summaryrefslogtreecommitdiff
path: root/ext/psych/lib/psych/json/tree_builder.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/psych/lib/psych/json/tree_builder.rb')
-rw-r--r--ext/psych/lib/psych/json/tree_builder.rb24
1 files changed, 24 insertions, 0 deletions
diff --git a/ext/psych/lib/psych/json/tree_builder.rb b/ext/psych/lib/psych/json/tree_builder.rb
new file mode 100644
index 0000000000..91d7e6cad6
--- /dev/null
+++ b/ext/psych/lib/psych/json/tree_builder.rb
@@ -0,0 +1,24 @@
+module Psych
+ module JSON
+ ###
+ # Psych::JSON::TreeBuilder is an event based AST builder. Events are sent
+ # to an instance of Psych::JSON::TreeBuilder and a JSON AST is constructed.
+ class TreeBuilder < Psych::TreeBuilder
+ def start_document version, tag_directives, implicit
+ super(version, tag_directives, true)
+ end
+
+ def end_document implicit_end
+ super(true)
+ end
+
+ def start_mapping anchor, tag, implicit, style
+ super(anchor, tag, implicit, Nodes::Mapping::FLOW)
+ end
+
+ def start_sequence anchor, tag, implicit, style
+ super(anchor, tag, implicit, Nodes::Sequence::FLOW)
+ end
+ end
+ end
+end