jdk/make/tools/src/build/tools/charsetmapping/GenerateDBCS.java
changeset 5222 a430c36e9f2c
parent 5221 8d57da0c20f6
parent 5211 1d7f06d3f89d
child 5223 44158f6d3b94
--- a/jdk/make/tools/src/build/tools/charsetmapping/GenerateDBCS.java	Tue Apr 13 16:42:58 2010 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,287 +0,0 @@
-/*
- * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * 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).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-package build.tools.charsetmapping;
-import java.io.*;
-import java.util.Arrays;
-import java.util.ArrayList;
-import java.util.Scanner;
-import java.util.Formatter;
-import java.util.regex.*;
-import java.nio.charset.*;
-import static build.tools.charsetmapping.CharsetMapping.*;
-
-public class GenerateDBCS {
-    // pattern used by this class to read in mapping table
-    static Pattern mPattern = Pattern.compile("(?:0x)?(\\p{XDigit}++)\\s++(?:0x)?(\\p{XDigit}++)(?:\\s++#.*)?");
-    public static void genDBCS(String args[]) throws Exception {
-
-        Scanner s = new Scanner(new File(args[0], args[2]));
-        while (s.hasNextLine()) {
-            String line = s.nextLine();
-            if (line.startsWith("#") || line.length() == 0)
-                continue;
-            String[] fields = line.split("\\s+");
-            if (fields.length < 10) {
-                System.err.println("Misconfiged sbcs line <" + line + ">?");
-                continue;
-            }
-            String clzName = fields[0];
-            String csName  = fields[1];
-            String hisName = ("null".equals(fields[2]))?null:fields[2];
-            String type = fields[3].toUpperCase();
-            if ("BASIC".equals(type))
-                type = "";
-            else
-                type = "_" + type;
-            String pkgName  = fields[4];
-            boolean isASCII = Boolean.valueOf(fields[5]);
-            int    b1Min = toInteger(fields[6]);
-            int    b1Max = toInteger(fields[7]);
-            int    b2Min    = toInteger(fields[8]);
-            int    b2Max    = toInteger(fields[9]);
-            System.out.printf("%s,%s,%s,%b,%s%n", clzName, csName, hisName, isASCII, pkgName);
-            genClass(args[0], args[1], "DoubleByte-X.java.template",
-                    clzName, csName, hisName, pkgName,
-                    isASCII, type,
-                    b1Min, b1Max, b2Min, b2Max);
-        }
-    }
-
-    private static int toInteger(String s) {
-        if (s.startsWith("0x") || s.startsWith("0X"))
-            return Integer.valueOf(s.substring(2), 16);
-        else
-            return Integer.valueOf(s);
-    }
-
-    private static void outString(Formatter out,
-                                  char[] cc, int off, int end,
-                                  String closure)
-    {
-        while (off < end) {
-            out.format("        \"");
-            for (int j = 0; j < 8; j++) {
-                if (off == end)
-                    break;
-                char c = cc[off++];
-                switch (c) {
-                case '\b':
-                    out.format("\\b"); break;
-                case '\t':
-                    out.format("\\t"); break;
-                case '\n':
-                    out.format("\\n"); break;
-                case '\f':
-                    out.format("\\f"); break;
-                case '\r':
-                    out.format("\\r"); break;
-                case '\"':
-                    out.format("\\\""); break;
-                case '\'':
-                    out.format("\\'"); break;
-                case '\\':
-                    out.format("\\\\"); break;
-                default:
-                    out.format("\\u%04X", c & 0xffff);
-                }
-            }
-            if (off == end)
-                out.format("\" %s%n", closure);
-            else
-                out.format("\" + %n");
-        }
-    }
-
-    private static void outString(Formatter out,
-                                  char[] db,
-                                  int b1,
-                                  int b2Min, int b2Max,
-                                  String closure)
-    {
-        char[] cc = new char[b2Max - b2Min + 1];
-        int off = 0;
-        for (int b2 = b2Min; b2 <= b2Max; b2++) {
-            cc[off++] = db[(b1 << 8) | b2];
-        }
-        outString(out, cc, 0, cc.length, closure);
-    }
-
-    private static void genClass(String srcDir, String dstDir, String template,
-                                 String clzName,
-                                 String csName,
-                                 String hisName,
-                                 String pkgName,
-                                 boolean isASCII,
-                                 String type,
-                                 int b1Min, int b1Max,
-                                 int b2Min, int b2Max)
-        throws Exception
-    {
-
-        StringBuilder b2cSB = new StringBuilder();
-        StringBuilder b2cNRSB = new StringBuilder();
-        StringBuilder c2bNRSB = new StringBuilder();
-
-        char[] db = new char[0x10000];
-        char[] c2bIndex = new char[0x100];
-        int c2bOff = 0x100;    // first 0x100 for unmappable segs
-
-        Arrays.fill(db, UNMAPPABLE_DECODING);
-        Arrays.fill(c2bIndex, UNMAPPABLE_DECODING);
-
-        char[] b2cIndex = new char[0x100];
-        Arrays.fill(b2cIndex, UNMAPPABLE_DECODING);
-
-        // (1)read in .map to parse all b->c entries
