mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2024-12-28 09:58:30 +01:00
629 lines
18 KiB
C
Executable file
629 lines
18 KiB
C
Executable file
/* -*-mode: C; fill-column: 78; c-basic-offset: 4;-*- */
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/*
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* Copyright 1997-2001 by Eric House (fixin@peak.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef STUBBED_DICT
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#include "stdafx.h"
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#include <commdlg.h>
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#include "dictnryp.h"
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#include "strutils.h"
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#include "cedict.h"
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typedef struct CEDictionaryCtxt {
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DictionaryCtxt super;
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HANDLE mappedFile;
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void* mappedBase;
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/* size_t dictSize; */
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} CEDictionaryCtxt;
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static void ce_dict_destroy( DictionaryCtxt* dict );
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static XP_UCHAR* ce_dict_getShortName( DictionaryCtxt* dict );
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static void ceLoadSpecialData( CEDictionaryCtxt* ctxt, XP_U8** ptrp );
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static XP_U16 ceCountSpecials( CEDictionaryCtxt* ctxt );
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static XP_Bitmap* ceMakeBitmap( CEDictionaryCtxt* ctxt, XP_U8** ptrp );
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static XP_U32 n_ptr_tohl( XP_U8** in );
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static XP_U16 n_ptr_tohs( XP_U8** in );
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static XP_U8* openMappedFile( wchar_t* name, HANDLE* mappedFileP,
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HANDLE* hFileP);
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#define ALIGN_COUNT 2
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DictionaryCtxt*
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ce_dictionary_make( CEAppGlobals* globals, XP_UCHAR* dictName )
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{
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CEDictionaryCtxt* ctxt = (CEDictionaryCtxt*)NULL;
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HANDLE mappedFile = NULL;
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ctxt = (CEDictionaryCtxt*)XP_MALLOC(globals->mpool, sizeof(*ctxt));
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XP_MEMSET( ctxt, 0, sizeof(*ctxt) );
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dict_super_init( (DictionaryCtxt*)ctxt );
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MPASSIGN( ctxt->super.mpool, globals->mpool );
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if ( !!dictName ) {
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wchar_t nameBuf[MAX_PATH+1];
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HANDLE hFile;
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XP_U8* ptr;
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ctxt->super.destructor = ce_dict_destroy;
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ctxt->super.func_dict_getShortName = ce_dict_getShortName;
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XP_DEBUGF( "looking for dict %s", dictName );
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MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, dictName, -1,
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nameBuf, sizeof(nameBuf)/sizeof(nameBuf[0]) );
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ptr = openMappedFile( nameBuf, &ctxt->mappedFile, &hFile );
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if ( !!ptr ) {
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XP_U32 offset;
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XP_U16 numFaces;
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XP_U16 i;
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XP_U16 flags;
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XP_U32 dictLength;
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ctxt->mappedBase = (void*)ptr;
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XP_DEBUGF( "ptr starting at 0x%lx", ptr );
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flags = n_ptr_tohs( &ptr );
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XP_DEBUGF( "ce_dictionary_make: flags=0x%x", flags );
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numFaces = (XP_U16)(*ptr++);
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ctxt->super.nFaces = (XP_U8)numFaces;
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XP_DEBUGF( "read %d faces from dict", (short)numFaces );
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ctxt->super.faces16 =
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XP_MALLOC( globals->mpool,
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numFaces * sizeof(ctxt->super.faces16[0]) );
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#ifdef NODE_CAN_4
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if ( flags == 0x0002 ) {
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ctxt->super.nodeSize = 3;
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} else if ( flags == 0x0003 ) {
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ctxt->super.nodeSize = 4;
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} else {
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XP_ASSERT( 0 );
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}
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ctxt->super.is_4_byte = ctxt->super.nodeSize == 4;
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for ( i = 0; i < numFaces; ++i ) {
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ctxt->super.faces16[i] = n_ptr_tohs(&ptr);
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}
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#else
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XP_ASSERT( flags == 0x0001 );
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for ( i = 0; i < numFaces; ++i ) {
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ctxt->super.faces16[i] = (XP_CHAR16)*ptr++;
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}
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#endif
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ctxt->super.countsAndValues =
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(XP_U8*)XP_MALLOC(globals->mpool, numFaces*2);
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ptr += 2; /* skip xloc header */
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XP_DEBUGF( "pre values: ptr now 0x%lx", ptr );
