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AK: Add JsonValue::{is,as}_integer() methods

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The existing `is_i32()` and friends only check if `i32` is their
internal type, but a value such as `0` could be literally any integer
type internally. `is_integer<T>()` instead determines whether the
contained value is an integer and can fit inside T.
This commit is contained in:
Sam Atkins 2022-12-21 16:07:14 +00:00 • committed by Tim Flynn
commit efe4329f9f
Notes: sideshowbarker 2024-07-17 01:34:43 +09:00
2 changed files with 95 additions and 0 deletions
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36
AK/JsonValue.h
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@ -261,6 +261,42 @@ public:
return default_value;
}
template<Integral T>
bool is_integer() const
{
switch (m_type) {
case Type::Int32:
return is_within_range<T>(m_value.as_i32);
case Type::UnsignedInt32:
return is_within_range<T>(m_value.as_u32);
case Type::Int64:
return is_within_range<T>(m_value.as_i64);
case Type::UnsignedInt64:
return is_within_range<T>(m_value.as_u64);
default:
return false;
}
}
template<Integral T>
T as_integer() const
{
VERIFY(is_integer<T>());
switch (m_type) {
case Type::Int32:
return static_cast<T>(m_value.as_i32);
case Type::UnsignedInt32:
return static_cast<T>(m_value.as_u32);
case Type::Int64:
return static_cast<T>(m_value.as_i64);
case Type::UnsignedInt64:
return static_cast<T>(m_value.as_u64);
default:
VERIFY_NOT_REACHED();
}
}
bool equals(JsonValue const& other) const;
private: