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Diffstat (limited to 'libical/src/libicalss/icalgauge.c')
| -rw-r--r-- | libical/src/libicalss/icalgauge.c | 447 |
1 files changed, 0 insertions, 447 deletions
diff --git a/libical/src/libicalss/icalgauge.c b/libical/src/libicalss/icalgauge.c deleted file mode 100644 index b958ecfc9d..0000000000 --- a/libical/src/libicalss/icalgauge.c +++ /dev/null @@ -1,447 +0,0 @@ -/* -*- Mode: C -*- */ -/*====================================================================== - FILE: icalgauge.c - CREATOR: eric 23 December 1999 - - - $Id$ - $Locker$ - - (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org - - This program is free software; you can redistribute it and/or modify - it under the terms of either: - - The LGPL as published by the Free Software Foundation, version - 2.1, available at: http://www.fsf.org/copyleft/lesser.html - - Or: - - The Mozilla Public License Version 1.0. You may obtain a copy of - the License at http://www.mozilla.org/MPL/ - - The Original Code is eric. The Initial Developer of the Original - Code is Eric Busboom - - -======================================================================*/ - -#include "ical.h" -#include "icalgauge.h" -#include "icalgaugeimpl.h" -#include <stdlib.h> - -extern char* input_buffer; -extern char* input_buffer_p; -int ssparse(void); - -struct icalgauge_impl *icalss_yy_gauge; - -icalgauge* icalgauge_new_from_sql(char* sql) -{ - struct icalgauge_impl *impl; - - int r; - - if ( ( impl = (struct icalgauge_impl*) - malloc(sizeof(struct icalgauge_impl))) == 0) { - icalerror_set_errno(ICAL_NEWFAILED_ERROR); - return 0; - } - - impl->select = pvl_newlist(); - impl->from = pvl_newlist(); - impl->where = pvl_newlist(); - - icalss_yy_gauge = impl; - - input_buffer_p = input_buffer = sql; - r = ssparse(); - - return impl; -} - - -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); - - if(impl->select){ - while( (w=pvl_pop(impl->select)) != 0){ - if(w->value != 0){ - free(w->value); - } - free(w); - } - pvl_free(impl->select); - } - - if(impl->where){ - while( (w=pvl_pop(impl->where)) != 0){ - - if(w->value != 0){ - free(w->value); - } - free(w); - } - pvl_free(impl->where); - } - - if(impl->from){ - pvl_free(impl->from); - } - -} - -/* Convert a VQUERY component into a gauge */ -icalcomponent* icalgauge_make_gauge(icalcomponent* query); - -/* 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 - VJOURNAL sub-components. Each of the sub-components has a - collection of properties that are compared to corresponding - properties in the target component, according to the - X-LIC-COMPARETYPE parameters to the gauge's properties. - - When a gauge has several sub-components, the results of testing the - target against each of them is ORed together - the target - component will pass if it matches any of the sub-components in the - gauge. However, the results of matching the properties in a - sub-component are ANDed -- the target must match every property in - a gauge sub-component to match the sub-component. - - Here is an example: - - BEGIN:XROOT - DTSTART;X-LIC-COMPARETYPE=LESS:19981025T020000 - ORGANIZER;X-LIC-COMPARETYPE=EQUAL:mrbig@host.com - END:XROOT - BEGIN:XROOT - LOCATION;X-LIC-COMPARETYPE=EQUAL:McNary's Pub - END:XROOT - - This gauge has two sub-components; one which will match a VEVENT - based on start time, and organizer, and another that matches based - on LOCATION. A target component will pass the test if it matched - either of the sub-components. - - */ - - -int icalgauge_compare_recurse(icalcomponent* comp, icalcomponent* gauge) -{ - int pass = 1,localpass = 0; - icalproperty *p; - icalcomponent *child,*subgauge; - icalcomponent_kind gaugekind, compkind; - - icalerror_check_arg_rz( (comp!