97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Declaration of the class that can be used to search for the entries
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// in a zip dir cache
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#ifndef _ZIP_DIR_SEARCH_HDR_
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#define _ZIP_DIR_SEARCH_HDR_
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namespace ZipDir
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{
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// create this structure and loop:
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// FindData fd (pZip);
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// for (fd.FindFirst("*.cgf"); fd.GetFileEntry(); fd.FindNext())
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// {} // inside the loop, use GetFileEntry() and GetFileName() to get the file entry and name records
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class FindData
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{
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public:
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FindData (DirHeader* pRoot):
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m_pRoot (pRoot),
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m_pDirHeader (NULL)
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{
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}
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protected:
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// initializes everything until the point where the file must be searched for
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// after this call returns successfully (with true returned), the m_szWildcard
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// contains the file name/wildcard and m_pDirHeader contains the directory where
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// the file (s) are to be found
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bool PreFind (const char* szWildcard);
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// matches the file wilcard in the m_szWildcard to the given file/dir name
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// this takes into account the fact that xxx. is the alias name for xxx
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bool MatchWildcard(const char* szName);
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DirHeader* m_pRoot; // the zip file inwhich the search is performed
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DirHeader* m_pDirHeader; // the header of the directory in which the files reside
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//unsigned m_nDirEntry; // the current directory entry inside the parent directory
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// the actual wildcard being used in the current scan - the file name wildcard only!
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char m_szWildcard[_MAX_PATH];
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};
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class FindFile: public FindData
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{
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public:
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FindFile (Cache* pCache):
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FindData(pCache->GetRoot())
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{
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}
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FindFile (DirHeader* pRoot):
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FindData(pRoot)
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{
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}
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// if bExactFile is passed, only the file is searched, and besides with the exact name as passed (no wildcards)
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bool FindFirst (const char* szWildcard);
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FileEntry* FindExact (const char* szPath);
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// goes on to the next file entry
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bool FindNext ();
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FileEntry* GetFileEntry();
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const char* GetFileName ();
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protected:
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bool SkipNonMatchingFiles();
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unsigned m_nFileEntry; // the current file index inside the parent directory
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};
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class FindDir: public FindData
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{
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public:
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FindDir (Cache* pCache):
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FindData(pCache->GetRoot())
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{
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}
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FindDir (DirHeader* pRoot):
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FindData(pRoot)
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{
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}
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// if bExactFile is passed, only the file is searched, and besides with the exact name as passed (no wildcards)
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bool FindFirst (const char* szWildcard);
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// goes on to the next file entry
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bool FindNext ();
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DirEntry* GetDirEntry();
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const char* GetDirName ();
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protected:
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bool SkipNonMatchingDirs();
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unsigned m_nDirEntry; // the current dir index inside the parent directory
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};
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}
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#endif |