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//===-- MICmdArgValFile.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdArgValFile.cpp
//
// Overview: CMICmdArgValFile implementation.
//
// Environment: Compilers: Visual C++ 12.
// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
// Libraries: See MIReadmetxt.
//
// Copyright: None.
//--
// In-house headers:
#include "MICmdArgValFile.h"
#include "MICmdArgContext.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValFile constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValFile::CMICmdArgValFile( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValFile constructor.
// Type: Method.
// Args: vrArgName - (R) Argument's name to search by.
// vbMandatory - (R) True = Yes must be present, false = optional argument.
// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
// Return: None.
// Throws: None.
//--
CMICmdArgValFile::CMICmdArgValFile( const CMIUtilString & vrArgName, const bool vbMandatory, const bool vbHandleByCmd )
: CMICmdArgValBaseTemplate( vrArgName, vbMandatory, vbHandleByCmd )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValFile destructor.
// Type: Overridden.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValFile::~CMICmdArgValFile( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: Parse the command's argument options string and try to extract the value *this
// argument is looking for.
// Type: Overridden.
// Args: vwArgContext - (R) The command's argument options string.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdArgValFile::Validate( CMICmdArgContext & vwArgContext )
{
if( vwArgContext.IsEmpty() )
return MIstatus::success;
// The GDB/MI spec suggests there is only parameter
if( vwArgContext.GetNumberArgsPresent() == 1 )
{
const CMIUtilString & rFile( vwArgContext.GetArgsLeftToParse() );
if( IsFilePath( rFile ) )
{
m_bFound = true;
m_bValid = true;
m_argValue = rFile;
vwArgContext.RemoveArg( rFile );
return MIstatus::success;
}
else
return MIstatus::failure;
}
// In reality there are more than one option, if so the file option
// is the last one (don't handle that here - find the best looking one)
const CMIUtilString::VecString_t vecOptions( vwArgContext.GetArgs() );
CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
while( it != vecOptions.end() )
{
const CMIUtilString & rTxt( *it );
if( IsFilePath( rTxt ) )
{
m_bFound = true;
if( vwArgContext.RemoveArg( rTxt ) )
{
m_bValid = true;
m_argValue = rTxt;
return MIstatus::success;
}
else
return MIstatus::success;
}
// Next
++it;
}
return MIstatus::failure;
}
//++ ------------------------------------------------------------------------------------
// Details: Given some text extract the file name path from it.
// Type: Method.
// Args: vrTxt - (R) The text to extract the file name path from.
// Return: CMIUtilString - File name and or path.
// Throws: None.
//--
CMIUtilString CMICmdArgValFile::GetFileNamePath( const CMIUtilString & vrTxt ) const
{
return vrTxt;
}
//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid file name path.
// Type: Method.
// Args: vrFileNamePath - (R) File's name and directory path.
// Return: bool - True = yes valid file path, false = no.
// Throws: None.
//--
bool CMICmdArgValFile::IsFilePath( const CMIUtilString & vrFileNamePath ) const
{
const bool bHavePosSlash = (vrFileNamePath.find_first_of( "/" ) != std::string::npos);
const bool bHaveBckSlash = (vrFileNamePath.find_first_of( "\\" ) != std::string::npos);
// Look for --someLongOption
MIint nPos = vrFileNamePath.find_first_of( "--" );
const bool bLong = (nPos == 0);
if( bLong )
return false;
// Look for -f type short parameters
nPos = vrFileNamePath.find_first_of( "-" );
const bool bShort = (nPos == 0);
if( bShort )
return false;
// Look for i1 i2 i3....
nPos = vrFileNamePath.find_first_of( "i" );
const bool bFoundI1 = ((nPos == 0) && (::isdigit( vrFileNamePath[ 1 ] )) );
if( bFoundI1 )
return false;
const bool bValidChars = CMIUtilString::IsAllValidAlphaAndNumeric( *vrFileNamePath.c_str() );
if( bValidChars || bHavePosSlash || bHaveBckSlash )
return true;
return false;
}
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