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Core: Rework ParameterFile 

Improve parsing and usage
This commit is contained in:
SirLynix 2023-11-17 11:57:05 +01:00
parent 592845e353
commit ddc8cc6797
4 changed files with 409 additions and 238 deletions
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86
include/Nazara/Core/ParameterFile.hpp
View File

@ -16,34 +16,41 @@
#include <functional>
#include <string>
#include <type_traits>
#include <variant>
namespace Nz
{
class ParameterFileSection;
class Stream;
// TOOD: Move to NazaraUtils
template<typename T>
concept Functor = IsFunctor_v<T>;
class NAZARA_CORE_API ParameterFile
{
friend ParameterFileSection;
public:
inline ParameterFile(Stream& stream);
ParameterFile(const ParameterFile&) = delete;
ParameterFile(ParameterFile&&) = delete;
~ParameterFile() = default;
template<typename... Args> void Block(Args&&... args);
template<typename... Args> void Handle(Args&&... args);
template<typename... Args> void Parse(Args&&... args);
ParameterFile& operator=(const ParameterFile&) = delete;
ParameterFile& operator=(ParameterFile&&) = delete;
struct Keyword
struct Identifier
{
std::string str;
std::string value;
};
struct Array_t {};
struct List_t {};
struct OptionalBlock_t {};
static constexpr Array_t Array{};
static constexpr List_t List{};
static constexpr OptionalBlock_t OptionalBlock{};
private:
@ -55,28 +62,59 @@ namespace Nz
ValueHandler handler;
};
struct ClosingCurlyBracket {};
struct EndOfStream {};
struct OpenCurlyBracket {};
struct String
{
std::string value; //< has to be a string because of text parsing
};
using Token = std::variant<std::monostate, ClosingCurlyBracket, EndOfStream, Identifier, OpenCurlyBracket, String>;
Token Advance();
void ConsumeChar(std::size_t count = 1);
template<typename EndToken, typename... Args> void HandleInner(Args&&... args);
Token& PeekToken();
char PeekCharacter(std::size_t advance = 1);
template<typename T> T& Peek();
template<typename T> T Read();
template<typename T> T ReadValue();
// Handlers
template<std::size_t N, typename T, typename... Rest> ValueHandler BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, T* value, Rest&&... rest);
template<std::size_t N, Functor T, typename... Rest> ValueHandler BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, T&& handler, Rest&&... rest);
template<std::size_t N, typename O, typename... Args, typename... Rest> ValueHandler BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, void(O::* method)(Args...), O* object, Rest&&... rest);
template<std::size_t N, typename... Args, typename... Rest> ValueHandler BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, FunctionRef<void(Args...)> handler, Rest&&... rest);
template<std::size_t N, typename K, typename... Rest> void BuildKeyValues(FixedVector<KeyValue, N>* keyValues, K&& key, Rest&&... rest);
template<typename V, typename... Rest> ValueHandler GetSingleHandler(V&& value, Rest&&... rest);
template<typename T> static std::string_view BuildBlockKey(T&& key);
template<typename... Args> static ValueHandler BuildBlockHandler(ParameterFile& file, ValueHandler handler);
template<typename T> static ValueHandler BuildBlockHandler(ParameterFile& file, T* value);
template<typename T> static ValueHandler BuildBlockHandler(ParameterFile& file, T&& handler, std::enable_if_t<IsFunctor_v<T>>* = nullptr);
template<typename... Args> static ValueHandler BuildBlockHandler(ParameterFile& file, FunctionRef<void(Args...)> handler);
template<std::size_t N, typename K, typename V, typename... Rest> static void BuildKeyValues(ParameterFile& file, FixedVector<KeyValue, N>& keyValues, K&& key, V&& value, Rest&&... rest);
template<typename V, typename... Rest> static ValueHandler GetSingleHandler(ParameterFile& file, V&& value, Rest&&... rest);
