94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
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/*==============================================================================
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Copyright 2019 by Roland Rabien
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For more information visit www.rabiensoftware.com
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==============================================================================*/
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//==============================================================================
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static var toVar (const juce::ValueTree& v)
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{
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auto obj = new DynamicObject();
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obj->setProperty ("_name", v.getType().toString());
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Array<var> children;
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for (auto c : v)
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children.add (toVar (c));
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if (children.size() > 0)
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obj->setProperty ("_children", children);
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for (int i = 0; i < v.getNumProperties(); i++)
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{
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auto name = v.getPropertyName (i).toString();
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auto val = v.getProperty (name, {});
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if (auto mb = val.getBinaryData())
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{
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obj->setProperty ("base64:" + name, mb->toBase64Encoding());
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}
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else
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{
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// These types can't be stored as JSON!
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jassert (! val.isObject());
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jassert (! val.isMethod());
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jassert (! val.isArray());
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obj->setProperty (name, val.toString());
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}
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}
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return var (obj);
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}
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juce::String valueTreeToJSON (const juce::ValueTree& v)
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{
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auto obj = toVar (v);
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return JSON::toString (obj);
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}
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//==============================================================================
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juce::ValueTree fromVar (const juce::var& obj)
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{
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if (auto dobj = obj.getDynamicObject())
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{
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ValueTree v (dobj->getProperty ("_name").toString());
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auto c = dobj->getProperty ("_children");
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if (c.isArray())
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for (auto& child : *c.getArray())
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v.addChild (fromVar (child), -1, nullptr);
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auto properties = dobj->getProperties();
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for (auto itr : properties)
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{
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auto name = itr.name.toString();
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if (name == "_name" || name == "_children") continue;
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if (name.startsWith ("base64:"))
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{
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MemoryBlock mb;
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if (mb.fromBase64Encoding (itr.value.toString()))
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v.setProperty (name.substring (7), var (mb), nullptr);
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}
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else
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{
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v.setProperty (name, var (itr.value), nullptr);
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}
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}
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return v;
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}
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return {};
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}
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juce::ValueTree valueTreeFromJSON (const juce::String& jsonText)
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{
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var obj = JSON::parse (jsonText);
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if (obj.isObject())
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return fromVar (obj);
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return {};
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}
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