mirror of
https://github.com/simtactics/niotso.git
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1f7061d98a
* Added SPR# parsing to the iff library * iff2html now displays BMP_/FBMP, PALT, and SPR# chunks
278 lines
No EOL
9.2 KiB
C
278 lines
No EOL
9.2 KiB
C
/*
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FileHandler - General-purpose file handling library for Niotso
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str.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
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Author(s): Fatbag <X-Fi6@phppoll.org>
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Ahmed El-Mahdawy <aa.mahdawy.10@gmail.com>
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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 "iff.h"
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int iff_parse_str(IFFChunk * ChunkInfo, const uint8_t * Buffer){
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IFFString * StringData;
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unsigned Size = ChunkInfo->Size - 76;
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if(Size < 2)
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return 0;
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ChunkInfo->FormattedData = calloc(1, sizeof(IFFString));
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if(ChunkInfo->FormattedData == NULL)
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return 0;
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StringData = ChunkInfo->FormattedData;
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StringData->Format = read_int16le(Buffer);
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if((Size-=2) < 2) /* TSO allows this; as seen in the animations chunk in personglobals.iff */
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return 1;
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Buffer += 2;
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switch(StringData->Format){
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case 0: { /* 00 00 */
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unsigned i;
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IFFLanguageSet * LanguageSet = &StringData->LanguageSets[0];
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LanguageSet->PairCount = read_uint16le(Buffer);
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Buffer += 2; Size -= 2;
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if(LanguageSet->PairCount == 0)
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return 1;
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LanguageSet->Pairs = calloc(LanguageSet->PairCount, sizeof(IFFStringPair));
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if(LanguageSet->Pairs == NULL)
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return 0;
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for(i=0; i<LanguageSet->PairCount; i++){
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unsigned length;
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if(Size == 0) return 0;
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length = read_uint8le(Buffer);
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Buffer++; Size--;
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if(length != 0){
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if(length > Size) return 0;
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LanguageSet->Pairs[i].Key = malloc(length+1);
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if(LanguageSet->Pairs[i].Key == NULL) return 0;
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memcpy(LanguageSet->Pairs[i].Key, Buffer, length);
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LanguageSet->Pairs[i].Key[length] = 0x00;
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Buffer += length;
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Size -= length;
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}
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}
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} return 1;
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case -1: { /* FF FF */
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unsigned i;
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IFFLanguageSet * LanguageSet = &StringData->LanguageSets[0];
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LanguageSet->PairCount = read_uint16le(Buffer);
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Buffer += 2; Size -= 2;
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if(LanguageSet->PairCount == 0)
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return 1;
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LanguageSet->Pairs = calloc(LanguageSet->PairCount, sizeof(IFFStringPair));
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if(LanguageSet->Pairs == NULL)
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return 0;
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for(i=0; i<LanguageSet->PairCount; i++){
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unsigned length;
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for(length=0; length != Size && Buffer[length]; length++);
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if(length == Size) return 0;
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if(length != 0){
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LanguageSet->Pairs[i].Key = malloc(length+1);
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if(LanguageSet->Pairs[i].Key == NULL) return 0;
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strcpy(LanguageSet->Pairs[i].Key, (char*) Buffer);
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Buffer += length;
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Size -= length;
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}
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Buffer++; Size--;
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}
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} return 1;
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case -2: { /* FE FF */
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unsigned i;
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IFFLanguageSet * LanguageSet = &StringData->LanguageSets[0];
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LanguageSet->PairCount = read_uint16le(Buffer);
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Buffer += 2; Size -= 2;
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if(LanguageSet->PairCount == 0)
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return 1;
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LanguageSet->Pairs = calloc(LanguageSet->PairCount, sizeof(IFFStringPair));
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if(LanguageSet->Pairs == NULL)
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return 0;
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for(i=0; i<LanguageSet->PairCount; i++){
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int s;
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for(s=0; s<2; s++){
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unsigned length;
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for(length=0; length != Size && Buffer[length]; length++);
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if(length == Size) return 0;
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if(length != 0){
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char ** string = (s==0) ? &LanguageSet->Pairs[i].Key : &LanguageSet->Pairs[i].Value;
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*string = malloc(length+1);
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if(*string == NULL) return 0;
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strcpy(*string, (char*) Buffer);
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Buffer += length;
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Size -= length;
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}
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Buffer++; Size--;
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}
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}
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} return 1;
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case -3: { /* FD FF */
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IFFLanguageSet * LanguageSet = StringData->LanguageSets;
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unsigned i;
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unsigned TotalPairCount = read_uint16le(Buffer);
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unsigned Index[20] = {0};
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const uint8_t * Start = (Buffer += 2);
