2 * Shell utility functions.
5 * Gonzalo Paniagua Javier (gonzalo@novell.com
7 * (C) 2006 Novell, Inc.
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32 split_cmdline (const gchar *cmdline, GPtrArray *array, GError **error)
36 gboolean in_quote = FALSE;
37 gboolean escaped = FALSE;
38 gchar quote_char = '\0';
41 str = g_string_new ("");
42 ptr = (gchar *) cmdline;
43 while ((c = *ptr++) != '\0') {
46 if (!g_ascii_isspace (c))
47 g_string_append_c (str, c);
48 } else if (in_quote) {
49 if (c == quote_char) {
52 g_ptr_array_add (array, g_string_free (str, FALSE));
53 str = g_string_new ("");
55 g_string_append_c (str, c);
57 } else if (g_ascii_isspace (c)) {
59 g_ptr_array_add (array, g_string_free (str, FALSE));
60 str = g_string_new ("");
62 } else if (c == '\\') {
64 } else if (c == '\'' || c == '"') {
68 g_string_append_c (str, c);
74 *error = g_error_new (G_LOG_DOMAIN, 0, "Unfinished escape.");
75 g_string_free (str, TRUE);
81 *error = g_error_new (G_LOG_DOMAIN, 0, "Unfinished quote.");
82 g_string_free (str, TRUE);
87 g_ptr_array_add (array, g_string_free (str, FALSE));
89 g_string_free (str, TRUE);
91 g_ptr_array_add (array, NULL);
96 g_shell_parse_argv (const gchar *command_line, gint *argcp, gchar ***argvp, GError **error)
102 g_return_val_if_fail (command_line, FALSE);
103 g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
105 array = g_ptr_array_new();
106 if (split_cmdline (command_line, array, error)) {
107 g_ptr_array_add (array, NULL);
108 g_strfreev ((gchar **) array->pdata);
109 g_ptr_array_free (array, FALSE);
114 argv = (gchar **) array->pdata;
118 g_ptr_array_free (array, FALSE);
123 *argcp = array->len - 1;
132 g_ptr_array_free (array, FALSE);
137 g_shell_quote (const gchar *unquoted_string)
139 GString *result = g_string_new ("'");
142 for (p = unquoted_string; *p; p++){
144 g_string_append (result, "'\\'");
145 g_string_append_c (result, *p);
147 g_string_append_c (result, '\'');
148 return g_string_free (result, FALSE);
152 g_shell_unquote (const gchar *quoted_string, GError **error)
158 if (quoted_string == NULL)
161 /* Quickly try to determine if we need to unquote or not */
162 for (p = quoted_string; *p; p++){
163 if (*p == '\'' || *p == '"' || *p == '\\'){
170 return g_strdup (quoted_string);
172 /* We do need to unquote */
173 result = g_string_new ("");
174 for (p = quoted_string; *p; p++){
177 /* Process single quote, not even \ is processed by glib's version */
181 g_string_append_c (result, *p);
184 g_set_error (error, 0, 0, "Open quote");
187 } else if (*p == '"'){
188 /* Process double quote, allows some escaping */
195 g_set_error (error, 0, 0, "Open quote");
206 g_string_append_c (result, '\\');
210 g_string_append_c (result, *p);
213 g_set_error (error, 0, 0, "Open quote");
216 } else if (*p == '\\'){
219 if (!(c == '$' || c == '"' || c == '\\' || c == '`' || c == 0))
220 g_string_append_c (result, '\\');
224 g_string_append_c (result, c);
226 g_string_append_c (result, *p);
228 return g_string_free (result, FALSE);
233 * This test is designed to be built with the 2 glib/eglib to compare
244 "\"foo\" 'bar' \"baz\"",
249 "\"f\\$\"\\\"\\\\", // /\\\"\\\\"
263 char *r1 = g_shell_unquote (*s, NULL);
264 char *r2 = g2_shell_unquote (*s, NULL);
265 char *ok = r1 == r2 ? "ok" : (r1 != NULL && r2 != NULL && strcmp (r1, r2) == 0) ? "ok" : "fail";
267 printf ("%s [%s] -> [%s] - [%s]\n", ok, *s, r1, r2);
277 for (i = 32; i < 255; i++){
279 printf ("%d [%s] -> [%s]\n", i, buffer, g_shell_unquote (buffer, NULL));