pegasus/src/Pegasus/Common/FileSystem.h - diff

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Diff for /pegasus/src/Pegasus/Common/FileSystem.h between version 1.19 and 1.47

version 1.19, 2002/06/01 00:56:31

version 1.47, 2007/02/13 18:30:58

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//%/////////////////////////////////////////////////////////////////////////////

//%2006////////////////////////////////////////////////////////////////////////

// The Open Group, Tivoli Systems

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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//==============================================================================

// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By:

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_FileSystem_h

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#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/String.h>

#include <Pegasus/Common/Array.h>

#include <Pegasus/Common/ArrayInternal.h>

#include <Pegasus/Common/Exception.h>

#include <Pegasus/Common/InternalException.h>

#include <Pegasus/Common/System.h>

#include <Pegasus/Common/Linkage.h>

#include <fstream>

#include <cstdio>

#if defined(PEGASUS_OS_OS400)

#include "EBCDIC_OS400.h"

#endif

#include <Pegasus/Common/Buffer.h>

PEGASUS_NAMESPACE_BEGIN

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@exception CannotOpenFile

static void loadFileToMemory(

Array<Sint8>& array,

Buffer& array,

const String& fileName);

/** Determines whether two files have exactly the same content.

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static void translateSlashes(String& path);

/** Get an absolute path from an absolute directory and a relative or

absolute file name. If the file name is fully specified, it is

returned unchanged. Otherwise, the specified directory is prepended

to the file name.

static String getAbsolutePath(const char* path, const String& filename);

/** Return the just the filename to the file name into base.

static String extractFileName(const String& base);

/** Return the just the path to the file name into path.

static String extractFilePath(const String& path);

/** Changes file permissions on the given file.

@param path path of the file.

@param mode the bit-wise inclusive OR of the values for the

desired permissions.

@return true on success, false on error and errno is set appropriately.

static Boolean changeFilePermissions(const String& path, mode_t mode);

/**

Return OS path specific delimiter.

@return delimiter specific to the platform

static String getPathDelimiter();

/**

Returns the absolute pathname for the specified filename.

@param paths directories seperated by an OS specific delimiter to search

@param filename filename to search for in the paths

@return the full absolute pathname to the found filename or an empty

string on failure.

static String getAbsoluteFileName(

const String& paths,

const String& filename);

/**

Convert a library name to its corresponding file name by adding the

appropriate prefix and suffix.

@param libraryName The name of the library for which to build the file

name.

@return The file name corresponding to the specified library name.

static String buildLibraryFileName(const String &libraryName);

static Boolean changeFileOwner(

const String& fileName,

const String& userName);

/**

Flushes the data from the iostream buffers to the OS buffers and

then flushes the data from the OS buffers to the disk.

This will avoid the possible data loss in case of an OS crash when

OS filesystem commit directory-level changes immediately while

file-level changes remain cached (e.g. HP-UX).

@param fstream. The iostream that we want to flush data.

static void syncWithDirectoryUpdates(PEGASUS_STD(fstream)&);

private:

FileSystem() { }

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return FileSystem::getFileSize(realPath, size);

}

inline String FileSystem::getAbsolutePath(

const char* path,

const String& filename)

{

String absolutePath;

if (filename != String::EMPTY)

{

if (!System::is_absolute_path(filename.getCString()) && path && path[0])

{

absolutePath.append(path);

absolutePath.append('/');

}

absolutePath.append(filename);

}

translateSlashes(absolutePath);

return absolutePath;

}

inline Boolean Open(PEGASUS_STD(ifstream)& is, const String& path)

{

char* tmpPath = path.allocateCString();

#if defined(PEGASUS_OS_OS400)

is.open(tmpPath);

is.open(path.getCString(), PEGASUS_STD(_CCSID_T(1208)));

delete [] tmpPath;

#else

is.open(path.getCString());

#endif

return !!is;

}

inline Boolean Open(PEGASUS_STD(ofstream)& os, const String& path)

{

char* tmpPath = path.allocateCString();

#if defined(PEGASUS_OS_OS400)

os.open(tmpPath);

os.open(path.getCString(), PEGASUS_STD(_CCSID_T(1208)));

delete [] tmpPath;

#else

os.open(path.getCString());

#endif

return !!os;

}

inline Boolean OpenAppend(PEGASUS_STD(ofstream)& os, const String& path)

{

char* tmpPath = path.allocateCString();

#if defined(PEGASUS_OS_OS400)

os.open(tmpPath, PEGASUS_STD(ios::app));

os.open(

delete [] tmpPath;

path.getCString(), PEGASUS_STD(ios::app), PEGASUS_STD(_CCSID_T(1208)));

#else

os.open(path.getCString(), PEGASUS_STD(ios::app));

#endif

return !!os;

}

inline String FileSystem::getPathDelimiter()

{

#if defined(PEGASUS_OS_TYPE_WINDOWS)

return String(";");

#else

return String(":");

#endif

}

/** Get the next line from the input file.

PEGASUS_COMMON_LINKAGE Boolean GetLine(PEGASUS_STD(istream)& is, String& line);

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Removed from v.1.19
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	Added in v.1.47

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