pjs/xpcom/io/nsSpecialSystemDirectory.cpp

751 строка
20 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code,
* released March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributors:
* Doug Turner <dougt@netscape.com>
*/
#include "nsSpecialSystemDirectory.h"
#include "nsDebug.h"
#ifdef XP_MAC
#include <Folders.h>
#include <Files.h>
#include <Memory.h>
#include <Processes.h>
#elif defined(XP_PC)
#include <windows.h>
#include <shlobj.h>
#include <stdlib.h>
#include <stdio.h>
#elif defined(XP_UNIX)
#include <unistd.h>
#include <stdlib.h>
#include <sys/param.h>
#include "prenv.h"
#elif defined(XP_BEOS)
#include <FindDirectory.h>
#include <Path.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/param.h>
#include <OS.h>
#include <image.h>
#include "prenv.h"
#endif
#include "plstr.h"
#include "nsHashtable.h"
#include "prlog.h"
class SystemDirectoriesKey : public nsHashKey {
public:
SystemDirectoriesKey(nsSpecialSystemDirectory::SystemDirectories newKey) : sdKey(newKey) {}
virtual PRUint32 HashValue(void) const
{
return PRUint32(sdKey);
}
virtual PRBool Equals(const nsHashKey *aKey) const
{
nsSpecialSystemDirectory::SystemDirectories other =
((SystemDirectoriesKey*)aKey)->sdKey;
return other == sdKey;
}
virtual nsHashKey *Clone(void) const
{
return new SystemDirectoriesKey(sdKey);
}
private:
nsSpecialSystemDirectory::SystemDirectories sdKey; // sd for SystemDirectories
};
#define NS_SYSTEMDIR_HASH_NUM (10)
static nsHashtable *systemDirectoriesLocations = NULL;
#if XP_PC
//----------------------------------------------------------------------------------------
static char* MakeUpperCase(char* aPath)
//----------------------------------------------------------------------------------------
{
// windows does not care about case. push to uppercase:
int length = strlen(aPath);
for (int i = 0; i < length; i++)
if (islower(aPath[i]))
aPath[i] = _toupper(aPath[i]);
return aPath;
}
//----------------------------------------------------------------------------------------
static void GetWindowsFolder(int folder, nsFileSpec& outDirectory)
//----------------------------------------------------------------------------------------
{
LPMALLOC pMalloc = NULL;
LPSTR pBuffer = NULL;
LPITEMIDLIST pItemIDList = NULL;
int len;
// Get the shell's allocator.
if (!SUCCEEDED(SHGetMalloc(&pMalloc)))
return;
// Allocate a buffer
if ((pBuffer = (LPSTR) pMalloc->Alloc(MAX_PATH + 2)) == NULL)
return;
// Get the PIDL for the folder.
if (!SUCCEEDED(SHGetSpecialFolderLocation(
NULL, folder, &pItemIDList)))
goto Clean;
if (!SUCCEEDED(SHGetPathFromIDList(pItemIDList, pBuffer)))
goto Clean;
// Append the trailing slash
len = PL_strlen(pBuffer);
pBuffer[len] = '\\';
pBuffer[len + 1] = '\0';
// Assign the directory
outDirectory = MakeUpperCase(pBuffer);
Clean:
// Clean up.
if (pItemIDList)
pMalloc->Free(pItemIDList);
if (pBuffer)
pMalloc->Free(pBuffer);
} // GetWindowsFolder
#endif // XP_PC
//----------------------------------------------------------------------------------------
static void GetCurrentWorkingDirectory(nsFileSpec& aFileSpec)
//----------------------------------------------------------------------------------------
{
aFileSpec = ".";
return;
} // GetCurrentWorkingDirectory
//----------------------------------------------------------------------------------------
static void GetCurrentProcessDirectory(nsFileSpec& aFileSpec)
//----------------------------------------------------------------------------------------
{
#ifdef XP_PC
char buf[MAX_PATH];
if ( ::GetModuleFileName(0, buf, sizeof(buf)) ) {
// chop of the executable name by finding the rightmost backslash
char* lastSlash = PL_strrchr(buf, '\\');
if (lastSlash)
*(lastSlash + 1) = '\0';
aFileSpec = buf;
return;
}
#elif defined(XP_MAC)
// get info for the the current process to determine the directory
// its located in
OSErr err;
ProcessSerialNumber psn;
if (!(err = GetCurrentProcess(&psn)))
{
ProcessInfoRec pInfo;
FSSpec tempSpec;
// initialize ProcessInfoRec before calling
// GetProcessInformation() or die horribly.
