment = function(line, i) { |
| 118 | if (!ignoreBlankLines || /\S/.test(line)) { |
| 119 | if (shouldInsertSpace(line, minIndent, minIndent)) |
| 120 | doc.insertInLine({row: i, column: minIndent}, commentWithSpace); |
| 121 | else |
| 122 | doc.insertInLine({row: i, column: minIndent}, lineCommentStart); |
| 123 | } |
| 124 | }; |
| 125 | /**@type {any}*/ |
| 126 | var testRemove = function(line, i) { |
| 127 | return regexpStart.test(line); |
| 128 | }; |
| 129 | |
| 130 | var shouldInsertSpace = function(line, before, after) { |
| 131 | var spaces = 0; |
| 132 | while (before-- && line.charAt(before) == " ") |
| 133 | spaces++; |
| 134 | if (spaces % tabSize != 0) |
| 135 | return false; |
| 136 | var spaces = 0; |
| 137 | while (line.charAt(after++) == " ") |
| 138 | spaces++; |
| 139 | if (tabSize > 2) |
| 140 | return spaces % tabSize != tabSize - 1; |
| 141 | else |
| 142 | return spaces % tabSize == 0; |
| 143 | }; |
| 144 | } |
| 145 | |
| 146 | function iter(fun) { |
| 147 | for (var i = startRow; i <= endRow; i++) |
| 148 | fun(doc.getLine(i), i); |
| 149 | } |
| 150 | |
| 151 | |
| 152 | var minEmptyLength = Infinity; |
| 153 | iter(function(line, i) { |
| 154 | var indent = line.search(/\S/); |
| 155 | if (indent !== -1) { |
| 156 | if (indent < minIndent) |
| 157 | minIndent = indent; |
| 158 | if (shouldRemove && !testRemove(line, i)) |
| 159 | shouldRemove = false; |
| 160 | } else if (minEmptyLength > line.length) { |
| 161 | minEmptyLength = line.length; |
| 162 | } |
| 163 | }); |
| 164 | |
| 165 | if (minIndent == Infinity) { |
| 166 | minIndent = minEmptyLength; |
| 167 | ignoreBlankLines = false; |
| 168 | shouldRemove = false; |
| 169 | } |
| 170 | |
| 171 | if (insertAtTabStop && minIndent % tabSize != 0) |
| 172 | minIndent = Math.floor(minIndent / tabSize) * tabSize; |
| 173 | |
| 174 | iter(shouldRemove ? uncomment : comment); |
| 175 | }; |
| 176 | |
| 177 | /** |
| 178 | * @this {SyntaxMode} |
| 179 | */ |
| 180 | this.toggleBlockComment = function(state, session, range, cursor) { |
| 181 | var comment = this.blockComment; |
| 182 | if (!comment) |
| 183 | return; |
| 184 | if (!comment.start && comment[0]) |
| 185 | comment = comment[0]; |
| 186 | |
| 187 | var iterator = new TokenIterator(session, cursor.row, cursor.column); |
| 188 | var token = iterator.getCurrentToken(); |
| 189 | |
| 190 | var sel = session.selection; |
| 191 | var initialRange = session.selection.toOrientedRange(); |
| 192 | var startRow, colDiff; |
| 193 | |
| 194 | if (token && /comment/.test(token.type)) { |
| 195 | var startRange, endRange; |
| 196 | while (token && /comment/.test(token.type)) { |
| 197 | var i = token.value.indexOf(comment.start); |
| 198 | if (i != -1) { |
| 199 | var row = iterator.getCurrentTokenRow(); |
| 200 | var column = iterator.getCurrentTokenColumn() + i; |
| 201 | startRange = new Range(row, column, row, column + comment.start.length); |
| 202 | break; |
| 203 | } |
| 204 | token = iterator.stepBackward(); |
| 205 | } |
| 206 | |
| 207 | var iterator = new TokenIterator(session, cursor.row, cursor.column); |
| 208 | var token = iterator.getCurrentToken(); |
| 209 | while (token && /comment/.test(token.type)) { |
| 210 | var i = token.value.indexOf(comment.end); |
