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//===-- MICmnStreamStdin.h --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#pragma once
// In-house headers:
#include "MIUtilString.h"
#include "MIUtilThreadBaseStd.h"
#include "MICmnBase.h"
#include "MIUtilSingletonBase.h"
//++ ============================================================================
// Details: MI common code class. Used to handle stream data from Stdin.
// Singleton class using the Visitor pattern. A driver using the interface
// provide can receive callbacks when a new line of data is received.
// Each line is determined by a carriage return.
// A singleton class.
//--
class CMICmnStreamStdin : public CMICmnBase, public MI::ISingleton<CMICmnStreamStdin>
{
// Give singleton access to private constructors
friend MI::ISingleton<CMICmnStreamStdin>;
// Methods:
public:
bool Initialize() override;
bool Shutdown() override;
//
const CMIUtilString &GetPrompt() const;
bool SetPrompt(const CMIUtilString &vNewPrompt);
void SetEnablePrompt(const bool vbYes);
bool GetEnablePrompt() const;
const char *ReadLine(CMIUtilString &vwErrMsg);
// Methods:
private:
/* ctor */ CMICmnStreamStdin();
/* ctor */ CMICmnStreamStdin(const CMICmnStreamStdin &);
void operator=(const CMICmnStreamStdin &);
// Overridden:
private:
// From CMICmnBase
/* dtor */ ~CMICmnStreamStdin() override;
// Attributes:
private:
CMIUtilString m_strPromptCurrent; // Command line prompt as shown to the user
bool m_bShowPrompt; // True = Yes prompt is shown/output to the user (stdout), false = no prompt
static const int m_constBufferSize = 2048;
char *m_pCmdBuffer;
};
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