зеркало из https://github.com/mozilla/pjs.git
453 строки
11 KiB
C++
453 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (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.org code.
|
|
*
|
|
* 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.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsDirectoryService.h"
|
|
#include "nsILocalFile.h"
|
|
#include "nsLocalFile.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
|
|
|
|
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#define COMPONENT_REGISTRY_NAME "Component Registry"
|
|
#define COMPONENT_DIRECTORY "Components"
|
|
#else
|
|
#define COMPONENT_REGISTRY_NAME "component.reg"
|
|
#define COMPONENT_DIRECTORY "components"
|
|
#endif
|
|
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
static nsresult GetCurrentProcessDirectory(nsILocalFile** aFile)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// Set the component registry location:
|
|
nsresult rv;
|
|
nsCOMPtr<nsIProperties> dirService;
|
|
rv = nsDirectoryService::Create(nsnull,
|
|
NS_GET_IID(nsIProperties),
|
|
getter_AddRefs(dirService)); // needs to be around for life of product
|
|
|
|
if (dirService)
|
|
{
|
|
nsCOMPtr <nsILocalFile> aLocalFile;
|
|
dirService->Get("xpcom.currentProcessDirectory", NS_GET_IID(nsILocalFile), getter_AddRefs(aLocalFile));
|
|
if (aLocalFile)
|
|
{
|
|
*aFile = aLocalFile;
|
|
NS_ADDREF(*aFile);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
nsLocalFile* localFile = new nsLocalFile;
|
|
|
|
if (localFile == nsnull)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(localFile);
|
|
|
|
|
|
|
|
#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';
|
|
|
|
localFile->InitWithPath(buf);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
|
|
#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);
|
|
|
|
// Truncate the nsame so the spec is just to the app directory
|
|
appFSSpec.name[0] = 0;
|
|
|
|
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface((nsIFile*)localFile);
|
|
if (localFileMac)
|
|
{
|
|
localFileMac->InitWithFSSpec(&appFSSpec);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
#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)
|
|
{
|
|
localFile->InitWithPath(moz5);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
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)))
|
|
{
|
|
localFile->InitWithPath(buf);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
#elif defined(XP_BEOS)
|
|
|
|
char *moz5 = getenv("MOZILLA_FIVE_HOME");
|
|
if (moz5)
|
|
{
|
|
localFile->InitWithPath(moz5);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
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;
|
|
localFile->InitWithPath(buf);
|
|
*aFile = localFile;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
if (localFile)
|
|
delete localFile;
|
|
|
|
NS_ERROR("unable to get current process directory");
|
|
return NS_ERROR_FAILURE;
|
|
} // GetCurrentProcessDirectory()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
nsDirectoryService* nsDirectoryService::mService = nsnull;
|
|
|
|
nsDirectoryService::nsDirectoryService()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mHashtable = new nsHashtable(256, PR_TRUE);
|
|
NS_ASSERTION(mHashtable != NULL, "hashtable null error");
|
|
|
|
NS_NewISupportsArray(getter_AddRefs(mProviders));
|
|
NS_ASSERTION(mProviders.get() != NULL, "providers null error");
|
|
|
|
RegisterProvider(NS_STATIC_CAST(nsIDirectoryServiceProvider*, this));
|
|
}
|
|
|
|
NS_METHOD
|
|
nsDirectoryService::Create(nsISupports *outer, REFNSIID aIID, void **aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
if (mService == nsnull)
|
|
{
|
|
mService = new nsDirectoryService();
|
|
if (mService == NULL)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return mService->QueryInterface(aIID, aResult);
|
|
}
|
|
|
|
PRBool
|
|
nsDirectoryService::ReleaseValues(nsHashKey* key, void* data, void* closure)
|
|
{
|
|
nsISupports* value = (nsISupports*)data;
|
|
NS_IF_RELEASE(value);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
nsDirectoryService::~nsDirectoryService()
|
|
{
|
|
if (mHashtable)
|
|
mHashtable->Enumerate(ReleaseValues);
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS3(nsDirectoryService, nsIProperties, nsIDirectoryService, nsIDirectoryServiceProvider)
