From: Rocco Rutte <pdmef@gmx.net>
Date: Tue, 31 Mar 2009 12:50:05 +0000 (+0200)
Subject: Perform case insensitive string search if pattern is lower case
X-Git-Tag: mutt-1-5-20-rel~127^2~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e188c5c49589a4cdf2f459b72b5005e3f0e7762c;p=mutt

Perform case insensitive string search if pattern is lower case

...since we do that for regex patterns already.
It doesn't work for IMAP server-side searches.
---

diff --git a/UPDATING b/UPDATING
index 491b40fe..fe5860d4 100644
--- a/UPDATING
+++ b/UPDATING
@@ -5,6 +5,8 @@ The keys used are:
   !: modified feature, -: deleted feature, +: new feature
 
 hg tip:
+  + lower case patterns for string searches perform case-insensitive
+    search as regex patterns do (except IMAP)
   + $ssl_verify_dates controls whether mutt checks the validity period of
     SSL certificates
   + $ssl_verify_hostname controls whether mutt will accept certificates whose
diff --git a/doc/manual.xml.head b/doc/manual.xml.head
index fde989af..42325117 100644
--- a/doc/manual.xml.head
+++ b/doc/manual.xml.head
@@ -7006,9 +7006,9 @@ message bodies since a larger amount of input has to be searched.
 </para>
 
 <para>
-Please note that string search is an exact case-sensitive search
-while a regular expression search with only lower-case letters performs
-a case-insensitive search.
+As for regular expressions, a lower case string search pattern makes
+Mutt perform a case-insensitive search except for IMAP (because for IMAP
+Mutt performs server-side searches which don't support case-insensivity).
 </para>
 
 </sect1>
diff --git a/mutt.h b/mutt.h
index 87b41785..5ee1f1ba 100644
--- a/mutt.h
+++ b/mutt.h
@@ -817,6 +817,7 @@ typedef struct pattern_t
   unsigned int alladdr : 1;
   unsigned int stringmatch : 1;
   unsigned int groupmatch : 1;
+  unsigned int ign_case : 1;		/* ignore case for local stringmatch searches */
   int min;
   int max;
   struct pattern_t *next;
diff --git a/pattern.c b/pattern.c
index 22ff3691..24753ee1 100644
--- a/pattern.c
+++ b/pattern.c
@@ -277,6 +277,7 @@ static int eat_regexp (pattern_t *pat, BUFFER *s, BUFFER *err)
   if (pat->stringmatch)
   {
     pat->p.str = safe_strdup (buf.data);
+    pat->ign_case = mutt_which_case (buf.data) == REG_ICASE;
     FREE (&buf.data);
   }
   else if (pat->groupmatch)
@@ -700,7 +701,8 @@ static int eat_date (pattern_t *pat, BUFFER *s, BUFFER *err)
 static int patmatch (const pattern_t* pat, const char* buf)
 {
   if (pat->stringmatch)
-    return !strstr (buf, pat->p.str);
+    return pat->ign_case ? !strcasestr (buf, pat->p.str) :
+			   !strstr (buf, pat->p.str);
   else if (pat->groupmatch)
     return !mutt_group_match (pat->p.g, buf);
   else