567 lines
19 KiB
Java
567 lines
19 KiB
Java
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package com.ibm.text.UCD;
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import com.ibm.icu.text.UnicodeSet;
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import com.ibm.icu.lang.UCharacter;
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import com.ibm.text.utility.*;
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import java.util.*;
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import java.io.*;
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// Enumerated properties will be IntCodePointProperty.
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// The string values they return will be the property value names.
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// Binary properties are Enumerated properties. They return 0 or 1
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public final class TernaryStore {
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static final int DONE = Integer.MIN_VALUE;
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static final int NOT_FOUND = Integer.MIN_VALUE+1;
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// for testing
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static DepthPrinter dp;
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static void test() throws java.io.IOException {
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Default.setUCD();
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PrintWriter pw = Utility.openPrintWriter("TestTernary.txt", Utility.LATIN1_WINDOWS);
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try {
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dp = new DepthPrinter(pw);
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String[] tests = {"the", "quick", "fish", "fisherman", "fishes",
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"brown", "brow", "bracket", "bright", "brat",
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"brough", "dogs", "upper", "zebra",
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"fisher"};
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test("Simple: ", tests, tests.length);
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tests = new String[300000];
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int counter = 0;
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int i;
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for (i = 0; counter < tests.length && i <= 0x10FFFF; ++i) {
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if (Default.ucd.hasComputableName(i)) continue;
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String temp = UCharacter.getName(i);
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if (temp != null) tests[counter++] = temp.trim();
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}
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System.out.println("max-cp: " + Utility.hex(i));
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test("Unicode Names: ", tests, counter);
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//if (true) return;
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BufferedReader br = Utility.openReadFile(UCD_Types.BASE_DIR + "dict\\DiploFreq.txt", Utility.LATIN1);
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String line;
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counter = 0;
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while (counter < tests.length) {
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line = Utility.readDataLine(br);
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if (line == null) break;
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if (line.length() == 0) continue;
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Utility.dot(counter);
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int tabPos = line.indexOf('\t');
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if (tabPos < 0) {
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System.out.println("???" + line);
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continue;
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}
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tests[counter++] = line.substring(tabPos+1);
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}
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test("French: ", tests, counter);
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} finally {
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pw.close();
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}
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}
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static void test(String title, String[] tests, int len) {
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System.out.println();
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System.out.println(title);
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dp.println();
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dp.print(title, 0);
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dp.println();
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TernaryStore.Builder builder = new TernaryStore.Builder();
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int charCount = 0;
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for (int i = 0; i < len; ++i) {
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builder.add(tests[i], i);
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charCount += tests[i].length();
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}
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System.out.println("charCount: " + charCount);
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TernaryStore store = builder.build();
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store.showNodes();
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store.checkNodes();
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dp.println("Storage");
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dp.println(store.stringStore.toString());
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System.out.println("StorageSize: " + store.stringStore.toString().length());
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Matcher matcher = store.getMatcher();
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for (int i = 0; i < len; ++i) {
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int check = test(tests[i], matcher);
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if (check != i) {
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System.out.println("\tFail, result: " + tests[i] + ", " + check);
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}
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}
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}
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static int test(String s, Matcher matcher) {
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matcher.reset(s, 0);
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int lastResult = -1;
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for (int result = matcher.next(); result != DONE; result = matcher.next()) {
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lastResult = result;
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}
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return lastResult;
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}
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static final class Node {
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String getString(StringStore stringStore) {
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if (stringCode < 0) return tempString;
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return stringStore.get(stringCode);
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}
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void setString(String s) {
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tempString = s;
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}
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String tempString;
