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* particular file as subject to the "Classpath" exception as provided
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package build.tools.charsetmapping;
import java.io.*;
import java.util.regex.*;
import java.util.*;
import static build.tools.charsetmapping.Utils.*;
public class JIS0213 {
// regex pattern to parse the "jis0213.map" file
static Pattern sjis0213 = Pattern.compile("0x(\\p{XDigit}++)\\s++U\\+(\\p{XDigit}++)(?:\\+(\\p{XDigit}++))?\\s++#.*");
static void genClass(String argv[]) throws IOException
{
InputStream in = new FileInputStream(argv[0]) ;
OutputStream out = new FileOutputStream(argv[1]);
int[] sb = new int[0x100]; // singlebyte
int[] db = new int[0x10000]; // doublebyte
int[] indexC2B = new int[256];
Entry[] supp = new Entry[0x10000];
Entry[] comp = new Entry[0x100];
int suppTotal = 0;
int compTotal = 0;
int b1Min1 = 0x81;
int b1Max1 = 0x9f;
int b1Min2 = 0xe0;
int b1Max2 = 0xfc;
int b2Min = 0x40;
int b2Max = 0xfe;
//init
for (int i = 0; i < 0x80; i++) sb[i] = i;
for (int i = 0x80; i < 0x100; i++) sb[i] = UNMAPPABLE_DECODING;
for (int i = 0; i < 0x10000; i++) db[i] = UNMAPPABLE_DECODING;
try {
Parser p = new Parser(in, sjis0213);
Entry e = null;
while ((e = p.next()) != null) {
if (e.cp2 != 0) {
comp[compTotal++] = e;
} else {
if (e.cp <= 0xffff) {
if (e.bs <= 0xff)
sb[e.bs] = e.cp;
else
db[e.bs] = e.cp;
indexC2B[e.cp>>8] = 1;
} else {
supp[suppTotal++] = e;
}
}
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// c2b Index Table, always the first one
writeINDEXC2B(baos, indexC2B);
writeSINGLEBYTE(baos, sb);
writeDOUBLEBYTE1(baos, db, b1Min1, b1Max1, b2Min, b2Max);
writeDOUBLEBYTE2(baos, db, b1Min2, b1Max2, b2Min, b2Max);
writeSUPPLEMENT(baos, supp, suppTotal);
writeCOMPOSITE(baos, comp, compTotal);
writeSIZE(out, baos.size());
baos.writeTo(out);
out.close();
} catch (Exception x) {
x.printStackTrace();
}
}
static Comparator<Entry> comparatorCP =
new Comparator<Entry>() {
public int compare(Entry m1, Entry m2) {
return m1.cp - m2.cp;
}
public boolean equals(Object obj) {
return this == obj;
}
};
// tags of different charset mapping tables
private final static int MAP_SINGLEBYTE = 0x1; // 0..256 : c
private final static int MAP_DOUBLEBYTE1 = 0x2; // min..max: c
private final static int MAP_DOUBLEBYTE2 = 0x3; // min..max: c [DB2]
private final static int MAP_SUPPLEMENT = 0x5; // db,c
private final static int MAP_SUPPLEMENT_C2B = 0x6; // c,db
private final static int MAP_COMPOSITE = 0x7; // db,base,cc
private final static int MAP_INDEXC2B = 0x8; // index table of c->bb
private static final void writeShort(OutputStream out, int data)
throws IOException
{
out.write((data >>> 8) & 0xFF);
out.write((data ) & 0xFF);
}
private static final void writeShortArray(OutputStream out,
int type,
int[] array,
int off,
int size) // exclusive
throws IOException
{
writeShort(out, type);
writeShort(out, size);
for (int i = off; i < size; i++) {
writeShort(out, array[off+i]);
}
}
private static final void writeSIZE(OutputStream out, int data)
throws IOException
{
out.write((data >>> 24) & 0xFF);
out.write((data >>> 16) & 0xFF);
out.write((data >>> 8) & 0xFF);
out.write((data ) & 0xFF);
}
private static void writeINDEXC2B(OutputStream out, int[] indexC2B)
throws IOException
{
writeShort(out, MAP_INDEXC2B);
writeShort(out, indexC2B.length);
int off = 0;
for (int i = 0; i < indexC2B.length; i++) {
if (indexC2B[i] != 0) {
writeShort(out, off);
off += 256;
} else {
writeShort(out, -1);
}
}
}
private static void writeSINGLEBYTE(OutputStream out, int[] sb)
throws IOException
{
writeShortArray(out, MAP_SINGLEBYTE, sb, 0, 256);
}
private static void writeDOUBLEBYTE(OutputStream out,
int type,
int[] db,
int b1Min, int b1Max,
int b2Min, int b2Max)
throws IOException
{
writeShort(out, type);
writeShort(out, b1Min);
writeShort(out, b1Max);
writeShort(out, b2Min);
writeShort(out, b2Max);
writeShort(out, (b1Max - b1Min + 1) * (b2Max - b2Min + 1));
for (int b1 = b1Min; b1 <= b1Max; b1++) {
for (int b2 = b2Min; b2 <= b2Max; b2++) {
writeShort(out, db[b1 * 256 + b2]);
}
}
}
private static void writeDOUBLEBYTE1(OutputStream out,
int[] db,
int b1Min, int b1Max,
int b2Min, int b2Max)
throws IOException
{
writeDOUBLEBYTE(out, MAP_DOUBLEBYTE1, db, b1Min, b1Max, b2Min, b2Max);
}
private static void writeDOUBLEBYTE2(OutputStream out,
int[] db,
int b1Min, int b1Max,
int b2Min, int b2Max)
throws IOException
{
writeDOUBLEBYTE(out, MAP_DOUBLEBYTE2, db, b1Min, b1Max, b2Min, b2Max);
}
// the c2b table is output as well
private static void writeSUPPLEMENT(OutputStream out, Entry[] supp, int size)
throws IOException
{
writeShort(out, MAP_SUPPLEMENT);
writeShort(out, size * 2);
// db at first half, cc at the low half
for (int i = 0; i < size; i++) {
writeShort(out, supp[i].bs);
}
for (int i = 0; i < size; i++) {
writeShort(out, supp[i].cp);
}
//c2b
writeShort(out, MAP_SUPPLEMENT_C2B);
writeShort(out, size*2);
Arrays.sort(supp, 0, size, comparatorCP);
for (int i = 0; i < size; i++) {
writeShort(out, supp[i].cp);
}
for (int i = 0; i < size; i++) {
writeShort(out, supp[i].bs);
}
}
private static void writeCOMPOSITE(OutputStream out, Entry[] comp, int size)
throws IOException
{
writeShort(out, MAP_COMPOSITE);
writeShort(out, size*3);
// comp is sorted already
for (int i = 0; i < size; i++) {
writeShort(out, (char)comp[i].bs);
writeShort(out, (char)comp[i].cp);
writeShort(out, (char)comp[i].cp2);
}
}
}