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for ( i = 0; i < numFaces*2; i += 2 ) {
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ctxt->super.countsAndValues[i] = *ptr++;
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ctxt->super.countsAndValues[i+1] = *ptr++;
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}
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XP_DEBUGF( "post values: ptr now 0x%lx", ptr );
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ceLoadSpecialData( ctxt, &ptr );
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dictLength = GetFileSize( hFile, NULL );
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dictLength -= ptr - (XP_U8*)ctxt->mappedBase;
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if ( dictLength > sizeof(XP_U32) ) {
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offset = n_ptr_tohl( &ptr );
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dictLength -= sizeof(offset);
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#ifdef NODE_CAN_4
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XP_ASSERT( dictLength % ctxt->super.nodeSize == 0 );
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# ifdef DEBUG
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ctxt->super.numEdges = dictLength / ctxt->super.nodeSize;
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# endif
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#else
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XP_ASSERT( dictLength % 3 == 0 );
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# ifdef DEBUG
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ctxt->super.numEdges = dictLength / 3;
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# endif
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#endif
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}
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if ( dictLength > 0 ) {
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XP_DEBUGF( "setting topEdge; offset = %ld", offset );
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ctxt->super.base = (array_edge*)ptr;
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#ifdef NODE_CAN_4
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ctxt->super.topEdge = ctxt->super.base
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+ (offset * ctxt->super.nodeSize);
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#else
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ctxt->super.topEdge = ctxt->super.base + (offset * 3);
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#endif
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} else {
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ctxt->super.topEdge = (array_edge*)NULL;
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ctxt->super.base = (array_edge*)NULL;
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}
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}
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setBlankTile( (DictionaryCtxt*)ctxt );
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ctxt->super.name = copyString(MPPARM(globals->mpool) dictName);
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}
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return (DictionaryCtxt*)ctxt;
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} /* ce_dictionary_make */
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static void
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ceLoadSpecialData( CEDictionaryCtxt* ctxt, XP_U8** ptrp )
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{
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XP_U16 nSpecials = ceCountSpecials( ctxt );
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XP_U8* ptr = *ptrp;
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Tile i;
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XP_UCHAR** texts;
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SpecialBitmaps* bitmaps;
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XP_DEBUGF( "loadSpecialData: there are %d specials", nSpecials );
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texts = (XP_UCHAR**)XP_MALLOC( ctxt->super.mpool,
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nSpecials * sizeof(*texts) );
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bitmaps = (SpecialBitmaps*)
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XP_MALLOC( ctxt->super.mpool, nSpecials * sizeof(*bitmaps) );
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for ( i = 0; i < ctxt->super.nFaces; ++i ) {
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XP_CHAR16 face = ctxt->super.faces16[(short)i];
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if ( IS_SPECIAL(face) ) {
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/* get the string */
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XP_U8 txtlen = *ptr++;
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XP_UCHAR* text = (XP_UCHAR*)XP_MALLOC(ctxt->super.mpool, txtlen+1);
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XP_MEMCPY( text, ptr, txtlen );
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ptr += txtlen;
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text[txtlen] = '\0';
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XP_ASSERT( face < nSpecials );
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texts[face] = text;
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XP_DEBUGF( "making bitmaps for %s", texts[face] );
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bitmaps[face].largeBM = ceMakeBitmap( ctxt, &ptr );
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bitmaps[face].smallBM = ceMakeBitmap( ctxt, &ptr );
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}
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}
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ctxt->super.chars = texts;
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ctxt->super.bitmaps = bitmaps;
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*ptrp = ptr;
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} /* ceLoadSpecialData */
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static XP_U16
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ceCountSpecials( CEDictionaryCtxt* ctxt )
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{
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XP_U16 result = 0;
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XP_U16 i;
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for ( i = 0; i < ctxt->super.nFaces; ++i ) {
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if ( IS_SPECIAL(ctxt->super.faces16[i] ) ) {
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++result;
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}
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}
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return result;
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} /* ceCountSpecials */
