Diffstat (limited to 'libical/src/libicalss/icalgauge.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libical/src/libicalss/icalgauge.c | 172 |
1 files changed, 127 insertions, 45 deletions
diff --git a/libical/src/libicalss/icalgauge.c b/libical/src/libicalss/icalgauge.c index b958ecf..f4854c7 100644 --- a/libical/src/libicalss/icalgauge.c +++ b/libical/src/libicalss/icalgauge.c @@ -32,13 +32,15 @@ #include <stdlib.h> -extern char* input_buffer; -extern char* input_buffer_p; -int ssparse(void); +#include "icalssyacc.h" -struct icalgauge_impl *icalss_yy_gauge; +typedef void* yyscan_t; -icalgauge* icalgauge_new_from_sql(char* sql) +int ssparse(yyscan_t ); + + +icalgauge* icalgauge_new_from_sql(char* sql, int expand) { struct icalgauge_impl *impl; + yyscan_t yy_globals = NULL; int r; @@ -53,25 +55,40 @@ icalgauge* icalgauge_new_from_sql(char* sql) impl->from = pvl_newlist(); impl->where = pvl_newlist(); + impl->expand = expand; + + sslex_init(&yy_globals); + + ssset_extra(impl, yy_globals); - icalss_yy_gauge = impl; + ss_scan_string(sql, yy_globals); - input_buffer_p = input_buffer = sql; - r = ssparse(); + r = ssparse(yy_globals); + sslex_destroy(yy_globals); - return impl; + if (r == 0) { + return impl; + } + else { + icalgauge_free(impl); + return NULL; + } } +int icalgauge_get_expand(icalgauge* gauge) +{ +return (gauge->expand); + +} void icalgauge_free(icalgauge* gauge) { - struct icalgauge_impl *impl = (struct icalgauge_impl*)gauge; struct icalgauge_where *w; - assert(impl->select != 0); - assert(impl->where != 0); - assert(impl->from != 0); + assert(gauge->select != 0); + assert(gauge->where != 0); + assert(gauge->from != 0); - if(impl->select){ - while( (w=pvl_pop(impl->select)) != 0){ + if(gauge->select){ + while( (w=pvl_pop(gauge->select)) != 0){ if(w->value != 0){ free(w->value); @@ -79,9 +96,10 @@ void icalgauge_free(icalgauge* gauge) free(w); } - pvl_free(impl->select); + pvl_free(gauge->select); + gauge->select = 0; } - if(impl->where){ - while( (w=pvl_pop(impl->where)) != 0){ + if(gauge->where){ + while( (w=pvl_pop(gauge->where)) != 0){ if(w->value != 0){ @@ -90,21 +108,27 @@ void icalgauge_free(icalgauge* gauge) free(w); } - pvl_free(impl->where); + pvl_free(gauge->where); + gauge->where = 0; } - if(impl->from){ - pvl_free(impl->from); + if(gauge->from){ + pvl_free(gauge->from); + gauge->from = 0; } + + free(gauge); } -/* Convert a VQUERY component into a gauge */ + +/** Convert a VQUERY component into a gauge */ icalcomponent* icalgauge_make_gauge(icalcomponent* query); -/* icaldirset_test compares a component against a gauge, and returns +/** + icaldirset_test compares a component against a gauge, and returns true if the component passes the test The gauge is a VCALENDAR component that specifies how to test the - target components. The guage holds a collection of VEVENT, VTODO or + target components. The gauge holds a collection of VEVENT, VTODO or VJOURNAL sub-components. Each of the sub-components has a collection of properties that are compared to corresponding @@ -253,24 +277,43 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) { - struct icalgauge_impl *impl = (struct icalgauge_impl*)gauge; icalcomponent *inner; int local_pass = 0; int last_clause = 1, this_clause = 1; pvl_elem e; + icalcomponent_kind kind; + icalproperty *rrule; + int compare_recur = 0; + icalerror_check_arg_rz( (comp!=0), "comp"); icalerror_check_arg_rz( (gauge!=0), "gauge"); + if (gauge == 0 || comp == 0) return 0; + inner = icalcomponent_get_first_real_component(comp); if(inner == 0){ - icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); - return 0; + /* Wally Yau: our component is not always wrapped with + * a <VCALENDAR>. It's not an error. + * icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); + * return 0; */ + kind = icalcomponent_isa(comp); + if(kind == ICAL_VEVENT_COMPONENT || + kind == ICAL_VTODO_COMPONENT || + kind == ICAL_VJOURNAL_COMPONENT || + kind == ICAL_VQUERY_COMPONENT || + kind == ICAL_VAGENDA_COMPONENT){ + inner = comp; + } + else { + icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); + return 0; + } + inner = comp; } - /* Check that this component is one of the FROM types */ local_pass = 0; - for(e = pvl_head(impl->from);e!