external & build dependences in src tree

- external & build dependences boost licensed
  - ext_depends (external depends)
    - D-YAML
      - tinyendian
    - d2sqlite3
    - imageformats
  - build_depends
    - dub2nix

2 files changed, 62 insertions, 0 deletions

diff --git a/src/ext_depends/D-YAML/examples/tojson/dub.json b/src/ext_depends/D-YAML/examples/tojson/dub.json
new file mode 100644
index 0000000..ba014b8
--- /dev/null
+++ b/src/ext_depends/D-YAML/examples/tojson/dub.json
@@ -0,0 +1,8 @@
+{
+    "name": "tojson",
+    "targetType": "executable",
+    "dependencies":
+    {
+        "dyaml": "*"
+    }
+}
diff --git a/src/ext_depends/D-YAML/examples/tojson/source/app.d b/src/ext_depends/D-YAML/examples/tojson/source/app.d
new file mode 100644
index 0000000..654274f
--- /dev/null
+++ b/src/ext_depends/D-YAML/examples/tojson/source/app.d
@@ -0,0 +1,54 @@
+module dyaml.tojson;
+import std.datetime;
+import std.json;
+import std.stdio;
+import dyaml;
+
+void main()
+{
+    auto doc = Loader.fromFile(stdin).load();
+    auto json = doc.toJSON;
+    writeln(json.toPrettyString);
+}
+
+JSONValue toJSON(Node node)
+{
+    JSONValue output;
+    final switch (node.type)
+    {
+        case NodeType.sequence:
+            output = JSONValue(string[].init);
+            foreach (Node seqNode; node)
+            {
+                output.array ~= seqNode.toJSON();
+            }
+            break;
+        case NodeType.mapping:
+            output = JSONValue(string[string].init);
+            foreach (Node keyNode, Node valueNode; node)
+            {
+                output[keyNode.as!string] = valueNode.toJSON();
+            }
+            break;
+        case NodeType.string:
+            output = node.as!string;
+            break;
+        case NodeType.integer:
+            output = node.as!long;
+            break;
+        case NodeType.decimal:
+            output = node.as!real;
+            break;
+        case NodeType.boolean:
+            output = node.as!bool;
+            break;
+        case NodeType.timestamp:
+            output = node.as!SysTime.toISOExtString();
+            break;
+        case NodeType.merge:
+        case NodeType.null_:
+        case NodeType.binary:
+        case NodeType.invalid:
+    }
+    return output;
+}