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int stringCode = -1;
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Node less;
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Node greater;
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Node next;
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int result = NOT_FOUND;
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public String toString(StringStore store) {
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return getString(store)
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+ (result != NOT_FOUND ? "(" + result + ")" : "")
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+ (next != null ? next.toString() : "");
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}
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}
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Node base;
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StringStore stringStore = new StringStore();
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final static class Matcher {
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TernaryStore store;
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String s;
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int position;
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Node lastNode;
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void reset(String s, int position) {
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this.s = s;
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this.position = position;
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this.lastNode = store.base;
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}
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// returns the next result
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// or DONE when done
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// sets position to point after end of found string
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int next() {
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while (lastNode != null && position < s.length()) {
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char ch = s.charAt(position++);
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do {
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String nodeString = lastNode.getString(store.stringStore);
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char first = nodeString.charAt(0);
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if (ch == first) {
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// now check the rest of the string
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for (int i = 1; i < nodeString.length(); ++i) {
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char other = nodeString.charAt(i);
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if (other != s.charAt(position++)) {
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return DONE;
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}
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}
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// if we succeed, return result if there is one
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int result = lastNode.result;
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lastNode = lastNode.next;
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if (result != NOT_FOUND) return result;
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break; // get next char
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}
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// otherwise branch sideways, keeping same char
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if (ch > first) {
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lastNode = lastNode.greater;
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} else {
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lastNode = lastNode.less;
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}
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} while (lastNode != null);
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}
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return DONE;
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}
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}
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public Matcher getMatcher() {
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Matcher result = new Matcher();
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result.store = this;
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return result;
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}
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public void showNodes() {
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showNodes2(base, "", 5);
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}
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public void showNodes2(Node n, String path, int depth) {
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if (n.less != null) {
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showNodes2(n.less, path+"-", depth);
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}
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dp.print("", depth);
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if (false) dp.print(path);
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dp.print(n.getString(stringStore));
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if (n.result != NOT_FOUND) dp.print("/" + n.result);
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dp.println();
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if (n.next != null) {
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showNodes2(n.next, path+".", depth+n.getString(stringStore).length());
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}
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if (n.greater != null) {
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showNodes2(n.greater, path+"+", depth);
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}
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}
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static class NodeInfo {
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int nodeCount;
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int resultCount;
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int nullLessCount;
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int nullGreaterCount;
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int nullSimpleCount;
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int nullNextCount;
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}
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public void checkNodes() {
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NodeInfo nodeInfo = new NodeInfo();
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checkNodes(base, nodeInfo);
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System.out.println("Nodes: " + nodeInfo.nodeCount);
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System.out.println("nullLessCount: " + nodeInfo.nullLessCount);
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System.out.println("nullGreaterCount: " + nodeInfo.nullGreaterCount);
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System.out.println("nullNextCount: " + nodeInfo.nullNextCount);
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System.out.println("resultCount: " + nodeInfo.resultCount);
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System.out.println("nullSimpleCount: " + nodeInfo.nullSimpleCount);
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}
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public void checkNodes(Node n, NodeInfo nodeInfo) {
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nodeInfo.nodeCount++;
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if (n.result != NOT_FOUND) nodeInfo.resultCount++;
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if (n.less != null) {
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checkNodes(n.less, nodeInfo);
