Display dates according to current locale (as defined by LC_TIME).

[pkg/abook.git] / edit.c

diff --git a/edit.c b/edit.c
index 28d508748480d3747048f83a1291cba203860fc8..940a57db0b05739be47997ce61d00c756652158b 100644 (file)
--- a/edit.c
+++ b/edit.c
@@ -24,6 +24,12 @@
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
 #endif
+#if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE)
+#       include <locale.h>
+#endif 
+
+
+static void locale_date(char *str, size_t str_len, int year, int month, int day);
 
 /*
  * some extern variables
@@ -242,22 +248,18 @@ editor_print_data(int tab, int item)
                        abook_list_free(&emails);
                } else if(cur->field->type == FIELD_DATE) {
                        int day, month, year;
-                       char buf[12];
+                       char buf[64];
 
+                       /* put raw representation of date in buf */
                        find_field_number(cur->field->key, &nb);
                        if((str = db_fget_byid(item, nb)) != NULL)
                                strncpy(buf, str, sizeof(buf));
 
                        if(str && parse_date_string(buf, &day, &month, &year)) {
-                               if(year)
-                                       str = strdup_printf("%04d-%02d-%02d",
-                                               year, month, day);
-                               else
-                                       str = strdup_printf("--%02d-%02d",
-                                               month, day);
-                               mvwaddnstr(editw, y, TAB_COLON_POS + 2, str,
-                                       bytes2width(str, FIELD_MAX_WIDTH));
-                               free(str);
+                               /* put locale representation of date in buf */
+                               locale_date(buf, sizeof(buf), year, month, day);
+                               mvwaddnstr(editw, y, TAB_COLON_POS + 2, buf,
+                                       bytes2width(buf, FIELD_MAX_WIDTH));
                        }
                } else {
                        find_field_number(cur->field->key, &nb);
@@ -397,6 +399,59 @@ edit_list(int item, int nb, int isemail)
        abook_list_free(&list);
 }
 
+/*
+ * str is a buffer of max length str_len, which, after calling, will
+ * contain a representation of the given [y, m, d] date using the
+ * current locale (as defined by LC_TIME).
+ *
+ * Default is an ISO 8601 representation.
+ *
+ * %-sequences available to translators: %y, %Y, %m, %M, %d, %D represent
+ * year, month, and day (the uppercase version telling to fill with leading
+ * zeros if necessary)
+ */
+static void
+locale_date(char *str, size_t str_len, int year, int month, int day)
+{
+       char *s = str, *fmt;
+       size_t len;
+
+#if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE)
+       fmt = year ?    dcgettext(PACKAGE, "%Y-%M-%D", LC_TIME) :
+                       dcgettext(PACKAGE, "--%M-%D", LC_TIME);
+#else
+       if(year)
+               snprintf(str, str_len, "%04d-%02d-%02d", year, month, day);
+       else
+               snprintf(str, str_len, "--%02d-%02d", month, day);
+       return;
+#endif
+
+       while(*fmt && (s - str + 1 < str_len)) {
+               if(*fmt != '%') {
+                       *s++ = *fmt++;
+                       continue;
+               }
+
+               len = str_len - (str - s);
+               switch(*++fmt) {
+                       case 'y': s += snprintf(s, len, "%d", year); break;
+                       case 'Y': s += snprintf(s, len, "%04d", year); break;
+                       case 'm': s += snprintf(s, len, "%d", month); break;
+                       case 'M': s += snprintf(s, len, "%02d", month); break;
+                       case 'd': s += snprintf(s, len, "%d", day); break;
+                       case 'D': s += snprintf(s, len, "%02d", day); break;
+                       case '%': /* fall through */
+                       default:
+                               *s++ = '%';
+                               *s++ = *fmt;
+                               break;
+               }
+               fmt++;
+       }
+       *++s = 0;
+}
+
 static int is_valid_date(const int day, const int month, const int year)
 {
        int valid = 1;