forked from OSchip/llvm-project
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
//===-- MICmdArgValListOfN.h ------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//++
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// File: MICmdArgValListOfN.h
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//
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// Overview: CMICmdArgValListOfN interface.
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//
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// Environment: Compilers: Visual C++ 12.
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// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
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// Libraries: See MIReadmetxt.
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//
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// Copyright: None.
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//--
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#pragma once
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// Third party headers:
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#include <vector>
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// In-house headers:
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#include "MICmdArgValListBase.h"
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// Declarations:
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class CMICmdArgContext;
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//++ ============================================================================
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// Details: MI common code class. Command argument class. Arguments object
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// needing specialization derived from the CMICmdArgValBase class.
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// An argument knows what type of argument it is and how it is to
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// interpret the options (context) string to find and validate a matching
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// argument and so extract a value from it .
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// The CMICmdArgValBase objects added to *this ListOfN container belong
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// to this container and will be deleted when *this object goes out of
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// scope.
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// To parse arguments like 'thread-id ...' i.e. 1 10 12 13 ...
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// If vbMandatory argument is true it takes on the (...)+ specification
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// otherwise assumed to be (...)* specification.
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// Based on the Interpreter pattern.
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// Gotchas: None.
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// Authors: Illya Rudkin 16/04/2014.
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// Changes: None.
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//--
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class CMICmdArgValListOfN : public CMICmdArgValListBase
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{
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// Methods:
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public:
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/* ctor */ CMICmdArgValListOfN(void);
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/* ctor */ CMICmdArgValListOfN(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd,
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const ArgValType_e veType);
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//
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const VecArgObjPtr_t &GetExpectedOptions(void) const;
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template <class T1, typename T2> bool GetExpectedOption(T2 &vrwValue) const;
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// Overridden:
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public:
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// From CMICmdArgValBase
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/* dtor */ virtual ~CMICmdArgValListOfN(void);
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// From CMICmdArgSet::IArg
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virtual bool Validate(CMICmdArgContext &vArgContext);
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// Methods:
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private:
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bool IsListOfN(const CMIUtilString &vrTxt) const;
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bool CreateList(const CMIUtilString &vrTxt);
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};
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//++ ------------------------------------------------------------------------------------
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// Details: Retrieve the first argument or option value from the list of 1 or more options
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// parsed from the command's options string.
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// Type: Template method.
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// Args: vrwValue - (W) Templated type return value.
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// T1 - The argument value's class type of the data hold in the list of options.
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// T2 - The type pf the variable which holds the value wanted.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed. List of object was empty.
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// Throws: None.
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//--
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template <class T1, typename T2>
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bool
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CMICmdArgValListOfN::GetExpectedOption(T2 &vrwValue) const
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{
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const VecArgObjPtr_t &rVecOptions(GetExpectedOptions());
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VecArgObjPtr_t::const_iterator it2 = rVecOptions.begin();
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if (it2 != rVecOptions.end())
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{
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const T1 *pOption = static_cast<T1 *>(*it2);
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vrwValue = pOption->GetValue();
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return MIstatus::success;
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}
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return MIstatus::failure;
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}
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