=0), "comp"); - icalerror_check_arg_rz( (gauge!=0), "gauge"); - - gaugekind = icalcomponent_isa(gauge); - compkind = icalcomponent_isa(comp); - - if( ! (gaugekind == compkind || gaugekind == ICAL_ANY_COMPONENT) ){ - return 0; - } - - /* Test properties. For each property in the gauge, search through - the component for a similar property. If one is found, compare - the two properties value with the comparison specified in the - gauge with the X-LIC-COMPARETYPE parameter */ - - for(p = icalcomponent_get_first_property(gauge,ICAL_ANY_PROPERTY); - p != 0; - p = icalcomponent_get_next_property(gauge,ICAL_ANY_PROPERTY)){ - - icalproperty* targetprop; - icalparameter* compareparam; - icalparameter_xliccomparetype compare; - int rel; /* The relationship between the gauge and target values.*/ - - /* Extract the comparison type from the gauge. If there is no - comparison type, assume that it is "EQUAL" */ - - compareparam = icalproperty_get_first_parameter( - p, - ICAL_XLICCOMPARETYPE_PARAMETER); - - if (compareparam!=0){ - compare = icalparameter_get_xliccomparetype(compareparam); - } else { - compare = ICAL_XLICCOMPARETYPE_EQUAL; - } - - /* Find a property in the component that has the same type - as the gauge property. HACK -- multiples of a single - property type in the gauge will match only the first - instance in the component */ - - targetprop = icalcomponent_get_first_property(comp, - icalproperty_isa(p)); - - if(targetprop != 0){ - - /* Compare the values of the gauge property and the target - property */ - - rel = icalvalue_compare(icalproperty_get_value(p), - icalproperty_get_value(targetprop)); - - /* Now see if the comparison is equavalent to the comparison - specified in the gauge */ - - if (rel == compare){ - localpass++; - } else if (compare == ICAL_XLICCOMPARETYPE_LESSEQUAL && - ( rel == ICAL_XLICCOMPARETYPE_LESS || - rel == ICAL_XLICCOMPARETYPE_EQUAL)) { - localpass++; - } else if (compare == ICAL_XLICCOMPARETYPE_GREATEREQUAL && - ( rel == ICAL_XLICCOMPARETYPE_GREATER || - rel == ICAL_XLICCOMPARETYPE_EQUAL)) { - localpass++; - } else if (compare == ICAL_XLICCOMPARETYPE_NOTEQUAL && - ( rel == ICAL_XLICCOMPARETYPE_GREATER || - rel == ICAL_XLICCOMPARETYPE_LESS)) { - localpass++; - } else { - localpass = 0; - } - - pass = pass && (localpass>0); - } - } - - /* Test subcomponents. Look for a child component that has a - counterpart in the gauge. If one is found, recursively call - icaldirset_test */ - - for(subgauge = icalcomponent_get_first_component(gauge,ICAL_ANY_COMPONENT); - subgauge != 0; - subgauge = icalcomponent_get_next_component(gauge,ICAL_ANY_COMPONENT)){ - - gaugekind = icalcomponent_isa(subgauge); - - if (gaugekind == ICAL_ANY_COMPONENT){ - child = icalcomponent_get_first_component(comp,ICAL_ANY_COMPONENT); - } else { - child = icalcomponent_get_first_component(comp,gaugekind); - } - - if(child !=0){ - localpass = icalgauge_compare_recurse(child,subgauge); - pass = pass && localpass; - } else { - pass = 0; - } - } - - return pass; -} - - -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; - - icalerror_check_arg_rz( (comp!=0), "comp"); - icalerror_check_arg_rz( (gauge!=0), "gauge"); - - inner = icalcomponent_get_first_real_component(comp); - - if(inner == 0){ - icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); - return 0; - } - - - /* 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)){ - icalcomponent_kind k = (icalcomponent_kind)pvl_data(e); - - if(k == icalcomponent_isa(inner)){ - local_pass=1; - } - } - - if(local_pass == 0){ - return 0; - } - - - /* Check each where clause against the component */ - for(e = pvl_head(impl->where);e!