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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef MACROPROCESSOR_H
#define MACROPROCESSOR_H
#include "icinga/i2-icinga.hpp"
#include "icinga/checkable.hpp"
#include "base/value.hpp"
#include <vector>
namespace icinga
{
/**
* Resolves macros.
*
* @ingroup icinga
*/
class MacroProcessor
{
public:
typedef std::function<Value (const Value&)> EscapeCallback;
typedef std::pair<String, Object::Ptr> ResolverSpec;
typedef std::vector<ResolverSpec> ResolverList;
static Value ResolveMacros(const Value& str, const ResolverList& resolvers,
const CheckResult::Ptr& cr = nullptr, String *missingMacro = nullptr,
const EscapeCallback& escapeFn = EscapeCallback(),
const Dictionary::Ptr& resolvedMacros = nullptr,
bool useResolvedMacros = false, int recursionLevel = 0);
static Value ResolveArguments(const Value& command, const Dictionary::Ptr& arguments,
const MacroProcessor::ResolverList& resolvers, const CheckResult::Ptr& cr,
const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros, int recursionLevel = 0);
static bool ValidateMacroString(const String& macro);
static void ValidateCustomVars(const ConfigObject::Ptr& object, const Dictionary::Ptr& value);
private:
MacroProcessor();
static bool ResolveMacro(const String& macro, const ResolverList& resolvers,
const CheckResult::Ptr& cr, Value *result, bool *recursive_macro);
static Value InternalResolveMacros(const String& str,
const ResolverList& resolvers, const CheckResult::Ptr& cr,
String *missingMacro, const EscapeCallback& escapeFn,
const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros,
int recursionLevel = 0);
static Value EvaluateFunction(const Function::Ptr& func, const ResolverList& resolvers,
const CheckResult::Ptr& cr, const MacroProcessor::EscapeCallback& escapeFn,
const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros, int recursionLevel);
static void AddArgumentHelper(const Array::Ptr& args, const String& key, const String& value,
bool add_key, bool add_value, const Value& separator);
static Value EscapeMacroShellArg(const Value& value);
};
}
#endif /* MACROPROCESSOR_H */
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