| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ReducedModelControl.java | 23.8% | 34.5% | 60% | 36.4% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.model.definitions.reducedmodel; | |
| 38 | ||
| 39 | import java.util.ArrayList; | |
| 40 | ||
| 41 | import edu.rice.cs.util.UnexpectedException; | |
| 42 | ||
| 43 | /** This class provides an implementation of the BraceReduction interface for brace matching. In order to correctly | |
| 44 | * match, this class keeps track of what is commented (line and block) and what is inside double quotes (strings). | |
| 45 | * To avoid unnecessary complication, this class maintains a few invariants for its consistent states, i.e., between | |
| 46 | * top-level function calls. | |
| 47 | * <ol> | |
| 48 | * <li> The cursor offset is never at the end of a brace. If movement or insertion puts it there, the cursor is | |
| 49 | * updated to point to the 0 offset of the next brace. (token?) | |
| 50 | * <li> Quoting information is invalid inside valid comments. When part of the document becomes uncommented, the | |
| 51 | * reduced model must update the quoting information linearly in the newly revealed code. | |
| 52 | * <li> Quote shadowing and comment shadowing are mutually exclusive. | |
| 53 | * <li> There is no nesting of comment open characters. If // is encountered in the middle of a comment, it is | |
| 54 | * treated as two separate slashes. Similarly for /*. | |
| 55 | * </ol> | |
| 56 | * All of the code in the class assumes that the document read lock and the lock on this are held. | |
| 57 | * @author JavaPLT | |
| 58 | * @version $Id: ReducedModelControl.java 5175 2010-01-20 08:46:32Z mgricken $ | |
| 59 | */ | |
| 60 | public class ReducedModelControl implements BraceReduction { | |
| 61 | /* private fields; default visibility for testing purposes only. */ | |
| 62 | final ReducedModelBrace _rmb; // the reduced brace model | |
| 63 | final ReducedModelComment _rmc; // the reduced comment model | |
| 64 | volatile int _offset; | |
| 65 | ||
| 66 | /** Standard constructor. */ | |
| 67 | 1582 | public ReducedModelControl() { |
| 68 | 1582 | _rmb = new ReducedModelBrace(this); |
| 69 | 1582 | _rmc = new ReducedModelComment(); |
| 70 | } | |
| 71 | ||
| 72 | /** @return the absolute offset of the cursor in the brace model, which is expensive. Used for testing purposes only. | |
| 73 | * This value should agree with commentCursorOffset(). | |
| 74 | */ | |
| 75 | 0 | public int braceCursorOffset() { return _rmb.absOffset(); } |
| 76 | /** @return the absolute offset of the cursor in the comment model, which is expensive. Used for testing purposes | |
| 77 | * only. This value should agree with braceCursorOffset(). | |
| 78 | */ | |
| 79 | 0 | public int commentCursorOffset() { return _rmc.absOffset(); } |
| 80 | ||
| 81 | /** @return the absolute offset of the walker in the comment model, which is expensive. Used for testing purposes only. */ | |
| 82 | 0 | public int walkerOffset() { return _rmc.walkerOffset(); } |
| 83 | ||
| 84 | // private ReducedModelBrace _getRMB() { return _rmb; } | |
| 85 | ||
| 86 | // private ReducedModelComment _getRMC() { return _rmc; } | |
| 87 | ||
| 88 | 62498 | public void insertChar(char ch) { |
| 89 | 62498 | _rmb.insertChar(ch); |
| 90 | 62498 | _rmc.insertChar(ch); |
| 91 | } | |
| 92 | ||
