private void DecodeWBXML(byte[] bytes)
{
currentTagCodePage = 0;
currentAttributeCodePage = 0;
bool isAttribute = false;
bool tagHasAttributes = false;
bool tagHasContent = false;
XmlNode activeNode = this;
XmlAttribute activeAttribute = null;
Queue<byte> byteQueue = new Queue<byte>(bytes);
//Get the WBXML version number;
versionNumber = ((double)byteQueue.Dequeue() / 10.0) + 1.0;
//Get the value of the public identifier
publicIdentifier = GetInt(byteQueue);
if (publicIdentifier == 0)
{
//TODO the publicIdentifier is defined as string inside the stringtable
int publicIdentifierStringTableIndex = GetInt(byteQueue);
}
//Get the charset for text encoding
textEncoding = IANACharacterSets.GetEncoding(GetInt(byteQueue));
XmlDeclaration declaration = CreateXmlDeclaration("1.0", textEncoding.WebName, null);
activeNode.AppendChild(declaration);
//Get the string table (use of the string table is not implemented)
int stringTableLength = GetInt(byteQueue);
if (stringTableLength > 0)
{
Queue<byte> byteStringTableQueue = new Queue<byte>();
for (int i = 0; i < stringTableLength; i++)
{
byteStringTableQueue.Enqueue(byteQueue.Dequeue());
}
List<string> stringTableList = new List<string>();
while (byteStringTableQueue.Count > 0)
{
string stringTableItem = GetString(byteStringTableQueue);
stringTableList.Add(stringTableItem);
}
stringTable = new StringTable(stringTableList.ToArray());
}
//WBXML body
while (byteQueue.Count > 0)
{
byte byteItem = byteQueue.Dequeue();
if (globalTokens.Contains(byteItem))
{
GlobalTokens.Names globalToken = globalTokens.GetToken(byteItem);
switch (globalToken)
{
case GlobalTokens.Names.SWITCH_PAGE:
currentTagCodePage = (int)byteQueue.Dequeue();
break;
case GlobalTokens.Names.END:
if (isAttribute)
{
isAttribute = false;
activeAttribute = null;
if (!tagHasContent)
{
activeNode = activeNode.ParentNode;
}
}
else
{
activeNode = activeNode.ParentNode;
}
break;
case GlobalTokens.Names.ENTITY:
//TODO ENTITY is not implemented yet
int entityLength = GetInt(byteQueue);
break;
case GlobalTokens.Names.STR_I:
if (isAttribute)
{
activeAttribute.InnerText += GetString(byteQueue);
}
else
{
activeNode.AppendChild(CreateTextNode(GetString(byteQueue)));
}
break;
case GlobalTokens.Names.LITERAL:
case GlobalTokens.Names.LITERAL_A:
case GlobalTokens.Names.LITERAL_AC:
case GlobalTokens.Names.LITERAL_C:
//TODO LITERALs are not implemented yet
int literalReference = GetInt(byteQueue);
break;
case GlobalTokens.Names.EXT_I_0:
case GlobalTokens.Names.EXT_I_1:
case GlobalTokens.Names.EXT_I_2:
//TODO EXT_I_x are not implemented yet
string extiString = GetString(byteQueue);
break;
case GlobalTokens.Names.PI:
//TODO PI is not implemented yet
List<byte> piByteList = new List<byte>();
while (byteQueue.Peek() != (byte)GlobalTokens.Names.END)
{
piByteList.Add(byteQueue.Dequeue());
}
byteQueue.Dequeue();
break;
case GlobalTokens.Names.EXT_T_0:
case GlobalTokens.Names.EXT_T_1:
case GlobalTokens.Names.EXT_T_2:
//TODO EXT_T_x are not implemented yet
int exttReference = GetInt(byteQueue);
break;
case GlobalTokens.Names.STR_T:
int strtReference = GetInt(byteQueue);
if (stringTable.ContainsString(strtReference))
{
StringTableItem stringTableItem = stringTable.GetString(strtReference);
if (isAttribute)
{
activeAttribute.InnerText += stringTableItem.Value;
}
else
{
activeNode.AppendChild(CreateTextNode(stringTableItem.Value));
}
}
break;
case GlobalTokens.Names.EXT_0:
case GlobalTokens.Names.EXT_1:
case GlobalTokens.Names.EXT_2:
//TODO EXT_x are not implemented yet
break;
case GlobalTokens.Names.OPAQUE:
int opaqueLength = GetInt(byteQueue);
