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86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCER_FILEHELPERS_JUCEHEADER__
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#define __JUCER_FILEHELPERS_JUCEHEADER__
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//==============================================================================
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namespace FileHelpers
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{
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int64 calculateStreamHashCode (InputStream& stream);
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int64 calculateFileHashCode (const File& file);
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bool overwriteFileWithNewDataIfDifferent (const File& file, const void* data, int numBytes);
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bool overwriteFileWithNewDataIfDifferent (const File& file, const MemoryOutputStream& newData);
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bool overwriteFileWithNewDataIfDifferent (const File& file, const String& newData);
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bool containsAnyNonHiddenFiles (const File& folder);
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String unixStylePath (const String& path);
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String windowsStylePath (const String& path);
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String currentOSStylePath (const String& path);
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bool shouldPathsBeRelative (String path1, String path2);
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bool isAbsolutePath (const String& path);
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// A windows-aware version of File::getRelativePath()
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String getRelativePathFrom (const File& file, const File& sourceFolder);
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}
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//==============================================================================
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class FileModificationDetector
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{
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public:
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FileModificationDetector (const File& f)
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: file (f)
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{
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}
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const File& getFile() const { return file; }
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void fileHasBeenRenamed (const File& newFile) { file = newFile; }
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bool hasBeenModified() const
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{
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return fileModificationTime != file.getLastModificationTime()
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&& (fileSize != file.getSize()
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|| FileHelpers::calculateFileHashCode (file) != fileHashCode);
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}
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void updateHash()
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{
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fileModificationTime = file.getLastModificationTime();
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fileSize = file.getSize();
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fileHashCode = FileHelpers::calculateFileHashCode (file);
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}
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private:
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File file;
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Time fileModificationTime;
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int64 fileHashCode, fileSize;
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};
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#endif // __JUCER_FILEHELPERS_JUCEHEADER__
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