-        FileInputStream in = new FileInputStream(new File(srcDir, clzName + ".map"));
-        Parser p = new Parser(in, mPattern);
-        Entry  e = null;
-        while ((e = p.next()) != null) {
-            db[e.bs] = (char)e.cp;
-
-            if (e.bs > 0x100 &&    // db
-                b2cIndex[e.bs>>8] == UNMAPPABLE_DECODING) {
-                b2cIndex[e.bs>>8] = 1;
-            }
-
-            if (c2bIndex[e.cp>>8] == UNMAPPABLE_DECODING) {
-                c2bOff += 0x100;
-                c2bIndex[e.cp>>8] = 1;
-            }
-        }
-        Formatter fm = new Formatter(b2cSB);
-        fm.format("%n    static final String b2cSBStr =%n");
-        outString(fm, db, 0x00, 0x100,  ";");
-
-        fm.format("%n        static final String[] b2cStr = {%n");
-        for (int i = 0; i < 0x100; i++) {
-            if (b2cIndex[i] == UNMAPPABLE_DECODING) {
-                fm.format("            null,%n");  //unmappable segments
-            } else {
-                outString(fm, db, i, b2Min, b2Max, ",");
-            }
-        }
-
-        fm.format("        };%n");
-        fm.close();
-
-        // (2)now parse the .nr file which includes "b->c" non-roundtrip entries
-        File f = new File(srcDir, clzName + ".nr");
-        if (f.exists()) {
-            StringBuilder sb = new StringBuilder();
-            in = new FileInputStream(f);
-            p = new Parser(in, mPattern);
-            e = null;
-            while ((e = p.next()) != null) {
-                // A <b,c> pair
-                sb.append((char)e.bs);
-                sb.append((char)e.cp);
-            }
-            char[] nr = sb.toString().toCharArray();
-            fm = new Formatter(b2cNRSB);
-            fm.format("String b2cNR =%n");
-            outString(fm, nr, 0, nr.length,  ";");
-            fm.close();
-        } else {
-            b2cNRSB.append("String b2cNR = null;");
-        }
-
-        // (3)finally the .c2b file which includes c->b non-roundtrip entries
-        f = new File(srcDir, clzName + ".c2b");
-        if (f.exists()) {
-            StringBuilder sb = new StringBuilder();
-            in = new FileInputStream(f);
-            p = new Parser(in, mPattern);
-            e = null;
-            while ((e = p.next()) != null) {
-                // A <b,c> pair
-                if (c2bIndex[e.cp>>8] == UNMAPPABLE_DECODING) {
-                    c2bOff += 0x100;
-                    c2bIndex[e.cp>>8] = 1;
-                }
-                sb.append((char)e.bs);
-                sb.append((char)e.cp);
-            }
-            char[] nr = sb.toString().toCharArray();
-            fm = new Formatter(c2bNRSB);
-            fm.format("String c2bNR =%n");
-            outString(fm, nr, 0, nr.length,  ";");
-            fm.close();
-        } else {
-            c2bNRSB.append("String c2bNR = null;");
-        }
-
-        // (4)it's time to generate the source file
-        String b2c = b2cSB.toString();
-        String b2cNR = b2cNRSB.toString();
-        String c2bNR = c2bNRSB.toString();
-
-        Scanner s = new Scanner(new File(srcDir, template));
-        PrintStream out = new PrintStream(new FileOutputStream(
-                              new File(dstDir, clzName + ".java")));
-        if (hisName == null)
-            hisName = "";
-
-        while (s.hasNextLine()) {
-            String line = s.nextLine();
-            if (line.indexOf("$") == -1) {
-                out.println(line);
-                continue;
-            }
-            line = line.replace("$PACKAGE$" , pkgName)
-                       .replace("$IMPLEMENTS$", (hisName == null)?
-                                "" : "implements HistoricallyNamedCharset")
-                       .replace("$NAME_CLZ$", clzName)
-                       .replace("$NAME_ALIASES$",
-                                "sun.nio.cs".equals(pkgName) ?
-                                "StandardCharsets.aliases_" + clzName :
-                                "ExtendedCharsets.aliasesFor(\"" + csName + "\")")
-                       .replace("$NAME_CS$" , csName)
-                       .replace("$CONTAINS$",
-                                "MS932".equals(clzName)?
-                                "return ((cs.name().equals(\"US-ASCII\")) || (cs instanceof JIS_X_0201) || (cs instanceof " + clzName + "));":
-                                (isASCII ?
-                                 "return ((cs.name().equals(\"US-ASCII\")) || (cs instanceof " + clzName + "));":
-                                 "return (cs instanceof " + clzName + ");"))
-                       .replace("$HISTORICALNAME$",
-                                (hisName == null)? "" :
-                                "    public String historicalName() { return \"" + hisName + "\"; }")
-                       .replace("$DECTYPE$", type)
-                       .replace("$ENCTYPE$", type)
-                       .replace("$B1MIN$"   , "0x" + Integer.toString(b1Min, 16))
-                       .replace("$B1MAX$"   , "0x" + Integer.toString(b1Max, 16))
-                       .replace("$B2MIN$"   , "0x" + Integer.toString(b2Min, 16))
-                       .replace("$B2MAX$"   , "0x" + Integer.toString(b2Max, 16))
-                       .replace("$B2C$", b2c)
-                       .replace("$C2BLENGTH$", "0x" + Integer.toString(c2bOff, 16))
-                       .replace("$NONROUNDTRIP_B2C$", b2cNR)
-                       .replace("$NONROUNDTRIP_C2B$", c2bNR);
-
-            out.println(line);
-        }
-        out.close();
-    }
-}