template<typename T> static constexpr bool ShouldIgnoreImpl = std::is_same_v<T, List_t> || std::is_same_v<T, OptionalBlock_t>;
template<typename T> static constexpr bool ShouldIgnore = ShouldIgnoreImpl<std::decay_t<T>>;
template<typename... Args> void HandleInner(std::string_view listEnd, Args&&... args);
template<typename T> static T ReadValue(ParameterFile& file);
template<typename T> static constexpr bool ShouldIgnoreImpl = std::is_same_v<T, Array_t> || std::is_same_v<T, OptionalBlock_t>;
template<typename T> static constexpr bool ShouldIgnore = ShouldIgnoreImpl<std::decay_t<std::remove_const_t<T>>>;
bool EnsureLine(bool peek = false);
std::string ReadKeyword(bool peek = false);
std::string ReadString();
std::string m_currentLine;
std::size_t m_bufferOffset;
std::string m_buffer;
Stream& m_stream;
Token m_nextToken;
unsigned int m_currentLine;
};
class ParameterFileSection
{
friend ParameterFile;
public:
ParameterFileSection(const ParameterFileSection&) = default;
template<typename... Args> void Block(Args&&... args);
private:
inline ParameterFileSection(ParameterFile& file);
ParameterFile& m_file;
};
}

271
include/Nazara/Core/ParameterFile.inl
View File

@ -3,7 +3,9 @@
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Core/Log.hpp>
#include <NazaraUtils/TypeName.hpp>
#include <array>
#include <cassert>
#include <stdexcept>
#include <tuple>
#include <utility>
@ -12,71 +14,172 @@
namespace Nz
{
inline ParameterFile::ParameterFile(Stream& stream) :
m_stream(stream)
m_bufferOffset(0),
m_stream(stream),
m_currentLine(1)
{
}
template<typename... Args>
void ParameterFile::Block(Args&&... args)
void ParameterFile::Parse(Args&&... args)
{
using Types = TypeListTransform<TypeListTransform<TypeList<Args...>, std::remove_const>, std::decay>;
HandleInner<EndOfStream>(std::forward<Args>(args)...);
}
template<typename EndToken, typename... Args>
void ParameterFile::HandleInner(Args&&... args)
{
using Types = TypeListTransform<TypeList<Args...>, std::decay>;
constexpr bool IsArray = TypeListHas<Types, List_t>;
constexpr bool IsOptionalBlock = TypeListHas<Types, OptionalBlock_t>;
if constexpr (IsOptionalBlock)
if constexpr (IsArray)
{
std::string nextKeyword = ReadKeyword(true);
if (nextKeyword != "{")
return;
ValueHandler handler = GetSingleHandler(std::forward<Args>(args)...);
for (;;)
{
if (std::holds_alternative<EndToken>(PeekToken()))
break;
handler(*this);
}
}
std::string beginToken = ReadKeyword();
if (beginToken != "{")
throw std::runtime_error(Format("expected \"{{\" token, got {}", beginToken));
HandleInner("}", std::forward<Args>(args)...);
std::string endToken = ReadKeyword();
if (endToken != "}")
throw std::runtime_error(Format("expected \"}}\" token, got {}", endToken));
}
template<typename... Args>
void ParameterFile::Handle(Args&&... args)
{
HandleInner({}, std::forward<Args>(args)...);
}
template<std::size_t N, typename K, typename V, typename... Rest>
void ParameterFile::BuildKeyValues(ParameterFile& file, FixedVector<KeyValue, N>& keyValues, K&& key, V&& value, Rest&&... rest)
{
if constexpr (ShouldIgnore<K>)
return BuildKeyValues(file, keyValues, std::forward<V>(value), std::forward<Rest>(rest)...);
else
{
auto& keyValue = keyValues.emplace_back();
keyValue.key = BuildBlockKey(std::forward<K>(key));
keyValue.handler = BuildBlockHandler(file, std::forward<V>(value));
FixedVector<KeyValue, sizeof...(Args) / 2> keys;
BuildKeyValues(&keys, std::forward<Args>(args)...);
if constexpr (sizeof...(Rest) > 0)
BuildKeyValues(file, keyValues, std::forward<Rest>(rest)...);
for (;;)
{
if (std::holds_alternative<EndToken>(PeekToken()))
break;
Identifier nextIdentifier = Read<Identifier>();
