X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=src%2Fmodest-text-utils.c;h=820eee3bef5d9544e595537105a016b9d05a1e06;hb=ebf707008afa18b76b856fd81e4f81cf2628cc39;hp=15405e82bfc387a9de69b4843bc35f01aaec3f90;hpb=b2820dc1b13a08ff616aaf842c5f451353df0f38;p=modest

diff --git a/src/modest-text-utils.c b/src/modest-text-utils.c
index 15405e8..820eee3 100644
--- a/src/modest-text-utils.c
+++ b/src/modest-text-utils.c
@@ -41,6 +41,7 @@
 #include <regex.h>
 #include <modest-tny-platform-factory.h>
 #include <modest-text-utils.h>
+#include <modest-account-mgr-helpers.h>
 #include <modest-runtime.h>
 #include <ctype.h>
 
@@ -163,6 +164,8 @@ static gchar*   modest_text_utils_quote_html       (const gchar *text,
 						    GList *attachments,
 						    int limit);
 static gchar*   get_email_from_address (const gchar *address);
+static void     remove_extra_spaces (gchar *string);
+
 
 
 /* ******************************************************************* */
@@ -205,23 +208,26 @@ modest_text_utils_cite (const gchar *text,
 			const gchar *from,
 			time_t sent_date)
 {
-	gchar *retval;
-	gchar *tmp_sig;
-	
+	gchar *retval, *tmp;
+
 	g_return_val_if_fail (text, NULL);
 	g_return_val_if_fail (content_type, NULL);
-	
-	if (!signature) {
-		tmp_sig = g_strdup (text);
-	} else {
-		tmp_sig = g_strconcat (text, "\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER, "\n", signature, NULL);
-	}
 
 	if (strcmp (content_type, "text/html") == 0) {
-		retval = modest_text_utils_convert_to_html_body (tmp_sig, -1, TRUE);
-		g_free (tmp_sig);
+		tmp = modest_text_utils_convert_to_html_body (text, -1, TRUE);
+		if (signature) {
+			gchar *colored_signature = modest_text_utils_create_colored_signature (signature);
+			retval = g_strconcat (tmp, colored_signature, NULL);
+			g_free (colored_signature);
+			g_free (tmp);
+		} else {
+			retval = tmp;
+		}
 	} else {
-		retval = tmp_sig;
+		if (signature)
+			retval = g_strconcat (text, "\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER, "\n", signature, NULL);
+		else
+			retval = g_strdup (text);
 	}
 
 	return retval;
@@ -295,12 +301,12 @@ modest_text_utils_strftime(char *s, gsize max, const char *fmt, time_t timet)
 }
 
 gchar *
-modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
+modest_text_utils_derived_subject (const gchar *subject, gboolean is_reply)
 {
-	gchar *tmp, *subject_dup, *retval;
-	gint prefix_len;
-
-	g_return_val_if_fail (prefix, NULL);
+	gchar *tmp, *subject_dup, *retval, *prefix;
+	const gchar *untranslated_prefix;
+	gint prefix_len, untranslated_prefix_len;
+	gboolean found = FALSE;
 
 	if (!subject || subject[0] == '\0')
 		subject = _("mail_va_no_subject");
@@ -308,36 +314,41 @@ modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
 	subject_dup = g_strdup (subject);
 	tmp = g_strchug (subject_dup);
 
-	/* We do not want things like "Re: Re: Re:" or "Fw: Fw:" so
-	   delete the previous ones */
-	prefix_len = strlen (prefix);
-	do {
-		if (g_str_has_prefix (tmp, prefix)) {
-			tmp += prefix_len;
-			tmp = g_strchug (tmp);
-		} else {
-			gchar *prefix_down, *tmp_down;
-
-			/* We need this to properly check the cases of
-			   some clients adding FW: instead of Fw: for
-			   example */
-			prefix_down = g_utf8_strdown (prefix, -1);
-			tmp_down = g_utf8_strdown (tmp, -1);
-			if (g_str_has_prefix (tmp_down, prefix_down)) {
-				tmp += prefix_len;
-				tmp = g_strchug (tmp);
-				g_free (prefix_down);
-				g_free (tmp_down);
-			} else {
-				g_free (prefix_down);
-				g_free (tmp_down);
-				break;
-			}
-		}
-	} while (tmp);
+	prefix = (is_reply) ? _("mail_va_re") : _("mail_va_fw");
+	prefix = g_strconcat (prefix, ":", NULL);
+	prefix_len = g_utf8_strlen (prefix, -1);
 
