001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.text.nlp.patterns;
031
032import java.util.Arrays;
033import java.util.Comparator;
034
035import org.openimaj.text.util.RegexUtil;
036
037
038/**
039 * A regex for a set of emoticons
040 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
041 *
042 */
043public class EmoticonPatternProvider extends PatternProvider {
044        String[] EmoticonsDNArr = new String[] {
045                        ":\\)",":\\(",":-\\)",">:\\]",":o\\)",":3",":c\\)",":>","=\\]","8\\)","=\\)",
046                        ":\\}",":\\^\\)",">:D\\)",":-D",":D","8-D","8D","x-D","xD","X-D","XD","=-D","=D",
047                        "=-3","=3\\)","8-\\)",":-\\)\\)",":\\)\\)",">-\\[",":-\\(",":\\(",":-c",":c",":-<",":<",
048                        ":-\\[",":\\[","\\[:",":\\{",">[._]>","<[._]<",">v<","\\^[._]\\^","\\>[._]\\<",":-\\|\\|","D:<","D+:","D8","D;","D=","DX",
049                        "v[.]v","D-\\':",">;\\]",";-\\)",";\\)","\\*-\\)","\\*\\)",";-\\]",";\\]",";D",";^\\)",">:[pP]",
050                        ":-[pP]",":[pP]","X-[pP]","x-[pP]","x[pP]","X[pP]",":-[pP]",":[pP]",";[pP]","=[pP]",":-b",":b",">:o",">:O",":-O",
051                        ":O",":0","o_O","o_0","o[.]O","8-0",">:\\",">:/",":-/",":-[.]",":/",":\\\\",
052                        "=\\/","=\\",":S",":\\|",":-\\|",">:X",":-X",":X",":-#",":#",":$","O:-\\)","0:-3",
053                        "0:3","O:-\\)","O:\\)","0;^\\)",">:\\)",">;\\)",">:-\\)",":\\'-\\(",":\\'\\(",":\\'-\\)",":\\'\\)",
054                        ";\\)\\)",";;\\)","<3","8-\\}",">:D<","=\\)\\)","=\\(\\(","x\\(","X\\(",":-\\*",":\\*",":\\\">","~X\\(",":-?;",
055                        "\\-[._]\\-[']?","u[._]u[']?","\\*-\\*","[.]_[.]","[*]--[*]",
056                         "\\([ ]*c[ ]*\\)","\\([ ]*tm[ ]*\\)", //THIS IS ABSOLUTELY DISGUSTING, IT SHOULD NOT BE HERE
057                };
058
059        String EmoticonsDN = RegexUtil.regex_or_match(longestfirst(EmoticonsDNArr));
060//      String EmoticonsDN = regex_or(EmoticonsDNArr);
061
062        @Override
063        public String patternString(){
064                return EmoticonsDN;
065        }
066
067        private String[] longestfirst(String[] emoticons) {
068                Arrays.sort(emoticons,new Comparator<String>(){
069
070                        @Override
071                        public int compare(String s1, String s2) {
072                                int s1Longer = s1.length() - s2.length();
073                                if(s1Longer > 0) return -1;
074                                else if(s1Longer < 0) return 1;
075                                else{
076                                        return s1.compareTo(s2);
077                                }
078                        }
079
080                });
081                return emoticons;
082        }
083
084        @Override
085        public PatternProvider combine(PatternProvider other) {
086                return new CombinedPatternProvider(this,other);
087        }
088}