public void Clear()
{
type = ValueType.Unknown;
nameIdx = 0;
valueIdx = 0;
element = null;
}
private TBJSONElement EndElement(Stack <TBJSONElement> elementStack, Stack <TBJSONElement> freeElementList, Action <TBJSONElement, TBJSONElement, int> onEndElement)
{
if (elementStack.Count > 0)
{
TBJSONElement myElement = elementStack.Pop();
TBJSONElement parentElement = null;
int parentIdx = -1;
if (elementStack.Count > 0)
{
parentElement = elementStack.Peek();
parentIdx = parentElement.values.Count - 1;
}
onEndElement(myElement, parentElement, parentIdx);
myElement.values.Clear();
freeElementList.Push(myElement);
return(parentElement);
}
return(null);
}
private void DecodeBytes(Action <TBJSONElement, TBJSONElement, int> onStartElement, Action <TBJSONElement, TBJSONElement, int> onEndElement)
{
byte[] localBytes = bytes;
long localBytesLength = bytesLength;
Stack <TBJSONElement> elementStack = new Stack <TBJSONElement> ();
Stack <TBJSONElement> freeElementList = new Stack <TBJSONElement> ();
TBJSONValue xmlAttribute = new TBJSONValue();
// set elementStart pointer to the start of our xml
long currentIdx = 0;
TBJSONElement xmlElement = null;
// find next element start
while ((currentIdx = strskip(currentIdx, (byte)' ', (byte)'\t', (byte)'\n', (byte)'\r', (byte)',')) < localBytesLength)
{
// ok, so the main algorithm is fairly simple. At this point, we've identified the start of an object enclosure, an array enclosure, or the start of a string
// make an element for this and put it on the stack
long nextCurrentIdx = currentIdx + 1;
if (localBytes [currentIdx] == (byte)'}' || localBytes [currentIdx] == (byte)']')
{
xmlElement = EndElement(elementStack, freeElementList, onEndElement);
}
else if (localBytes [currentIdx] == (byte)'{' || localBytes [currentIdx] == (byte)'[')
{
// we've found the start of a new object
int parentIdx = -1;
TBJSONElement parentElement = null;
// this is not the root element, so we need an attribute to link it
if (xmlAttribute.nameIdx != 0)
{
parentElement = xmlElement;
parentIdx = xmlElement.values.Count;
xmlAttribute.type = ValueType.Element;
xmlAttribute.element = xmlElement;
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
}
if (freeElementList.Count > 0)
{
xmlElement = freeElementList.Pop();
}
else
{
xmlElement = new TBJSONElement();
xmlElement.tbxml = this;
}
if (localBytes [currentIdx] == (byte)'{')
{
xmlElement.type = ElementType.Object;
}
else
{
xmlElement.type = ElementType.Array;
}
elementStack.Push(xmlElement);
onStartElement(xmlElement, parentElement, parentIdx);
}
else if (xmlElement.type == ElementType.Object && localBytes [currentIdx] == (byte)'\"' || localBytes [currentIdx] == (byte)'\'')
{
// We've found the name portiong of a KVP
if (xmlAttribute.nameIdx == 0)
{
// Set the attribute name index
xmlAttribute.nameIdx = currentIdx + 1;
// Find the name of the name string and null terminate it
nextCurrentIdx = strstrNoEscaped(xmlAttribute.nameIdx, localBytes [currentIdx]);
localBytes [nextCurrentIdx] = 0;
// Find the ':'
nextCurrentIdx = strstrNoEscaped(nextCurrentIdx + 1, (byte)':') + 1;
// skip whitespace
nextCurrentIdx = strskip(nextCurrentIdx, (byte)' ', (byte)'\t', (byte)'\n', (byte)'\r');
// advance forward until we find the start of the next thing
if (localBytes [nextCurrentIdx] == (byte)'\"' || localBytes [nextCurrentIdx] == (byte)'\'')
{
// our value is a string
xmlAttribute.type = ValueType.String;
xmlAttribute.valueIdx = nextCurrentIdx + 1;
nextCurrentIdx = strstrNoEscaped(xmlAttribute.valueIdx, localBytes [nextCurrentIdx]);
localBytes [nextCurrentIdx] = 0;
nextCurrentIdx++;
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
}
else if (localBytes [nextCurrentIdx] == (byte)'{' || localBytes [nextCurrentIdx] == (byte)'[')
{
// our value is an array or an object; we will process it next time through the main loop
//nextCurrentIdx = nextCurrentIdx - 1;
}
else if (localBytes [nextCurrentIdx] == (byte)'n' && localBytes [nextCurrentIdx + 1] == (byte)'u' && localBytes [nextCurrentIdx + 2] == (byte)'l' && localBytes [nextCurrentIdx + 3] == (byte)'l')
{
// our value is null; pick up at the end of it
xmlAttribute.type = ValueType.Null;
nextCurrentIdx += 4;
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
}
else
{
// our value is likely a number; capture it then advance to the next ',' or '}' or whitespace
xmlAttribute.type = ValueType.Int;
xmlAttribute.valueIdx = nextCurrentIdx;
while (localBytes [nextCurrentIdx] != ' ' && localBytes [nextCurrentIdx] != '\t' && localBytes [nextCurrentIdx] != '\n' && localBytes [nextCurrentIdx] != '\r' && localBytes [nextCurrentIdx] != ',' && localBytes [nextCurrentIdx] != '}' && localBytes [nextCurrentIdx] != ']')
{
if (localBytes [nextCurrentIdx] == '.')
