(set_transform_expr,_transform_name_to_obstack): Implement NUMBER flag.

diff --git a/src/transform.c b/src/transform.c
index 598caaccac79abc7119cb9fad8ef540094f14c3a..8098ae23f51ed5c15dfb233c08f494a9a525577c 100644 (file)
--- a/src/transform.c
+++ b/src/transform.c
@@ -26,6 +26,7 @@ enum transform_type
     transform_global
   }
 transform_type = transform_none;
+static unsigned match_number = 0;
 static regex_t regex;
 static struct obstack stk;
 
@@ -176,6 +177,12 @@ set_transform_expr (const char *expr)
        cflags |= REG_EXTENDED;
        break;
        
+      case '0': case '1': case '2': case '3': case '4':
+      case '5': case '6': case '7': case '8': case '9':
+       match_number = strtoul (p, (char**) &p, 0);
+       p--;
+       break;
+       
       default:
        USAGE_ERROR ((0, 0, _("Unknown flag in transform expression")));
       }
@@ -372,9 +379,10 @@ _transform_name_to_obstack (char *input)
   regmatch_t *rmp;
   char *p;
   int rc;
+  size_t nmatches = 0;
   enum case_ctl_type case_ctl = ctl_stop,  /* Current case conversion op */
                      save_ctl = ctl_stop;  /* Saved case_ctl for \u and \l */
-
+  
   /* Reset case conversion after a single-char operation */
 #define CASE_CTL_RESET()  if (case_ctl == ctl_upcase_next     \
                              || case_ctl == ctl_locase_next) \
@@ -403,7 +411,15 @@ _transform_name_to_obstack (char *input)
 
          if (rmp[0].rm_so)
            obstack_grow (&stk, input, rmp[0].rm_so);
-         
+
+         nmatches++;
+         if (match_number && nmatches < match_number)
+           {
+             obstack_grow (&stk, input, disp);
+             input += disp;
+             continue;
+           }
+
          for (segm = repl_head; segm; segm = segm->next)
            {
              switch (segm->type)