22 #include "workspace.h"
26 typedef struct yy_buffer_state *YY_BUFFER_STATE;
27 extern int yylex(void);
28 extern int yyparse(void);
30 YY_BUFFER_STATE yy_scan_string(const char *);
32 static struct bindings_head *current_bindings;
36 void yyerror(const char *str) {
37 fprintf(stderr,"error: %s\n",str);
44 void parse_file(const char *f) {
45 SLIST_HEAD(variables_head, Variable) variables = SLIST_HEAD_INITIALIZER(&variables);
46 int fd, ret, read_bytes = 0;
50 char buffer[1026], key[512], value[512];
52 if ((fd = open(f, O_RDONLY)) == -1)
53 die("Could not open configuration file: %s\n", strerror(errno));
55 if (fstat(fd, &stbuf) == -1)
56 die("Could not fstat file: %s\n", strerror(errno));
58 buf = smalloc(stbuf.st_size * sizeof(char));
59 while (read_bytes < stbuf.st_size) {
60 if ((ret = read(fd, buf + read_bytes, (stbuf.st_size - read_bytes))) < 0)
61 die("Could not read(): %s\n", strerror(errno));
65 if (lseek(fd, 0, SEEK_SET) == (off_t)-1)
66 die("Could not lseek: %s\n", strerror(errno));
68 if ((fstr = fdopen(fd, "r")) == NULL)
69 die("Could not fdopen: %s\n", strerror(errno));
72 if (fgets(buffer, 1024, fstr) == NULL) {
75 die("Could not read configuration file\n");
78 /* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */
79 if (sscanf(buffer, "%s %[^\n]", key, value) < 1 ||
80 key[0] == '#' || strlen(key) < 3)
83 if (strcasecmp(key, "set") == 0) {
85 die("Malformed variable assignment, name has to start with $\n");
87 /* get key/value for this variable */
88 char *v_key = value, *v_value;
89 if ((v_value = strstr(value, " ")) == NULL)
90 die("Malformed variable assignment, need a value\n");
94 struct Variable *new = scalloc(sizeof(struct Variable));
95 new->key = sstrdup(v_key);
96 new->value = sstrdup(v_value);
97 SLIST_INSERT_HEAD(&variables, new, variables);
98 LOG("Got new variable %s = %s\n", v_key, v_value);
103 /* For every custom variable, see how often it occurs in the file and
104 * how much extra bytes it requires when replaced. */
105 struct Variable *current, *nearest;
107 SLIST_FOREACH(current, &variables, variables) {
108 int extra = (strlen(current->value) - strlen(current->key));
111 (next = strcasestr(buf + (next - buf), current->key)) != NULL;
112 next += strlen(current->key))
113 extra_bytes += extra;
116 /* Then, allocate a new buffer and copy the file over to the new one,
117 * but replace occurences of our variables */
118 char *walk = buf, *destwalk;
119 char *new = smalloc((stbuf.st_size + extra_bytes + 1) * sizeof(char));
121 while (walk < (buf + stbuf.st_size)) {
122 /* Find the next variable */
123 SLIST_FOREACH(current, &variables, variables)
124 current->next_match = strcasestr(walk, current->key);
126 int distance = stbuf.st_size;
127 SLIST_FOREACH(current, &variables, variables) {
128 if (current->next_match == NULL)
130 if ((current->next_match - walk) < distance) {
131 distance = (current->next_match - walk);
135 if (nearest == NULL) {
136 /* If there are no more variables, we just copy the rest */
137 strncpy(destwalk, walk, (buf + stbuf.st_size) - walk);
