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41 lines
1.7 KiB
C++
41 lines
1.7 KiB
C++
// Copyright 2016 The Chromium Embedded Framework Authors. Portions copyright
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// 2012 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#ifndef CEF_TESTS_UNITTESTS_FILE_UTIL_H_
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#define CEF_TESTS_UNITTESTS_FILE_UTIL_H_
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#pragma once
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#include <limits>
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#include <string>
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namespace file_util {
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// Platform-specific path separator.
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extern const char kPathSep;
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// Reads the file at |path| into |contents| and returns true on success and
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// false on error. In case of I/O error, |contents| holds the data that could
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// be read from the file before the error occurred. When the file size exceeds
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// max_size|, the function returns false with |contents| holding the file
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// truncated to |max_size|. |contents| may be NULL, in which case this function
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// is useful for its side effect of priming the disk cache (could be used for
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// unit tests). Calling this function on the browser process UI or IO threads is
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// not allowed.
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bool ReadFileToString(const std::string& path,
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std::string* contents,
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size_t max_size = std::numeric_limits<size_t>::max());
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// Writes the given buffer into the file, overwriting any data that was
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// previously there. Returns the number of bytes written, or -1 on error.
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// Calling this function on the browser process UI or IO threads is not allowed.
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int WriteFile(const std::string& path, const char* data, int size);
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// Combines |path1| and |path2| with the correct platform-specific path
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// separator.
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std::string JoinPath(const std::string& path1, const std::string& path2);
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} // namespace file_util
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#endif // CEF_TESTS_UNITTESTS_FILE_UTIL_H_
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