67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
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// sane_opts.h : include file for options of SANE
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#pragma once
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#include <string>
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#include <vector>
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#include <map>
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#include <sane/sane_ex.h>
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#define FIXED_ID_BASE 0x8000
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class gb_json;
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// For: option json to SANE_Option_Descriptor*, and depends logic
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//
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// NOTE: re-call method 'from_json_text' if language was changed
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class sane_opt
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{
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int fix_id_;
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int sn_;
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bool enabled_;
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SANE_Option_Descriptor opt_desc_;
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void clear();
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void set_opt_desc_string_value(char** buf, const char* val);
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void init_cap(gb_json* jsn);
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void init_range(gb_json* jsn);
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public:
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sane_opt();
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~sane_opt();
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public:
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int get_fix_id(void);
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int get_sn(void);
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SANE_Option_Descriptor* get_descriptor(void);
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const char* name(void);
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bool is_enabled(void);
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bool from_json_text(int sn, const char* key, const char* json, void(*err_msg)(const char*) = nullptr);
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};
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class device_opts
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{
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std::map<int, sane_opt*> opts_;
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int opt_cnt_;
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SANE_Option_Descriptor opt_0_;
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void clear(void);
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bool add_or_replace_opt(int sn, const char* name, const char* jsn_text, void(*err_msg)(const char*));
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public:
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device_opts();
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~device_opts();
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public:
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bool init_from(const char* jsn_text/*all options*/, void(*err_msg)(const char*));
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SANE_Option_Descriptor* get_opt_descriptor(const void* opt, int* fix_id = nullptr);
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int get_option_count(void);
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};
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