138 destwalk += (buf + stbuf.st_size) - walk;
142 /* Copy until the next variable, then copy its value */
143 strncpy(destwalk, walk, distance);
144 strncpy(destwalk + distance, nearest->value, strlen(nearest->value));
145 walk += distance + strlen(nearest->key);
146 destwalk += distance + strlen(nearest->value);
152 if (yyparse() != 0) {
153 fprintf(stderr, "Could not parse configfile\n");
166 struct Colortriple *color;
167 struct Assignment *assignment;
168 struct Binding *binding;
171 %token <number>NUMBER
174 %token <string>STR_NG
185 %token TOKFLOATING_MODIFIER
196 %token TOKNEWCONTAINER
197 %token TOKCONTAINERMODE
203 | lines WHITESPACE line
233 TAILQ_INSERT_TAIL(bindings, $<binding>1, bindings);
238 TOKBIND WHITESPACE bind { $<binding>$ = $<binding>3; }
239 | TOKBINDSYM WHITESPACE bindsym { $<binding>$ = $<binding>3; }
243 binding_modifiers NUMBER WHITESPACE command
245 printf("\tFound binding mod%d with key %d and command %s\n", $<number>1, $2, $<string>4);
246 Binding *new = scalloc(sizeof(Binding));
248 new->keycode = $<number>2;
249 new->mods = $<number>1;
250 new->command = sstrdup($<string>4);
257 binding_modifiers word_or_number WHITESPACE command
259 printf("\tFound symbolic mod%d with key %s and command %s\n", $<number>1, $<string>2, $<string>4);
260 Binding *new = scalloc(sizeof(Binding));
262 new->symbol = sstrdup($<string>2);
263 new->mods = $<number>1;
264 new->command = sstrdup($<string>4);
274 asprintf(&$<string>$, "%d", $1);
279 TOKMODE WHITESPACE QUOTEDSTRING WHITESPACE '{' modelines '}'
281 if (strcasecmp($<string>3, "default") == 0) {
282 printf("You cannot use the name \"default\" for your mode\n");
285 printf("\t now in mode %s\n", $<string>3);
286 printf("\t current bindings = %p\n", current_bindings);
288 TAILQ_FOREACH(binding, current_bindings, bindings) {
289 printf("got binding on mods %d, keycode %d, symbol %s, command %s\n",
290 binding->mods, binding->keycode, binding->symbol, binding->command);
293 struct Mode *mode = scalloc(sizeof(struct Mode));
294 mode->name = strdup($<string>3);
295 mode->bindings = current_bindings;
296 current_bindings = NULL;
297 SLIST_INSERT_HEAD(&modes, mode, modes);
303 | modelines WHITESPACE modeline
311 if (current_bindings == NULL) {
312 current_bindings = scalloc(sizeof(struct bindings_head));
313 TAILQ_INIT(current_bindings);
316 TAILQ_INSERT_TAIL(current_bindings, $<binding>1, bindings);
321 TOKFLOATING_MODIFIER WHITESPACE binding_modifiers
323 LOG("floating modifier = %d\n", $<number>3);
324 config.floating_modifier = $<number>3;
329 TOKNEWCONTAINER WHITESPACE TOKCONTAINERMODE
331 LOG("new containers will be in mode %d\n", $<number>3);
332 config.container_mode = $<number>3;
334 /* We also need to change the layout of the already existing
335 * workspaces here. Workspaces may exist at this point because
336 * of the other directives which are modifying workspaces
337 * (setting the preferred screen or name). While the workspace
338 * objects are already created, they have never been used.
