423 lines
13 KiB
C++
423 lines
13 KiB
C++
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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Argument
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Abstract:
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Argument processing for the Replace utility
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Author:
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Ramon Juan San Andres (ramonsa) 01-May-1991
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Notes:
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The arguments accepted by the Replace utility are:
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Source path.- Source path.
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Destination path.- Destination path.
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Add switch.- Adds new files to the target directory instead of
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replacing existing one. Cannot use with Subdir
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switch or CompareTime switch.
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Prompt switch.- Prompts before adding/replacing a file.
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ReadOnly switch.- Replaces red-only files as well as regular files.
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Subdir switch.- Recurses along the destination path.
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CompareTime switch.-Replaces only thos files on the target path that
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are older than the corresponding file in the
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source path.
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Wait switch.- Waits for the user to type any key before starting.
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Help switch.- Displays usage
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Revision History:
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--*/
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#include "ulib.hxx"
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#include "arg.hxx"
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#include "arrayit.hxx"
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#include "file.hxx"
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#include "system.hxx"
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#include "replace.hxx"
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#define MATCH_ALL_PATTERN "*"
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#define CURRENT_DIRECTORY (LPWSTR)L"."
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//
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// Global variables (global to the module)
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//
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PPATH_ARGUMENT SourcePathArgument = NULL;
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PPATH_ARGUMENT DestinationPathArgument = NULL;
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PFLAG_ARGUMENT AddArgument = NULL;
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PFLAG_ARGUMENT PromptArgument = NULL;
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PFLAG_ARGUMENT ReadOnlyArgument = NULL;
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PFLAG_ARGUMENT SubdirArgument = NULL;
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PFLAG_ARGUMENT CompareTimeArgument = NULL;
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PFLAG_ARGUMENT WaitArgument = NULL;
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PFLAG_ARGUMENT HelpArgument = NULL;
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BOOLEAN HelpSwitch;
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VOID
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REPLACE::SetArguments(
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)
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/*++
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Routine Description:
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Obtains the arguments for the Replace utility
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Arguments:
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None.
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Return Value:
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None.
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Notes:
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--*/
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{
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//
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// Allocate things
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//
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if (//
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// Get the argument patterns
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//
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!_AddPattern.Initialize( (LPWSTR)L"/A" ) ||
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!_PromptPattern.Initialize( (LPWSTR)L"/P" ) ||
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!_ReadOnlyPattern.Initialize( (LPWSTR)L"/R" ) ||
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!_SubdirPattern.Initialize( (LPWSTR)L"/S" ) ||
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!_CompareTimePattern.Initialize( (LPWSTR)L"/U" ) ||
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!_WaitPattern.Initialize( (LPWSTR)L"/W" ) ||
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!_HelpPattern.Initialize( (LPWSTR)L"/?" ) ||
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//
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// Get our parsing preferences
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//
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!_Switches.Initialize( (LPWSTR)L"/-" ) ||
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!_MultipleSwitch.Initialize( (LPWSTR)L"/APRSUW?" ) ||
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//
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// Create the arguments
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//
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((SourcePathArgument = NEW PATH_ARGUMENT) == NULL ) ||
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((DestinationPathArgument = NEW PATH_ARGUMENT) == NULL ) ||
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((AddArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((PromptArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((ReadOnlyArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((SubdirArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((CompareTimeArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((WaitArgument = NEW FLAG_ARGUMENT) == NULL ) ||
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((HelpArgument = NEW FLAG_ARGUMENT) == NULL )
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) {
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DisplayMessageAndExit ( REPLACE_ERROR_NO_MEMORY,
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NULL,
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EXIT_NO_MEMORY );
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}
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//
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// Parse the arguments
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//
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GetArgumentsCmd();
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//
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// Verify the arguments
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//
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CheckArgumentConsistency();
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//
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// Clean up
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//
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DELETE( SourcePathArgument );
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DELETE( DestinationPathArgument );
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DELETE( AddArgument );
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DELETE( PromptArgument );
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DELETE( ReadOnlyArgument );
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DELETE( SubdirArgument );
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DELETE( CompareTimeArgument );
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DELETE( WaitArgument );
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DELETE( HelpArgument );
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}
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VOID
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REPLACE::GetArgumentsCmd(
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)
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/*++
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Routine Description:
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Obtains the arguments from the Command line
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Arguments:
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None.
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Return Value:
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None
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Notes:
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--*/
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{
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ARRAY ArgArray;
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PATH_ARGUMENT ProgramNameArgument;
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DSTRING CmdLine;
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//
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// Prepare for parsing
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//
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if (//
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// Initialize the arguments
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//
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!(CmdLine.Initialize( GetCommandLine() )) ||
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!(ArgArray.Initialize( 10, 10 )) ||
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!(ProgramNameArgument.Initialize( MATCH_ALL_PATTERN )) ||
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!(SourcePathArgument->Initialize( MATCH_ALL_PATTERN, FALSE)) ||
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!(DestinationPathArgument->Initialize( MATCH_ALL_PATTERN, TRUE )) ||
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!(AddArgument->Initialize( &_AddPattern )) ||
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!(PromptArgument->Initialize( &_PromptPattern )) ||
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!(ReadOnlyArgument->Initialize( &_ReadOnlyPattern )) ||
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!(SubdirArgument->Initialize( &_SubdirPattern )) ||
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!(CompareTimeArgument->Initialize( &_CompareTimePattern )) ||
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!(WaitArgument->Initialize( &_WaitPattern )) ||
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!(HelpArgument->Initialize( &_HelpPattern )) ||
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//
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// Put the arguments in the argument array
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//
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!(ArgArray.Put( &ProgramNameArgument )) ||
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!(ArgArray.Put( AddArgument )) ||
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!(ArgArray.Put( PromptArgument )) ||
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!(ArgArray.Put( ReadOnlyArgument )) ||
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!(ArgArray.Put( SubdirArgument )) ||
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!(ArgArray.Put( CompareTimeArgument )) ||
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!(ArgArray.Put( WaitArgument )) ||
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!(ArgArray.Put( HelpArgument )) ||
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!(ArgArray.Put( SourcePathArgument )) ||
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!(ArgArray.Put( DestinationPathArgument ))
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) {
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DisplayMessageAndExit( REPLACE_ERROR_NO_MEMORY,
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NULL,
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EXIT_NO_MEMORY );
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}
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//
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// Parse the arguments
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//
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ParseArguments( &CmdLine, &ArgArray );
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//
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// Set the switches
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//
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_AddSwitch = AddArgument->QueryFlag();
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_PromptSwitch = PromptArgument->QueryFlag();
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_ReadOnlySwitch = ReadOnlyArgument->QueryFlag();
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_SubdirSwitch = SubdirArgument->QueryFlag();
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_CompareTimeSwitch = CompareTimeArgument->QueryFlag();
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_WaitSwitch = WaitArgument->QueryFlag();
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HelpSwitch = HelpArgument->QueryFlag();
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//
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// Set the source and destination paths.