auto it = std::find_if(keys.begin(), keys.end(), [&](const KeyValue& keyValue) { return keyValue.key == nextIdentifier.value; });
if (it == keys.end())
throw std::runtime_error(Format("unexpected keyword \"{}\"", nextIdentifier.value));
const ValueHandler& handler = it->handler;
handler(*this);
}
}
}
template<typename V, typename ...Rest>
auto ParameterFile::GetSingleHandler(ParameterFile& file, V&& value, Rest&&... rest) -> ValueHandler
template<typename T>
auto ParameterFile::Peek() -> T&
{
Token& token = PeekToken();
if (!std::holds_alternative<T>(token))
throw std::runtime_error(Format("expected {} on line {}", TypeName<T>(), m_currentLine));
return std::get<T>(token);
}
template<typename T>
auto ParameterFile::Read() -> T
{
Token token = std::move(m_nextToken);
if (!std::holds_alternative<T>(token))
throw std::runtime_error(Format("expected {} on line {}", TypeName<T>(), m_currentLine));
Advance();
return std::get<T>(token);
}
template<typename T>
T ParameterFile::ReadValue()
{
if constexpr (std::is_same_v<T, std::string>)
return Read<String>().value;
else if constexpr (std::is_same_v<T, Identifier>)
return Read<Identifier>();
else if constexpr (std::is_same_v<T, ParameterFileSection>)
return ParameterFileSection{ *this };
else
static_assert(AlwaysFalse<T>(), "unsupported type");
}
template<std::size_t N, typename K, typename... Rest>
void ParameterFile::BuildKeyValues(FixedVector<KeyValue, N>* keyValues, K&& key, Rest&&... rest)
{
if constexpr (ShouldIgnore<K>)
return BuildKeyValues(keyValues, std::forward<Rest>(rest)...);
else
{
assert(keyValues);
auto& keyValue = keyValues->emplace_back();
keyValue.key = BuildBlockKey(std::forward<K>(key));
keyValue.handler = BuildBlockHandler(keyValues, std::forward<Rest>(rest)...);
}
}
template<typename V, typename... Rest>
auto ParameterFile::GetSingleHandler(V&& value, Rest&&... rest) -> ValueHandler
{
if constexpr (ShouldIgnore<V>)
{
static_assert(sizeof...(Rest) > 0, "expected a handler");
return GetSingleHandler(file, std::forward<Rest>(rest)...);
return GetSingleHandler(std::forward<Rest>(rest)...);
}
else
{
static_assert(sizeof...(Rest) == 0, "expected a single handler");
return BuildBlockHandler(file, std::forward<V>(value));
return BuildBlockHandler(static_cast<FixedVector<KeyValue, 0>*>(nullptr), std::forward<V>(value));
}
}
template<std::size_t N, typename T, typename... Rest>
auto ParameterFile::BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, T* value, Rest&&... rest) -> ValueHandler
{
ValueHandler valueHandler = [value](ParameterFile& file)
{
*value = file.ReadValue<T>();
};
if constexpr (sizeof...(Rest) > 0)
BuildKeyValues(keyValues, std::forward<Rest>(rest)...);
return valueHandler;
}
template<std::size_t N, Functor T, typename... Rest>
auto ParameterFile::BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, T&& handler, Rest&&... rest) -> ValueHandler
{
using FunctionType = typename FunctionTraits<T>::FuncType;
return BuildBlockHandler(keyValues, FunctionRef<FunctionType>(handler), std::forward<Rest>(rest)...);
}
template<std::size_t N, typename O, typename... Args, typename... Rest>
auto ParameterFile::BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, void(O::* method)(Args...), O* object, Rest&&... rest) -> ValueHandler
{
ValueHandler valueHandler = [object, method](ParameterFile& file)
{
std::tuple<O*, Args...> args{ object, file.ReadValue<Args>()... };
std::apply(method, std::move(args));
};
if constexpr (sizeof...(Rest) > 0)
BuildKeyValues(keyValues, std::forward<Rest>(rest)...);
return valueHandler;
}
template<std::size_t N, typename... Args, typename... Rest>
auto ParameterFile::BuildBlockHandler(FixedVector<KeyValue, N>* keyValues, FunctionRef<void(Args...)> handler, Rest&&... rest) -> ValueHandler
