From d9344b00fe6d3c77d8e935b7029ac11587e5001f Mon Sep 17 00:00:00 2001
From: James Booth <boothj5@gmail.com>
Date: Sun, 3 Apr 2016 22:30:24 +0100
Subject: Added prof_strstr function

---
 src/common.c              | 72 +++++++++++++++++++++++++++++++++++++++--------
 src/common.h              |  3 +-
 src/event/server_events.c | 14 ++++-----
 3 files changed, 67 insertions(+), 22 deletions(-)

(limited to 'src')

diff --git a/src/common.c b/src/common.c
index ad66015f..c6ead0ba 100644
--- a/src/common.c
+++ b/src/common.c
@@ -199,18 +199,6 @@ str_replace(const char *string, const char *substr,
     return newstr;
 }
 
-gboolean
-str_contains_str(const char *const searchstr, const char *const substr)
-{
-    if (!searchstr) {
-        return FALSE;
-    }
-    if (!substr) {
-        return FALSE;
-    }
-    return g_strrstr(searchstr, substr) != NULL;
-}
-
 int
 str_contains(const char str[], int size, char ch)
 {
@@ -669,3 +657,63 @@ is_notify_enabled(void)
 
     return notify_enabled;
 }
+
+gboolean
+prof_strstr(const char *const needle, const char *const haystack, gboolean case_sensitive, gboolean whole_word)
+{
+    if (needle == NULL || haystack == NULL) {
+        return FALSE;
+    }
+
+    char *needle_str = case_sensitive ? strdup(needle) : g_utf8_strdown(needle, -1);
+    char *haystack_str = case_sensitive ? strdup(haystack) : g_utf8_strdown(haystack, -1);
+
+    if (whole_word) {
+        if (g_strcmp0(needle_str, haystack_str) == 0) {
+            free(needle_str);
+            free(haystack_str);
+            return TRUE;
+        }
+
+        char *pos = g_strrstr(haystack_str, needle_str);
+        if (pos == NULL) {
+            free(needle_str);
+            free(haystack_str);
+            return FALSE;
+        }
+
+        gboolean at_start = g_str_has_prefix(haystack_str, needle_str);
+        gboolean at_end = g_str_has_suffix(haystack_str, needle_str);
+
+        if (at_start) {
+            char *next = g_utf8_next_char(pos + strlen(needle_str) - 1);
+            gunichar nextu = g_utf8_get_char(next);
+            gboolean result = g_unichar_isalnum(nextu) ? FALSE : TRUE;
+            free(needle_str);
+            free(haystack_str);
+            return result;
+        } else if (at_end) {
+            char *prev = g_utf8_prev_char(pos);
+            gunichar prevu = g_utf8_get_char(prev);
+            gboolean result = g_unichar_isalnum(prevu) ? FALSE : TRUE;
+            free(needle_str);
+            free(haystack_str);
+            return result;
+        } else {
+            char *prev = g_utf8_prev_char(pos);
+            char *next = g_utf8_next_char(pos + strlen(needle_str) - 1);
+            gunichar prevu = g_utf8_get_char(prev);
+            gunichar nextu = g_utf8_get_char(next);
+            gboolean result = g_unichar_isalnum(prevu) || g_unichar_isalnum(nextu) ? FALSE : TRUE;
+            free(needle_str);
+            free(haystack_str);
+            return result;
+        }
+    } else {
+        gboolean result = g_strrstr(haystack_str, needle_str) != NULL ? TRUE : FALSE;
+        free(needle_str);
+        free(haystack_str);
+        return result;
+    }
+}
+
diff --git a/src/common.h b/src/common.h
index 21e9c4e2..284a096e 100644
--- a/src/common.h
+++ b/src/common.h
@@ -103,7 +103,6 @@ gboolean p_hash_table_contains(GHashTable *hash_table, gconstpointer key);
 gboolean create_dir(char *name);
 gboolean mkdir_recursive(const char *dir);
 char* str_replace(const char *string, const char *substr, const char *replacement);
-gboolean str_contains_str(const char *const searchstr, const char *const substr);
 int str_contains(const char str[], int size, char ch);
 gboolean strtoi_range(char *str, int *saveptr, int min, int max, char **err_msg);
 int utf8_display_len(const char *const str);
@@ -129,4 +128,6 @@ char* get_file_or_linked(char *loc, char *basedir);
 char* strip_arg_quotes(const char *const input);
 gboolean is_notify_enabled(void);
 
+gboolean prof_strstr(const char *const needle, const char *const haystack, gboolean case_sensitive, gboolean whole_word);
+
 #endif
diff --git a/src/event/server_events.c b/src/event/server_events.c
index 48e79d3b..2712ba56 100644
--- a/src/event/server_events.c
+++ b/src/event/server_events.c
@@ -251,15 +251,11 @@ sv_ev_room_message(const char *const room_jid, const char *const nick, const cha
     char *new_message = plugins_pre_room_message_display(room_jid, nick, message);
     char *mynick = muc_nick(mucwin->roomjid);
 
-    gboolean mention = FALSE;
-    char *message_lower = g_utf8_strdown(new_message, -1);
-    char *mynick_lower = g_utf8_strdown(mynick, -1);
-    if (g_strrstr(message_lower, mynick_lower)) {
-        mention = TRUE;
-    }
-    g_free(message_lower);
-    g_free(mynick_lower);
-
+//    gboolean case_sensitive = prefs_get_boolean(PREF_MENTION_CASE_SENSITIVE);
+//    gboolean whole_word = prefs_get_boolean(PREF_MENTION_WHOLE_WORD);
+    gboolean case_sensitive = FALSE;
+    gboolean whole_word = FALSE;
+    gboolean mention = prof_strstr(mynick, new_message, case_sensitive, whole_word);
     GList *triggers = prefs_message_get_triggers(new_message);
 
     mucwin_message(mucwin, nick, new_message, mention, triggers);
-- 
cgit 1.4.1-2-gfad0