void jsvStringIteratorNew(JsvStringIterator *it, JsVar *str, size_t startIdx) {
assert(jsvHasCharacterData(str));
it->var = jsvLockAgain(str);
it->varIndex = 0;
it->charsInVar = jsvGetCharactersInVar(str);
it->charIdx = startIdx;
if (jsvIsFlatString(str)) {
it->ptr = jsvGetFlatStringPointer(it->var);
} else if (jsvIsNativeString(str)) {
it->ptr = (char*)it->var->varData.nativeStr.ptr;
} else{
it->ptr = &it->var->varData.str[0];
}
while (it->charIdx>0 && it->charIdx >= it->charsInVar) {
it->charIdx -= it->charsInVar;
it->varIndex += it->charsInVar;
if (it->var) {
if (jsvGetLastChild(it->var)) {
JsVar *next = jsvLock(jsvGetLastChild(it->var));
jsvUnLock(it->var);
it->var = next;
it->ptr = &next->varData.str[0];
it->charsInVar = jsvGetCharactersInVar(it->var);
} else {
jsvUnLock(it->var);
it->var = 0;
it->ptr = 0;
it->charsInVar = 0;
it->varIndex = startIdx - it->charIdx;
return; // at end of string - get out of loop
}
}
}
}
void jsvStringIteratorNew(JsvStringIterator *it, JsVar *str, size_t startIdx) {
assert(jsvHasCharacterData(str));
it->var = jsvLockAgain(str);
it->charsInVar = jsvGetCharactersInVar(str);
if (jsvIsFlatString(str)) {
/* Flat strings use the first var to store the size, and subsequent vars
to store the actual data, so we tweak charIdx to handle this */
it->varIndex = -sizeof(JsVar);
it->charsInVar += sizeof(JsVar);
it->charIdx = sizeof(JsVar)+startIdx;
} else {
it->varIndex = 0;
it->charIdx = startIdx;
}
while (it->charIdx>0 && it->charIdx >= it->charsInVar) {
it->charIdx -= it->charsInVar;
it->varIndex += it->charsInVar;
if (it->var) {
if (jsvGetLastChild(it->var)) {
JsVar *next = jsvLock(jsvGetLastChild(it->var));
jsvUnLock(it->var);
it->var = next;
it->charsInVar = jsvGetCharactersInVar(it->var);
} else {
jsvUnLock(it->var);
it->var = 0;
it->charsInVar = 0;
it->varIndex = startIdx - it->charIdx;
return; // at end of string - get out of loop
}
}
}
}
static bool fileGetFromVar(JsFile *file, JsVar *parent) {
bool ret = false;
JsVar *fHandle = jsvObjectGetChild(parent, JS_FS_DATA_NAME, 0);
if (fHandle && jsvIsFlatString(fHandle)) {
file->data = (JsFileData*)jsvGetFlatStringPointer(fHandle);
file->fileVar = parent;
if(file->data->state == FS_OPEN) {// return false if the file has been closed.
ret = true;
}
}
jsvUnLock(fHandle);
return ret;
}
