Method InternalResolveMacros

lib/icinga/macroprocessor.cpp:233–340

}

Value MacroProcessor::InternalResolveMacros(const String& str, const ResolverList& resolvers,
	const CheckResult::Ptr& cr, String *missingMacro,
	const MacroProcessor::EscapeCallback& escapeFn, const Dictionary::Ptr& resolvedMacros,
	bool useResolvedMacros, int recursionLevel)
{
	CONTEXT("Resolving macros for string '" << str << "'");

	if (recursionLevel > 15)
		BOOST_THROW_EXCEPTION(std::runtime_error("Infinite recursion detected while resolving macros"));

	size_t offset, pos_first, pos_second;
	offset = 0;

	Dictionary::Ptr resolvers_this;

	String result = str;
	while ((pos_first = result.FindFirstOf("$", offset)) != String::NPos) {
		pos_second = result.FindFirstOf("$", pos_first + 1);

		if (pos_second == String::NPos)
			BOOST_THROW_EXCEPTION(std::runtime_error("Closing $ not found in macro format string."));

		String name = result.SubStr(pos_first + 1, pos_second - pos_first - 1);

		Value resolved_macro;
		bool recursive_macro;
		bool found;

		if (useResolvedMacros) {
			recursive_macro = false;
			found = resolvedMacros->Contains(name);

			if (found)
				resolved_macro = resolvedMacros->Get(name);
		} else
			found = ResolveMacro(name, resolvers, cr, &resolved_macro, &recursive_macro);

		/* $$ is an escape sequence for $. */
		if (name.IsEmpty()) {
			resolved_macro = "$";
			found = true;
		}

		if (resolved_macro.IsObjectType<Function>()) {
			resolved_macro = EvaluateFunction(resolved_macro, resolvers, cr,
				resolvedMacros, useResolvedMacros, recursionLevel + 1);
		}

		if (!found) {
			if (!missingMacro)
				Log(LogWarning, "MacroProcessor")
					<< "Macro '" << name << "' is not defined.";
			else
				*missingMacro = name;
		}

		/* recursively resolve macros in the macro if it was a user macro */
		if (recursive_macro) {