339 * Thus, the user very likely awaits the default container mode
340 * to trigger in this case, regardless of where it is inside
341 * his configuration file. */
343 TAILQ_FOREACH(ws, workspaces, workspaces) {
344 if (ws->table == NULL)
346 switch_layout_mode(global_conn,
348 config.container_mode);
351 | TOKNEWCONTAINER WHITESPACE TOKSTACKLIMIT WHITESPACE TOKSTACKLIMIT WHITESPACE NUMBER
353 LOG("stack-limit %d with val %d\n", $<number>5, $<number>7);
354 config.container_stack_limit = $<number>5;
355 config.container_stack_limit_value = $<number>7;
357 /* See the comment above */
359 TAILQ_FOREACH(ws, workspaces, workspaces) {
360 if (ws->table == NULL)
362 Container *con = ws->table[0][0];
363 con->stack_limit = config.container_stack_limit;
364 con->stack_limit_value = config.container_stack_limit_value;
370 TOKWORKSPACE WHITESPACE NUMBER WHITESPACE TOKSCREEN WHITESPACE screen workspace_name
372 int ws_num = $<number>3;
374 LOG("Invalid workspace assignment, workspace number %d out of range\n", ws_num);
376 Workspace *ws = workspace_get(ws_num - 1);
377 ws->preferred_screen = sstrdup($<string>7);
378 if ($<string>8 != NULL)
379 workspace_set_name(ws, $<string>8);
382 | TOKWORKSPACE WHITESPACE NUMBER workspace_name
384 int ws_num = $<number>3;
386 LOG("Invalid workspace assignment, workspace number %d out of range\n", ws_num);
388 if ($<string>4 != NULL)
389 workspace_set_name(workspace_get(ws_num - 1), $<string>4);
395 /* NULL */ { $<string>$ = NULL; }
396 | WHITESPACE QUOTEDSTRING { $<string>$ = $<string>2; }
397 | WHITESPACE STR { $<string>$ = $<string>2; }
401 NUMBER { asprintf(&$<string>$, "%d", $<number>1); }
402 | NUMBER 'x' { asprintf(&$<string>$, "%d", $<number>1); }
403 | NUMBER 'x' NUMBER { asprintf(&$<string>$, "%dx%d", $<number>1, $<number>3); }
404 | 'x' NUMBER { asprintf(&$<string>$, "x%d", $<number>2); }
408 TOKASSIGN WHITESPACE window_class WHITESPACE optional_arrow assign_target
410 printf("assignment of %s to %d\n", $<string>3, $<number>6);
412 struct Assignment *new = $<assignment>6;
413 new->windowclass_title = strdup($<string>3);
414 TAILQ_INSERT_TAIL(&assignments, new, assignments);
421 struct Assignment *new = scalloc(sizeof(struct Assignment));
422 new->workspace = $<number>1;
423 new->floating = ASSIGN_FLOATING_NO;
424 $<assignment>$ = new;
428 struct Assignment *new = scalloc(sizeof(struct Assignment));
429 new->floating = ASSIGN_FLOATING_ONLY;
430 $<assignment>$ = new;
434 struct Assignment *new = scalloc(sizeof(struct Assignment));
435 new->workspace = $<number>2;
436 new->floating = ASSIGN_FLOATING;
437 $<assignment>$ = new;
448 | TOKARROW WHITESPACE
452 TOKIPCSOCKET WHITESPACE STR
454 config.ipc_socket_path = sstrdup($<string>3);
459 TOKEXEC WHITESPACE STR
461 struct Autostart *new = smalloc(sizeof(struct Autostart));
462 new->command = sstrdup($<string>3);
463 TAILQ_INSERT_TAIL(&autostarts, new, autostarts);
468 TOKTERMINAL WHITESPACE STR
470 config.terminal = sstrdup($<string>3);
471 printf("terminal %s\n", config.terminal);
476 TOKFONT WHITESPACE STR
478 config.font = sstrdup($<string>3);
479 printf("font %s\n", config.font);
485 TOKCOLOR WHITESPACE colorpixel WHITESPACE colorpixel WHITESPACE colorpixel
487 struct Colortriple *dest = $<color>1;
489 dest->border = $<number>3;
490 dest->background = $<number>5;
491 dest->text = $<number>7;
496 '#' HEX { $<number>$ = get_colorpixel(global_conn, $<string>2); }
501 /* NULL */ { $<number>$ = 0; }
503 | binding_modifiers '+' binding_modifier { $<number>$ = $<number>1 | $<number>3; }
504 | binding_modifiers '+' { $<number>$ = $<number>1; }
508 MODIFIER { $<number>$ = $<number>1; }
509 | TOKCONTROL { $<number>$ = BIND_CONTROL; }
510 | TOKSHIFT { $<number>$ = BIND_SHIFT; }