2017-11-28 22:15:06 +00:00
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#pragma once
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#include <Common/FileUpdatesTracker.h>
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2018-12-10 15:25:45 +00:00
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#include "INamesProvider.h"
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2017-11-28 22:15:06 +00:00
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// Represents local file with list of regions ids / names
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class LanguageRegionsNamesDataSource : public ILanguageRegionsNamesDataSource
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{
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private:
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std::string path;
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FileUpdatesTracker updates_tracker;
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std::string language;
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public:
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LanguageRegionsNamesDataSource(const std::string & path_, const std::string & language_)
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2018-12-10 15:25:45 +00:00
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: path(path_), updates_tracker(path_), language(language_)
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{
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}
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2017-11-28 22:15:06 +00:00
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bool isModified() const override;
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size_t estimateTotalSize() const override;
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ILanguageRegionsNamesReaderPtr createReader() override;
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std::string getLanguage() const override;
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std::string getSourceName() const override;
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};
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using ILanguageRegionsNamesDataSourcePtr = std::unique_ptr<ILanguageRegionsNamesDataSource>;
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// Provides access to directory with multiple data source files: one file per language
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class RegionsNamesDataProvider : public IRegionsNamesDataProvider
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{
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private:
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std::string directory;
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public:
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RegionsNamesDataProvider(const std::string & directory_);
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2018-12-10 15:25:45 +00:00
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ILanguageRegionsNamesDataSourcePtr getLanguageRegionsNamesSource(const std::string & language) const override;
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2017-11-28 22:15:06 +00:00
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private:
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std::string getDataFilePath(const std::string & language) const;
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};
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