-/* modest-ui.c */
+/* Copyright (c) 2006, Nokia Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Nokia Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
-/* insert (c)/licensing information) */
-#include <gtk/gtk.h>
+#include <glib.h>
#include <string.h>
+#include <stdlib.h>
+#include <glib/gi18n.h>
+#include <regex.h>
+#include <modest-tny-platform-factory.h>
+#include <modest-text-utils.h>
+#include <modest-runtime.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif /*HAVE_CONFIG_H*/
+#endif /*HAVE_CONFIG_H */
+/* defines */
+#define FORWARD_STRING _("-----Forwarded Message-----")
+#define FROM_STRING _("From:")
+#define SENT_STRING _("Sent:")
+#define TO_STRING _("To:")
+#define SUBJECT_STRING _("Subject:")
+#define EMPTY_STRING ""
+
+/*
+ * we need these regexps to find URLs in plain text e-mails
+ */
+typedef struct _url_match_pattern_t url_match_pattern_t;
+struct _url_match_pattern_t {
+ gchar *regex;
+ regex_t *preg;
+ gchar *prefix;
+};
+
+typedef struct _url_match_t url_match_t;
+struct _url_match_t {
+ guint offset;
+ guint len;
+ const gchar* prefix;
+};
+
+#define MAIL_VIEWER_URL_MATCH_PATTERNS { \
+ { "(file|rtsp|http|ftp|https)://[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]+[-A-Za-z0-9_$%&=?/~#]",\
+ NULL, NULL },\
+ { "www\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
+ NULL, "http://" },\
+ { "ftp\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
+ NULL, "ftp://" },\
+ { "(voipto|callto|chatto|jabberto|xmpp):[-_a-z@0-9.\\+]+", \
+ NULL, NULL}, \
+ { "mailto:[-_a-z0-9.\\+]+@[-_a-z0-9.]+", \
+ NULL, NULL},\
+ { "[-_a-z0-9.\\+]+@[-_a-z0-9.]+",\
+ NULL, "mailto:"}\
+ }
/* private */
-static GString *
-get_next_line(GtkTextBuffer *b, GtkTextIter *iter);
+static gchar* cite (const time_t sent_date, const gchar *from);
+static void hyperlinkify_plain_text (GString *txt);
+static gint cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2);
+static void chk_partial_match (const url_match_t *match, guint* offset);
+static GSList* get_url_matches (GString *txt);
-static int
-get_indent_level(const char *l);
+static GString* get_next_line (const char *b, const gsize blen, const gchar * iter);
+static int get_indent_level (const char *l);
+static void unquote_line (GString * l);
+static void append_quoted (GString * buf, const int indent, const GString * str,
+ const int cutpoint);
+static int get_breakpoint_utf8 (const gchar * s, const gint indent, const gint limit);
+static int get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit);
+static int get_breakpoint (const gchar * s, const gint indent, const gint limit);
-static void
-unquote_line(GString *l);
+static gchar* modest_text_utils_quote_plain_text (const gchar *text,
+ const gchar *cite,
+ int limit);
-static void
-append_quoted(GString *buf, const int indent, const GString *str, const int cutpoint);
+static gchar* modest_text_utils_quote_html (const gchar *text,
+ const gchar *cite,
+ int limit);
-static int
-get_breakpoint_utf8(const gchar *s, const gint indent, const gint limit);
-static int
-get_breakpoint_ascii(const gchar *s, const gint indent, const gint limit);
+/* ******************************************************************* */
+/* ************************* PUBLIC FUNCTIONS ************************ */
+/* ******************************************************************* */
-static int
-get_breakpoint(const gchar *s, const gint indent, const gint limit);
+gchar *
+modest_text_utils_quote (const gchar *text,
+ const gchar *content_type,
+ const gchar *signature,
+ const gchar *from,
