mirror of https://github.com/Icinga/icinga2.git
281 lines
8.0 KiB
C++
281 lines
8.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 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 "config/configtype.hpp"
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#include "config/vmops.hpp"
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#include "base/objectlock.hpp"
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#include "base/convert.hpp"
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#include "base/singleton.hpp"
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#include "base/function.hpp"
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#include <boost/foreach.hpp>
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using namespace icinga;
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ConfigType::ConfigType(const String& name, const DebugInfo& debuginfo)
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: m_Name(name), m_RuleList(new TypeRuleList()), m_DebugInfo(debuginfo)
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{ }
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String ConfigType::GetName(void) const
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{
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return m_Name;
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}
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String ConfigType::GetParent(void) const
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{
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return m_Parent;
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}
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void ConfigType::SetParent(const String& parent)
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{
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m_Parent = parent;
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}
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TypeRuleList::Ptr ConfigType::GetRuleList(void) const
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{
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return m_RuleList;
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}
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DebugInfo ConfigType::GetDebugInfo(void) const
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{
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return m_DebugInfo;
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}
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void ConfigType::AddParentRules(std::vector<TypeRuleList::Ptr>& ruleLists, const ConfigType::Ptr& item)
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{
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ConfigType::Ptr parent;
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if (item->m_Parent.IsEmpty()) {
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if (item->GetName() != "DynamicObject")
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parent = ConfigType::GetByName("DynamicObject");
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} else {
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parent = ConfigType::GetByName(item->m_Parent);
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}
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if (parent) {
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AddParentRules(ruleLists, parent);
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ruleLists.push_back(parent->m_RuleList);
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}
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}
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void ConfigType::ValidateItem(const String& name, const Object::Ptr& object, const DebugInfo& debugInfo, const TypeRuleUtilities *utils)
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{
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String location = "Object '" + name + "' (Type: '" + GetName() + "')";
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if (!debugInfo.Path.IsEmpty())
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location += " at " + debugInfo.Path + ":" + Convert::ToString(debugInfo.FirstLine);
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std::vector<String> locations;
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locations.push_back(location);
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std::vector<TypeRuleList::Ptr> ruleLists;
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AddParentRules(ruleLists, this);
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ruleLists.push_back(m_RuleList);
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ValidateObject(object, ruleLists, locations, utils);
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}
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String ConfigType::LocationToString(const std::vector<String>& locations)
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{
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bool first = true;
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String stack;
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BOOST_FOREACH(const String& location, locations) {
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if (!first)
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stack += " -> ";
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else
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first = false;
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stack += location;
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}
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return stack;
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}
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void ConfigType::ValidateAttribute(const String& key, const Value& value,
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const std::vector<TypeRuleList::Ptr>& ruleLists, std::vector<String>& locations,
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const TypeRuleUtilities *utils)
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{
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TypeValidationResult overallResult = ValidationUnknownField;
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std::vector<TypeRuleList::Ptr> subRuleLists;
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String hint;
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locations.push_back("Key " + key);
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BOOST_FOREACH(const TypeRuleList::Ptr& ruleList, ruleLists) {
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TypeRuleList::Ptr subRuleList;
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TypeValidationResult result = ruleList->ValidateAttribute(key, value, &subRuleList, &hint, utils);
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if (subRuleList)
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subRuleLists.push_back(subRuleList);
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if (overallResult == ValidationOK)
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continue;
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if (result == ValidationOK) {
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overallResult = result;
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continue;
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}
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if (result == ValidationInvalidType)
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overallResult = result;
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}
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if (overallResult == ValidationUnknownField)
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BOOST_THROW_EXCEPTION(ScriptError("Unknown attribute: " + LocationToString(locations)));
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else if (overallResult == ValidationInvalidType) {
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String message = "Invalid value: " + LocationToString(locations);
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if (!hint.IsEmpty())
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message += ": " + hint;
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BOOST_THROW_EXCEPTION(ScriptError(message));
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}
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if (!subRuleLists.empty() && value.IsObject() && !value.IsObjectType<Array>())
