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
}
}
}
}
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);
it->charIdx = startIdx;
it->varIndex = 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->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
}
}
}
it->varIndex = startIdx - it->charIdx;
}
void jsvIteratorNew(JsvIterator *it, JsVar *obj) {
if (jsvIsArray(obj) || jsvIsObject(obj) || jsvIsFunction(obj)) {
it->type = JSVI_OBJECT;
jsvObjectIteratorNew(&it->it.obj, obj);
} else if (jsvIsArrayBuffer(obj)) {
it->type = JSVI_ARRAYBUFFER;
jsvArrayBufferIteratorNew(&it->it.buf, obj, 0);
} else if (jsvHasCharacterData(obj)) {
it->type = JSVI_STRING;
jsvStringIteratorNew(&it->it.str, obj, 0);
} else assert(0);
}
void jsvIteratorNew(JsvIterator *it, JsVar *obj, JsvIteratorFlags flags) {
if (jsvIsArray(obj) || jsvIsObject(obj) || jsvIsFunction(obj) || jsvIsGetterOrSetter(obj)) {
it->type = JSVI_OBJECT;
if (jsvIsArray(obj) && (flags&JSIF_EVERY_ARRAY_ELEMENT)) {
it->type = JSVI_FULLARRAY;
it->it.obj.index = 0;
it->it.obj.var = jsvLockAgain(obj);
}
jsvObjectIteratorNew(&it->it.obj.it, obj);
} else if (jsvIsArrayBuffer(obj)) {
it->type = JSVI_ARRAYBUFFER;
jsvArrayBufferIteratorNew(&it->it.buf, obj, 0);
} else if (jsvHasCharacterData(obj)) {
it->type = JSVI_STRING;
jsvStringIteratorNew(&it->it.str, obj, 0);
} else assert(0);
}
