/LASTLOG: -case option for case-sensitive matches. -force option is now

required to print lastlogs longer than 1000 lines.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1310 dbcabf3a-b0e7-0310-adc4-f8d773084564

5 files changed, 170 insertions, 186 deletions

diff --git a/src/fe-text/gui-windows.c b/src/fe-text/gui-windows.c
index 832e5a57..f791cc9a 100644
--- a/src/fe-text/gui-windows.c
+++ b/src/fe-text/gui-windows.c
@@ -789,81 +789,139 @@ static void signal_window_changed(WINDOW_REC *window)
 	screen_refresh_thaw();
 }
 
-GList *gui_window_find_text(WINDOW_REC *window, const char *text,
-			    GList *startline, int regexp, int fullword)
+void gui_window_line2text(LINE_REC *line, int coloring, GString *str)
 {
-#ifdef HAVE_REGEX_H
-    regex_t preg;
-#endif
-    GList *tmp;
-    GList *matches;
-    gchar *str, *ptr;
-    gint n, size;
+	int color;
+        unsigned char cmd;
+	char *ptr, *tmp;
+
+	g_return_if_fail(line != NULL);
+	g_return_if_fail(str != NULL);
+
+        g_string_truncate(str, 0);
+
+	color = 0;
+	for (ptr = line->text;;) {
+		if (*ptr != 0) {
+			g_string_append_c(str, *ptr);
+                        ptr++;
+			continue;
+		}
+
+		ptr++;
+                cmd = (unsigned char) *ptr;
+		ptr++;
+
+		if (cmd == LINE_CMD_EOL || cmd == LINE_CMD_FORMAT) {
+                        /* end of line */
+			break;
+		}
+
+		if (cmd == LINE_CMD_CONTINUE) {
+                        /* line continues in another address.. */
+			memcpy(&tmp, ptr, sizeof(char *));
+			ptr = tmp;
+                        continue;
+		}
 
-    g_return_val_if_fail(window != NULL, NULL);
-    g_return_val_if_fail(text != NULL, NULL);
+		if (!coloring) {
+			/* no colors, skip coloring commands */
+                        continue;
+		}
 
-    matches = NULL; size = 1024; str = g_malloc(1024);
+		if ((cmd & 0x80) == 0) {
+			/* set color */
+			color = cmd;
+			g_string_sprintfa(str, "\004%c%c",
+					  (color & 0x0f)+'0',
+					  ((color & 0xf0) >> 4)+'0');
+		} else switch (cmd) {
+		case LINE_CMD_UNDERLINE:
+			g_string_append_c(str, 31);
+			break;
+		case LINE_CMD_COLOR0:
+			g_string_sprintfa(str, "\004%c%c",
+					  '0', ((color & 0xf0) >> 4)+'0');
+			break;
+		case LINE_CMD_COLOR8:
+			g_string_sprintfa(str, "\004%c%c",
+					  '8', ((color & 0xf0) >> 4)+'0');
+			color &= 0xfff0;
+			color |= 8|ATTR_COLOR8;
+			break;
+		case LINE_CMD_BLINK:
+			color |= 0x80;
+			g_string_sprintfa(str, "\004%c%c", (color & 0x0f)+'0',
+					  ((color & 0xf0) >> 4)+'0');
+			break;
+		case LINE_CMD_INDENT:
+			break;
+		}
+	}
+}
 
+GList *gui_window_find_text(WINDOW_REC *window, GList *startline,
+			    int level, int nolevel, const char *text,
+			    int regexp, int fullword, int case_sensitive)
+{
 #ifdef HAVE_REGEX_H
-    if (regcomp(&preg, text, REG_ICASE|REG_EXTENDED|REG_NOSUB) != 0)
-	    return 0;
+	regex_t preg;
 #endif
+	GList *tmp;
+	GList *matches;
+        GString *str;
 
-    if (startline == NULL) startline = WINDOW_GUI(window)->lines;
-    for (tmp = startline; tmp != NULL; tmp = tmp->next)
-    {
-        LINE_REC *rec = tmp->data;
+	g_return_val_if_fail(window != NULL, NULL);
+	g_return_val_if_fail(text != NULL, NULL);
 
-	if (*text == '\0') {
-		matches = g_list_append(matches, rec);
-		continue;
+	if (regexp) {
+#ifdef HAVE_REGEX_H
+		int flags = REG_EXTENDED | REG_NOSUB |
+			(case_sensitive ? 0 : REG_ICASE);
+		if (regcomp(&preg, text, flags) != 0)
+			return NULL;
+#else
+		return NULL;
+#endif
 	}
 