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ValidateObject(value, subRuleLists, locations, utils);
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else if (!subRuleLists.empty() && value.IsObjectType<Array>())
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ValidateArray(value, subRuleLists, locations, utils);
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locations.pop_back();
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}
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void ConfigType::ValidateObject(const Object::Ptr& object,
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const std::vector<TypeRuleList::Ptr>& ruleLists, std::vector<String>& locations,
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const TypeRuleUtilities *utils)
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{
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BOOST_FOREACH(const TypeRuleList::Ptr& ruleList, ruleLists) {
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BOOST_FOREACH(const String& require, ruleList->GetRequires()) {
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locations.push_back("Attribute '" + require + "'");
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Value value = VMOps::GetField(object, require);
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if (value.IsEmpty())
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BOOST_THROW_EXCEPTION(ScriptError("Required attribute is missing: " + LocationToString(locations)));
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locations.pop_back();
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}
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String validator = ruleList->GetValidator();
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if (!validator.IsEmpty()) {
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Function::Ptr func = ScriptGlobal::Get(validator, &Empty);
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if (!func)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Validator function '" + validator + "' does not exist."));
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std::vector<Value> arguments;
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arguments.push_back(LocationToString(locations));
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arguments.push_back(object);
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func->Invoke(arguments);
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}
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}
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Dictionary::Ptr dictionary = dynamic_pointer_cast<Dictionary>(object);
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if (dictionary) {
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ObjectLock olock(dictionary);
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BOOST_FOREACH(const Dictionary::Pair& kv, dictionary) {
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ValidateAttribute(kv.first, kv.second, ruleLists, locations, utils);
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}
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} else {
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Type::Ptr type = object->GetReflectionType();
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if (!type)
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return;
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for (int i = 0; i < type->GetFieldCount(); i++) {
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Field field = type->GetFieldInfo(i);
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if (!(field.Attributes & FAConfig))
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continue;
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ValidateAttribute(field.Name, object->GetField(i), ruleLists, locations, utils);
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}
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}
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}
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void ConfigType::ValidateArray(const Array::Ptr& array,
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const std::vector<TypeRuleList::Ptr>& ruleLists, std::vector<String>& locations,
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const TypeRuleUtilities *utils)
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{
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BOOST_FOREACH(const TypeRuleList::Ptr& ruleList, ruleLists) {
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BOOST_FOREACH(const String& require, ruleList->GetRequires()) {
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size_t index = Convert::ToLong(require);
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locations.push_back("Attribute '" + require + "'");
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if (array->GetLength() < index)
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BOOST_THROW_EXCEPTION(ScriptError("Required array index is missing: " + LocationToString(locations)));
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locations.pop_back();
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}
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String validator = ruleList->GetValidator();
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if (!validator.IsEmpty()) {
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Function::Ptr func = ScriptGlobal::Get(validator, &Empty);
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if (!func)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Validator function '" + validator + "' does not exist."));
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std::vector<Value> arguments;
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arguments.push_back(LocationToString(locations));
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arguments.push_back(array);
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func->Invoke(arguments);
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}
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}
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ObjectLock olock(array);
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int index = 0;
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String key;
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BOOST_FOREACH(const Value& value, array) {
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key = Convert::ToString(index);
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index++;
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ValidateAttribute(key, value, ruleLists, locations, utils);
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}
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}
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void ConfigType::Register(void)
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{
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ConfigTypeRegistry::GetInstance()->Register(GetName(), this);
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}
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ConfigType::Ptr ConfigType::GetByName(const String& name)
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{
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return ConfigTypeRegistry::GetInstance()->GetItem(name);
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}
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ConfigTypeRegistry::ItemMap ConfigType::GetTypes(void)
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{
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return ConfigTypeRegistry::GetInstance()->GetItems();
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}
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void ConfigType::DiscardTypes(void)
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{
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ConfigTypeRegistry::GetInstance()->Clear();
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}
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ConfigTypeRegistry *ConfigTypeRegistry::GetInstance(void)
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{
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return Singleton<ConfigTypeRegistry>::GetInstance();
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}
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