1 files changed, 109 insertions, 0 deletions
diff --git a/include/orcus/yaml_document_tree.hpp b/include/orcus/yaml_document_tree.hpp
new file mode 100644
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--- /dev/null
+++ b/include/orcus/yaml_document_tree.hpp
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_ORCUS_YAML_DOCUMENT_TREE_HPP
+#define INCLUDED_ORCUS_YAML_DOCUMENT_TREE_HPP
+
+#include "env.hpp"
+#include "exception.hpp"
+
+#include <string>
+#include <memory>
+#include <vector>
+
+namespace orcus {
+
+namespace yaml {
+
+class document_tree;
+
+class ORCUS_DLLPUBLIC document_error : public general_error
+{
+public:
+    document_error(const std::string& msg);
+    virtual ~document_error();
+};
+
+enum class node_t : uint8_t
+{
+    unset,
+    string,
+    number,
+    map,
+    sequence,
+    boolean_true,
+    boolean_false,
+    null
+};
+
+struct yaml_value;
+
+class ORCUS_DLLPUBLIC const_node
+{
+    friend class ::orcus::yaml::document_tree;
+
+    struct impl;
+    std::unique_ptr<impl> mp_impl;
+
+    const_node(const yaml_value* yv);
+
+public:
+    const_node() = delete;
+
+    const_node(const const_node& other);
+    const_node(const_node&& rhs);
+    ~const_node();
+
+    node_t type() const;
+
+    size_t child_count() const;
+
+    std::vector<const_node> keys() const;
+
+    const_node key(size_t index) const;
+
+    const_node child(size_t index) const;
+
+    const_node child(const const_node& key) const;
+
+    const_node parent() const;
+
+    std::string_view string_value() const;
+    double numeric_value() const;
+
+    const_node& operator=(const const_node& other);
+
+    uintptr_t identity() const;
+};
+
+class ORCUS_DLLPUBLIC document_tree
+{
+    struct impl;
+    std::unique_ptr<impl> mp_impl;
+
+public:
+    document_tree();
+    document_tree(const document_tree&) = delete;
+    document_tree(document_tree&& other);
+    ~document_tree();
+
+    void load(std::string_view s);
+
+    size_t get_document_count() const;
+
+    const_node get_document_root(size_t index) const;
+
+    std::string dump_yaml() const;
+
+    std::string dump_json() const;
+};
+
+}}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */