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%{
#include <xcb/xcb.h>
#include <stdlib.h>
#include "xcb_atom.h"
define(`COUNT', 0)dnl
define(`DO', `const xcb_atom_t $1 = define(`COUNT', incr(COUNT))COUNT;')dnl
include(atomlist.m4)`'dnl
%}
%readonly-tables
%pic
%null-strings
%enum
%includes
%compare-strncmp
%struct-type
struct atom_map { int name; xcb_atom_t value; };
%%
define(`DO', `$1,define(`COUNT', incr(COUNT))COUNT')dnl
include(atomlist.m4)`'dnl
%%
static const char *const atom_names[] = {
define(`DO', ` "$1",')dnl
include(atomlist.m4)`'dnl
};
xcb_atom_t intern_atom_predefined(uint16_t name_len, const char *name)
{
const struct atom_map *value = in_word_set(name, name_len);
xcb_atom_t ret = XCB_NONE;
if(value)
ret = value->value;
return ret;
}
intern_atom_fast_cookie_t intern_atom_fast(xcb_connection_t *c, uint8_t only_if_exists, uint16_t name_len, const char *name)
{
intern_atom_fast_cookie_t cookie;
if((cookie.u.atom = intern_atom_predefined(name_len, name)) != XCB_NONE)
{
cookie.tag = TAG_VALUE;
return cookie;
}
cookie.tag = TAG_COOKIE;
cookie.u.cookie = xcb_intern_atom(c, only_if_exists, name_len, name);
return cookie;
}
xcb_atom_t intern_atom_fast_reply(xcb_connection_t *c, intern_atom_fast_cookie_t cookie, xcb_generic_error_t **e)
{
switch(cookie.tag)
{
xcb_intern_atom_reply_t *reply;
case TAG_VALUE:
if(e)
*e = 0;
break;
case TAG_COOKIE:
reply = xcb_intern_atom_reply(c, cookie.u.cookie, e);
if(reply)
{
cookie.u.atom = reply->atom;
free(reply);
}
else
cookie.u.atom = XCB_NONE;
break;
}
return cookie.u.atom;
}
const char *get_atom_name_predefined(xcb_atom_t atom)
{
if(atom <= 0 || atom > (sizeof(atom_names) / sizeof(*atom_names)))
return 0;
return atom_names[atom - 1];
}
int get_atom_name(xcb_connection_t *c, xcb_atom_t atom, const char **namep, int *lengthp)
{
static char buf[100];
const char *name = get_atom_name_predefined(atom);
int namelen;
xcb_get_atom_name_cookie_t atomc;
xcb_get_atom_name_reply_t *atomr;
if(name)
{
*namep = name;
*lengthp = strlen(name);
return 1;
}
atomc = xcb_get_atom_name(c, atom);
atomr = xcb_get_atom_name_reply(c, atomc, 0);
if(!atomr)
return 0;
namelen = xcb_get_atom_name_name_length(atomr);
if(namelen > sizeof(buf))
namelen = sizeof(buf);
*lengthp = namelen;
memcpy(buf, xcb_get_atom_name_name(atomr), namelen);
*namep = buf;
free(atomr);
return 1;
}
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