TnbXmlAccessor.h

[詳解]

#pragma once
#include "TnbXml.h"
#include "TnbAccessor.h"
 
 
 
//T-TestCaseコードカバレッジDisable
#pragma comment(user,"T-Coverage Disable")
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class CXmlAccessor : public CAbstractAccessor
{
    DEFSUPER(CAbstractAccessor);
    CXmlElement         m_masterElement;
    mutable CXmlElement m_element;      
    mutable CStr        m_strSection;   
 
    bool m_SetSectionName(LPCTSTR lpszSectionName, bool isCreateMode) const
    {
        CStr sec = lpszSectionName;
        sec.Replace('\\', '/');
        if ( sec.IsEmpty() )
        {
            m_element = m_masterElement;
            m_strSection.Empty();
        }
        else if ( m_strSection != sec )
        {
            if ( ! isCreateMode )
            {
                m_element = m_masterElement.SelectSingleNode(sec);  //これで大丈夫か？
            }
            else
            {
                m_element = m_masterElement;
                while ( ! sec.IsEmpty() )
                {
                    CStr s;
                    INDEX idx = sec.Find('/');
                    if ( idx == INVALID_INDEX )
                    {
                        s = sec;
                        sec.Empty();
                    }
                    else
                    {
                        s = sec.Left(idx);
                        sec = sec.Mid(idx + 1);
                    }
                    bool find = false;
                    CXmlNodeList nlist = m_element.GetChildNodes();
                    loop ( i, nlist.GetLength() )
                    {
                        if ( nlist.GetNodeType(i) == MSXML::NODE_ELEMENT )
                        {
                            CXmlElement e = nlist.GetNode(i);
                            if ( e.GetNodeName() == s )
                            {
                                find = true;
                                m_element = e;
                                break;
                            }
                        }
                    }
                    if ( ! find )
                    {
                        m_element = m_element.AppendChildElement(s);
                    }
                }
            }
        }
        TRACE2( "master,current =[%s],[%s]\n", m_masterElement.GetElementFullPath(), m_element.GetElementFullPath() );
        bool r = m_element.IsValid();
        if ( ! r )
        {
            m_strSection.Empty();
        }
        return r;
    }
 
public:
 
    CXmlAccessor(void) : m_masterElement(), m_strSection(_T("//"))
    {
    }
 
    explicit CXmlAccessor(const CXmlElement& other) 
        : m_masterElement(other), m_strSection(_T("//"))
    {
    }
 
    virtual ~CXmlAccessor(void) 
    {
        m_element.Invalid();
        m_masterElement.Invalid();
    }
 
    void SetBase(const CXmlElement& other)
    {
        m_masterElement = other;
        m_strSection = _T("//");
    }
 
    virtual CStr GetTypeName(void) const
    {
        return _T("XML");
    }
 
    virtual bool Flush(void)
    {
        return true;
    }
 
    virtual CStrVector EnumSectionNames(LPCTSTR lpszSectionName = NULL) const
    {
        CStrVector vs;
        if ( m_SetSectionName(lpszSectionName, false) )
        {
            CXmlNodeList nlist = m_element.GetChildNodes();
            loop ( i, nlist.GetLength() )
            {
                if ( nlist.GetNodeType(i) == MSXML::NODE_ELEMENT )
                {
                    CXmlElement e = nlist.GetNode(i);
                    vs.Add(e.GetNodeName());
                }
            }
        }
        return vs;
    }
 
    virtual bool DeleteSection(LPCTSTR lpszSectionName)
    {
        if ( m_SetSectionName(lpszSectionName, false) )
        {
            m_element.Remove();
            return true;
        }
        return false;
    }
 
    virtual CStrVector EnumKeyNames(LPCTSTR lpszSectionName) const
    {
        CStrVector vs;
        if ( m_SetSectionName(lpszSectionName, false) )
        {
            loop ( i, m_element.GetAttributeLength() )
            {
                CXmlAttribute a = m_element.GetAttribute(i);
                if ( a.IsValid() )
                {
                    vs.Add(a.GetName());
                }
            }
        }
        return vs;
    }
 
    virtual EKind GetKeyKind(LPCTSTR lpszSectionName, LPCTSTR lpszKey) const
    {
        EKind kind = EK_Nothing;
        if ( m_SetSectionName(lpszSectionName, false) )
        {
            CXmlAttribute a = m_element.GetAttributeByName(lpszKey);
            if ( a.IsValid() )
            {
                kind = EK_String;
            }
        }
        return kind;
    }
 
    virtual CValue QueryValue(LPCTSTR lpszSectionName, LPCTSTR lpszKey) const
    {
        if ( m_SetSectionName(lpszSectionName, false) )
        {
            CXmlAttribute a = m_element.GetAttributeByName(lpszKey);
            if ( a.IsValid() )
            {
                return CValue(a.GetValue());
            }
        }
        return CValue();
    }
 
    virtual bool WriteValue(LPCTSTR lpszSectionName, LPCTSTR lpszKey, const IAccessor::CValue& value)
    {
        bool r = false;
        if ( value.GetKind() == EK_Nothing )
        {
            if ( m_SetSectionName(lpszSectionName, false) )
            {
                r = m_element.RemoveAttribute(lpszKey);
            }
        }
        else
        {
            if ( m_SetSectionName(lpszSectionName, true) )
            {
                CXmlAttribute a = m_element.SetAttribute(lpszKey, value.QueryString());
                r = a.IsValid();
            }
        }
        return r;
    }
};
 
 
 
}; // TNB
 
 
 
//T-TestCaseコードカバレッジEnable
#pragma comment(user,"T-Coverage Enable")