From 0c6ef834b242fae356fe27e907f9e8723cceda9d Mon Sep 17 00:00:00 2001
From: George Kiagiadakis <george.kiagiadakis@collabora.com>
Date: Thu, 12 Sep 2019 16:05:40 +0300
Subject: [PATCH] lib: properties: add wp_properties_copy_keys
A method to copy specific keys from one properties set to another
---
lib/wp/properties.c | 26 ++++++++++++++++++++++++++
lib/wp/properties.h | 5 +++++
2 files changed, 31 insertions(+)
diff --git a/lib/wp/properties.c b/lib/wp/properties.c
index b8d78346..e06b69fc 100644
--- a/lib/wp/properties.c
+++ b/lib/wp/properties.c
@@ -178,6 +178,32 @@ wp_properties_update_from_dict (WpProperties * self,
return pw_properties_update (self->props, dict);
}
+gint
+wp_properties_copy_keys (WpProperties * src, WpProperties * dst,
+ const gchar *key1, ...)
+{
+ gint ret;
+ va_list args;
+ va_start (args, key1);
+ ret = wp_properties_copy_keys_valist (src, dst, key1, args);
+ va_end (args);
+ return ret;
+}
+
+gint
+wp_properties_copy_keys_valist (WpProperties * src, WpProperties * dst,
+ const gchar *key1, va_list args)
+{
+ gint changed = 0;
+ const gchar *value;
+
+ for (; key1; key1 = va_arg (args, const gchar *)) {
+ if ((value = wp_properties_get (src, key1)) != NULL)
+ changed += wp_properties_set (dst, key1, value);
+ }
+ return changed;
+}
+
const gchar *
wp_properties_get (WpProperties * self, const gchar * key)
{
diff --git a/lib/wp/properties.h b/lib/wp/properties.h
index 3479f36a..553f937a 100644
--- a/lib/wp/properties.h
+++ b/lib/wp/properties.h
@@ -41,6 +41,11 @@ void wp_properties_unref (WpProperties * self);
gint wp_properties_update_from_dict (WpProperties * self,
const struct spa_dict * dict);
+gint wp_properties_copy_keys (WpProperties * src, WpProperties * dst,
+ const gchar *key1, ...) G_GNUC_NULL_TERMINATED;
+gint wp_properties_copy_keys_valist (WpProperties * src, WpProperties * dst,
+ const gchar *key1, va_list args);
+
const gchar * wp_properties_get (WpProperties * self, const gchar * key);
gint wp_properties_set (WpProperties * self, const gchar * key,
--
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