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// =============================================================== //
// //
// File : gb_header.h //
// Purpose : //
// //
// Institute of Microbiology (Technical University Munich) //
// http://www.arb-home.de/ //
// //
// =============================================================== //
#ifndef GB_HEADER_H
#define GB_HEADER_H
#ifndef GB_DATA_H
#include "gb_data.h"
#endif
struct gb_header_flags {
unsigned int flags : GB_MAX_USERS; // public
unsigned int key_quark : 24; // == 0 -> invalid
unsigned int changed : 3;
unsigned int ever_changed : 1; // is this element ever changed
void set_change(GB_CHANGE val) {
changed = val;
ever_changed = 1;
}
void inc_change(GB_CHANGE val) {
if (changed<unsigned(val)) set_change(val);
}
};
struct gb_header_list { // public fast flags
gb_header_flags flags;
GB_REL_GBDATA rel_hl_gbd;
/* pointer to data
if 0 & !key_index -> free data
if 0 & key_index -> data only in server */
};
inline GBDATA *GB_HEADER_LIST_GBD(gb_header_list& hl) {
return GB_RESOLVE(GBDATA*, (&(hl)), rel_hl_gbd);
}
inline void SET_GB_HEADER_LIST_GBD(gb_header_list& hl, GBDATA *gbd) {
GB_SETREL(&hl, rel_hl_gbd, gbd);
}
inline gb_header_flags& GB_ARRAY_FLAGS(GBDATA *gbd) { return GB_DATA_LIST_HEADER(GB_FATHER(gbd)->d)[gbd->index].flags; }
// ---------------------------------
// container element access
inline GBDATA *EXISTING_GBCONTAINER_ELEM(GBCONTAINER *gbc, int idx) {
return GB_HEADER_LIST_GBD(GB_DATA_LIST_HEADER((gbc)->d)[idx]);
}
inline GBDATA *GBCONTAINER_ELEM(GBCONTAINER *gbc, int idx) {
return (idx<gbc->d.nheader) ? EXISTING_GBCONTAINER_ELEM(gbc, idx) : (GBDATA*)NULL;
}
inline void SET_GBCONTAINER_ELEM(GBCONTAINER *gbc, int idx, GBDATA *gbd) {
SET_GB_HEADER_LIST_GBD(GB_DATA_LIST_HEADER(gbc->d)[idx], gbd);
}
#else
#error gb_header.h included twice
#endif // GB_HEADER_H
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