base

2026-08-07 17:38:18 +09:00
commit 873193a243
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+// ShellString.cpp: implementation of the CShellString class.
+//
+/////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 2000-2001 by Paolo Messina
+// (http://www.geocities.com/ppescher - ppescher@yahoo.com)
+//
+// The contents of this file are subject to the Artistic License (the "License").
+// You may not use this file except in compliance with the License. 
+// You may obtain a copy of the License at:
+// http://www.opensource.org/licenses/artistic-license.html
+//
+// If you find this code useful, credits would be nice!
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "ShellString.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+void CShellString::Destroy()
+{
+	SMallocPtr pMalloc;
+	if (m_str.uType == STRRET_WSTR && m_str.pOleStr != NULL)
+	{
+		pMalloc->Free(m_str.pOleStr);
+		m_str.pOleStr = NULL;
+	}
+	ZeroMemory(&m_str, sizeof(STRRET));
+}
+
+STRRET* CShellString::GetPointer(LPCITEMIDLIST pidl, UINT uDesiredType)
+{
+	// reset the object
+	Destroy();
+	// init object
+	m_pidl = pidl;
+	ASSERT(m_pidl.IsValid());
+	m_str.uType = uDesiredType;
+
+	return &m_str;
+}
+
+CShellString::operator CString() const
+{
+	CString string;
+	switch (m_str.uType)
+	{
+	case STRRET_WSTR:
+		string = m_str.pOleStr;
+		break;
+	case STRRET_CSTR:
+		string = m_str.cStr;
+		break;
+	case STRRET_OFFSET:
+		string = ((LPBYTE)(LPCITEMIDLIST)m_pidl + m_str.uOffset);
+	}
+	return string;
+}