+ const time_t sent_date,
+ int limit)
+{
+ gchar *retval, *cited;
-static GString *
-get_next_line(GtkTextBuffer *b, GtkTextIter *iter)
+ g_return_val_if_fail (text, NULL);
+ g_return_val_if_fail (content_type, NULL);
+
+ cited = cite (sent_date, from);
+
+ if (content_type && strcmp (content_type, "text/html") == 0)
+ /* TODO: extract the <body> of the HTML and pass it to
+ the function */
+ retval = modest_text_utils_quote_html (text, cited, limit);
+ else
+ retval = modest_text_utils_quote_plain_text (text, cited, limit);
+
+ g_free (cited);
+
+ return retval;
+}
+
+
+gchar *
+modest_text_utils_cite (const gchar *text,
+ const gchar *content_type,
+ const gchar *signature,
+ const gchar *from,
+ time_t sent_date)
+{
+ gchar *tmp, *retval;
+ gchar *tmp_sig;
+
+ g_return_val_if_fail (text, NULL);
+ g_return_val_if_fail (content_type, NULL);
+
+ if (!signature)
+ tmp_sig = g_strdup ("");
+ else if (!strcmp(content_type, "text/html")) {
+ tmp_sig = modest_text_utils_convert_to_html_body(signature);
+ } else {
+ tmp_sig = g_strdup (signature);
+ }
+
+ tmp = cite (sent_date, from);
+ retval = g_strdup_printf ("%s%s%s\n", tmp_sig, tmp, text);
+ g_free (tmp_sig);
+ g_free (tmp);
+
+ return retval;
+}
+
+gchar *
+modest_text_utils_inline (const gchar *text,
+ const gchar *content_type,
+ const gchar *signature,
+ const gchar *from,
+ time_t sent_date,
+ const gchar *to,
+ const gchar *subject)
+{
+ gchar sent_str[101];
+ gchar *formatted_signature;
+ const gchar *plain_format = "%s%s\n%s %s\n%s %s\n%s %s\n%s %s\n\n%s";
+ const gchar *html_format = \
+ "%s%s<br>\n<table width=\"100%\" border=\"0\" cellspacing=\"2\" cellpadding=\"2\">\n" \
+ "<tr><td>%s</td><td>%s</td></tr>\n" \
+ "<tr><td>%s</td><td>%s</td></tr>\n" \
+ "<tr><td>%s</td><td>%s</td></tr>\n" \
+ "<tr><td>%s</td><td>%s</td></tr>\n" \
+ "<br><br>%s";
+ const gchar *format;
+
+ g_return_val_if_fail (text, NULL);
+ g_return_val_if_fail (content_type, NULL);
+ g_return_val_if_fail (text, NULL);
+
+ modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
+
+ if (!strcmp (content_type, "text/html"))
+ /* TODO: extract the <body> of the HTML and pass it to
+ the function */
+ format = html_format;
+ else
+ format = plain_format;
+
+ if (signature != NULL) {
+ if (!strcmp (content_type, "text/html")) {
+ formatted_signature = g_strconcat (signature, "<br/>", NULL);
+ } else {
+ formatted_signature = g_strconcat (signature, "\n", NULL);
+ }
+ } else {
+ formatted_signature = "";
+ }
+
+ return g_strdup_printf (format, formatted_signature,
+ FORWARD_STRING,
+ FROM_STRING, (from) ? from : EMPTY_STRING,
+ SENT_STRING, sent_str,
+ TO_STRING, (to) ? to : EMPTY_STRING,
+ SUBJECT_STRING, (subject) ? subject : EMPTY_STRING,
+ text);
+}
+
+/* just to prevent warnings:
+ * warning: `%x' yields only last 2 digits of year in some locales
+ */
+gsize
+modest_text_utils_strftime(char *s, gsize max, const char *fmt, time_t timet)
+{
+ struct tm tm;
+
+ /* does not work on old maemo glib:
+ * g_date_set_time_t (&date, timet);
+ */
+ localtime_r (&timet, &tm);
+
+ return strftime(s, max, fmt, &tm);
+}
+
+gchar *
+modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
{
- GtkTextIter iter2;
gchar *tmp;
+
+ g_return_val_if_fail (prefix, NULL);
- gtk_text_buffer_get_iter_at_line_offset(b,
- &iter2,
- gtk_text_iter_get_line(iter),
- gtk_text_iter_get_chars_in_line(iter) -1
- );
- tmp = gtk_text_buffer_get_text(b, &iter2, iter, FALSE);
- gtk_text_iter_forward_line(iter);
- return g_string_new(tmp);
+ if (!subject)
+ return g_strdup (prefix);
+
+ tmp = g_strchug (g_strdup (subject));
