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This patch was generated by a script. Here's the source of the script for
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function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsGBKConvUtil.h"
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#include "gbku.h"
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#include "nsCRT.h"
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#define MAX_GBK_LENGTH 24066 /* (0xfe-0x80)*(0xfe-0x3f) */
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//--------------------------------------------------------------------
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// nsGBKConvUtil
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//--------------------------------------------------------------------
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static bool gInitToGBKTable = false;
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static const PRUnichar gGBKToUnicodeTable[MAX_GBK_LENGTH] = {
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#include "cp936map.h"
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};
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static uint16_t gUnicodeToGBKTable[0xA000-0x4e00];
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bool nsGBKConvUtil::UnicodeToGBKChar(
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PRUnichar aChar, bool aToGL, char*
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aOutByte1, char* aOutByte2)
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{
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NS_ASSERTION(gInitToGBKTable, "gGBKToUnicodeTable is not init yet. need to call InitToGBKTable first");
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bool found=false;
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*aOutByte1 = *aOutByte2 = 0;
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if(UNICHAR_IN_RANGE(0xd800, aChar, 0xdfff))
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{
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// surrogate is not in here
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return false;
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}
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if(UNICHAR_IN_RANGE(0x4e00, aChar, 0x9FFF))
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{
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uint16_t item = gUnicodeToGBKTable[aChar - 0x4e00];
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if(item != 0)
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{
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*aOutByte1 = item >> 8;
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*aOutByte2 = item & 0x00FF;
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found = true;
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} else {
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return false;
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}
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} else {
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// ugly linear search
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for( int32_t i = 0; i < MAX_GBK_LENGTH; i++ )
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{
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if( aChar == gGBKToUnicodeTable[i])
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{
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*aOutByte1 = (i / 0x00BF + 0x0081) ;
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*aOutByte2 = (i % 0x00BF + 0x0040) ;
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found = true;
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break;
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}
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}
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}
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if(! found)
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return false;
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if(aToGL) {
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// to GL, we only return if it is in the range
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if(UINT8_IN_RANGE(0xA1, *aOutByte1, 0xFE) &&
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UINT8_IN_RANGE(0xA1, *aOutByte2, 0xFE))
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{
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// mask them to GL
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*aOutByte1 &= 0x7F;
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*aOutByte2 &= 0x7F;
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} else {
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// if it does not fit into 0xa1-0xfe 0xa1-0xfe range that mean
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// it is not a GB2312 character, we cannot map to GL
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*aOutByte1 = 0x00;
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*aOutByte2 = 0x00;
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return false;
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}
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}
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return true;
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}
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PRUnichar nsGBKConvUtil::GBKCharToUnicode(char aByte1, char aByte2)
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{
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NS_ASSERTION(UINT8_IN_RANGE(0x81,aByte1, 0xFE), "first byte out of range");
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NS_ASSERTION(UINT8_IN_RANGE(0x40,aByte2, 0xFE), "second byte out of range");
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uint8_t i1 = (uint8_t)aByte1;
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uint8_t i2 = (uint8_t)aByte2;
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uint16_t idx = (i1 - 0x0081) * 0x00bf + i2 - 0x0040 ;
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NS_ASSERTION(idx < MAX_GBK_LENGTH, "ARB");
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// play it safe- add if statement here ot protect ARB
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// probably not necessary
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if(idx < MAX_GBK_LENGTH)
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return gGBKToUnicodeTable[ idx ];
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else
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return UCS2_NO_MAPPING;
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}
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void nsGBKConvUtil::InitToGBKTable()
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{
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if ( gInitToGBKTable )
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return;
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PRUnichar unicode;
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PRUnichar i;
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// zap it to zero first
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memset(gUnicodeToGBKTable,0, sizeof(gUnicodeToGBKTable));
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for ( i=0; i<MAX_GBK_LENGTH; i++ )
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{
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unicode = gGBKToUnicodeTable[i];
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// to reduce size of gUnicodeToGBKTable, we only do direct unicode to GB
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// table mapping between unicode 0x4E00 and 0xA000. Others by searching
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// gGBKToUnicodeTable. There is a trade off between memory usage and speed.
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if(UNICHAR_IN_RANGE(0x4e00, unicode, 0x9fff))
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{
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unicode -= 0x4E00;
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gUnicodeToGBKTable[unicode] = (( i / 0x00BF + 0x0081) << 8) |
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( i % 0x00BF+ 0x0040);
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}
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}
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gInitToGBKTable = true;
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}
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