110 lines
3.2 KiB
Java
110 lines
3.2 KiB
Java
/**
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*******************************************************************************
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* Copyright (C) 1996-2001, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/UCD/OldUnicodeMap.java,v $
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* $Date: 2005/03/04 02:50:26 $
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* $Revision: 1.1 $
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*
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*******************************************************************************
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*/
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package com.ibm.text.UCD;
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import java.util.*;
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import java.io.*;
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import com.ibm.text.utility.*;
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import com.ibm.icu.text.UTF16;
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import com.ibm.icu.text.UnicodeSet;
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/**
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* Class that maps from codepoints to an index, and optionally a label.
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*/
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public class OldUnicodeMap {
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UnicodeSet[] sets = new UnicodeSet[50];
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String[] labels = new String[50];
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int count = 0;
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public int add(String label, UnicodeSet set) {
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return add(label, set, false, true);
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}
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/**
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* Add set
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*@param removeOld true: remove any collisions from sets already in the map
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* if false, remove any collisions from this set
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*@param signal: print a warning when collisions occur
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*/
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public int add(String label, UnicodeSet set, boolean removeOld, boolean signal) {
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// remove from any preceding!!
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for (int i = 0; i < count; ++i) {
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if (!set.containsSome(sets[i])) continue;
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if (signal) showOverlap(label, set, i);
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if (removeOld) {
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sets[i] = sets[i].removeAll(set);
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} else {
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set = set.removeAll(sets[i]);
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}
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}
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sets[count] = set;
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labels[count++] = label;
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return (short)(count - 1);
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}
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public void showOverlap(String label, UnicodeSet set, int i) {
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UnicodeSet delta = new UnicodeSet(set).retainAll(sets[i]);
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System.out.println("Warning! Overlap with " + label + " and " + labels[i]
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+ ": " + delta);
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}
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public int getIndex(int codepoint) {
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for (int i = count - 1; i >= 0; --i) {
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if (sets[i].contains(codepoint)) return i;
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}
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return -1;
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}
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public int getIndexFromLabel(String label) {
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for (int i = count - 1; i >= 0; --i) {
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if (labels[i].equalsIgnoreCase(label)) return i;
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}
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return -1;
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}
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public String getLabel(int codepoint) {
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return getLabelFromIndex(getIndex(codepoint));
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}
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public String getLabelFromIndex(int index) {
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if (index < 0 || index >= count) return null;
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return labels[index];
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}
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public UnicodeSet getSetFromIndex(int index) {
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if (index < 0 || index >= count) return null;
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return new UnicodeSet(sets[index]); // protect from changes
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}
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public int size() {
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return count;
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}
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public int setLabel(int index, String label) {
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labels[index] = label;
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return index;
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}
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public int put(int codepoint, int index) {
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if (sets[index] == null) {
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sets[index] = new UnicodeSet();
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if (index >= count) count = index + 1;
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}
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sets[index].add(codepoint);
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return index;
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}
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}
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