+
+ if (!strncmp (tmp, prefix, strlen (prefix))) {
+ return tmp;
+ } else {
+ g_free (tmp);
+ return g_strdup_printf ("%s %s", prefix, subject);
+ }
}
+gchar*
+modest_text_utils_remove_address (const gchar *address_list, const gchar *address)
+{
+ gchar *dup, *token, *ptr, *result;
+ GString *filtered_emails;
+
+ g_return_val_if_fail (address_list, NULL);
+
+ if (!address)
+ return g_strdup (address_list);
+
+ /* search for substring */
+ if (!strstr ((const char *) address_list, (const char *) address))
+ return g_strdup (address_list);
+
+ dup = g_strdup (address_list);
+ filtered_emails = g_string_new (NULL);
+
+ token = strtok_r (dup, ",", &ptr);
+
+ while (token != NULL) {
+ /* Add to list if not found */
+ if (!strstr ((const char *) token, (const char *) address)) {
+ if (filtered_emails->len == 0)
+ g_string_append_printf (filtered_emails, "%s", g_strstrip (token));
+ else
+ g_string_append_printf (filtered_emails, ",%s", g_strstrip (token));
+ }
+ token = strtok_r (NULL, ",", &ptr);
+ }
+ result = filtered_emails->str;
+
+ /* Clean */
+ g_free (dup);
+ g_string_free (filtered_emails, FALSE);
+
+ return result;
+}
+
+static void
+modest_text_utils_convert_buffer_to_html (GString *html, const gchar *data)
+{
+ guint i;
+ gboolean space_seen = FALSE;
+ gsize len;
+
+ len = strlen (data);
+
+ /* replace with special html chars where needed*/
+ for (i = 0; i != len; ++i) {
+ char kar = data[i];
+
+ if (space_seen && kar != ' ') {
+ g_string_append_c (html, ' ');
+ space_seen = FALSE;
+ }
+
+ switch (kar) {
+ case 0: break; /* ignore embedded \0s */
+ case '<' : g_string_append (html, "<"); break;
+ case '>' : g_string_append (html, ">"); break;
+ case '&' : g_string_append (html, "&"); break;
+ case '"' : g_string_append (html, """); break;
+ case '\'' : g_string_append (html, "'"); break;
+ case '\n' : g_string_append (html, "<br>\n"); break;
+ case '\t' : g_string_append (html, " "); break; /* note the space at the end*/
+ case ' ':
+ if (space_seen) { /* second space in a row */
+ g_string_append (html, "  ");
+ space_seen = FALSE;
+ } else
+ space_seen = TRUE;
+ break;
+ default:
+ g_string_append_c (html, kar);
+ }
+ }
+}
+
+gchar*
+modest_text_utils_convert_to_html (const gchar *data)
+{
+ GString *html;
+ gsize len;
+
+ if (!data)
+ return NULL;
+
+ len = strlen (data);
+ html = g_string_sized_new (1.5 * len); /* just a guess... */
+
+ g_string_append_printf (html,
+ "<html><head>"
+ "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf8\">"
+ "</head>"
+ "<body>");
+
+ modest_text_utils_convert_buffer_to_html (html, data);
+
+ g_string_append (html, "</body></html>");
+ hyperlinkify_plain_text (html);
+
+ return g_string_free (html, FALSE);
+}
+
+gchar *
+modest_text_utils_convert_to_html_body (const gchar *data)
+{
+ GString *html;
+ gsize len;
+
+ if (!data)
+ return NULL;
+
+ len = strlen (data);
+ html = g_string_sized_new (1.5 * len); /* just a guess... */
+
+ modest_text_utils_convert_buffer_to_html (html, data);
+
+ hyperlinkify_plain_text (html);
+
+ return g_string_free (html, FALSE);
+}
+
+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;
+
+ g_return_if_fail (start_indexes != NULL);
+ g_return_if_fail (end_indexes != NULL);
+
+ start = (gchar *) addresses;
+ current = start;
+ last_blank = start;
+
+ while (*current != '\0') {
+ if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
+ start = g_utf8_next_char (start);
+ start_offset++;
+ last_blank = current;
+ } else if ((*current == ',')||(*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);
