mirror of https://github.com/Icinga/icinga2.git
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef CONFIGCOMPILER_H
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#define CONFIGCOMPILER_H
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#include "config/i2-config.h"
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#include "config/debuginfo.h"
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#include "base/registry.h"
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#include <iostream>
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#include <boost/function.hpp>
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namespace icinga
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{
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/**
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* The configuration compiler can be used to compile a configuration file
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* into a number of configuration items.
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*
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* @ingroup config
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*/
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class I2_CONFIG_API ConfigCompiler
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{
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public:
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typedef boost::function<void (const String&, bool, const DebugInfo&)> HandleIncludeFunc;
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explicit ConfigCompiler(const String& path, std::istream *input,
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HandleIncludeFunc includeHandler = &ConfigCompiler::HandleFileInclude);
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virtual ~ConfigCompiler(void);
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void Compile(void);
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static void CompileStream(const String& path, std::istream *stream);
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static void CompileFile(const String& path);
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static void CompileText(const String& path, const String& text);
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static void AddIncludeSearchDir(const String& dir);
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String GetPath(void) const;
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static void HandleFileInclude(const String& include, bool search,
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const DebugInfo& debuginfo);
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/* internally used methods */
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void HandleInclude(const String& include, bool search, const DebugInfo& debuginfo);
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void HandleLibrary(const String& library);
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size_t ReadInput(char *buffer, size_t max_bytes);
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void *GetScanner(void) const;
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private:
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String m_Path;
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std::istream *m_Input;
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HandleIncludeFunc m_HandleInclude;
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void *m_Scanner;
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static std::vector<String> m_IncludeSearchDirs;
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void InitializeScanner(void);
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void DestroyScanner(void);
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};
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class I2_CONFIG_API ConfigFragmentRegistry : public Registry<ConfigFragmentRegistry, String>
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{ };
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/**
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* Helper class for registering config fragments.
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*
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* @ingroup base
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*/
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class RegisterConfigFragmentHelper
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{
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public:
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RegisterConfigFragmentHelper(const String& name, const String& fragment)
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{
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ConfigFragmentRegistry::GetInstance()->Register(name, fragment);
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}
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};
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#define REGISTER_CONFIG_FRAGMENT(id, name, fragment) \
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I2_EXPORT icinga::RegisterConfigFragmentHelper g_RegisterCF_ ## id(name, fragment)
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}
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#endif /* CONFIGCOMPILER_H */
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