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Size -= 2;
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if(TotalPairCount == 0)
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return 1;
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/*
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** Scan through the chunk to count up the number of strings in each LanguageSet,
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** and then allocate exactly that much and fill in the data on the second pass
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*/
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/* 1st pass */
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for(i=0; i<TotalPairCount; i++){
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unsigned lang, s;
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if(Size == 0) return 0;
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lang = read_uint8le(Buffer) - 1;
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if(lang >= 20) return 0;
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LanguageSet[lang].PairCount++;
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Buffer++; Size--;
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for(s=0; s<2; s++){
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/* Includes the string length check too */
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unsigned length;
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for(length=0; length != Size && Buffer[length]; length++);
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if(length == Size) return 0;
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Buffer += length+1;
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Size -= length+1;
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}
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}
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for(i=0; i<20; i++){
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LanguageSet[i].Pairs = calloc(LanguageSet[i].PairCount, sizeof(IFFStringPair));
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if(LanguageSet[i].Pairs == NULL) return 0;
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}
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/* 2nd pass */
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Buffer = Start;
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for(i=0; i<TotalPairCount; i++){
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unsigned lang = read_uint8le(Buffer) - 1, s;
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IFFStringPair * Pair = &LanguageSet[lang].Pairs[Index[lang]++];
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Buffer++;
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for(s=0; s<2; s++){
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unsigned length = strlen((char*) Buffer);
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if(length != 0){
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char ** string = (s==0) ? &Pair->Key : &Pair->Value;
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*string = malloc(length+1);
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if(*string == NULL) return 0;
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strcpy(*string, (char*) Buffer);
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Buffer += length;
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}
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Buffer++;
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}
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}
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} return 1;
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case -4: { /* FC FF */
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unsigned lang;
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unsigned LanguageSetCount = read_uint8le(Buffer);
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Buffer++; Size--;
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if(LanguageSetCount > 20) return 0;
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for(lang=0; lang<LanguageSetCount; lang++){
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unsigned i;
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IFFLanguageSet * LanguageSet = &StringData->LanguageSets[lang];
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if(Size < 2) return 0;
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LanguageSet->PairCount = read_uint16le(Buffer);
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Buffer += 2; Size -= 2;
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if(LanguageSet->PairCount == 0)
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continue;
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LanguageSet->Pairs = calloc(LanguageSet->PairCount, sizeof(IFFStringPair));
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if(LanguageSet->Pairs == NULL)
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return 0;
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for(i=0; i<LanguageSet->PairCount; i++){
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unsigned s;
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if(Size == 0) return 0;
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Buffer++; Size--; /* Skip over the "Language set index" */
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for(s=0; s<2; s++){
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unsigned length;
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if(Size == 0) return 0;
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length = read_uint8le(Buffer);
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Buffer++; Size--;
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if(length > 127){
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if(Size == 0) return 0;
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length = (length&127) | (read_uint8le(Buffer)<<7);
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Buffer++; Size--;
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}
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if(length != 0){
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IFFStringPair * Pair = &LanguageSet->Pairs[i];
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char ** string = (s==0) ? &Pair->Key : &Pair->Value;
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if(length > Size) return 0;
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*string = malloc(length+1);
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if(*string == NULL) return 0;
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memcpy(*string, Buffer, length);
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(*string)[length] = 0x00;
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Buffer += length;
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Size -= length;
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}
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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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return 0;
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}
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void iff_free_str(void * FormattedData){
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/*
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** Requirements:
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** - PairCount and Pairs must be initialized for all 20 LanguageSets
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** - If the Pairs pointer is nonzero, there must be PairCount initialized pairs in Pairs
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*/
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IFFString * StringData = FormattedData;
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unsigned ls;
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for(ls=0; ls<20; ls++){
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IFFLanguageSet * LanguageSet = &StringData->LanguageSets[ls];
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if(LanguageSet->Pairs){
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unsigned p;
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for(p=0; p<LanguageSet->PairCount; p++){
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free(LanguageSet->Pairs[p].Key);
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free(LanguageSet->Pairs[p].Value);
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}
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free(LanguageSet->Pairs);
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}
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}
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} |