2011-02-10 17:06:28 +01:00
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/* Copyright (C) 2011 Wildfire Games.
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2010-01-09 20:20:14 +01:00
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "IDeserializer.h"
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#include "lib/byte_order.h"
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2010-03-01 15:55:34 +01:00
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#include "lib/utf8.h"
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2010-01-09 20:20:14 +01:00
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#include "ps/CStr.h"
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IDeserializer::~IDeserializer()
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{
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}
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2011-02-10 17:06:28 +01:00
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void IDeserializer::NumberU8(const char* UNUSED(name), uint8_t& out, uint8_t lower, uint8_t upper)
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2010-01-09 20:20:14 +01:00
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{
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2011-02-10 17:06:28 +01:00
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uint8_t value;
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Get((u8*)&value, sizeof(uint8_t));
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2010-01-09 20:20:14 +01:00
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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2011-02-10 17:06:28 +01:00
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out = value;
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2010-01-09 20:20:14 +01:00
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}
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2011-02-10 17:06:28 +01:00
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void IDeserializer::NumberI8(const char* UNUSED(name), int8_t& out, int8_t lower, int8_t upper)
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2010-01-09 20:20:14 +01:00
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{
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2011-02-10 17:06:28 +01:00
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int8_t value;
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Get((u8*)&value, sizeof(uint8_t));
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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out = value;
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2010-01-09 20:20:14 +01:00
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}
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2011-02-10 17:06:28 +01:00
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void IDeserializer::NumberU16(const char* UNUSED(name), uint16_t& out, uint16_t lower, uint16_t upper)
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{
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uint16_t value;
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Get((u8*)&value, sizeof(uint16_t));
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value = to_le16(value);
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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out = value;
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}
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void IDeserializer::NumberI16(const char* UNUSED(name), int16_t& out, int16_t lower, int16_t upper)
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2010-01-09 20:20:14 +01:00
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{
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2011-02-10 17:06:28 +01:00
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int16_t value;
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Get((u8*)&value, sizeof(uint16_t));
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value = (i16)to_le16((u16)value);
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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out = value;
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2010-01-09 20:20:14 +01:00
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberU32(const char* UNUSED(name), uint32_t& out, uint32_t lower, uint32_t upper)
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2010-01-09 20:20:14 +01:00
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{
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2011-02-10 17:06:28 +01:00
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uint32_t value;
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Get((u8*)&value, sizeof(uint32_t));
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value = to_le32(value);
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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out = value;
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2010-01-09 20:20:14 +01:00
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}
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2010-10-23 21:59:40 +02:00
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void IDeserializer::NumberI32(const char* UNUSED(name), int32_t& out, int32_t lower, int32_t upper)
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{
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2011-02-10 17:06:28 +01:00
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int32_t value;
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Get((u8*)&value, sizeof(uint32_t));
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value = (i32)to_le32((u32)value);
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if (!(lower <= value && value <= upper))
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throw PSERROR_Deserialize_OutOfBounds();
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out = value;
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2010-10-23 21:59:40 +02:00
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberU8_Unbounded(const char* UNUSED(name), uint8_t& out)
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2010-01-09 20:20:14 +01:00
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{
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Get((u8*)&out, sizeof(uint8_t));
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}
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2010-10-23 21:59:40 +02:00
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void IDeserializer::NumberI8_Unbounded(const char* UNUSED(name), int8_t& out)
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2010-01-09 20:20:14 +01:00
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{
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2010-10-23 21:59:40 +02:00
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Get((u8*)&out, sizeof(int8_t));
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2010-01-09 20:20:14 +01:00
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}
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2011-02-10 17:06:28 +01:00
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void IDeserializer::NumberU16_Unbounded(const char* UNUSED(name), uint16_t& out)
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{
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uint16_t value;
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Get((u8*)&value, sizeof(uint16_t));
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out = to_le16(value);
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}
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void IDeserializer::NumberI16_Unbounded(const char* UNUSED(name), int16_t& out)
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{
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int16_t value;
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Get((u8*)&value, sizeof(int16_t));
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out = (i16)to_le16((u16)value);
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberU32_Unbounded(const char* UNUSED(name), uint32_t& out)
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2010-01-09 20:20:14 +01:00
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{
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uint32_t value;
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Get((u8*)&value, sizeof(uint32_t));
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out = to_le32(value);
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}
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2010-10-23 21:59:40 +02:00
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void IDeserializer::NumberI32_Unbounded(const char* UNUSED(name), int32_t& out)
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{
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int32_t value;
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Get((u8*)&value, sizeof(int32_t));
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out = (i32)to_le32((u32)value);
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberFloat_Unbounded(const char* UNUSED(name), float& out)
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2010-01-09 20:20:14 +01:00
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{
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Get((u8*)&out, sizeof(float));
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberDouble_Unbounded(const char* UNUSED(name), double& out)
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2010-01-09 20:20:14 +01:00
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{
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Get((u8*)&out, sizeof(double));
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::NumberFixed_Unbounded(const char* name, fixed& out)
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2010-01-09 20:20:14 +01:00
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{
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int32_t n;
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2010-09-17 19:53:26 +02:00
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NumberI32_Unbounded(name, n);
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2010-01-09 20:20:14 +01:00
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out.SetInternalValue(n);
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::Bool(const char* name, bool& out)
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2010-01-09 20:20:14 +01:00
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{
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uint8_t i;
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NumberU8(name, i, 0, 1);
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2010-01-09 20:20:14 +01:00
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out = (i != 0);
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::StringASCII(const char* UNUSED(name), std::string& out, uint32_t minlength, uint32_t maxlength)
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2010-01-09 20:20:14 +01:00
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{
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uint32_t len;
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2010-09-17 19:53:26 +02:00
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NumberU32("string length", len, minlength, maxlength);
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out.resize(len); // TODO: should check len <= bytes remaining in stream
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Get((u8*)out.data(), len);
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for (size_t i = 0; i < out.length(); ++i)
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if (out[i] == 0 || (unsigned char)out[i] >= 128)
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throw PSERROR_Deserialize_InvalidCharInString();
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::String(const char* UNUSED(name), std::wstring& out, uint32_t minlength, uint32_t maxlength)
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2010-01-09 20:20:14 +01:00
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{
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std::string str;
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uint32_t len;
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2010-09-17 19:53:26 +02:00
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NumberU32_Unbounded("string length", len);
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str.resize(len); // TODO: should check len <= bytes remaining in stream
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Get((u8*)str.data(), len);
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LibError err;
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out = wstring_from_utf8(str, &err);
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if (err)
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throw PSERROR_Deserialize_InvalidCharInString();
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if (!(minlength <= out.length() && out.length() <= maxlength))
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throw PSERROR_Deserialize_OutOfBounds();
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}
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2010-09-17 19:53:26 +02:00
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void IDeserializer::RawBytes(const char* UNUSED(name), u8* data, size_t len)
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2010-01-09 20:20:14 +01:00
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{
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Get(data, len);
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}
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int IDeserializer::GetVersion() const
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{
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debug_warn(L"GetVersion() not implemented in this subclass");
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return 0;
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}
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void IDeserializer::ReadString(std::string& out)
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{
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uint32_t len;
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2010-09-17 19:53:26 +02:00
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NumberU32_Unbounded("string length", len);
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2010-01-09 20:20:14 +01:00
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out.resize(len); // TODO: should check len <= bytes remaining in stream
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Get((u8*)out.data(), len);
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}
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