2012-06-27 22:44:50 -05:00
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/*
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FileHandler - General-purpose file handling library for Niotso
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rsmp.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
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Author(s): Fatbag <X-Fi6@phppoll.org>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "iffparser.h"
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int iff_parse_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer){
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IFFResourceMap *Map;
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bytestream b;
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unsigned i;
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if(ChunkInfo->Size < 20)
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return 0;
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set_bytestream(&b, Buffer, ChunkInfo->Size);
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ChunkInfo->FormattedData = calloc(1, sizeof(IFFResourceMap));
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if(ChunkInfo->FormattedData == NULL)
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return 0;
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Map = ChunkInfo->FormattedData;
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Map->Reserved = read_uint32(&b);
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Map->Version = read_uint32(&b);
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memcpy(Map->MagicNumber, b.Buffer, 4);
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skipbytes(&b, 4);
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Map->IFFSize = read_uint32(&b);
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Map->TypeCount = read_uint32(&b);
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if(Map->Reserved != 0 || Map->Version > 1)
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return 0;
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Map->ResourceTypes = calloc(Map->TypeCount, sizeof(IFFResourceType));
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if(Map->ResourceTypes == NULL)
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return 0;
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for(i=0; i<Map->TypeCount; i++){
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IFFResourceType * Type = &Map->ResourceTypes[i];
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unsigned j;
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if(b.Size < 8) return 0;
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memcpy(Type->Type, b.Buffer, 4);
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skipbytes(&b, 4);
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Type->ResourceCount = read_uint32(&b);
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Type->Resources = calloc(Type->ResourceCount, sizeof(IFFResource));
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if(Type->Resources == NULL)
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return 0;
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for(j=0; j<Type->ResourceCount; j++){
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IFFResource * Resource = &Type->Resources[j];
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if(b.Size < ((Map->Version == 0) ? 9 : 11)) return 0;
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Resource->Offset = read_uint32(&b);
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Resource->ChunkID = (Map->Version == 0) ? read_uint16(&b) : read_uint32(&b);
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Resource->Flags = read_uint16(&b);
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if(Map->Version == 0){
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if(!read_c_string(&b, &Resource->Label))
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return 0;
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}else{
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if(!read_pascal_string(&b, &Resource->Label))
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return 0;
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}
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}
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}
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return 1;
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}
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void iff_free_rsmp(void * FormattedData){
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IFFResourceMap * Map = FormattedData;
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if(Map->ResourceTypes){
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unsigned t;
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for(t=0; t<Map->TypeCount; t++){
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IFFResourceType * Type = &Map->ResourceTypes[t];
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if(Type->Resources){
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unsigned r;
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for(r=0; r<Type->ResourceCount; r++)
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free(Type->Resources[r].Label);
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free(Type->Resources);
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}
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}
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free(Map->ResourceTypes);
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}
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2012-04-29 00:44:41 -05:00
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}
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