e27cf56fa2
-- zipFS has several limitations... --- in a general way, seekg doesn't work... so getting a file's size needs to be done through JFileSystem. --- getLine on files open with zipFS doesn't work so great. Not sure if it is a normal issue because files are open in binary or not... JFileSystem therefore offers a "readIntoString" function that needs to be used instead of the usual "getline" technique. However getLine can then be used on a stream connected to the string. -- tested on Windows and PSP, I also made sure android still works, but haven't tested zip support on Android. -- I tried to maintain backwards compatibility, but this might break on some platforms, if I broke some platforms and you can't find a way to fix them, please contact me and we'll figure something out -- This removes wagic::ifstream. I didn't reimplement the securities that were involved in this, apologies for that. Might be useful to reimplement such securities in JFileSystem -- I haven't tested options/profiles in a deep way, it is possible I broke that.
144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
// zfsystem.h: interface for the zip header classes.
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//
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//////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002 Tanguy Fautré.
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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// Tanguy Fautré
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// softdev@telenet.be
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//
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//////////////////////////////////////////////////////////////////////
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//
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// Zip File Format Headers.
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// ***********************
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//
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// Current version: 1.00 BETA 2 (01/09/2003)
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//
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// Comment: Based on the ZIP file format specification from Appnote.txt
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// from the PKZip Website on July 13, 1998.
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// New implementations of the ZIP file format might not work
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// correctly (ZIP64 ?).
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//
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// History: - 1.00 BETA 2 (01/09/2003) - Use stdint.h sized types
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// - 1.00 BETA 1 (12/06/2002) - First public release
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//
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//////////////////////////////////////////////////////////////////////
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#pragma once
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// Zip File System Namespace
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namespace zip_file_system {
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// Zip file headers
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enum headerid { LOCALFILE = 0x04034b50,
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FILE = 0x02014b50,
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ENDOFDIR = 0x06054b50,
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UNKNOWN,
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READERROR
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};
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// Zip file "local file" header class
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struct local_file_header
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{
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bool ReadHeader(std::istream & File);
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static const uint_least32_t m_ConstSign= LOCALFILE;
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uint_least32_t m_Signature;
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uint_least16_t m_VersionExtract;
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uint_least16_t m_GeneralFlags;
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uint_least16_t m_CompMethod;
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uint_least16_t m_Time;
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uint_least16_t m_Date;
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uint_least32_t m_CRC32;
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uint_least32_t m_CompSize;
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uint_least32_t m_UncompSize;
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uint_least16_t m_FilenameSize;
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uint_least16_t m_FieldSize;
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std::vector<char> m_Filename;
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std::vector<char> m_ExtraField;
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};
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// Zip file "file header" header class
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struct file_header
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{
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bool ReadHeader(std::istream & File);
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static const headerid m_ConstSign = FILE;
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uint_least32_t m_Signature;
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uint_least16_t m_VersionMade;
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uint_least16_t m_VersionExtract;
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uint_least16_t m_GeneralFlags;
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uint_least16_t m_CompMethod;
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uint_least16_t m_Time;
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uint_least16_t m_Date;
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uint_least32_t m_CRC32;
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uint_least32_t m_CompSize;
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uint_least32_t m_UncompSize;
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uint_least16_t m_FilenameSize;
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uint_least16_t m_FieldSize;
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uint_least16_t m_CommentSize;
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uint_least16_t m_DiskNb;
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uint_least16_t m_IntAttrib;
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uint_least32_t m_ExtAttrib;
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uint_least32_t m_RelOffset;
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std::vector<char> m_Filename;
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std::vector<char> m_ExtraField;
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std::vector<char> m_Comment;
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};
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// Zip file "end of central dir" header class
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struct eofcd_header
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{
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bool ReadHeader(std::istream & File);
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static const headerid m_ConstSign = ENDOFDIR;
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uint_least32_t m_Signature;
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uint_least16_t m_NbDisks;
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uint_least16_t m_DirDisk;
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uint_least16_t m_LocalEntries;
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uint_least16_t m_TotalEntries;
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uint_least32_t m_DirSize;
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uint_least32_t m_Offset;
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uint_least16_t m_CommentSize;
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std::vector<char> m_Comment;
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};
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} // namespace zip_file_system
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