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Comparing rxvt-unicode/src/xdefaults.C (file contents):
Revision 1.76 by root, Mon Jan 9 22:41:41 2006 UTC vs.
Revision 1.77 by root, Wed Jan 11 00:59:58 2006 UTC

20 * 20 *
21 * You should have received a copy of the GNU General Public License 21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software 22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
25/*----------------------------------------------------------------------*
26 * get resources from ~/.Xdefaults or ~/.Xresources with the memory-saving
27 * default or with XGetDefault() (#define USE_XGETDEFAULT)
28 *----------------------------------------------------------------------*/
29 25
30#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
31#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
32#include "version.h" 28#include "version.h"
33
34#include <sys/utsname.h>
35 29
36#ifdef KEYSYM_RESOURCE 30#ifdef KEYSYM_RESOURCE
37#include "keyboard.h" 31#include "keyboard.h"
38#endif 32#endif
39 33
264 RSTRG (Rs_perl_lib, "perl-lib", "string"), //, "colon-separated directories with extension scripts"),TODO 258 RSTRG (Rs_perl_lib, "perl-lib", "string"), //, "colon-separated directories with extension scripts"),TODO
265 RSTRG (Rs_perl_eval, "perl-eval", "perl-eval"), // "string", "code to be evaluated after all extensions have been loaded"),TODO 259 RSTRG (Rs_perl_eval, "perl-eval", "perl-eval"), // "string", "code to be evaluated after all extensions have been loaded"),TODO
266 RSTRG (Rs_perl_ext_1, "perl-ext-common", "string"), //, "colon-separated list of perl extensions to enable"),TODO 260 RSTRG (Rs_perl_ext_1, "perl-ext-common", "string"), //, "colon-separated list of perl extensions to enable"),TODO
267 STRG (Rs_perl_ext_2, "perl-ext", "pe", "string", "colon-separated list of perl extensions to enable for this instance"), 261 STRG (Rs_perl_ext_2, "perl-ext", "pe", "string", "colon-separated list of perl extensions to enable for this instance"),
268#endif 262#endif
269#if 0 && TODO 263#ifndef NO_RESOURCES
270#if !defined(NO_RESOURCES) && defined(USE_XGETDEFAULT)
271 INFO ("xrm", "string", "X resource"), 264 INFO ("xrm", "string", "X resource"),
272#endif
273#endif 265#endif
274 INFO ("e", "command arg ...", "command to execute") 266 INFO ("e", "command arg ...", "command to execute")
275 }; 267 };
276 268
277#undef INFO 269#undef INFO
281#undef BOOL 273#undef BOOL
282/*}}} */ 274/*}}} */
283 275
284static const char releasestring[] = "rxvt-unicode (" RXVTNAME ") v" VERSION " - released: " DATE "\n"; 276static const char releasestring[] = "rxvt-unicode (" RXVTNAME ") v" VERSION " - released: " DATE "\n";
285static const char optionsstring[] = "options: " 277static const char optionsstring[] = "options: "
278#if ENABLE_PERL
279 "perl,"
280#endif
286#if XFT 281#if XFT
287 "xft," 282 "xft,"
288#endif 283#endif
289#if ENABLE_STYLES 284#if ENABLE_STYLES
290 "styles," 285 "styles,"
402#if defined(POINTER_BLANK) 397#if defined(POINTER_BLANK)
403 "pointerBlank," 398 "pointerBlank,"
404#endif 399#endif
405#if defined(NO_RESOURCES) 400#if defined(NO_RESOURCES)
406 "NoResources" 401 "NoResources"
407#else
408# if defined(USE_XGETDEFAULT)
409 "XGetDefault"
410# else
411 ".Xdefaults"
412# endif
413#endif 402#endif
414 "\nUsage: "; /* Usage */ 403 "\nUsage: "; /* Usage */
415 404
416#define INDENT 18 405#define INDENT 18
417 406
780 keyboard->register_user_translation (sym, state, newarg); 769 keyboard->register_user_translation (sym, state, newarg);
781 return 1; 770 return 1;
782} 771}
783 772
784# endif /* KEYSYM_RESOURCE */ 773# endif /* KEYSYM_RESOURCE */
785
786# ifndef USE_XGETDEFAULT
787/*{{{ rxvt_get_xdefaults () */
788/*
789 * the matching algorithm used for memory-save fake resources
790 */
791void
792rxvt_term::get_xdefaults (FILE *stream, const char *name)
793{
794 unsigned int len;
795 char *str, buffer[256];
796
797 if (stream == NULL)
798 return;
799
800 len = strlen (name);
801 while ((str = fgets (buffer, sizeof (buffer), stream)) != NULL)
802 {
803 unsigned int entry, n;
804
805 while (*str && isspace (*str))
806 str++; /* leading whitespace */
807
808 if ((str[len] != '*' && str[len] != '.')
