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1 #pragma once
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2
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3 //! Service for handling commandline arguments passed to foobar2000.exe
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4 class NOVTABLE commandline_handler : public service_base
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5 {
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6 public:
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7 enum result
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8 {
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9 RESULT_NOT_OURS,//not our command
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10 RESULT_PROCESSED,//command processed
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11 RESULT_PROCESSED_EXPECT_FILES,//command processed, we want to takeover file urls after this command
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12 };
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13 virtual result on_token(const char * token)=0;
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14 virtual void on_file(const char* url) { (void)url; };//optional
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15 virtual void on_files_done() {};//optional
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16 virtual bool want_directories() {return false;}
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17
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18 FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT(commandline_handler);
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19 };
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20
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21 //! Helper automatically turning passed file locations into metadb_handle objects (audio track references)
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22 class commandline_handler_metadb_handle : public commandline_handler {
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23 protected:
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24 void on_file(const char * url) override final;
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25 bool want_directories() override {return true;}
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26 public:
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27 //! Override me
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28 virtual result on_token(const char * token) override = 0;
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29 //! Override me
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30 virtual void on_files_done() override {};
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31 //! Override me
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32 virtual void on_file(const metadb_handle_ptr & ptr) = 0;
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33 };
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34
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35 /*
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36
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37 how commandline_handler is used:
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38
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39 scenario #1:
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40 creation => on_token() => deletion
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41 scenario #2:
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42 creation => on_token() returning RESULT_PROCESSED_EXPECT_FILES => on_file(), on_file().... => on_files_done() => deletion
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43 */
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44
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45 template<typename T>
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46 class commandline_handler_factory_t : public service_factory_t<T> {};
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