From 5b9a7f3c7d6794d6642ac07bd2b00d21a88bb995 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Mon, 7 Oct 2019 21:32:21 +0200
Subject: [PATCH] Fixed the 'y' option + added the --delete-regexp option.

---
 selector.1 |  3 +++
 selector.c | 29 ++++++++++++++++++++++++++---
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/selector.1 b/selector.1
index e8eb8ff..a673a13 100644
--- a/selector.1
+++ b/selector.1
@@ -119,6 +119,9 @@ standard setting for bash history search, same as
 
 -b -i -d -v -w -l ${HISTSIZE}
 .TP
+\fB--delete-regexp \fI<regexp>\fR
+deletes in every line the portion matching the regexp
+.TP
 \fB-t \fI<title>\fR, \fB--title \fI<title>\fR
 add a title in the modeline
 .TP
diff --git a/selector.c b/selector.c
index ac80d93..f573d79 100644
--- a/selector.c
+++ b/selector.c
@@ -65,6 +65,7 @@ int global_remove_duplicates = 0;
 int global_use_regexp = 0;
 int global_case_sensitive = 0;
 char *global_title = 0;
+regex_t *global_prefix_regexp = 0;
 int global_error_flash = 0;
 int global_upper_caps_makes_case_sensitive = 0;
 int global_show_long_lines = 0;
@@ -204,6 +205,8 @@ void usage(FILE *out) {
   fprintf(out, "         make a flash instead of a beep on an edition error\n");
   fprintf(out, " --bash\n");
   fprintf(out, "         setting for bash history search, same as -b -i -d -v -w -l ${HISTSIZE}\n");
+  fprintf(out, " --delete-regexp <regexp>\n");
+  fprintf(out, "         deletes in every line the portion matching the regexp\n");
   fprintf(out, " --\n");
   fprintf(out, "         all following arguments are filenames\n");
   fprintf(out, " -t <title>, --title <title>\n");
@@ -877,9 +880,20 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
 /*********************************************************************/
 
 void store_line(struct hash_table_t *hash_table,
-                const char *new_line,
+                char *new_line,
                 int *nb_lines, char **lines) {
   int dup;
+  char *c, *d;
+  regmatch_t matches;
+
+  /* Remove some parts matching a regexp */
+
+  if(global_prefix_regexp && regexec(global_prefix_regexp, new_line, 1, &matches, 0) == 0) {
+    c = new_line + matches.rm_so;
+    d = new_line + matches.rm_eo;
+    while(*d) { *c++ = *d++; }
+    *c = 0;
+  }
 
   /* Remove the zsh history prefix */
 
@@ -961,7 +975,8 @@ void read_file(struct hash_table_t *hash_table,
 /* For long options that have no equivalent short option, use a
    non-character as a pseudo short option, starting with CHAR_MAX + 1.  */
 enum {
-  OPT_BASH_MODE = CHAR_MAX + 1
+  OPT_BASH_MODE = CHAR_MAX + 1,
+  OPT_DELETE_REGEXP = CHAR_MAX + 2
 };
 
 static struct option long_options[] = {
@@ -979,13 +994,14 @@ static struct option long_options[] = {
   { "regexp", no_argument, 0, 'e' },
   { "case-sensitive", no_argument, 0, 'a' },
   { "show-long-lines", no_argument, 0, 'j'},
-  { "show-hits", no_argument, 0, 'j'},
+  { "show-hits", no_argument, 0, 'y'},
   { "upper-case-makes-case-sensitive", no_argument, 0, 'u' },
   { "title", 1, 0, 't' },
   { "pattern", 1, 0, 'r' },
   { "number-of-lines", 1, 0, 'l' },
   { "colors", 1, 0, 'c' },
   { "bash", no_argument, 0, OPT_BASH_MODE },
+  { "delete-regexp", 1, 0, OPT_DELETE_REGEXP },
   { "help", no_argument, 0, 'h' },
   { 0, 0, 0, 0 }
 };
@@ -1107,6 +1123,12 @@ int main(int argc, char **argv) {
       strcpy(global_title, optarg);
       break;
 
+    case OPT_DELETE_REGEXP:
+      free(global_prefix_regexp);
+      global_prefix_regexp = safe_malloc(sizeof(*global_prefix_regexp));
+      regcomp(global_prefix_regexp, optarg, 0);
+      break;
+
     case 'r':
       strcpy(pattern, optarg);
       break;
@@ -1441,6 +1463,7 @@ int main(int argc, char **argv) {
   free(labels);
   free(lines);
   free(global_title);
+  free(global_prefix_regexp);
 
   exit(EXIT_SUCCESS);
 }
-- 
2.39.5