[16f9aca] | 1 | #pragma once |
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| 2 | |
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[c58c65a] | 3 | #include <math.trait.hfa> |
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[80ae121] | 4 | |
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| 5 | |
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[930609e2] | 6 | // *********************************** initial declarations *********************************** |
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[80ae121] | 7 | |
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| 8 | |
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[4df8fef5] | 9 | struct config_entry { |
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| 10 | const char * key; |
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| 11 | void * variable; |
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[58ebd78] | 12 | bool (*parse)( const char *, void * ); |
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[e54654e] | 13 | bool (*validate)( void * ); |
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[4df8fef5] | 14 | }; |
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| 15 | |
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| 16 | static inline void ?{}( config_entry & this ) {} |
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| 17 | |
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[58ebd78] | 18 | forall(T & | { bool parse( const char *, T & ); }) |
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[4df8fef5] | 19 | static inline void ?{}( config_entry & this, const char * key, T & variable ) { |
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| 20 | this.key = key; |
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| 21 | this.variable = (void *)&variable; |
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[4cc6c7d] | 22 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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[e54654e] | 23 | this.validate = 0p; |
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| 24 | } |
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| 25 | |
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| 26 | forall(T & | { bool parse( const char *, T & ); }) |
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| 27 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*validate)(T &) ) { |
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| 28 | this.key = key; |
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| 29 | this.variable = (void *)&variable; |
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| 30 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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| 31 | this.validate = (bool (*)(void *))(bool (*)(T &))validate; |
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[4df8fef5] | 32 | } |
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| 33 | |
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| 34 | forall(T &) |
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| 35 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*parse)(const char *, T &) ) { |
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| 36 | this.key = key; |
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| 37 | this.variable = (void *)&variable; |
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[4cc6c7d] | 38 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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[e54654e] | 39 | this.validate = 0p; |
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| 40 | } |
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| 41 | |
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| 42 | forall(T &) |
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| 43 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*parse)(const char *, T &), bool (*validate)(T &) ) { |
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| 44 | this.key = key; |
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| 45 | this.variable = (void *)&variable; |
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| 46 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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| 47 | this.validate = (bool (*)(void *))(bool (*)(T &))validate; |
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[4df8fef5] | 48 | } |
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| 49 | |
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[930609e2] | 50 | |
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| 51 | // *********************************** exceptions *********************************** |
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| 52 | |
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| 53 | |
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| 54 | EHM_EXCEPTION(Validation_Failure)( |
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| 55 | const char * key; |
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| 56 | void * variable; |
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| 57 | ); |
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| 58 | |
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| 59 | void ?{}( Validation_Failure & this, config_entry & entry ); |
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| 60 | |
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| 61 | |
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| 62 | // *********************************** main code *********************************** |
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| 63 | |
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| 64 | |
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[4df8fef5] | 65 | void parse_config( const char * config_file, config_entry entries[], size_t num_entries ); |
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[16f9aca] | 66 | |
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[b1eeb3aa] | 67 | bool parse( const char *, const char * & ); |
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| 68 | bool parse( const char *, int & ); |
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| 69 | bool parse( const char *, unsigned & ); |
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| 70 | bool parse( const char *, unsigned long & ); |
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| 71 | bool parse( const char *, unsigned long long & ); |
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| 72 | bool parse( const char *, float & ); |
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| 73 | bool parse( const char *, double & ); |
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| 74 | |
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[930609e2] | 75 | |
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| 76 | // *********************************** validation *********************************** |
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| 77 | |
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| 78 | |
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[c58c65a] | 79 | forall(T | Relational( T )) |
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[930609e2] | 80 | bool is_nonnegative( T & ); |
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| 81 | |
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[c58c65a] | 82 | forall(T | Relational( T )) |
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[930609e2] | 83 | bool is_positive( T & ); |
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| 84 | |
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[c58c65a] | 85 | forall(T | Relational( T )) |
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[930609e2] | 86 | bool is_nonpositive( T & ); |
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| 87 | |
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[c58c65a] | 88 | forall(T | Relational( T )) |
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[930609e2] | 89 | bool is_negative( T & ); |
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| 90 | |
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| 91 | |
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[16f9aca] | 92 | // Local Variables: // |
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| 93 | // mode: c // |
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| 94 | // tab-width: 4 // |
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| 95 | // End: // |
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