OpenAssetTools/src/ObjWriting/StructuredDataDef/StructuredDataDefDumper.cpp
2022-03-20 19:35:52 +01:00

273 lines
9.1 KiB
C++

#include "StructuredDataDefDumper.h"
#include <cassert>
#include <sstream>
#include "Utils/Alignment.h"
StructuredDataDefDumper::StructuredDataDefDumper(std::ostream& stream)
: AbstractTextDumper(stream),
m_flags{}
{
}
void StructuredDataDefDumper::WriteLineComment(const std::string& comment) const
{
Indent();
m_stream << "// " << comment << "\n";
}
void StructuredDataDefDumper::DumpEnum(const CommonStructuredDataEnum& _enum)
{
Indent();
if (_enum.m_reserved_entry_count > static_cast<int>(_enum.m_entries.size()))
m_stream << "enum(" << _enum.m_reserved_entry_count << ") ";
else
m_stream << "enum ";
m_stream << _enum.m_name << "\n";
Indent();
m_stream << "{\n";
IncIndent();
const auto entryCount = _enum.m_entries.size();
for (auto i = 0u; i < entryCount; i++)
{
Indent();
m_stream << "\"" << _enum.m_entries[i].m_name << "\"";
if (i + 1 < entryCount)
m_stream << ",";
m_stream << "\n";
}
DecIndent();
Indent();
m_stream << "};\n"; // end enum
}
void StructuredDataDefDumper::DumpType(const CommonStructuredDataDef& def, CommonStructuredDataType type, std::string& typeName, std::vector<std::string>& arraySpecifiers) const
{
while (type.m_category != CommonStructuredDataTypeCategory::UNKNOWN)
{
switch (type.m_category)
{
case CommonStructuredDataTypeCategory::INT:
typeName = "int";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::BYTE:
typeName = "byte";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::BOOL:
typeName = "bool";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::FLOAT:
typeName = "float";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::SHORT:
typeName = "short";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::STRING:
{
std::ostringstream ss;
ss << "string(" << type.m_info.string_length << ')';
typeName = ss.str();
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
}
break;
case CommonStructuredDataTypeCategory::ENUM:
assert(type.m_info.type_index < def.m_enums.size());
if (type.m_info.type_index < def.m_enums.size())
typeName = def.m_enums[type.m_info.type_index]->m_name;
else
typeName = "unknown";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::STRUCT:
assert(type.m_info.type_index < def.m_structs.size());
if (type.m_info.type_index < def.m_structs.size())
typeName = def.m_structs[type.m_info.type_index]->m_name;
else
typeName = "unknown";
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::INDEXED_ARRAY:
assert(type.m_info.type_index < def.m_indexed_arrays.size());
if (type.m_info.type_index < def.m_indexed_arrays.size())
{
const auto& indexArray = def.m_indexed_arrays[type.m_info.type_index];
arraySpecifiers.push_back(std::to_string(indexArray.m_element_count));
type = indexArray.m_array_type;
}
else
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
case CommonStructuredDataTypeCategory::ENUM_ARRAY:
assert(type.m_info.type_index < def.m_enumed_arrays.size());
if (type.m_info.type_index < def.m_enumed_arrays.size())
{
const auto& enumedArray = def.m_enumed_arrays[type.m_info.type_index];
assert(enumedArray.m_enum_index < def.m_enums.size());
if (enumedArray.m_enum_index < def.m_enums.size())
arraySpecifiers.push_back(def.m_enums[enumedArray.m_enum_index]->m_name);
type = enumedArray.m_array_type;
}
else
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
default:
type = CommonStructuredDataType(CommonStructuredDataTypeCategory::UNKNOWN);
break;
}
}
}
void StructuredDataDefDumper::DumpProperty(const CommonStructuredDataDef& def, const CommonStructuredDataStructProperty& property, unsigned& currentOffsetInBit) const
