forked from OSchip/llvm-project
503 lines
17 KiB
C++
503 lines
17 KiB
C++
//===-- MICmdArgValString.cpp -----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//++
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// File: MICmdArgValString.cpp
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//
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// Overview: CMICmdArgValString implementation.
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//
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// Environment: Compilers: Visual C++ 12.
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// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
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// Libraries: See MIReadmetxt.
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//
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// Copyright: None.
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//--
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// In-house headers:
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#include "MICmdArgValString.h"
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#include "MICmdArgContext.h"
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString( void )
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: m_bHandleQuotedString( false )
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, m_bAcceptNumbers( false )
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, m_bHandleDirPaths( false )
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, m_bHandleAnything( false )
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vbAnything - (R) True = Parse a string and accept anything, false = do not accept anything.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString( const bool vbAnything )
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: m_bHandleQuotedString( false )
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, m_bAcceptNumbers( false )
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, m_bHandleDirPaths( false )
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, m_bHandleAnything( vbAnything )
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vbHandleQuotes - (R) True = Parse a string surrounded by quotes spaces are not delimitors, false = only text up to next delimiting space character.
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// vbAcceptNumbers - (R) True = Parse a string and accept as a number if number, false = numbers not recognised as string types.
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// vbHandleDirPaths - (R) True = Parse a string and accept as a file path if a path, false = file paths are not recognised as string types.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString( const bool vbHandleQuotes, const bool vbAcceptNumbers, const bool vbHandleDirPaths )
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: m_bHandleQuotedString( vbHandleQuotes )
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, m_bAcceptNumbers( vbAcceptNumbers )
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, m_bHandleDirPaths( vbHandleDirPaths )
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, m_bHandleAnything( false )
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vrArgName - (R) Argument's name to search by.
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// vbMandatory - (R) True = Yes must be present, false = optional argument.
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// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
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// vbHandleQuotes - (R) True = Parse a string surrounded by quotes spaces are not delimitors, false = only text up to next delimiting space character. (Dflt = false)
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// vbAcceptNumbers - (R) True = Parse a string and accept as a number if number, false = numbers not recognised as string types. (Dflt = false)
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString( const CMIUtilString & vrArgName, const bool vbMandatory, const bool vbHandleByCmd, const bool vbHandleQuotes /* = false */, const bool vbAcceptNumbers /* = false */ )
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: CMICmdArgValBaseTemplate( vrArgName, vbMandatory, vbHandleByCmd )
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, m_bHandleQuotedString( vbHandleQuotes )
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, m_bAcceptNumbers( vbAcceptNumbers )
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, m_bHandleDirPaths( false )
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, m_bHandleAnything( false )
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString destructor.
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// Type: Overridden.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::~CMICmdArgValString( void )
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract the value *this
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// argument is looking for.
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// Type: Overridden.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool CMICmdArgValString::Validate( CMICmdArgContext & vrwArgContext )
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{
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if( vrwArgContext.IsEmpty() )
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return MIstatus::success;
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if( m_bHandleQuotedString )
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return (ValidateQuotedText( vrwArgContext ) || ValidateQuotedTextEmbedded( vrwArgContext ) );
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return ValidateSingleText( vrwArgContext );
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract only the next
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// word delimited by the next space.
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool CMICmdArgValString::ValidateSingleText( CMICmdArgContext & vrwArgContext )
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{
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if( vrwArgContext.GetNumberArgsPresent() == 1 )
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{
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const CMIUtilString & rArg( vrwArgContext.GetArgsLeftToParse() );
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if( IsStringArg( rArg ) )
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{
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m_bFound = true;
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m_bValid = true;
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m_argValue = rArg;
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vrwArgContext.RemoveArg( rArg );
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return MIstatus::success;
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}
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else
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return MIstatus::failure;
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}
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// More than one option...
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const CMIUtilString::VecString_t vecOptions( vrwArgContext.GetArgs() );
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CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
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while( it != vecOptions.end() )
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{
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const CMIUtilString & rArg( *it );
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if( IsStringArg( rArg ) )
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{
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m_bFound = true;
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if( vrwArgContext.RemoveArg( rArg ) )
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{
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m_bValid = true;
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m_argValue = rArg;
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return MIstatus::success;
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}
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else
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return MIstatus::failure;
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}
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// Next
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++it;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract all the words
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// between quotes then delimited by the next space. Can fall through to
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// ValidateSingleText() or ValidateQuotedQuotedTextEmbedded().
