libsmartcols: improve JSON support (add types)

[thirdparty/util-linux.git] / libsmartcols / src / column.c

diff --git a/libsmartcols/src/column.c b/libsmartcols/src/column.c
index b09015afc52b261aaf7df2db7c72cfb73cee286c..e9d6dc4041590af3f2c935e93684bb2efdfea0c1 100644 (file)
--- a/libsmartcols/src/column.c
+++ b/libsmartcols/src/column.c
@@ -171,6 +171,44 @@ int scols_column_set_flags(struct libscols_column *cl, int flags)
        return 0;
 }
 
+/**
+ * scols_column_set_json_type:
+ * @cl: a pointer to a struct libscols_column instance
+ * @type: SCOLS_JSON_* type
+ *
+ * Sets the type used for JSON formatting, the default is SCOLS_JSON_STRING.
+ *
+ * Returns: 0, a negative value in case of an error.
+ *
+ * Since: 2.33
+ */
+int scols_column_set_json_type(struct libscols_column *cl, int type)
+{
+       if (!cl)
+               return -EINVAL;
+
+       cl->json_type = type;
+       return 0;
+
+}
+
+/**
+ * scols_column_get_json_type:
+ * @cl: a pointer to a struct libscols_column instance
+ *
+ * Note that SCOLS_JSON_BOOLEAN interprets NULL, empty strings, '0', 'N' and
+ * 'n' as "false"; and everything else as "true".
+ *
+ * Returns: JSON type used for formatting or a negative value in case of an error.
+ *
+ * Since: 2.33
+ */
+int scols_column_get_json_type(const struct libscols_column *cl)
+{
+       return cl ? cl->json_type : -EINVAL;
+}
+
+
 /**
  * scols_column_get_table:
  * @cl: a pointer to a struct libscols_column instance