void fxSerializeJSONOwnProperty(txMachine* the, txSlot* theContext, txID id, txIndex index, txSlot* theProperty)
{
txJSONSerializer* theSerializer = theContext->value.regexp.code;
txInteger* theFlag = theContext->value.regexp.offsets;
if (id) {
txSlot* key = fxGetKey(the, id);
if (key && (key->flag & XS_DONT_ENUM_FLAG)) {
if (key->kind == XS_KEY_KIND) {
mxPushSlot(theProperty);
mxPushString(key->value.key.string);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
else {
mxPushSlot(theProperty);
mxPushStringX(key->value.key.string);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
}
}
else {
mxPushSlot(theProperty);
mxPushInteger((txInteger)index);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
}
void fxSerializeJSON(txMachine* the, txJSONSerializer* theSerializer)
{
txSlot* aSlot;
txInteger aFlag;
aSlot = fxGetInstance(the, mxThis);
theSerializer->offset = 0;
theSerializer->size = 1024;
theSerializer->buffer = c_malloc(1024);
if (!theSerializer->buffer)
mxUnknownError("out of memory");
if (mxArgc > 1) {
aSlot = mxArgv(1);
if (mxIsReference(aSlot)) {
aSlot = fxGetInstance(the, aSlot);
if (mxIsFunction(aSlot))
theSerializer->replacer = mxArgv(1);
else if (mxIsArray(aSlot))
mxSyntaxError("not yet implememented");
}
}
if (mxArgc > 2) {
aSlot = mxArgv(2);
if (mxIsReference(aSlot)) {
aSlot = fxGetInstance(the, aSlot);
if (mxIsNumber(aSlot) || mxIsString(aSlot))
aSlot = aSlot->next;
}
if ((aSlot->kind == XS_INTEGER_KIND) || (aSlot->kind == XS_NUMBER_KIND)) {
txInteger aCount = fxToInteger(the, aSlot), anIndex;
if (aCount < 0)
aCount = 0;
else if (aCount > 10)
aCount = 10;
for (anIndex = 0; anIndex < aCount; anIndex++)
theSerializer->indent[anIndex] = ' ';
}
else if (mxIsStringPrimitive(aSlot))
c_strncpy((char *)theSerializer->indent, aSlot->value.string, 10);
}
theSerializer->stack = the->stack;
mxPush(mxObjectPrototype);
fxNewObjectInstance(the);
aFlag = 0;
if (mxArgc > 0)
mxPushSlot(mxArgv(0));
else
mxPushUndefined();
mxPush(mxEmptyString);
fxSerializeJSONProperty(the, theSerializer, &aFlag);
the->stack++;
}
void fxSerializeJSONProperty(txMachine* the, txJSONSerializer* theSerializer, txFlag* theFlag)
{
txSlot* aWrapper = the->stack + 2;
txSlot* aValue = the->stack + 1;
txSlot* aKey = the->stack;
txSlot* anInstance;
txSlot* aProperty;
txFlag aFlag;
txIndex aLength, anIndex;
txFlag aMask;
if (mxIsReference(aValue)) {
anInstance = fxGetInstance(the, aValue);
if (anInstance->flag & XS_LEVEL_FLAG)
fxSerializeJSONError(the, theSerializer, XS_TYPE_ERROR);
aProperty = fxGetProperty(the, anInstance, the->toJSONID);
if (aProperty && mxIsReference(aProperty) && mxIsFunction(fxGetInstance(the, aProperty))) {
*(--the->stack) = *aKey;
mxInitSlot(--the->stack, XS_INTEGER_KIND);
the->stack->value.integer = 1;
/* THIS */
*(--the->stack) = *aValue;
/* FUNCTION */
*(--the->stack) = *aProperty;
/* RESULT */
mxZeroSlot(--the->stack);
fxRunID(the, the->toJSONID);
*aValue = *(the->stack++);
}
}
else
anInstance = C_NULL;
if (theSerializer->replacer) {
*(--the->stack) = *aKey;
*(--the->stack) = *aValue;
