%{
+/*
+ * vim:ts=8:expandtab
+ *
+ */
#include <stdio.h>
#include <string.h>
#include <xcb/xcb.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <errno.h>
#include "data.h"
-
-extern int yylex(void);
+#include "config.h"
+#include "i3.h"
+#include "util.h"
+#include "queue.h"
+#include "table.h"
+#include "workspace.h"
+#include "xcb.h"
+#include "log.h"
+
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+extern int yylex(struct context *context);
+extern int yyparse(void);
extern FILE *yyin;
-
-int yydebug = 1;
-
-void yyerror(const char *str) {
- fprintf(stderr,"error: %s\n",str);
+YY_BUFFER_STATE yy_scan_string(const char *);
+
+static struct bindings_head *current_bindings;
+static struct context *context;
+
+/* We don’t need yydebug for now, as we got decent error messages using
+ * yyerror(). Should you ever want to extend the parser, it might be handy
+ * to just comment it in again, so it stays here. */
+//int yydebug = 1;
+
+void yyerror(const char *error_message) {
+ ELOG("\n");
+ ELOG("CONFIG: %s\n", error_message);
+ ELOG("CONFIG: in file \"%s\", line %d:\n",
+ context->filename, context->line_number);
+ ELOG("CONFIG: %s\n", context->line_copy);
+ ELOG("CONFIG: ");
+ for (int c = 1; c <= context->last_column; c++)
+ if (c >= context->first_column)
+ printf("^");
+ else printf(" ");
+ printf("\n");
+ ELOG("\n");
}
int yywrap() {
}
void parse_file(const char *f) {
- printf("opening %s\n", f);
- if ((yyin = fopen(f, "r")) == NULL) {
- perror("fopen");
- exit(1);
- }
- if (yyparse() != 0) {
- fprintf(stderr, "Could not parse configfile\n");
- exit(1);
- }
- fclose(yyin);
-}
+ SLIST_HEAD(variables_head, Variable) variables = SLIST_HEAD_INITIALIZER(&variables);
+ int fd, ret, read_bytes = 0;
+ struct stat stbuf;
+ char *buf;
+ FILE *fstr;
+ char buffer[1026], key[512], value[512];
+
+ if ((fd = open(f, O_RDONLY)) == -1)
+ die("Could not open configuration file: %s\n", strerror(errno));
+
+ if (fstat(fd, &stbuf) == -1)
+ die("Could not fstat file: %s\n", strerror(errno));
+
+ buf = smalloc(stbuf.st_size * sizeof(char));
+ while (read_bytes < stbuf.st_size) {
+ if ((ret = read(fd, buf + read_bytes, (stbuf.st_size - read_bytes))) < 0)
+ die("Could not read(): %s\n", strerror(errno));
+ read_bytes += ret;
+ }
+
+ if (lseek(fd, 0, SEEK_SET) == (off_t)-1)
+ die("Could not lseek: %s\n", strerror(errno));
+
+ if ((fstr = fdopen(fd, "r")) == NULL)
+ die("Could not fdopen: %s\n", strerror(errno));
+
+ while (!feof(fstr)) {
+ if (fgets(buffer, 1024, fstr) == NULL) {
+ if (feof(fstr))
+ break;
+ die("Could not read configuration file\n");
+ }
+
+ /* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */
+ if (sscanf(buffer, "%s %[^\n]", key, value) < 1 ||
+ key[0] == '#' || strlen(key) < 3)
+ continue;
+
+ if (strcasecmp(key, "set") == 0) {
+ if (value[0] != '$')
+ die("Malformed variable assignment, name has to start with $\n");
+
+ /* get key/value for this variable */
+ char *v_key = value, *v_value;
+ if ((v_value = strstr(value, " ")) == NULL)
+ die("Malformed variable assignment, need a value\n");
+
+ *(v_value++) = '\0';
+
+ struct Variable *new = scalloc(sizeof(struct Variable));
+ new->key = sstrdup(v_key);
+ new->value = sstrdup(v_value);
+ SLIST_INSERT_HEAD(&variables, new, variables);
+ DLOG("Got new variable %s = %s\n", v_key, v_value);
+ continue;
+ }
+ }
+
+ /* For every custom variable, see how often it occurs in the file and
+ * how much extra bytes it requires when replaced. */
+ struct Variable *current, *nearest;
+ int extra_bytes = 0;
