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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/value.cpp
parentInitial commit. (diff)
downloadicinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.tar.xz
icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.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/value.cpp264
1 files changed, 264 insertions, 0 deletions
diff --git a/lib/base/value.cpp b/lib/base/value.cpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "base/value.hpp"
+#include "base/array.hpp"
+#include "base/dictionary.hpp"
+#include "base/type.hpp"
+
+using namespace icinga;
+
+template class boost::variant<boost::blank, double, bool, String, Object::Ptr>;
+template const double& Value::Get<double>() const;
+template const bool& Value::Get<bool>() const;
+template const String& Value::Get<String>() const;
+template const Object::Ptr& Value::Get<Object::Ptr>() const;
+
+Value icinga::Empty;
+
+Value::Value(std::nullptr_t)
+{ }
+
+Value::Value(int value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(unsigned int value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(long value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(unsigned long value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(long long value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(unsigned long long value)
+ : m_Value(double(value))
+{ }
+
+Value::Value(double value)
+ : m_Value(value)
+{ }
+
+Value::Value(bool value)
+ : m_Value(value)
+{ }
+
+Value::Value(const String& value)
+ : m_Value(value)
+{ }
+
+Value::Value(String&& value)
+ : m_Value(value)
+{ }
+
+Value::Value(const char *value)
+ : m_Value(String(value))
+{ }
+
+Value::Value(const Value& other)
+ : m_Value(other.m_Value)
+{ }
+
+Value::Value(Value&& other)
+{
+#if BOOST_VERSION >= 105400
+ m_Value = std::move(other.m_Value);
+#else /* BOOST_VERSION */
+ m_Value.swap(other.m_Value);
+#endif /* BOOST_VERSION */
+}
+
+Value::Value(Object *value)
+ : Value(Object::Ptr(value))
+{ }
+
+Value::Value(const intrusive_ptr<Object>& value)
+{
+ if (value)
+ m_Value = value;
+}
+
+Value& Value::operator=(const Value& other)
+{
+ m_Value = other.m_Value;
+ return *this;
+}
+
+Value& Value::operator=(Value&& other)
+{
+#if BOOST_VERSION >= 105400
+ m_Value = std::move(other.m_Value);
+#else /* BOOST_VERSION */
+ m_Value.swap(other.m_Value);
+#endif /* BOOST_VERSION */
+
+ return *this;
+}
+
+/**
+ * Checks whether the variant is empty.
+ *
+ * @returns true if the variant is empty, false otherwise.
+ */
+bool Value::IsEmpty() const
+{
+ return (GetType() == ValueEmpty || (IsString() && boost::get<String>(m_Value).IsEmpty()));
+}
+
+/**
+ * Checks whether the variant is scalar (i.e. not an object and not empty).
+ *
+ * @returns true if the variant is scalar, false otherwise.
+ */
+bool Value::IsScalar() const
+{
+ return !IsEmpty() && !IsObject();
+}
+
+/**
+* Checks whether the variant is a number.
+*
+* @returns true if the variant is a number.
+*/
+bool Value::IsNumber() const
+{
+ return (GetType() == ValueNumber);
+}
+
+/**
+ * Checks whether the variant is a boolean.
+ *
+ * @returns true if the variant is a boolean.
+ */
+bool Value::IsBoolean() const
+{
+ return (GetType() == ValueBoolean);
+}
+
+/**
+ * Checks whether the variant is a string.
+ *
+ * @returns true if the variant is a string.
+ */
+bool Value::IsString() const
+{
+ return (GetType() == ValueString);
+}
+
+/**
+ * Checks whether the variant is a non-null object.
+ *
+ * @returns true if the variant is a non-null object, false otherwise.
+ */
+bool Value::IsObject() const
+{
+ return (GetType() == ValueObject);
+}
+
+/**
+ * Returns the type of the value.
+ *
+ * @returns The type.
+ */
+ValueType Value::GetType() const
+{
+ return static_cast<ValueType>(m_Value.which());
+}
+
+void Value::Swap(Value& other)
+{
+ m_Value.swap(other.m_Value);
+}
+
+bool Value::ToBool() const
+{
+ switch (GetType()) {
+ case ValueNumber:
+ return static_cast<bool>(boost::get<double>(m_Value));
+
+ case ValueBoolean:
+ return boost::get<bool>(m_Value);
+
+ case ValueString:
+ return !boost::get<String>(m_Value).IsEmpty();
+
+ case ValueObject:
+ if (IsObjectType<Dictionary>()) {
+ Dictionary::Ptr dictionary = *this;
+ return dictionary->GetLength() > 0;
+ } else if (IsObjectType<Array>()) {
+ Array::Ptr array = *this;
+ return array->GetLength() > 0;
+ } else {
+ return true;
+ }
+
+ case ValueEmpty:
+ return false;
+
+ default:
+ BOOST_THROW_EXCEPTION(std::runtime_error("Invalid variant type."));
+ }
+}
+
+String Value::GetTypeName() const
+{
+ Type::Ptr t;
+
+ switch (GetType()) {
+ case ValueEmpty:
+ return "Empty";
+ case ValueNumber:
+ return "Number";
+ case ValueBoolean:
+ return "Boolean";
+ case ValueString:
+ return "String";
+ case ValueObject:
+ t = boost::get<Object::Ptr>(m_Value)->GetReflectionType();
+ if (!t) {
+ if (IsObjectType<Array>())
+ return "Array";
+ else if (IsObjectType<Dictionary>())
+ return "Dictionary";
+ else
+ return "Object";
+ } else
+ return t->GetName();
+ default:
+ return "Invalid";
+ }
+}
+
+Type::Ptr Value::GetReflectionType() const
+{
+ switch (GetType()) {
+ case ValueEmpty:
+ return Object::TypeInstance;
+ case ValueNumber:
+ return Type::GetByName("Number");
+ case ValueBoolean:
+ return Type::GetByName("Boolean");
+ case ValueString:
+ return Type::GetByName("String");
+ case ValueObject:
+ return boost::get<Object::Ptr>(m_Value)->GetReflectionType();
+ default:
+ return nullptr;
+ }
+}
+
+Value Value::Clone() const
+{
+ if (IsObject())
+ return static_cast<Object::Ptr>(*this)->Clone();
+ else
+ return *this;
+}