-	retval = g_strdup_printf ("%s %s", prefix, tmp);
-	g_free (subject_dup);
+	untranslated_prefix =  (is_reply) ? "Re:" : "Fw:";
+	untranslated_prefix_len = 3;
+
+	if (g_str_has_prefix (tmp, prefix) ||
+	    g_str_has_prefix (tmp, untranslated_prefix)) {
+		found = TRUE;
+	} else {
+		gchar *prefix_down, *tmp_down, *untranslated_down;
+
+		prefix_down = g_utf8_strdown (prefix, -1);
+		untranslated_down = g_utf8_strdown (untranslated_prefix, -1);
+		tmp_down = g_utf8_strdown (tmp, -1);
+		if (g_str_has_prefix (tmp_down, prefix_down) ||
+		    g_str_has_prefix (tmp_down, untranslated_down) ||
+		    (!is_reply && g_str_has_prefix (tmp_down, "fwd:")))
+			found = TRUE;
+
+		g_free (prefix_down);
+		g_free (untranslated_down);
+		g_free (tmp_down);
+	}
+
+	if (found) {
+		/* If the prefix is already present do not touch the subject */
+		retval = subject_dup;
+	} else {
+		/* Normal case, add the prefix */
+		retval = g_strdup_printf ("%s %s", untranslated_prefix, tmp);
+		g_free (subject_dup);
+	}
+	g_free (prefix);
 
 	return retval;
 }
@@ -487,7 +498,7 @@ modest_text_utils_convert_buffer_to_html_start (GString *html, const gchar *data
 		guchar kar = data[i];
 		
 		if (space_seen && kar != ' ') {
-			g_string_append (html, " ");
+			g_string_append (html, "&#32;");
 			space_seen = FALSE;
 		}
 		
@@ -604,59 +615,52 @@ modest_text_utils_convert_to_html_body (const gchar *data, gssize n, gboolean hy
 void
 modest_text_utils_get_addresses_indexes (const gchar *addresses, GSList **start_indexes, GSList **end_indexes)
 {
-	gchar *current, *start, *last_blank;
-	gint start_offset = 0, current_offset = 0;
+	GString *str;
+	gchar *start, *cur;
 
-	g_return_if_fail (start_indexes != NULL);
-	g_return_if_fail (end_indexes != NULL);
+	if (!addresses)
+		return;
 
-	start = (gchar *) addresses;
-	current = start;
-	last_blank = start;
+	if (strlen (addresses) == 0)
+		return;
 
-	while (*current != '\0') {
-		if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
-			start = g_utf8_next_char (start);
-			start_offset++;
-			last_blank = current;
-		} else if ((*current == ',')||(*current == ';')) {
+	str = g_string_new ("");
+	start = (gchar*) addresses;
+	cur = (gchar*) addresses;
+
+	for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
+		if (*cur == ',' || *cur == ';') {
 			gint *start_index, *end_index;
-			start_index = g_new0(gint, 1);
-			end_index = g_new0(gint, 1);
-			*start_index = start_offset;
-			*end_index = current_offset;
+			gchar *next_char = g_utf8_next_char (cur);
+
+			if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")) &&
+			    next_char && *next_char != '\n' && *next_char != '\0')
+				continue;
+
+			start_index = g_new0 (gint, 1);
+			end_index = g_new0 (gint, 1);
+			*start_index = g_utf8_pointer_to_offset (addresses, start);
+			*end_index = g_utf8_pointer_to_offset (addresses, cur);;
 			*start_indexes = g_slist_prepend (*start_indexes, start_index);
 			*end_indexes = g_slist_prepend (*end_indexes, end_index);
-			start = g_utf8_next_char (current);
-			start_offset = current_offset + 1;
-			last_blank = start;
-		} else if (*current == '"') {
-			current = g_utf8_next_char (current);
-			current_offset ++;
-			while ((*current != '"')&&(*current != '\0')) {
-				current = g_utf8_next_char (current);
-				current_offset ++;
-			}
+			start = g_utf8_next_char (cur);
 		}
-				
-		current = g_utf8_next_char (current);
-		current_offset ++;
 	}
 