| 93 | /** Updates the BraceReduction to reflect cursor movement. Negative values move left; positive values move right. | |
| 94 | * ASSUMES that count is within range, i.e. that 0 <= absOffset() + count <= getLength | |
| 95 | * NOTE: this method does NOT move the _walker in ReduceModelComment. | |
| 96 | * @param count indicates the direction and magnitude of cursor movement | |
| 97 | */ | |
| 98 | 474470 | public void move(int count) { |
| 99 | 474470 | try { |
| 100 | 474470 | _rmb.move(count); |
| 101 | 474468 | _rmc.move(count); |
| 102 | } | |
| 103 | catch(IllegalArgumentException e) { | |
| 104 | 2 | resetLocation(); // Why reset the _walker here? |
| 105 | 2 | throw new UnexpectedException(e); |
| 106 | } | |
| 107 | } | |
| 108 | ||
| 109 | /** Updates the BraceReduction to reflect text deletion. Assumes that count is within range! | |
| 110 | * @param count A number indicating the size and direction of text deletion. Negative values delete text to the left | |
| 111 | * of the cursor, positive values delete text to the right. | |
| 112 | */ | |
| 113 | 337 | public void delete(int count) { |
| 114 | 337 | _rmb.delete(count); |
| 115 | 337 | _rmc.delete(count); |
| 116 | } | |
| 117 | ||
| 118 | /** Determines if cursor position is shadowed by comment or string (does not include opening comment or quotation "brace"). */ | |
| 119 | 185777 | public boolean isShadowed() { return _rmc.isShadowed(); } |
| 120 | ||
| 121 | /** Determines if current token is either shadowed or an opening comment brace ("//" or "/*"). */ | |
| 122 | 0 | public boolean isWeaklyShadowed() { return _rmc.isWeaklyShadowed(); } |
| 123 | ||
| 124 | /** Finds the closing brace that matches the next significant brace iff that brace is an open brace. Fails when | |
| 125 | * brace is shadowed. </P> | |
| 126 | * @return the distance until the matching closing brace. On failure, returns -1. | |
| 127 | * @see #balanceBackward() | |
| 128 | */ | |
| 129 | 3982 | public int balanceForward() { return _rmb.balanceForward(); } |
| 130 | ||
| 131 | /** Finds the open brace that matches the previous significant brace iff that brace is an closing brace. Fails when | |
| 132 | * brace is shadowed. </P> | |
| 133 | * @return the distance until the matching open brace. On failure, returns -1. | |
| 134 | * @see #balanceForward() | |
| 135 | */ | |
| 136 | 94 | public int balanceBackward() { return _rmb.balanceBackward(); } |
| 137 | ||
| 138 | /** Returns the state at the relDistance, where relDistance is relative to the last time it was called. You can reset | |
| 139 | * the last call to the current offset using resetLocation. | |
| 140 | */ | |
| 141 | 8011 | public ReducedModelState moveWalkerGetState(int relDistance) { return _rmc.moveWalkerGetState(relDistance); } |
| 142 | ||
| 143 | /** This function resets the location of the walker in the comment list to where the current cursor is. This allows | |
| 144 | * the walker to keep walking and using relative distance instead of having to rewalk the same distance every call | |
| 145 | * to stateAtRelLocation. It is an optimization. | |
| 146 | */ | |
| 147 | 5526 | public void resetLocation() { _rmc.resetWalkerLocationToCursor(); } |
| 148 | ||
| 149 | /** Gets the token currently pointed at by the cursor. Because the reduced model is split into two reduced sub-models, | |
