char *wbFile_readLine(wbFile_t file) {
if (file == NULL) {
return NULL;
}
#ifdef LAZY_FILE_LOAD
FILE *handle;
memset(buffer, 0, MAX_CHARS_PER_LINE);
handle = wbFile_getFileHandle(file);
if (fgets(buffer, MAX_CHARS_PER_LINE - 1, handle)) {
return buffer;
} else {
//wbLog(ERROR, "Was not able to read line from ", wbFile_getFileName(file));
return NULL;
}
#else
size_t newOffset;
size_t lenToNewLine = 0;
const char *tmp;
if (wbFile_getData(file) == NULL) {
wbFile_setData(file, wbFile_read(file));
fclose(wbFile_getFileHandle(file));
wbFile_setFileHandle(file, NULL);
wbFile_setDataOffset(file, 0);
wbFile_setLength(file, strlen(wbFile_getData(file)));
}
memset(buffer, 0, MAX_CHARS_PER_LINE);
if (wbFile_getDataOffset(file) >= wbFile_getLength(file)) {
return NULL;
}
newOffset = wbFile_getDataOffset(file);
tmp = wbFile_getData(file) + wbFile_getDataOffset(file);
while (newOffset < wbFile_getLength(file) && *tmp != '\n') {
tmp++;
lenToNewLine++;
newOffset++;
}
memcpy(buffer, wbFile_getData(file) + wbFile_getDataOffset(file),
lenToNewLine);
wbFile_setDataOffset(file, newOffset + 1);
return buffer;
#endif
}
wbFile_t wbFile_new(void) {
int idx = wbFile_nextIndex();
wbFile_t file = wbNew(struct st_wbFile_t);
wbAssert(idx >= 0);
wbFile_setIndex(file, idx);
wbFile_setFileName(file, NULL);
wbFile_setMode(file, NULL);
wbFile_setFileHandle(file, NULL);
wbFile_setData(file, NULL);
wbFile_handles[idx] = file;
return file;
}
wbFile_t wbFile_open(const char * fileName, const char * mode) {
FILE * handle;
wbFile_t file;
if (fileName == NULL) {
return NULL;
}
handle = fopen(fileName, mode);
if (handle == NULL) {
wbLog(ERROR, "Failed to open ", file, " in mode ", mode);
return NULL;
}
file = wbFile_new();
wbFile_setFileName(file, wbString_duplicate(fileName));
wbFile_setMode(file, wbString_duplicate(mode));
wbFile_setFileHandle(file, handle);
return file;
}
