*/
-/* modest-ui.c */
-
-#include <gtk/gtk.h>
+#include <glib.h>
#include <string.h>
#include <stdlib.h>
-
-#include "modest-text-utils.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 */
+/* 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 (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 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 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 gchar* modest_text_utils_quote_plain_text (const gchar *text,
+ const gchar *cite,
+ int limit);
+
+static gchar* modest_text_utils_quote_html (const gchar *text,
+ const gchar *cite,
+ int limit);
+
+
+/* ******************************************************************* */
+/* ************************* PUBLIC FUNCTIONS ************************ */
+/* ******************************************************************* */
+
+gchar *
+modest_text_utils_quote (const gchar *text,
+ const gchar *content_type,
+ const gchar *from,
+ const time_t sent_date,
+ int limit)
+{
+ gchar *retval, *cited;
+
+ 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 *from,
+ time_t sent_date)
+{
+ gchar *tmp, *retval;
+
+ g_return_val_if_fail (text, NULL);
+ g_return_val_if_fail (content_type, NULL);
+
+ tmp = cite (sent_date, from);
+ retval = g_strdup_printf ("%s%s\n", tmp, text);
+ g_free (tmp);
+
+ return retval;
+}
+
+gchar *
+modest_text_utils_inline (const gchar *text,
+ const gchar *content_type,
+ const gchar *from,
+ time_t sent_date,
+ const gchar *to,
+ const gchar *subject)
+{
+ gchar sent_str[101];
+ const gchar *plain_format = "%s\n%s %s\n%s %s\n%s %s\n%s %s\n\n%s";
+ const gchar *html_format = \
+ "%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;
+
+ return g_strdup_printf (format,
+ 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)
+{
+ static GDate date;
+
+ /* FIXME: deprecated in newer glib versions */
+ g_date_set_time (&date, (GTime) timet);
+ return g_date_strftime (s, max, fmt, (const GDate*) &date);
+}
+
+gchar *
+modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
+{
+ gchar *tmp;
+
+ g_return_val_if_fail (prefix, NULL);
+
+ 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;
+}
+
+gchar*
+modest_text_utils_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);
+}
+
+/* ******************************************************************* */
+/* ************************* UTILIY FUNCTIONS ************************ */
+/* ******************************************************************* */
static GString *
get_next_line (const gchar * b, const gsize blen, const gchar * iter)
}
}
+static gchar *
+cite (const time_t sent_date, const gchar *from)
+{
+ gchar sent_str[101];
-
-/* just to prevent warnings:
- * warning: `%x' yields only last 2 digits of year in some locales
- */
-static size_t
-my_strftime(char *s, size_t max, const char *fmt, const
- struct tm *tm) {
- return strftime(s, max, fmt, tm);
+ /* format sent_date */
+ 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);
}
-gchar *
-modest_text_utils_quote (const gchar * to_quote, const gchar * from,
- const time_t sent_date, const int limit)
+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;
- gchar sent_str[101];
GString *q, *l, *remaining;
gsize len;
- /* format sent_date */
- my_strftime (sent_str, 100, "%c", localtime (&sent_date));
- q = g_string_new ("");
- g_string_printf (q, "On %s, %s wrote:\n", sent_str, from);
-
/* remaining will store the rest of the line if we have to break it */
+ q = g_string_new (cite);
remaining = g_string_new ("");
- iter = to_quote;
- len = strlen(to_quote);
+ iter = text;
+ len = strlen(text);
do {
- l = get_next_line (to_quote, len, iter);
+ l = get_next_line (text, len, iter);
iter = iter + l->len + 1;
indent = get_indent_level (l->str);
unquote_line (l);
} else {
do {
breakpoint =
- get_breakpoint (remaining-> str,
+ get_breakpoint (remaining->str,
rem_indent,
limit);
append_quoted (q, rem_indent,
rem_indent = indent;
append_quoted (q, indent, l, breakpoint);
g_string_free (l, TRUE);
- } while ((iter < to_quote + len) || (remaining->str[0]));
+ } 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;
+
+ 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, "%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, _("%X"), date);
+
+ return g_strdup(date_buf);
+}
+
+gboolean
+modest_text_utils_validate_email_address (const gchar *email_address)
+{
+ int count = 0;
+ const gchar *c, *domain;
+ 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;
+}
+
+
+
+
+gchar *
+modest_text_utils_get_display_size (guint size)
+{
+ const guint KB=1024;
+ const guint MB=1024 * KB;
+ const guint GB=1024 * MB;
+ const guint TB=1024 * GB;
+
+ if (size < KB)
+ return g_strdup_printf (_("%0.1f Kb"), (double)size / KB);
+ else if (size < MB)
+ return g_strdup_printf (_("%d Kb"), size / KB);
+ else if (size < GB)
+ return g_strdup_printf (_("%d Mb"), size / MB);
+ else if (size < TB)
+ return g_strdup_printf (_("%d Gb"), size/ GB);
+ else
+ return g_strdup_printf (_("Very big"));
+}
projects / modest / blobdiff