Transform to slime.

3 files changed, 117 insertions, 0 deletions

diff --git a/staging_vespalib/src/vespa/vespalib/objects/CMakeLists.txt b/staging_vespalib/src/vespa/vespalib/objects/CMakeLists.txt
index 12970a7d39b..f3afda94fe6 100644
--- a/staging_vespalib/src/vespa/vespalib/objects/CMakeLists.txt
+++ b/staging_vespalib/src/vespa/vespalib/objects/CMakeLists.txt
@@ -5,6 +5,7 @@ vespa_add_library(staging_vespalib_vespalib_objects OBJECT
     namedobject.cpp
     objectvisitor.cpp
     objectdumper.cpp
+    object2slime.cpp
     visit.cpp
     objectpredicate.cpp
     objectoperation.cpp
diff --git a/staging_vespalib/src/vespa/vespalib/objects/object2slime.cpp b/staging_vespalib/src/vespa/vespalib/objects/object2slime.cpp
new file mode 100644
index 00000000000..f06060529c3
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/objects/object2slime.cpp
@@ -0,0 +1,75 @@
+// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include "object2slime.h"
+#include <vespa/vespalib/util/stringfmt.h>
+#include <vespa/vespalib/data/slime/cursor.h>
+
+
+namespace vespalib {
+
+Object2Slime::Object2Slime(slime::Cursor & cursor)
+    : _cursor(&cursor),
+      _stack()
+{
+}
+
+Object2Slime::~Object2Slime() = default;
+
+//-----------------------------------------------------------------------------
+
+void
+Object2Slime::openStruct(const vespalib::string &name, const vespalib::string &type)
+{
+    _stack.push_back(_cursor);
+
+    if (name.empty()) {
+        _cursor = & _cursor->setObject(type);
+    } else {
+        _cursor = & _cursor->setObject(name);
+        _cursor->setString("[type]", type);
+    }
+}
+
+void
+Object2Slime::closeStruct()
+{
+   _cursor = _stack.back();
+   _stack.pop_back();
+}
+
+void
+Object2Slime::visitBool(const vespalib::string &name, bool value)
+{
+    _cursor->setBool(name, value);
+}
+
+void
+Object2Slime::visitInt(const vespalib::string &name, int64_t value)
+{
+    _cursor->setLong(name, value);
+}
+
+void
+Object2Slime::visitFloat(const vespalib::string &name, double value)
+{
+    _cursor->setDouble(name, value);
+}
+
+void
+Object2Slime::visitString(const vespalib::string &name, const vespalib::string &value)
+{
+    _cursor->setString(name, value);
+}
+
+void
+Object2Slime::visitNull(const vespalib::string &name)
+{
+    _cursor->setNix(name);
+}
+
+void
+Object2Slime::visitNotImplemented()
+{
+    _cursor->setNix("not_implemented");
+}
+
+} // namespace vespalib
diff --git a/staging_vespalib/src/vespa/vespalib/objects/object2slime.h b/staging_vespalib/src/vespa/vespalib/objects/object2slime.h
new file mode 100644
index 00000000000..9c147047a74
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/objects/object2slime.h
@@ -0,0 +1,41 @@
+// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#pragma once
+
+#include "objectvisitor.h"
+#include <vector>
+
+namespace vespalib {
+
+namespace slime { class Cursor; }
+
+/**
+ * This is a concrete object visitor that will build up a structured
+ * human-readable string representation of an object.
+ **/
+class Object2Slime : public ObjectVisitor
+{
+private:
+    slime::Cursor * _cursor;
+    std::vector<slime::Cursor *> _stack;
+
+public:
+    /**
+     * Create an object dumper with the given indent size; default is
+     * 4 spaces per indent level.
+     *
+     * @param indent indent size in number of spaces
+     **/
+    Object2Slime(slime::Cursor & cursor);
+    ~Object2Slime();
+
+    void openStruct(const vespalib::string &name, const vespalib::string &type) override;
+    void closeStruct() override;
+    void visitBool(const vespalib::string &name, bool value) override;
+    void visitInt(const vespalib::string &name, int64_t value) override;
+    void visitFloat(const vespalib::string &name, double value) override;
+    void visitString(const vespalib::string &name, const vespalib::string &value) override;
+    void visitNull(const vespalib::string &name) override;
+    void visitNotImplemented() override;
+};
+
+} // namespace vespalib