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//
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if ( SourcePathArgument->IsValueSet() ) {
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if ((_SourcePath = SourcePathArgument->GetPath()->QueryPath()) == NULL ) {
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DisplayMessageAndExit( REPLACE_ERROR_NO_MEMORY, NULL, EXIT_NO_MEMORY );
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}
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} else {
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_SourcePath = NULL;
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}
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if ( DestinationPathArgument->IsValueSet() ) {
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if ((_DestinationPath = DestinationPathArgument->GetPath()->QueryFullPath()) == NULL ) {
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DisplayMessageAndExit( REPLACE_ERROR_NO_MEMORY, NULL, EXIT_NO_MEMORY );
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}
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} else {
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_DestinationPath = NULL;
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}
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}
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VOID
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REPLACE::ParseArguments(
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IN PWSTRING CmdLine,
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OUT PARRAY ArgArray
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)
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/*++
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Routine Description:
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Parses a group of arguments
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Arguments:
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CmdLine - Supplies pointer to a command line to parse
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ArgArray - Supplies pointer to array of arguments
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Return Value:
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none
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Notes:
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--*/
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{
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ARGUMENT_LEXEMIZER ArgLex;
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ARRAY LexArray;
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//
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// Initialize lexeme array and the lexemizer.
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//
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if ( !(LexArray.Initialize( 8, 8 )) ||
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!(ArgLex.Initialize( &LexArray )) ) {
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DisplayMessageAndExit( REPLACE_ERROR_NO_MEMORY,
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NULL,
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EXIT_NO_MEMORY );
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}
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//
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// Set our parsing preferences
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//
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ArgLex.PutMultipleSwitch( &_MultipleSwitch );
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ArgLex.PutSwitches( &_Switches );
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ArgLex.SetCaseSensitive( FALSE );
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ArgLex.PutSeparators( " /\t" );
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ArgLex.PutStartQuotes( "\"" );
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ArgLex.PutEndQuotes( "\"" );
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//
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// Parse the arguments
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//
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if ( !(ArgLex.PrepareToParse( CmdLine ))) {
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DisplayMessageAndExit( REPLACE_ERROR_PARSE,
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NULL,
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EXIT_COMMAND_LINE_ERROR );
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}
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if ( !ArgLex.DoParsing( ArgArray ) ) {
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DisplayMessageAndExit( REPLACE_ERROR_INVALID_SWITCH,
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ArgLex.QueryInvalidArgument(),
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EXIT_COMMAND_LINE_ERROR );
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}
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}
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VOID
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REPLACE::CheckArgumentConsistency (
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)
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/*++
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Routine Description:
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Checks the consistency of the arguments
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Arguments:
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none
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Return Value:
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none
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Notes:
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--*/
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{
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PFSN_FILE File = NULL;
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if ( HelpSwitch ) {
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//
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// Help requested
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//
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Usage();
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}
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//
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// Make sure that we have a source path
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//
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if ( _SourcePath == NULL ) {
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DisplayMessageAndExit( REPLACE_ERROR_SOURCE_PATH_REQUIRED,
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NULL,
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EXIT_COMMAND_LINE_ERROR );
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}
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//
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// The add switch cannot be specified together with the Subdir or the
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// CompareTime switch.
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//
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if ( _AddSwitch && (_SubdirSwitch || _CompareTimeSwitch)) {
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DisplayMessageAndExit( REPLACE_ERROR_INVALID_PARAMETER_COMBINATION,
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NULL,
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EXIT_COMMAND_LINE_ERROR );
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}
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//
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// If destination path is null, then the destination path is the
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// current directory
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//
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if ( _DestinationPath == NULL ) {
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if ( ((_DestinationPath = NEW PATH) == NULL ) ||
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!_DestinationPath->Initialize( CURRENT_DIRECTORY, TRUE ) ) {
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DisplayMessageAndExit( REPLACE_ERROR_NO_MEMORY,
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NULL,
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EXIT_NO_MEMORY );
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}
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} else if ( (_DestinationPath->HasWildCard()) ||
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((File = SYSTEM::QueryFile( _DestinationPath )) != NULL) ) {
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DisplayMessageAndExit( REPLACE_ERROR_PATH_NOT_FOUND,
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|||
|
|
_DestinationPath->GetPathString(),
|
|||
|
|
EXIT_PATH_NOT_FOUND );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
DELETE( File );
|
|||
|
|
}
|