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JIS0201.h: New file, generated from Unicode table.

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* gnu/gcj/convert/JIS0201.h:  New file, generated from Unicode table.
	* gnu/gcj/convert/Input_JavaSrc.java: New BytesToUnicode class.
	* gnu/gcj/convert/Input_SJIS.java: New BytesToUnicode class.
	* gnu/gcj/convert/Output_EUCJIS.java:  New UnicodeToBytes class.
	* gnu/gcj/convert/Output_SJIS.java:  New UnicodeToBytes class.
	* gnu/gcj/convert/natInput_EUCJIS.cc:  New file.
	* gnu/gcj/convert/natInput_SJIS.cc:  New file.
	* gnu/gcj/convert/natOutput_EUCJIS.cc:  New file.
	* gnu/gcj/convert/natOutput_SJIS.cc:  New file.
	* gnu/gcj/convert/make-trie.c:  New file: functions to make a trie.
	* gnu/gcj/convert/gen-from-JIS.c:  Invoke make-trie for output.
	* gnu/gcj/convert/Unicode_to_JIS.cc:  New generated trie table.

From-SVN: r26503
This commit is contained in:
Per Bothner 1999-04-16 10:25:08 -07:00
parent 0ff6b2f10b
commit 2373aba264
1 changed files with 72 additions and 0 deletions
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72
libjava/gnu/gcj/convert/natOutput_SJIS.cc Normal file
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/* Copyright (C) 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <cni.h>
#include <gnu/gcj/convert/Output_SJIS.h>
extern unsigned short Unicode_to_JIS[];
extern int trie_lookup (unsigned short *trie, unsigned short key);
static jint
convert_TO_SJIS (gnu::gcj::convert::Output_SJIS *encoder,
jchar *ptr, jint inlength)
{
int orig_inlength = inlength;
jint outbuf_length = encoder->buf->length;
for (;;)
{
if (encoder->count >= outbuf_length)
break;
if (encoder->pending >= 0)
{
elements(encoder->buf)[encoder->count++] = encoder->pending;
encoder->pending = -1;
continue;
}
if (inlength == 0)
break;
jchar ch = *ptr++;
inlength--;
unsigned short val = trie_lookup(Unicode_to_JIS, ch);
if (val < 0xFF)
{
if (val == 0xffff)
val = '?';
}
else
{
int b1 = val >> 8;
int b2 = val & 0xff;
// From Lunde: "CJKV Informatio Processing", O'Reilly, 1999:
int rowOffset = b1 < 95 ? 112 : 176;
int cellOffset = (b1 & 1) != 0 ? (b2 > 95 ? 32 : 31) : 126;
b1 = ((b1 + 1) >> 1) + rowOffset;
b2 += cellOffset;
val = b1;
encoder->pending = b2;
}
elements(encoder->buf)[encoder->count++] = val;
}
return orig_inlength - inlength;
}
jint
gnu::gcj::convert::Output_SJIS::write (jcharArray inbuffer,
jint inpos, jint inlength)
{
return convert_TO_SJIS(this, &elements(inbuffer)[inpos], inlength);
}
jint
gnu::gcj::convert::Output_SJIS::write (jstring str, jint inpos,
jint inlength, jcharArray)
{
return convert_TO_SJIS(this, _Jv_GetStringChars(str)+inpos, inlength);
}