91f40daa69
in situations where the renderer is used from multiple threads, this causes memory corruption. fixes mapbox/node-mapbox-gl-native#7
38 lines
975 B
C++
38 lines
975 B
C++
#ifndef MBGL_STYLE_CLASS_DICTIONARY
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#define MBGL_STYLE_CLASS_DICTIONARY
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#include <cstdint>
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#include <string>
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#include <unordered_map>
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namespace mbgl {
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enum class ClassID : uint32_t {
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Fallback = 0, // These values are from the fallback properties
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Default = 1, // These values are from the default style for a layer
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Named = 2 // These values (and all subsequent IDs) are from a named style from the layer
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};
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class ClassDictionary {
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private:
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ClassDictionary();
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public:
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static ClassDictionary &Get();
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// Returns an ID for a class name. If the class name does not yet have an ID, one is
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// auto-generated and stored for future reference.
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ClassID lookup(const std::string &class_name);
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// Returns either Fallback, Default or Named, depending on the type of the class id.
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ClassID normalize(ClassID id);
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private:
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std::unordered_map<std::string, ClassID> store = { { "", ClassID::Default } };
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uint32_t offset = 0;
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};
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}
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#endif
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