| 150 | * we have to check each sub-model first as each one has unique information. If we find a non-gap token in either | |
| 151 | * sub-model we want to return that. Otherwise, we want to return a sort of hybrid Gap of the two, i.e., a Gap where | |
| 152 | * there are neither special comment/quote tokens nor parens/squigglies/brackets. | |
| 153 | * @return a ReducedToken representative of the unified reduced model | |
| 154 | */ | |
| 155 | 454 | public ReducedToken currentToken() { |
| 156 | // check the reduced comment model for specials | |
| 157 | 454 | ReducedToken rmcToken = _rmc.current(); |
| 158 | 361 | if (! rmcToken.isGap()) return rmcToken; |
| 159 | // check the reduced brace model for braces | |
| 160 | 93 | ReducedToken rmbToken = _rmb.current(); |
| 161 | 93 | if (! rmbToken.isGap()) { |
| 162 | 30 | rmbToken.setState(_rmc.getStateAtCurrent()); |
| 163 | 30 | return rmbToken; |
| 164 | } | |
| 165 | // otherwise, we have a gap. | |
| 166 | 63 | int size = getSize(rmbToken,rmcToken); |
| 167 | 63 | return new Gap(size, _rmc.getStateAtCurrent()); |
| 168 | } | |
| 169 | ||
| 170 | /** Gets the shadowing state at the current caret position. | |
| 171 | * @return FREE|INSIDE_LINE_COMMENT|INSIDE_BLOCK_COMMENT| | |
| 172 | * INSIDE_SINGLE_QUOTE|INSIDE_DOUBLE_QUOTE | |
| 173 | */ | |
| 174 | 87556 | public ReducedModelState getStateAtCurrent() { return _rmc.getStateAtCurrent(); } |
| 175 | ||
| 176 | /** Get a string representation of the current token's type. | |
| 177 | * @return "" if current is a Gap, otherwise, use ReducedToken.getType() | |
| 178 | */ | |
| 179 | 0 | String getType() { |
| 180 | 0 | ReducedToken rmcToken = _rmc.current(); |
| 181 | 0 | if (! rmcToken.isGap()) |
| 182 | 0 | return rmcToken.getType(); |
| 183 | ||
| 184 | 0 | ReducedToken rmbToken = _rmb.current(); |
| 185 | 0 | if (! rmbToken.isGap()) { |
| 186 | 0 | return rmbToken.getType(); |
| 187 | } | |
| 188 | 0 | return ""; //a gap |
| 189 | } | |
| 190 | ||
| 191 | /** Gets the size of the current token. It checks both the brace and comment sub-models to find the size of the | |
| 192 | * current token. If the current token is a Gap, we have to reconcile the information of both sub-models in order | |
| 193 | * to get the correct size of the current token as seen by the outside world. | |
| 194 | * @return the number of characters represented by the current token | |
| 195 | */ | |
| 196 | 0 | int getSize() { |
| 197 | 0 | return getSize(_rmb.current(),_rmc.current()); |
| 198 | } | |
| 199 | ||
| 200 | 63 | int getSize(ReducedToken rmbToken, ReducedToken rmcToken) { |
| 201 | 63 | int rmb_offset = _rmb.getBlockOffset(); |
| 202 | 63 | int rmc_offset = _rmc.getBlockOffset(); |
| 203 | 63 | int rmb_size = rmbToken.getSize(); |
| 204 | 63 | int rmc_size = rmcToken.getSize(); |
| 205 | 63 | int size; |
| 206 | 63 | if (rmb_offset < rmc_offset) { |
| 207 | 2 | size = rmb_offset; |
| 208 | 2 | _offset = size; |
| 209 | } | |
| 210 | else { | |
| 211 | 61 | size = rmc_offset; |
| 212 | 61 | _offset = size; |
| 213 | } | |
| 214 | ||
| 215 | 63 | if (rmb_size - rmb_offset < rmc_size - rmc_offset) { |
| 216 | 2 | size += (rmb_size - rmb_offset); |
| 217 | } | |
| 218 | else { | |
| 219 | 61 | size += (rmc_size - rmc_offset); |
| 220 | } | |
| 221 | 63 | return size; |
| 222 | } | |
| 223 | ||
