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Merge pull request #88345 from SysError99/3.x-get_or_add

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[3.x] Add a `get_or_add` method to Dictionary
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lawnjelly 2024-04-04 13:04:16 +01:00 committed by GitHub
commit 1a9b5b7c99
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4 changed files with 20 additions and 0 deletions
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9
core/dictionary.cpp
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@ -116,6 +116,15 @@ Variant Dictionary::get(const Variant &p_key, const Variant &p_default) const {
return *result;
}
Variant Dictionary::get_or_add(const Variant &p_key, const Variant &p_default) {
const Variant *result = getptr(p_key);
if (!result) {
operator[](p_key) = p_default;
return p_default;
}
return *result;
}
int Dictionary::size() const {
return _p->variant_map.size();
}

1
core/dictionary.h
View file

@ -58,6 +58,7 @@ public:
Variant get_valid(const Variant &p_key) const;
Variant get(const Variant &p_key, const Variant &p_default) const;
Variant get_or_add(const Variant &p_key, const Variant &p_default);
int size() const;
bool empty() const;

2
core/variant_call.cpp
View file

@ -559,6 +559,7 @@ struct _VariantCall {
VCALL_LOCALMEM0R(Dictionary, values);
VCALL_LOCALMEM1R(Dictionary, duplicate);
VCALL_LOCALMEM2R(Dictionary, get);
VCALL_LOCALMEM2R(Dictionary, get_or_add);
VCALL_LOCALMEM2(Array, set);
VCALL_LOCALMEM1R(Array, get);
@ -1944,6 +1945,7 @@ void register_variant_methods() {
ADDFUNC0R(DICTIONARY, ARRAY, Dictionary, values, varray());
ADDFUNC1R(DICTIONARY, DICTIONARY, Dictionary, duplicate, BOOL, "deep", varray(false));
ADDFUNC2R(DICTIONARY, NIL, Dictionary, get, NIL, "key", NIL, "default", varray(Variant()));
ADDFUNC2R(DICTIONARY, NIL, Dictionary, get_or_add, NIL, "key", NIL, "default", varray(Variant()));
ADDFUNC0R(ARRAY, INT, Array, size, varray());
ADDFUNC0R(ARRAY, BOOL, Array, empty, varray());

8
doc/classes/Dictionary.xml
View file

@ -131,6 +131,14 @@
Returns the current value for the specified key in the [Dictionary]. If the key does not exist, the method returns the value of the optional default argument, or [code]null[/code] if it is omitted.
</description>
</method>
<method name="get_or_add">
<return type="Variant" />
<argument index="0" name="key" type="Variant" />
<argument index="1" name="default" type="Variant" default="null" />
<description>
Gets a value and ensures the key is set. If the [code]key[/code] exists in the dictionary, this behaves like [method get]. Otherwise, the [code]default[/code] value is inserted into the dictionary and returned.
</description>
</method>
<method name="has">
<return type="bool" />
<argument index="0" name="key" type="Variant" />