+ 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 ++;
+ }
+ }
+
+ 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);
+ }
+
+ *start_indexes = g_slist_reverse (*start_indexes);
+ *end_indexes = g_slist_reverse (*end_indexes);
+
+ return;
+}
+
+GSList *
+modest_text_utils_split_addresses_list (const gchar *addresses)
+{
+ gchar *current, *start, *last_blank;
+ GSList *result = NULL;
+
+ start = (gchar *) addresses;
+ current = start;
+ last_blank = start;
+
+ while (*current != '\0') {
+ if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
+ start = g_utf8_next_char (start);
+ last_blank = current;
+ } else if ((*current == ',')||(*current == ';')) {
+ gchar *new_address = NULL;
+ new_address = g_strndup (start, current - last_blank);
+ result = g_slist_prepend (result, new_address);
+ start = g_utf8_next_char (current);
+ last_blank = start;
+ } else if (*current == '\"') {
+ if (current == start) {
+ current = g_utf8_next_char (current);
+ start = g_utf8_next_char (start);
+ }
+ while ((*current != '\"')&&(*current != '\0'))
+ current = g_utf8_next_char (current);
+ }
+
+ current = g_utf8_next_char (current);
+ }
+
+ if (start != current) {
+ gchar *new_address = NULL;
+ new_address = g_strndup (start, current - last_blank);
+ result = g_slist_prepend (result, new_address);
+ }
+
+ result = g_slist_reverse (result);
+ return result;
+
+}
+
+void
+modest_text_utils_address_range_at_position (const gchar *recipients_list,
+ gint position,
+ gint *start,
+ gint *end)
+{
+ gchar *current = NULL;
+ gint range_start = 0;
+ gint range_end = 0;
+ gint index;
+ gboolean is_quoted = FALSE;
+
+ index = 0;
+ for (current = (gchar *) recipients_list; *current != '\0'; current = g_utf8_find_next_char (current, NULL)) {
+ gunichar c = g_utf8_get_char (current);
+
+ if ((c == ',') && (!is_quoted)) {
+ if (index < position) {
+ range_start = index + 1;
+ } else {
+ break;
+ }
+ } else if (c == '\"') {
+ is_quoted = !is_quoted;
+ } else if ((c == ' ') &&(range_start == index)) {
+ range_start ++;
+ }
+ index ++;
+ range_end = index;
+ }
+
+ if (start)
+ *start = range_start;
+ if (end)
+ *end = range_end;
+}
+
+
+/* ******************************************************************* */
+/* ************************* UTILIY FUNCTIONS ************************ */
+/* ******************************************************************* */
+
+static GString *
+get_next_line (const gchar * b, const gsize blen, const gchar * iter)
+{
+ GString *gs;
+ const gchar *i0;
+
+ if (iter > b + blen)
+ return g_string_new("");
+
+ i0 = iter;
+ while (iter[0]) {
+ if (iter[0] == '\n')
+ break;
+ iter++;
+ }
+ gs = g_string_new_len (i0, iter - i0);
+ return gs;
+}
static int
-get_indent_level(const char *l)
+get_indent_level (const char *l)
{
int indent = 0;
+
while (l[0]) {
if (l[0] == '>') {
indent++;
break;
}
l++;
-
+
+ }
+
+ /* if we hit the signature marker "-- ", we return -(indent + 1). This
+ * stops reformatting.
+ */
+ if (strcmp (l, "-- ") == 0) {
+ return -1 - indent;
+ } else {
+ return indent;
}
- return indent;
}
static void
-unquote_line(GString *l) {
- GString *r;
+unquote_line (GString * l)
+{
gchar *p;
-
+
p = l->str;
while (p[0]) {
if (p[0] == '>') {
}
static void
-append_quoted(GString *buf, const int indent, const GString *str, const int cutpoint) {
+append_quoted (GString * buf, int indent, const GString * str,
+ const int cutpoint)
+{
int i;
-
- for (i=0; i<=indent; i++) {
- g_string_append(buf, "> ");
+
+ indent = indent < 0 ? abs (indent) - 1 : indent;
+ for (i = 0; i <= indent; i++) {
+ g_string_append (buf, "> ");
}