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} else {
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nodeInfo.nullLessCount++;
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if (n.greater == null && n.result == NOT_FOUND) nodeInfo.nullSimpleCount++;
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}
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if (n.next != null) {
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checkNodes(n.next, nodeInfo);
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} else {
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nodeInfo.nullNextCount++;
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}
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if (n.greater != null) {
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checkNodes(n.greater, nodeInfo);
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} else {
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nodeInfo.nullGreaterCount++;
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}
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}
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final static class DepthPrinter {
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private PrintWriter pw;
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private int currentDepth = 0;
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private String leader = ".";
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DepthPrinter(PrintWriter pw) {
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this.pw = pw;
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}
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void print(char ch) {
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print(ch, 0);
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}
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void print(String s) {
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print(s, 0);
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}
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void print(char ch, int depth) {
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print(String.valueOf(ch), depth);
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}
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void print(String s, int depth) {
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int delta = depth - currentDepth;
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if (delta > 0) {
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pw.print(Utility.repeat(leader, delta - 1));
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currentDepth = depth;
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}
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pw.print(s);
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currentDepth += s.length();
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}
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void println() {
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pw.println();
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currentDepth = 0;
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}
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void println(String s) {
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pw.print(s);
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pw.println();
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currentDepth = 0;
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}
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}
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final static class StringStore {
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// initially, there is a simple strategy
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private String buffer = "";
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private static final char TERMINATOR = '\u007E';
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private static final int PIECE_LENGTH = 5;
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private static String[] pieces = new String[50]; // HACK
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private static Set strings = new HashSet();
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public void add(String s) {
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strings.add(s);
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}
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public void compact() {
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System.out.println("Adding Pieces");
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// add all the pieces
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Iterator it = strings.iterator();
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Set additions = new HashSet();
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while (it.hasNext()) {
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String s = (String)it.next();
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int len = Utility.split(s, ' ', pieces);
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for (int i = 0; i < len; ++i) {
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additions.add(pieces[i]);
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}
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}
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store(additions);
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store(strings);
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}
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private void store(Set stuff) {
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System.out.println("Sorting");
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// sort them by length, longest first
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Set ordered = new TreeSet();
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Iterator it = stuff.iterator();
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while (it.hasNext()) {
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String s = (String)it.next();
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ordered.add(new Pair(new Integer(-s.length()), s));
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}
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System.out.println("Storing");
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// add them
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it = ordered.iterator();
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while (it.hasNext()) {
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String s = (String)(((Pair)it.next()).second);
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get(s);
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}
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}
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private int get(String s) {
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System.out.println("Adding: \'" + s + "\'");
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int index;
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if (s.indexOf(' ') < 0) {
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index = addNoSplit(s);
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System.out.println("\tReturning: " + index);
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return index;
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}
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int len = Utility.split(s, ' ', pieces);
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StringBuffer itemCodes = new StringBuffer();
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for (int i = 0; i < len; ++i) {
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String piece = pieces[i];
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itemCodes.append((char)addNoSplit(piece));
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/*for (int j = 0; j < piece.length(); j += PIECE_LENGTH) {
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int maxLen = j + PIECE_LENGTH;
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if (maxLen > piece.length()) maxLen = piece.length();
