[librsvg: 79/95] rsvg_filter_primitive_erode_set_atts(): Parse attributes with the PHF

[Federico Mena Quintero <federico src gnome org>]

commit 8a58d06fccdf3623c239bac878a1fd6548ff5e0b
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Feb 21 17:17:08 2018 -0600

    rsvg_filter_primitive_erode_set_atts(): Parse attributes with the PHF

 rsvg-filter.c | 48 +++++++++++++++++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 15 deletions(-)
---
diff --git a/rsvg-filter.c b/rsvg-filter.c
index 9e44b742..ff886309 100644
--- a/rsvg-filter.c
+++ b/rsvg-filter.c
@@ -3196,28 +3196,46 @@ static void
 rsvg_filter_primitive_erode_set_atts (RsvgNode *node, gpointer impl, RsvgHandle *handle, RsvgPropertyBag 
atts)
 {
     RsvgFilterPrimitiveErode *filter = impl;
+    RsvgPropertyBagIter *iter;
+    const char *key;
+    RsvgAttribute attr;
     const char *value;
 
-    if ((value = rsvg_property_bag_lookup (atts, "in")))
-        g_string_assign (filter->super.in, value);
-    if ((value = rsvg_property_bag_lookup (atts, "result")))
-        g_string_assign (filter->super.result, value);
-
     filter_primitive_set_x_y_width_height_atts ((RsvgFilterPrimitive *) filter, atts);
 
-    if ((value = rsvg_property_bag_lookup (atts, "radius"))) {
-        if (!rsvg_css_parse_number_optional_number (value, &filter->rx, &filter->ry)) {
-            rsvg_node_set_attribute_parse_error (node, "radius", "expected number-optional-number");
-            return;
+    iter = rsvg_property_bag_iter_begin (atts);
+
+    while (rsvg_property_bag_iter_next (iter, &key, &attr, &value)) {
+        switch (attr) {
+        case RSVG_ATTRIBUTE_IN:
+            g_string_assign (filter->super.in, value);
+            break;
+
+        case RSVG_ATTRIBUTE_RESULT:
+            g_string_assign (filter->super.result, value);
+            break;
+
+        case RSVG_ATTRIBUTE_RADIUS:
+            if (!rsvg_css_parse_number_optional_number (value, &filter->rx, &filter->ry)) {
+                rsvg_node_set_attribute_parse_error (node, "radius", "expected number-optional-number");
+                goto out;
+            }
+            break;
+
+        case RSVG_ATTRIBUTE_OPERATOR:
+            if (!strcmp (value, "erode"))
+                filter->mode = 0;
+            else if (!strcmp (value, "dilate"))
+                filter->mode = 1;
+            break;
+
+        default:
+            break;
         }
     }
 
-    if ((value = rsvg_property_bag_lookup (atts, "operator"))) {
-        if (!strcmp (value, "erode"))
-            filter->mode = 0;
-        else if (!strcmp (value, "dilate"))
-            filter->mode = 1;
-    }
+out:
+    rsvg_property_bag_iter_end (iter);
 }
 
 RsvgNode *