| 211 | if (i != -1) { |
| 212 | var row = iterator.getCurrentTokenRow(); |
| 213 | var column = iterator.getCurrentTokenColumn() + i; |
| 214 | endRange = new Range(row, column, row, column + comment.end.length); |
| 215 | break; |
| 216 | } |
| 217 | token = iterator.stepForward(); |
| 218 | } |
| 219 | if (endRange) |
| 220 | session.remove(endRange); |
| 221 | if (startRange) { |
| 222 | session.remove(startRange); |
| 223 | startRow = startRange.start.row; |
| 224 | colDiff = -comment.start.length; |
| 225 | } |
| 226 | } else { |
| 227 | colDiff = comment.start.length; |
| 228 | startRow = range.start.row; |
| 229 | session.insert(range.end, comment.end); |
| 230 | session.insert(range.start, comment.start); |
| 231 | } |
| 232 | // todo: selection should have ended up in the right place automatically! |
| 233 | if (initialRange.start.row == startRow) |
| 234 | initialRange.start.column += colDiff; |
| 235 | if (initialRange.end.row == startRow) |
| 236 | initialRange.end.column += colDiff; |
| 237 | session.selection.fromOrientedRange(initialRange); |
| 238 | }; |
| 239 | |
| 240 | this.getNextLineIndent = function(state, line, tab) { |
| 241 | return this.$getIndent(line); |
| 242 | }; |
| 243 | |
| 244 | this.checkOutdent = function(state, line, input) { |
| 245 | return false; |
| 246 | }; |
| 247 | |
| 248 | this.autoOutdent = function(state, doc, row) { |
| 249 | }; |
| 250 | |
| 251 | this.$getIndent = function(line) { |
| 252 | return line.match(/^\s*/)[0]; |
| 253 | }; |
| 254 | |
| 255 | this.createWorker = function(session) { |
| 256 | return null; |
| 257 | }; |
| 258 | |
| 259 | this.createModeDelegates = function (mapping) { |
| 260 | this.$embeds = []; |
| 261 | this.$modes = {}; |
| 262 | for (let i in mapping) { |
| 263 | if (mapping[i]) { |
| 264 | var Mode = mapping[i]; |
| 265 | var id = Mode.prototype.$id; |
| 266 | var mode = config.$modes[id]; |
| 267 | if (!mode) |
| 268 | config.$modes[id] = mode = new Mode(); |
| 269 | if (!config.$modes[i]) |
| 270 | config.$modes[i] = mode; |
| 271 | this.$embeds.push(i); |
| 272 | this.$modes[i] = mode; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | var delegations = ["toggleBlockComment", "toggleCommentLines", "getNextLineIndent", |
| 277 | "checkOutdent", "autoOutdent", "transformAction", "getCompletions"]; |
| 278 | |
| 279 | for (let i = 0; i < delegations.length; i++) { |
| 280 | (function(scope) { |
| 281 | var functionName = delegations[i]; |
| 282 | var defaultHandler = scope[functionName]; |
| 283 | scope[delegations[i]] = |
| 284 | /** @this {import("../../ace-internal").Ace.SyntaxMode} */ |
| 285 | function () { |
| 286 | return this.$delegator(functionName, arguments, defaultHandler); |
| 287 | }; |
| 288 | }(this)); |
| 289 | } |
| 290 | }; |
| 291 | |
| 292 | /** |
| 293 | * @this {SyntaxMode} |
| 294 | */ |
| 295 | this.$delegator = function(method, args, defaultHandler) { |
| 296 | var state = args[0] || "start"; |
| 297 | if (typeof state != "string") { |
| 298 | if (Array.isArray(state[2])) { |
| 299 | var language = state[2][state[2].length - 1]; |
| 300 | var mode = this.$modes[language]; |
| 301 | if (mode) |
| 302 | return mode[method].apply(mode, [state[1]].concat([].slice.call(args, 1))); |
