ddl/ddlgenerators/generator_library/headerrepresentation/header_printer.h
2019-12-12 14:41:47 +01:00

145 lines
5 KiB
C++

/**
* @file
*
* @copyright
* @verbatim
Copyright @ 2017 Audi Electronics Venture GmbH. All rights reserved.
This Source Code Form is subject to the terms of the Mozilla
Public License, v. 2.0. If a copy of the MPL was not distributed
with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file, then
You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a notice.
You may add additional accurate notices of copyright ownership.
@endverbatim
*/
#include "header_type.h"
#include "header_visitor_intf.h"
namespace ddl
{
/**
* Vector type for type objects
*/
typedef std::vector<const HeaderType*> HeaderConstTypes;
/**
* This class creates the header file string.
* @remark The class will not take ownership of any pointers passed.
*/
class HeaderPrinter : public IHeaderVisitor
{
public:
/**
* Constructor
*/
HeaderPrinter();
/**
* Destructor
*/
virtual ~HeaderPrinter();
/**
* The method writeToFile writes the header string to the specified file.
* Existing files will be overwritten.
*
* @param [in] filename The path of the file to write to.
* @returns Standard result code.
* @retval ERR_NOERROR Everything went fine.
* @retval ERR_OPEN_FAILED The file could not be opened.
* @retval ERR_PATH_NOT_FOUND The directory containing the file does not exist.
*/
a_util::result::Result writeToFile(const a_util::filesystem::Path &filename);
/**
* The method getHeader returns the textual representation of the header.
* If no header has been parsed yet, the string will be empty.
*
* @returns The header as a string.
*/
const std::string& getHeader();
public: // implements IHeaderVisitor
a_util::result::Result visit(const Header* header);
a_util::result::Result visit(const HeaderBasicType* basic_type);
a_util::result::Result visit(const HeaderTypedef* type_def);
a_util::result::Result visit(const HeaderConstant* constant);
a_util::result::Result visit(const HeaderStruct* header_struct);
a_util::result::Result visit(const HeaderStructElement* struct_element);
a_util::result::Result visit(const HeaderEnum* header_enum);
void SetNamespace(const std::string name_space);
private:
/**
* The method appendType looks for a type identified by its name.
* If the type is found, it is visited for printing.
*
* @param [in] strName The type.
* @returns Standard result code.
* @retval ERR_NOERROR The type was found and appended
* @retval ERR_NOT_FOUND The type could not be found
*/
a_util::result::Result appendType(const HeaderType* type);
/**
* The method CollectType can be used for collecting types that occur during printing.
* This method is used to fill the list of known and unknown types.
* A type is unknown, if its just used, and known, if its defined.
*
* @param [in] type The type to be collected. The class does not take ownership of the type.
* @param [in] is_known Whether this type is known or not.
* @returns Standard result code.
* @retval ERR_NOERROR Everything went fine
*/
a_util::result::Result CollectType(const HeaderType* type, bool is_known);
/**
* The method printUnknownTypes prints the names of all types that occured during parsing
* and are not defined inside the header.
*
* @returns Standard result code.
* @retval ERR_NOERROR Everything went fine
*/
a_util::result::Result printUnknownTypes();
/**
* Helper method to print the description and/or comment of a type to the header.
* Only prints anything if either description or comment are non empty
*/
a_util::result::Result printDescription(const std::string& description, const std::string& comment, bool indent = false);
/**
* Helper method to print the description and/or comment of a type to the header.
* Only prints anything if either description or comment are non empty
*/
a_util::result::Result printDescription(const HeaderType* type);
/// The header to be parsed
const Header* _header;
/// The string containing the output of the printer
std::string _header_output;
/// The vector of known types
HeaderConstTypes _known_types;
/// The vector of unknown types
HeaderConstTypes _unknown_types;
std::string _name_space;
static std::string addHeaderGuards(const a_util::filesystem::Path &filename, const std::string &ungarded_header_content);
};
}