466 lines
15 KiB
Java
466 lines
15 KiB
Java
/**
|
|
*******************************************************************************
|
|
* Copyright (C) 1996-2001, International Business Machines Corporation and *
|
|
* others. All Rights Reserved. *
|
|
*******************************************************************************
|
|
*
|
|
* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/utility/Utility.java,v $
|
|
* $Date: 2001/09/06 01:29:03 $
|
|
* $Revision: 1.3 $
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
package com.ibm.text.utility;
|
|
|
|
import java.util.*;
|
|
import java.text.*;
|
|
import java.io.*;
|
|
|
|
public final class Utility { // COMMON UTILITIES
|
|
|
|
static final boolean UTF8 = true; // TODO -- make argument
|
|
|
|
public static String getName(int i, String[] names) {
|
|
try {
|
|
return names[i];
|
|
} catch (Exception e) {
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
private static boolean needCRLF = false;
|
|
|
|
public static void dot(int i) {
|
|
if ((i % 0x7FF) == 0) {
|
|
needCRLF = true;
|
|
System.out.print('.');
|
|
}
|
|
}
|
|
|
|
public static void fixDot() {
|
|
if (needCRLF) {
|
|
System.out.println();
|
|
needCRLF = false;
|
|
}
|
|
}
|
|
|
|
public static int setBits(int source, int start, int end) {
|
|
if (start < end) {
|
|
int temp = start;
|
|
start = end;
|
|
end = temp;
|
|
}
|
|
int bmstart = (1 << (start+1)) - 1;
|
|
int bmend = (1 << end) - 1;
|
|
bmstart &= ~bmend;
|
|
return source |= bmstart;
|
|
}
|
|
|
|
public static int setBit(int source, int start) {
|
|
return setBits(source, start, start);
|
|
}
|
|
|
|
public static int clearBits(int source, int start, int end) {
|
|
if (start < end) {
|
|
int temp = start;
|
|
start = end;
|
|
end = temp;
|
|
}
|
|
int bmstart = (1 << (start+1)) - 1;
|
|
int bmend = (1 << end) - 1;
|
|
bmstart &= ~bmend;
|
|
return source &= ~bmstart;
|
|
}
|
|
|
|
public static int clearBit(int source, int start) {
|
|
return clearBits(source, start, start);
|
|
}
|
|
|
|
public static int find(String source, String[] target) {
|
|
for (int i = 0; i < target.length; ++i) {
|
|
if (source.equalsIgnoreCase(target[i])) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public static byte lookup(String source, String[] target) {
|
|
int result = Utility.find(source, target);
|
|
if (result != -1) return (byte)result;
|
|
throw new ChainException("Could not find \"{0}\" in table [{1}]", new Object [] {source, target});
|
|
}
|
|
|
|
/**
|
|
* Supplies a zero-padded hex representation of an integer (without 0x)
|
|
*/
|
|
static public String hex(long i, int places) {
|
|
if (i == Long.MIN_VALUE) return "-8000000000000000";
|
|
boolean negative = i < 0;
|
|
if (negative) {
|
|
i = -i;
|
|
}
|
|
String result = Long.toString(i, 16).toUpperCase();
|
|
if (result.length() < places) {
|
|
result = "0000000000000000".substring(result.length(),places) + result;
|
|
}
|
|
if (negative) {
|
|
return '-' + result;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public static String hex(long ch) {
|
|
return hex(ch,4);
|
|
}
|
|
|
|
public static String hex(Object s) {
|
|
return hex(s, 4, " ");