mxInitSlot(--the->stack, XS_INTEGER_KIND);
the->stack->value.integer = 2;
/* THIS */
*(--the->stack) = *aWrapper;
/* FUNCTION */
*(--the->stack) = *theSerializer->replacer;
/* RESULT */
mxZeroSlot(--the->stack);
fxRunID(the, XS_NO_ID);
*aValue = *(the->stack++);
}
again:
switch (aValue->kind) {
case XS_NULL_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONChars(the, theSerializer, "null");
break;
case XS_BOOLEAN_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONChars(the, theSerializer, aValue->value.boolean ? "true" : "false");
break;
case XS_INTEGER_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONInteger(the, theSerializer, aValue->value.integer);
break;
case XS_NUMBER_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONNumber(the, theSerializer, aValue->value.number);
break;
case XS_STRING_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONString(the, theSerializer, aValue->value.string);
break;
case XS_ARRAY_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
anInstance->flag |= XS_LEVEL_FLAG;
fxSerializeJSONChar(the, theSerializer, '[');
theSerializer->level++;
fxSerializeJSONIndent(the, theSerializer);
aFlag = 4;
aLength = aValue->value.array.length;
for (anIndex = 0; anIndex < aLength; anIndex++) {
aProperty = aValue->value.array.address + anIndex;
mxInitSlot(--the->stack, aProperty->kind);
the->stack->value = aProperty->value;
mxInitSlot(--the->stack, XS_INTEGER_KIND);
the->stack->value.integer = anIndex;
fxSerializeJSONProperty(the, theSerializer, &aFlag);
}
theSerializer->level--;
fxSerializeJSONIndent(the, theSerializer);
fxSerializeJSONChar(the, theSerializer, ']');
anInstance->flag &= ~XS_LEVEL_FLAG;
break;
case XS_REFERENCE_KIND:
case XS_ALIAS_KIND:
anInstance = fxGetInstance(the, aValue);
if (anInstance->flag & XS_VALUE_FLAG) {
aValue = anInstance->next;
goto again;
}
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONChar(the, theSerializer, '{');
theSerializer->level++;
fxSerializeJSONIndent(the, theSerializer);
aFlag = 2;
if ((the->frame->flag & XS_SANDBOX_FLAG) || (anInstance->flag & XS_SANDBOX_FLAG)) {
if (anInstance->flag & XS_SANDBOX_FLAG)
anInstance = anInstance->value.instance.prototype;
aMask = XS_DONT_ENUM_FLAG | XS_DONT_SCRIPT_FLAG;
}
else
aMask = XS_DONT_ENUM_FLAG | XS_SANDBOX_FLAG;
anInstance->flag |= XS_LEVEL_FLAG;
aProperty = anInstance->next;
while (aProperty) {
if (!(aProperty->flag & aMask)) {
txID anID = aProperty->ID;
if (anID != XS_NO_ID) {
mxInitSlot(--the->stack, aProperty->kind);
the->stack->value = aProperty->value;
if (anID < 0) {
txSlot *aSymbol = fxGetSymbol(the, aProperty->ID);
mxInitSlot(--the->stack, XS_STRING_KIND);
the->stack->value.string = aSymbol->value.symbol.string;
}
else {
mxInitSlot(--the->stack, XS_INTEGER_KIND);
the->stack->value.integer = anID;
}
fxSerializeJSONProperty(the, theSerializer, &aFlag);
}
}
aProperty = aProperty->next;
}
theSerializer->level--;
fxSerializeJSONIndent(the, theSerializer);
fxSerializeJSONChar(the, theSerializer, '}');
anInstance->flag &= ~XS_LEVEL_FLAG;
break;
default:
if (*theFlag & 4) {
