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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
commit0915b3ef56dfac3113cce55a59a5765dc94976be (patch)
treea8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/base/function.hpp
parentInitial commit. (diff)
downloadicinga2-upstream.tar.xz
icinga2-upstream.zip
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--lib/base/function.hpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/base/function.hpp b/lib/base/function.hpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef FUNCTION_H
+#define FUNCTION_H
+
+#include "base/i2-base.hpp"
+#include "base/function-ti.hpp"
+#include "base/value.hpp"
+#include "base/functionwrapper.hpp"
+#include "base/scriptglobal.hpp"
+#include <vector>
+
+namespace icinga
+{
+
+/**
+ * A script function that can be used to execute a script task.
+ *
+ * @ingroup base
+ */
+class Function final : public ObjectImpl<Function>
+{
+public:
+ DECLARE_OBJECT(Function);
+
+ typedef std::function<Value (const std::vector<Value>& arguments)> Callback;
+
+ template<typename F>
+ Function(const String& name, F function, const std::vector<String>& args = std::vector<String>(),
+ bool side_effect_free = false, bool deprecated = false)
+ : Function(name, WrapFunction(function), args, side_effect_free, deprecated)
+ { }
+
+ Value Invoke(const std::vector<Value>& arguments = std::vector<Value>());
+ Value InvokeThis(const Value& otherThis, const std::vector<Value>& arguments = std::vector<Value>());
+
+ bool IsSideEffectFree() const
+ {
+ return GetSideEffectFree();
+ }
+
+ bool IsDeprecated() const
+ {
+ return GetDeprecated();
+ }
+
+ static Object::Ptr GetPrototype();
+
+ Object::Ptr Clone() const override;
+
+private:
+ Callback m_Callback;
+
+ Function(const String& name, Callback function, const std::vector<String>& args,
+ bool side_effect_free, bool deprecated);
+};
+
+/* Ensure that the priority is lower than the basic namespace initialization in scriptframe.cpp. */
+#define REGISTER_FUNCTION(ns, name, callback, args) \
+ INITIALIZE_ONCE_WITH_PRIORITY([]() { \
+ Function::Ptr sf = new icinga::Function(#ns "#" #name, callback, String(args).Split(":"), false); \
+ Namespace::Ptr nsp = ScriptGlobal::Get(#ns); \
+ nsp->SetAttribute(#name, new ConstEmbeddedNamespaceValue(sf)); \
+ }, 10)
+
+#define REGISTER_SAFE_FUNCTION(ns, name, callback, args) \
+ INITIALIZE_ONCE_WITH_PRIORITY([]() { \
+ Function::Ptr sf = new icinga::Function(#ns "#" #name, callback, String(args).Split(":"), true); \
+ Namespace::Ptr nsp = ScriptGlobal::Get(#ns); \
+ nsp->SetAttribute(#name, new ConstEmbeddedNamespaceValue(sf)); \
+ }, 10)
+
+#define REGISTER_FUNCTION_NONCONST(ns, name, callback, args) \
+ INITIALIZE_ONCE_WITH_PRIORITY([]() { \
+ Function::Ptr sf = new icinga::Function(#ns "#" #name, callback, String(args).Split(":"), false); \
+ Namespace::Ptr nsp = ScriptGlobal::Get(#ns); \
+ nsp->SetAttribute(#name, new EmbeddedNamespaceValue(sf)); \
+ }, 10)
+
+#define REGISTER_SAFE_FUNCTION_NONCONST(ns, name, callback, args) \
+ INITIALIZE_ONCE_WITH_PRIORITY([]() { \
+ Function::Ptr sf = new icinga::Function(#ns "#" #name, callback, String(args).Split(":"), true); \
+ Namespace::Ptr nsp = ScriptGlobal::Get(#ns); \
+ nsp->SetAttribute(#name, new EmbeddedNamespaceValue(sf)); \
+ }, 10)
+
+}
+
+#endif /* FUNCTION_H */