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/* Copyright (C) 2011 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "IDeserializer.h"
#include "lib/byte_order.h"
#include "lib/utf8.h"
#include "ps/CStr.h"
IDeserializer::~IDeserializer()
{
}
void IDeserializer::NumberU8(const char* name, uint8_t& out, uint8_t lower, uint8_t upper)
{
uint8_t value;
Get(name, (u8*)&value, sizeof(uint8_t));
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberI8(const char* name, int8_t& out, int8_t lower, int8_t upper)
{
int8_t value;
Get(name, (u8*)&value, sizeof(uint8_t));
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberU16(const char* name, uint16_t& out, uint16_t lower, uint16_t upper)
{
uint16_t value;
Get(name, (u8*)&value, sizeof(uint16_t));
value = to_le16(value);
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberI16(const char* name, int16_t& out, int16_t lower, int16_t upper)
{
int16_t value;
Get(name, (u8*)&value, sizeof(uint16_t));
value = (i16)to_le16((u16)value);
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberU32(const char* name, uint32_t& out, uint32_t lower, uint32_t upper)
{
uint32_t value;
Get(name, (u8*)&value, sizeof(uint32_t));
value = to_le32(value);
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberI32(const char* name, int32_t& out, int32_t lower, int32_t upper)
{
int32_t value;
Get(name, (u8*)&value, sizeof(uint32_t));
value = (i32)to_le32((u32)value);
if (!(lower <= value && value <= upper))
throw PSERROR_Deserialize_OutOfBounds(name);
out = value;
}
void IDeserializer::NumberU8_Unbounded(const char* name, uint8_t& out)
{
Get(name, (u8*)&out, sizeof(uint8_t));
}
void IDeserializer::NumberI8_Unbounded(const char* name, int8_t& out)
{
Get(name, (u8*)&out, sizeof(int8_t));
}
void IDeserializer::NumberU16_Unbounded(const char* name, uint16_t& out)
{
uint16_t value;
Get(name, (u8*)&value, sizeof(uint16_t));
out = to_le16(value);
}
void IDeserializer::NumberI16_Unbounded(const char* name, int16_t& out)
{
int16_t value;
Get(name, (u8*)&value, sizeof(int16_t));
out = (i16)to_le16((u16)value);
}
void IDeserializer::NumberU32_Unbounded(const char* name, uint32_t& out)
{
uint32_t value;
Get(name, (u8*)&value, sizeof(uint32_t));
out = to_le32(value);
}
void IDeserializer::NumberI32_Unbounded(const char* name, int32_t& out)
{
int32_t value;
Get(name, (u8*)&value, sizeof(int32_t));
out = (i32)to_le32((u32)value);
}
void IDeserializer::NumberFloat_Unbounded(const char* name, float& out)
{
Get(name, (u8*)&out, sizeof(float));
}
void IDeserializer::NumberDouble_Unbounded(const char* name, double& out)
{
Get(name, (u8*)&out, sizeof(double));
}
void IDeserializer::NumberFixed_Unbounded(const char* name, fixed& out)
{
int32_t n;
NumberI32_Unbounded(name, n);
out.SetInternalValue(n);
}
void IDeserializer::Bool(const char* name, bool& out)
{
uint8_t i;
NumberU8(name, i, 0, 1);
out = (i != 0);
}
void IDeserializer::StringASCII(const char* name, std::string& out, uint32_t minlength, uint32_t maxlength)
{
uint32_t len;
NumberU32("string length", len, minlength, maxlength);
RequireBytesInStream(len);
out.resize(len);
Get(name, (u8*)out.data(), len);
for (size_t i = 0; i < out.length(); ++i)
if (out[i] == 0 || (unsigned char)out[i] >= 128)
throw PSERROR_Deserialize_InvalidCharInString();
}
void IDeserializer::String(const char* name, std::wstring& out, uint32_t minlength, uint32_t maxlength)
{
std::string str;
uint32_t len;
NumberU32_Unbounded("string length", len);
RequireBytesInStream(len);
str.resize(len);
Get(name, (u8*)str.data(), len);
Status err;
out = wstring_from_utf8(str, &err);
if (err)
throw PSERROR_Deserialize_InvalidCharInString();
if (!(minlength <= out.length() && out.length() <= maxlength))
throw PSERROR_Deserialize_OutOfBounds(name);
}
void IDeserializer::RawBytes(const char* name, u8* data, size_t len)
{
Get(name, data, len);
}
int IDeserializer::GetVersion() const
{
debug_warn(L"GetVersion() not implemented in this subclass");
return 0;
}
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