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

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Diff for /pegasus/src/Pegasus/Common/FileSystem.cpp between version 1.27 and 1.75

version 1.27, 2001/07/10 06:43:25

version 1.75, 2007/11/30 18:23:10

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

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

// 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:

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

#include <iostream>

#include <cstdio>

//#include <cstdio>

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/System.h>

#include "Destroyer.h"

#include <Pegasus/Common/AutoPtr.h>

#include <Executor/Match.h>

#include "FileSystem.h"

#include "System.h"

#include "Dir.h"

#ifndef PEGASUS_OS_TYPE_WINDOWS

#include <pwd.h>

#endif

#include <Pegasus/Common/Tracer.h>

PEGASUS_NAMESPACE_BEGIN

// Clone the path as a C String but discard trailing slash if any:

static char* _clonePath(const String& path)

static CString _clonePath(const String& path)

{

char* p = path.allocateCString();

String clone = path;

if (!*p)

if (clone.size() && clone[clone.size()-1] == '/')

return p;

clone.remove(clone.size()-1);

char* last = p + path.size() - 1;

return clone.getCString();

if (*last == '/')

*last = '\0';

return p;

}

Boolean FileSystem::exists(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::exists(_clonePath(path));

return System::exists(p.getPointer());

}

Boolean FileSystem::getCurrentDirectory(String& path)

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Boolean FileSystem::existsNoCase(const String& path, String& realPath)

{

#if !defined(PEGASUS_OS_VMS) && !defined(PEGASUS_OS_TYPE_WINDOWS)

// If a file exists that has the same case as the path parmater,

// then we can bypass the expensive directory scanning below.

if (FileSystem::exists(path))

{

realPath = path;

return true;

}

#endif

realPath.clear();

ArrayDestroyer<char> destroyer(_clonePath(path));

CString cpath = _clonePath(path);

char* p = destroyer.getPointer();

const char* p = cpath;

const char* dirPath;

char* fileName;

const char* fileName;

char* slash = strrchr(p, '/');

char* slash = (char *) strrchr(p, '/');

if (slash)

{

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for (Dir dir(dirPath); dir.more(); dir.next())

{

if (CompareNoCase(fileName, dir.getName()) == 0)

if (System::strcasecmp(fileName, dir.getName()) == 0)

{

if (strcmp(dirPath, ".") == 0)

realPath = dir.getName();

else

{

realPath = dirPath;

realPath += '/';

realPath.append('/');

realPath += dir.getName();

realPath.append(dir.getName());

}

return true;

}

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Boolean FileSystem::canRead(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::canRead(_clonePath(path));

return System::canRead(p.getPointer());

}

Boolean FileSystem::canWrite(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::canWrite(_clonePath(path));

return System::canWrite(p.getPointer());

}

Boolean FileSystem::getFileSize(const String& path, Uint32& size)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::getFileSize(_clonePath(path), size);

return System::getFileSize(p.getPointer(), size);

}

Boolean FileSystem::removeFile(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::removeFile(_clonePath(path));

return System::removeFile(p.getPointer());

}

void FileSystem::loadFileToMemory(

Array<Sint8>& array,

Buffer& array,

const String& fileName)

{

Uint32 fileSize;

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if (!getFileSize(fileName, fileSize))

throw CannotOpenFile(fileName);

char* tmp = fileName.allocateCString();

FILE* fp = fopen(fileName.getCString(), "rb");

FILE* fp = fopen(tmp, "rb");

delete [] tmp;

if (fp == NULL)

throw CannotOpenFile(fileName);

array.reserve(fileSize);

array.reserveCapacity(fileSize);

char buffer[4096];

size_t n;

while ((n = fread(buffer, 1, sizeof(buffer), fp)) > 0)

array.append(buffer, n);

array.append(buffer, static_cast<Uint32>(n));

fclose(fp);

}

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if (fileSize1 != fileSize2)

return false;

char* tmp1 = path1.allocateCString();

FILE* fp1 = fopen(path1.getCString(), "rb");

FILE* fp1 = fopen(tmp1, "rb");

delete [] tmp1;

if (fp1 == NULL)

throw CannotOpenFile(path1);

char* tmp2 = path2.allocateCString();

FILE* fp2 = fopen(path2.getCString(), "rb");

FILE* fp2 = fopen(tmp2, "rb");

delete [] tmp2;

if (fp2 == NULL)

{

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const String& oldPath,

const String& newPath)

{

ArrayDestroyer<char> p(oldPath.allocateCString());

return System::renameFile(oldPath.getCString(), newPath.getCString());

ArrayDestroyer<char> q(newPath.allocateCString());

}

return System::renameFile(p.getPointer(), q.getPointer());

Boolean FileSystem::copyFile(

const String& fromPath,

const String& toPath)

{

return System::copyFile(fromPath.getCString(), toPath.getCString());

}

Boolean FileSystem::openNoCase(PEGASUS_STD(ifstream)& is, const String& path)

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if (!existsNoCase(path, realPath))

return false;

ArrayDestroyer<char> p(_clonePath(path));

is.open(_clonePath(realPath) PEGASUS_IOS_BINARY);

is.open(p.getPointer() PEGASUS_IOS_BINARY);

return !!is;

return is != 0;

}

Boolean FileSystem::openNoCase(

PEGASUS_STD(fstream)& fs,

const String& path,

int mode)

{

String realPath;

if (!existsNoCase(path, realPath))

return false;

#if defined(__GNUC__) && GCC_VERSION >= 30200

fs.open(_clonePath(realPath), PEGASUS_STD(ios_base::openmode)(mode));

#else

fs.open(_clonePath(realPath), mode);

