libmm-common: new common uint/int/str parsers

2012-03-18 17:28:14 +01:00
parent 3046059aff
commit 46d16d5c99
6 changed files with 166 additions and 148 deletions
@@ -14,6 +14,8 @@
 */

 #include <string.h>
+#include <errno.h>
+#include <stdlib.h>
 #include <gio/gio.h>

 #include <ModemManager.h>
@@ -500,3 +502,97 @@ mm_common_parse_key_value_string (const gchar *str,

    return TRUE;
 }
+
+/*****************************************************************************/
+
+gboolean
+mm_get_int_from_str (const gchar *str,
+                     gint *out)
+{
+    glong num;
+
+    errno = 0;
+    num = strtol (str, NULL, 10);
+    if (!errno && num >= G_MININT && num <= G_MAXINT) {
+        *out = (gint)num;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+gboolean
+mm_get_int_from_match_info (GMatchInfo *match_info,
+                            guint32 match_index,
+                            gint *out)
+{
+    gchar *s;
+    gboolean ret;
+
+    s = g_match_info_fetch (match_info, match_index);
+    g_return_val_if_fail (s != NULL, FALSE);
+
+    ret = mm_get_int_from_str (s, out);
+    g_free (s);
+
+    return ret;
+}
+
+gboolean
+mm_get_uint_from_str (const gchar *str,
+                      guint *out)
+{
+    gulong num;
+
+    errno = 0;
+    num = strtoul (str, NULL, 10);
+    if (!errno && num <= G_MAXUINT) {
+        *out = (guint)num;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+gboolean
+mm_get_uint_from_match_info (GMatchInfo *match_info,
+                             guint32 match_index,
+                             guint *out)
+{
+    gchar *s;
+    gboolean ret;
+
+    s = g_match_info_fetch (match_info, match_index);
+    g_return_val_if_fail (s != NULL, FALSE);
+
+    ret = mm_get_uint_from_str (s, out);
+    g_free (s);
+
+    return ret;
+}
+
+gchar *
+mm_get_string_unquoted_from_match_info (GMatchInfo *match_info,
+                                        guint32 match_index)
+{
+    gchar *str;
+    gsize len;
+
+    str = g_match_info_fetch (match_info, match_index);
+    if (!str)
+        return NULL;
+
+    len = strlen (str);
+
+    /* Unquote the item if needed */
+    if ((len >= 2) && (str[0] == '"') && (str[len - 1] == '"')) {
+        str[0] = ' ';
+        str[len - 1] = ' ';
+        str = g_strstrip (str);
+    }
+
+    if (!str[0]) {
+        g_free (str);
+        return NULL;
+    }
+
+    return str;
+}
@@ -10,7 +10,8 @@
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details:
 *
- * Copyright (C) 2011 - Google, Inc.
+ * Copyright (C) 2011 - 2012 Google, Inc.
+ * Copyright (C) 2012 Aleksander Morgado <aleksander@gnu.org>
 */

 #include <glib.h>
@@ -56,5 +57,18 @@ gboolean mm_common_parse_key_value_string (const gchar *str,
                                           MMParseKeyValueForeachFn callback,
                                           gpointer user_data);

+/* Common parsers */
+gboolean  mm_get_int_from_str                    (const gchar *str,
+                                                  gint *out);
+gboolean  mm_get_int_from_match_info             (GMatchInfo *match_info,
+                                                  guint32 match_index,
+                                                  gint *out);
+gboolean  mm_get_uint_from_str                   (const gchar *str,
+                                                  guint *out);
+gboolean  mm_get_uint_from_match_info            (GMatchInfo *match_info,
+                                                  guint32 match_index,
+                                                  guint *out);
+gchar    *mm_get_string_unquoted_from_match_info (GMatchInfo *match_info,
+                                                  guint32 match_index);

 #endif /* MM_COMMON_HELPERS_H */