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#include "scheme.h"
#include "macro.h"
#include "calendar.h"
#include "strbuf.h"
static SCM calendar_type;
void init_calendar_type (void) {
SCM name = scm_from_utf8_symbol("calendar");
SCM slots = scm_list_1(scm_from_utf8_symbol("data"));
calendar_type = scm_make_foreign_object_type(name, slots, NULL);
}
SCM_DEFINE (make_calendar, "make-calendar", 1, 0, 0,
(SCM path),
"Loads a vdir iCalendar from the given path.")
{
vcomponent* cal =
(vcomponent*) scm_gc_malloc (
sizeof(*cal), "calendar");
INIT(vcomponent, cal, "ROOT");
char* p = scm_to_utf8_stringn(path, NULL);
read_vcalendar(cal, p);
free(p);
return scm_make_foreign_object_1
(calendar_type, cal);
}
SCM scm_from_strbuf(strbuf* s) {
return scm_from_utf8_stringn (s->mem, s->len - 2);
}
SCM scm_from_llist(LLIST(strbuf)* lst) {
SCM llist = SCM_EOL;
for ( LINK(strbuf)* n = FIRST(lst);
n->after != NULL;
n = n->after) {
llist = scm_cons(scm_from_strbuf(n->value), llist);
}
return llist;
}
SCM_DEFINE (calendar_get_attr, "calendar-get-attr", 3, 0, 0,
(SCM calendar, SCM id, SCM attr),
"Retuns the given attribute from the vevent object at index in calendar.")
{
scm_assert_foreign_object_type (calendar_type, calendar);
vcomponent* cal = scm_foreign_object_ref (calendar, 0);
vcomponent* v = cal->components.items[scm_to_int(id)];
char* key = scm_to_utf8_stringn(scm_string_upcase(attr), NULL);
content_line* c = get_property (v, key);
free(key);
if (c == NULL) return SCM_BOOL_F;
return scm_from_llist(&c->vals);
}
SCM scm_from_trie_node(TRIE_NODE(content_line)* node) {
TRIE_NODE(content_line)* n = node->child;
SCM childs = SCM_EOL;
while (n != NULL) {
childs = scm_cons(scm_from_trie_node(n), childs);
n = n->next;
}
SCM lst;
if (node->value != NULL) {
lst = scm_cons(scm_from_char(node->c),
scm_from_llist(&node->value->vals));
} else {
lst = scm_list_1(scm_from_char(node->c));
}
return scm_cons (lst, childs);
}
SCM scm_from_trie(TRIE(content_line)* trie) {
return scm_from_trie_node (trie->root);
}
SCM scm_from_vector(VECT(vcomponent)* vect) {
SCM l = SCM_EOL;
for (size_t i = 0; i < vect->length; i++) {
l = scm_cons(
scm_make_foreign_object_1 (calendar_type, GET(VECT(vcomponent))(vect, i)),
l);
}
return scm_reverse(l);
}
SCM_DEFINE (calendar_size, "calendar-size", 1, 0, 0,
(SCM calendar),
"Returns number of events in a vcalendar.")
{
scm_assert_foreign_object_type (calendar_type, calendar);
vcomponent* cal = scm_foreign_object_ref (calendar, 0);
return scm_from_size_t (cal->components.length);
}
SCM_DEFINE (calendar_properties, "primitive-get-properties", 1, 0, 0,
(SCM calendar),
"Returns the TRIE from a calendar object")
{
scm_assert_foreign_object_type (calendar_type, calendar);
vcomponent* cal = scm_foreign_object_ref (calendar, 0);
return scm_from_trie(&cal->clines);
}
SCM_DEFINE(calendar_components, "get-components", 1, 0, 0,
(SCM component),
"")
{
scm_assert_foreign_object_type (calendar_type, component);
vcomponent* cal = scm_foreign_object_ref (component, 0);
return scm_from_vector(&cal->components);
}
SCM_DEFINE(component_type, "component-type", 1, 0, 0,
(SCM component),
"Returns type of vcomponent#")
{
scm_assert_foreign_object_type (calendar_type, component);
vcomponent* comp = scm_foreign_object_ref (component, 0);
return scm_from_utf8_symbol(comp->type);
}
void init_calendar () {
init_calendar_type();
#ifndef SCM_MAGIC_SNARFER
#include "scheme.x"
#endif
}
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