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00022 #ifndef DBA_VARTABLE_H
00023 #define DBA_VARTABLE_H
00024
00025 #ifdef __cplusplus
00026 extern "C" {
00027 #endif
00028
00085 #include <dballe/core/error.h>
00086
00090 typedef short unsigned int dba_varcode;
00091
00097 typedef short unsigned int dba_alteration;
00098
00106 struct _dba_varinfo
00107 {
00109 dba_varcode var;
00111 char desc[64];
00113 char unit[24];
00116 int scale;
00119 int ref;
00122 int len;
00125 int bit_ref;
00128 int bit_len;
00130 int is_string;
00132 int imin;
00134 int imax;
00136 double dmin;
00138 double dmax;
00140 dba_alteration alteration;
00142 struct _dba_varinfo* alterations;
00143 };
00145 typedef struct _dba_varinfo* dba_varinfo;
00146
00154 struct _dba_vartable;
00156 typedef struct _dba_vartable* dba_vartable;
00157
00161 #define DBA_VAR(f, x, y) ((dba_varcode)( ((unsigned)(f)<<14) | ((unsigned)(x)<<8) | (unsigned)(y) ))
00162
00169 #define DBA_STRING_TO_VAR(str) ((dba_varcode)( \
00170 (( ((str)[0] - '0')*10 + ((str)[1] - '0') ) << 8) | \
00171 ( ((str)[2] - '0')*100 + ((str)[3] - '0')*10 + ((str)[4] - '0') ) \
00172 ))
00173
00177 #define DBA_VAR_F(code) ((code) >> 14)
00178
00181 #define DBA_VAR_X(code) ((code) >> 8 & 0x3f)
00182
00185 #define DBA_VAR_Y(code) ((code) & 0xff)
00186
00190 #define DBA_ALT(width, scale) (((width)+128) << 8 | ((scale)+128))
00191
00195 #define DBA_ALT_WIDTH(code) (((code) >> 8) - 128)
00196
00200 #define DBA_ALT_SCALE(code) (((code) & 0xff) - 128)
00201
00214 dba_err dba_varinfo_query_local(dba_varcode code, dba_varinfo* info);
00215
00230 dba_err dba_varinfo_query_local_altered(dba_varcode code, dba_alteration change, dba_varinfo* info);
00231
00242 dba_err dba_varinfo_get_local_table(dba_vartable* table);
00243
00254 dba_varcode dba_descriptor_code(const char* desc);
00255
00268 dba_err dba_vartable_create(const char* id, dba_vartable* table);
00269
00279 const char* dba_vartable_id(dba_vartable table);
00280
00295 dba_err dba_vartable_query(dba_vartable table, dba_varcode var, dba_varinfo* info);
00296
00313 dba_err dba_vartable_query_altered(dba_vartable table, dba_varcode var, dba_alteration change, dba_varinfo* info);
00314
00323 typedef void (*dba_vartable_iterator)(dba_varinfo info, void* data);
00324
00337 dba_err dba_vartable_iterate(dba_vartable table, dba_vartable_iterator func, void* data);
00338
00339 #ifdef __cplusplus
00340 }
00341 #endif
00342
00343 #endif
00344