if (cutpoint > 0) {
- g_string_append_len(buf, str->str, cutpoint);
+ g_string_append_len (buf, str->str, cutpoint);
} else {
- g_string_append(buf, str->str);
+ g_string_append (buf, str->str);
}
- g_string_append(buf, "\n");
+ g_string_append (buf, "\n");
}
static int
-get_breakpoint_utf8(const gchar *s, const gint indent, const gint limit) {
+get_breakpoint_utf8 (const gchar * s, gint indent, const gint limit)
+{
gint index = 0;
const gchar *pos, *last;
gunichar *uni;
-
+
+ indent = indent < 0 ? abs (indent) - 1 : indent;
+
last = NULL;
pos = s;
- uni = g_utf8_to_ucs4_fast(s, -1, NULL);
+ uni = g_utf8_to_ucs4_fast (s, -1, NULL);
while (pos[0]) {
if ((index + 2 * indent > limit) && last) {
- g_free(uni);
+ g_free (uni);
return last - s;
}
- if (g_unichar_isspace(uni[index])) {
+ if (g_unichar_isspace (uni[index])) {
last = pos;
}
- pos = g_utf8_next_char(pos);
+ pos = g_utf8_next_char (pos);
index++;
}
- g_free(uni);
- return index;
+ g_free (uni);
+ return strlen (s);
}
static int
-get_breakpoint_ascii(const gchar *s, const gint indent, const gint limit) {
+get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit)
+{
gint i, last;
-
- last = strlen(s);
+
+ last = strlen (s);
if (last + 2 * indent < limit)
return last;
-
- for ( i=strlen(s) ; i>0; i-- ) {
+
+ for (i = strlen (s); i > 0; i--) {
if (s[i] == ' ') {
if (i + 2 * indent <= limit) {
return i;
}
static int
-get_breakpoint(const gchar *s, const gint indent, const gint limit) {
-
- if (g_utf8_validate(s, -1, NULL)) {
- return get_breakpoint_utf8(s, indent, limit);
- } else { /* assume ASCII */
- g_warning("invalid UTF-8 in msg");
- return get_breakpoint_ascii(s, indent, limit);
+get_breakpoint (const gchar * s, const gint indent, const gint limit)
+{
+
+ if (g_utf8_validate (s, -1, NULL)) {
+ return get_breakpoint_utf8 (s, indent, limit);
+ } else { /* assume ASCII */
+ //g_warning("invalid UTF-8 in msg");
+ return get_breakpoint_ascii (s, indent, limit);
}
-}
+}
-gchar *
-modest_text_utils_quote(GtkTextBuffer *buf, const gchar *from, const time_t sent_date, const int limit)
+static gchar *
+cite (const time_t sent_date, const gchar *from)
{
- GtkTextIter iter;
- gint indent, breakpoint, rem_indent;
gchar sent_str[101];
- GString *q, *l, *remaining; /* quoted msg, line */
-
/* format sent_date */
- strftime(sent_str, 100, "%c", localtime(&sent_date));
- q = g_string_new("");
- g_string_printf(q, "On %s, %s wrote:\n", sent_str, from);
-
+ modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
+ return g_strdup_printf (N_("On %s, %s wrote:\n"),
+ sent_str,
+ (from) ? from : EMPTY_STRING);
+}
+
+
+static gchar *
+modest_text_utils_quote_plain_text (const gchar *text,
+ const gchar *cite,
+ int limit)
+{
+ const gchar *iter;
+ gint indent, breakpoint, rem_indent = 0;
+ GString *q, *l, *remaining;
+ gsize len;
+
/* remaining will store the rest of the line if we have to break it */
- remaining = g_string_new("");
- gtk_text_buffer_get_iter_at_line(buf, &iter, 0);
+ q = g_string_new (cite);
+ remaining = g_string_new ("");
+
+ iter = text;
+ len = strlen(text);
do {
- l = get_next_line(buf, &iter);
- indent = get_indent_level(l->str);
- unquote_line(l);
-
+ l = get_next_line (text, len, iter);
+ iter = iter + l->len + 1;
+ indent = get_indent_level (l->str);
+ unquote_line (l);
+
if (remaining->len) {
if (l->len && indent == rem_indent) {
- g_string_prepend(l, " ");
- g_string_prepend(l, remaining->str);
+ g_string_prepend (l, " ");
+ g_string_prepend (l, remaining->str);
} else {
do {
- breakpoint = get_breakpoint(remaining->str, rem_indent, limit);