-	for (n = 0, ptr = rec->text; ; ptr++)
-	{
-	    if (*ptr != 0)
-	    {
-		if (n+2 > size)
-		{
-		    size += 1024;
-                    str = g_realloc(str, size);
-		}
-		str[n++] = toupper(*ptr);
-	    }
-	    else
-	    {
-		ptr++;
+	matches = NULL;
+        str = g_string_new(NULL);
+
+	if (startline == NULL)
+		startline = WINDOW_GUI(window)->lines;
+
+	for (tmp = startline; tmp != NULL; tmp = tmp->next) {
+		LINE_REC *rec = tmp->data;
 
-		if ((guchar) *ptr == LINE_CMD_CONTINUE)
-		{
-		    gchar *tmp;
+		if ((rec->level & level) == 0 || (rec->level & nolevel) != 0)
+                        continue;
 
-		    memcpy(&tmp, ptr+1, sizeof(gchar *));
-		    ptr = tmp-1;
+		if (*text == '\0') {
+                        /* no search word, everything matches */
+			matches = g_list_append(matches, rec);
+			continue;
 		}
-		else if ((guchar) *ptr == LINE_CMD_EOL ||
-			 (guchar) *ptr == LINE_CMD_FORMAT)
-		    break;
-	    }
-	}
-        str[n] = '\0';
 
-	if (
+                gui_window_line2text(rec, FALSE, str);
+
+                if (
 #ifdef HAVE_REGEX_H
-		regexp ? regexec(&preg, str, 0, NULL, 0) == 0 :
+		    regexp ? regexec(&preg, str->str, 0, NULL, 0) == 0 :
 #endif
-	    fullword ? stristr_full(str, text) != NULL :
-	    stristr(str, text) != NULL) {
-                /* matched */
-		matches = g_list_append(matches, rec);
+		    fullword ? strstr_full_case(str->str, text,
+						!case_sensitive) != NULL :
+		    case_sensitive ? strstr(str->str, text) != NULL :
+				     stristr(str->str, text) != NULL) {
+			/* matched */
+			matches = g_list_append(matches, rec);
+		}
 	}
-    }
 #ifdef HAVE_REGEX_H
-    regfree(&preg);
+	if (regexp) regfree(&preg);
 #endif
-    if (str != NULL) g_free(str);
-    return matches;
+        g_string_free(str, TRUE);
+	return matches;
 }
 
 static void gui_update_bottom_startline(GUI_WINDOW_REC *gui)
diff --git a/src/fe-text/gui-windows.h b/src/fe-text/gui-windows.h
index 2159f61c..9fef4521 100644
--- a/src/fe-text/gui-windows.h
+++ b/src/fe-text/gui-windows.h
@@ -97,8 +97,11 @@ void gui_windows_deinit(void);
 WINDOW_REC *gui_window_create(MAIN_WINDOW_REC *parent);
 
 void gui_window_set_server(WINDOW_REC *window, SERVER_REC *server);
-GList *gui_window_find_text(WINDOW_REC *window, const char *text,
-			    GList *startline, int regexp, int fullword);
+
+void gui_window_line2text(LINE_REC *line, int coloring, GString *str);
+GList *gui_window_find_text(WINDOW_REC *window, GList *startline,
+			    int level, int nolevel, const char *text,
+			    int regexp, int fullword, int case_sensitive);
 
 /* get number of real lines that line record takes */
 int gui_window_get_linecount(GUI_WINDOW_REC *gui, LINE_REC *line);
diff --git a/src/fe-text/lastlog.c b/src/fe-text/lastlog.c
index 3968632c..53ae511a 100644
--- a/src/fe-text/lastlog.c
+++ b/src/fe-text/lastlog.c
@@ -31,6 +31,8 @@
 #include "gui-windows.h"
 #include "gui-printtext.h"
 
+#define MAX_LINES_WITHOUT_FORCE 1000
+
 static void window_lastlog_clear(WINDOW_REC *window)
 {
 	GList *tmp, *next;
@@ -45,84 +47,6 @@ static void window_lastlog_clear(WINDOW_REC *window)
         gui_window_redraw(window);
 }
 