pInfo.processName = nil;
pInfo.processAppSpec = &tempSpec;
pInfo.processInfoLength = sizeof(ProcessInfoRec);
if (!(err = GetProcessInformation(&psn, &pInfo)))
{
FSSpec appFSSpec = *(pInfo.processAppSpec);
long theDirID = appFSSpec.parID;
Str255 name;
CInfoPBRec catInfo;
catInfo.dirInfo.ioCompletion = NULL;
catInfo.dirInfo.ioNamePtr = (StringPtr)&name;
catInfo.dirInfo.ioVRefNum = appFSSpec.vRefNum;
catInfo.dirInfo.ioDrDirID = theDirID;
catInfo.dirInfo.ioFDirIndex = -1; // -1 = query dir in ioDrDirID
if (!(err = PBGetCatInfoSync(&catInfo)))
{
aFileSpec = nsFileSpec(appFSSpec.vRefNum,
catInfo.dirInfo.ioDrParID,
name,
PR_TRUE);
return;
}
}
}
#elif defined(XP_UNIX)
// In the absence of a good way to get the executable directory let
// us try this for unix:
// - if MOZILLA_FIVE_HOME is defined, that is it
// - else give the current directory
char buf[MAXPATHLEN];
char *moz5 = PR_GetEnv("MOZILLA_FIVE_HOME");
if (moz5)
{
aFileSpec = moz5;
return;
}
else
{
static PRBool firstWarning = PR_TRUE;
if(firstWarning) {
// Warn that MOZILLA_FIVE_HOME not set, once.
printf("Warning: MOZILLA_FIVE_HOME not set.\n");
firstWarning = PR_FALSE;
}
// Fall back to current directory.
if (getcwd(buf, sizeof(buf)))
{
aFileSpec = buf;
return;
}
}
#elif defined(XP_BEOS)
char *moz5 = getenv("MOZILLA_FIVE_HOME");
if (moz5)
{
aFileSpec = moz5;
return;
}
else
{
static char buf[MAXPATHLEN];
int32 cookie = 0;
image_info info;
char *p;
*buf = 0;
if(get_next_image_info(0, &cookie, &info) == B_OK)
{
strcpy(buf, info.name);
if((p = strrchr(buf, '/')) != 0)
{
*p = 0;
aFileSpec = buf;
return;
}
}
}
#endif
NS_ERROR("unable to get current process directory");
} // GetCurrentProcessDirectory()
//nsSpecialSystemDirectory::nsSpecialSystemDirectory()
//: nsFileSpec(nsnull)
//{
//}
//----------------------------------------------------------------------------------------
nsSpecialSystemDirectory::nsSpecialSystemDirectory(SystemDirectories aSystemSystemDirectory)
//----------------------------------------------------------------------------------------
: nsFileSpec(nsnull)
{
*this = aSystemSystemDirectory;
}
//----------------------------------------------------------------------------------------
nsSpecialSystemDirectory::~nsSpecialSystemDirectory()
//----------------------------------------------------------------------------------------
{
// XXX [MLK] need to delete hash table and its contents
}
//----------------------------------------------------------------------------------------
void nsSpecialSystemDirectory::operator = (SystemDirectories aSystemSystemDirectory)
//----------------------------------------------------------------------------------------
{
SystemDirectoriesKey dirKey(aSystemSystemDirectory);
*this = (const char*)nsnull;
switch (aSystemSystemDirectory)
{
case OS_DriveDirectory:
#ifdef XP_PC
{
char path[_MAX_PATH];
PRInt32 len = GetWindowsDirectory( path, _MAX_PATH );
if (len)
{
if ( path[1] == ':' && path[2] == '\\' )
path[3] = 0;
}
*this = MakeUpperCase(path);
}
#elif defined(XP_MAC)
{
*this = kVolumeRootFolderType;
}
#else
*this = "/";
#endif
break;
case OS_TemporaryDirectory:
#ifdef XP_PC
{
char path[_MAX_PATH];
DWORD len = GetTempPath(_MAX_PATH, path);
*this = MakeUpperCase(path);
}
#elif defined(XP_MAC)
*this = kTemporaryFolderType;
#elif defined(XP_UNIX) || defined(XP_BEOS)
{
char *tPath = PR_GetEnv("TMPDIR");
if (!tPath || PL_strlen(tPath) == 0)
*this = "/tmp/";
else
*this = tPath;
}
#endif
break;
case OS_CurrentProcessDirectory:
GetCurrentProcessDirectory(*this);
break;
case OS_CurrentWorkingDirectory:
GetCurrentWorkingDirectory(*this);
