symport/f32/sfsrv/cl_entry.cpp
changeset 1 0a7b44b10206
child 2 806186ab5e14
equal deleted inserted replaced
0:c55016431358 1:0a7b44b10206
       
     1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Symbian Foundation License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // f32\sfsrv\cl_entry.cpp
       
    15 // 
       
    16 //
       
    17 
       
    18 #include "cl_std.h"
       
    19 
       
    20 
       
    21 /**
       
    22 Default constructor.
       
    23 */
       
    24 EXPORT_C TVolumeInfo::TVolumeInfo()
       
    25 	{
       
    26     Mem::FillZ(this, sizeof(TVolumeInfo)); //-- zero-fill itself
       
    27     new(&iName)TBufC<KMaxFileName>;        //-- initialise broken descriptor 
       
    28     }
       
    29 
       
    30 
       
    31 
       
    32 
       
    33 EXPORT_C TBool TEntry::IsReadOnly() const
       
    34 /**
       
    35 Tests whether the file or directory is read-only.
       
    36 
       
    37 @return ETrue if entry is read-only, EFalse if not.
       
    38 
       
    39 @see KEntryAttReadOnly
       
    40 */
       
    41 	{
       
    42 	return(iAtt&KEntryAttReadOnly);
       
    43 	}
       
    44 
       
    45 
       
    46 
       
    47 
       
    48 EXPORT_C TBool TEntry::IsHidden() const
       
    49 /**
       
    50 Tests whether the file or directory is hidden.
       
    51 
       
    52 @return ETrue if entry is hidden, EFalse if not.
       
    53 
       
    54 @see KEntryAttHidden
       
    55 */
       
    56 	{
       
    57 
       
    58 	return(iAtt&KEntryAttHidden);
       
    59 	}
       
    60 
       
    61 
       
    62 
       
    63 
       
    64 EXPORT_C TBool TEntry::IsSystem() const
       
    65 /**
       
    66 Tests whether the file or directory has the system attribute set.
       
    67 
       
    68 @return ETrue if entry is a system entry, EFalse if not.
       
    69 
       
    70 @see KEntryAttSystem
       
    71 */
       
    72 	{
       
    73 
       
    74 	return(iAtt&KEntryAttSystem);
       
    75 	}
       
    76 
       
    77 
       
    78 
       
    79 
       
    80 EXPORT_C TBool TEntry::IsDir() const
       
    81 /**
       
    82 Tests whether the entry is a directory.
       
    83 
       
    84 @return ETrue if entry indicates a directory, EFalse if not.
       
    85 
       
    86 @see KEntryAttDir
       
    87 */
       
    88 	{
       
    89 
       
    90 	return(iAtt&KEntryAttDir);
       
    91 	}
       
    92 
       
    93 
       
    94 
       
    95 
       
    96 EXPORT_C TBool TEntry::IsArchive() const
       
    97 /**
       
    98 Tests whether the file is an archive file.
       
    99 
       
   100 @return ETrue if file is archive, EFalse if not.
       
   101 
       
   102 @see KEntryAttArchive
       
   103 */
       
   104 	{
       
   105 
       
   106 	return(iAtt&KEntryAttArchive);
       
   107 	}
       
   108 
       
   109 
       
   110 
       
   111 
       
   112 EXPORT_C TEntryArray::TEntryArray()
       
   113 	: iCount(0)
       
   114 /**
       
   115 Default constructor.
       
   116 
       
   117 Initialises its count of contained TEntry objects to zero.
       
   118 */
       
   119 	{}
       
   120 
       
   121 
       
   122 
       
   123 
       
   124 EXPORT_C TInt TEntryArray::Count() const
       
   125 /**
       
   126 Gets the number of entries in the array.
       
   127 
       
   128 @return The number of entries in the array.
       
   129 */
       
   130 	{
       
   131 
       
   132 	if (iCount==KCountNeeded)
       
   133 		{
       
   134 		const TEntry* pE=(const TEntry*)iBuf.Ptr();
       
   135 		const TEntry* pEnd=PtrAdd(pE,iBuf.Length());
       
   136 		TInt c=0;
       
   137 		while (pE<pEnd)
       
   138 			{
       
   139 			c++;
       
   140 			pE=PtrAdd(pE,Align4(EntrySize(*pE)));
       
   141 			}
       
   142 		TEntryArray& me=(TEntryArray& )(*this);
       
   143 		me.iCount=c;
       
   144 		me.iIndex=0;
       
   145 		me.iPos=(const TEntry*)iBuf.Ptr();
       
   146 		}
       
   147 	return(iCount);
       
   148 	}
       
   149 
       
   150 
       
   151 
       
   152 
       
   153 EXPORT_C const TEntry& TEntryArray::operator[](TInt anIndex) const
       
   154 /**
       
   155 Gets the directory entry at the specified index.
       
   156 
       
   157 @param anIndex Index of the entry within the array.
       
   158                This value is relative to zero.
       
   159                
       
   160 @return On return contains the entry at the specified index.
       
   161 
       
   162 @panic FSCLIENT 22 if anIndex is greater than or equal to the number
       
   163        of elements in the array.
       
   164 */
       
   165 	{
       
   166 
       
   167 	__ASSERT_ALWAYS(anIndex<Count(),Panic(EEntryArrayBadIndex));
       
   168 	const TEntry* pE=iPos;
       
   169 	TInt ix=iIndex;
       
   170 	if (anIndex<ix)
       
   171 		{
       
   172 		ix=0;
       
   173 		pE=(const TEntry*)iBuf.Ptr();
       
   174 		}
       
   175 	while (ix<anIndex)
       
   176 		{
       
   177 		pE=PtrAdd(pE,Align4(EntrySize(*pE)));
       
   178 		ix++;
       
   179 		}
       
   180 	TEntryArray& me=(TEntryArray& )(*this);
       
   181 	me.iIndex=ix;
       
   182 	me.iPos=pE;
       
   183 	return(*pE);
       
   184 	}
       
   185 
       
   186 
       
   187 
       
   188 
       
   189 EXPORT_C TEntry::TEntry()
       
   190 /**
       
   191 Default constructor.
       
   192 */
       
   193 	{}
       
   194 
       
   195 
       
   196 
       
   197 
       
   198 EXPORT_C TEntry::TEntry(const TEntry& aEntry)
       
   199 /**
       
   200 Copy constructor.
       
   201 
       
   202 @param aEntry The TEntry object to be copied.
       
   203 */
       
   204 	{
       
   205 	Mem::Copy(this,&aEntry,EntrySize(aEntry));
       
   206 	}
       
   207 
       
   208 
       
   209 
       
   210 
       
   211 EXPORT_C TEntry& TEntry::operator=(const TEntry& aEntry)
       
   212 /**
       
   213 Assignment operator.
       
   214 
       
   215 @param aEntry The TEntry object to be copied to this TEntry object.
       
   216 
       
   217 @return A reference to this TEntry object.
       
   218 */
       
   219 	{
       
   220 	if(this!=&aEntry)
       
   221 		Mem::Copy(this,&aEntry,EntrySize(aEntry));
       
   222 	return(*this);
       
   223 	}