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comparison tag.c @ 191:56fee1dc9d53

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switched to regexp matching for Rules
author arg@10ksloc.org
date Fri, 04 Aug 2006 14:40:32 +0200
parents e848966a1ac6
children 655e38416bb8
comparison
equal deleted inserted replaced
190:713dcc7d2c42 191:56fee1dc9d53
3 * See LICENSE file for license details. 3 * See LICENSE file for license details.
4 */ 4 */
5 #include "dwm.h" 5 #include "dwm.h"
6 #include <regex.h> 6 #include <regex.h>
7 #include <stdio.h> 7 #include <stdio.h>
8 #include <stdlib.h>
8 #include <string.h> 9 #include <string.h>
9 #include <sys/types.h> 10 #include <sys/types.h>
10 #include <X11/Xutil.h> 11 #include <X11/Xutil.h>
11 12
12 /* static */
13 13
14 typedef struct { 14 typedef struct {
15 const char *pattern; 15 const char *clpattern;
16 const unsigned int *tags; 16 const char *tpattern;
17 Bool isfloat; 17 Bool isfloat;
18 } Rule; 18 } Rule;
19 19
20 typedef struct {
21 regex_t *clregex;
22 regex_t *tregex;
23 } RReg;
24
25 /* static */
26
20 TAGS 27 TAGS
21 RULES 28 RULES
29
30 static RReg *rreg = NULL;
31 static unsigned int len = 0;
22 32
23 void (*arrange)(Arg *) = DEFMODE; 33 void (*arrange)(Arg *) = DEFMODE;
24 34
25 /* extern */ 35 /* extern */
26 36
136 for(; c && !c->tags[tsel]; c = c->prev); 146 for(; c && !c->tags[tsel]; c = c->prev);
137 return c; 147 return c;
138 } 148 }
139 149
140 void 150 void
151 initrregs()
152 {
153 unsigned int i;
154 regex_t *reg;
155
156 if(rreg)
157 return;
158 len = sizeof(rule) / sizeof(rule[0]);
159 rreg = emallocz(len * sizeof(RReg));
160
161 for(i = 0; i < len; i++) {
162 if(rule[i].clpattern) {
163 reg = emallocz(sizeof(regex_t));
164 if(regcomp(reg, rule[i].clpattern, 0))
165 free(reg);
166 else
167 rreg[i].clregex = reg;
168 }
169 if(rule[i].tpattern) {
170 reg = emallocz(sizeof(regex_t));
171 if(regcomp(reg, rule[i].tpattern, 0))
172 free(reg);
173 else
174 rreg[i].tregex = reg;
175 }
176 }
177 }
178
179 void
141 replacetag(Arg *arg) 180 replacetag(Arg *arg)
142 { 181 {
143 int i; 182 int i;
144 183
145 if(!sel) 184 if(!sel)
152 191
153 void 192 void
154 settags(Client *c) 193 settags(Client *c)
155 { 194 {
156 char classinst[256]; 195 char classinst[256];
157 static unsigned int len = sizeof(rule) / sizeof(rule[0]); 196 unsigned int i, j;
158 unsigned int i, j, n;
159 regex_t regex;
160 regmatch_t tmp; 197 regmatch_t tmp;
161 Bool matched = False; 198 Bool matched = False;
162 XClassHint ch; 199 XClassHint ch;
163 200
164 if(XGetClassHint(dpy, c->win, &ch)) { 201 if(XGetClassHint(dpy, c->win, &ch)) {
165 snprintf(classinst, sizeof(classinst), "%s:%s", 202 snprintf(classinst, sizeof(classinst), "%s:%s",
166 ch.res_class ? ch.res_class : "", 203 ch.res_class ? ch.res_class : "",
167 ch.res_name ? ch.res_name : ""); 204 ch.res_name ? ch.res_name : "");
168 for(i = 0; !matched && i < len; i++) { 205 for(i = 0; !matched && i < len; i++)
169 if(!regcomp(&regex, rule[i].pattern, 0)) { 206 if(rreg[i].clregex && !regexec(rreg[i].clregex, classinst, 1, &tmp, 0)) {
170 if(!regexec(&regex, classinst, 1, &tmp, 0)) { 207 c->isfloat = rule[i].isfloat;
171 n = rule[i].tags ? 208 for(j = 0; rreg[i].tregex && j < ntags; j++) {
172 sizeof(rule[i].tags) / sizeof(rule[i].tags[0]) : 0; 209 if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
173 matched = n != 0; 210 matched = True;
174 for(j = 0; j < n; j++) 211 c->tags[j] = True;
175 c->tags[rule[i].tags[j]] = True; 212 }
176 c->isfloat = rule[i].isfloat;
177 } 213 }
178 regfree(&regex); 214 }
179 }
180 }
181 if(ch.res_class) 215 if(ch.res_class)
182 XFree(ch.res_class); 216 XFree(ch.res_class);
183 if(ch.res_name) 217 if(ch.res_name)
184 XFree(ch.res_name); 218 XFree(ch.res_name);
185 } 219 }