+++ /dev/null
-/* Copyright (c) 2006, Nokia Corporation
- * All rights reserved.
- *
- */
-
-
-#include <glib.h>
-#include <string.h>
-#include <stdlib.h>
-#include <glib/gi18n.h>
-#include <regex.h>
-#include <modest-text-utils.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 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;
-
- /* does not work on old maemo glib:
- * g_date_set_time_t (&date, timet);
- */
- 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);
-}
-
-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 == ','))) {
- start++;
- last_blank = current;
- } else if (*current == ',') {
- gchar *new_address = NULL;
- new_address = g_strndup (start, current - last_blank);
- result = g_slist_prepend (result, new_address);
- start = current + 1;
- last_blank = start;
- } else if (*current == '\"') {
- if (current == start) {
- current++;
- start++;
- }
- while ((*current != '\"')&&(*current != '\0'))
- current++;
- }
-
- 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)
-{
- int indent = 0;
-
- while (l[0]) {
- if (l[0] == '>') {
- indent++;
- if (l[1] == ' ') {
- l++;
- }
- } else {
- 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;
- }
-}
-
-static void
-unquote_line (GString * l)
-{
- gchar *p;
-
- p = l->str;
- while (p[0]) {
- if (p[0] == '>') {
- if (p[1] == ' ') {
- p++;
- }
- } else {
- break;
- }
- p++;
- }
- g_string_erase (l, 0, p - l->str);
-}
-
-static void
-append_quoted (GString * buf, int indent, const GString * str,
- const int cutpoint)
-{
- int i;
-
- 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);
- } else {
- g_string_append (buf, str->str);
- }
- g_string_append (buf, "\n");
-}
-
-static int
-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);
- while (pos[0]) {
- if ((index + 2 * indent > limit) && last) {
- g_free (uni);
- return last - s;
- }
- if (g_unichar_isspace (uni[index])) {
- last = pos;
- }
- pos = g_utf8_next_char (pos);
- index++;
- }
- g_free (uni);
- return strlen (s);
-}
-
-static int
-get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit)
-{
- gint i, last;
-
- last = strlen (s);
- if (last + 2 * indent < limit)
- return last;
-
- for (i = strlen (s); i > 0; i--) {
- if (s[i] == ' ') {
- if (i + 2 * indent <= limit) {
- return i;
- } else {
- last = i;
- }
- }
- }
- return last;
-}
-
-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);
- }
-}
-
-static gchar *
-cite (const time_t sent_date, const gchar *from)
-{
- gchar sent_str[101];
-
- /* 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);
-}
-
-
-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 */
- q = g_string_new (cite);
- remaining = g_string_new ("");
-
- iter = text;
- len = strlen(text);
- do {
- 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);
- } else {
- do {
- 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);
- }
- } while (remaining->len);
- }
- }
- 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);
- }
- rem_indent = indent;
- 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;
-
- 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 = 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;
-}
-
-
-
-
-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"));
-}
+++ /dev/null
-/* 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.
- */
-
-
-/* modest-text-utils.h */
-
-#ifndef __MODEST_TEXT_UTILS_H__
-#define __MODEST_TEXT_UTILS_H__
-
-#include <time.h>
-#include <glib.h>
-
-/**
- * modest_text_utils_derived_subject:
- * @subject: a string which contains the original subject
- * @prefix: the prefix for the new subject (such as 'Re:' or 'Fwd:'),
- * must not be NULL
- *
- * create a 'derived' subject line for eg. replies and forwards
- *
- * Returns: a newly allocated string containing the resulting subject
- * subject == NULL, then @prefix " " will be returned
- */
-gchar* modest_text_utils_derived_subject (const gchar *subject,
- const gchar* prefix);
-
-
-/**
- * modest_text_utils_quote:
- * @text: a non-NULL string which contains the message to quote
- * @from: a non-NULL sender of the original message
- * @content_type: the non-NULL content type for the quoting, e.g. "text/html"
- * @sent_date: sent date/time of the original message
- * @limit: specifies the maximum characters per line in the quoted text
- *
- * quote an existing message
- *
- * Returns: a newly allocated string containing the quoted message
- */
-gchar* modest_text_utils_quote (const gchar *text,
- const gchar *content_type,
- const gchar *from,
- const time_t sent_date,
- int limit);
-
-
-/**
- * modest_text_utils_cited_text:
- * @from: sender of the message
- * @sent_date: the sent date of the original message
- * @text: the text of the original message
- *
- * cite the text in a message
- *
- * Returns: a newly allocated string containing the cited text