{
ValueHandler valueHandler = [handler](ParameterFile& file)
{
std::tuple<Args...> args{ file.ReadValue<Args>()... };
std::apply(handler, std::move(args));
};
if constexpr (sizeof...(Rest) > 0)
BuildKeyValues(keyValues, std::forward<Rest>(rest)...);
return valueHandler;
}
template<typename T>
std::string_view ParameterFile::BuildBlockKey(T&& key)
{
@ -84,87 +187,35 @@ namespace Nz
return std::string_view(std::forward<T>(key));
}
template<typename... Args>
auto ParameterFile::BuildBlockHandler(ParameterFile& /*file*/, ValueHandler handler) -> ValueHandler
inline ParameterFileSection::ParameterFileSection(ParameterFile& file) :
m_file(file)
{
return handler;
}
template<typename T>
auto ParameterFile::BuildBlockHandler(ParameterFile& /*file*/, T* value) -> ValueHandler
template<typename ...Args>
void ParameterFileSection::Block(Args&&... args)
{
return [value](ParameterFile& file)
using Types = TypeListTransform<TypeList<Args...>, std::decay>;
constexpr bool IsOptionalBlock = TypeListHas<Types, ParameterFile::OptionalBlock_t>;
if constexpr (IsOptionalBlock)
{
*value = ReadValue<T>(file);
};
}
if (!std::holds_alternative<ParameterFile::OpenCurlyBracket>(m_file.PeekToken()))
return;
template<typename T>
auto ParameterFile::BuildBlockHandler(ParameterFile& file, T&& handler, std::enable_if_t<IsFunctor_v<T>>*) -> ValueHandler
{
using FunctionType = typename FunctionTraits<T>::FuncType;
return BuildBlockHandler(file, FunctionRef<FunctionType>(handler));
}
template<typename... Args>
auto ParameterFile::BuildBlockHandler(ParameterFile& /*file*/, FunctionRef<void(Args...)> handler) -> ValueHandler
{
return [handler](ParameterFile& file)
{
std::tuple<Args...> args{ ReadValue<Args>(file)... };
std::apply(handler, std::move(args));
};
}
template<typename... Args>
void ParameterFile::HandleInner(std::string_view listEnd, Args&&... args)
{
using Types = TypeListTransform<TypeListTransform<TypeList<Args...>, std::remove_const>, std::decay>;
constexpr bool IsArray = TypeListHas<Types, Array_t>;
if constexpr (IsArray)
{
ValueHandler handler = GetSingleHandler(*this, std::forward<Args>(args)...);
for (;;)
{
std::string nextKeyword = ReadKeyword(true);
if (nextKeyword == listEnd)
break;
handler(*this);
}
m_file.Advance();
}
else
{
FixedVector<KeyValue, sizeof...(Args) / 2> keys;
BuildKeyValues(*this, keys, std::forward<Args>(args)...);
for (;;)
{
std::string nextKeyword = ReadKeyword(true);
if (nextKeyword == listEnd)
break;
auto it = std::find_if(keys.begin(), keys.end(), [nextKeyword = ReadKeyword()](const KeyValue& keyValue) { return keyValue.key == nextKeyword; });
if (it == keys.end())
throw std::runtime_error(Format("unexpected keyword \"{}\"", nextKeyword));
const ValueHandler& handler = it->handler;
handler(*this);
}
if (!std::holds_alternative<ParameterFile::OpenCurlyBracket>(m_file.Advance()))
throw std::runtime_error(Format("expected OpenCurlyBracket on line {}", m_file.m_currentLine));
}
}
template<typename T>
T ParameterFile::ReadValue(ParameterFile& file)
{
if constexpr (std::is_same_v<T, std::string>)
return file.ReadString();
else if constexpr (std::is_same_v<T, Keyword>)
return Keyword{ file.ReadKeyword() };
else
static_assert(AlwaysFalse<T>(), "unsupported type");
m_file.HandleInner<ParameterFile::ClosingCurlyBracket>(std::forward<Args>(args)...);
if (!std::holds_alternative<ParameterFile::ClosingCurlyBracket>(m_file.Advance()))
throw std::runtime_error(Format("expected ClosingCurlyBracket on line {}", m_file.m_currentLine));
}
}

248
src/Nazara/Core/ParameterFile.cpp
View File

@ -9,106 +9,196 @@
namespace Nz
{
bool ParameterFile::EnsureLine(bool peek)
auto ParameterFile::Advance() -> Token
{
while (m_currentLine.find_first_not_of(" \r\t\n") == m_currentLine.npos)
