[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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[d8db0af] | 9 | enum config_format { |
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| 10 | TABULAR_CONFIG |
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| 11 | }; |
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| 12 | |
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[4df8fef5] | 13 | struct config_entry { |
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| 14 | const char * key; |
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| 15 | void * variable; |
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[58ebd78] | 16 | bool (*parse)( const char *, void * ); |
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[e54654e] | 17 | bool (*validate)( void * ); |
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[4df8fef5] | 18 | }; |
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| 19 | |
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| 20 | static inline void ?{}( config_entry & this ) {} |
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| 21 | |
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[58ebd78] | 22 | forall(T & | { bool parse( const char *, T & ); }) |
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[4df8fef5] | 23 | static inline void ?{}( config_entry & this, const char * key, T & variable ) { |
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| 24 | this.key = key; |
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| 25 | this.variable = (void *)&variable; |
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[4cc6c7d] | 26 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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[ad8072c] | 27 | this.validate = (bool (*)(void *))(bool (*)(T &))0p; |
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[e54654e] | 28 | } |
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| 29 | |
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| 30 | forall(T & | { bool parse( const char *, T & ); }) |
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| 31 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*validate)(T &) ) { |
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| 32 | this.key = key; |
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| 33 | this.variable = (void *)&variable; |
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| 34 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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| 35 | this.validate = (bool (*)(void *))(bool (*)(T &))validate; |
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[4df8fef5] | 36 | } |
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| 37 | |
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| 38 | forall(T &) |
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| 39 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*parse)(const char *, T &) ) { |
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| 40 | this.key = key; |
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| 41 | this.variable = (void *)&variable; |
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[4cc6c7d] | 42 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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[ad8072c] | 43 | this.validate = (bool (*)(void *))(bool (*)(T &))0p; |
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[e54654e] | 44 | } |
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| 45 | |
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| 46 | forall(T &) |
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| 47 | static inline void ?{}( config_entry & this, const char * key, T & variable, bool (*parse)(const char *, T &), bool (*validate)(T &) ) { |
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| 48 | this.key = key; |
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| 49 | this.variable = (void *)&variable; |
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| 50 | this.parse = (bool (*)(const char *, void *))(bool (*)(const char *, T &))parse; |
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| 51 | this.validate = (bool (*)(void *))(bool (*)(T &))validate; |
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[4df8fef5] | 52 | } |
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| 53 | |
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[930609e2] | 54 | |
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| 55 | // *********************************** exceptions *********************************** |
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| 56 | |
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| 57 | |
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[d322f62] | 58 | exception Validation_Failure { |
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[930609e2] | 59 | const char * key; |
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| 60 | void * variable; |
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[d322f62] | 61 | }; |
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[930609e2] | 62 | |
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| 63 | void ?{}( Validation_Failure & this, config_entry & entry ); |
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| 64 | |
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| 65 | |
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| 66 | // *********************************** main code *********************************** |
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| 67 | |
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| 68 | |
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[d8db0af] | 69 | void parse_config( const char * config_file, config_entry entries[], size_t num_entries, config_format format ); |
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[16f9aca] | 70 | |
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[b1eeb3aa] | 71 | bool parse( const char *, const char * & ); |
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| 72 | bool parse( const char *, int & ); |
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| 73 | bool parse( const char *, unsigned & ); |
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| 74 | bool parse( const char *, unsigned long & ); |
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| 75 | bool parse( const char *, unsigned long long & ); |
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| 76 | bool parse( const char *, float & ); |
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| 77 | bool parse( const char *, double & ); |
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| 78 | |
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[930609e2] | 79 | |
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| 80 | // *********************************** validation *********************************** |
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| 81 | |
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| 82 | |
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[c58c65a] | 83 | forall(T | Relational( T )) |
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[930609e2] | 84 | bool is_nonnegative( T & ); |
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| 85 | |
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[c58c65a] | 86 | forall(T | Relational( T )) |
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[930609e2] | 87 | bool is_positive( T & ); |
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| 88 | |
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[c58c65a] | 89 | forall(T | Relational( T )) |
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[930609e2] | 90 | bool is_nonpositive( T & ); |
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| 91 | |
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[c58c65a] | 92 | forall(T | Relational( T )) |
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[930609e2] | 93 | bool is_negative( T & ); |
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| 94 | |
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| 95 | |
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[16f9aca] | 96 | // Local Variables: // |
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| 97 | // mode: c // |
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| 98 | // tab-width: 4 // |
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| 99 | // End: // |
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