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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef RASTER_TO_GTIFF_UTILS_H_
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#define RASTER_TO_GTIFF_UTILS_H_
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#include <optional>
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#include <string>
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#include "absl/strings/string_view.h"
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namespace gdal::sandbox::utils {
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// RAII wrapper that creates temporary file and automatically unlinks it
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class TempFile {
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public:
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explicit TempFile(absl::string_view prefix);
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TempFile(const TempFile&) = delete;
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TempFile& operator=(const TempFile&) = delete;
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TempFile(TempFile&&) = delete;
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TempFile& operator=(TempFile&&) = delete;
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~TempFile();
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bool HasValue() const;
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int GetFd() const;
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std::string GetPath() const;
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private:
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std::optional<std::pair<std::string, int>> file_data_ = std::nullopt;
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};
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// Helper function to retrieve potential proj.db path from environment variable
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std::optional<std::string> FindProjDbPath();
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// Tries to get test folder path from the TEST_SRCDIR environment variable and
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// uses CWD path otherwise to join it with the testdata_path
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std::string GetTestDataPath(absl::string_view testdata_path);
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} // namespace gdal::sandbox::utils
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#endif // RASTER_TO_GTIFF_UTILS_H_
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