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/* Misc routines
*
* (c) 2000 Eazel, Inc.
* (c) 2001,2002 George Lebl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <locale.h>
#include "ve-i18n.h"
#include "ve-misc.h"
char **
ve_split (const char *s)
{
int argc;
char **argv;
if (s == NULL)
return NULL;
if (g_shell_parse_argv (s, &argc, &argv, NULL)) {
return argv;
} else {
return g_strsplit (s, " ", -1);
}
}
char *
ve_first_word (const char *s)
{
int argc;
char **argv;
char *ret;
if (s == NULL)
return NULL;
if ( ! g_shell_parse_argv (s, &argc, &argv, NULL)) {
char *p;
ret = g_strdup (s);
p = strchr (ret, ' ');
if (p != NULL)
*p = '\0';
return ret;
}
ret = g_strdup (argv[0]);
g_strfreev (argv);
return ret;
}
gboolean
ve_first_word_executable (const char *s, gboolean only_existance)
{
char *bin = ve_first_word (s);
if (bin == NULL)
return FALSE;
if (access (bin, only_existance ? F_OK : X_OK) == 0) {
g_free (bin);
return TRUE;
} else {
g_free (bin);
return FALSE;
}
}
char *
ve_get_first_working_command (const char *list,
gboolean only_existance)
{
int i;
char **vector;
char *ret = NULL;
if (list == NULL)
return NULL;
vector = g_strsplit (list, ";", -1);
for (i = 0; vector[i] != NULL; i++) {
if (ve_first_word_executable (vector[i],
only_existance)) {
ret = g_strdup (vector[i]);
break;
}
}
g_strfreev (vector);
return ret;
}
char *
ve_rest (const char *s)
{
const char *p;
gboolean single_quot = FALSE;
gboolean double_quot = FALSE;
gboolean escape = FALSE;
if (s == NULL)
return NULL;
for (p = s; *p != '\0'; p++) {
if (single_quot) {
if (*p == '\'') {
single_quot = FALSE;
}
} else if (escape) {
escape = FALSE;
} else if (double_quot) {
if (*p == '"') {
double_quot = FALSE;
} else if (*p == '\\') {
escape = TRUE;
}
} else if (*p == '\'') {
single_quot = TRUE;
} else if (*p == '"') {
double_quot = TRUE;
} else if (*p == '\\') {
escape = TRUE;
} else if (*p == ' ' || *p == '\t') {
while (*p == ' ' || *p == '\t')
p++;
return g_strdup (p);
}
}
return NULL;
}
char **
ve_vector_merge (char * const *v1, char * const *v2)
{
int len1, argc, i;
char **argv;
if (v1 == NULL && v2 == NULL)
return NULL;
len1 = ve_vector_len (v1);
argc = len1 + ve_vector_len (v2);
argv = g_new (char *, argc+1);
for (i = 0; i < len1; i++)
argv[i] = g_strdup (v1[i]);
for (; i < argc; i++)
argv[i] = g_strdup (v2[i - len1]);
argv[i] = NULL;
return argv;
}
int
ve_vector_len (char * const *v)
{
int i;
if (v == NULL)
return 0;
for (i = 0; v[i] != NULL; i++)
;
return i;
}
gboolean
ve_bool_equal (gboolean a, gboolean b)
{
if ((a && b) || (!a && !b))
return TRUE;
else
return FALSE;
}
gboolean
ve_is_string_in_list (const GList *list, const char *string)
{
g_return_val_if_fail (string != NULL, FALSE);
while (list != NULL) {
if (list->data != NULL &&
strcmp (string, list->data) == 0)
return TRUE;
list = list->next;
}
return FALSE;
}
gboolean
ve_is_string_in_list_case_no_locale (const GList *list, const char *string)
{
g_return_val_if_fail (string != NULL, FALSE);
while (list != NULL) {
if (list->data != NULL &&
g_ascii_strcasecmp (string, list->data) == 0)
return TRUE;
list = list->next;
}
return FALSE;
}
char *
ve_find_file_simple (const char *filename, const GList *directories)
{
char *s;
const GList *li;
if (filename == NULL)
return NULL;
if (access (filename, F_OK) == 0)
return g_strdup (filename);
/* an absolute path is just checked */
if (g_path_is_absolute (filename))
return NULL;
for (li = directories; li != NULL; li = li->next) {
s = g_build_filename (li->data, filename, NULL);
if (access (s, F_OK) == 0)
return s;
g_free (s);
}
return NULL;
}
char *
ve_locale_to_utf8 (const char *str)
{
char *ret = g_locale_to_utf8 (str, -1, NULL, NULL, NULL);
if (ret == NULL) {
g_warning ("string not in proper locale encoding: \"%s\"", str);
return g_strdup (str);
} else {
return ret;
}
}
char *
ve_locale_from_utf8 (const char *str)
{
char *ret = g_locale_from_utf8 (str, -1, NULL, NULL, NULL);
if (ret == NULL) {
g_warning ("string not in proper utf8 encoding: \"%s\"", str);
return g_strdup (str);
} else {
return ret;
}
}
char *
ve_filename_to_utf8 (const char *str)
{
char *ret = g_filename_to_utf8 (str, -1, NULL, NULL, NULL);
if (ret == NULL) {
g_warning ("string not in proper locale encoding: \"%s\"", str);
return g_strdup (str);
} else {
return ret;
}
}
char *
ve_filename_from_utf8 (const char *str)
{
char *ret = g_filename_from_utf8 (str, -1, NULL, NULL, NULL);
if (ret == NULL) {
g_warning ("string not in proper utf8 encoding: \"%s\"", str);
return g_strdup (str);
} else {
return ret;
}
}
char *
ve_strftime (struct tm *the_tm, const char *format)
{
char str[1024];
char *loc_format = ve_locale_from_utf8 (format);
/* ignore the format-nonliteral warning here to allow compilation
* with warnings as errors */
#ifdef __GNUC__
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 5)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
#endif
#endif
if (strftime (str, sizeof (str)-1, loc_format, the_tm) == 0) {
/* according to docs, if the string does not fit, the
* contents of str are undefined, thus just use
* ??? */
strcpy (str, "???");
}
#ifdef __GNUC__
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 5)
#pragma GCC diagnostic pop
#endif
#endif
str [sizeof (str)-1] = '\0'; /* just for sanity */
g_free (loc_format);
return ve_locale_to_utf8 (str);
}
pid_t
ve_waitpid_no_signal (pid_t pid, int *status, int options)
{
pid_t ret;
for (;;) {
ret = waitpid (pid, status, options);
if (ret == 0)
return 0;
if (errno != EINTR)
return ret;
}
}
gboolean
ve_locale_exists (const char *loc)
{
gboolean ret;
char *old = g_strdup (setlocale (LC_MESSAGES, NULL));
if (setlocale (LC_MESSAGES, loc) != NULL)
ret = TRUE;
else
ret = FALSE;
setlocale (LC_MESSAGES, old);
g_free (old);
return ret;
}
gboolean
ve_is_prog_in_path (const char *prog)
{
char *full = g_find_program_in_path (prog);
if (full != NULL) {
g_free (full);
return TRUE;
} else {
return FALSE;
}
}
char *
ve_shell_quote_filename (const char *name)
{
if (name[0] != '-') {
return g_shell_quote (name);
} else {
char *fname = g_strconcat ("./", name, NULL);
char *quoted = g_shell_quote (fname);
g_free (fname);
return quoted;
}
}
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