- */
-gchar* modest_text_utils_cite (const gchar *text,
- const gchar *content_type,
- const gchar *from,
- time_t sent_date);
-
-/**
- * modest_text_utils_inlined_text
- * @from: the non-NULL sender of the original message
- * @sent_date: sent date/time of the original message
- * @to:
- * @subject:
- * @text:
- *
- * creates a new string with the "Original message" text prepended to
- * the text passed as argument and some data of the header
- *
- * Returns: a newly allocated string containing the quoted message
- */
-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);
-
-/**
- * modest_text_utils_remove_address
- * @address_list: none-NULL string with a comma-separated list of email addresses
- * @address: an specific e-mail address
- *
- * remove a specific address from a list of email addresses; if @address
- * is NULL, returns an unchanged @address_list
- *
- * Returns: a newly allocated string containing the new list, or NULL
- * in case of error or the original @address_list was NULL
- */
-gchar* modest_text_utils_remove_address (const gchar *address_list,
- const gchar *address);
-
-/**
- * modest_text_utils_address_range_at_position:
- * @address_list: utf8 string containing a list of addresses
- * @position: a gint
- * @start: a gint pointer
- * @end: a gint pointer
- *
- * Finds the start and end positions of the address at @position,
- * in @recipients_list, a list of addresses in the format of a
- * recipient list in email. It stores the results in @start and
- * @end
- */
-void modest_text_utils_address_range_at_position (const gchar *recipients_list,
- gint position,
- gint *start,
- gint *end);
-
-
-/**
- * modest_text_utils_convert_to_html:
- * @txt: a string which contains the message to quote
- *
- * convert plain text (utf8) into html
- *
- * Returns: a newly allocated string containing the html
- */
-gchar* modest_text_utils_convert_to_html (const gchar *txt);
-
-
-/**
- * modest_text_utils_strftime:
- * @s:
- * @max:
- * @fmt:
- * @timet:
- *
- * this is just an alias for strftime(3), so we can use that without
- * getting warning from gcc
- *
- * Returns: a formatted string of max length @max in @s
- */
-size_t modest_text_utils_strftime(char *s, size_t max, const char *fmt, time_t timet);
-
-
-
-/**
- * modest_text_utils_get_display_addres:
- * @address: original address (UTF8 string)
- *
- * make a 'display address' from an address:
- * "Foo Bar <foo@bar.cx> (Bla)" --> "Foo Bar"
- * ie. removes "<...>" and "(...)" parts
- * the change is in-place; removes leading/trailing whitespace
- *
- * Returns: the new address. The string is *not* newly allocated.
- * NULL in case of error
- */
-gchar* modest_text_utils_get_display_address (gchar *address);
-
-
-/**
- * modest_text_utils_get_subject_prefix_len:
- * @subject: original subject (UTF8 string)
- *
- * determine the length of the "Re:/RE:/Fwd:" prefix in an e-mail address
- *
- * Returns: the length of the prefix, or 0 if there is none
- */
-gint modest_text_utils_get_subject_prefix_len (const gchar *subject);
-
-
-/**
- * modest_text_utils_utf8_strcmp:
- * @s1: the first string
- * @s2: the second string
- * @insensitive: should the comparison be case-insensitive?
- *
- * a strcmp that is NULL-safe, can deal with UTF8 and case-insensitive comparison
- *
- * Returns: an integer less than, equal to, or greater than zero if s1 is found,
- * respectively, to be less than, to match, or be greater than s2.
- */
-gint modest_text_utils_utf8_strcmp (const gchar* s1, const gchar *s2, gboolean insensitive);
-
-
-
-/**
- * modest_text_utils_get_display_date:
- * @date: the date to display
- *
- * get a string representation for a date.
- *
- * Returns: the new display date, as a newly allocated string;
- * free with g_free
- */
-gchar* modest_text_utils_get_display_date (time_t date);
-
-
-/**
- * modest_text_utils_get_display_size:
- * @size: size in bytes
- *
- * get a string representation for a size in bytes.
- *
- * Returns: the newly allocated display string for the
- * size in bytes. must be freed.
- */
-gchar * modest_text_utils_get_display_size (guint size);
-
-
-/**
- * modest_text_utils_validate_email_address:
- * @email_address: a string
- *
- * validates the email address passed as argument
- *
- * Returns: TRUE if the address is valid, FALSE otherwise
- **/
-gboolean modest_text_utils_validate_email_address (const gchar *email_address);
-
-/**
- * modest_text_utils_split_addresses_list:
- * @addresses: a string
- *
- * obtains a GSList of addresses from a string of addresses
- * in the format understood by email protocols
- *
- * Returns: a GSList of strings
- **/
-GSList *modest_text_utils_split_addresses_list (const gchar *addresses);
-
-#endif /* __MODEST_TEXT_UTILS_H__ */
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