+ SLIST_FOREACH(current, &variables, variables) {
+ int extra = (strlen(current->value) - strlen(current->key));
+ char *next;
+ for (next = buf;
+ (next = strcasestr(buf + (next - buf), current->key)) != NULL;
+ next += strlen(current->key))
+ extra_bytes += extra;
+ }
+
+ /* Then, allocate a new buffer and copy the file over to the new one,
+ * but replace occurences of our variables */
+ char *walk = buf, *destwalk;
+ char *new = smalloc((stbuf.st_size + extra_bytes + 1) * sizeof(char));
+ destwalk = new;
+ while (walk < (buf + stbuf.st_size)) {
+ /* Find the next variable */
+ SLIST_FOREACH(current, &variables, variables)
+ current->next_match = strcasestr(walk, current->key);
+ nearest = NULL;
+ int distance = stbuf.st_size;
+ SLIST_FOREACH(current, &variables, variables) {
+ if (current->next_match == NULL)
+ continue;
+ if ((current->next_match - walk) < distance) {
+ distance = (current->next_match - walk);
+ nearest = current;
+ }
+ }
+ if (nearest == NULL) {
+ /* If there are no more variables, we just copy the rest */
+ strncpy(destwalk, walk, (buf + stbuf.st_size) - walk);
+ destwalk += (buf + stbuf.st_size) - walk;
+ *destwalk = '\0';
+ break;
+ } else {
+ /* Copy until the next variable, then copy its value */
+ strncpy(destwalk, walk, distance);
+ strncpy(destwalk + distance, nearest->value, strlen(nearest->value));
+ walk += distance + strlen(nearest->key);
+ destwalk += distance + strlen(nearest->value);
+ }
+ }
+
+ yy_scan_string(new);
+
+ context = scalloc(sizeof(struct context));
+ context->filename = f;
+
+ if (yyparse() != 0) {
+ fprintf(stderr, "Could not parse configfile\n");
+ exit(1);
+ }
-#if 0
-main()
-{
- yyparse();
- printf("parsing done\n");
+ FREE(context->line_copy);
+ free(context);
+ free(new);
+ free(buf);
}
-#endif
%}
+%expect 1
+%error-verbose
+%lex-param { struct context *context }
+
%union {
- int number;
- char *string;
+ int number;
+ char *string;
+ struct Colortriple *color;
+ struct Assignment *assignment;
+ struct Binding *binding;
}
-%token <number>NUMBER
-%token <string>WORD
-%token <string>STR
-%token <string>STR_NG
-%token <string>VARNAME
-%token <string>HEX
+%token <number>NUMBER "<number>"
+%token <string>WORD "<word>"
+%token <string>STR "<string>"
+%token <string>STR_NG "<string (non-greedy)>"
+%token <string>HEX "<hex>"
+%token <string>OUTPUT "<RandR output>"
%token TOKBIND
%token TOKTERMINAL
-%token TOKCOMMENT
-%token TOKFONT
-%token TOKBINDSYM
-%token MODIFIER
-%token TOKCONTROL
-%token TOKSHIFT
-%token WHITESPACE
-%token TOKFLOATING_MODIFIER
-%token QUOTEDSTRING
-%token TOKWORKSPACE
-%token TOKSCREEN
-%token TOKASSIGN
+%token TOKCOMMENT "<comment>"
+%token TOKFONT "font"
+%token TOKBINDSYM "bindsym"
+%token MODIFIER "<modifier>"
+%token TOKCONTROL "control"
+%token TOKSHIFT "shift"
+%token WHITESPACE "<whitespace>"
+%token TOKFLOATING_MODIFIER "floating_modifier"
+%token QUOTEDSTRING "<quoted string>"
+%token TOKWORKSPACE "workspace"
+%token TOKOUTPUT "output"
+%token TOKASSIGN "assign"
%token TOKSET
-%token TOKIPCSOCKET
-%token TOKEXEC
+%token TOKIPCSOCKET "ipc_socket"
+%token TOKEXEC "exec"
%token TOKCOLOR
-%token TOKARROW
+%token TOKARROW "→"
+%token TOKMODE "mode"
+%token TOKNEWCONTAINER "new_container"
+%token TOKNEWWINDOW "new_window"
+%token TOKFOCUSFOLLOWSMOUSE "focus_follows_mouse"
+%token TOKWORKSPACEBAR "workspace_bar"
+%token TOKCONTAINERMODE "default/stacking/tabbed"
+%token TOKSTACKLIMIT "stack-limit"
%%
lines: /* empty */
| lines WHITESPACE line
- | lines line
+ | lines error
+ | lines line