{
xmlAttribute.type = ValueType.Double;
}
nextCurrentIdx++;
}
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
if (localBytes [nextCurrentIdx] == (byte)']')
{
localBytes [nextCurrentIdx] = 0;
xmlElement = EndElement(elementStack, freeElementList, onEndElement);
}
localBytes [nextCurrentIdx] = 0;
nextCurrentIdx++;
}
}
else
{
// We found the value portion of a KVP
nextCurrentIdx = strstrNoEscaped(currentIdx, localBytes [currentIdx]);
localBytes [nextCurrentIdx] = 0;
// Find the ':'
nextCurrentIdx = strstrNoEscaped(nextCurrentIdx, (byte)':');
// create new attribute
xmlAttribute.nameIdx = currentIdx;
}
}
else
{
if (xmlElement.type == ElementType.Array)
{
// this could be an array element...
nextCurrentIdx = strskip(currentIdx, (byte)' ', (byte)'\t', (byte)'\n', (byte)'\r');
// advance forward until we find the start of the next thing
if (localBytes [nextCurrentIdx] == (byte)'\"' || localBytes [nextCurrentIdx] == (byte)'\'')
{
// our value is a string
xmlAttribute.type = ValueType.String;
xmlAttribute.valueIdx = nextCurrentIdx + 1;
nextCurrentIdx = strstrNoEscaped(xmlAttribute.valueIdx, localBytes [nextCurrentIdx]);
localBytes [nextCurrentIdx] = 0;
nextCurrentIdx++;
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
}
else if (localBytes [nextCurrentIdx] == (byte)'{' || localBytes [nextCurrentIdx] == (byte)'[')
{
// our value is an array or an object; we will process it next time through the main loop
//nextCurrentIdx = nextCurrentIdx - 1;
}
else if (localBytes [nextCurrentIdx] == (byte)'n' && localBytes [nextCurrentIdx + 1] == (byte)'u' && localBytes [nextCurrentIdx + 2] == (byte)'l' && localBytes [nextCurrentIdx + 3] == (byte)'l')
{
// our value is null; pick up at the end of it
xmlAttribute.type = ValueType.Null;
nextCurrentIdx += 4;
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
}
else
{
// our value is likely a number; capture it then advance to the next ',' or '}' or whitespace
xmlAttribute.type = ValueType.Int;
xmlAttribute.valueIdx = nextCurrentIdx;
while (localBytes [nextCurrentIdx] != ' ' && localBytes [nextCurrentIdx] != '\t' && localBytes [nextCurrentIdx] != '\n' && localBytes [nextCurrentIdx] != '\r' && localBytes [nextCurrentIdx] != ',' && localBytes [nextCurrentIdx] != '}' && localBytes [nextCurrentIdx] != ']')
{
if (localBytes [nextCurrentIdx] == '.')
{
xmlAttribute.type = ValueType.Double;
}
nextCurrentIdx++;
}
xmlElement.values.Add(xmlAttribute);
xmlAttribute.Clear();
if (localBytes [nextCurrentIdx] == (byte)']')
{
localBytes [nextCurrentIdx] = 0;
xmlElement = EndElement(elementStack, freeElementList, onEndElement);
}
localBytes [nextCurrentIdx] = 0;
nextCurrentIdx++;
}
}
}
currentIdx = nextCurrentIdx;
}
while (elementStack.Count > 0)
{
xmlElement = EndElement(elementStack, freeElementList, onEndElement);
}
}