#endif

return !!fs;

}

Boolean FileSystem::isDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::isDirectory(_clonePath(path));

return System::isDirectory(p.getPointer());

}

Boolean FileSystem::changeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::changeDirectory(_clonePath(path));

return System::changeDirectory(p.getPointer());

}

Boolean FileSystem::makeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::makeDirectory(_clonePath(path));

return System::makeDirectory(p.getPointer());

}

Boolean FileSystem::removeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::removeDirectory(_clonePath(path));

return System::removeDirectory(p.getPointer());

}

Boolean FileSystem::removeDirectoryHier(const String& path)

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void FileSystem::translateSlashes(String& path)

{

for (Char16* p = (Char16*)path.getData(); *p; p++)

for (Uint32 i = 0; i < path.size(); i++)

{

if (path[i] == '\\')

path[i] = '/';

}

// Return the just the base name from the path.

String FileSystem::extractFileName(const String& path)

{

AutoArrayPtr<char> p_path(new char[path.size() + 1]);

String basename = System::extract_file_name(

(const char*)path.getCString(), p_path.get());

return basename;

}

// Return just the path to the file or directory into path

String FileSystem::extractFilePath(const String& path)

{

AutoArrayPtr<char> p_path(new char[path.size() + 1]);

String newpath = System::extract_file_path(

(const char*)path.getCString(), p_path.get());

return newpath;

}

// Changes file permissions on the given file.

Boolean FileSystem::changeFilePermissions(const String& path, mode_t mode)

{

CString tempPath = path.getCString();

return System::changeFilePermissions(tempPath, mode);

}

String FileSystem::getAbsoluteFileName(

const String& paths,

const String& filename)

{

Uint32 pos = 0;

Uint32 token = 0;

String path;

String root;

String tempPath = paths;

{

if ((pos = tempPath.find(FileSystem::getPathDelimiter())) ==

PEG_NOT_FOUND)

{

pos = tempPath.size();

token = 0;

}

else

{

token = 1;

}

path = tempPath.subString(0, pos);

tempPath.remove(0,pos+token);

if (FileSystem::exists(path + "/" + filename) == true)

{

root = path + "/" + filename;

break;

}

else

{

// cout << "File does not exist.\n";

}

} while (tempPath.size() > 0);

return root;

}

String FileSystem::buildLibraryFileName(const String &libraryName)

{

String fileName;

// Add the necessary prefix and suffix to convert the library name to its

// corresponding file name.

#if defined(PEGASUS_OS_TYPE_WINDOWS)

fileName = libraryName + String(".dll");

#elif defined(PEGASUS_PLATFORM_HPUX_PARISC_ACC)

fileName = String("lib") + libraryName + String(".sl");

#elif defined(PEGASUS_OS_DARWIN)

fileName = String("lib") + libraryName + String(".dylib");

#elif defined(PEGASUS_OS_VMS)

fileName = String("lib") + libraryName + String(".exe");

#else

fileName = String("lib") + libraryName + String(".so");

#endif

return fileName;

}

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

{

line.clear();

Boolean gotChar = false;

#ifdef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM

char input[1000];

is.getline(input,1000);

line.assign(input);

gotChar = !(is.rdstate() & PEGASUS_STD(istream)::failbit);

#else

char c;

while (is.get(c))

{

gotChar = true;

if (c == '\n')

break;

line.append(c);

}

#endif

return gotChar;

}

// changes the file owner to one specified

Boolean FileSystem::changeFileOwner(

const String& fileName,

const String& userName)

{

#if defined(PEGASUS_OS_TYPE_WINDOWS)

return true;

#else

PEG_METHOD_ENTER(TRC_AUTHENTICATION, "FileSystem::changeFileOwner()");

struct passwd* userPasswd;

#if defined(PEGASUS_PLATFORM_SOLARIS_SPARC_CC) || \

defined(PEGASUS_OS_HPUX) || \

defined(PEGASUS_OS_LINUX) || \

defined (PEGASUS_OS_VMS)

const unsigned int PWD_BUFF_SIZE = 1024;

struct passwd pwd;

struct passwd *result;

char pwdBuffer[PWD_BUFF_SIZE];

if (getpwnam_r(userName.getCString(), &pwd, pwdBuffer, PWD_BUFF_SIZE,

&userPasswd) != 0)

{

userPasswd = (struct passwd*)NULL;

}

#else

userPasswd = getpwnam(userName.getCString());

#endif

if (userPasswd == NULL)

{

PEG_METHOD_EXIT();

return false;

}

Sint32 ret = chown(

fileName.getCString(), userPasswd->pw_uid, userPasswd->pw_gid);

if (ret == -1)

{

PEG_METHOD_EXIT();

return false;

}

PEG_METHOD_EXIT();

return true;

#endif

}

void FileSystem::syncWithDirectoryUpdates(PEGASUS_STD(fstream)& fs)

{

if (*p == '\\')

#if defined(PEGASUS_OS_HPUX)

*p = '/';

// Writes the data from the iostream buffers to the OS buffers

fs.flush();

// Writes the data from the OS buffers to the disk

fsync(fs.rdbuf()->fd());

#endif

}

Boolean FileSystem::glob(

const String& path,

const String& pattern_,

Array<String>& filenames)

{

filenames.clear();

try

{

CString pattern(pattern_.getCString());

for (Dir dir(path); dir.more(); dir.next())

{

const char* name = dir.getName();

if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)

continue;

if (Match(pattern, name) == 0)

filenames.append(name);

}

catch (CannotOpenDirectory&)

{

return false;

}

return true;

}

PEGASUS_NAMESPACE_END

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Removed from v.1.27
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	Added in v.1.75

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