jdk/make/tools/src/build/tools/charsetmapping/GenerateSBCS.java
changeset 5222 a430c36e9f2c
parent 5221 8d57da0c20f6
parent 5211 1d7f06d3f89d
child 5223 44158f6d3b94
--- a/jdk/make/tools/src/build/tools/charsetmapping/GenerateSBCS.java	Tue Apr 13 16:42:58 2010 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,269 +0,0 @@
-/*
- * Copyright 2008 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 GenerateSBCS {
-
-    public static void genSBCS(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 < 5) {
-                System.err.println("Misconfiged sbcs line <" + line + ">?");
-                continue;
-            }
-            String clzName = fields[0];
-            String csName  = fields[1];
-            String hisName = fields[2];
-            boolean isASCII = Boolean.valueOf(fields[3]);
-            String pkgName  = fields[4];
-            System.out.printf("%s,%s,%s,%b,%s%n", clzName, csName, hisName, isASCII, pkgName);
-
-            genClass(args[0], args[1], "SingleByte-X.java.template",
-                     clzName, csName, hisName, pkgName, isASCII);
-        }
-    }
-
-    private static void toString(char[] sb, int off, int end,
-                                 Formatter out, String closure,
-                                 boolean comment) {
-        while (off < end) {
-            out.format("        \"");
-            for (int j = 0; j < 8; j++) {
-                if (off == end)
-                    break;
-                char c = sb[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 (comment) {
-                if (off == end)
-                    out.format("\" %s      // 0x%02x - 0x%02x%n",
-                               closure, off-8, off-1);
-                else
-                    out.format("\" +      // 0x%02x - 0x%02x%n",
-                               off-8, off-1);
-            } else {
-                if (off == end)
-                    out.format("\"%s%n", closure);
-                else
-                    out.format("\" +%n");
-            }
-        }
-    }
-
-    static Pattern sbmap = Pattern.compile("0x(\\p{XDigit}++)\\s++U\\+(\\p{XDigit}++)(\\s++#.*)?");
-
-    private static void genClass(String srcDir, String dstDir,
-                                 String template,
-                                 String clzName,
-                                 String csName,
-                                 String hisName,
-                                 String pkgName,
-                                 boolean isASCII)
-        throws Exception
-    {
-        StringBuilder b2cSB = new StringBuilder();
-        StringBuilder b2cNRSB = new StringBuilder();
-        StringBuilder c2bNRSB = new StringBuilder();
-
-        char[] sb = new char[0x100];
-        char[] c2bIndex = new char[0x100];
-        int    c2bOff = 0;
-        Arrays.fill(sb, UNMAPPABLE_DECODING);
-        Arrays.fill(c2bIndex, 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, sbmap);
-        Entry  e = null;
-
-        while ((e = p.next()) != null) {
-            sb[e.bs] = (char)e.cp;
-            if (c2bIndex[e.cp>>8] == UNMAPPABLE_DECODING) {
-                c2bOff += 0x100;
-                c2bIndex[e.cp>>8] = 1;
-            }
-        }
-
-        Formatter fm = new Formatter(b2cSB);
-        fm.format("%n");
-
-        // vm -server shows cc[byte + 128] access is much faster than
-        // cc[byte&0xff] so we output the upper segment first
-        toString(sb, 0x80, 0x100, fm, "+", true);
-        toString(sb, 0x00, 0x80,  fm, ";", true);
-        fm.close();
-
-        // (2)now the .nr file which includes "b->c" non-roundtrip entries
-        File f = new File(srcDir, clzName + ".nr");
-        if (f.exists()) {
-            in = new FileInputStream(f);
-            fm = new Formatter(b2cNRSB);
-            p = new Parser(in, sbmap);
-            e = null;
-
-            fm.format("// remove non-roundtrip entries%n");
-            fm.format("        b2cMap = b2cTable.toCharArray();%n");
-            while ((e = p.next()) != null) {
