contrib/llvm/tools/lldb/tools/lldb-mi/MICmdArgValConsume.cpp

   1 //===-- MICmdArgValConsume.cpp -------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 //++
  11 // File:                MICmdArgValConsume.cpp
  12 //
  13 // Overview:    CMICmdArgValConsume implementation.
  14 //
  15 // Environment: Compilers:      Visual C++ 12.
  16 //                                                      gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
  17 //                              Libraries:      See MIReadmetxt.
  18 //
  19 // Copyright:   None.
  20 //--
  21
  22 // In-house headers:
  23 #include "MICmdArgValConsume.h"
  24 #include "MICmdArgContext.h"
  25
  26 //++ ------------------------------------------------------------------------------------
  27 // Details:     CMICmdArgValConsume constructor.
  28 // Type:        Method.
  29 // Args:        None.
  30 // Return:      None.
  31 // Throws:      None.
  32 //--
  33 CMICmdArgValConsume::CMICmdArgValConsume( void )
  34 {
  35 }
  36
  37 //++ ------------------------------------------------------------------------------------
  38 // Details:     CMICmdArgValConsume constructor.
  39 // Type:        Method.
  40 // Args:        vrArgName               - (R) Argument's name to search by.
  41 //                      vbMandatory             - (R) True = Yes must be present, false = optional argument.
  42 // Return:      None.
  43 // Throws:      None.
  44 //--
  45 CMICmdArgValConsume::CMICmdArgValConsume( const CMIUtilString & vrArgName, const bool vbMandatory )
  46 :       CMICmdArgValBaseTemplate( vrArgName, vbMandatory, true )
  47 {
  48 }
  49
  50 //++ ------------------------------------------------------------------------------------
  51 // Details:     CMICmdArgValConsume destructor.
  52 // Type:        Overidden.
  53 // Args:        None.
  54 // Return:      None.
  55 // Throws:      None.
  56 //--
  57 CMICmdArgValConsume::~CMICmdArgValConsume( void )
  58 {
  59 }
  60
  61 //++ ------------------------------------------------------------------------------------
  62 // Details:     Parse the command's argument options string and try to extract the value *this
  63 //                      argument is looking for.
  64 // Type:        Overridden.
  65 // Args:        vwArgContext    - (R) The command's argument options string.
  66 // Return:      MIstatus::success - Functional succeeded.
  67 //                      MIstatus::failure - Functional failed.
  68 // Throws:      None.
  69 //--
  70 bool CMICmdArgValConsume::Validate( CMICmdArgContext & vwArgContext )
  71 {
  72         if( vwArgContext.IsEmpty() )
  73                 return MIstatus::success;
  74
  75         if( vwArgContext.GetNumberArgsPresent() == 1 )
  76         {
  77                 const CMIUtilString & rArg( vwArgContext.GetArgsLeftToParse() );
  78                 m_bFound = true;
  79                 m_bValid = true;
  80                 vwArgContext.RemoveArg( rArg );
  81                 return MIstatus::success;
  82         }
  83
  84         // In reality there are more than one option,  if so the file option
  85         // is the last one (don't handle that here - find the best looking one)
  86         const CMIUtilString::VecString_t vecOptions( vwArgContext.GetArgs() );
  87         CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
  88         while( it != vecOptions.end() )
  89         {
  90                 const CMIUtilString & rTxt( *it );
  91                 m_bFound = true;
  92
  93                 if( vwArgContext.RemoveArg( rTxt ) )
  94                 {
  95                         m_bValid = true;
  96                         return MIstatus::success;
  97                 }
  98                 else
  99                         return MIstatus::success;
 100
 101                 // Next
 102                 ++it;
 103         }
 104
 105         return MIstatus::failure;
 106 }
 107
 108 //++ ------------------------------------------------------------------------------------
 109 // Details:     Nothing to examine as we just want to consume the argument or option (ignore
 110 //                      it).
 111 // Type:        Method.
 112 // Args:        None.
 113 // Return:      bool -  True = yes ok, false = not ok.
 114 // Throws:      None.
 115 //--
 116 bool CMICmdArgValConsume::IsOk( void ) const
 117 {
 118         return true;
 119 }