void __fastcall fileMgr_stream_setSeek(void *object, sint32 seek, bool relative)
{
file_t *file = (file_t*)object;
if( relative )
fileMgr_skipData(file, seek);
else
fileMgr_setSeek(file, seek);
}
bool sData_nextCategory(sData_t *sData)
{
if( sData->categoryName )
{
free(sData->categoryName);
sData->categoryName = NULL;
}
fileMgr_setSeek(sData->file, sData->categoryDataOffset);
char *line = fileMgr_readLine(sData->file);
while( line )
{
// todo: trim left
if( line[0] == '[' )
{
// category beginns
sData->categoryDataOffset = fileMgr_getSeek(sData->file);
int catLen = min(1024, strlen(line)+1);
sData->categoryName = (char*)malloc(catLen);
// copy name
for(int i=0; i<1023; i++) // 1kb is the name length limit
{
sData->categoryName[i] = line[i+1];
if( sData->categoryName[i] == ']' )
{
sData->categoryName[i] = '\0';
break;
}
if( line[i+1] == '\0' )
break;
}
sData->categoryName[catLen-1] = '\0';
free(line);
_sData_preloadCategory(sData);
return true;
}
// free line and get next
free(line);
line = fileMgr_readLine(sData->file);
}
return false;
}
void _sData_preloadCategory(sData_t *sData)
{
// release data
if( sData->optionLine )
{
for(int i=0; i<sData->optionLineCount; i++)
{
if( sData->optionLine[i].optionName )
free(sData->optionLine[i].optionName);
if( sData->optionLine[i].optionData )
free(sData->optionLine[i].optionData);
}
free(sData->optionLine);
}
// count lines
fileMgr_setSeek(sData->file, sData->categoryDataOffset);
char *line = fileMgr_readLine(sData->file);
int lineCount = 0;
while( line )
{
// todo: trim left
if( line[0] == '[' )
{
break;
}
char *x = line;
// skip whitespaces
while( *x )
{
if( *x != sData_whitespaceList[0] && *x != sData_whitespaceList[1] )
break;
x++;
}
// data lines must start with a letter
if( (*x >= 'a' && *x <= 'z') || (*x >= 'A' && *x <= 'Z') )
lineCount++;
// free line and get next
free(line);
line = fileMgr_readLine(sData->file);
}
// allocate space for lines
sData->optionLineCount = lineCount;
if( lineCount == 0 )
{
sData->optionLine = NULL;
return;
}
sData->optionLine = (sData_optionLine_t*)malloc(sizeof(sData_optionLine_t) * lineCount);
// read all data lines
lineCount = 0;
fileMgr_setSeek(sData->file, sData->categoryDataOffset);
line = fileMgr_readLine(sData->file);
lineCount = 0;
while( line )
{
// todo: trim left
if( line[0] == '[' )
{
break;
}
char *x = line;
// skip whitespaces
while( *x )
{
if( *x != sData_whitespaceList[0] && *x != sData_whitespaceList[1] )
break;
x++;
}
// data lines must start with a letter
if( (*x >= 'a' && *x <= 'z') || (*x >= 'A' && *x <= 'Z') )
{
int splitIdx = -1;
int tLen = strlen(x);
// find '='
for(int i=0; i<tLen; i++)
{
if( x[i] == '=' )
{
splitIdx = i;
break;
}
}
if( splitIdx == -1 )
{
// only name set...
// cover with empty data string
sData->optionLine[lineCount].optionName = (char*)malloc(tLen+1);
for(int p=0; p<tLen; p++)
sData->optionLine[lineCount].optionName[p] = x[p];
sData->optionLine[lineCount].optionName[tLen] = '\0';
sData->optionLine[lineCount].optionData = (char*)malloc(1);
sData->optionLine[lineCount].optionData[0] = '\0';
}
else
{
// name
sData->optionLine[lineCount].optionName = (char*)malloc(splitIdx+1);
for(int p=0; p<splitIdx; p++)
sData->optionLine[lineCount].optionName[p] = x[p];
sData->optionLine[lineCount].optionName[splitIdx] = '\0';
// skip '='
splitIdx++;
// data - but skip whitespaces first
int whiteSpaceCount = 0;
for(int i=0; i<tLen-splitIdx; i++)
{
if( x[i+splitIdx] != ' ' && x[i+splitIdx] != '\t' )
break;
whiteSpaceCount++;
}
sData->optionLine[lineCount].optionData = (char*)malloc(tLen-whiteSpaceCount-splitIdx+1);
for(int p=0; p<(tLen-splitIdx-whiteSpaceCount); p++)
sData->optionLine[lineCount].optionData[p] = x[p+splitIdx+whiteSpaceCount];
sData->optionLine[lineCount].optionData[tLen-splitIdx-whiteSpaceCount] = '\0';
}
// cut whitespaces from the name
int nameLen = strlen(sData->optionLine[lineCount].optionName);
for(int i=nameLen-1; i>0; i--)
{
if( sData->optionLine[lineCount].optionName[i] != sData_whitespaceList[0] && sData->optionLine[lineCount].optionName[i] != sData_whitespaceList[1] )
break;
sData->optionLine[lineCount].optionName[i] = '\0';
}
lineCount++;
}
// free line and get next
free(line);
line = fileMgr_readLine(sData->file);
}
}