-                fm.format("        b2cMap[%d] = UNMAPPABLE_DECODING;%n",
-                          (e.bs>=0x80)?(e.bs-0x80):(e.bs+0x80));
-            }
-            fm.close();
-        }
-
-        // (3)finally the .c2b file which includes c->b non-roundtrip entries
-        f = new File(srcDir, clzName + ".c2b");
-        if (f.exists()) {
-            in = new FileInputStream(f);
-            fm = new Formatter(c2bNRSB);
-            p = new Parser(in, sbmap);
-            e = null;
-            ArrayList<Entry> es = new ArrayList<Entry>();
-            while ((e = p.next()) != null) {
-                if (c2bIndex[e.cp>>8] == UNMAPPABLE_DECODING) {
-                    c2bOff += 0x100;
-                    c2bIndex[e.cp>>8] = 1;
-                }
-                es.add(e);
-            }
-            fm.format("// non-roundtrip c2b only entries%n");
-            if (es.size() < 100) {
-                fm.format("        c2bNR = new char[%d];%n", es.size() * 2);
-                int i = 0;
-                for (Entry entry: es) {
-                    fm.format("        c2bNR[%d] = 0x%x; c2bNR[%d] = 0x%x;%n",
-                              i++, entry.bs, i++, entry.cp);
-                }
-            } else {
-                char[] cc = new char[es.size() * 2];
-                int i = 0;
-                for (Entry entry: es) {
-                    cc[i++] = (char)entry.bs;
-                    cc[i++] = (char)entry.cp;
-                }
-                fm.format("        c2bNR = (%n");
-                toString(cc, 0, i,  fm, ").toCharArray();", false);
-            }
-            fm.close();
-        }
-
-        // (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")));
-
-        while (s.hasNextLine()) {
-            String line = s.nextLine();
-            int i = line.indexOf("$");
-            if (i == -1) {
-                out.println(line);
-                continue;
-            }
-            if (line.indexOf("$PACKAGE$", i) != -1) {
-                line = line.replace("$PACKAGE$", pkgName);
-            }
-            if (line.indexOf("$NAME_CLZ$", i) != -1) {
-                line = line.replace("$NAME_CLZ$", clzName);
-            }
-            if (line.indexOf("$NAME_CS$", i) != -1) {
-                line = line.replace("$NAME_CS$", csName);
-            }
-            if (line.indexOf("$NAME_ALIASES$", i) != -1) {
-                if ("sun.nio.cs".equals(pkgName))
-                    line = line.replace("$NAME_ALIASES$",
-                                        "StandardCharsets.aliases_" + clzName);
-                else
-                    line = line.replace("$NAME_ALIASES$",
-                                        "ExtendedCharsets.aliasesFor(\"" + csName + "\")");
-            }
-            if (line.indexOf("$NAME_HIS$", i) != -1) {
-                line = line.replace("$NAME_HIS$", hisName);
-            }
-            if (line.indexOf("$CONTAINS$", i) != -1) {
-                if (isASCII)
-                    line = "        return ((cs.name().equals(\"US-ASCII\")) || (cs instanceof " + clzName + "));";
-                else
-                    line = "        return (cs instanceof " + clzName + ");";
-            }
-            if (line.indexOf("$B2CTABLE$") != -1) {
-                line = line.replace("$B2CTABLE$", b2c);
-            }
-            if (line.indexOf("$C2BLENGTH$") != -1) {
-                line = line.replace("$C2BLENGTH$", "0x" + Integer.toString(c2bOff, 16));
-            }
-            if (line.indexOf("$NONROUNDTRIP_B2C$") != -1) {
-                if (b2cNR.length() == 0)
-                    continue;
-                line = line.replace("$NONROUNDTRIP_B2C$", b2cNR);
-            }
-
-            if (line.indexOf("$NONROUNDTRIP_C2B$") != -1) {
-                if (c2bNR.length() == 0)
-                    continue;
-                line = line.replace("$NONROUNDTRIP_C2B$", c2bNR);
-            }
-            out.println(line);
-        }
-        out.close();
-    }
-}