break;
case XPCOM_CurrentProcessComponentRegistry:
{
nsFileSpec *dirSpec = NULL;
if (systemDirectoriesLocations)
{
dirSpec = (nsFileSpec *) systemDirectoriesLocations->Get(&dirKey);
}
if (dirSpec)
{
*this = *dirSpec;
}
else
{
GetCurrentProcessDirectory(*this);
// XXX We need to unify these names across all platforms
#ifdef XP_MAC
*this += "Component Registry";
#else
*this += "component.reg";
#endif /* XP_MAC */
}
}
break;
case XPCOM_CurrentProcessComponentDirectory:
{
nsFileSpec *dirSpec = NULL;
if (systemDirectoriesLocations)
{
dirSpec = (nsFileSpec *) systemDirectoriesLocations->Get(&dirKey);
}
if (dirSpec)
{
*this = *dirSpec;
}
else
{
// <exedir>/Components
GetCurrentProcessDirectory(*this);
// XXX We need to unify these names across all platforms
#ifdef XP_MAC
*this += "Components";
#else
*this += "components";
#endif /* XP_MAC */
}
}
break;
#ifdef XP_MAC
case Mac_SystemDirectory:
*this = kSystemFolderType;
break;
case Mac_DesktopDirectory:
*this = kDesktopFolderType;
break;
case Mac_TrashDirectory:
*this = kTrashFolderType;
break;
case Mac_StartupDirectory:
*this = kStartupFolderType;
break;
case Mac_ShutdownDirectory:
*this = kShutdownFolderType;
break;
case Mac_AppleMenuDirectory:
*this = kAppleMenuFolderType;
break;
case Mac_ControlPanelDirectory:
*this = kControlPanelFolderType;
break;
case Mac_ExtensionDirectory:
*this = kExtensionFolderType;
break;
case Mac_FontsDirectory:
*this = kFontsFolderType;
break;
case Mac_PreferencesDirectory:
*this = kPreferencesFolderType;
break;
case Mac_DocumentsDirectory:
*this = kDocumentsFolderType;
break;
case Mac_InternetSearchDirectory:
*this = kInternetSearchSitesFolderType;
break;
#endif
#ifdef XP_PC
case Win_SystemDirectory:
{
char path[_MAX_PATH];
PRInt32 len = GetSystemDirectory( path, _MAX_PATH );
// Need enough space to add the trailing backslash
if (len > _MAX_PATH-2)
break;
path[len] = '\\';
path[len+1] = '\0';
*this = MakeUpperCase(path);
break;
}
case Win_WindowsDirectory:
{
char path[_MAX_PATH];
PRInt32 len = GetWindowsDirectory( path, _MAX_PATH );
// Need enough space to add the trailing backslash
if (len > _MAX_PATH-2)
break;
path[len] = '\\';
path[len+1] = '\0';
*this = MakeUpperCase(path);
break;
}
case Win_HomeDirectory:
{
char path[_MAX_PATH];
if (GetEnvironmentVariable(TEXT("HOMEDRIVE"), path, _MAX_PATH) >= 0)
{
char temp[_MAX_PATH];
if (GetEnvironmentVariable(TEXT("HOMEPATH"), temp, _MAX_PATH) > 0)
PL_strcatn(path, _MAX_PATH, temp);
PRInt32 len = PL_strlen(path);
// Need enough space to add the trailing backslash
if (len > _MAX_PATH - 2)
break;
path[len] = '\\';
path[len+1] = '\0';
}
*this = MakeUpperCase(path);
break;
}
case Win_Desktop:
{
GetWindowsFolder(CSIDL_DESKTOP, *this);
break;
}
case Win_Programs:
{
GetWindowsFolder(CSIDL_PROGRAMS, *this);
break;
}
case Win_Controls:
{
GetWindowsFolder(CSIDL_CONTROLS, *this);
break;
}
case Win_Printers:
{
GetWindowsFolder(CSIDL_PRINTERS, *this);
break;
}
case Win_Personal:
{
GetWindowsFolder(CSIDL_PERSONAL, *this);
break;
}
case Win_Favorites:
{
GetWindowsFolder(CSIDL_FAVORITES, *this);
break;
}
case Win_Startup:
{
GetWindowsFolder(CSIDL_STARTUP, *this);
break;
}
case Win_Recent:
{
GetWindowsFolder(CSIDL_RECENT, *this);
break;
}
case Win_Sendto:
{
GetWindowsFolder(CSIDL_SENDTO, *this);
break;
}
case Win_Bitbucket:
{
GetWindowsFolder(CSIDL_BITBUCKET, *this);
break;
}
case Win_Startmenu:
{
GetWindowsFolder(CSIDL_STARTMENU, *this);
break;
}
case Win_Desktopdirectory:
{
GetWindowsFolder(CSIDL_DESKTOPDIRECTORY, *this);
break;
}
case Win_Drives:
{
GetWindowsFolder(CSIDL_DRIVES, *this);
break;