-	if (start != current) {
-			gint *start_index, *end_index;
-			start_index = g_new0(gint, 1);
-			end_index = g_new0(gint, 1);
-			*start_index = start_offset;
-			*end_index = current_offset;
-			*start_indexes = g_slist_prepend (*start_indexes, start_index);
-			*end_indexes = g_slist_prepend (*end_indexes, end_index);
+	if (start != cur) {
+		gint *start_index, *end_index;
+		start_index = g_new0 (gint, 1);
+		end_index = g_new0 (gint, 1);
+		*start_index = g_utf8_pointer_to_offset (addresses, start);
+		*end_index = g_utf8_pointer_to_offset (addresses, cur);;
+		*start_indexes = g_slist_prepend (*start_indexes, start_index);
+		*end_indexes = g_slist_prepend (*end_indexes, end_index);
 	}
-	
-	*start_indexes = g_slist_reverse (*start_indexes);
-	*end_indexes = g_slist_reverse (*end_indexes);
 
-	return;
+	if (*start_indexes)
+		*start_indexes = g_slist_reverse (*start_indexes);
+	if (*end_indexes)
+		*end_indexes = g_slist_reverse (*end_indexes);
 }
 
 
@@ -670,15 +674,16 @@ modest_text_utils_split_addresses_list (const gchar *addresses)
 	gboolean after_at = FALSE;
 
 	g_return_val_if_fail (addresses, NULL);
-	
-	/* skip any space, ',', ';' at the start */
-	while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' || my_addrs[0] == ';'))
+
+	/* skip any space, ',', ';' '\n' at the start */
+	while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' ||
+			    my_addrs[0] == ';' || my_addrs[0] == '\n'))
 	       ++my_addrs;
 
 	/* are we at the end of addresses list? */
 	if (!my_addrs[0])
 		return NULL;
-	
+
 	/* nope, we are at the start of some address
 	 * now, let's find the end of the address */
 	end = my_addrs + 1;
@@ -701,12 +706,56 @@ modest_text_utils_split_addresses_list (const gchar *addresses)
 	addr = g_strndup (my_addrs, end - my_addrs);
 	g_strchomp (addr);
 
+	remove_extra_spaces (addr);
+
 	head = g_slist_append (NULL, addr);
 	head->next = modest_text_utils_split_addresses_list (end); /* recurse */
 
 	return head;
 }
 
+gchar *
+modest_text_utils_join_addresses (const gchar *from,
+				  const gchar *to,
+				  const gchar *cc,
+				  const gchar *bcc)
+{
+	GString *buffer;
+	gboolean add_separator = FALSE;
+
+	buffer = g_string_new ("");
+
+	if (from && strlen (from)) {
+		buffer = g_string_append (buffer, from);
+		add_separator = TRUE;
+	}
+	if (to && strlen (to)) {
+		if (add_separator)
+			buffer = g_string_append (buffer, "; ");
+		else
+			add_separator = TRUE;
+
+		buffer = g_string_append (buffer, to);
+	}
+	if (cc && strlen (cc)) {
+		if (add_separator)
+			buffer = g_string_append (buffer, "; ");
+		else
+			add_separator = TRUE;
+
+		buffer = g_string_append (buffer, cc);
+	}
+	if (bcc && strlen (bcc)) {
+		if (add_separator)
+			buffer = g_string_append (buffer, "; ");
+		else
+			add_separator = TRUE;
+
+		buffer = g_string_append (buffer, bcc);
+	}
+
+	return g_string_free (buffer, FALSE);
+}
 
 void
 modest_text_utils_address_range_at_position (const gchar *recipients_list,
@@ -874,6 +923,9 @@ get_breakpoint_utf8 (const gchar * s, gint indent, const gint limit)
 	const gchar *pos, *last;
 	gunichar *uni;
 
+	if (2*indent >= limit)
+		return strlen (s);
+
 	indent = indent < 0 ? abs (indent) - 1 : indent;
 
 	last = NULL;
@@ -955,17 +1007,44 @@ modest_text_utils_quote_body (GString *output, const gchar *text,
 
 	const gchar *iter;
 	gsize len;
-	gint indent, breakpoint, rem_indent = 0;
+	gint indent = 0, breakpoint, rem_indent = 0;
 	GString *l, *remaining;
+	gchar *forced_wrap_append;
 
