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#include "stdafx.h"
#include "Tag.h"
#include "EndTag.h"
#include "ByteTag.h"
#include "ByteArrayTag.h"
#include "DoubleTag.h"
#include "FloatTag.h"
#include "IntTag.h"
#include "LongTag.h"
#include "ShortTag.h"
#include "StringTag.h"
#include "ListTag.h"
#include "CompoundTag.h"
Tag::Tag(const wstring &name)
{
if (name.empty())
{
this->name = L"";
}
else
{
this->name = name;
}
}
// 4J - Was Object obj
bool Tag::equals(Tag *obj)
{
if (obj == nullptr )// || !(obj instanceof Tag))
{
return false;
}
Tag *o = (Tag *) obj;
if (getId() != o->getId())
{
return false;
}
if ( (name.empty() && !o->name.empty()) || (!name.empty() && o->name.empty()))
{
return false;
}
if (!name.empty() && name.compare(o->name) != 0)
{
return false;
}
return true;
}
void Tag::print(ostream out)
{
out << "";
}
void Tag::print(char *prefix, wostream out)
{
wstring name = getName();
out << prefix;
out << getTagName(getId());
if ( name.length() > 0)
{
out << L"(\"" << name << L"\")";
}
out << L": ";
out << toString() << endl;
}
wstring Tag::getName()
{
return name;
}
Tag *Tag::setName(const wstring& name)
{
this->name = name;
return this;
}
Tag *Tag::readNamedTag(DataInput *dis)
{
return readNamedTag(dis,0);
}
Tag *Tag::readNamedTag(DataInput *dis, int tagDepth)
{
static __declspec(thread) int depth = 0;
static __declspec(thread) int totalTagCount = 0;
if (depth == 0)
{
totalTagCount = 0;
}
depth++;
if (depth > 256)
{
depth--;
return new EndTag();
}
totalTagCount++;
const int MAX_TOTAL_TAGS = 32768;
if (totalTagCount > MAX_TOTAL_TAGS)
{
depth--;
return new EndTag();
}
byte type = dis->readByte();
if (type == 0) {
depth--;
return new EndTag();
}
// 4J Stu - readByte can return -1, so if it's that then also mark as the end tag
if(type == 255)
{
depth--;
return new EndTag();
}
wstring name = dis->readUTF();//new String(bytes, "UTF-8");
Tag *tag = newTag(type, name);
if (tag == nullptr) {
depth--;
return new EndTag();
}
// short length = dis.readShort();
// byte[] bytes = new byte[length];
// dis.readFully(bytes);
tag->load(dis, tagDepth);
depth--;
return tag;
}
void Tag::writeNamedTag(Tag *tag, DataOutput *dos)
{
dos->writeByte(tag->getId());
if (tag->getId() == Tag::TAG_End) return;
// byte[] bytes = tag.getName().getBytes("UTF-8");
// dos.writeShort(bytes.length);
// dos.write(bytes);
dos->writeUTF(tag->getName());
tag->write(dos);
}
Tag *Tag::newTag(byte type, const wstring &name)
{
switch (type)
{
case TAG_End:
return new EndTag(name);
case TAG_Byte:
return new ByteTag(name);
case TAG_Short:
return new ShortTag(name);
case TAG_Int:
return new IntTag(name);
case TAG_Long:
return new LongTag(name);
case TAG_Float:
return new FloatTag(name);
case TAG_Double:
return new DoubleTag(name);
case TAG_Byte_Array:
return new ByteArrayTag(name);
case TAG_Int_Array:
return new IntArrayTag(name);
case TAG_String:
return new StringTag(name);
case TAG_List:
return new ListTag<Tag>(name);
case TAG_Compound:
return new CompoundTag(name);
}
return nullptr;
}
const wchar_t *Tag::getTagName(byte type)
{
switch (type)
{
case TAG_End:
return L"TAG_End";
case TAG_Byte:
return L"TAG_Byte";
case TAG_Short:
return L"TAG_Short";
case TAG_Int:
return L"TAG_Int";
case TAG_Long:
return L"TAG_Long";
case TAG_Float:
return L"TAG_Float";
case TAG_Double:
return L"TAG_Double";
case TAG_Byte_Array:
return L"TAG_Byte_Array";
case TAG_Int_Array:
return L"TAG_Int_Array";
case TAG_String:
return L"TAG_String";
case TAG_List:
return L"TAG_List";
case TAG_Compound:
return L"TAG_Compound";
}
return L"UNKNOWN";
}
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