author | jjkang |
Fri, 11 Jun 2010 15:22:09 +0800 | |
changeset 2 | 806186ab5e14 |
parent 1 | 0a7b44b10206 |
permissions | -rw-r--r-- |
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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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|
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#ifdef __TOOLS2__ |
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#ifndef _WIN32 |
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#define __TOOLS__ |
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#endif |
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#endif |
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#include <bacline.h> |
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|
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#ifdef __TOOLS2__ |
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#include <cstring> |
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extern char **gArgv; |
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#endif |
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EXPORT_C CCommandLineArguments* CCommandLineArguments::NewLC() |
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/** Allocates and constructs a command line arguments parser, putting the returned |
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pointer onto the cleanup stack. The function leaves if there is insufficient |
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memory. |
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@return The command line arguments parser. */ |
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{ |
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CCommandLineArguments* self=new (ELeave) CCommandLineArguments; |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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|
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EXPORT_C CCommandLineArguments* CCommandLineArguments::NewL() |
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/** Allocates and constructs a command line arguments parser. The function leaves |
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if there is insufficient memory. |
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|
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@return The command line arguments parser. */ |
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{ |
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CCommandLineArguments* self=CCommandLineArguments::NewLC(); |
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CleanupStack::Pop(); |
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return self; |
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} |
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EXPORT_C CCommandLineArguments::~CCommandLineArguments() |
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/** Frees resources prior to destruction. */ |
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{ |
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delete iArgs; |
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delete iCommandLine; |
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} |
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CCommandLineArguments::CCommandLineArguments() |
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{ |
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} |
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void CCommandLineArguments::ConstructL() |
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{ |
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// allocate args array |
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iArgs=new (ELeave) CArrayFixFlat<TPtrC> (10); |
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// get raw command line |
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|
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#ifndef __TOOLS2__ |
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RProcess me; |
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#endif |
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iCommandLine=HBufC::NewL(User::CommandLineLength()); |
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TPtr commandLine(iCommandLine->Des()); |
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User::CommandLine(commandLine); |
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#ifndef __TOOLS2__ |
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iFileName=me.FileName(); |
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#else |
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iFileName.Copy(TPtrC8((TUint8*)gArgv[0], strlen(gArgv[0]))); |
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#endif |
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|
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// scan for each argument |
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TText* out=CONST_CAST(TText*,iCommandLine->Ptr()); |
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const TText* scan=out; |
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const TText* end=scan+iCommandLine->Length(); |
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while (scan < end) // scan one argument |
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{ |
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while (scan < end && *scan==' ') // skip leading space |
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scan++; |
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if (scan == end) // ignore if blank |
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break; |
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TBool quoted=*scan=='\"'; // note leading quote |
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if (quoted) |
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scan++; |
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TText* start=out; // note start in output |
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if (!quoted) // if not quoted, scan for blank |
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{ |
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while (scan < end && *scan!=' ') |
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*out++ = *scan++; |
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} |
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else // quoted, scan for quote |
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{ |
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for (;;) // one quote-or-double sequence |
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{ |
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while (scan < end && *scan!='\"') // all up to quote |
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*out++ = *scan++; |
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if (scan < end) // skip quote |
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scan++; |
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if (scan < end && *scan=='\"') // transfer if quote is doubled |
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*out++ = *scan++; |
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else // finished this arg |
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break; |
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} |
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114 |
} |
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TPtrC arg(start, out-start); |
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iArgs->AppendL(arg); |
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} |
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} |
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EXPORT_C TPtrC CCommandLineArguments::Arg(TInt aArg) const |
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/** Returns a non-modifiable pointer descriptor representing the specified command-line |
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argument. |
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Arg(0) is the file name as specified on the command line. Arg(1), Arg(2) etc. |
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are the arguments specified to the command. |
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The pointer descriptor is valid throughout the lifetime of the CCommandLineArguments |
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object. If you wish to retain argument values after the CCommandLineArguments |
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object is destroyed, you should copy the argument data into a different object. |
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@param aArg The index of the desired argument. This number must be less than |
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Count(). Specify 0 for the name used to invoke the process. Specify 1, 2 etc. |
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for the arguments. |
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@return Non-modifiable pointer descriptor to the specified argument text. */ |
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{ |
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if (aArg > 0 ) // a normal argument |
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return iArgs->operator[](aArg-1); |
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else // process name |
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return TPtrC(iFileName); |
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} |
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EXPORT_C TInt CCommandLineArguments::Count() const |
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/** Returns the number of command line arguments, including the program name. |
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@return The number of command line arguments, plus one for the program name. |
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Returns 1, if no arguments are specified. */ |
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{ |
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return iArgs->Count()+1; |
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} |