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

122 lines
3.5 KiB
C++

//===-- MICmdArgValConsume.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdArgValConsume.cpp
//
// Overview: CMICmdArgValConsume 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 "MICmdArgValConsume.h"
#include "MICmdArgContext.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValConsume constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValConsume::CMICmdArgValConsume(void)
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValConsume constructor.
// Type: Method.
// Args: vrArgName - (R) Argument's name to search by.
// vbMandatory - (R) True = Yes must be present, false = optional argument.
// Return: None.
// Throws: None.
//--
CMICmdArgValConsume::CMICmdArgValConsume(const CMIUtilString &vrArgName, const bool vbMandatory)
: CMICmdArgValBaseTemplate(vrArgName, vbMandatory, true)
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValConsume destructor.
// Type: Overidden.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValConsume::~CMICmdArgValConsume(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
CMICmdArgValConsume::Validate(CMICmdArgContext &vwArgContext)
{
if (vwArgContext.IsEmpty())
return MIstatus::success;
if (vwArgContext.GetNumberArgsPresent() == 1)
{
const CMIUtilString &rArg(vwArgContext.GetArgsLeftToParse());
m_bFound = true;
m_bValid = true;
vwArgContext.RemoveArg(rArg);
return MIstatus::success;
}
// 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);
m_bFound = true;
if (vwArgContext.RemoveArg(rTxt))
{
m_bValid = true;
return MIstatus::success;
}
else
return MIstatus::success;
// Next
++it;
}
return MIstatus::failure;
}
//++ ------------------------------------------------------------------------------------
// Details: Nothing to examine as we just want to consume the argument or option (ignore
// it).
// Type: Method.
// Args: None.
// Return: bool - True = yes ok, false = not ok.
// Throws: None.
//--
bool
CMICmdArgValConsume::IsOk(void) const
{
return true;
}