nsCmdLineService::GetProgramName needs to copy the string to be compliant with the interface definition. Bug 249737, r+sr=jst.

This commit is contained in:
bryner%brianryner.com 2004-07-04 11:01:32 +00:00
Родитель fc1896ade7
Коммит 963572cfc9
2 изменённых файлов: 2 добавлений и 408 удалений

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@ -1,402 +0,0 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsICmdLineService.h"
#include "nsCommandLineService.h"
#include "nsIComponentManager.h"
#include "nsILocalFile.h"
#include "nsString.h"
#include "plstr.h"
#include "nsCRT.h"
#include "nsNetUtil.h"
#ifdef XP_MACOSX
#include "nsCommandLineServiceMac.h"
#endif
nsCmdLineService::nsCmdLineService()
: mArgCount(0), mArgc(0), mArgv(0)
{
}
/*
* Implement the nsISupports methods...
*/
NS_IMPL_ISUPPORTS1(nsCmdLineService, nsICmdLineService)
static void* ProcessURLArg(char* str)
{
// Problem: since the arg parsing code doesn't know which flags
// take arguments, it always calls this method for the last
// non-flag argument. But sometimes that argument is actually
// the arg for the last switch, e.g. -width 500 or -Profile default.
// nsLocalFile will only work on absolute pathnames, so return
// if str doesn't start with '/' or '\'.
if (str && (*str == '\\' || *str == '/'))
{
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), str);
if (NS_FAILED(rv))
{
nsCOMPtr<nsILocalFile> file(do_CreateInstance("@mozilla.org/file/local;1"));
if (file)
{
rv = file->InitWithNativePath(nsDependentCString(str));
if (NS_SUCCEEDED(rv))
{
nsCAutoString fileurl;
rv = NS_GetURLSpecFromFile(file, fileurl);
if (NS_SUCCEEDED(rv))
return NS_REINTERPRET_CAST(void*, ToNewCString(fileurl));
}
}
}
}
return NS_REINTERPRET_CAST(void*, nsCRT::strdup(str));
}
NS_IMETHODIMP
nsCmdLineService::Initialize(int aArgc, char ** aArgv)
{
PRInt32 i=0;
nsresult rv = nsnull;
#ifdef XP_MACOSX
rv = InitializeMacCommandLine(aArgc, aArgv);
NS_ASSERTION(NS_SUCCEEDED(rv), "Initializing AppleEvents failed");
#endif
// Save aArgc and argv
mArgc = aArgc;
mArgv = new char*[ aArgc ];
for(i=0; i<aArgc; i++) {
mArgv[i] = nsCRT::strdup( aArgv[i] ? aArgv[i] : "" );
}
//Insert the program name
if (aArgc > 0 && aArgv[0])
{
mArgList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup("-progname")));
mArgValueList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup(aArgv[0])));
mArgCount++;
i++;
}
for(i=1; i<aArgc; i++) {
if ((aArgv[i][0] == '-')
#if defined(XP_WIN) || defined(XP_OS2)
|| (aArgv[i][0] == '/')
#endif
) {
/* An option that starts with -. May or may not
* have a value after it.
*/
mArgList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup(aArgv[i])));
//Increment the index to look ahead at the next option.
i++;
//Look ahead if this option has a value like -w 60
if (i == aArgc) {
/* All args have been parsed. Append a PR_TRUE for the
* previous option in the mArgValueList
*/
mArgValueList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup("1")));
mArgCount++;
break;
}
if ((aArgv[i][0] == '-')
#if defined(XP_WIN) || defined(XP_OS2)
|| (aArgv[i][0] == '/')
#endif
) {
/* An other option. The previous one didn't have a value.
* So, store the previous one's value as PR_TRUE in the
* mArgValue array and retract the index so that this option
* will get stored in the next iteration
*/
mArgValueList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup("1")));
mArgCount++;
i--;
continue;
}
else {
/* The next argument does not start with '-'. This
* could be value to the previous option
*/
if (i == (aArgc-1)) {
/* This is the last argument and a URL
* Append a PR_TRUE for the previous option in the value array
*/
//mArgValueList.AppendElement((void *)PL_strdup("1"));
//mArgCount++;
// Append the url to the arrays
//mArgList.AppendElement((void *)PL_strdup("-url"));
mArgValueList.AppendElement(ProcessURLArg(aArgv[i]));
mArgCount++;
continue;
}
else {
/* This is a value to the previous option.
* Store it in the mArgValue array
*/
mArgValueList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup(aArgv[i])));
mArgCount++;
}
}
}
else {
if (i == (aArgc-1)) {
/* This must be the URL at the end
* Append the url to the arrays
*/
mArgList.AppendElement(NS_REINTERPRET_CAST(void*, nsCRT::strdup("-url")));
mArgValueList.AppendElement(ProcessURLArg(aArgv[i]));
mArgCount++;
}
else {
/* A bunch of unrecognized arguments */
rv = NS_ERROR_INVALID_ARG;
}
}
} // for
#if 0
for (i=0; i<mArgCount; i++)
