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libs/Common/ConfigTable.cpp

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+////////////////////////////////////////////////////////////////////
+// ConfigTable.cpp
+//
+// Copyright 2007 cDc@seacave
+// Distributed under the Boost Software License, Version 1.0
+// (See http://www.boost.org/LICENSE_1_0.txt)
+
+#include "Common.h"
+#include "ConfigTable.h"
+
+using namespace SEACAVE;
+
+
+// D E F I N E S ///////////////////////////////////////////////////
+
+
+// S T R U C T S ///////////////////////////////////////////////////
+
+/*-----------------------------------------------------------*
+ * CConfigTable class implementation                         *
+ *-----------------------------------------------------------*/
+
+/**
+ * Constructor
+ */
+CConfigTable::CConfigTable(const String& name) : m_oSML(name), m_pParent(NULL)
+{
+	m_oSML.SetFncItem(ItemInitData, ItemSaveData, ItemReleaseData);
+}
+
+/**
+ * Destructor
+ */
+CConfigTable::~CConfigTable()
+{
+	if (m_pParent)
+		m_pParent->RemoveChild(*this);
+	Release();
+}
+/*----------------------------------------------------------------*/
+
+/**
+ * Released all used memory
+ */
+void CConfigTable::Release()
+{
+	m_oSML.Release();
+}
+/*----------------------------------------------------------------*/
+
+
+/**
+ * Create a new child
+ */
+void CConfigTable::Insert(const String& name)
+{
+	SML* const pChildSML = new SML(name);
+	pChildSML->SetFncItem(ItemInitData, ItemSaveData, ItemReleaseData);
+	const IDX idx = m_oSML.InsertChild(pChildSML);
+	// if child already exists, delete created node
+	if (m_oSML.GetArrChildren()[idx] != pChildSML)
+		delete pChildSML;
+}
+/*----------------------------------------------------------------*/
+
+
+/**
+ * Remove an existing child
+ */
+void CConfigTable::Remove(const String& name)
+{
+	m_oSML.DestroyChild(name);
+}
+/*----------------------------------------------------------------*/
+
+
+/**
+ * Get the config table for the given child
+ */
+const SML& CConfigTable::GetConfig(const String& name) const
+{
+	const LPSMLARR& arrSML = m_oSML.GetArrChildren();
+	const IDX idx = arrSML.FindFirst(&name, SML::CompareName);
+	ASSERT(idx != LPSMLARR::NO_INDEX);
+	return *arrSML[idx];
+} // GetConfig
+SML& CConfigTable::GetConfig(const String& name)
+{
+	const LPSMLARR& arrSML = m_oSML.GetArrChildren();
+	const IDX idx = arrSML.FindFirst(&name, SML::CompareName);
+	ASSERT(idx != LPSMLARR::NO_INDEX);
+	return *arrSML[idx];
+} // GetConfig
+/*----------------------------------------------------------------*/
+
+
+/**
+ * Load the configuration from a file.
+ */
+bool CConfigTable::Load(const String& f)
+{
+	return m_oSML.Load(f);
+} // Load
+bool CConfigTable::Load(ISTREAM& oStream)
+{
+	return m_oSML.Load(oStream);
+} // Load
+/**
+ * Write to a file the values of this node and its children.
+ * Set to false the second parameter in order not to save the empty children.
+ */
+bool CConfigTable::Save(const String& f, SML::SAVEFLAG flags) const
+{
+	return m_oSML.Save(f, flags);
+} // Save
+bool CConfigTable::Save(OSTREAM& oStream, SML::SAVEFLAG flags) const
+{
+	return m_oSML.Save(oStream, flags);
+} // Save
+/*----------------------------------------------------------------*/
+
+
+/**
+ * Create and initialize a config item for the given SML entry.
+ */
+void STCALL CConfigTable::ItemInitData(const String& key, SMLVALUE& val, void*)
+{
+	CFGITEM* pItem = new CFGITEM;
+	pItem->name = key;
+	val.data = pItem;
+} // ItemInitData
+/*----------------------------------------------------------------*/
+
+/**
+ * Save a config item for the given SML entry. Return false if this item should not be saved.
+ */
+bool STCALL CConfigTable::ItemSaveData(const SMLVALUE& val, void*)
+{
+	const CFGITEM& item = *((const CFGITEM*)val.data);
+	return !item.state.isSet(CFGITEM::TEMP);
+} // ItemSaveData
+/*----------------------------------------------------------------*/
+
+/**
+ * Release and destroy the config item for the given SML entry.
+ */
+void STCALL CConfigTable::ItemReleaseData(SMLVALUE& val, void*)
+{
+	CFGITEM* pItem = (CFGITEM*)val.data;
+	val.data = NULL;
+	delete pItem;
+} // ItemReleaseData
+/*----------------------------------------------------------------*/