| 224 | /** Move the reduced model to the next token (with 0 offset) and update the cursor information. */ | |
| 225 | 0 | void next() { |
| 226 | 0 | if (_rmc._cursor.atStart()) { |
| 227 | 0 | _rmc.next(); |
| 228 | 0 | _rmb.next(); |
| 229 | 0 | return; |
| 230 | } | |
| 231 | 0 | int size = getSize(_rmb.current(), _rmc.current()); |
| 232 | 0 | _rmc.move(size - _offset); |
| 233 | 0 | _rmb.move(size - _offset); |
| 234 | } | |
| 235 | ||
| 236 | /** Move the reduced model to the previous token and update the cursor information. */ | |
| 237 | 0 | void prev() { |
| 238 | 0 | int size; |
| 239 | 0 | if (_rmc._cursor.atEnd()) { |
| 240 | 0 | _rmc.prev(); |
| 241 | 0 | _rmb.prev(); |
| 242 | 0 | if (_rmc._cursor.atStart()) { |
| 243 | 0 | return; // because in place now. |
| 244 | } | |
| 245 | ||
| 246 | 0 | if (_rmc.current().getSize() < _rmb.current().getSize()) { |
| 247 | 0 | size = -_rmc.current().getSize(); |
| 248 | } | |
| 249 | else { | |
| 250 | 0 | size = -_rmb.current().getSize(); |
| 251 | } | |
| 252 | 0 | _rmc.next(); |
| 253 | 0 | _rmb.next(); |
| 254 | 0 | move(size); |
| 255 | } | |
| 256 | 0 | else if (_rmb.getBlockOffset() < _rmc.getBlockOffset()) { |
| 257 | 0 | _rmb.prev(); |
| 258 | 0 | size = _rmb.current().getSize() + _rmb.getBlockOffset(); |
| 259 | 0 | _rmb.next(); |
| 260 | 0 | if (size < _rmc.getBlockOffset()) { |
| 261 | 0 | move(-size); |
| 262 | } | |
| 263 | else { | |
| 264 | 0 | move(-_rmc.getBlockOffset()); |
| 265 | } | |
| 266 | } | |
| 267 | 0 | else if (_rmb.getBlockOffset() == _rmc.getBlockOffset()) { |
| 268 | 0 | _rmb.prev(); |
| 269 | 0 | _rmc.prev(); |
| 270 | 0 | _rmb.setBlockOffset(0); |
| 271 | 0 | _rmc.setBlockOffset(0); |
| 272 | } | |
| 273 | else { | |
| 274 | 0 | _rmc.prev(); |
| 275 | 0 | size = _rmc.current().getSize() + _rmc.getBlockOffset(); |
| 276 | 0 | _rmc.next(); |
| 277 | 0 | if (size < _rmb.getBlockOffset()) { |
| 278 | 0 | move(-size); |
| 279 | } | |
| 280 | else { | |
| 281 | 0 | move(-_rmb.getBlockOffset()); |
| 282 | } | |
| 283 | } | |
| 284 | } | |
| 285 | ||
| 286 | /** Get the previous token. */ | |
| 287 | 0 | public ReducedToken prevItem() { |
| 288 | 0 | int rmbOffset = _rmb.getBlockOffset(); |
| 289 | 0 | int rmcOffset = _rmc.getBlockOffset(); |
| 290 | ||
| 291 | 0 | prev(); |
| 292 | 0 | ReducedToken temp = currentToken(); |
| 293 | 0 | next(); |
| 294 | ||
| 295 | 0 | _rmb.setBlockOffset(rmbOffset); |
| 296 | 0 | _rmc.setBlockOffset(rmcOffset); |
| 297 | 0 | return temp; |
| 298 | } | |
| 299 | ||
| 300 | /** Get the next token. */ | |
| 301 | 0 | public ReducedToken nextItem() { |
| 302 | 0 | int rmbOffset = _rmb.getBlockOffset(); |
| 303 | 0 | int rmcOffset = _rmc.getBlockOffset(); |
| 304 | 0 | next(); |
| 305 | 0 | ReducedToken temp = currentToken(); |
| 306 | 0 | prev(); |
| 307 | 0 | _rmb.setBlockOffset(rmbOffset); |
| 308 | 0 | _rmc.setBlockOffset(rmcOffset); |
| 309 | 0 | return temp; |
| 310 | } | |
| 311 | ||
| 312 | /** Determines if the cursor is at the end of the reduced model. */ | |
| 313 | 9 | boolean atEnd() { return (_rmb._cursor.atEnd() || _rmc._cursor.atEnd()); } |
| 314 | ||
| 315 | /** Determines if the cursor is at the start of the reduced model. */ | |
| 316 | 1 | boolean atStart() { return (_rmb._cursor.atStart() || _rmc._cursor.atStart()); } |
| 317 | ||
| 318 | /** Gets the offset within the current token. */ | |
| 319 | 4 | int getBlockOffset() { |
| 320 | 0 | if (_rmb.getBlockOffset() < _rmc.getBlockOffset()) return _rmb.getBlockOffset(); |
| 321 | 4 | return _rmc.getBlockOffset(); |
| 322 | } | |
| 323 | ||
| 324 | /** Gets the absolute character offset into the document represented by the reduced model. */ | |
| 325 | 130 | public int absOffset() { |
| 326 | 130 | int offset = _rmc.absOffset(); |
| 327 | 130 | assert offset == _rmb.absOffset(); |
| 328 | 130 | return offset; |
| 329 | } | |
| 330 | ||
| 331 | ||
| 332 | /** A toString() substitute. */ | |
| 333 | 0 | public String simpleString() { |
| 334 | 0 | return "\n********\n" + _rmb.simpleString() + "\n________\n" + _rmc.simpleString(); |
| 335 | } | |
| 336 | ||
| 337 | // /** Returns an IndentInfo containing the following information: | |
| 338 | // * - distance to the previous newline (start of this line) | |
| 339 | // * - distance to the brace enclosing the beginning of the current line | |
| 340 | // * - distance to the beginning of the line containing that brace | |
| 341 | // */ | |
| 342 | // public IndentInfo getIndentInformation() { | |
| 343 | // IndentInfo info = new IndentInfo(); | |
| 344 | // //get distance to the previous newline (in info.distToStart) | |
| 345 | //// System.err.println("Before calls, info = " + info); | |
| 346 | // _rmc.getDistToStart(info); | |
| 347 | //// System.err.println("After getDistToStart, info = " + info); | |
| 348 | // //get distance to the closing brace before that new line. | |
| 349 | // _rmb.getDistToLineEnclosingBrace(info); | |
| 350 | //// System.err.println("After getDistToLineEnclosingBrace, info = " + info); | |
| 351 | // //get distance to newline before the previous, just mentioned, brace. | |
| 352 | // _rmc.getDistToLineEnclosingBraceStart(info); | |
| 353 | //// System.err.println("After getDistToLineEnclosingBraceStart info = " + info); | |
| 354 | // // get distance to the brace enclosing the current location | |
| 355 | // _rmb.getDistToEnclosingBrace(info); | |
| 356 | //// System.err.println("After getDistToEnclosingBrace, info = " + info); | |
| 357 | // // get distance to the beginning of that brace's line | |
| 358 | // _rmc.getDistToEnclosingBraceStart(info); | |
| 359 | //// System.err.println("After getDistToEnclosingBraceStart, info = " + info); | |
| 360 | // return info; | |
| 361 | // } | |
| 362 | ||
| 363 | 0 | public int getDistToIdentNewline() { return -1; } |
| 364 | 0 | public int getDistToEnclosingBraceStart() { return -1; } |
| 365 | ||
| 366 | /** Gets info about the brace enclosing the beginning of this line. */ | |
| 367 | 821 | public BraceInfo _getLineEnclosingBrace() { return _rmb._getLineEnclosingBrace(); } |
| 368 | ||
| 369 | /** Gets info about the brace enclosing this location. */ | |
| 370 | 354 | public BraceInfo _getEnclosingBrace() { return _rmb._getEnclosingBrace(); } |
| 371 | /** Gets distance to the new newline character (not including the newline). */ | |
| 372 | 821 | public int getDistToStart() { return _rmc.getDistToStart(); } |
| 373 | /** Gets distance to previous newline character (not including the newline). */ | |
| 374 | 15137 | public int getDistToStart(int relLoc) { return _rmc.getDistToStart(relLoc); } |
| 375 | ||
| 376 | 24740 | public int getDistToNextNewline() { return _rmc.getDistToNextNewline(); } |
| 377 | ||
| 378 | /** Return all highlight status info for text between the current location and current location + length. This should | |
| 379 | * collapse adjoining blocks with the same status into one. Assumes read and reduced locks are already held. | |
| 380 | * @param start The start location of the area being inspected. The reduced model cursor is already set at this | |
| 381 | * position, but this value is needed to compute the absolute positions of HighlightStatus objects. | |
| 382 | * @param length The length of the text segment for which status information must be generated. | |
| 383 | */ | |
| 384 | 0 | public ArrayList<HighlightStatus> getHighlightStatus(final int start, final int length) { |
| 385 | 0 | ArrayList<HighlightStatus> vec = new ArrayList<HighlightStatus>(); |
| 386 | ||
| 387 | 0 | int curState; |
| 388 | 0 | int curLocation; |
| 389 | 0 | int curLength; |
| 390 | ||
| 391 | 0 | TokenList.Iterator cursor = _rmc._cursor.copy(); |
| 392 | // int ct = rmc._tokens.listenerCount(); | |
| 393 | 0 | curLocation = start; |
| 394 | // NOTE: old code threw an exception if cursor.atStart(); it used wrong value for curLength atEnd too | |
| 395 | // curLength = ! cursor.atEnd() ? cursor.current().getSize() - rmc.getBlockOffset() : start + length; | |
| 396 | // curState = ! cursor.atEnd() ? cursor.current().getHighlightState() : 0; | |
| 397 | 0 | if (cursor.atEnd() || cursor.atStart()) { // cursor is not inside a reduced model token |
| 398 | 0 | curLength = length; |
| 399 | 0 | curState = 0; |
| 400 | } | |
| 401 | else { | |
| 402 | 0 | curLength = cursor.current().getSize() - _rmc.getBlockOffset(); |
| 403 | 0 | curState = cursor.current().getHighlightState(); |
| 404 | } | |
| 405 | ||
| 406 | 0 | while (curLocation + curLength < start + length) { |
| 407 | 0 | cursor.next(); |
| 408 | //TODO: figure out why this function is iterating past the end of the collection | |
| 409 | //when it gets called from the ColoringGlyphPainter after deleting the last character | |
| 410 | 0 | if (cursor.atEnd()) break; |
| 411 | 0 | int nextState = cursor.current().getHighlightState(); |
| 412 | ||
| 413 | 0 | if (nextState == curState) { |
| 414 | // add on and keep building | |
| 415 | 0 | curLength += cursor.current().getSize(); |
| 416 | } | |
| 417 | else { | |
| 418 | // add old one to the vector and start new one | |
| 419 | 0 | vec.add(new HighlightStatus(curLocation, curLength, curState)); |
| 420 | 0 | curLocation += curLength; // new block starts after previous one |
| 421 | 0 | curLength = cursor.current().getSize(); |
| 422 | 0 | curState = nextState; |
| 423 | } | |
| 424 | } | |
| 425 | ||
| 426 | // Make sure this token length doesn't extend past start+length. | |
| 427 | // This is because we guarantee that the returned vector only refers | |
| 428 | // to chars on [start, start+length). | |
| 429 | 0 | int requestEnd = start + length; |
| 430 | 0 | if (curLocation + curLength > requestEnd) curLength = requestEnd - curLocation; |
| 431 | ||
| 432 | // Add the last one, which has not been added yet | |
| 433 | 0 | vec.add(new HighlightStatus(curLocation, curLength, curState)); |
| 434 | ||
| 435 | 0 | cursor.dispose(); |
| 436 | ||
| 437 | 0 | return vec; |
| 438 | } | |
| 439 | } |
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