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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef FileMetadata_h
     32 #define FileMetadata_h
     33 
     34 #include "platform/PlatformExport.h"
     35 #include "platform/weborigin/KURL.h"
     36 #include "wtf/MathExtras.h"
     37 #include "wtf/text/WTFString.h"
     38 #include <time.h>
     39 
     40 namespace WebCore {
     41 
     42 inline double invalidFileTime() { return std::numeric_limits<double>::quiet_NaN(); }
     43 inline bool isValidFileTime(double time) { return std::isfinite(time); }
     44 
     45 struct FileMetadata {
     46     // The last modification time of the file, in seconds.
     47     // The value 0.0 means that the time is not set.
     48     double modificationTime;
     49 
     50     // The length of the file in bytes.
     51     // The value -1 means that the length is not set.
     52     long long length;
     53 
     54     enum Type {
     55         TypeUnknown = 0,
     56         TypeFile,
     57         TypeDirectory
     58     };
     59 
     60     Type type;
     61     String platformPath;
     62 
     63     FileMetadata() : modificationTime(invalidFileTime()), length(-1), type(TypeUnknown) { }
     64 };
     65 
     66 PLATFORM_EXPORT bool getFileSize(const String&, long long& result);
     67 PLATFORM_EXPORT bool getFileModificationTime(const String&, time_t& result);
     68 PLATFORM_EXPORT bool getFileMetadata(const String&, FileMetadata&);
     69 PLATFORM_EXPORT String directoryName(const String&);
     70 PLATFORM_EXPORT KURL filePathToURL(const String&);
     71 
     72 } // namespace WebCore
     73 
     74 #endif // FileMetadata_h
     75