Add code from tensorflow/models

The new code was copied from the latest code on GitHub (https://github.com/tensorflow/models/tree/master/research/syntaxnet). It is required for pango_font_info_test and other unit tests. Signed-off-by: Stefan Weil <sw@weilnetz.de>
tesseract-ocr · Jun 28, 2019 · 0702194 · 0702194 · Shreeshrii · Jun 29, 2019
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diff --git a/unittest/syntaxnet/base.h b/unittest/syntaxnet/base.h
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+/* Copyright 2016 Google Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef SYNTAXNET_BASE_H_
+#define SYNTAXNET_BASE_H_
+
+#include <functional>
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+#include "google/protobuf/util/message_differencer.h"
+
+
+#include "tensorflow/core/lib/core/status.h"
+#include "tensorflow/core/lib/strings/strcat.h"
+#include "tensorflow/core/lib/strings/stringprintf.h"
+#include "tensorflow/core/platform/default/integral_types.h"
+#include "tensorflow/core/platform/mutex.h"
+#include "tensorflow/core/platform/protobuf.h"
+
+
+
+using tensorflow::int8;
+using tensorflow::int16;
+using tensorflow::int32;
+using tensorflow::int64;
+using tensorflow::uint8;
+using tensorflow::uint16;
+using tensorflow::uint64;
+using tensorflow::uint32;
+using tensorflow::protobuf::TextFormat;
+using tensorflow::mutex_lock;
+using tensorflow::mutex;
+using std::map;
+using std::pair;
+using std::vector;
+using std::unordered_map;
+using std::unordered_set;
+typedef signed int char32;
+
+using tensorflow::StringPiece;
+using std::string;
+
+
+  // namespace syntaxnet
+
+#endif  // SYNTAXNET_BASE_H_