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juce_NamedValueSet.cpp
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
NamedValueSet::NamedValue::NamedValue() noexcept {}
NamedValueSet::NamedValue::~NamedValue() noexcept {}
NamedValueSet::NamedValue::NamedValue (const Identifier& n, const var& v) : name (n), value (v) {}
NamedValueSet::NamedValue::NamedValue (const NamedValue& other) : NamedValue (other.name, other.value) {}
NamedValueSet::NamedValue::NamedValue (NamedValue&& other) noexcept
: NamedValue (std::move (other.name),
std::move (other.value))
{}
NamedValueSet::NamedValue::NamedValue (const Identifier& n, var&& v) noexcept
: name (n), value (std::move (v))
{
}
NamedValueSet::NamedValue::NamedValue (Identifier&& n, var&& v) noexcept
: name (std::move (n)),
value (std::move (v))
{}
NamedValueSet::NamedValue& NamedValueSet::NamedValue::operator= (NamedValue&& other) noexcept
{
name = std::move (other.name);
value = std::move (other.value);
return *this;
}
bool NamedValueSet::NamedValue::operator== (const NamedValue& other) const noexcept { return name == other.name && value == other.value; }
bool NamedValueSet::NamedValue::operator!= (const NamedValue& other) const noexcept { return ! operator== (other); }
//==============================================================================
NamedValueSet::NamedValueSet() noexcept {}
NamedValueSet::~NamedValueSet() noexcept {}
NamedValueSet::NamedValueSet (const NamedValueSet& other) : values (other.values) {}
NamedValueSet::NamedValueSet (NamedValueSet&& other) noexcept
: values (std::move (other.values)) {}
NamedValueSet::NamedValueSet (std::initializer_list<NamedValue> list)
: values (std::move (list))
{
}
NamedValueSet& NamedValueSet::operator= (const NamedValueSet& other)
{
clear();
values = other.values;
return *this;
}
NamedValueSet& NamedValueSet::operator= (NamedValueSet&& other) noexcept
{
other.values.swapWith (values);
return *this;
}
void NamedValueSet::clear()
{
values.clear();
}
bool NamedValueSet::operator== (const NamedValueSet& other) const noexcept
{
auto num = values.size();
if (num != other.values.size())
return false;
for (int i = 0; i < num; ++i)
{
// optimise for the case where the keys are in the same order
if (values.getReference (i).name == other.values.getReference (i).name)
{
if (values.getReference (i).value != other.values.getReference (i).value)
return false;
}
else
{
// if we encounter keys that are in a different order, search remaining items by brute force..
for (int j = i; j < num; ++j)
{
if (auto* otherVal = other.getVarPointer (values.getReference (j).name))
if (values.getReference (j).value == *otherVal)
continue;
return false;
}
return true;
}
}
return true;
}
bool NamedValueSet::operator!= (const NamedValueSet& other) const noexcept { return ! operator== (other); }
int NamedValueSet::size() const noexcept { return values.size(); }
bool NamedValueSet::isEmpty() const noexcept { return values.isEmpty(); }
static const var& getNullVarRef() noexcept
{
static var nullVar;
return nullVar;
}
const var& NamedValueSet::operator[] (const Identifier& name) const noexcept
{
if (auto* v = getVarPointer (name))
return *v;
return getNullVarRef();
}
var NamedValueSet::getWithDefault (const Identifier& name, const var& defaultReturnValue) const
{
if (auto* v = getVarPointer (name))
return *v;
return defaultReturnValue;
}
var* NamedValueSet::getVarPointer (const Identifier& name) noexcept
{
for (auto& i : values)
if (i.name == name)
return &(i.value);
return {};
}
const var* NamedValueSet::getVarPointer (const Identifier& name) const noexcept
{
for (auto& i : values)
if (i.name == name)
return &(i.value);
return {};
}
bool NamedValueSet::set (const Identifier& name, var&& newValue)
{
if (auto* v = getVarPointer (name))
{
if (v->equalsWithSameType (newValue))
return false;
*v = std::move (newValue);
return true;
}
values.add ({ name, std::move (newValue) });
return true;
}
bool NamedValueSet::set (const Identifier& name, const var& newValue)
{
if (auto* v = getVarPointer (name))
{
if (v->equalsWithSameType (newValue))
return false;
*v = newValue;
return true;
}
values.add ({ name, newValue });
return true;
}
bool NamedValueSet::contains (const Identifier& name) const noexcept
{
return getVarPointer (name) != nullptr;
}
int NamedValueSet::indexOf (const Identifier& name) const noexcept
{
auto numValues = values.size();
for (int i = 0; i < numValues; ++i)
if (values.getReference (i).name == name)
return i;
return -1;
}
bool NamedValueSet::remove (const Identifier& name)
{
auto numValues = values.size();
for (int i = 0; i < numValues; ++i)
{
if (values.getReference (i).name == name)
{
values.remove (i);
return true;
}
}
return false;
}
Identifier NamedValueSet::getName (const int index) const noexcept
{
if (isPositiveAndBelow (index, values.size()))
return values.getReference (index).name;
jassertfalse;
return {};
}
const var& NamedValueSet::getValueAt (const int index) const noexcept
{
if (isPositiveAndBelow (index, values.size()))
return values.getReference (index).value;
jassertfalse;
return getNullVarRef();
}
var* NamedValueSet::getVarPointerAt (int index) noexcept
{
if (isPositiveAndBelow (index, values.size()))
return &(values.getReference (index).value);
return {};
}
const var* NamedValueSet::getVarPointerAt (int index) const noexcept
{
if (isPositiveAndBelow (index, values.size()))
return &(values.getReference (index).value);
return {};
}
void NamedValueSet::setFromXmlAttributes (const XmlElement& xml)
{
values.clearQuick();
for (auto* att = xml.attributes.get(); att != nullptr; att = att->nextListItem)
{
if (att->name.toString().startsWith ("base64:"))
{
MemoryBlock mb;
if (mb.fromBase64Encoding (att->value))
{
values.add ({ att->name.toString().substring (7), var (mb) });
continue;
}
}
values.add ({ att->name, var (att->value) });
}
}
void NamedValueSet::copyToXmlAttributes (XmlElement& xml) const
{
for (auto& i : values)
{
if (auto* mb = i.value.getBinaryData())
{
xml.setAttribute ("base64:" + i.name.toString(), mb->toBase64Encoding());
}
else
{
// These types can't be stored as XML!