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static void
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printBitmapData1( XP_U16 nCols, XP_U16 nRows, XP_U8* data )
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{
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char strs[20];
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XP_U16 rowBytes;
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XP_U16 row, col;
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rowBytes = (nCols + 7) / 8;
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while ( (rowBytes % 2) != 0 ) {
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++rowBytes;
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}
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XP_DEBUGF( " printBitmapData (%dx%d):", nCols, nRows );
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for ( row = 0; row < nRows; ++row ) {
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for ( col = 0; col < nCols; ++col ) {
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XP_UCHAR byt = data[col / 8];
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XP_Bool set = (byt & (0x80 >> (col % 8))) != 0;
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strs[col] = set? '#': '.';
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}
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data += rowBytes;
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strs[nCols] = '\0';
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XP_DEBUGF( strs );
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}
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XP_DEBUGF( " printBitmapData done" );
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} /* printBitmapData1 */
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static void
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printBitmapData2( XP_U16 nCols, XP_U16 nRows, XP_U8* data )
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{
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XP_DEBUGF( " printBitmapData (%dx%d):", nCols, nRows );
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while ( nRows-- ) {
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XP_UCHAR buf[100];
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XP_UCHAR* ptr = buf;
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XP_U16 rowBytes = (nCols + 7) / 8;
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while ( (rowBytes % ALIGN_COUNT) != 0 ) {
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++rowBytes;
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}
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while ( rowBytes-- ) {
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ptr += XP_SNPRINTF( ptr, sizeof(buf), "0x%.2x ", *data++ );
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}
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XP_DEBUGF( buf );
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}
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XP_DEBUGF( " printBitmapData done" );
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} /* printBitmapData2 */
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#if 0
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static void
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longSwapData( XP_U8* destBase, XP_U16 nRows, XP_U16 rowBytes )
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{
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XP_U32* longBase = (XP_U32*)destBase;
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rowBytes /= 4;
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while ( nRows-- ) {
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XP_U16 i;
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for ( i = 0; i < rowBytes; ++i ) {
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XP_U32 n = *longBase;
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XP_U32 tmp = 0;
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tmp |= (n >> 24) & 0x000000FF;
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tmp |= (n >> 16) & 0x0000FF00;
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tmp |= (n >> 8 ) & 0x00FF0000;
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tmp |= (n >> 0 ) & 0xFF000000;
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*longBase = tmp;
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++longBase;
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}
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}
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} /* longSwapData */
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#endif
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static XP_Bitmap*
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ceMakeBitmap( CEDictionaryCtxt* ctxt, XP_U8** ptrp )
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{
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XP_U8* ptr = *ptrp;
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XP_U8 nCols = *ptr++;
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CEBitmapInfo* bitmap = (CEBitmapInfo*)NULL;
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if ( nCols > 0 ) {
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XP_U8* dest;
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XP_U8* savedDest;
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XP_U8 nRows = *ptr++;
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XP_U16 rowBytes = (nCols+7) / 8;
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XP_U8 srcByte = 0;
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XP_U8 destByte = 0;
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XP_U8 nBits;
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XP_U16 i;
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bitmap = (CEBitmapInfo*)XP_MALLOC( ctxt->super.mpool,
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sizeof(bitmap) );
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bitmap->nCols = nCols;
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bitmap->nRows = nRows;
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dest = XP_MALLOC( ctxt->super.mpool, rowBytes * nRows );
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bitmap->bits = savedDest = dest;
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nBits = nRows * nCols;
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for ( i = 0; i < nBits; ++i ) {
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XP_U8 srcBitIndex = i % 8;
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XP_U8 destBitIndex = (i % nCols) % 8;
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XP_U8 srcMask, bit;
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if ( srcBitIndex == 0 ) {
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srcByte = *ptr++;
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}
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srcMask = 1 << (7 - srcBitIndex);