;
line:
- bind
- | bindsym
- | floating_modifier
- | workspace
- | assign
- | set
- | ipcsocket
- | exec
- | color
- | terminal
- | font
- | comment
+ bindline
+ | mode
+ | floating_modifier
+ | new_container
+ | new_window
+ | focus_follows_mouse
+ | workspace_bar
+ | workspace
+ | assign
+ | ipcsocket
+ | exec
+ | color
+ | terminal
+ | font
+ | comment
;
comment:
- TOKCOMMENT
- ;
+ TOKCOMMENT
+ ;
command:
- STR
- ;
+ STR
+ ;
+
+bindline:
+ binding
+ {
+ TAILQ_INSERT_TAIL(bindings, $<binding>1, bindings);
+ }
+ ;
+
+binding:
+ TOKBIND WHITESPACE bind { $<binding>$ = $<binding>3; }
+ | TOKBINDSYM WHITESPACE bindsym { $<binding>$ = $<binding>3; }
+ ;
bind:
- TOKBIND WHITESPACE binding_modifiers '+' NUMBER WHITESPACE command
+ binding_modifiers NUMBER WHITESPACE command
{
- printf("\tFound binding mod%d with key %d and command %s\n", $<number>3, $5, $<string>7);
+ printf("\tFound binding mod%d with key %d and command %s\n", $<number>1, $2, $<string>4);
+ Binding *new = scalloc(sizeof(Binding));
+
+ new->keycode = $<number>2;
+ new->mods = $<number>1;
+ new->command = sstrdup($<string>4);
+
+ $<binding>$ = new;
}
;
bindsym:
- TOKBINDSYM WHITESPACE binding_modifiers '+' WORD WHITESPACE command
+ binding_modifiers word_or_number WHITESPACE command
{
- printf("\tFound symbolic mod%d with key %s and command %s\n", $<number>3, $5, $<string>7);
+ printf("\tFound symbolic mod%d with key %s and command %s\n", $<number>1, $<string>2, $<string>4);
+ Binding *new = scalloc(sizeof(Binding));
+
+ new->symbol = sstrdup($<string>2);
+ new->mods = $<number>1;
+ new->command = sstrdup($<string>4);
+
+ $<binding>$ = new;
+ }
+ ;
+
+word_or_number:
+ WORD
+ | NUMBER
+ {
+ asprintf(&$<string>$, "%d", $1);
+ }
+ ;
+
+mode:
+ TOKMODE WHITESPACE QUOTEDSTRING WHITESPACE '{' modelines '}'
+ {
+ if (strcasecmp($<string>3, "default") == 0) {
+ printf("You cannot use the name \"default\" for your mode\n");
+ exit(1);
+ }
+ printf("\t now in mode %s\n", $<string>3);
+ printf("\t current bindings = %p\n", current_bindings);
+ Binding *binding;
+ TAILQ_FOREACH(binding, current_bindings, bindings) {
+ printf("got binding on mods %d, keycode %d, symbol %s, command %s\n",
+ binding->mods, binding->keycode, binding->symbol, binding->command);
+ }
+
+ struct Mode *mode = scalloc(sizeof(struct Mode));
+ mode->name = strdup($<string>3);
+ mode->bindings = current_bindings;
+ current_bindings = NULL;
+ SLIST_INSERT_HEAD(&modes, mode, modes);
+ }
+ ;
+
+
+modelines:
+ /* empty */
+ | modelines modeline
+ ;
+
+modeline:
+ WHITESPACE
+ | comment
+ | binding
+ {
+ if (current_bindings == NULL) {
+ current_bindings = scalloc(sizeof(struct bindings_head));
+ TAILQ_INIT(current_bindings);
+ }
+
+ TAILQ_INSERT_TAIL(current_bindings, $<binding>1, bindings);
}
;
floating_modifier:
- TOKFLOATING_MODIFIER WHITESPACE binding_modifiers
- {
- printf("\tfloating modifier %d\n", $<number>3);
- }
- ;
+ TOKFLOATING_MODIFIER WHITESPACE binding_modifiers
+ {
+ DLOG("floating modifier = %d\n", $<number>3);
+ config.floating_modifier = $<number>3;
+ }
+ ;
+
+new_container:
+ TOKNEWCONTAINER WHITESPACE TOKCONTAINERMODE
+ {
+ DLOG("new containers will be in mode %d\n", $<number>3);
+ config.container_mode = $<number>3;
+
+ /* We also need to change the layout of the already existing
+ * workspaces here. Workspaces may exist at this point because
+ * of the other directives which are modifying workspaces
+ * (setting the preferred screen or name). While the workspace
+ * objects are already created, they have never been used.
