Move to gitHub the edn project (remove history keep it on my nas)

Sources/Buffer/BufferManager.cpp

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+/**
+ *******************************************************************************
+ * @file BufferManager.cpp
+ * @brief Editeur De N'ours : Text Buffer manager (sources)
+ * @author Edouard DUPIN
+ * @date 08/12/2010
+ * @par Project
+ * Edn
+ *
+ * @par Copyright
+ * Copyright 2010 Edouard DUPIN, all right reserved
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY.
+ *
+ * Licence summary : 
+ *    You can modify and redistribute the sources code and binaries.
+ *    You can send me the bug-fix
+ *    You can not earn money with this Software (if the source extract from Edn
+ *        represent less than 50% of original Sources)
+ * Term of the licence in in the file licence.txt.
+ *
+ *******************************************************************************
+ */
+
+
+#include "tools_debug.h"
+#include "tools_globals.h"
+#include "BufferManager.h"
+//#include "MsgBroadcast.h"
+
+#undef __class__
+#define __class__	"BufferManager"
+
+// Constructeur
+/**
+ * @brief
+ *
+ * @param[in,out] ---
+ *
+ * @return ---
+ *
+ */
+BufferManager::BufferManager(void) : MsgBroadcast("Buffer Manager", EDN_CAT_BUFFER_MANAGER)
+{
+	// nothing to do ...
+	BufferNotExiste = new BufferEmpty();
+	m_idSelected = -1;
+}
+
+/**
+ * @brief
+ *
+ * @param[in,out] ---
+ *
+ * @return ---
+ *
+ */
+BufferManager::~BufferManager(void)
+{
+	//clean All Buffer
+	EDN_INFO("~BufferManager::RemoveAll();");
+	RemoveAll();
+	// clear The list of Buffer
+	EDN_INFO("~BufferManager::listBuffer.clear();");
+	listBuffer.clear();
+	EDN_INFO("~BufferManager::delete(BufferNotExiste);");
+	delete(BufferNotExiste);
+}
+
+
+void BufferManager::OnMessage(int32_t id, int32_t dataID)
+{
+	switch (id)
+	{
+		case EDN_MSG__NEW:
+			{
+				int32_t newOne = Create();
+				if (-1 != newOne) {
+					SendMessage(EDN_MSG__CURRENT_CHANGE_BUFFER_ID, newOne);
+				}
+			}
+			break;
+	}
+}
+
+
+
+
+
+
+
+/**
+ * @brief Remove all buffer opened
+ *
+ * @param[in,out] ---
+ *
+ * @return ---
+ *
+ */
+void BufferManager::RemoveAll(void)
+{
+	int32_t i;
+	for (i=0; i<(int32_t)listBuffer.size(); i++) {
+		Remove(i);
+	}
+	SendMessage(EDN_MSG__BUFFER_REMOVE_ALL);
+}
+
+
+
+/**
+ * @brief Create a new buffer with no name and empty
+ *
+ * @param[in,out] ---
+ *
+ * @return The ID of the curent buffer where the file is loaded
+ *
+ */
+int32_t	BufferManager::Create(void)
+{
+	// allocate a new Buffer
+	Buffer *myBuffer = new BufferText();
+	// Add at the list of element
+	listBuffer.push_back(myBuffer);
+	int32_t basicID = (int32_t)listBuffer.size() - 1;
+	SendMessage(EDN_MSG__BUFFER_ADD, basicID);
+	return basicID;
+}
+
+
+/**
+ * @brief open a file with the name set in parameters
+ *
+ * @param[in]		filename			curent filename
+ *
+ * @return The ID of the curent buffer where the file is loaded
+ *
+ * @todo : check if this file is not curently open and return the old ID
+ *
+ */
+int32_t BufferManager::Open(Edn::String &filename)
+{
+	// allocate a new Buffer
+	Buffer *myBuffer = new BufferText(filename);
+	// Add at the list of element
+	listBuffer.push_back(myBuffer);
+	int32_t basicID = (int32_t)listBuffer.size() - 1;
+	SendMessage(EDN_MSG__BUFFER_ADD, basicID);
+	return basicID;
+}
+
+
+
+Buffer * BufferManager::Get(int32_t BufferID)
+{
+	// possible special case : -1;
+	if (-1 >= BufferID) {
+		return BufferNotExiste;
+	}
+	// check if the Buffer existed
+	if (BufferID < (int32_t)listBuffer.size()) {
+		// check if the buffer already existed
+		if (NULL != listBuffer[BufferID]) {
+			return listBuffer[BufferID];
+		} else {
+			EDN_ERROR("non existing Buffer " << BufferID);
+		}
+	} else {
+		EDN_ERROR("call an non existing Buffer number too hight : " << BufferID << " > " << listBuffer.size());
+	}
+	return BufferNotExiste;
+}
+
+
+bool BufferManager::Exist(int32_t BufferID)
+{
+	if (-1 >= BufferID) {
+		return false;
+	}
+	// check if the Buffer existed
+	if (BufferID < (int32_t)listBuffer.size()) {
+		// check if the buffer already existed
+		if (NULL != listBuffer[BufferID]) {
+			return true;
+		}
+	}
+	return false;
+}
+
+
+int32_t BufferManager::GetId(Edn::String &filename)
+{
+	int32_t iii;
+	// check if the Buffer existed
+	for (iii=0; iii < (int32_t)listBuffer.size(); iii++) {
+		// check if the buffer already existed
+		if (NULL != listBuffer[iii]) {
+			if ( listBuffer[iii]->GetName() == filename) {
+				return iii;
+			}
+		}
+	}
+	return -1;
+}
+
+bool BufferManager::Exist(Edn::String &filename)
+{
+	if (-1 == GetId(filename)) {
+		return false;
+	}
+	return true;
+}
+
+
+// return the number of buffer (open in the past) if 5 buffer open and 4 close ==> return 5
+uint32_t BufferManager::Size(void)
+{
+	return listBuffer.size();
+}
+
+
+/**
+ * @brief
+ *
+ * @param[in,out] ---
+ *
+ * @return ---
+ *
+ */
+bool BufferManager::Remove(int32_t BufferID)
+{
+	if (-1 >= BufferID) {
+		return false;
+	}
+	// check if the Buffer existed
+	if (BufferID < (int32_t)listBuffer.size()) {
+		// check if the buffer already existed
+		if (NULL != listBuffer[BufferID]) {
+			// TODO : Check if it saved...
+			/*
+			if (false == IsSaved(BufferID) ) {
+				EDN_INFO("Buffer " << BufferID << " : Not Saved", BufferID);
+			}
+			*/
+			// Delete the Buffer
+			delete( listBuffer[BufferID] );
+			listBuffer[BufferID] = NULL;
+			SendMessage(EDN_MSG__BUFFER_REMOVE, BufferID);
+			return true;
+		} else {
+			EDN_INFO("non existing Buffer " << BufferID);
+			return false;
+		}
+	} else {
+		EDN_INFO("call an non existing Buffer number too hight : " << BufferID << " > " << listBuffer.size());
+		return false;
+	}
+}
+
+/**
+ * @brief to get the element 14 in the buffer 
+ *
+ * @param[in,out] ---
+ *
+ * @return ---
+ *
+ */
+int32_t BufferManager::WitchBuffer(int32_t iEmeElement)
+{
+	int32_t i;
+	for (i=0; i<(int32_t)listBuffer.size(); i++) {
+		if (NULL != listBuffer[i]) {
+			iEmeElement--;
+			// find the element : 
+			if (0 == iEmeElement) {
+				return i;
+			}
+		}
+	}
+	return -1;
+}
+
+
+
+
+
+