hanchenye-llvm-project/lldb/tools/lldb-mi/MICmnMIValueList.cpp

//===-- Platform.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 "MICmnMIValueList.h"
#include "MICmnResources.h"

//++ ------------------------------------------------------------------------------------
// Details: CMICmnMIValueList constructor.
// Type:    Method.
// Args:    vbValueTypeList - (R) True = yes value type list, false = result type list.
// Return:  None.
// Throws:  None.
//--
CMICmnMIValueList::CMICmnMIValueList(const bool vbValueTypeList)
{
    m_strValue = "[]";
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmnMIValueList constructor.
//          Construct a results only list.
//          return MIstatus::failure.
// Type:    Method.
// Args:    vResult - (R) MI result object.
// Return:  None.
// Throws:  None.
//--
CMICmnMIValueList::CMICmnMIValueList(const CMICmnMIValueResult &vResult)
{
    m_strValue = vResult.GetString();
    BuildList();
    m_bJustConstructed = false;
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmnMIValueList constructor.
//          Construct a value only list.
// Type:    Method.
// Args:    vValue  - (R) MI value object.
// Return:  None.
// Throws:  None.
//--
CMICmnMIValueList::CMICmnMIValueList(const CMICmnMIValue &vValue)
{
    m_strValue = vValue.GetString();
    BuildList();
    m_bJustConstructed = false;
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmnMIValueList destructor.
// Type:    Overrideable.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmnMIValueList::~CMICmnMIValueList(void)
{
}

//++ ------------------------------------------------------------------------------------
// Details: Build the result value's mandatory data part, one tuple
// Type:    Method.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmnMIValueList::BuildList(void)
{
    const MIchar *pFormat = "[%s]";
    m_strValue = CMIUtilString::Format(pFormat, m_strValue.c_str());

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Add another MI result object to  the value list's of list is results.
//          Only result obejcts can be added to a list of result otherwise this function
//          will return MIstatus::failure.
// Type:    Method.
// Args:    vResult - (R) The MI result object.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmnMIValueList::Add(const CMICmnMIValueResult &vResult)
{
    return BuildList(vResult);
}

//++ ------------------------------------------------------------------------------------
// Details: Add another MI value object to  the value list's of list is values.
//          Only values objects can be added to a list of values otherwise this function
//          will return MIstatus::failure.
// Type:    Method.
// Args:    vValue  - (R) The MI value object.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmnMIValueList::Add(const CMICmnMIValue &vValue)
{
    return BuildList(vValue);
}

//++ ------------------------------------------------------------------------------------
// Details: Add another MI result object to  the value list's of list is results.
//          Only result obejcts can be added to a list of result otherwise this function
//          will return MIstatus::failure.
// Type:    Method.
// Args:    vResult - (R) The MI result object.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmnMIValueList::BuildList(const CMICmnMIValueResult &vResult)
{
    // Clear out the default "<Invalid>" text
    if (m_bJustConstructed)
    {
        m_bJustConstructed = false;
        m_strValue = vResult.GetString();
        return BuildList();
    }

    const CMIUtilString data(ExtractContentNoBrackets());
    const MIchar *pFormat = "[%s,%s]";
    m_strValue = CMIUtilString::Format(pFormat, data.c_str(), vResult.GetString().c_str());

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Add another MI value object to  the value list's of list is values.
//          Only values objects can be added to a list of values otherwise this function
//          will return MIstatus::failure.
// Type:    Method.
// Args:    vValue  - (R) The MI value object.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmnMIValueList::BuildList(const CMICmnMIValue &vValue)
{
    // Clear out the default "<Invalid>" text
    if (m_bJustConstructed)
    {
        m_bJustConstructed = false;
        m_strValue = vValue.GetString();
        return BuildList();
    }

    // Remove already present '[' and ']' from the start and end
    m_strValue = m_strValue.Trim();
    size_t len = m_strValue.size();
    if ( (len > 1) && (m_strValue[0] == '[') && (m_strValue[len - 1] == ']') )
        m_strValue = m_strValue.substr(1, len - 2);
    const MIchar *pFormat = "[%s,%s]";
    m_strValue = CMIUtilString::Format(pFormat, m_strValue.c_str(), vValue.GetString().c_str());

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Retrieve the contents of *this value object but without the outer most
//          brackets.
// Type:    Method.
// Args:    None.
// Return:  CMIUtilString - Data within the object.
// Throws:  None.
//--
CMIUtilString
CMICmnMIValueList::ExtractContentNoBrackets(void) const
{
    CMIUtilString data(m_strValue);

    if (data[0] == '[')
    {
        data = data.substr(1, data.length() - 1);
    }
    if (data[data.size() - 1] == ']')
    {
        data = data.substr(0, data.length() - 1);
    }

    return data;
}