-static char *gui_window_line2text(LINE_REC *line, int coloring)
-{
-	GString *str;
-	int color;
-	char *ret, *ptr, *tmp;
-
-	g_return_val_if_fail(line != NULL, NULL);
-
-	str = g_string_new(NULL);
-
-	color = 0;
-	for (ptr = line->text; ; ptr++) {
-		if (*ptr != 0) {
-			g_string_append_c(str, *ptr);
-			continue;
-		}
-
-		ptr++;
-		if (!coloring) {
-			/* no colors, handle only commands that don't
-			   have anything to do with colors */
-			switch ((unsigned char) *ptr) {
-			case LINE_CMD_EOL:
-			case LINE_CMD_FORMAT:
-				ret = str->str;
-				g_string_free(str, FALSE);
-				return ret;
-			case LINE_CMD_CONTINUE:
-				memcpy(&tmp, ptr+1, sizeof(char *));
-				ptr = tmp-1;
-				break;
-			}
-                        continue;
-		}
-
-		if ((*ptr & 0x80) == 0) {
-			/* set color */
-			color = *ptr;
-			g_string_sprintfa(str, "\004%c%c", (color & 0x0f)+'0',
-					  ((color & 0xf0) >> 4)+'0');
-		}
-		else switch ((unsigned char) *ptr)
-		{
-		case LINE_CMD_EOL:
-		case LINE_CMD_FORMAT:
-			ret = str->str;
-			g_string_free(str, FALSE);
-			return ret;
-		case LINE_CMD_CONTINUE:
-			memcpy(&tmp, ptr+1, sizeof(char *));
-			ptr = tmp-1;
-			break;
-		case LINE_CMD_UNDERLINE:
-			g_string_append_c(str, 31);
-			break;
-		case LINE_CMD_COLOR0:
-			g_string_sprintfa(str, "\004%c%c",
-					  '0', ((color & 0xf0) >> 4)+'0');
-			break;
-		case LINE_CMD_COLOR8:
-			g_string_sprintfa(str, "\004%c%c",
-					  '8', ((color & 0xf0) >> 4)+'0');
-			color &= 0xfff0;
-			color |= 8|ATTR_COLOR8;
-			break;
-		case LINE_CMD_BLINK:
-			color |= 0x80;
-			g_string_sprintfa(str, "\004%c%c", (color & 0x0f)+'0',
-					  ((color & 0xf0) >> 4)+'0');
-			break;
-		case LINE_CMD_INDENT:
-			break;
-		}
-	}
-
-	return NULL;
-}
-
 /* Only unknown keys in `optlist' should be levels.
    Returns -1 if unknown option was given. */
 int cmd_options_get_level(const char *cmd, GHashTable *optlist)
@@ -162,40 +86,14 @@ int cmd_options_get_level(const char *cmd, GHashTable *optlist)
 	return retlevel;
 }
 
-#define lastlog_match(line, level) \
-	(((line)->level & level) != 0 && ((line)->level & MSGLEVEL_LASTLOG) == 0)
-
-static GList *lastlog_find_startline(GList *list, int count, int start, int level)
-{
-	GList *tmp;
-
-	if (count <= 0) return list;
-
-	for (tmp = g_list_last(list); tmp != NULL; tmp = tmp->prev) {
-		LINE_REC *rec = tmp->data;
-
-		if (!lastlog_match(rec, level))
-			continue;
-
-		if (start > 0) {
-			start--;
-			continue;
-		}
-
-		if (--count == 0)
-			return tmp;
-	}
-
-	return list;
-}
-
 static void show_lastlog(const char *searchtext, GHashTable *optlist,
 			 int start, int count)
 {
         WINDOW_REC *window;
 	GList *startline, *list, *tmp;
-	char *str, *line;
-	int level, fhandle;
+	GString *line;
+        char *str;
+	int level, fhandle, len;
 
         level = cmd_options_get_level("lastlog", optlist);
 	if (level == -1) return; /* error in options */
@@ -243,40 +141,63 @@ static void show_lastlog(const char *searchtext, GHashTable *optlist,
 		startline = NULL;
 	if (startline == NULL) startline = WINDOW_GUI(window)->lines;
 
-	list = gui_window_find_text(window, searchtext, startline,
+	list = gui_window_find_text(window, startline,
+				    level, MSGLEVEL_LASTLOG,
+				    searchtext,
 				    g_hash_table_lookup(optlist, "regexp") != NULL,
-				    g_hash_table_lookup(optlist, "word") != NULL);
-	tmp = lastlog_find_startline(list, count, start, level);
+				    g_hash_table_lookup(optlist, "word") != NULL,
+				    g_hash_table_lookup(optlist, "case") != NULL);
 