=0;e=pvl_next(e)){ - struct icalgauge_where *w = pvl_data(e); - icalcomponent *sub_comp; - icalvalue *v; - icalproperty *prop; - icalvalue_kind vk; - - if(w->prop == ICAL_NO_PROPERTY || w->value == 0){ - icalerror_set_errno(ICAL_INTERNAL_ERROR); - return 0; - } - - /* First, create a value from the gauge */ - vk = icalenum_property_kind_to_value_kind(w->prop); - - if(vk == ICAL_NO_VALUE){ - icalerror_set_errno(ICAL_INTERNAL_ERROR); - return 0; - } - - v = icalvalue_new_from_string(vk,w->value); - - if (v == 0){ - /* Keep error set by icalvalue_from-string*/ - return 0; - } - - /* Now find the corresponding property in the component, - descending into a sub-component if necessary */ - - if(w->comp == ICAL_NO_COMPONENT){ - sub_comp = inner; - } else { - sub_comp = icalcomponent_get_first_component(inner,w->comp); - if(sub_comp == 0){ - return 0; - } - } - - this_clause = 0; - local_pass = 0; - for(prop = icalcomponent_get_first_property(sub_comp,w->prop); - prop != 0; - prop = icalcomponent_get_next_property(sub_comp,w->prop)){ - icalvalue* prop_value; - icalgaugecompare relation; - - prop_value = icalproperty_get_value(prop); - - relation = (icalgaugecompare)icalvalue_compare(prop_value,v); - - if (relation == w->compare){ - local_pass++; - } else if (w->compare == ICALGAUGECOMPARE_LESSEQUAL && - ( relation == ICALGAUGECOMPARE_LESS || - relation == ICALGAUGECOMPARE_EQUAL)) { - local_pass++; - } else if (w->compare == ICALGAUGECOMPARE_GREATEREQUAL && - ( relation == ICALGAUGECOMPARE_GREATER || - relation == ICALGAUGECOMPARE_EQUAL)) { - local_pass++; - } else if (w->compare == ICALGAUGECOMPARE_NOTEQUAL && - ( relation == ICALGAUGECOMPARE_GREATER || - relation == ICALGAUGECOMPARE_LESS)) { - local_pass++; - } else { - local_pass = 0; - } - } - - 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 */ - - if(w->logic == ICALGAUGELOGIC_AND){ - last_clause = this_clause && last_clause; - } else if(w->logic == ICALGAUGELOGIC_AND) { - last_clause = this_clause || last_clause; - } else { - last_clause = this_clause; - } - } - - return last_clause; - -} - - -void icalgauge_dump(icalcomponent* gauge) -{ - - pvl_elem *p; - struct icalgauge_impl *impl = (struct icalgauge_impl*)gauge; - - - printf("--- Select ---\n"); - for(p = pvl_head(impl->select);p!=0;p=pvl_next(p)){ - struct icalgauge_where *w = pvl_data(p); - - if(w->comp != ICAL_NO_COMPONENT){ - printf("%s ",icalenum_component_kind_to_string(w->comp)); - } - - if(w->prop != ICAL_NO_PROPERTY){ - printf("%s ",icalenum_property_kind_to_string(w->prop)); - } - - if (w->compare != ICALGAUGECOMPARE_NONE){ - printf("%d ",w->compare); - } - - - if (w->value!=0){ - printf("%s",w->value); - } - - - printf("\n"); - } - - printf("--- From ---\n"); - for(p = pvl_head(impl->from);p!=0;p=pvl_next(p)){ - icalcomponent_kind k = (icalcomponent_kind)pvl_data(p); - - printf("%s\n",icalenum_component_kind_to_string(k)); - } - - printf("--- Where ---\n"); - for(p = pvl_head(impl->where);p!=0;p=pvl_next(p)){ - struct icalgauge_where *w = pvl_data(p); - - if(w->logic != ICALGAUGELOGIC_NONE){ - printf("%d ",w->logic); - } - - if(w->comp != ICAL_NO_COMPONENT){ - printf("%s ",icalenum_component_kind_to_string(w->comp)); - } - - if(w->prop != ICAL_NO_PROPERTY){ - printf("%s ",icalenum_property_kind_to_string(w->prop)); - } - - if (w->compare != ICALGAUGECOMPARE_NONE){ - printf("%d ",w->compare); - } - - - if (w->value!=0){ - printf("%s",w->value); - } - - - printf("\n"); - } - - -} - |