jassert (! i.value.isObject());
jassert (! i.value.isMethod());
jassert (! i.value.isArray());
xml.setAttribute (i.name.toString(),
i.value.toString());
}
}
}
} // namespace juce
juce::Identifier
Definition juce_Identifier.h:39
juce::LinkedListPointer::get
ObjectType * get() const noexcept
Definition juce_LinkedListPointer.h:102
juce::MemoryBlock
Definition juce_MemoryBlock.h:33
juce::MemoryBlock::fromBase64Encoding
bool fromBase64Encoding(StringRef encodedString)
Definition juce_MemoryBlock.cpp:382
juce::NamedValueSet
Definition juce_NamedValueSet.h:35
juce::NamedValueSet::getVarPointerAt
var * getVarPointerAt(int index) noexcept
Definition juce_NamedValueSet.cpp:248
juce::NamedValueSet::set
bool set(const Identifier &name, const var &newValue)
Definition juce_NamedValueSet.cpp:183
juce::NamedValueSet::contains
bool contains(const Identifier &name) const noexcept
Definition juce_NamedValueSet.cpp:198
juce::NamedValueSet::remove
bool remove(const Identifier &name)
Definition juce_NamedValueSet.cpp:214
juce::NamedValueSet::indexOf
int indexOf(const Identifier &name) const noexcept
Definition juce_NamedValueSet.cpp:203
juce::NamedValueSet::getValueAt
const var & getValueAt(int index) const noexcept
Definition juce_NamedValueSet.cpp:239
juce::NamedValueSet::clear
void clear()
Definition juce_NamedValueSet.cpp:84
juce::NamedValueSet::isEmpty
bool isEmpty() const noexcept
Definition juce_NamedValueSet.cpp:126
juce::NamedValueSet::operator==
bool operator==(const NamedValueSet &) const noexcept
Definition juce_NamedValueSet.cpp:89
juce::NamedValueSet::NamedValueSet
NamedValueSet() noexcept
Definition juce_NamedValueSet.cpp:58
juce::NamedValueSet::~NamedValueSet
~NamedValueSet() noexcept
Definition juce_NamedValueSet.cpp:59
juce::NamedValueSet::getName
Identifier getName(int index) const noexcept
Definition juce_NamedValueSet.cpp:230
juce::NamedValueSet::getWithDefault
var getWithDefault(const Identifier &name, const var &defaultReturnValue) const
Definition juce_NamedValueSet.cpp:142
juce::NamedValueSet::size
int size() const noexcept
Definition juce_NamedValueSet.cpp:125
juce::NamedValueSet::operator[]
const var & operator[](const Identifier &name) const noexcept
Definition juce_NamedValueSet.cpp:134
juce::NamedValueSet::getVarPointer
var * getVarPointer(const Identifier &name) noexcept
Definition juce_NamedValueSet.cpp:150
juce::NamedValueSet::copyToXmlAttributes
void copyToXmlAttributes(XmlElement &xml) const
Definition juce_NamedValueSet.cpp:285
juce::NamedValueSet::setFromXmlAttributes
void setFromXmlAttributes(const XmlElement &xml)
Definition juce_NamedValueSet.cpp:264
juce::XmlElement
Definition juce_XmlElement.h:83
juce::XmlElement::setAttribute
void setAttribute(const Identifier &attributeName, const String &newValue)
Definition juce_XmlElement.cpp:615
juce::var
Definition juce_Variant.h:42
juce::var::size
int size() const
Definition juce_Variant.cpp:747