+ * Thus, the user very likely awaits the default container mode
+ * to trigger in this case, regardless of where it is inside
+ * his configuration file. */
+ Workspace *ws;
+ TAILQ_FOREACH(ws, workspaces, workspaces) {
+ if (ws->table == NULL)
+ continue;
+ switch_layout_mode(global_conn,
+ ws->table[0][0],
+ config.container_mode);
+ }
+ }
+ | TOKNEWCONTAINER WHITESPACE TOKSTACKLIMIT WHITESPACE TOKSTACKLIMIT WHITESPACE NUMBER
+ {
+ DLOG("stack-limit %d with val %d\n", $<number>5, $<number>7);
+ config.container_stack_limit = $<number>5;
+ config.container_stack_limit_value = $<number>7;
+
+ /* See the comment above */
+ Workspace *ws;
+ TAILQ_FOREACH(ws, workspaces, workspaces) {
+ if (ws->table == NULL)
+ continue;
+ Container *con = ws->table[0][0];
+ con->stack_limit = config.container_stack_limit;
+ con->stack_limit_value = config.container_stack_limit_value;
+ }
+ }
+ ;
+
+new_window:
+ TOKNEWWINDOW WHITESPACE WORD
+ {
+ DLOG("new windows should start in mode %s\n", $<string>3);
+ config.default_border = strdup($<string>3);
+ }
+ ;
+
+bool:
+ NUMBER
+ {
+ $<number>$ = ($<number>1 == 1);
+ }
+ | WORD
+ {
+ DLOG("checking word \"%s\"\n", $<string>1);
+ $<number>$ = (strcasecmp($<string>1, "yes") == 0 ||
+ strcasecmp($<string>1, "true") == 0 ||
+ strcasecmp($<string>1, "on") == 0 ||
+ strcasecmp($<string>1, "enable") == 0 ||
+ strcasecmp($<string>1, "active") == 0);
+ }
+ ;
+
+focus_follows_mouse:
+ TOKFOCUSFOLLOWSMOUSE WHITESPACE bool
+ {
+ DLOG("focus follows mouse = %d\n", $<number>3);
+ config.disable_focus_follows_mouse = !($<number>3);
+ }
+ ;
+
+workspace_bar:
+ TOKWORKSPACEBAR WHITESPACE bool
+ {
+ DLOG("workspace bar = %d\n", $<number>3);
+ config.disable_workspace_bar = !($<number>3);
+ }
+ ;
workspace:
- TOKWORKSPACE WHITESPACE NUMBER WHITESPACE TOKSCREEN WHITESPACE screen
- {
- printf("\t workspace %d to screen %d\n", $<number>3, $<number>7);
- }
- | TOKWORKSPACE WHITESPACE NUMBER WHITESPACE TOKSCREEN WHITESPACE screen WHITESPACE QUOTEDSTRING
- {
- printf("\t quoted: %s\n", $<string>9);
- }
- ;
+ TOKWORKSPACE WHITESPACE NUMBER WHITESPACE TOKOUTPUT WHITESPACE OUTPUT optional_workspace_name
+ {
+ int ws_num = $<number>3;
+ if (ws_num < 1) {
+ DLOG("Invalid workspace assignment, workspace number %d out of range\n", ws_num);
+ } else {
+ Workspace *ws = workspace_get(ws_num - 1);
+ ws->preferred_output = sstrdup($<string>7);
+ if ($<string>8 != NULL)
+ workspace_set_name(ws, $<string>8);
+ }
+ }
+ | TOKWORKSPACE WHITESPACE NUMBER WHITESPACE workspace_name
+ {
+ int ws_num = $<number>3;
+ if (ws_num < 1) {
+ DLOG("Invalid workspace assignment, workspace number %d out of range\n", ws_num);
+ } else {
+ DLOG("workspace name to: %s\n", $<string>5);
+ if ($<string>5 != NULL)
+ workspace_set_name(workspace_get(ws_num - 1), $<string>5);
+ }
+ }
+ ;
-screen:
- NUMBER
- ;
+optional_workspace_name:
+ /* empty */ { $<string>$ = NULL; }
+ | WHITESPACE workspace_name { $<string>$ = $<string>2; }
+ ;
+workspace_name:
+ QUOTEDSTRING { $<string>$ = $<string>1; }
+ | STR { $<string>$ = $<string>1; }
+ | WORD { $<string>$ = $<string>1; }
+ ;
assign:
- TOKASSIGN WHITESPACE window_class WHITESPACE optional_arrow NUMBER
- {
- printf("assignment of %s to %d\n", $<string>3, $<number>6);
- }
- ;