auto IsAlphaNum = [&](char c)
{
m_currentLine.clear();
m_stream.ReadLine(m_currentLine);
if (m_currentLine.empty())
{
if (!peek)
throw std::runtime_error("unexpected end of file");
return std::isalnum(c) || c == '_';
};
return false;
// Remove processed tokens from buffer
m_buffer.erase(m_buffer.begin(), m_buffer.begin() + m_bufferOffset);
m_bufferOffset = 0;
Token currentToken = std::move(m_nextToken);
for (;;)
{
char c = PeekCharacter(0);
if (c == '\0')
{
m_nextToken = EndOfStream{};
return currentToken;
}
}
return true;
}
std::string ParameterFile::ReadKeyword(bool peek)
{
std::size_t beginOffset;
do
{
if (!EnsureLine(peek))
return {};
beginOffset = m_currentLine.find_first_not_of(" \r\t\n");
} while (beginOffset == m_currentLine.npos);
if (m_currentLine[beginOffset] == '"')
throw std::runtime_error("expected a keyword, got a string");
std::size_t endOffset = m_currentLine.find_first_of(" \r\t\n", beginOffset + 1);
if (endOffset == m_currentLine.npos)
endOffset = m_currentLine.size();
std::string currentToken = std::string(m_currentLine.substr(beginOffset, endOffset - beginOffset));
if (!peek)
m_currentLine.erase(m_currentLine.begin(), m_currentLine.begin() + endOffset);
return currentToken;
}
std::string ParameterFile::ReadString()
{
std::size_t beginOffset;
do
{
EnsureLine();
beginOffset = m_currentLine.find_first_not_of(" \r\t\n");
} while (beginOffset == m_currentLine.npos);
if (m_currentLine[beginOffset] != '"')
throw std::runtime_error("expected a string, got a keyword");
std::string str;
for (std::size_t i = beginOffset + 1; i < m_currentLine.size(); ++i)
{
switch (m_currentLine[i])
switch (c)
{
case '\0':
case '\n':
case ' ':
case '\t':
case '\r':
throw std::runtime_error("expected a string, got a keyword");
break; //< Ignore blank spaces
case '"':
case '\n':
m_currentLine++;
break;
case '{':
ConsumeChar();
m_nextToken = OpenCurlyBracket{};
return currentToken;
case '}':
ConsumeChar();
m_nextToken = ClosingCurlyBracket{};
return currentToken;
case '/':
{
m_currentLine.erase(m_currentLine.begin(), m_currentLine.begin() + beginOffset + i);
return str;
}
case '\\':
{
i++;
char character;
switch (m_currentLine[i])
char next = PeekCharacter();
if (next == '/')
{
case 'n': character = '\n'; break;
case 'r': character = '\r'; break;
case 't': character = '\t'; break;
case '"': character = '"'; break;
case '\\': character = '\\'; break;
default:
throw std::runtime_error(Format("unrecognized character {}", character));
// Line comment
do
{
ConsumeChar();
next = PeekCharacter();
}
while (next != '\0' && next != '\n');
}
else if (next == '*')
{
// Block comment
for (;;)
{
ConsumeChar();
next = PeekCharacter();
if (next == '*')
{
if (PeekCharacter(2) == '/')
{
ConsumeChar(2);
break;
}
}
else if (next == '\n')
m_currentLine++;
else if (next == '\0')
throw std::runtime_error(Format("unfinished block comment on line {}", m_currentLine));
}
}
str.push_back(character);
break;
}
case '"':
{
// string literal
ConsumeChar();
std::string literal;
char cur;
while ((cur = PeekCharacter(0)) != '"')
{
char character;
switch (cur)
{
case '\0':
case '\n':
case '\r':
throw std::runtime_error(Format("unfinished string on line {}", m_currentLine));
case '\\':
{
ConsumeChar();
char next = PeekCharacter(0);
switch (next)
{
case 'n': character = '\n'; break;
case 'r': character = '\r'; break;
case 't': character = '\t'; break;
case '"': character = '"'; break;
case '\\': character = '\\'; break;
default:
throw std::runtime_error(Format("unrecognized character on line {}", m_currentLine));
}
break;
}
default:
character = cur;
break;
}
literal.push_back(character);
ConsumeChar();
}
ConsumeChar();
m_nextToken = String{ std::move(literal) };
return currentToken;
}
default:
