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106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
NAMESPACE_UPP
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class Configuration;
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class ConfigItem;
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class ConfigHeading
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{
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public:
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ConfigHeading();
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ConfigHeading(const char *key, int version, int minor, int major);
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void Serialize(Stream& stream);
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bool Matches(const ConfigHeading& heading) const;
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public:
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String key;
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int version;
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int minor;
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int major;
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};
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class ConfigItem : protected ConfigHeading
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{
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friend class Configuration;
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friend class ConfigStream;
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public:
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ConfigItem();
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ConfigItem(const char *key, int version, int minor, int major,
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Configuration* cfg = NULL); // NULL = AppCfg()
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bool operator = (const ConfigItem& item);
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void Prepare(bool storing);
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void Clear();
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void Serialize(Stream& stream);
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int GetVersion() const { return current_version; }
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bool operator < (int version) const { return current_version < version; }
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bool operator <= (int version) const { return current_version <= version; }
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bool operator == (int version) const { return current_version == version; }
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bool operator != (int version) const { return current_version != version; }
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bool operator >= (int version) const { return current_version >= version; }
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bool operator > (int version) const { return current_version > version; }
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protected:
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int save_version;
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int current_version;
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String data;
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};
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#define CONFIG_ITEM(var, key, version, minor, major) \
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GLOBAL_VARP(ConfigItem, var, (key, version, minor, major)) \
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INITBLOCK { var(); }
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class ConfigStream : public StringStream
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{
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public:
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ConfigStream(ConfigItem& item, bool storing);
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~ConfigStream();
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protected:
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ConfigItem& item;
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};
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template <class T>
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bool ConfigureItem(T& object, ConfigItem& item, bool storing)
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{
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ConfigStream stream(item, storing);
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if(stream.IsLoading() && stream.IsEof())
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return true; // empty configuration is OK
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stream % object;
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return !stream.IsError();
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}
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template <class T>
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inline bool ReadConfigItem(T& object, ConfigItem& item)
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{ return ConfigureItem(object, item, false); }
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template <class T>
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inline bool WriteConfigItem(const T& object, ConfigItem& item)
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{ return ConfigureItem(const_cast<T&>(object), item, true); }
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#define ReadConfigSelf() ReadConfigItem(*this, config())
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#define WriteConfigSelf() WriteConfigItem(*this, config())
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class Configuration : protected ConfigHeading
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{
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public:
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Configuration(const char *key, int version, int minor, int major);
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void Add(ConfigItem& item);
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void Serialize(Stream& stream);
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static Configuration& Main();
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bool IsItemError() const { return item_error; }
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protected:
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VectorMap<String, ConfigItem*> items;
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bool item_error;
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};
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END_UPP_NAMESPACE
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