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itemCodes.append((char)addNoSplit(piece.substring(j, maxLen)));
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}*/
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}
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index = 0x8000 | addNoSplit(itemCodes.toString()); // mark it as composite
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System.out.println("\tReturning: " + index);
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return index;
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}
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private int addNoSplit(String s) {
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System.out.println("\tAdding2: \'" + s + "\'");
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String sTerm = s + TERMINATOR;
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int index = buffer.indexOf(sTerm);
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if (index >= 0) return index;
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index = buffer.length();
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buffer += sTerm;
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System.out.println("\t\tReturning2: " + index);
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return index;
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}
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public String get(int index) {
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String result;
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System.out.println("Fetching: " + index);
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if ((index & 0x8000) == 0) {
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int end = buffer.indexOf(TERMINATOR, index);
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result = buffer.substring(index, end);
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System.out.println("\tReturning: '" + result + "'");
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return result;
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}
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index &= ~0x8000; // remove 1 bit
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int end = buffer.indexOf(TERMINATOR, index);
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result = "";
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for (int i = index; i < end; ++i) {
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if (result.length() != 0) result += " ";
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result += get(buffer.charAt(i));
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}
|
||
|
|
System.out.println("\tReturning: '" + result + "'");
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
public String toString() {
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
final static class Builder {
|
||
|
|
Map map = new TreeMap();
|
||
|
|
String[] names;
|
||
|
|
TernaryStore store;
|
||
|
|
Set set = new TreeSet();
|
||
|
|
|
||
|
|
public void add(String name, int result) {
|
||
|
|
map.put(name, new Integer(result));
|
||
|
|
}
|
||
|
|
|
||
|
|
public TernaryStore build() {
|
||
|
|
// flatten strings into array
|
||
|
|
names = new String[map.size()];
|
||
|
|
Iterator it = map.keySet().iterator();
|
||
|
|
int count = 0;
|
||
|
|
while (it.hasNext()) {
|
||
|
|
names[count++] = (String) it.next();
|
||
|
|
if (false) {
|
||
|
|
dp.print((count-1) + " " + names[count-1]);
|
||
|
|
dp.println();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// build nodes
|
||
|
|
store = new TernaryStore();
|
||
|
|
addNode(0, names.length);
|
||
|
|
|
||
|
|
// free storage
|
||
|
|
names = null;
|
||
|
|
map.clear();
|
||
|
|
|
||
|
|
System.out.println("compacting");
|
||
|
|
compactStore(store.base);
|
||
|
|
store.stringStore.compact();
|
||
|
|
|
||
|
|
//compactStrings(store);
|
||
|
|
//set.clear(); // free more storage
|
||
|
|
|
||
|
|
replaceStrings(store.base);
|
||
|
|
//map.clear(); // free storage
|
||
|
|
|
||
|
|
// free storage
|
||
|
|
TernaryStore result = store;
|
||
|
|
store = null;
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
void compactStrings(TernaryStore t) {
|
||
|
|
// we have a set of Pairs, first is length, second is string
|
||
|
|
// compact them, word by word
|
||
|
|
Iterator it = set.iterator();
|
||
|
|
while (it.hasNext()) {
|
||
|
|
String string = ((String)((Pair)it.next()).second);
|
||
|
|
int index = t.stringStore.add(string);
|
||
|
|
if (true) {
|
||
|
|
System.out.println("Checking: " + index);
|
||
|
|
String reverse = t.stringStore.get(index);
|
||
|
|
if (!reverse.equals(string)) {
|
||
|
|
System.out.println("source: \'" + string + "\'");
|
||
|
|
System.out.println("reverse: \'" + reverse + "\'");
|
||
|
|
throw new IllegalArgumentException("Failed roundtrip");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
map.put(string, new Integer(index));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
public void replaceStrings(Node n) {
|
||
|
|
n.stringCode = store.stringStore.get(n.getString(store.stringStore));
|
||
|
|
n.setString(null);
|
||
|
|
if (n.less != null) replaceStrings(n.less);
|
||
|
|
if (n.next != null) replaceStrings(n.next);
|
||
|
|
if (n.greater != null) replaceStrings(n.greater);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void compactStore(Node n) {
|
||
|
|
Node nextNode = n.next;
|
||
|
|
if (false) dp.println(n.toString());
|
||
|
|
while (n.result == NOT_FOUND && nextNode != null && nextNode.greater == null
|
||
|
|
&& nextNode.less == null) {
|
||
|
|
n.setString(n.getString(store.stringStore) + nextNode.getString(store.stringStore));
|
||
|
|
n.result = nextNode.result;
|
||
|
|
n.next = nextNode = nextNode.next; // remove old node
|
||
|
|
}
|
||
|
|
// add strings sorted by length, longest first
|
||
|
|
store.stringStore.add(n.getString(store.stringStore));
|
||
|
|
|
||
|
|
if (n.less != null) compactStore(n.less);
|
||
|
|
if (n.next != null) compactStore(n.next);
|
||
|
|
if (n.greater != null) compactStore(n.greater);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void addNode(int start, int limit) {
|
||
|
|
if (start >= limit) return;
|
||
|
|
int mid = (start + limit) / 2;
|
||
|
|
//System.out.println("start: " + start + ", mid: " + mid + ", limit: " + limit);
|
||
|
|
//System.out.println("adding: " + names[mid]);
|
||
|
|
addNode(names[mid], ((Integer)map.get(names[mid])).intValue());
|
||
|
|
addNode(start, mid);
|
||
|
|
addNode(mid+1, limit);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void addNode(String s, int result) {
|
||
|
|
if (store.base == null) {
|
||
|
|
store.base = addRest(s, 0, result);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
Node n = store.base;
|
||
|
|
Node lastNode = n;
|
||
|
|
|
||
|
|
for (int i = 0; i < s.length(); ++i) {
|
||
|
|
char ch = s.charAt(i);
|
||
|
|
while (true) {
|
||
|
|
char first = n.getString(store.stringStore).charAt(0);
|
||
|
|
if (ch == first) {
|
||
|
|
if (n.next == null) {
|
||
|
|
n.next = addRest(s, i+1, result);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
lastNode = n;
|
||
|
|
n = n.next;
|
||
|
|
break; // get next char
|
||
|
|
}
|
||
|
|
// otherwise branch sideways, keeping same char
|
||
|
|
if (ch > first) {
|
||
|
|
if (n.greater == null) {
|
||
|
|
n.greater = addRest(s, i, result);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
n = n.greater;
|
||
|
|
} else {
|
||
|
|
if (n.less == null) {
|
||
|
|
n.less = addRest(s, i, result);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
n = n.less;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lastNode.result = result;
|
||
|
|
}
|
||
|
|
|
||
|
|
private Node addRest(String s, int position, int result) {
|
||
|
|
Node lastNode = null;
|
||
|
|
for (int i = s.length() - 1; i >= position; --i) {
|
||
|
|
Node n = new Node();
|
||
|
|
n.setString(s.substring(i, i+1)); // + "" to force a new string
|
||
|
|
if (lastNode == null) {
|
||
|
|
n.result = result;
|
||
|
|
}
|
||
|
|
n.next = lastNode;
|
||
|
|
lastNode = n;
|
||
|
|
}
|
||
|
|
return lastNode;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|