intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 43 insertions, 0 deletions

diff --git a/library/cpp/yson/lexer.cpp b/library/cpp/yson/lexer.cpp
new file mode 100644
index 00000000000..5eae94273bf
--- /dev/null
+++ b/library/cpp/yson/lexer.cpp
@@ -0,0 +1,43 @@
+#include "lexer.h"
+#include "lexer_detail.h"
+#include "token.h"
+
+#include <util/generic/ptr.h>
+
+namespace NYson {
+    ////////////////////////////////////////////////////////////////////////////////
+
+    class TStatelessLexer::TImpl {
+    private:
+        THolder<TStatelessYsonLexerImplBase> Impl;
+
+    public:
+        TImpl(bool enableLinePositionInfo = false)
+            : Impl(enableLinePositionInfo
+                       ? static_cast<TStatelessYsonLexerImplBase*>(new TStatelesYsonLexerImpl<true>())
+                       : static_cast<TStatelessYsonLexerImplBase*>(new TStatelesYsonLexerImpl<false>()))
+                   {
+        }
+
+        size_t GetToken(const TStringBuf& data, TToken* token) {
+            return Impl->GetToken(data, token);
+        }
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    TStatelessLexer::TStatelessLexer()
+        : Impl(new TImpl())
+    {
+    }
+
+    TStatelessLexer::~TStatelessLexer() {
+    }
+
+    size_t TStatelessLexer::GetToken(const TStringBuf& data, TToken* token) {
+        return Impl->GetToken(data, token);
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYson