| /* |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| * this software and associated documentation files (the "Software"), to deal in |
| * the Software without restriction, including without limitation the rights to |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is furnished to do |
| * so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| package jdk.nashorn.internal.runtime.regexp.joni.ast; |
| |
| import jdk.nashorn.internal.runtime.regexp.joni.constants.AnchorType; |
| |
| @SuppressWarnings("javadoc") |
| public final class AnchorNode extends Node implements AnchorType { |
| public int type; |
| public Node target; |
| public int charLength; |
| |
| public AnchorNode(final int type) { |
| this.type = type; |
| charLength = -1; |
| } |
| |
| @Override |
| public int getType() { |
| return ANCHOR; |
| } |
| |
| @Override |
| protected void setChild(final Node newChild) { |
| target = newChild; |
| } |
| |
| @Override |
| protected Node getChild() { |
| return target; |
| } |
| |
| public void setTarget(final Node tgt) { |
| target = tgt; |
| tgt.parent = this; |
| } |
| |
| @Override |
| public String getName() { |
| return "Anchor"; |
| } |
| |
| @Override |
| public String toString(final int level) { |
| final StringBuilder value = new StringBuilder(); |
| value.append("\n type: ").append(typeToString()); |
| value.append("\n target: ").append(pad(target, level + 1)); |
| return value.toString(); |
| } |
| |
| public String typeToString() { |
| final StringBuilder sb = new StringBuilder(); |
| if (isType(BEGIN_BUF)) { |
| sb.append("BEGIN_BUF "); |
| } |
| if (isType(BEGIN_LINE)) { |
| sb.append("BEGIN_LINE "); |
| } |
| if (isType(BEGIN_POSITION)) { |
| sb.append("BEGIN_POSITION "); |
| } |
| if (isType(END_BUF)) { |
| sb.append("END_BUF "); |
| } |
| if (isType(SEMI_END_BUF)) { |
| sb.append("SEMI_END_BUF "); |
| } |
| if (isType(END_LINE)) { |
| sb.append("END_LINE "); |
| } |
| if (isType(WORD_BOUND)) { |
| sb.append("WORD_BOUND "); |
| } |
| if (isType(NOT_WORD_BOUND)) { |
| sb.append("NOT_WORD_BOUND "); |
| } |
| if (isType(WORD_BEGIN)) { |
| sb.append("WORD_BEGIN "); |
| } |
| if (isType(WORD_END)) { |
| sb.append("WORD_END "); |
| } |
| if (isType(PREC_READ)) { |
| sb.append("PREC_READ "); |
| } |
| if (isType(PREC_READ_NOT)) { |
| sb.append("PREC_READ_NOT "); |
| } |
| if (isType(LOOK_BEHIND)) { |
| sb.append("LOOK_BEHIND "); |
| } |
| if (isType(LOOK_BEHIND_NOT)) { |
| sb.append("LOOK_BEHIND_NOT "); |
| } |
| if (isType(ANYCHAR_STAR)) { |
| sb.append("ANYCHAR_STAR "); |
| } |
| if (isType(ANYCHAR_STAR_ML)) { |
| sb.append("ANYCHAR_STAR_ML "); |
| } |
| return sb.toString(); |
| } |
| |
| private boolean isType(final int t) { |
| return (this.type & t) != 0; |
| } |
| |
| } |