-	for (; tmp != NULL && (count < 0 || count > 0); tmp = tmp->next) {
-		LINE_REC *rec = tmp->data;
+        len = g_list_length(list);
+	if (count <= 0)
+		tmp = list;
+	else {
+		int pos = len-count;
 
-		if (!lastlog_match(rec, level))
-			continue;
-		count--;
+		if (pos < 0) pos = 0;
+		pos += start;
+
+		tmp = pos > len ? NULL : g_list_nth(list, pos);
+		len = g_list_length(tmp);
+	}
+
+	if (len > MAX_LINES_WITHOUT_FORCE && fhandle == -1 &&
+	    g_hash_table_lookup(optlist, "force") == NULL) {
+		printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
+				   TXT_LASTLOG_TOO_LONG, len);
+		g_list_free(list);
+		return;
+	}
+
+	line = g_string_new(NULL);
+        while (tmp != NULL && (count < 0 || count > 0)) {
+		LINE_REC *rec = tmp->data;
 
                 /* get the line text */
-		line = gui_window_line2text(rec, fhandle == -1);
-		if (settings_get_bool("timestamps"))
-                        str = line;
-		else {
+		gui_window_line2text(rec, fhandle == -1, line);
+		if (!settings_get_bool("timestamps")) {
 			struct tm *tm = localtime(&rec->time);
-			str = g_strdup_printf("%02d:%02d %s",
-					      tm->tm_hour, tm->tm_min, line);
+                        char timestamp[10];
+
+			g_snprintf(timestamp, sizeof(timestamp),
+				   "%02d:%02d ",
+				   tm->tm_hour, tm->tm_min);
+                        g_string_prepend(line, timestamp);
 		}
 
                 /* write to file/window */
 		if (fhandle != -1) {
-			write(fhandle, line, strlen(line));
+			write(fhandle, line->str, line->len);
 			write(fhandle, "\n", 1);
 		} else {
 			printtext_window(active_win, MSGLEVEL_LASTLOG,
-					 "%s", line);
+					 "%s", line->str);
 		}
 
-		if (str != line) g_free(str);
-		g_free(line);
+		count--;
+		tmp = tmp->next;
 	}
+        g_string_free(line, TRUE);
 
 	if (fhandle == -1 && g_hash_table_lookup(optlist, "-") == NULL)
 		printformat(NULL, NULL, MSGLEVEL_LASTLOG, TXT_LASTLOG_END);
@@ -291,8 +212,8 @@ static void show_lastlog(const char *searchtext, GHashTable *optlist,
 }
 
 /* SYNTAX: LASTLOG [-] [-file <filename>] [-clear] [-<level> -<level...>]
-		   [-new | -away] [-regexp | -word] [-window <ref#|name>]
-		   [<pattern>] [<count> [<start>]] */
+		   [-new | -away] [-regexp | -word] [-case]
+		   [-window <ref#|name>] [<pattern>] [<count> [<start>]] */
 static void cmd_lastlog(const char *data)
 {
 	GHashTable *optlist;
@@ -323,7 +244,7 @@ void lastlog_init(void)
 {
 	command_bind("lastlog", NULL, (SIGNAL_FUNC) cmd_lastlog);
 
-	command_set_options("lastlog", "!- clear -file -window new away word regexp");
+	command_set_options("lastlog", "!- force clear -file -window new away word regexp case");
 }
 
 void lastlog_deinit(void)
diff --git a/src/fe-text/module-formats.c b/src/fe-text/module-formats.c
index 5bb5bcbe..be3c0eab 100644
--- a/src/fe-text/module-formats.c
+++ b/src/fe-text/module-formats.c
@@ -25,6 +25,7 @@ FORMAT_REC gui_text_formats[] =
 {
 	{ MODULE_NAME, "Text user interface", 0 },
 
+	{ "lastlog_too_long", "/LASTLOG would print $0 lines. If you really want to print all these lines use -force option.", 1, { 1 } },
 	{ "lastlog_start", "{hilight Lastlog}:", 0 },
 	{ "lastlog_end", "{hilight End of Lastlog}", 0 },
 
diff --git a/src/fe-text/module-formats.h b/src/fe-text/module-formats.h
index 9fe896d8..fe33c8e2 100644
--- a/src/fe-text/module-formats.h
+++ b/src/fe-text/module-formats.h
@@ -3,6 +3,7 @@
 enum {
 	TXT_MODULE_NAME,
 
+        TXT_LASTLOG_TOO_LONG,
 	TXT_LASTLOG_START,
 	TXT_LASTLOG_END,