lldb/tools/lldb-mi/MICmdArgValOptionShort.cpp

//===-- MICmdArgValOptionShort.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 "MICmdArgValOptionShort.h"
#include "MICmdArgContext.h"

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValOptionShort 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.
//--
CMICmdArgValOptionShort::CMICmdArgValOptionShort(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd)
    : CMICmdArgValOptionLong(vrArgName, vbMandatory, vbHandleByCmd)
{
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValOptionLong 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.
//          veType              - (R) The type of argument to look for and create argument object of a certain type.
//          vnExpectingNOptions - (R) The number of options expected to read following *this argument.
// Return:  None.
// Throws:  None.
//--
CMICmdArgValOptionShort::CMICmdArgValOptionShort(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd,
                                                 const ArgValType_e veType, const MIuint vnExpectingNOptions)
    : CMICmdArgValOptionLong(vrArgName, vbMandatory, vbHandleByCmd, veType, vnExpectingNOptions)
{
}

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

//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid short type option argument.
// Type:    Method.
// Args:    vrTxt   - (R) Some text.
// Return:  bool    - True = yes valid arg, false = no.
// Throws:  None.
//--
bool
CMICmdArgValOptionShort::IsArgShortOption(const CMIUtilString &vrTxt) const
{
    // Look for --someLongOption
    MIint nPos = vrTxt.find("--");
    if (nPos == 0)
        return false;

    // Look for -f short option
    nPos = vrTxt.find('-');
    if (nPos != 0)
        return false;

    if (vrTxt.length() > 2)
        return false;

    return true;
}

//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid short type option argument.
//          Long type argument looks like -f some short option.
// Type:    Overridden.
// Args:    vrTxt   - (R) Some text.
// Return:  bool    - True = yes valid arg, false = no.
// Throws:  None.
//--
bool
CMICmdArgValOptionShort::IsArgOptionCorrect(const CMIUtilString &vrTxt) const
{
    return IsArgShortOption(vrTxt);
}

//++ ------------------------------------------------------------------------------------
// Details: Does the argument name of the argument being parsed ATM match the name of
//          *this argument object.
// Type:    Overridden.
// Args:    vrTxt   - (R) Some text.
// Return:  bool    - True = yes arg name matched, false = no.
// Throws:  None.
//--
bool
CMICmdArgValOptionShort::ArgNameMatch(const CMIUtilString &vrTxt) const
{
    const CMIUtilString strArg = vrTxt.substr(1);
    return (strArg == GetName());
}