809 || (len && strncmp (str, name, len)))
810 continue;
811 str += (len + 1); /* skip `name*' or `name.' */
812
813# ifdef KEYSYM_RESOURCE
814 if (!parse_keysym (str, NULL))
815# endif /* KEYSYM_RESOURCE */
816 for (entry = 0; entry < optList_size; entry++)
817 {
818 const char *kw = optList[entry].kw;
819
820 if (kw == NULL)
821 continue;
822
823 n = strlen (kw);
824 if (str[n] == ':' && rxvt_Str_match (str, kw))
825 {
826 /* skip `keyword:' */
827 str += n + 1;
828 rxvt_Str_trim (str);
829 n = strlen (str);
830
831 if (n && rs[optList[entry].doff] == NULL)
832 {
833 /* not already set */
834 int s;
835 char *p = 0;
836
837 for (int o = 0;;)
838 {
839 p = (char *)rxvt_realloc (p, o + n + 1);
840 memcpy (p + o, str, n);
841 o += n;
842 p[o] = 0;
843
844 if (o == 0 || p[o - 1] != '\\') // continuation line
845 break;
846
847 o--; // eat "\"
848
849 if ((str = fgets (buffer, sizeof (buffer), stream)) == NULL)
850 break;
851
852 rxvt_Str_trim (str);
853 n = strlen (str);
854 }
855
856 rs[optList[entry].doff] = p;
857 allocated.push_back (p);
858
859 if (optList_isBool (entry))
860 {
861 s = strcasecmp (str, "true") == 0
862 || strcasecmp (str, "yes") == 0
863 || strcasecmp (str, "on") == 0
864 || strcmp (str, "1") == 0;
865
866 if (optList_isReverse (entry))
867 s = !s;
868
869 set_option (optList[entry].flag & Optflag_mask, s);
870 }
871 }
872
873 break;
874 }
875 }
876 }
877
878 rewind (stream);
879}
880
881/*}}} */
882# endif /* ! USE_XGETDEFAULT */
883#endif /* NO_RESOURCES */ 774#endif /* NO_RESOURCES */
884 775
885#ifdef USE_XGETDEFAULT
886char *get_res (XrmDatabase database, const char *program, const char *option) 776char *get_res (XrmDatabase database, const char *program, const char *option)
887{ 777{
888 char resource[512]; 778 char resource[512];
889 char *type; 779 char *type;
890 XrmValue result; 780 XrmValue result;
892 snprintf (resource, sizeof (resource), "%s.%s", program, option); 782 snprintf (resource, sizeof (resource), "%s.%s", program, option);
893 XrmGetResource (database, resource, resource, &type, &result); 783 XrmGetResource (database, resource, resource, &type, &result);
894 784
895 return result.addr; 785 return result.addr;
896} 786}
897#endif
898 787
899/*{{{ read the resources files */ 788/*{{{ read the resources files */
900/* 789/*
901 * using XGetDefault () or the hand-rolled replacement 790 * using XGetDefault () or the hand-rolled replacement
902 */ 791 */
905rxvt_term::extract_resources () 794rxvt_term::extract_resources ()
906{ 795{
907 dDisp; 796 dDisp;
908 797
909#ifndef NO_RESOURCES 798#ifndef NO_RESOURCES
910 799 XrmDatabase database = XrmGetDatabase (display->display);
911 char *homedir = (char *)getenv ("HOME");
912 char fname[1024];
913
914# if defined XAPPLOADDIR
915# if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
916 /* Compute the path of the possibly available localized Rxvt file */
917 char localepath[1024];
918
919 if (locale)
920 snprintf (localepath, sizeof (localepath), XAPPLOADDIRLOCALE "/" RESCLASS, locale);
921 else
922 localepath[0] = 0;
923# endif
924# endif
925
926# ifdef USE_XGETDEFAULT
927 /*
928 * get resources using the X library function
929 */
930 int entry;
931
932 char *displayResource, *xe;
933 XrmName name_prefix[3];
934 XrmClass class_prefix[3];
935 XrmDatabase database, rdb1;
936
937 database = NULL;
938
939 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
940
941 // 6. System wide per application default file.
