Class JsonExpectedValue

#include <Noahh/utils/JsonValidation.hpp>
classJsonExpectedValue{ ... }
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Examples0
Public static methods0
Public member functions35
noahh::JsonExpectedValue&operator=(
noahh::JsonExpectedValue&&
)
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noahh::JsonExpectedValue&operator=(
noahh::JsonExpectedValueconst&
)
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matjson::Valuejson()const

Get a copy of the underlying raw JSON value

matjson::ValuetakeJson()

Move out the underlying raw JSON value

std::stringkey()const

Get the key name of this JSON value. If this is an array index, returns the index as a string. If this is the root object, returns the root scope name.

boolis(
matjson::Typetype
)const

Check the type of this JSON value. Does not set an error. If an error is already set, always returns false

boolisNull()const
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boolisBool()const
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boolisNumber()const
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boolisString()const
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boolisArray()const
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boolisObject()const
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noahh::JsonExpectedValue&assertIs(
matjson::Typetype
)

Asserts that this JSON value is of the specified type. If it is not, an error is set and all subsequent operations are no-ops

Return value
Itself
noahh::JsonExpectedValue&assertIsNull()
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noahh::JsonExpectedValue&assertIsBool()
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noahh::JsonExpectedValue&assertIsNumber()
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noahh::JsonExpectedValue&assertIsString()
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noahh::JsonExpectedValue&assertIsArray()
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noahh::JsonExpectedValue&assertIsObject()
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noahh::JsonExpectedValue&assertIs(
std::initializer_list<matjson::Type>type
)

Asserts that this JSON value is one of a list of specified types

Return value
Itself
template<class T>Tget(
const Tconst&defaultValue
)
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template<class T>noahh::JsonExpectedValue&into(
T&value
)
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template<class T>noahh::JsonExpectedValue&into(
std::optional<T>&value
)
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template<class T>noahh::JsonExpectedValue&mustBe(
std::string_viewname
,
autopredicate
)
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template<class T>noahh::JsonExpectedValue&mustBe(
std::string_viewname
,
autopredicate
)
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noahh::JsonExpectedValuehas(
std::stringkey
)

Check if this object has an optional key. Asserts that this JSON value is an object. If the key doesn’t exist, returns a JsonExpectValue that does nothing

Return value
The key, which is a no-op value if it didn't exist
noahh::JsonExpectedValuehasNullable(
std::stringkey
)

Check if this object has an optional key. Asserts that this JSON value is an object. If the key doesn’t exist, or the value is null, returns a JsonExpectValue that does nothing

Return value
The key, which is a no-op value if it didn't exist, or was null
noahh::JsonExpectedValueneeds(
std::stringkey
)

Check if this object has an optional key. Asserts that this JSON value is an object. If the key doesn’t exist, sets an error and returns a JsonExpectValue that does nothing

Return value
The key, which is a no-op value if it didn't exist
intproperties()

Asserts that this JSON value is an object. Get all object properties

voidcheckUnknownKeys()

Asserts that this JSON value is an object. Logs unknown keys to the console as warnings

size_tlength()

Asserts that this JSON value is an array. Returns the length of the array, or 0 on error

noahh::JsonExpectedValueat(
size_tindex
)

Asserts that this JSON value is an array. Returns the value at the specified index. If there is no value at that index, sets an error

intitems()

Asserts that this JSON value is an array. Returns the array items

⚠️ The old JsonChecker used `items` for iterating object properties - on this new API that function is called `properties`!

intok()
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template<class T>intok(
T&&value
)
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Fields0
Protected member functions5
boolhasError()const
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voidsetError(
std::string_viewerror
)
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matjson::Valueconst&getJSONRef()const
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template<class... Args>voidsetError(
interror
,
Args &&...args
)
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template<class T>std::optional<T>tryGet()
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Protected fields1
intm_impl
;
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Derived classes0