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bit = (srcByte & srcMask) != 0;
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destByte |= bit << (7 - destBitIndex);
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/* we need to put the byte if we've filled it or if we're done
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with the row */
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if ( (destBitIndex==7) || ((i%nCols) == (nCols-1)) ) {
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*dest++ = destByte;
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destByte = 0;
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}
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}
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printBitmapData1( nCols, nRows, savedDest );
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printBitmapData2( nCols, nRows, savedDest );
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}
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*ptrp = ptr;
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return (XP_Bitmap*)bitmap;
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} /* ceMakeBitmap */
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static void
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ce_dict_destroy( DictionaryCtxt* dict )
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{
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CEDictionaryCtxt* ctxt = (CEDictionaryCtxt*)dict;
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XP_U16 nSpecials = ceCountSpecials( ctxt );
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XP_U16 i;
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if ( !!ctxt->super.chars ) {
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for ( i = 0; i < nSpecials; ++i ) {
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XP_UCHAR* text = ctxt->super.chars[i];
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if ( !!text ) {
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XP_FREE( ctxt->super.mpool, text );
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}
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}
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XP_FREE( ctxt->super.mpool, ctxt->super.chars );
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}
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if ( !!ctxt->super.bitmaps ) {
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for ( i = 0; i < nSpecials; ++i ) {
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HBITMAP bitmap = (HBITMAP)ctxt->super.bitmaps[i].largeBM;
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if ( !!bitmap ) {
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DeleteObject( bitmap );
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}
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bitmap = (HBITMAP)ctxt->super.bitmaps[i].smallBM;
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if ( !!bitmap ) {
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DeleteObject( bitmap );
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}
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}
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XP_FREE( ctxt->super.mpool, ctxt->super.bitmaps );
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}
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XP_FREE( ctxt->super.mpool, ctxt->super.faces16 );
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UnmapViewOfFile( ctxt->mappedBase );
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CloseHandle( ctxt->mappedFile );
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XP_FREE( ctxt->super.mpool, ctxt );
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} // ce_dict_destroy
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static XP_UCHAR*
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ce_dict_getShortName( DictionaryCtxt* dict )
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{
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XP_UCHAR* name = dict_getName( dict );
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return bname( name );
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} /* ce_dict_getShortName */
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XP_Bool
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ce_pickDictFile( CEAppGlobals* globals, XP_UCHAR* buf, XP_U16 bufLen )
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{
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XP_Bool result = XP_FALSE;
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wchar_t nameBuf[256];
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OPENFILENAME openFileStruct;
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XP_MEMSET( &openFileStruct, 0, sizeof(openFileStruct) );
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XP_MEMSET( nameBuf, 0, sizeof(nameBuf) );
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openFileStruct.lStructSize = sizeof(openFileStruct);
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openFileStruct.hwndOwner = globals->hWnd;
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openFileStruct.lpstrFilter = L"Crosswords dictionaries" L"\0"
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L"*.xwd" L"\0\0";
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openFileStruct.Flags = OFN_FILEMUSTEXIST
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| OFN_HIDEREADONLY
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| OFN_PATHMUSTEXIST;
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openFileStruct.lpstrFile = nameBuf;
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openFileStruct.nMaxFile = sizeof(nameBuf)/sizeof(nameBuf[0]);
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if ( GetOpenFileName( &openFileStruct ) ) {
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XP_U16 len;
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XP_UCHAR multiBuf[256];
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len = WideCharToMultiByte( CP_ACP, 0, nameBuf, wcslen(nameBuf),
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multiBuf,
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sizeof(multiBuf), NULL, NULL );
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if ( len > 0 && len < bufLen ) {
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multiBuf[len] = '\0';
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len = (XP_U16)XP_STRLEN( multiBuf );
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XP_MEMCPY( buf, multiBuf, len );
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buf[len] = '\0';
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result = XP_TRUE;
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}
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}
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return result;
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} /* ce_pickDictFile */
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static XP_U8*
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openMappedFile( wchar_t* name, HANDLE* mappedFileP, HANDLE* hFileP )
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{
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XP_U8* ptr = NULL;
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HANDLE mappedFile = NULL;
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HANDLE hFile;
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hFile = CreateFileForMapping( name,
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GENERIC_READ,
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FILE_SHARE_READ, /* (was 0: no sharing) */
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NULL, /* security */
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OPEN_EXISTING,
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FILE_FLAG_RANDOM_ACCESS,
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NULL );
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if ( hFile == INVALID_HANDLE_VALUE ) {
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XP_DEBUGF( "open file failed: %ld", GetLastError() );
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} else {
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HANDLE mappedFile;
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XP_DEBUGF( "open file succeeded!!!!" );
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mappedFile = CreateFileMapping( hFile,
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NULL,
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PAGE_READONLY,
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0,
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0,
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NULL );
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if ( mappedFile != INVALID_HANDLE_VALUE ) {
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void* mappedBase = MapViewOfFile( mappedFile,
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FILE_MAP_READ,
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0, 0, 0 );
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ptr = (XP_U8*)mappedBase;
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*mappedFileP = mappedFile;
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*hFileP = hFile;
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}
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}
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return ptr;
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} /* openMappedFile */
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static XP_Bool
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checkIfDictAndLegal( wchar_t* path, XP_U16 pathLen, WIN32_FIND_DATA* data )
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{
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XP_Bool result = XP_FALSE;
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wchar_t* name = data->cFileName;
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XP_U16 len;
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len = wcslen(name);
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/* are the last four bytes ".xwd"? */
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if ( 0 == lstrcmp( name + len - 4, L".xwd" ) ) {
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XP_U16 flags;
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HANDLE mappedFile, hFile;
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XP_U8* base;
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wchar_t pathBuf[257];
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#ifdef DEBUG
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|
{
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char narrowName[32];
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int len = wcslen( name );
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len = WideCharToMultiByte( CP_ACP, 0, name, len + 1,
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narrowName, len + 1, NULL, NULL );
|
|
XP_LOGF( "%s ends in .xwd", narrowName );
|
|
}
|
|
#endif
|
|
wcscpy( pathBuf, path );
|
|
pathBuf[pathLen] = 0;
|
|
wcscat( pathBuf, name );
|
|
|
|
base = openMappedFile( pathBuf, &mappedFile, &hFile );
|
|
if ( !!base ) {
|
|
XP_U8* ptr = base;
|
|
|
|
flags = n_ptr_tohs( &ptr );
|
|
XP_LOGF( "checkIfDictAndLegal: flags=0x%x", flags );
|
|
UnmapViewOfFile( base );
|
|
CloseHandle( mappedFile );
|
|
|
|
#ifdef NODE_CAN_4
|
|
/* are the flags what we expect */
|
|
result = flags == 0x0002 || flags == 0x0003;
|
|
#else
|
|
result = flags == 0x0001;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return result;
|
|
} /* checkIfDictAndLegal */
|
|
|
|
static XP_Bool
|
|
locateOneDir( wchar_t* path, XP_U16* which )
|
|
{
|
|
WIN32_FIND_DATA data;
|
|
HANDLE fileH;
|
|
XP_Bool result = XP_FALSE;
|
|
XP_U16 startLen;
|
|
|
|
lstrcat( path, L"\\" );
|
|
startLen = wcslen(path); /* record where we were so can back up */
|
|
lstrcat( path, L"*" );
|
|
|
|
XP_MEMSET( &data, 0, sizeof(data) );
|
|
|
|
/* Looks like I need to look at every file. If it's a directory I search
|
|
it recursively. If it's an .xwd file I check whether it's got the
|
|
right flags and if so I return its name. */
|
|
|
|
fileH = FindFirstFile( path, &data );
|
|
|
|
if ( fileH != INVALID_HANDLE_VALUE ) {
|
|
for ( ; ; ) {
|
|
|
|
if ( (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0 ) {
|
|
lstrcpy( path+startLen, data.cFileName );
|
|
result = locateOneDir( path, which );
|
|
if ( result ) {
|
|
break;
|
|
}
|
|
path[startLen] = 0;
|
|
} else if ( checkIfDictAndLegal( path, startLen, &data )
|
|
&& (*which-- == 0)) {
|
|
/* we're done! */
|
|
lstrcpy( path+startLen, data.cFileName );
|
|
result = XP_TRUE;
|
|
break;
|
|
}
|
|
|
|
if ( !FindNextFile( fileH, &data ) ) {
|
|
XP_ASSERT( GetLastError() == ERROR_NO_MORE_FILES );
|
|
break;
|
|
}
|
|
}
|
|
|
|
(void)FindClose( fileH );
|
|
}
|
|
|
|
return result;
|
|
} /* locateOneDir */
|
|
|
|
XP_UCHAR*
|
|
ceLocateNthDict( MPFORMAL XP_U16 which )
|
|
{
|
|
wchar_t pathBuf[257];
|
|
XP_UCHAR* result = NULL;
|
|
|
|
pathBuf[0] = 0;
|
|
|
|
if ( locateOneDir( pathBuf, &which ) ) {
|
|
XP_U16 len = wcslen( pathBuf );
|
|
result = XP_MALLOC( mpool, len + 1 );
|
|
len = WideCharToMultiByte( CP_ACP, 0, pathBuf, len + 1,
|
|
result, len + 1, NULL, NULL );
|
|
}
|
|
return result;
|
|
} /* ceLocateNthDict */
|
|
|
|
static XP_U32
|
|
n_ptr_tohl( XP_U8** inp )
|
|
{
|
|
XP_U32 t;
|
|
XP_MEMCPY( &t, *inp, sizeof(t) );
|
|
|
|
*inp += sizeof(t);
|
|
|
|
return XP_NTOHL(t);
|
|
} /* n_ptr_tohl */
|
|
|
|
static XP_U16
|
|
n_ptr_tohs( XP_U8** inp )
|
|
{
|
|
XP_U16 t;
|
|
XP_MEMCPY( &t, *inp, sizeof(t) );
|
|
|
|
*inp += sizeof(t);
|
|
|
|
return XP_NTOHS(t);
|
|
} /* n_ptr_tohs */
|
|
|
|
XP_UCHAR*
|
|
bname( XP_UCHAR* in )
|
|
{
|
|
XP_U16 len = (XP_U16)XP_STRLEN(in);
|
|
XP_UCHAR* out = in + len - 1;
|
|
|
|
while ( *out != '\\' && out >= in ) {
|
|
--out;
|
|
}
|
|
return out + 1;
|
|
} /* bname */
|
|
|
|
#endif /* ifndef STUBBED_DICT */
|