|
|
}
|
|
|
|
public static String hex(Object s, int places) {
|
|
return hex(s, places, " ");
|
|
}
|
|
|
|
public static String hex(Object s, String separator) {
|
|
return hex(s, 4, separator);
|
|
}
|
|
|
|
public static String hex(Object o, int places, String separator) {
|
|
if (o == null) return "";
|
|
if (o instanceof Number) return hex(((Number)o).longValue(), places);
|
|
|
|
String s = o.toString();
|
|
StringBuffer result = new StringBuffer();
|
|
int ch;
|
|
for (int i = 0; i < s.length(); i += UTF32.count16(ch)) {
|
|
if (i != 0) result.append(separator);
|
|
ch = UTF32.char32At(s, i);
|
|
result.append(hex(ch));
|
|
}
|
|
return result.toString();
|
|
}
|
|
|
|
public static String hex(byte[] o, int start, int end) {
|
|
StringBuffer result = new StringBuffer();
|
|
//int ch;
|
|
for (int i = start; i < end; ++i) {
|
|
if (i != 0) result.append(' ');
|
|
result.append(hex(o[i] & 0xFF, 2));
|
|
}
|
|
return result.toString();
|
|
}
|
|
|
|
public static String hex(char[] o, int start, int end) {
|
|
StringBuffer result = new StringBuffer();
|
|
for (int i = start; i < end; ++i) {
|
|
if (i != 0) result.append(' ');
|
|
result.append(hex(o[i], 4));
|
|
}
|
|
return result.toString();
|
|
}
|
|
|
|
public static String repeat(String s, int count) {
|
|
if (count <= 0) return "";
|
|
if (count == 1) return s;
|
|
StringBuffer result = new StringBuffer(count*s.length());
|
|
for (int i = 0; i < count; ++i) {
|
|
result.append(s);
|
|
}
|
|
return result.toString();
|
|
}
|
|
|
|
public static int intFrom(String p) {
|
|
if (p.length() == 0) return Short.MIN_VALUE;
|
|
return Integer.parseInt(p);
|
|
}
|
|
|
|
public static float floatFrom(String p) {
|
|
if (p.length() == 0) return Float.NaN;
|
|
int fract = p.indexOf('/');
|
|
if (fract == -1) return Float.valueOf(p).floatValue();
|
|
String q = p.substring(0,fract);
|
|
float num = 0;
|
|
if (q.length() != 0) num = Integer.parseInt(q);
|
|
p = p.substring(fract+1,p.length());
|
|
float den = 0;
|
|
if (p.length() != 0) den = Integer.parseInt(p);
|
|
return num/den;
|
|
}
|
|
|
|
public static int codePointFromHex(String p) {
|
|
String temp = Utility.fromHex(p);
|
|
if (UTF32.length32(temp) != 1) throw new ChainException("String is not single (UTF32) character: " + p, null);
|
|
return UTF32.char32At(temp, 0);
|
|
}
|
|
|
|
public static String fromHex(String p) {
|
|
StringBuffer output = new StringBuffer();
|
|
int value = 0;
|
|
int count = 0;
|
|
main:
|
|
for (int i = 0; i < p.length(); ++i) {
|
|
char ch = p.charAt(i);
|
|
int digit = 0;
|
|
switch (ch) {
|
|
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
|
|
digit = ch - 'a' + 10;
|
|
break;
|
|
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
|
|
digit = ch - 'A' + 10;
|
|
break;
|
|
case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7':
|
|
case '8': case '9':
|
|
digit = ch - '0';
|
|
break;
|
|
default:
|
|
int type = Character.getType(ch);
|
|
if (type != Character.SPACE_SEPARATOR) {
|
|
throw new ChainException("bad hex value: '{0}' at position {1} in \"{2}\"",
|
|
new Object[] {String.valueOf(ch), new Integer(i), p});
|
|
}
|
|
// fall through!!
