icinga2/lib/config/configitembuilder.cpp
2026-03-26 15:01:15 +01:00

148 lines
3.9 KiB
C++

// SPDX-FileCopyrightText: 2012 Icinga GmbH <https://icinga.com>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "config/configitembuilder.hpp"
#include "base/configtype.hpp"
#include "base/logger.hpp"
#include <sstream>
using namespace icinga;
ConfigItemBuilder::ConfigItemBuilder(const DebugInfo& debugInfo)
: m_Abstract(false), m_DefaultTmpl(false), m_IgnoreOnError(false)
{
m_DebugInfo = debugInfo;
}
void ConfigItemBuilder::SetType(const Type::Ptr& type)
{
ASSERT(type);
m_Type = type;
}
void ConfigItemBuilder::SetName(const String& name)
{
m_Name = name;
}
void ConfigItemBuilder::SetAbstract(bool abstract)
{
m_Abstract = abstract;
}
void ConfigItemBuilder::SetScope(const Dictionary::Ptr& scope)
{
m_Scope = scope;
}
void ConfigItemBuilder::SetZone(const String& zone)
{
m_Zone = zone;
}
void ConfigItemBuilder::SetPackage(const String& package)
{
m_Package = package;
}
void ConfigItemBuilder::AddExpression(Expression *expr)
{
m_Expressions.emplace_back(expr);
}
void ConfigItemBuilder::SetFilter(const Expression::Ptr& filter)
{
m_Filter = filter;
}
void ConfigItemBuilder::SetDefaultTemplate(bool defaultTmpl)
{
m_DefaultTmpl = defaultTmpl;
}
void ConfigItemBuilder::SetIgnoreOnError(bool ignoreOnError)
{
m_IgnoreOnError = ignoreOnError;
}
ConfigItem::Ptr ConfigItemBuilder::Compile()
{
if (!m_Type) {
std::ostringstream msgbuf;
msgbuf << "The type of an object must be specified";
BOOST_THROW_EXCEPTION(ScriptError(msgbuf.str(), m_DebugInfo));
}
auto *ctype = dynamic_cast<ConfigType *>(m_Type.get());
if (!ctype) {
std::ostringstream msgbuf;
msgbuf << "The type '" + m_Type->GetName() + "' cannot be used for config objects";
BOOST_THROW_EXCEPTION(ScriptError(msgbuf.str(), m_DebugInfo));
}
if (m_Name.FindFirstOf("!") != String::NPos) {
std::ostringstream msgbuf;
msgbuf << "Name for object '" << m_Name << "' of type '" << m_Type->GetName() << "' is invalid: Object names may not contain '!'";
BOOST_THROW_EXCEPTION(ScriptError(msgbuf.str(), m_DebugInfo));
}
const auto& classic = std::locale::classic();
if (!m_Name.IsEmpty() && (std::isspace(m_Name[0], classic) || std::isspace(m_Name[m_Name.GetLength() - 1], classic))) {
std::ostringstream oss;
ShowCodeLocation(oss, m_DebugInfo, false);
Log(LogWarning, "config")
<< "Object name of type '" << m_Type->GetName() << "' contains leading/trailing whitespace.\n" << oss.str();
}
if (m_Name.GetLength() > 255) {
std::ostringstream oss;
ShowCodeLocation(oss, m_DebugInfo, false);
Log(LogWarning, "config")
<< "Object name of type '" << m_Type->GetName() << "' is too long (length: " << m_Name.GetLength()
<< ", max: 255).\n" << oss.str();
}
if (std::any_of(m_Name.Begin(), m_Name.End(), [&](char c) { return std::iscntrl(c, classic); })) {
std::ostringstream oss;
ShowCodeLocation(oss, m_DebugInfo, false);
Log(LogWarning, "config")
<< "Object name of type '" << m_Type->GetName()
<< "' contains ctrl or newline characters, which may cause problems in some contexts.\n" << oss.str();
}
std::vector<std::unique_ptr<Expression> > exprs;
Array::Ptr templateArray = new Array({ m_Name });
exprs.emplace_back(new SetExpression(MakeIndexer(ScopeThis, "templates"), OpSetAdd,
std::unique_ptr<LiteralExpression>(new LiteralExpression(templateArray)), m_DebugInfo));
#ifdef I2_DEBUG
if (!m_Abstract) {
bool foundDefaultImport = false;
for (const std::unique_ptr<Expression>& expr : m_Expressions) {
if (dynamic_cast<ImportDefaultTemplatesExpression *>(expr.get())) {
foundDefaultImport = true;
break;
}
}
ASSERT(foundDefaultImport);
}
#endif /* I2_DEBUG */
auto *dexpr = new DictExpression(std::move(m_Expressions), m_DebugInfo);
dexpr->MakeInline();
exprs.emplace_back(dexpr);
auto exprl = new DictExpression(std::move(exprs), m_DebugInfo);
exprl->MakeInline();
return new ConfigItem(m_Type, m_Name, m_Abstract, exprl, m_Filter,
m_DefaultTmpl, m_IgnoreOnError, m_DebugInfo, m_Scope, m_Zone, m_Package);
}