byte[] opaqueByteArray = GetByteArray(byteQueue, opaqueLength);
List<string> opaqueHexList = new List<string>();
foreach (byte opaqueByteItem in opaqueByteArray)
{
opaqueHexList.Add(opaqueByteItem.ToString("X2"));
}
activeNode.InnerText = String.Join("", opaqueHexList.ToArray());
break;
}
}
else if (!isAttribute)
{
tagHasAttributes = IsBitSet(byteItem, 7);
tagHasContent = IsBitSet(byteItem, 6);
byteItem &= 127;
byteItem &= 63;
XmlElement xmlElement;
if (tagCodeSpace.GetCodePage(currentTagCodePage).ContainsTag(byteItem))
{
var codePage = tagCodeSpace.GetCodePage(currentTagCodePage);
string tagValue = codePage.GetTag(byteItem).Name;
xmlElement = CreateElement(tagValue);
}
else
{
string tagValue = "Tag_" + byteItem.ToString("X2");
xmlElement = CreateElement(tagValue);
}
activeNode.AppendChild(xmlElement);
if (tagHasContent || tagHasAttributes)
{
activeNode = xmlElement;
if (tagHasAttributes)
{
isAttribute = true;
}
}
}
else
{
if (byteItem < 128)
{
if (attributeCodeSpace.GetCodePage(currentAttributeCodePage).ContainsAttributeStart(byteItem))
{
AttributeStart attributeStart = attributeCodeSpace.GetCodePage(currentAttributeCodePage).GetAttributeStart(byteItem);
XmlAttribute xmlAttribute = CreateAttribute(attributeStart.Name);
xmlAttribute.InnerText = attributeStart.Prefix;
activeNode.Attributes.Append(xmlAttribute);
activeAttribute = xmlAttribute;
}
else
{
XmlAttribute xmlAttribute = CreateAttribute("attribute_" + byteItem.ToString("X2"));
activeNode.Attributes.Append(xmlAttribute);
activeAttribute = xmlAttribute;
}
}
else
{
if (attributeCodeSpace.GetCodePage(currentAttributeCodePage).ContainsAttributeValue(byteItem))
{
AttributeValue attributeValue = attributeCodeSpace.GetCodePage(currentAttributeCodePage).GetAttributeValue(byteItem);
activeAttribute.InnerText += attributeValue.Value;
}
}
}
}
}
private void DecodeWBXML(byte[] bytes)
{
currentTagCodePage = 0;
currentAttributeCodePage = 0;
bool isAttribute = false;
bool tagHasAttributes = false;
bool tagHasContent = false;
XmlNode activeNode = this;
XmlAttribute activeAttribute = null;
Queue <byte> byteQueue = new Queue <byte>(bytes);
//Get the WBXML version number;
versionNumber = ((double)byteQueue.Dequeue() / 10.0) + 1.0;
//Get the value of the public identifier
publicIdentifier = GetInt(byteQueue);
if (publicIdentifier == 0)
{
//TODO the publicIdentifier is defined as string inside the stringtable
int publicIdentifierStringTableIndex = GetInt(byteQueue);
}
//Get the charset for text encoding
textEncoding = IANACharacterSets.GetEncoding(GetInt(byteQueue));
XmlDeclaration declaration = CreateXmlDeclaration("1.0", textEncoding.WebName, null);
activeNode.AppendChild(declaration);
//Get the string table (use of the string table is not implemented)
int stringTableLength = GetInt(byteQueue);
if (stringTableLength > 0)
{
Queue <byte> byteStringTableQueue = new Queue <byte>();
for (int i = 0; i < stringTableLength; i++)
{
byteStringTableQueue.Enqueue(byteQueue.Dequeue());
}
List <string> stringTableList = new List <string>();
while (byteStringTableQueue.Count > 0)
{
string stringTableItem = GetString(byteStringTableQueue);
stringTableList.Add(stringTableItem);
}
stringTable = new StringTable(stringTableList.ToArray());
}
//WBXML body
while (byteQueue.Count > 0)
{
byte byteItem = byteQueue.Dequeue();
if (globalTokens.Contains(byteItem))
{
GlobalTokens.Names globalToken = globalTokens.GetToken(byteItem);
switch (globalToken)
{
case GlobalTokens.Names.SWITCH_PAGE:
currentTagCodePage = (int)byteQueue.Dequeue();
break;
case GlobalTokens.Names.END:
if (isAttribute)
{
isAttribute = false;
activeAttribute = null;
if (!tagHasContent)