942 /* Add in Rxvt file */
943# if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
944 if (*localepath
945 && ((rdb1 = XrmGetFileDatabase (localepath))
946 || (rdb1 = XrmGetFileDatabase (XAPPLOADDIR "/" RESCLASS))))
947# endif
948 XrmMergeDatabases (rdb1, &database);
949
950 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
951 if ((xe = (char *)getenv ("XAPPLRESDIR")))
952 {
953 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
954
955 if ((rdb1 = XrmGetFileDatabase (fname)))
956 XrmMergeDatabases (rdb1, &database);
957 }
958
959 // 5. User's per application default file.
960 // none
961
962 // 4. User's defaults file.
963 /* Get any Xserver defaults */
964 displayResource = XResourceManagerString (disp);
965 if (displayResource != NULL)
966 {
967 if ((rdb1 = XrmGetStringDatabase (displayResource)))
968 XrmMergeDatabases (rdb1, &database);
969 }
970 else if (homedir)
971 {
972 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
973
974 if ((rdb1 = XrmGetFileDatabase (fname)))
975 XrmMergeDatabases (rdb1, &database);
976 }
977
978 /* Get screen specific resources */
979 displayResource = XScreenResourceString (ScreenOfDisplay (disp, display->screen));
980 if (displayResource != NULL)
981 {
982 if ((rdb1 = XrmGetStringDatabase (displayResource)))
983 /* Merge with screen-independent resources */
984 XrmMergeDatabases (rdb1, &database);
985
986 XFree (displayResource);
987 }
988
989 // 3. User's per host defaults file
990 /* Add in XENVIRONMENT file */
991 if ((xe = (char *)getenv ("XENVIRONMENT"))
992 && (rdb1 = XrmGetFileDatabase (xe)))
993 XrmMergeDatabases (rdb1, &database);
994 else if (homedir)
995 {
996 struct utsname un;
997
998 if (!uname (&un))
999 {
1000 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
1001
1002 if ((rdb1 = XrmGetFileDatabase (fname)))
1003 XrmMergeDatabases (rdb1, &database);
1004 }
1005 }
1006
1007 xrmdatabase = database;
1008 800
1009 /* 801 /*
1010 * Query resources for options that affect us 802 * Query resources for options that affect us
1011 */ 803 */
1012 for (entry = 0; entry < optList_size; entry++) 804 for (int entry = 0; entry < optList_size; entry++)
1013 { 805 {
1014 int s; 806 int s;
1015 char *p, *p0; 807 char *p, *p0;
1016 const char *kw = optList[entry].kw; 808 const char *kw = optList[entry].kw;
1017 809
1018 if (kw == NULL || rs[optList[entry].doff] != NULL) 810 if (kw == NULL || rs[optList[entry].doff] != NULL)
1019 continue; /* previously set */ 811 continue; // previously set
1020 812
1021 p = get_res (database, rs[Rs_name], kw); 813 p = get_res (database, rs[Rs_name], kw);
1022 p0 = get_res (database, "!INVALIDPROGRAMMENAMEDONTMATCH!", kw); 814 p0 = get_res (database, "!INVALIDPROGRAMMENAMEDONTMATCH!", kw);
1023 if (p == NULL || (p0 && strcmp (p, p0) == 0)) 815 if (p == NULL || (p0 && strcmp (p, p0) == 0))
1024 { 816 {
1032 if (p == NULL && p0) 824 if (p == NULL && p0)
1033 p = p0; 825 p = p0;
1034 826
1035 if (p) 827 if (p)
1036 { 828 {
829 p = strdup (p);
830 allocated.push_back (p);
1037 rs[optList[entry].doff] = p; 831 rs[optList[entry].doff] = p;
1038 832
1039 if (optList_isBool (entry)) 833 if (optList_isBool (entry))
1040 { 834 {
1041 s = strcasecmp (p, "TRUE") == 0 835 s = strcasecmp (p, "TRUE") == 0
1053 847
1054 /* 848 /*
