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76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
// Copyright 2008, Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef KML_BASE_FILE_H__
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#define KML_BASE_FILE_H__
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#include "kml/base/util.h"
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namespace kmlbase {
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class File {
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public:
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// Reads a file into a string. Returns false if given a bad file descriptor
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// or if the file could not be opened. output is unmodified on failure.
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static bool ReadFileToString(const string& filename,
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string* output);
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// Writes a string into a file. Returns false if the target file could
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// not be created and opened for writing.
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static bool WriteStringToFile(const string& data,
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const string& filename);
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// Returns true if the file exists.
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static bool Exists(const string& full_path);
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// Deletes a file. If the file does not exist, returns false. Returns true
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// if the file was deleted.
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static bool Delete(const string& filepath);
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// Creates a unique file in the system temporary directory. Returns the
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// full path of the new file in 'path'.
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// Returns true if the function succeeds. 'path' is unmodified on failure.
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static bool CreateNewTempFile(string* full_filepath);
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// Join two file paths. If the first does not end in the platform-specific
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// path separator, it is appended before the second string is joined. Returns
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// the joined string. If either of the strings is empty, the other string is
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// returned unmodified. This should NOT be used with URL paths, which are
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// not platform-specific.
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static string JoinPaths(const string& p1, const string& p2);
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// Splits a path to a filename into its base directory and filename
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// components. E.g. /tom/dick/harry.txt is "/tom/dick" and "harry.txt".
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// Either of the string pointers may be NULL.
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static void SplitFilePath(const string& filepath,
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string* base_directory,
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string* filename);
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};
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} // end namespace kmlbase
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#endif // KML_BASE_FILE_H__
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