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/*
* $Id$
*
* (c) 2004 by Kalle Wallin <kaw@linux.se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "support.h"
#include "ncmpc.h"
#include <assert.h>
#include <time.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUFSIZE 1024
extern void screen_status_printf(const char *format, ...);
static gboolean noconvert = TRUE;
size_t
my_strlen(const char *str)
{
assert(str != NULL);
if (g_utf8_validate(str, -1, NULL)) {
size_t len = g_utf8_strlen(str, -1);
size_t width = 0;
gunichar c;
while (len--) {
c = g_utf8_get_char(str);
width += g_unichar_iswide(c) ? 2 : 1;
str += g_unichar_to_utf8(c, NULL);
}
return width;
} else
return strlen(str);
}
char *
remove_trailing_slash(char *path)
{
int len;
if (path == NULL)
return NULL;
len = strlen(path);
if (len > 1 && path[len - 1] == '/')
path[len - 1] = '\0';
return path;
}
char *
lowerstr(char *str)
{
gsize i;
gsize len = strlen(str);
if (str == NULL)
return NULL;
i = 0;
while (i < len && str[i]) {
str[i] = tolower(str[i]);
i++;
}
return str;
}
#ifndef HAVE_BASENAME
char *
basename(char *path)
{
char *end;
assert(path != NULL);
path = remove_trailing_slash(path);
end = path + strlen(path);
while (end > path && *end != '/')
end--;
if (*end == '/' && end != path)
return end+1;
return path;
}
#endif /* HAVE_BASENAME */
#ifndef HAVE_STRCASESTR
char *
strcasestr(const char *haystack, const char *needle)
{
assert(haystack != NULL);
assert(needle != NULL);
return strstr(lowerstr(haystack), lowerstr(needle));
}
#endif /* HAVE_STRCASESTR */
// FIXME: utf-8 length
char *
strscroll(char *str, char *separator, int width, scroll_state_t *st)
{
gchar *tmp, *buf;
gsize len, size;
assert(str != NULL);
assert(separator != NULL);
assert(st != NULL);
if( st->offset==0 ) {
st->offset++;
return g_strdup(str);
}
/* create a buffer containing the string and the separator */
size = strlen(str)+strlen(separator)+1;
tmp = g_malloc(size);
g_strlcpy(tmp, str, size);
g_strlcat(tmp, separator, size);
len = my_strlen(tmp);
if (st->offset >= len)
st->offset = 0;
/* create the new scrolled string */
size = width+1;
if (g_utf8_validate(tmp, -1, NULL) ) {
int ulen;
buf = g_malloc(size*6);// max length of utf8 char is 6
g_utf8_strncpy(buf, g_utf8_offset_to_pointer(tmp,st->offset), size);
if( (ulen = g_utf8_strlen(buf, -1)) < width )
g_utf8_strncpy(buf+strlen(buf), tmp, size - ulen - 1);
} else {
buf = g_malloc(size);
g_strlcpy(buf, tmp+st->offset, size);
if (strlen(buf) < (size_t)width)
g_strlcat(buf, tmp, size);
}
if( time(NULL)-st->t >= 1 ) {
st->t = time(NULL);
st->offset++;
}
g_free(tmp);
return buf;
}
void
charset_init(gboolean disable)
{
noconvert = disable;
}
char *
utf8_to_locale(const char *utf8str)
{
gchar *str;
gsize rb, wb;
GError *error;
assert(utf8str != NULL);
if (noconvert)
return g_strdup(utf8str);
rb = 0; /* bytes read */
wb = 0; /* bytes written */
error = NULL;
str = g_locale_from_utf8(utf8str,
strlen(utf8str),
&wb, &rb,
&error);
if (error) {
const char *charset;
g_get_charset(&charset);
screen_status_printf(_("Error: Unable to convert characters to %s"),
charset);
D("utf8_to_locale(): %s\n", error->message);
g_error_free(error);
return g_strdup(utf8str);
}
return str;
}
char *
locale_to_utf8(const char *localestr)
{
gchar *str;
gsize rb, wb;
GError *error;
assert(localestr != NULL);
if (noconvert)
return g_strdup(localestr);
rb = 0; /* bytes read */
wb = 0; /* bytes written */
error = NULL;
str = g_locale_to_utf8(localestr,
strlen(localestr),
&wb, &rb,
&error);
if (error) {
screen_status_printf(_("Error: Unable to convert characters to UTF-8"));
D("locale_to_utf8: %s\n", error->message);
g_error_free(error);
return g_strdup(localestr);
}
return str;
}
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