-/* 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) */
+/* modest-ui.c */
#include <gtk/gtk.h>
#include <string.h>
+#include <stdlib.h>
+
+#include "modest-text-utils.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif /*HAVE_CONFIG_H*/
-
+#endif /*HAVE_CONFIG_H */
/* private */
-static GString *
-get_next_line(GtkTextBuffer *b, GtkTextIter *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 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 GString *
-get_next_line(GtkTextBuffer *b, GtkTextIter *iter)
+get_next_line (const gchar * b, const gsize blen, const gchar * iter)
{
- GtkTextIter iter2;
- gchar *tmp;
+ GString *gs;
+ const gchar *i0;
- 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 (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 (strcmp("-- ", l) == 0) {
- return -1-indent;
+
+ /* 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) {
- GString *r;
+unquote_line (GString * l)
+{
gchar *p;
-
+
p = l->str;
while (p[0]) {
if (p[0] == '>') {
}
static void
-append_quoted(GString *buf, int indent, const GString *str, const int cutpoint) {
+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, "> ");
+
+ 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, 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;
-
+
+ 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 strlen(s);
+ 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)
+modest_text_utils_quote (const gchar * to_quote, const gchar * from,
+ const time_t sent_date, const int limit)
{
- GtkTextIter iter;
- gint indent, breakpoint, rem_indent;
+ const gchar *iter;
+ gint indent, breakpoint, rem_indent = 0;
gchar sent_str[101];
- GString *q, *l, *remaining; /* quoted msg, line */
-
+ GString *q, *l, *remaining;
+ gsize len;
/* 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);
-
+ 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 */
- remaining = g_string_new("");
- gtk_text_buffer_get_iter_at_line(buf, &iter, 0);
+ remaining = g_string_new ("");
+
+ iter = to_quote;
+ len = strlen(to_quote);
do {
- l = get_next_line(buf, &iter);
- indent = get_indent_level(l->str);
- unquote_line(l);
-
+ l = get_next_line (to_quote, 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));
-
- return g_string_free(q, FALSE);
+ append_quoted (q, indent, l, breakpoint);
+ g_string_free (l, TRUE);
+ } while ((iter < to_quote + len) || (remaining->str[0]));
+
+ return g_string_free (q, FALSE);
}