path: root/tools/lldb-mi/MICmdArgValPrintValues.cpp

//===-- MICmdArgValPrintValues.cpp ------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// In-house headers:
#include "MICmdArgValPrintValues.h"
#include "MICmdArgContext.h"

//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdArgValPrintValues::CMICmdArgValPrintValues()
    : m_nPrintValues(0)
{
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues 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.
//--
CMICmdArgValPrintValues::CMICmdArgValPrintValues(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd)
    : CMICmdArgValBaseTemplate(vrArgName, vbMandatory, vbHandleByCmd)
    , m_nPrintValues(0)
{
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues destructor.
// Type:    Overridden.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdArgValPrintValues::~CMICmdArgValPrintValues()
{
}

//++ ------------------------------------------------------------------------------------
// Details: Parse the command's argument options string and try to extract the value *this
//          argument is looking for.
// Type:    Overridden.
// Args:    vwArgContext    - (RW) The command's argument options string.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdArgValPrintValues::Validate(CMICmdArgContext &vwArgContext)
{
    if (vwArgContext.IsEmpty())
        return m_bMandatory ? MIstatus::failure : MIstatus::success;

    const CMIUtilString strArg(vwArgContext.GetArgs()[0]);
    if (IsArgPrintValues(strArg) && ExtractPrintValues(strArg))
    {
        m_bFound = true;
        m_bValid = true;
        m_argValue = GetPrintValues();
        vwArgContext.RemoveArg(strArg);
        return MIstatus::success;
    }

    return MIstatus::failure;
}

//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid string type argument.
// Type:    Method.
// Args:    vrTxt   - (R) Some text.
// Return:  bool    - True = yes valid arg, false = no.
// Throws:  None.
//--
bool
CMICmdArgValPrintValues::IsArgPrintValues(const CMIUtilString &vrTxt) const
{
    return (CMIUtilString::Compare(vrTxt, "0") || CMIUtilString::Compare(vrTxt, "--no-values") ||
            CMIUtilString::Compare(vrTxt, "1") || CMIUtilString::Compare(vrTxt, "--all-values") ||
            CMIUtilString::Compare(vrTxt, "2") || CMIUtilString::Compare(vrTxt, "--simple-values"));
}

//++ ------------------------------------------------------------------------------------
// Details: Extract the print-values from the print-values argument.
// Type:    Method.
// Args:    vrTxt   - (R) Some text.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdArgValPrintValues::ExtractPrintValues(const CMIUtilString &vrTxt)
{
    if (CMIUtilString::Compare(vrTxt, "0") || CMIUtilString::Compare(vrTxt, "--no-values"))
        m_nPrintValues = 0;
    else if (CMIUtilString::Compare(vrTxt, "1") || CMIUtilString::Compare(vrTxt, "--all-values"))
        m_nPrintValues = 1;
    else if (CMIUtilString::Compare(vrTxt, "2") || CMIUtilString::Compare(vrTxt, "--simple-values"))
        m_nPrintValues = 2;
    else
        return MIstatus::failure;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Retrieve the print-values found in the argument.
// Type:    Method.
// Args:    None.
// Return:  MIuint - The print-values.
// Throws:  None.
//--
MIuint
CMICmdArgValPrintValues::GetPrintValues() const
{
    return m_nPrintValues;
}