if (*theFlag & 1) {
fxSerializeJSONChars(the, theSerializer, ",");
fxSerializeJSONIndent(the, theSerializer);
}
else
*theFlag |= 1;
fxSerializeJSONChars(the, theSerializer, "null");
}
break;
}
the->stack++; // POP VALUE
}
void fx_JSON_stringify(txMachine* the)
{
txSlot* aSlot;
volatile txJSONSerializer aSerializer;
txFlag aFlag;
mxTry(the) {
aSlot = fxGetInstance(the, mxThis);
if (aSlot->flag & XS_SANDBOX_FLAG)
the->frame->flag |= XS_SANDBOX_FLAG;
else
the->frame->flag |= the->frame->next->flag & XS_SANDBOX_FLAG;
c_memset((txJSONSerializer*)&aSerializer, 0, sizeof(aSerializer));
aSerializer.offset = 0;
aSerializer.size = 1024;
aSerializer.buffer = c_malloc(1024);
if (!aSerializer.buffer)
fxThrowError(the, XS_RANGE_ERROR);
if (mxArgc > 1) {
aSlot = mxArgv(1);
if (mxIsReference(aSlot)) {
aSlot = fxGetInstance(the, aSlot);
if (mxIsFunction(aSlot))
aSerializer.replacer = mxArgv(1);
else if (mxIsArray(aSlot))
mxDebug0(the, XS_SYNTAX_ERROR, "not yet implememented");
}
}
if (mxArgc > 2) {
aSlot = mxArgv(2);
if (mxIsReference(aSlot)) {
aSlot = fxGetInstance(the, aSlot);
if (mxIsNumber(aSlot) || mxIsString(aSlot))
aSlot = aSlot->next;
}
if ((aSlot->kind == XS_INTEGER_KIND) || (aSlot->kind == XS_NUMBER_KIND)) {
txInteger aCount = fxToInteger(the, aSlot), anIndex;
if (aCount < 0)
aCount = 0;
else if (aCount > 10)
aCount = 10;
for (anIndex = 0; anIndex < aCount; anIndex++)
aSerializer.indent[anIndex] = ' ';
}
else if (aSlot->kind == XS_STRING_KIND)
c_strncpy((char *)aSerializer.indent, aSlot->value.string, 10);
}
aSerializer.stack = the->stack;
*(--the->stack) = mxObjectPrototype;
fxNewObjectInstance(the);
aFlag = 0;
if (mxArgc > 0)
*(--the->stack) = *mxArgv(0);
else
mxZeroSlot(--the->stack);
*(--the->stack) = mxEmptyString;
fxSerializeJSONProperty(the, (txJSONSerializer*)&aSerializer, &aFlag);
the->stack++;
if (aSerializer.offset) {
mxResult->value.string = (txString)fxNewChunk(the, aSerializer.offset + 1);
c_memcpy(mxResult->value.string, aSerializer.buffer, aSerializer.offset);
mxResult->value.string[aSerializer.offset] = 0;
mxResult->kind = XS_STRING_KIND;
}
c_free(aSerializer.buffer);
}
mxCatch(the) {
if (aSerializer.buffer)
c_free(aSerializer.buffer);
fxJump(the);
}
}
void fxSerializeJSONProperty(txMachine* the, txJSONSerializer* theSerializer, txInteger* theFlag)
{
txSlot* aWrapper = the->stack + 2;
txSlot* aValue = the->stack + 1;
txSlot* aKey = the->stack;
txSlot* anInstance;
txSlot* aProperty;
txInteger aFlag;
txIndex aLength, anIndex;
if (mxIsReference(aValue)) {
anInstance = fxGetInstance(the, aValue);
if (anInstance->flag & XS_LEVEL_FLAG)
mxTypeError("cyclic value");
mxPushSlot(aKey);
/* COUNT */
mxPushInteger(1);
/* THIS */
mxPushSlot(aValue);
/* FUNCTION */
mxPushSlot(aValue);
fxGetID(the, mxID(_toJSON));
if (mxIsReference(the->stack) && mxIsFunction(the->stack->value.reference)) {
fxCall(the);
mxPullSlot(aValue);
}
else {
the->stack = aKey;
}
}
else
anInstance = C_NULL;
if (theSerializer->replacer) {
mxPushSlot(aKey);
mxPushSlot(aValue);
/* COUNT */
mxPushInteger(2);
/* THIS */
mxPushSlot(aWrapper);