=0;e=pvl_next(e)){ + for(e = pvl_head(gauge->from);e!=0;e=pvl_next(e)){ icalcomponent_kind k = (icalcomponent_kind)pvl_data(e); @@ -285,6 +328,6 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) - /* Check each where clause against the component */ - for(e = pvl_head(impl->where);e!=0;e=pvl_next(e)){ + /**** Check each where clause against the component ****/ + for(e = pvl_head(gauge->where);e!=0;e=pvl_next(e)){ struct icalgauge_where *w = pvl_data(e); icalcomponent *sub_comp; @@ -302,9 +345,12 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) if(vk == ICAL_NO_VALUE){ - icalerror_set_errno(ICAL_INTERNAL_ERROR); + icalerror_set_errno(ICAL_INTERNAL_ERROR); return 0; } - v = icalvalue_new_from_string(vk,w->value); + if (w->compare == ICALGAUGECOMPARE_ISNULL || w->compare == ICALGAUGECOMPARE_ISNOTNULL) + v = icalvalue_new(vk); + else + v = icalvalue_new_from_string(vk,w->value); if (v == 0){ @@ -325,6 +371,23 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) } + /* check if it is a recurring */ + rrule = icalcomponent_get_first_property(sub_comp,ICAL_RRULE_PROPERTY); + + if (gauge->expand + && rrule) { + + if (w->prop == ICAL_DTSTART_PROPERTY || + w->prop == ICAL_DTEND_PROPERTY || + w->prop == ICAL_DUE_PROPERTY){ + /** needs to use recurrence-id to do comparison */ + compare_recur = 1; + } + + } + + this_clause = 0; - local_pass = 0; + local_pass = (w->compare == ICALGAUGECOMPARE_ISNULL) ? 1 : 0; + for(prop = icalcomponent_get_first_property(sub_comp,w->prop); prop != 0; @@ -333,4 +396,19 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) icalgaugecompare relation; + if (w->compare == ICALGAUGECOMPARE_ISNULL) { + local_pass = 0; + break; + } + + if (w->compare == ICALGAUGECOMPARE_ISNOTNULL) { + local_pass = 1; + break; + } + + if (compare_recur) { + icalproperty *p = icalcomponent_get_first_property(sub_comp, ICAL_RECURRENCEID_PROPERTY); + prop_value = icalproperty_get_value(p); + } + else /* prop value from this component */ prop_value = icalproperty_get_value(prop); @@ -356,6 +434,8 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) } + this_clause = local_pass > 0 ? 1 : 0; + /* Now look at the logic operator for this clause to see how the value should be merge with the previous clause */ @@ -363,10 +443,13 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) if(w->logic == ICALGAUGELOGIC_AND){ last_clause = this_clause && last_clause; - } else if(w->logic == ICALGAUGELOGIC_AND) { + } else if(w->logic == ICALGAUGELOGIC_OR) { last_clause = this_clause || last_clause; } else { last_clause = this_clause; } - } + + icalvalue_free(v); + + }/**** check next one in where clause ****/ return last_clause; @@ -374,14 +457,15 @@ int icalgauge_compare(icalgauge* gauge,icalcomponent* comp) } +/** @brief Debug + * Print gauge information to stdout. + */ -void icalgauge_dump(icalcomponent* gauge) +void icalgauge_dump(icalgauge* gauge) { - pvl_elem *p; - struct icalgauge_impl *impl = (struct icalgauge_impl*)gauge; - + pvl_elem p; printf("--- Select ---\n"); - for(p = pvl_head(impl->select);p!=0;p=pvl_next(p)){ + for(p = pvl_head(gauge->select);p!=0;p=pvl_next(p)){ struct icalgauge_where *w = pvl_data(p); @@ -408,5 +492,5 @@ void icalgauge_dump(icalcomponent* gauge) printf("--- From ---\n"); - for(p = pvl_head(impl->from);p!=0;p=pvl_next(p)){ + for(p = pvl_head(gauge->from);p!=0;p=pvl_next(p)){ icalcomponent_kind k = (icalcomponent_kind)pvl_data(p); @@ -415,5 +499,5 @@ void icalgauge_dump(icalcomponent* gauge) printf("--- Where ---\n"); - for(p = pvl_head(impl->where);p!=0;p=pvl_next(p)){ + for(p = pvl_head(gauge->where);p!=0;p=pvl_next(p)){ struct icalgauge_where *w = pvl_data(p); @@ -442,6 +526,4 @@ void icalgauge_dump(icalcomponent* gauge) printf("\n"); } - - } |