 	iter = text;
 	len = strlen(text);
 	remaining = g_string_new ("");
+	forced_wrap_append = NULL;
 	do {
-		l = get_next_line (text, len, iter);
-		iter = iter + l->len + 1;
-		indent = get_indent_level (l->str);
-		unquote_line (l, quote_symbol);
+
+		if (forced_wrap_append) {
+			gint next_line_indent;
+			gint l_len_with_indent;
+
+			g_string_erase (remaining, 0, -1);
+			next_line_indent = get_indent_level (iter);
+			l = get_next_line (text, len, iter);
+			l_len_with_indent = l->len;
+			unquote_line (l, quote_symbol);
+			if ((l->str && l->str[0] == '\0') || (next_line_indent != indent)) {
+				g_string_free (l, TRUE);
+				l = g_string_new (forced_wrap_append);
+			} else {
+				gunichar first_in_l;
+				iter = iter + l_len_with_indent + 1;
+				first_in_l = g_utf8_get_char_validated (l->str, l->len);
+				if (!g_unichar_isspace (first_in_l)) 
+					l = g_string_prepend (l, " ");
+				l = g_string_prepend (l, forced_wrap_append);
+			}
+			g_free (forced_wrap_append);
+			forced_wrap_append = NULL;
+		} else {
+			l = get_next_line (text, len, iter);
+			iter = iter + l->len + 1;
+			indent = get_indent_level (l->str);
+			unquote_line (l, quote_symbol);
+		}
 
 		if (remaining->len) {
 			if (l->len && indent == rem_indent) {
@@ -978,8 +1057,14 @@ modest_text_utils_quote_body (GString *output, const gchar *text,
 						get_breakpoint (remaining->str,
 								rem_indent,
 								limit);
-					append_quoted (output, quote_symbol, rem_indent,
-						       remaining, breakpoint);
+					if (breakpoint < remaining->len) {
+					        g_free (forced_wrap_append);
+						forced_wrap_append = g_strdup (remaining->str + breakpoint);
+					} else {
+						if (!forced_wrap_append)
+							append_quoted (output, quote_symbol, rem_indent,
+								       remaining, breakpoint);
+					}
 					g_string_erase (remaining, 0,
 							breakpoint);
 					remaining_first = g_utf8_get_char_validated (remaining->str, remaining->len);
@@ -998,9 +1083,13 @@ modest_text_utils_quote_body (GString *output, const gchar *text,
 			g_string_erase (remaining, 0, 1);
 		}
 		rem_indent = indent;
+		if (remaining->len > 0) {
+			g_free (forced_wrap_append);
+			forced_wrap_append = g_strdup (remaining->str);
+		}
 		append_quoted (output, quote_symbol, indent, l, breakpoint);
 		g_string_free (l, TRUE);
-	} while ((iter < text + len) || (remaining->str[0]));
+	} while ((iter < text + len) || (remaining->str[0]) || forced_wrap_append);
 
 	return output;
 }
@@ -1055,18 +1144,19 @@ modest_text_utils_quote_html (const gchar *text,
 {
 	GString *result_string;
 
-	result_string = 
+	result_string =
 		g_string_new ( \
 			      "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
 			      "<html>\n"				\
-			      "<body>\n<br/>\n");
+			      "<body>\n");
 
 	if (text || cite || signature) {
 		GString *quoted_text;
 		g_string_append (result_string, "<pre>\n");
 		if (signature) {
-			quote_html_add_to_gstring (result_string, MODEST_TEXT_UTILS_SIGNATURE_MARKER);
-			quote_html_add_to_gstring (result_string, signature);
+			gchar *colored_signature = modest_text_utils_create_colored_signature (signature);
+			g_string_append_printf (result_string, "%s<br/>", colored_signature);
+			g_free (colored_signature);
 		}
 		quote_html_add_to_gstring (result_string, cite);
 		quoted_text = g_string_new ("");
@@ -1719,7 +1809,7 @@ modest_text_utils_validate_recipient (const gchar *recipient, const gchar **inva
 			}
 		}
 		if (last_quote)
-			current = last_quote;
+			current = g_utf8_next_char (last_quote);
 	} else {
 		has_error = TRUE;
 		for (current = stripped ; *current != '\0'; current = g_utf8_next_char (current)) {
@@ -1943,6 +2033,20 @@ remove_quotes (gchar **quotes)
 	}
 }
 
+static void
+remove_extra_spaces (gchar *string)
+{
+	gchar *start;
+
+	start = string;
+	while (start && start[0] != '\0') {
+		if ((start[0] == ' ') && (start[1] == ' ')) {
+			g_strchug (start+1);
+		}
+		start++;
+	}
+}
+
 gchar *
 modest_text_utils_escape_mnemonics (const gchar *text)
 {
@@ -2054,7 +2158,7 @@ gchar *
 modest_text_utils_get_secure_header (const gchar *value,
 				     const gchar *header)
 {
-	const gint max_len = 128;
+	const gint max_len = 16384;
 	gchar *new_value = NULL;
 	gchar *needle = g_strrstr (value, header);
 
