icinga2/dyn/configcompiler.cpp

102 lines
3.3 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. *
******************************************************************************/
#include "i2-dyn.h"
using std::ifstream;
using namespace icinga;
ConfigCompiler::ConfigCompiler(const string& path, istream *input, HandleIncludeFunc includeHandler)
: m_Path(path), m_Input(input), m_HandleInclude(includeHandler)
{
InitializeScanner();
}
ConfigCompiler::~ConfigCompiler(void)
{
DestroyScanner();
}
size_t ConfigCompiler::ReadInput(char *buffer, size_t max_size)
{
m_Input->read(buffer, max_size);
return static_cast<size_t>(m_Input->gcount());
}
void *ConfigCompiler::GetScanner(void) const
{
return m_Scanner;
}
vector<ConfigItem::Ptr> ConfigCompiler::GetResult(void) const
{
return m_Result;
}
string ConfigCompiler::GetPath(void) const
{
return m_Path;
}
void ConfigCompiler::HandleInclude(const string& include)
{
string path = Utility::DirName(GetPath()) + "/" + include;
vector<ConfigItem::Ptr> items = m_HandleInclude(path);
std::copy(items.begin(), items.end(), back_inserter(m_Result));
}
vector<ConfigItem::Ptr> ConfigCompiler::CompileStream(const string& path, istream *stream)
{
ConfigCompiler ctx(path, stream);
ctx.Compile();
return ctx.GetResult();
}
vector<ConfigItem::Ptr> ConfigCompiler::CompileFile(const string& path)
{
ifstream stream;
stream.exceptions(ifstream::badbit);
stream.open(path.c_str(), ifstream::in);
if (!stream.good())
throw invalid_argument("Could not open config file: " + path);
Logger::Write(LogInformation, "dyn", "Compiling config file: " + path);
return CompileStream(path, &stream);
}
vector<ConfigItem::Ptr> ConfigCompiler::CompileText(const string& path, const string& text)
{
stringstream stream(text);
return CompileStream(path, &stream);
}
vector<ConfigItem::Ptr> ConfigCompiler::HandleFileInclude(const string& include)
{
/* TODO: implement wildcard includes */
return CompileFile(include);
}
void ConfigCompiler::AddObject(const ConfigItem::Ptr& object)
{
m_Result.push_back(object);
}