{
printf("Argument: %s, ****** Value: %s\n", (char *)mArgList.ElementAt(i), (char *) mArgValueList.ElementAt(i));
}
#endif /* 0 */
return rv;
}
NS_IMETHODIMP
nsCmdLineService::GetURLToLoad(char ** aResult)
{
return GetCmdLineValue("-url", aResult);
}
NS_IMETHODIMP
nsCmdLineService::GetProgramName(char ** aResult)
{
nsresult rv = NS_OK;
*aResult = (char *)mArgValueList.SafeElementAt(0);
return rv;
}
PRBool nsCmdLineService::ArgsMatch(const char *lookingFor, const char *userGave)
{
if (!lookingFor || !userGave) return PR_FALSE;
if (!PL_strcasecmp(lookingFor,userGave)) return PR_TRUE;
#if defined(XP_UNIX) || defined(XP_BEOS)
/* on unix and beos, we'll allow --mail for -mail */
if (lookingFor && userGave && (lookingFor[0] != '\0') && (userGave[0] != '\0') && (userGave[1] != '\0')) {
if (!PL_strcasecmp(lookingFor+1,userGave+2) && (lookingFor[0] == '-') && (userGave[0] == '-') && (userGave[1] == '-')) return PR_TRUE;
}
#endif
#if defined(XP_WIN) || defined(XP_OS2)
/* on windows /mail is the same as -mail */
if (lookingFor && userGave && (lookingFor[0] != '\0') && (userGave[0] != '\0')) {
if (!PL_strcasecmp(lookingFor+1,userGave+1) && (lookingFor[0] == '-') && (userGave[0] == '/')) return PR_TRUE;
}
#endif
return PR_FALSE;
}
NS_IMETHODIMP
nsCmdLineService::GetCmdLineValue(const char * aArg, char ** aResult)
{
nsresult rv = NS_OK;
if (nsnull == aArg || nsnull == aResult ) {
return NS_ERROR_NULL_POINTER;
}
for (int i = 0; i<mArgCount; i++)
{
if (ArgsMatch(aArg,(char *) mArgList.ElementAt(i))) {
*aResult = nsCRT::strdup((char *)mArgValueList.ElementAt(i));
return NS_OK;
}
}
*aResult = nsnull;
return rv;
}
NS_IMETHODIMP
nsCmdLineService::GetArgc(PRInt32 * aResult)
{
if (nsnull == aResult)
return NS_ERROR_NULL_POINTER;
// if we are null, we were never initialized.
if (mArgc == 0)
return NS_ERROR_FAILURE;
*aResult = mArgc;
return NS_OK;
}
NS_IMETHODIMP
nsCmdLineService::GetArgv(char *** aResult)
{
if (nsnull == aResult)
return NS_ERROR_NULL_POINTER;
// if we are 0, we were never set.
if (!mArgv)
return NS_ERROR_FAILURE;
*aResult = mArgv;
return NS_OK;
}
nsCmdLineService::~nsCmdLineService()
{
PRInt32 curr = mArgList.Count();
while ( curr ) {
char* str = NS_REINTERPRET_CAST(char*, mArgList[curr-1]);
if ( str )
nsMemory::Free(str);
--curr;
}
curr = mArgValueList.Count();
while ( curr ) {
char* str = NS_REINTERPRET_CAST(char*, mArgValueList[curr-1]);
if ( str )
nsMemory::Free(str);
--curr;
}
curr = mArgc;
while ( curr ) {
char *str = mArgv ? mArgv[curr-1] : 0;
if ( str )
nsMemory::Free( mArgv[curr-1] );
--curr;
}
delete [] mArgv;
}
NS_IMETHODIMP
nsCmdLineService::GetHandlerForParam(const char *aParam,
nsICmdLineHandler** aResult)
{
nsresult rv;
// allocate temp on the stack
nsAutoVoidArray oneParameter;
nsVoidArray *paramList;
// if user passed in "null", then we want to go through each one
if (!aParam)
paramList = &mArgList;
else {
oneParameter.AppendElement((void *)aParam);
paramList = &oneParameter;
}
PRUint32 i;
for (i=0; i < (PRUint32)paramList->Count(); i++) {
const char *param = (const char*)paramList->ElementAt(i);
// skip past leading / and -
if (*param == '-' || *param == '/') {
++param;
if (*param == *(param-1)) // skip "--" or "//"
++param;
}
nsCAutoString
contractID("@mozilla.org/commandlinehandler/general-startup;1?type=");
contractID += param;
nsCOMPtr<nsICmdLineHandler> handler =
do_GetService(contractID.get(), &rv);
if (NS_FAILED(rv)) continue;
*aResult = handler;
NS_ADDREF(*aResult);
return NS_OK;
}
// went through all the parameters, didn't find one
return NS_ERROR_FAILURE;
}
#if 0
NS_IMETHODIMP
nsCmdLineService::PrintCmdArgs()
{
if (mArgCount == 0) {
printf("No command line options provided\n");
return;
}
for (int i=0; i<mArgCount; i++)
{
printf("Argument: %s, ****** Value: %s\n", mArgList.ElementAt(i), mArgValueList.ElementAt(i));
}
return NS_OK;
}
#endif

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@ -222,12 +222,8 @@ nsCmdLineService::GetURLToLoad(char ** aResult)
NS_IMETHODIMP NS_IMETHODIMP
nsCmdLineService::GetProgramName(char ** aResult) nsCmdLineService::GetProgramName(char ** aResult)
{ {
nsresult rv = NS_OK; *aResult = nsCRT::strdup((char *)mArgValueList.SafeElementAt(0));
return NS_OK;
*aResult = (char *)mArgValueList.SafeElementAt(0);
return rv;
} }
PRBool nsCmdLineService::ArgsMatch(const char *lookingFor, const char *userGave) PRBool nsCmdLineService::ArgsMatch(const char *lookingFor, const char *userGave)