str.push_back(m_currentLine[i]);
{
if (IsAlphaNum(c))
{
// Identifier or keyword
std::size_t start = m_bufferOffset;
while (IsAlphaNum(PeekCharacter()))
ConsumeChar();
m_nextToken = Identifier{ m_buffer.substr(start, m_bufferOffset - start) };
return currentToken;
}
else
throw std::runtime_error(Format("unrecognized token on line {}", m_currentLine));
}
}
ConsumeChar();
}
}
void ParameterFile::ConsumeChar(std::size_t count)
{
assert(m_bufferOffset < m_buffer.size());
assert(m_bufferOffset + count <= m_buffer.size());
m_bufferOffset += count;
}
auto ParameterFile::PeekToken() -> Token&
{
if (std::holds_alternative<std::monostate>(m_nextToken))
Advance();
return m_nextToken;
}
char ParameterFile::PeekCharacter(std::size_t advance)
{
constexpr std::size_t Capacity = 512;
if NAZARA_UNLIKELY(m_bufferOffset + advance >= m_buffer.size())
{
if NAZARA_UNLIKELY(m_stream.EndOfStream())
return '\0';
std::size_t prevSize = m_buffer.size();
m_buffer.resize(prevSize + Capacity);
std::size_t readSize = m_stream.Read(&m_buffer[prevSize], Capacity);
m_buffer.resize(prevSize + readSize);
if (m_bufferOffset + advance >= m_buffer.size())
return '\0';
}
throw std::runtime_error("unfinished string");
return m_buffer[m_bufferOffset];
}
// Required for MinGW (it tris to import those symbols, probably a bug)
constexpr ParameterFile::Array_t ParameterFile::Array;
constexpr ParameterFile::List_t ParameterFile::List;
constexpr ParameterFile::OptionalBlock_t ParameterFile::OptionalBlock;
}

42
src/Nazara/Graphics/Formats/PipelinePassListLoader.cpp
View File

@ -26,24 +26,15 @@ namespace Nz::Loaders
{
std::string finalOutputAttachment;
m_paramFile.Handle(
"passlist", [&](std::string passListName)
m_paramFile.Parse(
"passlist", [&](ParameterFileSection section, std::string passListName)
{
m_current.emplace();
m_current->passList = std::make_shared<PipelinePassList>();
m_paramFile.Block(
"attachment", [this](std::string attachmentName)
{
HandleAttachment(std::move(attachmentName));
},
"attachmentproxy", [this](std::string proxyName, std::string targetName)
{
HandleAttachmentProxy(std::move(proxyName), std::move(targetName));
},
"pass", [this](std::string passName)
{
HandlePass(std::move(passName));
},
section.Block(
"attachment", &PassListLoader::HandleAttachment, this,
"attachmentproxy", &PassListLoader::HandleAttachmentProxy, this,
"pass", &PassListLoader::HandlePass, this,
"output", &finalOutputAttachment
);
}
@ -73,11 +64,11 @@ namespace Nz::Loaders
}
private:
void HandleAttachment(std::string attachmentName)
void HandleAttachment(ParameterFileSection section, std::string attachmentName)
{
std::string format;
m_paramFile.Block(
section.Block(
"format", &format
);
@ -134,7 +125,7 @@ namespace Nz::Loaders
m_current->attachmentsByName.emplace(std::move(proxyName), proxyId);
}
void HandlePass(std::string passName)
void HandlePass(ParameterFileSection section, std::string passName)
{
struct InputOutput
{
@ -150,17 +141,18 @@ namespace Nz::Loaders
std::vector<InputOutput> outputs;
std::vector<std::string> flags;
m_paramFile.Block(
section.Block(
"depthstencilinput", &depthstencilInput,
"depthstenciloutput", &depthstencilOutput,
"impl", [&](std::string passImpl)
"impl", [&](ParameterFileSection implSection, std::string passImpl)
{
impl = std::move(passImpl);
m_paramFile.Block(ParameterFile::OptionalBlock,
ParameterFile::Array, [&](ParameterFile::Keyword key, std::string value)
{
implConfig.SetParameter(std::move(key.str), std::move(value));
});
implSection.Block(ParameterFile::OptionalBlock,
ParameterFile::List, [&](ParameterFile::Identifier key, std::string value)
{
implConfig.SetParameter(std::move(key.value), std::move(value));
}
);
},
"input", [&](std::string name, std::string attachment)
{