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/* This file is part of "xtrace"
* Copyright (C) 2006 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <assert.h>
#include <limits.h>
#include <stdint.h>
#include <sys/types.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "xtrace.h"
#define CONSTANT_ATOMS 68
static const char *constant_atoms[CONSTANT_ATOMS] = {
"PRIMARY", "SECONDARY", "ARC", "ATOM",
"BITMAP", "CARDINAL", "COLORMAP", "CURSOR",
"CUT_BUFFER0", "CUT_BUFFER1", "CUT_BUFFER2", "CUT_BUFFER3",
"CUT_BUFFER4", "CUT_BUFFER5", "CUT_BUFFER6", "CUT_BUFFER7",
"DRAWABLE", "FONT", "INTEGER", "PIXMAP",
"POINT", "RECTANGLE", "RESOURCE_MANAGER", "RGB_COLOR_MAP",
"RGB_BEST_MAP", "RGB_BLUE_MAP", "RGB_DEFAULT_MAP", "RGB_GRAY_MAP",
"RGB_GREEN_MAP", "RGB_RED_MAP", "STRING", "VISUALID",
"WINDOW", "WM_COMMAND", "WM_HINTS", "WM_CLIENT_MACHINE",
"WM_ICON_NAME", "WM_ICON_SIZE", "WM_NAME", "WM_NORMAL_HINTS",
"WM_SIZE_HINTS", "WM_ZOOM_HINTS", "MIN_SPACE", "NORM_SPACE",
"MAX_SPACE", "END_SPACE", "SUPERSCRIPT_X", "SUPERSCRIPT_Y",
"SUBSCRIPT_X", "SUBSCRIPT_Y", "UNDERLINE_POSITION", "UNDERLINE_THICKNESS",
"STRIKEOUT_ASCENT", "STRIKEOUT_DESCENT", "ITALIC_ANGLE", "X_HEIGHT",
"QUAD_WIDTH", "WEIGHT", "POINT_SIZE", "RESOLUTION",
"COPYRIGHT", "NOTICE", "FONT_NAME", "FAMILY_NAME",
"FULL_NAME", "CAP_HEIGHT", "WM_CLASS", "WM_TRANSIENT_FOR"
};
struct atom {
struct atom *left,*right;
uint32_t atom;
char name[];
};
/* TODO: add connection specific values, too, to be activated on mismatch */
struct atom *atom_root = NULL;
struct atom *newAtom(const char *name, size_t len) {
struct atom *atom;
atom = malloc(sizeof(struct atom)+len+1);
if( atom == NULL )
abort();
memcpy(atom->name,name,len);
atom->name[len] = '\0';
return atom;
}
const char *getAtom(struct connection *c UNUSED, uint32_t atom) {
struct atom *p;
if( atom <= 0 )
return NULL;
if( atom <= CONSTANT_ATOMS )
return constant_atoms[atom-1];
atom -= CONSTANT_ATOMS;
p = atom_root;
while( p != NULL ) {
if( p->atom == atom )
return p->name;
if( p->atom > atom )
p = p->left;
else
p = p->right;
}
return NULL;
}
void internAtom(struct connection *c UNUSED, uint32_t atom, struct atom *data) {
struct atom **p;
uint32_t lastmask;
if( atom <= CONSTANT_ATOMS ) {
free(data);
return;
}
assert( data != NULL );
atom -= CONSTANT_ATOMS; /* still always > 0 */
data->atom = atom;
p = &atom_root;
lastmask = 0;
while( *p != NULL ) {
uint32_t k;
k = (*p)->atom;
if( atom == k ) {
if( strcmp((*p)->name, data->name) != 0 )
fprintf(stderr,"Mismatch in InternAtom: Got %x = '%s', but remember = '%s'!\n",(unsigned int)atom,data->name,(*p)->name);
free(data);
return;
} else if( atom > k ) {
p = &(*p)->right;
} else { /* atom < k */
p = &(*p)->left;
}
}
*p = data;
data->left = NULL;
data->right = NULL;
}
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