1 files changed, 75 insertions, 0 deletions
diff --git a/lib/icinga/macroprocessor.hpp b/lib/icinga/macroprocessor.hpp
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+++ b/lib/icinga/macroprocessor.hpp
@@ -0,0 +1,75 @@
+/* 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>
+#include <utility>
+
+namespace icinga
+{
+
+/**
+ * Resolves macros.
+ *
+ * @ingroup icinga
+ */
+class MacroProcessor
+{
+public:
+	struct ResolverSpec
+	{
+		String Name;
+		Object::Ptr Obj;
+
+		// Whether to resolve not only e.g. $host.address$, but also just $address$
+		bool ResolveShortMacros;
+
+		inline ResolverSpec(String name, Object::Ptr obj, bool resolveShortMacros = true)
+			: Name(std::move(name)), Obj(std::move(obj)), ResolveShortMacros(resolveShortMacros)
+		{
+		}
+	};
+
+	typedef std::function<Value (const Value&)> EscapeCallback;
+	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 */