#include <tny-simple-list.h>
#include <modest-tny-msg-actions.h>
+#include <modest-text-utils.h>
#include "modest-msg-view.h"
#include "modest-tny-stream-gtkhtml.h"
static void modest_msg_view_init (ModestMsgView *obj);
static void modest_msg_view_finalize (GObject *obj);
-
-static GSList* get_url_matches (GString *txt);
static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
ModestMsgView *msg_view);
static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
-/*
- * we need these regexps to find URLs in plain text e-mails
- */
-typedef struct _UrlMatchPattern UrlMatchPattern;
-struct _UrlMatchPattern {
- gchar *regex;
- regex_t *preg;
- gchar *prefix;
-};
-
#define ATT_PREFIX "att:"
-#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:"}\
- }
-
-
/* list my signals */
enum {
LINK_CLICKED_SIGNAL,
}
-typedef struct {
- guint offset;
- guint len;
- const gchar* prefix;
-} url_match_t;
-
-
-
/* render the attachments as hyperlinks in html */
static gchar*
attachments_as_html (ModestMsgView *self, TnyMsg *msg)
-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 : "", 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_free (cursor->data);
- }
-
- g_slist_free (match_list);
-}
-
-
-
-static gchar *
-convert_to_html (const gchar *data)
-{
- guint i;
- gboolean first_space = TRUE;
- GString *html;
- gsize len;
-
- if (!data)
- return NULL;
-
- len = strlen (data);
- html = g_string_sized_new (len + 100); /* just a guess... */
-
- g_string_append_printf (html,
- "<html>"
- "<head>"
- "<meta http-equiv=\"content-type\""
- " content=\"text/html; charset=utf8\">"
- "</head>"
- "<body><tt>");
-
- /* replace with special html chars where needed*/
- for (i = 0; i != len; ++i) {
- char kar = data[i];
- 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 '\n': g_string_append (html, "<br>\n"); break;
- default:
- if (kar == ' ') {
- g_string_append (html, first_space ? " " : " ");
- first_space = FALSE;
- } else if (kar == '\t')
- g_string_append (html, " ");
- else {
- int charnum = 0;
- first_space = TRUE;
- /* optimization trick: accumulate 'normal' chars, then copy */
- do {
- kar = data [++charnum + i];
-
- } while ((i + charnum < len) &&
- (kar > '>' || (kar != '<' && kar != '>'
- && kar != '&' && kar != ' '
- && kar != '\n' && kar != '\t')));
- g_string_append_len (html, &data[i], charnum);
- i += (charnum - 1);
- }
- }
- }
-
- g_string_append (html, "</tt></body></html>");
- hyperlinkify_plain_text (html);
-
- return g_string_free (html, FALSE);
-}
-
-
-
-
-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 UrlMatchPattern patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
- const size_t pattern_num = sizeof(patterns)/sizeof(UrlMatchPattern);
-
- /* initalize the regexps */
- for (i = 0; i != pattern_num; ++i) {
- patterns[i].preg = g_new0 (regex_t,1);
- g_assert(regcomp (patterns[i].preg, patterns[i].regex,
- REG_ICASE|REG_EXTENDED|REG_NEWLINE) == 0);
- }
- /* 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_assert (rv == REG_NOMATCH); /* 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_new (url_match_t,1);
- 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_free (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 gboolean
set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
gtk_text_buffer_get_bounds (buf, &begin, &end);
txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
if (txt) {
- gchar *html = convert_to_html (txt);
+ gchar *html = modest_text_utils_convert_to_html (txt);
tny_stream_write (gtkhtml_stream, html, strlen(html));
tny_stream_reset (gtkhtml_stream);
g_free (txt);
projects / modest / blobdiff