| 303 | } |
| 304 | state = state[0] || "start"; |
| 305 | } |
| 306 | |
| 307 | for (var i = 0; i < this.$embeds.length; i++) { |
| 308 | if (!this.$modes[this.$embeds[i]]) continue; |
| 309 | |
| 310 | var split = state.split(this.$embeds[i]); |
| 311 | if (!split[0] && split[1]) { |
| 312 | args[0] = split[1]; |
| 313 | var mode = this.$modes[this.$embeds[i]]; |
| 314 | return mode[method].apply(mode, args); |
| 315 | } |
| 316 | } |
| 317 | var ret = defaultHandler.apply(this, args); |
| 318 | return defaultHandler ? ret : undefined; |
| 319 | }; |
| 320 | |
| 321 | /** |
| 322 | * @this {SyntaxMode} |
| 323 | */ |
| 324 | this.transformAction = function(state, action, editor, session, param) { |
| 325 | if (this.$behaviour) { |
| 326 | var behaviours = this.$behaviour.getBehaviours(); |
| 327 | for (var key in behaviours) { |
| 328 | if (behaviours[key][action]) { |
| 329 | var ret = behaviours[key][action].apply(this, arguments); |
| 330 | if (ret) { |
| 331 | return ret; |
| 332 | } |
| 333 | } |
| 334 | } |
| 335 | } |
| 336 | }; |
| 337 | |
| 338 | /** |
| 339 | * @this {SyntaxMode} |
| 340 | */ |
| 341 | this.getKeywords = function(append) { |
| 342 | // this is for autocompletion to pick up regexp'ed keywords |
| 343 | if (!this.completionKeywords) { |
| 344 | var rules = this.$tokenizer["rules"]; |
| 345 | var completionKeywords = []; |
| 346 | for (var rule in rules) { |
| 347 | var ruleItr = rules[rule]; |
| 348 | for (var r = 0, l = ruleItr.length; r < l; r++) { |
| 349 | if (typeof ruleItr[r].token === "string") { |
| 350 | if (/keyword|support|storage/.test(ruleItr[r].token)) |
| 351 | completionKeywords.push(ruleItr[r].regex); |
| 352 | } |
| 353 | else if (typeof ruleItr[r].token === "object") { |
| 354 | for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) { |
| 355 | if (/keyword|support|storage/.test(ruleItr[r].token[a])) { |
| 356 | // drop surrounding parens |
| 357 | var rule = ruleItr[r].regex.match(/\(.+?\)/g)[a]; |
| 358 | completionKeywords.push(rule.substr(1, rule.length - 2)); |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | this.completionKeywords = completionKeywords; |
| 365 | } |
| 366 | // this is for highlighting embed rules, like HAML/Ruby or Obj-C/C |
| 367 | if (!append) |
| 368 | return this.$keywordList; |
| 369 | return completionKeywords.concat(this.$keywordList || []); |
| 370 | }; |
| 371 | |
| 372 | /** |
| 373 | * @this {SyntaxMode} |
| 374 | */ |
| 375 | this.$createKeywordList = function() { |
| 376 | if (!this.$highlightRules) |
| 377 | this.getTokenizer(); |
| 378 | return this.$keywordList = this.$highlightRules.$keywordList || []; |
| 379 | }; |
| 380 | |
| 381 | /** |
| 382 | * @this {SyntaxMode} |
| 383 | */ |
| 384 | this.getCompletions = function(state, session, pos, prefix) { |
| 385 | var keywords = this.$keywordList || this.$createKeywordList(); |
| 386 | return keywords.map(function(word) { |
| 387 | return { |
| 388 | name: word, |
| 389 | value: word, |
| 390 | score: 0, |
| 391 | meta: "keyword" |
| 392 | }; |
| 393 | }); |
| 394 | }; |
| 395 | |
| 396 | this.$id = "ace/mode/text"; |
| 397 | }).call(Mode.prototype); |
| 398 | |
| 399 | exports.Mode = Mode; |