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#include "guile_interface.h"
#include "calendar.h"
#include "guile_type_helpers.h"
static SCM vcomponent_type;
void init_vcomponent_type (void) {
SCM name = scm_from_utf8_symbol("vcomponent");
SCM slots = scm_list_1(scm_from_utf8_symbol("data"));
vcomponent_type = scm_make_foreign_object_type(name, slots, NULL);
}
SCM_DEFINE (make_vcomponent, "%vcomponent-make", 1, 0, 0,
(SCM path),
"Loads a vdir iCalendar from the given path.")
{
vcomponent* cal =
(vcomponent*) scm_gc_malloc (
sizeof(*cal), "vcomponent");
INIT(vcomponent, cal, "ROOT");
char* p = scm_to_utf8_stringn(path, NULL);
read_vcalendar(cal, p);
free(p);
return scm_from_vcomponent (cal);
}
/*
* Returns a line from a component.
*/
SCM_DEFINE (vcomponent_get_attribute, "%vcomponent-get-attribute", 2, 0, 0,
(SCM calendar, SCM attr),
"Retuns the given attribute from the vevent object at index in calendar.")
{
scm_assert_foreign_object_type (vcomponent_type, calendar);
vcomponent* cal = scm_foreign_object_ref (calendar, 0);
char* key = scm_to_utf8_stringn(scm_string_upcase(attr), NULL);
content_line* c = get_property (cal, key);
free(key);
if (c == NULL) return SCM_BOOL_F;
SCM llist = SCM_EOL;
FOR (LLIST, content_set, v, c) {
llist = scm_cons(scm_from_strbuf(&v->key), llist);
}
/* returns the car of list if list is one long. */
if (scm_to_int(scm_length(llist)) == 1) {
return SCM_CAR(llist);
} else {
return llist;
}
}
SCM_DEFINE (vcomponent_set_attr_x, "%vcomponent-set-attribute!", 3, 0, 0,
(SCM component, SCM attr, SCM new_value),
"")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* com = scm_foreign_object_ref (component, 0);
char* key = scm_to_utf8_stringn(scm_string_upcase(attr), NULL);
content_line* c = get_property (com, key);
/* Create the position in the TRIE if it doesn't already exist */
if (c == NULL) {
/* Insert empty key since this allows me to use the helper
* function */
vcomponent_push_val(com, key, "");
c = get_property (com, key);
} else {
/* If the object already exists it should be protected,
* so unprotect it
*/
scm_gc_unprotect_object(c->cur->value->key.scm);
}
free(key);
c->cur->value->key.scm = new_value;
scm_gc_protect_object(c->cur->value->key.scm);
return SCM_UNSPECIFIED;
}
SCM_DEFINE (vcomponent_child_count, "%vcomponent-child-count", 1, 0, 0,
(SCM component),
"Returns number of child components.")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* c = scm_foreign_object_ref (component, 0);
return scm_from_size_t (SIZE(LLIST(vcomponent))(&c->components));
}
SCM_DEFINE(vcomponent_children, "%vcomponent-children", 1, 0, 0,
(SCM component),
"")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* cal = scm_foreign_object_ref (component, 0);
SCM llist = SCM_EOL;
FOR (LLIST, vcomponent, v, &cal->components) {
llist = scm_cons(scm_from_vcomponent(v), llist);
}
return llist;
}
SCM_DEFINE(vcomponent_filter_children_x, "%vcomponent-filter-children!",
2, 0, 0,
(SCM pred, SCM component),
"Remove all children from component who DOESN'T satisfy `pred`")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* cal = scm_foreign_object_ref (component, 0);
for (LINK(vcomponent)* l = FIRST(&cal->components);
l->after != NULL;
l = l->after)
{
if (scm_is_false(scm_call_1 (pred, scm_from_vcomponent(l->value)))) {
FFREE(vcomponent, l->value);
UNLINK(LINK(vcomponent))(l);
}
}
return SCM_UNSPECIFIED;
}
SCM_DEFINE(vcomponent_push_child_x, "%vcomponent-push-child!", 2, 0, 0,
(SCM component, SCM child),
"")
{
scm_assert_foreign_object_type (vcomponent_type, component);
scm_assert_foreign_object_type (vcomponent_type, child);
vcomponent* comp = scm_foreign_object_ref (component, 0);
vcomponent* chil = scm_foreign_object_ref (child, 0);
PUSH(vcomponent)(comp, chil);
return SCM_UNSPECIFIED;
}
SCM_DEFINE (vcomponent_parent, "%vcomponent-parent", 1, 0, 0,
(SCM component),
"")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* comp = scm_foreign_object_ref (component, 0);
vcomponent* parent = comp->parent;
if (strcmp(parent->type, "ROOT") == 0) {
return SCM_BOOL_F;
} else {
return scm_from_vcomponent(parent);
}
}
SCM_DEFINE(vcomponent_typeof, "%vcomponent-type", 1, 0, 0,
(SCM component),
"Returns type of vcomponent")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* comp = scm_foreign_object_ref (component, 0);
return scm_from_utf8_symbol(comp->type);
}
SCM scm_from_vcomponent(vcomponent* v) {
if (v->scm == NULL) {
v->scm = scm_make_foreign_object_1 (vcomponent_type, v);
scm_gc_protect_object(v->scm);
}
return v->scm;
}
SCM_DEFINE(vcomponent_attr_list, "%vcomponent-attribute-list", 1, 0, 0,
(SCM component),
"Returns list of all keys in component.")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* comp = scm_foreign_object_ref (component, 0);
LLIST(strbuf)* keys = KEYS(TRIE(content_line))(&comp->clines);
SCM llist = SCM_EOL;
FOR (LLIST, strbuf, s, keys) {
llist = scm_cons(scm_from_strbuf(s), llist);
}
FFREE(LLIST(strbuf), keys);
return llist;
}
SCM_DEFINE(vcomponent_shallow_copy, "%vcomponent-shallow-copy", 1, 0, 0,
(SCM component),
"Creates a shallow copy of the given component.")
{
scm_assert_foreign_object_type (vcomponent_type, component);
vcomponent* src = scm_foreign_object_ref (component, 0);
vcomponent* dest =
(vcomponent*) scm_gc_malloc (
sizeof(*dest), "vcomponent");
INIT(vcomponent, dest, src->type, NULL);
vcomponent_copy (dest, src);
return scm_from_vcomponent (dest);
}
void init_lib (void) {
init_vcomponent_type();
#ifndef SCM_MAGIC_SNARFER
#include "guile_interface.x"
#endif
}
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