- append_quoted(q, rem_indent, remaining, breakpoint);
- g_string_erase(remaining, 0, breakpoint);
+ breakpoint =
+ get_breakpoint (remaining->str,
+ rem_indent,
+ limit);
+ append_quoted (q, rem_indent,
+ remaining, breakpoint);
+ g_string_erase (remaining, 0,
+ breakpoint);
if (remaining->str[0] == ' ') {
- g_string_erase(remaining, 0, 1);
- }
+ g_string_erase (remaining, 0,
+ 1);
+ }
} while (remaining->len);
}
}
- g_string_free(remaining, TRUE);
- breakpoint = get_breakpoint(l->str, indent, limit);
- remaining = g_string_new(l->str + breakpoint);
+ g_string_free (remaining, TRUE);
+ breakpoint = get_breakpoint (l->str, indent, limit);
+ remaining = g_string_new (l->str + breakpoint);
if (remaining->str[0] == ' ') {
- g_string_erase(remaining, 0, 1);
+ g_string_erase (remaining, 0, 1);
}
rem_indent = indent;
- append_quoted(q, indent, l, breakpoint);
- g_string_free(l, TRUE);
- } while (!gtk_text_iter_is_end(&iter));
+ append_quoted (q, indent, l, breakpoint);
+ g_string_free (l, TRUE);
+ } while ((iter < text + len) || (remaining->str[0]));
+
+ return g_string_free (q, FALSE);
+}
+
+static gchar*
+modest_text_utils_quote_html (const gchar *text,
+ const gchar *cite,
+ int limit)
+{
+ const gchar *format = \
+ "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
+ "<html>\n" \
+ "<body>\n" \
+ "%s" \
+ "<blockquote type=\"cite\">\n%s\n</blockquote>\n" \
+ "</body>\n" \
+ "</html>\n";
+
+ return g_strdup_printf (format, cite, text);
+}
+
+static gint
+cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2)
+{
+ return match2->offset - match1->offset;
+}
+
+
+
+/*
+ * check if the match is inside an existing match... */
+static void
+chk_partial_match (const url_match_t *match, guint* offset)
+{
+ if (*offset >= match->offset && *offset < match->offset + match->len)
+ *offset = -1;
+}
+
+static GSList*
+get_url_matches (GString *txt)
+{
+ regmatch_t rm;
+ guint rv, i, offset = 0;
+ GSList *match_list = NULL;
+
+ static url_match_pattern_t patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
+ const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
+
+ /* initalize the regexps */
+ for (i = 0; i != pattern_num; ++i) {
+ patterns[i].preg = g_slice_new0 (regex_t);
+
+ /* this should not happen */
+ g_return_val_if_fail (regcomp (patterns[i].preg, patterns[i].regex,
+ REG_ICASE|REG_EXTENDED|REG_NEWLINE) == 0, NULL);
+ }
+ /* find all the matches */
+ for (i = 0; i != pattern_num; ++i) {
+ offset = 0;
+ while (1) {
+ int test_offset;
+ if ((rv = regexec (patterns[i].preg, txt->str + offset, 1, &rm, 0)) != 0) {
+ g_return_val_if_fail (rv == REG_NOMATCH, NULL); /* this should not happen */
+ break; /* try next regexp */
+ }
+ if (rm.rm_so == -1)
+ break;
+
+ /* FIXME: optimize this */
+ /* to avoid partial matches on something that was already found... */
+ /* check_partial_match will put -1 in the data ptr if that is the case */
+ test_offset = offset + rm.rm_so;
+ g_slist_foreach (match_list, (GFunc)chk_partial_match, &test_offset);
+
+ /* make a list of our matches (<offset, len, prefix> tupels)*/
+ if (test_offset != -1) {
+ url_match_t *match = g_slice_new (url_match_t);
+ match->offset = offset + rm.rm_so;
+ match->len = rm.rm_eo - rm.rm_so;
+ match->prefix = patterns[i].prefix;
+ match_list = g_slist_prepend (match_list, match);
+ }
+ offset += rm.rm_eo;
+ }
+ }
+
+ for (i = 0; i != pattern_num; ++i) {
+ regfree (patterns[i].preg);
+ g_slice_free (regex_t, patterns[i].preg);
+ } /* don't free patterns itself -- it's static */
+
+ /* now sort the list, so the matches are in reverse order of occurence.