}
case Win_Network:
{
GetWindowsFolder(CSIDL_NETWORK, *this);
break;
}
case Win_Nethood:
{
GetWindowsFolder(CSIDL_NETHOOD, *this);
break;
}
case Win_Fonts:
{
GetWindowsFolder(CSIDL_FONTS, *this);
break;
}
case Win_Templates:
{
GetWindowsFolder(CSIDL_TEMPLATES, *this);
break;
}
case Win_Common_Startmenu:
{
GetWindowsFolder(CSIDL_COMMON_STARTMENU, *this);
break;
}
case Win_Common_Programs:
{
GetWindowsFolder(CSIDL_COMMON_PROGRAMS, *this);
break;
}
case Win_Common_Startup:
{
GetWindowsFolder(CSIDL_COMMON_STARTUP, *this);
break;
}
case Win_Common_Desktopdirectory:
{
GetWindowsFolder(CSIDL_COMMON_DESKTOPDIRECTORY, *this);
break;
}
case Win_Appdata:
{
GetWindowsFolder(CSIDL_APPDATA, *this);
break;
}
case Win_Printhood:
{
GetWindowsFolder(CSIDL_PRINTHOOD, *this);
break;
}
#endif // XP_PC
#ifdef XP_UNIX
case Unix_LocalDirectory:
*this = "/usr/local/netscape/";
break;
case Unix_LibDirectory:
*this = "/usr/local/lib/netscape/";
break;
case Unix_HomeDirectory:
*this = PR_GetEnv("HOME");
break;
#endif
#ifdef XP_BEOS
case BeOS_SettingsDirectory:
{
BPath p;
if(find_directory(B_USER_SETTINGS_DIRECTORY, &p) == B_OK)
*this = p.Path();
else
*this = "/boot/home/config/settings";
break;
}
case BeOS_HomeDirectory:
{
BPath p;
if(find_directory(B_USER_DIRECTORY, &p) == B_OK)
*this = p.Path();
else
*this = "/boot/home";
break;
}
case BeOS_DesktopDirectory:
{
BPath p;
if(find_directory(B_DESKTOP_DIRECTORY, &p) == B_OK)
*this = p.Path();
else
*this = "/boot/home/Desktop";
}
#endif
default:
break;
}
}
// XXX what does this return value mean?! It isn't checked anywhere,
// and a NULL return from the hashtable->Put() isn't an error.
PRBool
nsSpecialSystemDirectory::Set(SystemDirectories dirToSet, nsFileSpec *dirSpec)
{
PRBool rc = PR_FALSE;
SystemDirectoriesKey dirKey(dirToSet);
PR_ASSERT(NULL != dirSpec);
if (NULL == systemDirectoriesLocations) {
systemDirectoriesLocations = new nsHashtable(NS_SYSTEMDIR_HASH_NUM);
}
PR_ASSERT(NULL != systemDirectoriesLocations);
nsFileSpec *newSpec = new nsFileSpec(*dirSpec);
if (newSpec && NULL != systemDirectoriesLocations->Put(&dirKey, newSpec)) {
rc = PR_TRUE;
}
return rc;
}
#ifdef XP_MAC
//----------------------------------------------------------------------------------------
nsSpecialSystemDirectory::nsSpecialSystemDirectory(OSType folderType)
//----------------------------------------------------------------------------------------
{
*this = folderType;
}
//----------------------------------------------------------------------------------------
void nsSpecialSystemDirectory::operator = (OSType folderType)
//----------------------------------------------------------------------------------------
{
CInfoPBRec cinfo;
DirInfo *dipb=(DirInfo *)&cinfo;
// Call FindFolder to fill in the vrefnum and dirid
for (int attempts = 0; attempts < 2; attempts++)
{
mError = NS_FILE_RESULT(
FindFolder(
kOnSystemDisk,
folderType,
true,
&dipb->ioVRefNum,
&dipb->ioDrDirID));
if (NS_SUCCEEDED(mError))
break;
if (attempts > 0)
return;
switch (folderType)
{
case kDocumentsFolderType:
// Find folder will find this, as long as it exists.
// The "create" parameter, however, is sadly ignored.
// How do we internationalize this?
*this = kVolumeRootFolderType;
*this += "Documents";
CreateDirectory();
break;
} // switch
} // for
StrFileName filename;
filename[0] = '\0';
dipb->ioNamePtr = (StringPtr)&filename;
dipb->ioFDirIndex = -1;
mError = NS_FILE_RESULT(PBGetCatInfoSync(&cinfo));
if (NS_SUCCEEDED(mError))
{
mError = NS_FILE_RESULT(FSMakeFSSpec(dipb->ioVRefNum, dipb->ioDrParID, filename, &mSpec));
}
}
#endif // XP_MAC