{
activeNode = activeNode.ParentNode;
}
}
else
{
activeNode = activeNode.ParentNode;
}
break;
case GlobalTokens.Names.ENTITY:
//TODO ENTITY is not implemented yet
int entityLength = GetInt(byteQueue);
break;
case GlobalTokens.Names.STR_I:
if (isAttribute)
{
activeAttribute.InnerText += GetString(byteQueue);
}
else
{
activeNode.AppendChild(CreateTextNode(GetString(byteQueue)));
}
break;
case GlobalTokens.Names.LITERAL:
case GlobalTokens.Names.LITERAL_A:
case GlobalTokens.Names.LITERAL_AC:
case GlobalTokens.Names.LITERAL_C:
//TODO LITERALs are not implemented yet
int literalReference = GetInt(byteQueue);
break;
case GlobalTokens.Names.EXT_I_0:
case GlobalTokens.Names.EXT_I_1:
case GlobalTokens.Names.EXT_I_2:
//TODO EXT_I_x are not implemented yet
string extiString = GetString(byteQueue);
break;
case GlobalTokens.Names.PI:
//TODO PI is not implemented yet
List <byte> piByteList = new List <byte>();
while (byteQueue.Peek() != (byte)GlobalTokens.Names.END)
{
piByteList.Add(byteQueue.Dequeue());
}
byteQueue.Dequeue();
break;
case GlobalTokens.Names.EXT_T_0:
case GlobalTokens.Names.EXT_T_1:
case GlobalTokens.Names.EXT_T_2:
//TODO EXT_T_x are not implemented yet
int exttReference = GetInt(byteQueue);
break;
case GlobalTokens.Names.STR_T:
int strtReference = GetInt(byteQueue);
if (stringTable.ContainsString(strtReference))
{
StringTableItem stringTableItem = stringTable.GetString(strtReference);
if (isAttribute)
{
activeAttribute.InnerText += stringTableItem.Value;
}
else
{
activeNode.AppendChild(CreateTextNode(stringTableItem.Value));
}
}
break;
case GlobalTokens.Names.EXT_0:
case GlobalTokens.Names.EXT_1:
case GlobalTokens.Names.EXT_2:
//TODO EXT_x are not implemented yet
break;
case GlobalTokens.Names.OPAQUE:
int opaqueLength = GetInt(byteQueue);
byte[] opaqueByteArray = GetByteArray(byteQueue, opaqueLength);
List <string> opaqueHexList = new List <string>();
foreach (byte opaqueByteItem in opaqueByteArray)
{
opaqueHexList.Add(opaqueByteItem.ToString("X2"));
}
activeNode.InnerText = String.Join("", opaqueHexList.ToArray());
break;
}
}
else if (!isAttribute)
{
tagHasAttributes = IsBitSet(byteItem, 7);
tagHasContent = IsBitSet(byteItem, 6);
byteItem &= 127;
byteItem &= 63;
XmlElement xmlElement;
if (tagCodeSpace.GetCodePage(currentTagCodePage).ContainsTag(byteItem))
{
var codePage = tagCodeSpace.GetCodePage(currentTagCodePage);
string tagValue = codePage.GetTag(byteItem).Name;
xmlElement = CreateElement(tagValue);
}
else
{
string tagValue = "Tag_" + byteItem.ToString("X2");
xmlElement = CreateElement(tagValue);
}
activeNode.AppendChild(xmlElement);
if (tagHasContent || tagHasAttributes)
{
activeNode = xmlElement;
if (tagHasAttributes)
{
isAttribute = true;
}
}
}
else
{
if (byteItem < 128)
{
if (attributeCodeSpace.GetCodePage(currentAttributeCodePage).ContainsAttributeStart(byteItem))
{
AttributeStart attributeStart = attributeCodeSpace.GetCodePage(currentAttributeCodePage).GetAttributeStart(byteItem);
XmlAttribute xmlAttribute = CreateAttribute(attributeStart.Name);
xmlAttribute.InnerText = attributeStart.Prefix;
activeNode.Attributes.Append(xmlAttribute);
activeAttribute = xmlAttribute;
}
else
{
XmlAttribute xmlAttribute = CreateAttribute("attribute_" + byteItem.ToString("X2"));
activeNode.Attributes.Append(xmlAttribute);
activeAttribute = xmlAttribute;
}
}
else
{
if (attributeCodeSpace.GetCodePage(currentAttributeCodePage).ContainsAttributeValue(byteItem))
{
AttributeValue attributeValue = attributeCodeSpace.GetCodePage(currentAttributeCodePage).GetAttributeValue(byteItem);
activeAttribute.InnerText += attributeValue.Value;
}
}
}
}
}