|
|
case ' ': case ',': case ';': // do SPACE here, just for speed
|
|
if (count != 0) {
|
|
UTF32.append32(output, value);
|
|
}
|
|
count = 0;
|
|
value = 0;
|
|
continue main;
|
|
}
|
|
value <<= 4;
|
|
value += digit;
|
|
if (value > 0x10FFFF) {
|
|
throw new ChainException("Character code too large: '{0}' at position {1} in \"{2}\"",
|
|
new Object[] {String.valueOf(ch), new Integer(i), p});
|
|
}
|
|
count++;
|
|
}
|
|
if (count != 0) {
|
|
UTF32.append32(output, value);
|
|
}
|
|
return output.toString();
|
|
}
|
|
|
|
public static int split(String s, char divider, String[] output) {
|
|
int last = 0;
|
|
int current = 0;
|
|
int i;
|
|
for (i = 0; i < s.length(); ++i) {
|
|
if (s.charAt(i) == divider) {
|
|
output[current++] = s.substring(last,i);
|
|
last = i+1;
|
|
}
|
|
}
|
|
output[current++] = s.substring(last,i);
|
|
int result = current;
|
|
while (current < output.length) {
|
|
output[current++] = "";
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public static String[] split(String s, char divider) {
|
|
String[] result = new String[100];
|
|
int count = split(s, divider, result);
|
|
return extract(result, 0, count);
|
|
}
|
|
|
|
public static String[] extract(String[] source, int start, int end) {
|
|
String[] result = new String[end-start];
|
|
System.arraycopy(source, start, result, 0, end - start);
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
public static String quoteJava(String s) {
|
|
StringBuffer result = new StringBuffer();
|
|
for (int i = 0; i < s.length(); ++i) {
|
|
result.append(quoteJava(s.charAt(i)));
|
|
}
|
|
return result.toString();
|
|
}
|
|
*/
|
|
public static String quoteJavaString(String s) {
|
|
if (s == null) return "null";
|
|
StringBuffer result = new StringBuffer();
|
|
result.append('"');
|
|
for (int i = 0; i < s.length(); ++i) {
|
|
result.append(quoteJava(s.charAt(i)));
|
|
}
|
|
result.append('"');
|
|
return result.toString();
|
|
}
|
|
|
|
public static String quoteJava(int c) {
|
|
switch (c) {
|
|
case '\\':
|
|
return "\\\\";
|
|
case '"':
|
|
return "\\\"";
|
|
case '\r':
|
|
return "\\r";
|
|
case '\n':
|
|
return "\\n";
|
|
default:
|
|
if (c >= 0x20 && c <= 0x7E) {
|
|
return String.valueOf((char)c);
|
|
} else if (UTF32.isSupplementary(c)) {
|
|
return "\\u" + hex((char)UTF32.getLead(c),4) + "\\u" + hex((char)UTF32.getTrail(c),4);
|
|
} else {
|
|
return "\\u" + hex((char)c,4);
|
|
}
|
|
}
|
|
}
|
|
|
|
public static String quoteXML(int c) {
|
|
switch (c) {
|
|
case '<': return "<";
|
|
case '>': return ">";
|
|
case '&': return "&";
|
|
case '\'': return "'";
|
|
case '"': return """;
|
|
|
|
// fix controls, since XML can't handle
|
|
|
|
// also do this for 09, 0A, and 0D, so we can see them.
|
|
case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
|
|
case 0x08: case 0x09: case 0x0A: case 0x0B: case 0x0C: case 0x0D: case 0x0E: case 0x0F:
|
|
case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17:
|
|
case 0x18: case 0x19: case 0x1A: case 0x1B: case 0x1C: case 0x1D: case 0x1E: case 0x1F:
|
|
case 0x7F:
|
|
|
|
// fix noncharacters, since XML can't handle
|
|
case 0xFFFE: case 0xFFFF:
|
|
|
|
return "#x" + hex(c,1) + ";";
|
|
}
|
|
|
|
// fix surrogates, since XML can't handle
|
|
if (UTF32.isSurrogate(c)) {
|
|
return "#x" + hex(c,1) + ";";
|
|
}
|
|
|
|
if (c <= 0x7E || UTF8) {
|
|
return UTF32.valueOf32(c);
|
|
}
|
|
|
|
// fix supplementaries & high characters, because of IE bug
|
|
/*if (UTF32.isSupplementary(c) || 0xFFF9 <= c && c <= 0xFFFD) {
|
|
return "#x" + hex(c,1) + ";";
|
|
}
|
|
*/
|
|
|
|
return "&#x" + hex(c,1) + ";";
|
|
}
|
|
|
|
public static String quoteXML(String source) {
