mirror of
https://github.com/Icinga/icinga2.git
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93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 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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#include "i2-icinga.h"
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using namespace icinga;
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Value MacroProcessor::ResolveMacros(const Value& cmd, const Dictionary::Ptr& macros)
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{
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Value result;
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if (cmd.IsScalar()) {
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result = InternalResolveMacros(cmd, macros);
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} else if (cmd.IsObjectType<Dictionary>()) {
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Dictionary::Ptr resultDict = boost::make_shared<Dictionary>();
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Dictionary::Ptr dict = cmd;
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Value arg;
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BOOST_FOREACH(tie(tuples::ignore, arg), dict) {
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resultDict->Add(InternalResolveMacros(arg, macros));
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}
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result = resultDict;
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} else {
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BOOST_THROW_EXCEPTION(invalid_argument("Command is not a string or dictionary."));
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}
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return result;
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}
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String MacroProcessor::InternalResolveMacros(const String& str, const Dictionary::Ptr& macros)
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{
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size_t offset, pos_first, pos_second;
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offset = 0;
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String result = str;
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while ((pos_first = result.FindFirstOf("$", offset)) != String::NPos) {
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pos_second = result.FindFirstOf("$", pos_first + 1);
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if (pos_second == String::NPos)
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BOOST_THROW_EXCEPTION(runtime_error("Closing $ not found in macro format String."));
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String name = result.SubStr(pos_first + 1, pos_second - pos_first - 1);
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if (!macros || !macros->Contains(name))
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BOOST_THROW_EXCEPTION(runtime_error("Macro '" + name + "' is not defined."));
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String value = macros->Get(name);
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result.Replace(pos_first, pos_second - pos_first + 1, value);
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offset = pos_first + value.GetLength();
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}
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return result;
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}
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Dictionary::Ptr MacroProcessor::MergeMacroDicts(const vector<Dictionary::Ptr>& dicts)
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{
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Dictionary::Ptr result = boost::make_shared<Dictionary>();
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BOOST_REVERSE_FOREACH(const Dictionary::Ptr& dict, dicts) {
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if (!dict)
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continue;
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String key;
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Value value;
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BOOST_FOREACH(tie(key, value), dict) {
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if (!value.IsScalar())
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continue;
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result->Set(key, value);
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}
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}
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return result;
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}
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