Filesystem abstraction prototype - path declaration
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p-filesystem.hh
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p-filesystem.hh
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/******************************************************************************/
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/* FILESYSTEM ABSTRACTION *****************************************************/
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/******************************************************************************/
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#ifndef _H_EBCL_FILESYSTEM
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#define _H_EBCL_FILESYSTEM
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#include <ebcl/Strings.hh>
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#include <ebcl/Utilities.hh>
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namespace ebcl {
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/*= FILESYSTEM PATH ==========================================================*/
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class T_FSPath
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{
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public:
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using T_Components = T_AutoArray< T_String , 16 >;
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private:
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// Root will be '/' on Unix, or a drive letter on Windows. Relative
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// paths will have a blank root.
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T_String root_;
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T_Components components_;
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bool valid_;
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public:
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//----------------------------------------------------------------------
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// Helpers
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static bool IsValidComponent( T_String const& string ) noexcept;
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static bool IsValidRoot( T_String const& string ) noexcept;
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//----------------------------------------------------------------------
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// Basic constructors and assignment operators
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T_FSPath( ) noexcept;
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T_FSPath( T_FSPath const& other ) noexcept;
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T_FSPath& operator =( T_FSPath const& other ) noexcept;
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T_FSPath( T_FSPath&& other ) noexcept;
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T_FSPath& operator =( T_FSPath&& other ) noexcept;
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T_FSPath& swap( T_FSPath& other ) noexcept;
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// Construct from a string
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T_FSPath( T_String const& path ) noexcept;
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//----------------------------------------------------------------------
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bool isValid( ) const noexcept;
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T_String const& root( ) const noexcept;
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T_Components const& components( ) const noexcept;
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// FIXME: provide iterators for the components
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bool isRelative( ) const noexcept;
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bool isAbsolute( ) const noexcept;
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//----------------------------------------------------------------------
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// Convert the path into a string
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T_String toString( ) const noexcept;
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// Compute a hash value for the path
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uint32_t computeHash( ) const noexcept;
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// Append to a string builder
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void appendTo( T_StringBuilder& sb ) const noexcept;
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// Equality operators. On Windows the comparison will be
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// case-insensitive.
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bool operator ==( T_FSPath const& other ) const noexcept;
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bool operator !=( T_FSPath const& other ) const noexcept;
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//----------------------------------------------------------------------
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// Returns the parent's path
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T_FSPath parent( ) const noexcept;
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// Returns the child's path
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T_FSPath child( T_String const& name ) const noexcept;
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// Appends the specified (relative) path to the current path and return
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// the result. If the path is absolute, the result will be invalid.
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T_FSPath operator +( T_FSPath const& other ) const noexcept;
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// Checks if the current path and the specified path have the same
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// parent and are different.
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bool inDirectoryOf( T_FSPath const& other ) const noexcept;
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// Checks if the current path is the direct parent of the specified path
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bool isParentOf( T_FSPath const& other ) const noexcept;
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// Checks if the current path is the direct child of the specified path
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bool isChildOf( T_FSPath const& other ) const noexcept;
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// Checks if the current path is a parent of the specified path
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bool isAbove( T_FSPath const& other ) const noexcept;
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// Checks if the current path is a child of the specified path
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bool isUnder( T_FSPath const& other ) const noexcept;
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//----------------------------------------------------------------------
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// Checks whether the specified path is canonical
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bool isCanonical( ) const noexcept;
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// Return a canonical path from the current path
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T_FSPath canonical( ) const noexcept;
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};
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M_DECLARE_SWAP( T_FSPath );
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M_DECLARE_HASH( T_FSPath );
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M_LSHIFT_OP( T_StringBuilder , T_FSPath );
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/*= T_FSPath =================================================================*/
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// FIXME: inline stuff should be moved
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} // namespace ebcl
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#endif // _H_EBCL_FILESYSTEM
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