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::Define(const char* prop, nsISupports* initialValue)
|
|
{
|
|
return Set(prop, initialValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::Undefine(const char* prop)
|
|
{
|
|
nsStringKey key(prop);
|
|
if (!mHashtable->Exists(&key))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsISupports* prevValue = (nsISupports*)mHashtable->Remove(&key);
|
|
NS_IF_RELEASE(prevValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
typedef struct FileData
|
|
|
|
{
|
|
const char* property;
|
|
nsIFile* file;
|
|
PRBool persistant;
|
|
|
|
} FileData;
|
|
|
|
static PRBool FindProviderFile(nsISupports* aElement, void *aData)
|
|
{
|
|
nsCOMPtr<nsIDirectoryServiceProvider> prov = do_QueryInterface(aElement);
|
|
if (!prov)
|
|
return PR_FALSE;
|
|
|
|
FileData* fileData = (FileData*)aData;
|
|
prov->GetFile(fileData->property, &fileData->persistant, &(fileData->file) );
|
|
if (fileData->file)
|
|
return PR_FALSE;
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::Get(const char* prop, const nsIID & uuid, void* *result)
|
|
{
|
|
nsStringKey key(prop);
|
|
if (!mHashtable->Exists(&key))
|
|
{
|
|
// it is not one of our defaults, lets check any providers
|
|
FileData fileData;
|
|
fileData.property = prop;
|
|
fileData.file = nsnull;
|
|
fileData.persistant = PR_TRUE;
|
|
|
|
mProviders->EnumerateForwards(FindProviderFile, &fileData);
|
|
|
|
if (fileData.file)
|
|
{
|
|
if (!fileData.persistant)
|
|
{
|
|
nsresult rv = (fileData.file)->QueryInterface(uuid, result);
|
|
NS_RELEASE(fileData.file);
|
|
return rv;
|
|
}
|
|
Set(prop, NS_STATIC_CAST(nsIFile*, fileData.file));
|
|
NS_RELEASE(fileData.file);
|
|
}
|
|
}
|
|
|
|
|
|
// now check again to see if it was added above.
|
|
if (mHashtable->Exists(&key))
|
|
{
|
|
nsCOMPtr<nsIFile> ourFile;
|
|
nsISupports* value = (nsISupports*)mHashtable->Get(&key);
|
|
|
|
if (value && NS_SUCCEEDED(value->QueryInterface(NS_GET_IID(nsIFile), getter_AddRefs(ourFile))))
|
|
{
|
|
nsCOMPtr<nsIFile> cloneFile;
|
|
ourFile->Clone(getter_AddRefs(cloneFile));
|
|
return cloneFile->QueryInterface(uuid, result);
|
|
}
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::Set(const char* prop, nsISupports* value)
|
|
{
|
|
nsStringKey key(prop);
|
|
if (mHashtable->Exists(&key) || value == nsnull)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIFile> ourFile;
|
|
value->QueryInterface(NS_GET_IID(nsIFile), getter_AddRefs(ourFile));
|
|
if (ourFile)
|
|
{
|
|
nsIFile* cloneFile;
|
|
ourFile->Clone(&cloneFile);
|
|
|
|
nsISupports* prevValue = (nsISupports*)mHashtable->Put(&key,
|
|
NS_STATIC_CAST(nsISupports*,cloneFile));
|
|
NS_IF_RELEASE(prevValue);
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::Has(const char *prop, PRBool *_retval)
|
|
{
|
|
*_retval = PR_FALSE;
|
|
nsCOMPtr<nsIFile> value;
|
|
nsresult rv = Get(prop, NS_GET_IID(nsIFile), getter_AddRefs(value));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (value)
|
|
{
|
|
*_retval = PR_TRUE;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::RegisterProvider(nsIDirectoryServiceProvider *prov)
|
|
{
|
|
if (!prov)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsISupports> supports = do_QueryInterface(prov);
|
|
if (supports)
|
|
return mProviders->AppendElement(supports);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDirectoryService::GetFile(const char *prop, PRBool *persistant, nsIFile **_retval)
|
|
{
|
|
nsCOMPtr<nsILocalFile> localFile;
|
|
nsresult rv;
|
|
|
|
*_retval = nsnull;
|
|
*persistant = PR_TRUE;
|
|
|
|
// check to see if it is one of our defaults
|
|
|
|
if (strncmp(prop, "xpcom.currentProcess.componentRegistry", 38) == 0)
|
|
{
|
|
rv = GetCurrentProcessDirectory(getter_AddRefs(localFile));
|
|
if (NS_FAILED(rv)) return rv;
|
|
localFile->Append(COMPONENT_REGISTRY_NAME);
|
|
}
|
|
else if (strncmp(prop, "xpcom.currentProcess.componentDirectory", 39) == 0)
|
|
{
|
|
rv = GetCurrentProcessDirectory(getter_AddRefs(localFile));
|
|
if (NS_FAILED(rv)) return rv;
|
|
localFile->Append(COMPONENT_DIRECTORY);
|
|
}
|
|
|
|
if (localFile)
|
|
return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)_retval);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
|