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Java example source code file (OptAnchorInfo.java)
The OptAnchorInfo.java Java example source code/* * 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; import jdk.nashorn.internal.runtime.regexp.joni.constants.AnchorType; final class OptAnchorInfo implements AnchorType { int leftAnchor; int rightAnchor; void clear() { leftAnchor = rightAnchor = 0; } void copy(OptAnchorInfo other) { leftAnchor = other.leftAnchor; rightAnchor = other.rightAnchor; } void concat(OptAnchorInfo left, OptAnchorInfo right, int leftLength, int rightLength) { leftAnchor = left.leftAnchor; if (leftLength == 0) leftAnchor |= right.leftAnchor; rightAnchor = right.rightAnchor; if (rightLength == 0) rightAnchor |= left.rightAnchor; } boolean isSet(int anchor) { if ((leftAnchor & anchor) != 0) return true; return (rightAnchor & anchor) != 0; } void add(int anchor) { if (isLeftAnchor(anchor)) { leftAnchor |= anchor; } else { rightAnchor |= anchor; } } void remove(int anchor) { if (isLeftAnchor(anchor)) { leftAnchor &= ~anchor; } else { rightAnchor &= ~anchor; } } void altMerge(OptAnchorInfo other) { leftAnchor &= other.leftAnchor; rightAnchor &= other.rightAnchor; } static boolean isLeftAnchor(int anchor) { // make a mask for it ? return !(anchor == END_BUF || anchor == SEMI_END_BUF || anchor == END_LINE || anchor == PREC_READ || anchor == PREC_READ_NOT); } static String anchorToString(int anchor) { StringBuffer s = new StringBuffer("["); if ((anchor & AnchorType.BEGIN_BUF) !=0 ) s.append("begin-buf "); if ((anchor & AnchorType.BEGIN_LINE) !=0 ) s.append("begin-line "); if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) s.append("begin-pos "); if ((anchor & AnchorType.END_BUF) !=0 ) s.append("end-buf "); if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) s.append("semi-end-buf "); if ((anchor & AnchorType.END_LINE) !=0 ) s.append("end-line "); if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) s.append("anychar-star "); if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) s.append("anychar-star-pl "); s.append("]"); return s.toString(); } } Other Java examples (source code examples)Here is a short list of links related to this Java OptAnchorInfo.java source code file: |
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