+ * that way, we can do the replacements starting from the end, so we don't need
+ * to recalculate the offsets
+ */
+ match_list = g_slist_sort (match_list,
+ (GCompareFunc)cmp_offsets_reverse);
+ return match_list;
+}
+
+
+
+static void
+hyperlinkify_plain_text (GString *txt)
+{
+ GSList *cursor;
+ GSList *match_list = get_url_matches (txt);
+
+ /* we will work backwards, so the offsets stay valid */
+ for (cursor = match_list; cursor; cursor = cursor->next) {
+
+ url_match_t *match = (url_match_t*) cursor->data;
+ gchar *url = g_strndup (txt->str + match->offset, match->len);
+ gchar *repl = NULL; /* replacement */
+
+ /* the prefix is NULL: use the one that is already there */
+ repl = g_strdup_printf ("<a href=\"%s%s\">%s</a>",
+ match->prefix ? match->prefix : EMPTY_STRING,
+ url, url);
+
+ /* replace the old thing with our hyperlink
+ * replacement thing */
+ g_string_erase (txt, match->offset, match->len);
+ g_string_insert (txt, match->offset, repl);
+
+ g_free (url);
+ g_free (repl);
+
+ g_slice_free (url_match_t, match);
+ }
+
+ g_slist_free (match_list);
+}
+
+
+
+gchar*
+modest_text_utils_get_display_address (gchar *address)
+{
+ gchar *cursor;
+
+ if (!address)
+ return NULL;
- return g_string_free(q, FALSE);
+ g_return_val_if_fail (g_utf8_validate (address, -1, NULL), NULL);
+
+ g_strchug (address); /* remove leading whitespace */
+
+ /* <email@address> from display name */
+ cursor = g_strstr_len (address, strlen(address), "<");
+ if (cursor == address) /* there's nothing else? leave it */
+ return address;
+ if (cursor)
+ cursor[0]='\0';
+
+ /* remove (bla bla) from display name */
+ cursor = g_strstr_len (address, strlen(address), "(");
+ if (cursor == address) /* there's nothing else? leave it */
+ return address;
+ if (cursor)
+ cursor[0]='\0';
+
+ g_strchomp (address); /* remove trailing whitespace */
+
+ return address;
+}
+
+
+
+gint
+modest_text_utils_get_subject_prefix_len (const gchar *sub)
+{
+ gint i;
+ static const gchar* prefix[] = {
+ "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
+ };
+
+ if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
+ return 0;
+
+ i = 0;
+
+ while (prefix[i]) {
+ if (g_str_has_prefix(sub, prefix[i])) {
+ int prefix_len = strlen(prefix[i]);
+ if (sub[prefix_len] == ' ')
+ ++prefix_len; /* ignore space after prefix as well */
+ return prefix_len;
+ }
+ ++i;
+ }
+ return 0;
+}
+
+
+gint
+modest_text_utils_utf8_strcmp (const gchar* s1, const gchar *s2, gboolean insensitive)
+{
+ gint result = 0;
+ gchar *n1, *n2;
+
+ /* work even when s1 and/or s2 == NULL */
+ if (G_UNLIKELY(s1 == s2))
+ return 0;
+
+ /* if it's not case sensitive */
+ if (!insensitive)
+ return strcmp (s1 ? s1 : "", s2 ? s2 : "");
+
+ n1 = g_utf8_collate_key (s1 ? s1 : "", -1);
+ n2 = g_utf8_collate_key (s2 ? s2 : "", -1);
+
+ result = strcmp (n1, n2);
+
+ g_free (n1);
+ g_free (n2);
+
+ return result;
+}
+
+
+gchar*
+modest_text_utils_get_display_date (time_t date)
+{
+ time_t now;
+ const guint BUF_SIZE = 64;
+ gchar date_buf[BUF_SIZE];
+ gchar now_buf [BUF_SIZE];
+
+ now = time (NULL);
+
+ modest_text_utils_strftime (date_buf, BUF_SIZE, "%d/%m/%Y", date);
+ modest_text_utils_strftime (now_buf, BUF_SIZE, "%d/%m/%Y", now); /* today */
+/* modest_text_utils_strftime (date_buf, BUF_SIZE, "%x", date); */
+/* modest_text_utils_strftime (now_buf, BUF_SIZE, "%x", now); /\* today *\/ */
+
+ /* if this is today, get the time instead of the date */
+ if (strcmp (date_buf, now_buf) == 0)
+ modest_text_utils_strftime (date_buf, BUF_SIZE, "%H:%M %P", date);
+
+ return g_strdup(date_buf);
+}
+
+gboolean
+modest_text_utils_validate_email_address (const gchar *email_address)
+{
+ int count = 0;
+ const gchar *c = NULL, *domain = NULL;
+ static gchar *rfc822_specials = "()<>@,;:\\\"[]";
+
+ /* first we validate the name portion (name@domain) */
+ for (c = email_address; *c; c++) {
+ if (*c == '\"' &&
+ (c == email_address ||
+ *(c - 1) == '.' ||
+ *(c - 1) == '\"')) {
+ while (*++c) {
+ if (*c == '\"')
+ break;
+ if (*c == '\\' && (*++c == ' '))
+ continue;
+ if (*c <= ' ' || *c >= 127)
+ return FALSE;
+ }
+ if (!*c++)
+ return FALSE;
+ if (*c == '@')
+ break;
+ if (*c != '.')
