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add wxPosixPermissions enumeration; it provides more readable synonims for wxS_I* flags and makes it easier to document which flags can be used in wxFile functions and wxFileName::Mkdir (and in future wxFileName::Chmod)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55908 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2008-09-27 10:27:44 +00:00
parent 5fed01a943
commit f41d6c8cd7
10 changed files with 811 additions and 465 deletions
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68
interface/wx/file.h
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@@ -7,25 +7,56 @@
/////////////////////////////////////////////////////////////////////////////
//@{
/**
These constants define the file access rights and are used with wxFile::Create and wxFile::Open.
We redefine these constants here because S_IREAD &c are _not_ standard
however, we do assume that the values correspond to the Unix umask bits.
*/
#define wxS_IRUSR 00400
#define wxS_IWUSR 00200
#define wxS_IXUSR 00100
enum wxPosixPermissions
{
/// standard Posix names for these permission flags
//@{
wxS_IRUSR = 00400,
wxS_IWUSR = 00200,
wxS_IXUSR = 00100,
#define wxS_IRGRP 00040
#define wxS_IWGRP 00020
#define wxS_IXGRP 00010
wxS_IRGRP = 00040,
wxS_IWGRP = 00020,
wxS_IXGRP = 00010,
#define wxS_IROTH 00004
#define wxS_IWOTH 00002
#define wxS_IXOTH 00001
wxS_IROTH = 00004,
wxS_IWOTH = 00002,
wxS_IXOTH = 00001,
//@}
/** Default mode for the new files: corresponds to umask 022 */
#define wxS_DEFAULT (wxS_IRUSR | wxS_IWUSR | wxS_IRGRP | wxS_IWGRP | wxS_IROTH | wxS_IWOTH)
//@}
/// longer but more readable synonims for the constants above
//@{
wxPOSIX_USER_READ = wxS_IRUSR,
wxPOSIX_USER_WRITE = wxS_IWUSR,
wxPOSIX_USER_EXECUTE = wxS_IXUSR,
wxPOSIX_GROUP_READ = wxS_IRGRP,
wxPOSIX_GROUP_WRITE = wxS_IWGRP,
wxPOSIX_GROUP_EXECUTE = wxS_IXGRP,
wxPOSIX_OTHERS_READ = wxS_IROTH,
wxPOSIX_OTHERS_WRITE = wxS_IWOTH,
wxPOSIX_OTHERS_EXECUTE = wxS_IXOTH,
//@}
/// Default mode for the new files: allow reading/writing them to everybody but
/// the effective file mode will be set after anding this value with umask and
/// so won't include wxS_IW{GRP,OTH} for the default 022 umask value
wxS_DEFAULT = (wxPOSIX_USER_READ | wxPOSIX_USER_WRITE | \
wxPOSIX_GROUP_READ | wxPOSIX_GROUP_WRITE | \
wxPOSIX_OTHERS_READ | wxPOSIX_OTHERS_WRITE),
/// Default mode for the new directories (see wxFileName::Mkdir): allow
/// reading/writing/executing them to everybody, but just like wxS_DEFAULT
/// the effective directory mode will be set after anding this value with umask
wxS_DIR_DEFAULT = (wxPOSIX_USER_READ | wxPOSIX_USER_WRITE | wxPOSIX_USER_EXECUTE | \
wxPOSIX_GROUP_READ | wxPOSIX_GROUP_WRITE | wxPOSIX_GROUP_EXECUTE | \
wxPOSIX_OTHERS_READ | wxPOSIX_OTHERS_WRITE | wxPOSIX_OTHERS_EXECUTE)
};
@@ -274,8 +305,8 @@ public:
If the file already exists, setting @b overwrite to @true will ensure
it is overwritten.
@a access may be an OR combination of the file access values
like ::wxS_IRUSR, ::wxS_IWUSR, etc, etc.
@a access may be an OR combination of the ::wxPosixPermissions enumeration
values.
*/
bool Create(const wxString& filename,
bool overwrite = false,
@@ -343,9 +374,12 @@ public:
The filename.
@param mode
The mode in which to open the file.
@param access
An OR-combination of wxPosixPermissions enumeration values.
*/
bool Open(const wxString& filename,
wxFile::OpenMode mode = wxFile::read);
wxFile::OpenMode mode = wxFile::read,
int access = wxS_DEFAULT);
/**
Reads from the file into a memory buffer.