icinga2/lib/config/configcompiler.h

90 lines
3.4 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* 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 2 *
* 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, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef CONFIGCOMPILER_H
#define CONFIGCOMPILER_H
namespace icinga
{
/**
* The configuration compiler can be used to compile a configuration file
* into a number of configuration items.
*
* @ingroup config
*/
class I2_CONFIG_API ConfigCompiler
{
public:
typedef function<void (const String&, bool, vector<ConfigItem::Ptr> *, vector<ConfigType::Ptr> *)> HandleIncludeFunc;
ConfigCompiler(const String& path, istream *input = &cin,
HandleIncludeFunc includeHandler = &ConfigCompiler::HandleFileInclude);
virtual ~ConfigCompiler(void);
void Compile(void);
static void CompileStream(const String& path,
istream *stream, vector<ConfigItem::Ptr> *resultItems, vector<ConfigType::Ptr> *resultTypes);
static void CompileFile(const String& path, vector<ConfigItem::Ptr> *resultItems, vector<ConfigType::Ptr> *resultTypes);
static void CompileText(const String& path,
const String& text, vector<ConfigItem::Ptr> *resultItems, vector<ConfigType::Ptr> *resultTypes);
static void AddIncludeSearchDir(const String& dir);
vector<ConfigItem::Ptr> GetResultObjects(void) const;
vector<ConfigType::Ptr> GetResultTypes(void) const;
String GetPath(void) const;
static void HandleFileInclude(const String& include, bool search,
vector<ConfigItem::Ptr> *resultItems, vector<ConfigType::Ptr> *resultTypes);
/* internally used methods */
void HandleInclude(const String& include, bool search);
void HandleLibrary(const String& library);
void AddObject(const ConfigItem::Ptr& object);
void AddType(const ConfigType::Ptr& type);
ConfigType::Ptr GetTypeByName(const String& name) const;
size_t ReadInput(char *buffer, size_t max_bytes);
void *GetScanner(void) const;
private:
String m_Path;
istream *m_Input;
HandleIncludeFunc m_HandleInclude;
void *m_Scanner;
vector<ConfigItem::Ptr> m_ResultObjects;
map<String, ConfigType::Ptr> m_ResultTypes;
static vector<String> m_IncludeSearchDirs;
void InitializeScanner(void);
void DestroyScanner(void);
};
}
#endif /* CONFIGCOMPILER_H */