+ return FALSE;
+ continue;
+ }
+ if (*c == '@')
+ break;
+ if (*c <= ' ' || *c >= 127)
+ return FALSE;
+ if (strchr(rfc822_specials, *c))
+ return FALSE;
+ }
+ if (c == email_address || *(c - 1) == '.')
+ return FALSE;
+
+ /* next we validate the domain portion (name@domain) */
+ if (!*(domain = ++c))
+ return FALSE;
+ do {
+ if (*c == '.') {
+ if (c == domain || *(c - 1) == '.')
+ return FALSE;
+ count++;
+ }
+ if (*c <= ' ' || *c >= 127)
+ return FALSE;
+ if (strchr(rfc822_specials, *c))
+ return FALSE;
+ } while (*++c);
+
+ return (count >= 1) ? TRUE : FALSE;
+}
+
+gboolean
+modest_text_utils_validate_recipient (const gchar *recipient)
+{
+ gchar *stripped, *current;
+ gchar *right_part;
+ gboolean has_error = FALSE;
+
+ if (modest_text_utils_validate_email_address (recipient))
+ return TRUE;
+ stripped = g_strdup (recipient);
+ stripped = g_strstrip (stripped);
+ current = stripped;
+
+ if (*current == '\0') {
+ g_free (stripped);
+ return FALSE;
+ }
+
+ /* quoted string */
+ if (*current == '\"') {
+ current = g_utf8_next_char (current);
+ has_error = TRUE;
+ for (; *current != '\0'; current = g_utf8_next_char (current)) {
+ if (*current == '\\') {
+ /* TODO: This causes a warning, which breaks the build,
+ * because a gchar cannot be < 0.
+ * murrayc.
+ if (current[1] <0) {
+ has_error = TRUE;
+ break;
+ }
+ */
+ } else if (*current == '\"') {
+ has_error = FALSE;
+ current = g_utf8_next_char (current);
+ break;
+ }
+ }
+ } else {
+ has_error = TRUE;
+ for (current = stripped ; *current != '\0'; current = g_utf8_next_char (current)) {
+ if (*current == '<') {
+ has_error = FALSE;
+ break;
+ }
+ }
+ }
+
+ if (has_error) {
+ g_free (stripped);
+ return FALSE;
+ }
+
+ right_part = g_strdup (current);
+ g_free (stripped);
+ right_part = g_strstrip (right_part);
+
+ if (g_str_has_prefix (right_part, "<") &&
+ g_str_has_suffix (right_part, ">")) {
+ gchar *address;
+ gboolean valid;
+
+ address = g_strndup (right_part+1, strlen (right_part) - 2);
+ g_free (right_part);
+ valid = modest_text_utils_validate_email_address (address);
+ g_free (address);
+ return valid;
+ } else {
+ g_free (right_part);
+ return FALSE;
+ }
+}
+
+
+gchar *
+modest_text_utils_get_display_size (guint64 size)
+{
+ const guint KB=1024;
+ const guint MB=1024 * KB;
+ const guint GB=1024 * MB;
+
+ if (size == 0)
+ return g_strdup_printf(_FM("sfil_li_size_kb"), 0);
+ if (0 < size && size < KB)
+ return g_strdup_printf (_FM("sfil_li_size_kb"), 1);
+ else if (KB <= size && size < 100 * KB)
+ return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), size / KB);
+ else if (100*KB <= size && size < MB)
+ return g_strdup_printf (_FM("sfil_li_size_100kb_1mb"), (float) size / MB);
+ else if (MB <= size && size < 10*MB)
+ return g_strdup_printf (_FM("sfil_li_size_1mb_10mb"), (float) size / MB);
+ else if (10*MB <= size && size < GB)
+ return g_strdup_printf (_FM("sfil_li_size_10mb_1gb"), size / MB);
+ else
+ return g_strdup_printf (_FM("sfil_li_size_1gb_or_greater"), (float) size / GB);
}
projects / modest / blobdiff