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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file ImportIncludeHandler.hpp
*
* Contains the conceptually similar handlers for the "include" and "import"
* commands.
*
* @author Andreas Stöckel (astoecke@techfak.uni-bielefeld.de)
*/
#ifndef _OUSIA_IMPORT_INCLUDE_HANDLER_HPP_
#define _OUSIA_IMPORT_INCLUDE_HANDLER_HPP_
#include <core/common/Variant.hpp>
#include "Handler.hpp"
namespace ousia {
namespace parser_stack {
/**
* The ImportHandler is responsible for handling the "import" command. An import
* creates a reference to a specified file. The specified file is parsed (if
* this has not already been done) outside of the context of the current file.
* If the specified resource has already been parsed, a reference to the already
* parsed file is inserted. Imports are only possible before no other content
* has been parsed.
*/
class ImportHandler : public StaticFieldHandler {
public:
using StaticFieldHandler::StaticFieldHandler;
void doHandle(const Variant &fieldData,
Variant::mapType &args) override;
/**
* Creates a new instance of the ImportHandler.
*
* @param handlerData is the data that is passed to the constructor of the
* Handler base class and used there to e.g. access the ParserContext and
* the Callbacks instance.
*/
static Handler *create(const HandlerData &handlerData)
{
return new ImportHandler{handlerData, "src"};
}
};
/**
* The IncludeHandler is responsible for handling the "include" command. The
* included file is parsed in the context of the current file and will change
* the content that is currently being parsed. Includes are possible at (almost)
* any position in the source file.
*/
class IncludeHandler : public StaticFieldHandler {
public:
using StaticFieldHandler::StaticFieldHandler;
void doHandle(const Variant &fieldData,
Variant::mapType &args) override;
/**
* Creates a new instance of the IncludeHandler.
*
* @param handlerData is the data that is passed to the constructor of the
* Handler base class and used there to e.g. access the ParserContext and
* the Callbacks instance.
*/
static Handler *create(const HandlerData &handlerData)
{
return new IncludeHandler{handlerData, "src"};
}
};
namespace States {
/**
* State representing the "import" command.
*/
extern const State Import;
/**
* State representing the "include" command.
*/
extern const State Include;
}
}
}
#endif
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