Files
ivy/common/selector.c

132 lines
2.5 KiB
C

#include <blue/core/queue.h>
#include <blue/core/stringstream.h>
#include <blue/object/string.h>
#include <ivy/selector.h>
#include <stdlib.h>
#include <string.h>
enum ivy_status ivy_selector_create(struct ivy_selector **sel)
{
struct ivy_selector *out = malloc(sizeof *out);
if (!out) {
return IVY_ERR_NO_MEMORY;
}
memset(out, 0x0, sizeof *out);
*sel = out;
return IVY_OK;
}
void ivy_selector_destroy(struct ivy_selector *sel)
{
if (sel->sel_name) {
free(sel->sel_name);
}
b_queue_iterator it = {0};
b_queue_iterator_begin(&sel->sel_args, &it);
while (b_queue_iterator_is_valid(&it)) {
struct ivy_selector_arg *arg
= b_unbox(struct ivy_selector_arg, it.entry, arg_entry);
b_queue_iterator_erase(&it);
if (arg->arg_label) {
free(arg->arg_label);
}
if (arg->arg_name) {
free(arg->arg_name);
}
free(arg);
}
free(sel);
}
void ivy_selector_set_recipient(
struct ivy_selector *sel, enum ivy_selector_recipient r)
{
sel->sel_recipient = r;
}
enum ivy_status ivy_selector_set_name(struct ivy_selector *sel, const char *name)
{
sel->sel_name = b_strdup(name);
return sel->sel_name ? IVY_OK : IVY_ERR_NO_MEMORY;
}
enum ivy_status ivy_selector_add_arg(
struct ivy_selector *sel, const char *label, const char *name)
{
struct ivy_selector_arg *arg = malloc(sizeof *arg);
if (!arg) {
return IVY_ERR_NO_MEMORY;
}
memset(arg, 0x0, sizeof *arg);
if (label) {
arg->arg_label = b_strdup(label);
if (!arg->arg_label) {
free(arg);
return IVY_ERR_NO_MEMORY;
}
}
if (name) {
arg->arg_name = b_strdup(name);
if (!arg->arg_name) {
free(arg->arg_label);
free(arg);
return IVY_ERR_NO_MEMORY;
}
}
b_queue_push_back(&sel->sel_args, &arg->arg_entry);
return IVY_OK;
}
size_t ivy_selector_to_string(const struct ivy_selector *sel, char *out, size_t max)
{
b_stringstream str;
b_stringstream_begin(&str, out, max);
switch (sel->sel_recipient) {
case IVY_SEL_OBJECT:
b_stringstream_add(&str, "-");
break;
case IVY_SEL_CLASS:
b_stringstream_add(&str, "+");
break;
default:
break;
}
if (sel->sel_name) {
b_stringstream_add(&str, sel->sel_name);
}
if (sel->sel_name && !b_queue_empty(&sel->sel_args)) {
b_stringstream_add(&str, "(");
}
b_queue_iterator it;
b_queue_foreach (&it, &sel->sel_args) {
struct ivy_selector_arg *arg
= b_unbox(struct ivy_selector_arg, it.entry, arg_entry);
b_stringstream_addf(
&str, "%s:", arg->arg_label ? arg->arg_label : "_");
}
if (sel->sel_name && !b_queue_empty(&sel->sel_args)) {
b_stringstream_add(&str, ")");
}
return b_stringstream_get_length(&str);
}