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool CMICmdArgValString::ValidateQuotedText( CMICmdArgContext & vrwArgContext )
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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CMIUtilString strOptions = vrwArgContext.GetArgsLeftToParse();
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const MIchar cQuote = '"';
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// Look for first quote of two
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MIint nPos = strOptions.find( cQuote );
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if( nPos == (MIint) std::string::npos )
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return ValidateSingleText( vrwArgContext );
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// Is one and only quote at end of the string
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const MIint nLen = strOptions.length();
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if( nPos == (MIint)(nLen - 1) )
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return MIstatus::failure;
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// Quote must be the first character in the string or be preceeded by a space
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if( (nPos > 0) && (strOptions[ nPos - 1 ] != ' ') )
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return MIstatus::failure;
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// Need to find the other quote
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const MIint nPos2 = strOptions.rfind( cQuote );
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if( nPos2 == (MIint) std::string::npos )
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return MIstatus::failure;
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// Is there quotes surrounding string formatting embedded quotes
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if( IsStringArgQuotedQuotedTextEmbedded( strOptions ) )
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return ValidateQuotedQuotedTextEmbedded( vrwArgContext );
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// Make sure not same back quote, need two quotes
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if( nPos == nPos2 )
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return MIstatus::failure;
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// Extract quoted text
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const CMIUtilString strQuotedTxt = strOptions.substr( nPos, nPos2 - nPos + 1 ).c_str();
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if( vrwArgContext.RemoveArg( strQuotedTxt ) )
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{
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m_bFound = true;
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m_bValid = true;
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m_argValue = strOptions.substr( nPos + 1, nPos2 - nPos - 1 ).c_str();
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return MIstatus::success;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract all the words
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// between quotes then delimited by the next space. If there any string format
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// characters '\\' used to embed quotes these are ignored i.e. "\\\"%5d\\\""
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// becomes "%5d". Can fall through to ValidateQuotedText().
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool CMICmdArgValString::ValidateQuotedTextEmbedded( CMICmdArgContext & vrwArgContext )
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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CMIUtilString strOptions = vrwArgContext.GetArgsLeftToParse();
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const MIchar cBckSlash = '\\';
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const MIint nPos = strOptions.find( cBckSlash );
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if( nPos == (MIint) std::string::npos )
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return ValidateQuotedText( vrwArgContext );
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// Back slash must be the first character in the string or be preceeded by a space
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// or '\\'
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const MIchar cSpace = ' ';
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if( (nPos > 0) && (strOptions[ nPos - 1 ] != cSpace) )
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return MIstatus::failure;
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// Need to find the other back slash
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const MIint nPos2 = strOptions.rfind( cBckSlash );
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if( nPos2 == (MIint) std::string::npos )
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return MIstatus::failure;
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// Make sure not same back slash, need two slashs
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if( nPos == nPos2 )
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return MIstatus::failure;
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// Look for the two quotes
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const MIint nLen = strOptions.length();
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const MIchar cQuote = '"';
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const MIint nPosQuote1 = nPos + 1;
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const MIint nPosQuote2 = (nPos2 < nLen) ? nPos2 + 1 : nPos2;
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if( (nPosQuote1 != nPosQuote2) &&
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(strOptions[ nPosQuote1 ] != cQuote) && (strOptions[ nPosQuote2 ] != cQuote) )
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return MIstatus::failure;
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// Extract quoted text
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const CMIUtilString strQuotedTxt = strOptions.substr( nPos, nPosQuote2 - nPos + 1 ).c_str();
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if( vrwArgContext.RemoveArg( strQuotedTxt ) )
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{
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m_bFound = true;
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m_bValid = true;
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m_argValue = strQuotedTxt;
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return MIstatus::success;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract all the words
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// between quotes then delimited by the next space. If there any string format
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// characters '\\' used to embed quotes these are ignored i.e. "\\\"%5d\\\""
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// becomes "%5d".
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool CMICmdArgValString::ValidateQuotedQuotedTextEmbedded( CMICmdArgContext & vrwArgContext )
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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CMIUtilString strOptions = vrwArgContext.GetArgsLeftToParse();
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const MIint nPos = strOptions.find( "\"\\\"" );
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if( nPos == (MIint) std::string::npos )
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return MIstatus::failure;
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const MIint nPos2 = strOptions.rfind( "\\\"\"" );
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if( nPos2 == (MIint) std::string::npos )
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return MIstatus::failure;
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const MIint nLen = strOptions.length();
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if( (nLen > 5) && ((nPos + 2) == (nPos2 - 2)) )
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return MIstatus::failure;
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// Quote must be the first character in the string or be preceeded by a space
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// or '\\'
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const MIchar cSpace = ' ';
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if( (nPos > 0) && (strOptions[ nPos - 1 ] != cSpace) )
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return MIstatus::failure;
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// Extract quoted text
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const CMIUtilString strQuotedTxt = strOptions.substr( nPos, nPos2 - nPos + 3 ).c_str();
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if( vrwArgContext.RemoveArg( strQuotedTxt ) )
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{
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m_bFound = true;
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m_bValid = true;
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m_argValue = strQuotedTxt;
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return MIstatus::success;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool CMICmdArgValString::IsStringArg( const CMIUtilString & vrTxt ) const
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{
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if( m_bHandleQuotedString )
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return (IsStringArgQuotedText( vrTxt ) ||
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IsStringArgQuotedTextEmbedded( vrTxt ) ||
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IsStringArgQuotedQuotedTextEmbedded( vrTxt ) ||
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IsStringArgSingleText( vrTxt ) ); // Still test for this as could just be one word still
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return IsStringArgSingleText( vrTxt );
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument or
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// option value. If the string looks like a long option, short option, a thread
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// group ID or just a number it is rejected as a string type value. There is an
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// option to allow the string to accept a number as a string type.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid argument value, false = something else.