1055 * [R5 or later]: enumerate the resource database 849 * [R5 or later]: enumerate the resource database
1056 */ 850 */
1057# ifdef KEYSYM_RESOURCE 851# ifdef KEYSYM_RESOURCE
852 XrmName name_prefix[3];
853 XrmClass class_prefix[3];
854
1058 name_prefix[0] = XrmStringToName (rs[Rs_name]); 855 name_prefix[0] = XrmStringToName (rs[Rs_name]);
1059 name_prefix[1] = XrmStringToName ("keysym"); 856 name_prefix[1] = XrmStringToName ("keysym");
1060 name_prefix[2] = NULLQUARK; 857 name_prefix[2] = NULLQUARK;
1061 class_prefix[0] = XrmStringToName (RESCLASS); 858 class_prefix[0] = XrmStringToName (RESCLASS);
1062 class_prefix[1] = XrmStringToName ("Keysym"); 859 class_prefix[1] = XrmStringToName ("Keysym");
1073 XrmEnumerateDatabase (database, name_prefix, class_prefix, 870 XrmEnumerateDatabase (database, name_prefix, class_prefix,
1074 XrmEnumOneLevel, rxvt_define_key, NULL); 871 XrmEnumOneLevel, rxvt_define_key, NULL);
1075# endif 872# endif
1076# endif 873# endif
1077 874
1078# else /* USE_XGETDEFAULT */
1079 /* get resources the hard way, but save lots of memory */
1080 FILE *fd = NULL;
1081
1082 if (homedir)
1083 {
1084 static const char *const xnames[2] = { ".Xdefaults", ".Xresources" };
1085
1086 for (int i = 0; i < (sizeof (xnames) / sizeof (xnames [0])); i++)
1087 {
1088 snprintf (fname, sizeof (fname), "%s/%s", homedir, xnames [i]);
1089
1090 if ((fd = fopen (fname, "r")) != NULL)
1091 break;
1092 }
1093 }
1094 /*
1095 * The normal order to match resources is the following:
1096 * @ global resources (partial match, ~/.Xdefaults)
1097 * @ application file resources (XAPPLOADDIR/Rxvt)
1098 * @ class resources (~/.Xdefaults)
1099 * @ private resources (~/.Xdefaults)
1100 *
1101 * However, for the hand-rolled resources, the matching algorithm
1102 * checks if a resource string value has already been allocated
1103 * and won't overwrite it with (in this case) a less specific
1104 * resource value.
1105 *
1106 * This avoids multiple allocation. Also, when we've called this
1107 * routine command-line string options have already been applied so we
1108 * needn't to allocate for those resources.
1109 *
1110 * So, search in resources from most to least specific.
1111 *
1112 * Also, use a special sub-class so that we can use either or both of
1113 * "XTerm" and "Rxvt" as class names.
1114 */
1115
1116 get_xdefaults (fd, rs[Rs_name]);
1117 get_xdefaults (fd, RESCLASS);
1118# ifdef RESFALLBACK
1119 get_xdefaults (fd, RESFALLBACK);
1120# endif
1121
1122# if defined(XAPPLOADDIR) && defined(USE_XAPPLOADDIR)
1123 {
1124 FILE *ad = NULL;
1125
1126# if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1127 if (!*localepath || (ad = fopen (localepath, "r")) == NULL)
1128# endif
1129 ad = fopen (XAPPLOADDIR "/" RESCLASS, "r");
1130 if (ad != NULL)
1131 {
1132 get_xdefaults (ad, RESCLASS);
1133 get_xdefaults (ad, "");
1134 fclose (ad);
1135 }
1136 }
1137# endif /* XAPPLOADDIR */
1138
1139 get_xdefaults (fd, ""); /* partial match */
1140 if (fd != NULL)
1141 fclose (fd);
1142# endif /* USE_XGETDEFAULT */
1143
1144#endif /* NO_RESOURCES */ 875#endif /* NO_RESOURCES */
1145} 876}
1146 877
1147/*}}} */ 878/*}}} */
1148/*----------------------- end-of-file (C source) -----------------------*/ 879/*----------------------- end-of-file (C source) -----------------------*/

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