+ TOKASSIGN WHITESPACE window_class WHITESPACE optional_arrow assign_target
+ {
+ printf("assignment of %s\n", $<string>3);
+
+ struct Assignment *new = $<assignment>6;
+ printf(" to %d\n", new->workspace);
+ printf(" floating = %d\n", new->floating);
+ new->windowclass_title = strdup($<string>3);
+ TAILQ_INSERT_TAIL(&assignments, new, assignments);
+ }
+ ;
+
+assign_target:
+ NUMBER
+ {
+ struct Assignment *new = scalloc(sizeof(struct Assignment));
+ new->workspace = $<number>1;
+ new->floating = ASSIGN_FLOATING_NO;
+ $<assignment>$ = new;
+ }
+ | '~'
+ {
+ struct Assignment *new = scalloc(sizeof(struct Assignment));
+ new->floating = ASSIGN_FLOATING_ONLY;
+ $<assignment>$ = new;
+ }
+ | '~' NUMBER
+ {
+ struct Assignment *new = scalloc(sizeof(struct Assignment));
+ new->workspace = $<number>2;
+ new->floating = ASSIGN_FLOATING;
+ $<assignment>$ = new;
+ }
+ ;
window_class:
- QUOTEDSTRING
- | STR_NG
- ;
+ QUOTEDSTRING
+ | STR_NG
+ ;
optional_arrow:
- /* NULL */
- | TOKARROW WHITESPACE
- ;
-
-set:
- TOKSET WHITESPACE variable WHITESPACE STR
- {
- printf("set %s to %s\n", $<string>3, $<string>5);
- }
- ;
-
-variable:
- '$' WORD { asprintf(&$<string>$, "$%s", $<string>2); }
- | '$' VARNAME { asprintf(&$<string>$, "$%s", $<string>2); }
- ;
+ /* NULL */
+ | TOKARROW WHITESPACE
+ ;
ipcsocket:
- TOKIPCSOCKET WHITESPACE STR
- {
- printf("ipc %s\n", $<string>3);
- }
- ;
+ TOKIPCSOCKET WHITESPACE STR
+ {
+ config.ipc_socket_path = sstrdup($<string>3);
+ }
+ ;
exec:
- TOKEXEC WHITESPACE STR
- {
- printf("exec %s\n", $<string>3);
- }
- ;
+ TOKEXEC WHITESPACE STR
+ {
+ struct Autostart *new = smalloc(sizeof(struct Autostart));
+ new->command = sstrdup($<string>3);
+ TAILQ_INSERT_TAIL(&autostarts, new, autostarts);
+ }
+ ;
terminal:
- TOKTERMINAL WHITESPACE STR
- {
- printf("terminal %s\n", $<string>3);
- }
- ;
+ TOKTERMINAL WHITESPACE STR
+ {
+ ELOG("The terminal option is DEPRECATED and has no effect. "
+ "Please remove it from your configuration file.\n");
+ }
+ ;
font:
- TOKFONT WHITESPACE STR
- {
- printf("font %s\n", $<string>3);
- }
- ;
+ TOKFONT WHITESPACE STR
+ {
+ config.font = sstrdup($<string>3);
+ printf("font %s\n", config.font);
+ }
+ ;
color:
- TOKCOLOR WHITESPACE '#' HEX
- {
- printf("color %s\n", $<string>4);
- }
- ;
+ TOKCOLOR WHITESPACE colorpixel WHITESPACE colorpixel WHITESPACE colorpixel
+ {
+ struct Colortriple *dest = $<color>1;
+
+ dest->border = $<number>3;
+ dest->background = $<number>5;
+ dest->text = $<number>7;
+ }
+ ;
+
+colorpixel:
+ '#' HEX
+ {
+ char *hex;
+ if (asprintf(&hex, "#%s", $<string>2) == -1)
+ die("asprintf()");
+ $<number>$ = get_colorpixel(global_conn, hex);
+ free(hex);
+ }
+ ;
binding_modifiers:
- binding_modifier
- |
- binding_modifiers '+' binding_modifier
- {
- $<number>$ = $<number>1 | $<number>3;
- }
- ;
+ /* NULL */ { $<number>$ = 0; }
+ | binding_modifier
+ | binding_modifiers '+' binding_modifier { $<number>$ = $<number>1 | $<number>3; }
+ | binding_modifiers '+' { $<number>$ = $<number>1; }
+ ;
binding_modifier:
- MODIFIER { $<number>$ = $<number>1; }
- | TOKCONTROL { $<number>$ = BIND_CONTROL; }
- | TOKSHIFT { $<number>$ = BIND_SHIFT; }
- ;
+ MODIFIER { $<number>$ = $<number>1; }
+ | TOKCONTROL { $<number>$ = BIND_CONTROL; }
+ | TOKSHIFT { $<number>$ = BIND_SHIFT; }
+ ;
projects / i3 / i3 / blobdiff