|
|
if (source == null) return "null";
|
|
StringBuffer result = new StringBuffer();
|
|
for (int i = 0; i < source.length(); ++i) {
|
|
int c = UTF32.char32At(source, i);
|
|
if (UTF32.isSupplementary(c)) ++i;
|
|
result.append(quoteXML(c));
|
|
}
|
|
return result.toString();
|
|
}
|
|
|
|
public static int compare(char[] a, int aStart, int aEnd, char[] b, int bStart, int bEnd) {
|
|
while (aStart < aEnd && bStart < bEnd) {
|
|
int diff = a[aStart++] - b[bStart++];
|
|
if (diff != 0) return diff;
|
|
}
|
|
return (aEnd - aStart) - (bEnd - bStart);
|
|
}
|
|
|
|
public static int compare(byte[] a, int aStart, int aEnd, byte[] b, int bStart, int bEnd) {
|
|
while (aStart < aEnd && bStart < bEnd) {
|
|
int diff = a[aStart++] - b[bStart++];
|
|
if (diff != 0) return diff;
|
|
}
|
|
return (aEnd - aStart) - (bEnd - bStart);
|
|
}
|
|
|
|
public static int compareUnsigned(byte[] a, int aStart, int aEnd, byte[] b, int bStart, int bEnd) {
|
|
while (aStart < aEnd && bStart < bEnd) {
|
|
int diff = (a[aStart++] & 0xFF) - (b[bStart++] & 0xFF);
|
|
if (diff != 0) return diff;
|
|
}
|
|
return (aEnd - aStart) - (bEnd - bStart);
|
|
}
|
|
|
|
public static String join(int[] array, String sep) {
|
|
String result = "{";
|
|
for (int i = 0; i < array.length; ++i) {
|
|
if (i != 0) result += sep;
|
|
result += array[i];
|
|
}
|
|
return result + "}";
|
|
}
|
|
|
|
public static String join(long[] array, String sep) {
|
|
String result = "{";
|
|
for (int i = 0; i < array.length; ++i) {
|
|
if (i != 0) result += sep;
|
|
result += array[i];
|
|
}
|
|
return result + "}";
|
|
}
|
|
|
|
private static final String[] searchPath = {
|
|
"EXTRAS",
|
|
"3.1.2",
|
|
"3.1.1",
|
|
"3.1.0",
|
|
"3.0.1",
|
|
"3.0.0",
|
|
"2.1.9",
|
|
"2.0.0",
|
|
"1.1.0",
|
|
};
|
|
|
|
private static final String DATA_DIR = "C:\\DATA";
|
|
|
|
public static PrintWriter openPrintWriter(String filename) throws IOException {
|
|
return new PrintWriter(
|
|
new UTF8StreamWriter(new FileOutputStream(DATA_DIR + File.separator + "GEN" + File.separator + filename),
|
|
32*1024));
|
|
}
|
|
|
|
public static BufferedReader openUnicodeFile(String filename, String version) throws IOException {
|
|
// get all the files in the directory
|
|
|
|
for (int i = 0; i < searchPath.length; ++i) {
|
|
if (version.length() != 0 && version.compareTo(searchPath[i]) < 0) continue;
|
|
|
|
String directoryName = DATA_DIR + File.separator + searchPath[i] + "-Update" + File.separator;
|
|
System.out.println("Trying: '" + directoryName + "'");
|
|
File directory = new File(directoryName);
|
|
String[] list = directory.list();
|
|
for (int j = 0; j < list.length; ++j) {
|
|
String fn = list[j];
|
|
if (!fn.endsWith(".txt")) continue;
|
|
//System.out.print("\t'" + fn + "'");
|
|
if (!fn.startsWith(filename)) {
|
|
//System.out.println(" -- MISS: '" + filename + "'");
|
|
continue;
|
|
}
|
|
//System.out.println(" -- HIT");
|
|
System.out.println("\tFound: '" + fn + "'");
|
|
return new BufferedReader(new FileReader(directoryName + fn),32*1024);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public static void writeHtmlHeader(PrintWriter log, String title) {
|
|
log.println("<html><head>");
|
|
log.println("<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>");
|
|
log.println("<title>" + title + "</title>");
|
|
log.println("<style><!--");
|
|
log.println("table { border-collapse: collapse; border: 1 solid blue }");
|
|
log.println("td { border: 1 solid blue; padding: 2 }");
|
|
log.println("th { border: 1 solid blue; padding: 2 }");
|
|
log.println("--></style>");
|
|
log.println("</head><body>");
|
|
}
|
|
} |