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// Throws: None.
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//--
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bool CMICmdArgValString::IsStringArgSingleText( const CMIUtilString & vrTxt ) const
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{
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// Accept anything as string word
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if( m_bHandleAnything )
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return true;
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if( !m_bHandleDirPaths )
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{
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// Look for directory file paths, if found reject
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const bool bHavePosSlash = (vrTxt.find_first_of( "/" ) != std::string::npos);
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const bool bHaveBckSlash = (vrTxt.find_first_of( "\\" ) != std::string::npos);
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if( bHavePosSlash || bHaveBckSlash )
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return false;
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}
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// Look for --someLongOption, if found reject
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if( 0 == vrTxt.find( "--" ) )
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return false;
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// Look for -f type short options, if found reject
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if( (0 == vrTxt.find( "-" )) && (vrTxt.length() == 2) )
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return false;
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// Look for thread group i1 i2 i3...., if found reject
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if( (vrTxt.find( "i" ) == 0) && ::isdigit( vrTxt[ 1 ]) )
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return false;
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// Look for numbers, if found reject
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if( !m_bAcceptNumbers && vrTxt.IsNumber() )
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return false;
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return true;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Take into account quotes surrounding the text. Note this function falls
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// through to IsStringArgSingleText() should the criteria match fail.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool CMICmdArgValString::IsStringArgQuotedText( const CMIUtilString & vrTxt ) const
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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const MIchar cQuote = '"';
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const MIint nPos = vrTxt.find( cQuote );
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if( nPos == (MIint) std::string::npos )
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return false;
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// Is one and only quote at end of the string
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if( nPos == (MIint)(vrTxt.length() - 1) )
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return false;
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// Quote must be the first character in the string or be preceeded by a space
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// Also check for embedded string formating quote
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const MIchar cBckSlash = '\\';
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const MIchar cSpace = ' ';
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if( (nPos > 1) && (vrTxt[ nPos - 1 ] == cBckSlash) && (vrTxt[ nPos - 2 ] != cSpace) )
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{
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return false;
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}
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if( (nPos > 0) && (vrTxt[ nPos - 1 ] != cSpace) )
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return false;
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// Need to find the other quote
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const MIint nPos2 = vrTxt.rfind( cQuote );
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if( nPos2 == (MIint) std::string::npos )
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return false;
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// Make sure not same quote, need two quotes
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if( nPos == nPos2 )
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return MIstatus::failure;
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return true;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Take into account quotes surrounding the text. Take into account string format
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// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this function falls
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// through to IsStringArgQuotedText() should the criteria match fail.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool CMICmdArgValString::IsStringArgQuotedTextEmbedded( const CMIUtilString & vrTxt ) const
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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const MIchar cBckSlash = '\\';
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const MIint nPos = vrTxt.find( cBckSlash );
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if( nPos == (MIint) std::string::npos )
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return false;
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// Slash must be the first character in the string or be preceeded by a space
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const MIchar cSpace = ' ';
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if( (nPos > 0) && (vrTxt[ nPos - 1 ] != cSpace) )
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return false;
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// Need to find the other matching slash
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const MIint nPos2 = vrTxt.rfind( cBckSlash );
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if( nPos2 == (MIint) std::string::npos )
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return false;
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// Make sure not same back slash, need two slashs
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if( nPos == nPos2 )
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return MIstatus::failure;
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return false;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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|
// Take into account quotes surrounding the text. Take into account string format
|
|
// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this function falls
|
|
// through to IsStringArgQuotedTextEmbedded() should the criteria match fail.
|
|
// Type: Method.
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|
// Args: vrTxt - (R) Some text.
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|
// Return: bool - True = yes valid arg, false = no.
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|
// Throws: None.
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|
//--
|
|
bool CMICmdArgValString::IsStringArgQuotedQuotedTextEmbedded( const CMIUtilString & vrTxt ) const
|
|
{
|
|
const MIint nPos = vrTxt.find( "\"\\\"" );
|
|
if( nPos == (MIint) std::string::npos )
|
|
return false;
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|
|
|
const MIint nPos2 = vrTxt.rfind( "\\\"\"" );
|
|
if( nPos2 == (MIint) std::string::npos )
|
|
return false;
|
|
|
|
const MIint nLen = vrTxt.length();
|
|
if( (nLen > 5) && ((nPos + 2) == (nPos2 - 2)) )
|
|
return false;
|
|
|
|
return true;
|
|
}
|