@@ -2084,3 +2188,140 @@ modest_text_utils_get_secure_header (const gchar *value,
 
 	return new_value;
 }
+
+static gboolean
+is_quoted (const char *start, const gchar *end)
+{
+	gchar *c;
+
+	c = (gchar *) start;
+	while (*c == ' ')
+		c = g_utf8_next_char (c);
+
+	if (*c == '\0' || *c != '\"')
+		return FALSE;
+
+	c = (gchar *) end;
+	while (*c == ' ' && c != start)
+		c = g_utf8_prev_char (c);
+
+	if (c == start || *c != '\"')
+		return FALSE;
+
+	return TRUE;
+}
+
+
+static void
+quote_name_part (GString **str, gchar **cur, gchar **start)
+{
+	gchar *blank;
+	gint str_len = *cur - *start;
+
+	while (**start == ' ') {
+		*start = g_utf8_next_char (*start);
+		str_len--;
+	}
+
+	blank = g_utf8_strrchr (*start, str_len, g_utf8_get_char (" "));
+	if (blank && (blank != *start)) {
+		if (is_quoted (*start, blank - 1)) {
+			*str = g_string_append_len (*str, *start, str_len);
+			*str = g_string_append (*str, ";");
+			*start = g_utf8_next_char (*cur);
+		} else {
+			*str = g_string_append_c (*str, '"');
+			*str = g_string_append_len (*str, *start, (blank - *start));
+			*str = g_string_append_c (*str, '"');
+			*str = g_string_append_len (*str, blank, (*cur - blank));
+			*str = g_string_append (*str, ";");
+			*start = g_utf8_next_char (*cur);
+		}
+	} else {
+		*str = g_string_append_len (*str, *start, str_len);
+		*str = g_string_append (*str, ";");
+		*start = g_utf8_next_char (*cur);
+	}
+}
+
+gchar *
+modest_text_utils_quote_names (const gchar *recipients)
+{
+	GString *str;
+	gchar *start, *cur;
+
+	str = g_string_new ("");
+	start = (gchar*) recipients;
+	cur = (gchar*) recipients;
+
+	for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
+		if (*cur == ',' || *cur == ';') {
+			if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")))
+				continue;
+			quote_name_part (&str, &cur, &start);
+		}
+	}
+
+	quote_name_part (&str, &cur, &start);
+
+	return g_string_free (str, FALSE);
+}
+
+/* Returns TRUE if there is no recipients in the text buffer. Note
+   that strings like " ; , " contain only separators and thus no
+   recipients */
+gboolean
+modest_text_utils_no_recipient (GtkTextBuffer *buffer)
+{
+	gboolean retval = TRUE;
+	gchar *text, *tmp;
+	GtkTextIter start, end;
+
+	if (gtk_text_buffer_get_char_count (buffer) == 0)
+		return TRUE;
+
+	gtk_text_buffer_get_start_iter (buffer, &start);
+	gtk_text_buffer_get_end_iter (buffer, &end);
+
+	text = g_strstrip (gtk_text_buffer_get_text (buffer, &start, &end, FALSE));
+	if (!g_strcmp0 (text, ""))
+		return TRUE;
+
+	tmp = text;
+	while (tmp && *tmp != '\0') {
+		if ((*tmp != ',') && (*tmp != ';') &&
+		    (*tmp != '\r') && (*tmp != '\n') &&
+		    (*tmp != ' ')) {
+			retval = FALSE;
+			break;
+		} else {
+			tmp++;
+		}
+	}
+	g_free (text);
+
+	return retval;
+}
+
+gchar *
+modest_text_utils_create_colored_signature (const gchar *signature)
+{
+	gchar *gray_color_markup = NULL, *retval;
+	GdkColor color;
+	GtkWidget *widget;
+
+	/* Get color from widgets */
+	widget = (GtkWidget *) modest_window_mgr_get_current_top (modest_runtime_get_window_mgr ());
+	if (widget && gtk_style_lookup_color (gtk_widget_get_style (widget), "SecondaryTextColor", &color))
+		gray_color_markup = modest_text_utils_get_color_string (&color);
+
+	retval = g_strdup_printf ("<br/>\n<font color=\"%s\">%s<br/>\n%s<br/>\n</font>",
+				  (gray_color_markup) ? gray_color_markup : "#babababababa",
+				  MODEST_TEXT_UTILS_SIGNATURE_MARKER,
+				  signature);
+
+	if (gray_color_markup)
+		g_free (gray_color_markup);
+
+	return retval;
+}