{
std::string typeName;
std::vector<std::string> arraySpecifiers;
currentOffsetInBit = utils::Align(currentOffsetInBit, property.m_type.GetAlignmentInBits());
assert(currentOffsetInBit <= property.m_offset_in_bits);
if (currentOffsetInBit < property.m_offset_in_bits)
{
assert((property.m_offset_in_bits - currentOffsetInBit) % 8 == 0);
Indent();
m_stream << "pad(" << ((property.m_offset_in_bits - currentOffsetInBit) / 8) << ");\n";
currentOffsetInBit = property.m_offset_in_bits;
}
DumpType(def, property.m_type, typeName, arraySpecifiers);
Indent();
m_stream << typeName << ' ' << property.m_name;
for (auto ri = arraySpecifiers.begin(); ri != arraySpecifiers.end(); ++ri)
m_stream << '[' << *ri << ']';
#ifdef STRUCTUREDDATADEF_DEBUG
m_stream << "; // Offset: " << (property.m_offset_in_bits / 8) << " byte";
if (property.m_offset_in_bits % 8 > 0)
m_stream << " + " << (property.m_offset_in_bits % 8) << " bit";
const auto sizeInBits = property.m_type.GetSizeInBits(def);
m_stream << " | Size: ";
if (sizeInBits % 8 == 0)
m_stream << (sizeInBits / 8) << " byte";
else if (sizeInBits > 8)
m_stream << (sizeInBits / 8) << " byte + " << (sizeInBits % 8) << " bit";
else
m_stream << sizeInBits << " bit";
m_stream << " | Alignment: " << property.m_type.GetAlignmentInBits() << " bit";
m_stream << '\n';
#else
m_stream << ";\n";
#endif
currentOffsetInBit += property.m_type.GetSizeInBits(def);
}
void StructuredDataDefDumper::DumpStruct(const CommonStructuredDataDef& def, const CommonStructuredDataStruct& _struct, const size_t structIndex)
{
#ifdef STRUCTUREDDATADEF_DEBUG
Indent();
m_stream << "// BitOffset: " << _struct.m_bit_offset << "\n";
Indent();
m_stream << "// Size (Byte): " << _struct.m_size_in_byte << "\n";
#endif
Indent();
m_stream << "struct " << _struct.m_name << "\n";
Indent();
m_stream << "{\n";
IncIndent();
auto currentOffsetInBit = def.m_root_type.m_category == CommonStructuredDataTypeCategory::STRUCT && def.m_root_type.m_info.type_index == structIndex ? 64u : 0u;
for (const auto& property : _struct.m_properties)
DumpProperty(def, property, currentOffsetInBit);
currentOffsetInBit = utils::Align(currentOffsetInBit, 8u);
if ((currentOffsetInBit / 8) < _struct.m_size_in_byte)
{
Indent();
m_stream << "pad(" << (_struct.m_size_in_byte - (currentOffsetInBit / 8)) << ");\n";
}
DecIndent();
Indent();
m_stream << "};\n"; // end struct
}
void StructuredDataDefDumper::DumpDef(const CommonStructuredDataDef& def)
{
if (m_flags.m_empty_line_before_definition)
m_stream << "\n\n";
else
m_flags.m_empty_line_before_definition = true;
const auto calculatedChecksum = def.CalculateChecksum();
m_stream << "// ====================\n";
m_stream << "// Version " << def.m_version << "\n";
if (calculatedChecksum != def.m_checksum)
m_stream << "// Calculated checksum did not match checksum in file\n// Overriding checksum to match original value\n";
m_stream << "// ====================\n";
#ifdef STRUCTUREDDATADEF_DEBUG
m_stream << "// Size (Byte): " << def.m_size_in_byte << "\n";
m_stream << "// Checksum: " << def.m_checksum << "\n";
#endif
m_stream << "version " << def.m_version << "\n{\n";
IncIndent();
auto insertEmptyLine = false;
if (calculatedChecksum != def.m_checksum)
{
Indent();
m_stream << "checksumoverride " << def.m_checksum << ";\n";
insertEmptyLine = true;
}
for (const auto& _enum : def.m_enums)
{
if (insertEmptyLine)
m_stream << "\n";
else
insertEmptyLine = true;
DumpEnum(*_enum);
}
auto structIndex = 0u;
for (const auto& _struct : def.m_structs)
{
if (insertEmptyLine)
m_stream << "\n";
else
insertEmptyLine = true;
DumpStruct(def, *_struct, structIndex++);
}
DecIndent();
m_stream << "}\n"; // end version
}