1a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// Protocol Buffers - Google's data interchange format 2a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// Copyright 2008 Google Inc. All rights reserved. 3afb4b72037e3f13db208590fc782c4bc8e27f862Jeff Davidson// https://developers.google.com/protocol-buffers/ 4a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// 5a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// Redistribution and use in source and binary forms, with or without 6a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// modification, are permitted provided that the following conditions are 7a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// met: 8a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// 9a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// * Redistributions of source code must retain the above copyright 10a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// notice, this list of conditions and the following disclaimer. 11a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// * Redistributions in binary form must reproduce the above 12a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// copyright notice, this list of conditions and the following disclaimer 13a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// in the documentation and/or other materials provided with the 14a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// distribution. 15a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// * Neither the name of Google Inc. nor the names of its 16a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// contributors may be used to endorse or promote products derived from 17a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// this software without specific prior written permission. 18a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// 19a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 31a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidsonpackage com.google.protobuf; 32a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 33b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammerimport java.util.Arrays; 34a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 35a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson/** 36b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * A location in the source code. 37a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson * 38b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * <p>A location is the starting line number and starting column number. 39a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson */ 40b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammerpublic final class TextFormatParseLocation { 41b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 42b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /** 43b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * The empty location. 44b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer */ 45b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public static final TextFormatParseLocation EMPTY = new TextFormatParseLocation(-1, -1); 46b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 47b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /** 48b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * Create a location. 49b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * 50b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * @param line the starting line number 51b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * @param column the starting column number 52b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer * @return a {@code ParseLocation} 53b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer */ 54b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer static TextFormatParseLocation create(int line, int column) { 55b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (line == -1 && column == -1) { 56b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return EMPTY; 57b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 58b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (line < 0 || column < 0) { 59b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer throw new IllegalArgumentException( 60b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer String.format("line and column values must be >= 0: line %d, column: %d", line, column)); 61b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 62b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return new TextFormatParseLocation(line, column); 63b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 64b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 65b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer private final int line; 66b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer private final int column; 67b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 68b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer private TextFormatParseLocation(int line, int column) { 69b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer this.line = line; 70b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer this.column = column; 71b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 72b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 73b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public int getLine() { 74b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return line; 75b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 76b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 77b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public int getColumn() { 78b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return column; 79b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 80a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 81a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson @Override 82b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public String toString() { 83b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return String.format("ParseLocation{line=%d, column=%d}", line, column); 84a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson } 85a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 86a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson @Override 87b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public boolean equals(Object o) { 88b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (o == this) { 89b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return true; 90b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 91b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (!(o instanceof TextFormatParseLocation)) { 92b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return false; 93b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 94b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer TextFormatParseLocation that = (TextFormatParseLocation) o; 95b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return (this.line == that.getLine()) 96b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer && (this.column == that.getColumn()); 97b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 98a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson 99b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer @Override 100b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public int hashCode() { 101b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer int[] values = {line, column}; 102b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return Arrays.hashCode(values); 103a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson } 104a3b2a6da25a76f17c73d31def3952feb0fd2296eJeff Davidson} 105