132 lines
3.0 KiB
Bash
132 lines
3.0 KiB
Bash
#! /bin/sh
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#
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# Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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# Generate a charset provider class
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# Required environment variables
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# NAWK awk tool
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# TEMPDIR temporary directory
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# HASHER Hasher program
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SPEC=$1; shift
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DST=$1; shift
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eval `$NAWK <$SPEC '
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/^[ \t]*copyright / { printf "COPYRIGHT_YEARS=\"%s %s\"\n", $2, $3; }
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/^[ \t]*package / { printf "PKG=%s\n", $2; }
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/^[ \t]*class / { printf "CLASS=%s\n", $2; }
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'`
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OUT=$DST/$CLASS.java
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echo '-->' $OUT
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# Header
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#
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$SH ${SCRIPTS}/addNotices.sh "$COPYRIGHT_YEARS" > $OUT
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cat <<__END__ >>$OUT
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// -- This file was mechanically generated: Do not edit! -- //
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package $PKG;
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import java.nio.charset.*;
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public class $CLASS
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extends FastCharsetProvider
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{
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__END__
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# Alias tables
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#
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$NAWK <$SPEC >>$OUT '
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BEGIN { n = 1; m = 1; }
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/^[ \t]*charset / {
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csn = $2; cln = $3;
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lcsn = tolower(csn);
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lcsns[n++] = lcsn;
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csns[lcsn] = csn;
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classMap[lcsn] = cln;
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if (n > 2)
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printf " };\n\n";
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printf " static final String[] aliases_%s = new String[] {\n", cln;
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}
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/^[ \t]*alias / {
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acsns[m++] = tolower($2);
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aliasMap[tolower($2)] = lcsn;
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printf " \"%s\",\n", $2;
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}
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END {
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printf " };\n\n";
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}
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'
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# Prehashed alias and class maps
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#
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$NAWK <$SPEC >$TEMPDIR/aliases '
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/^[ \t]*charset / {
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csn = $2;
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lcsn = tolower(csn);
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}
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/^[ \t]*alias / {
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an = tolower($2);
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printf "%-20s \"%s\"\n", an, lcsn;
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}
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'
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$NAWK <$SPEC >$TEMPDIR/classes '
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/^[ \t]*charset / {
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csn = $2; cln = $3;
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lcsn = tolower(csn);
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printf "%-20s \"%s\"\n", lcsn, cln;
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}
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'
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${HASHER} -i Aliases <$TEMPDIR/aliases >>$OUT
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${HASHER} -i Classes <$TEMPDIR/classes >>$OUT
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${HASHER} -i -e Cache -t Charset <$TEMPDIR/classes >>$OUT
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# Constructor
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#
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cat <<__END__ >>$OUT
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public $CLASS() {
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super("$PKG", new Aliases(), new Classes(), new Cache());
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}
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}
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__END__
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