/* FUNCTION */
mxPushSlot(theSerializer->replacer);
fxCall(the);
mxPullSlot(aValue);
}
again:
switch (aValue->kind) {
case XS_NULL_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONChars(the, theSerializer, "null");
break;
case XS_BOOLEAN_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONChars(the, theSerializer, aValue->value.boolean ? "true" : "false");
break;
case XS_INTEGER_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONInteger(the, theSerializer, aValue->value.integer);
break;
case XS_NUMBER_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONNumber(the, theSerializer, aValue->value.number);
break;
case XS_STRING_KIND:
case XS_STRING_X_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
fxSerializeJSONString(the, theSerializer, aValue->value.string);
break;
case XS_ARRAY_KIND:
fxSerializeJSONName(the, theSerializer, theFlag);
anInstance->flag |= XS_LEVEL_FLAG;
fxSerializeJSONChar(the, theSerializer, '[');
theSerializer->level++;
fxSerializeJSONIndent(the, theSerializer);
aFlag = 4;
aLength = aValue->value.array.length;
for (anIndex = 0; anIndex < aLength; anIndex++) {
aProperty = aValue->value.array.address + anIndex;
mxPushSlot(aProperty);
mxPushInteger(anIndex);
fxSerializeJSONProperty(the, theSerializer, &aFlag);
}
theSerializer->level--;
fxSerializeJSONIndent(the, theSerializer);
fxSerializeJSONChar(the, theSerializer, ']');
anInstance->flag &= ~XS_LEVEL_FLAG;
break;
case XS_REFERENCE_KIND:
anInstance = fxGetInstance(the, aValue);
aValue = anInstance->next;
if (aValue && (aValue->flag & XS_INTERNAL_FLAG) && (aValue->kind != XS_PROXY_KIND)) {
goto again;
}
fxSerializeJSONName(the, theSerializer, theFlag);
anInstance->flag |= XS_LEVEL_FLAG;
if (fxIsArray(the, anInstance)) {
fxSerializeJSONChar(the, theSerializer, '[');
theSerializer->level++;
fxSerializeJSONIndent(the, theSerializer);
aFlag = 4;
mxPushReference(anInstance);
fxGetID(the, mxID(_length));
aLength = fxToInteger(the, the->stack);
mxPop();
for (anIndex = 0; anIndex < aLength; anIndex++) {
mxPushReference(anInstance);
fxGetID(the, anIndex);
mxPushInteger(anIndex);
fxSerializeJSONProperty(the, theSerializer, &aFlag);
}
theSerializer->level--;
fxSerializeJSONIndent(the, theSerializer);
fxSerializeJSONChar(the, theSerializer, ']');
}
else {
fxSerializeJSONChar(the, theSerializer, '{');
theSerializer->level++;
fxSerializeJSONIndent(the, theSerializer);
aFlag = 2;
{
txSlot aContext;
aContext.value.regexp.code = theSerializer;
aContext.value.regexp.offsets = &aFlag;
fxEachInstanceProperty(the, anInstance, XS_EACH_ENUMERABLE_FLAG | XS_EACH_STRING_FLAG | XS_STEP_GET_FLAG, fxSerializeJSONOwnProperty, &aContext, anInstance);
}
theSerializer->level--;
fxSerializeJSONIndent(the, theSerializer);
fxSerializeJSONChar(the, theSerializer, '}');
}
anInstance->flag &= ~XS_LEVEL_FLAG;
break;
default:
if (*theFlag & 4) {
if (*theFlag & 1) {
fxSerializeJSONChars(the, theSerializer, ",");
fxSerializeJSONIndent(the, theSerializer);
}
else
*theFlag |= 1;
fxSerializeJSONChars(the, theSerializer, "null");
}
break;
}
the->stack++; // POP VALUE
}
