Incorporated glbarcode library into source tree.

2017-04-09 19:14:13 -04:00
parent 76bd5a0c6b
commit b17cea7ace
47 changed files with 6290 additions and 0 deletions
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+/*  Factory.h
+ *
+ *  Copyright (C) 2013-2014  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of glbarcode++.
+ *
+ *  glbarcode++ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  glbarcode++ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with glbarcode++.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef glbarcode_Factory_h
+#define glbarcode_Factory_h
+
+#include "Barcode.h"
+
+#include <string>
+#include <map>
+#include "TypeIdList.h"
+
+
+/**
+ * Barcode factory base for CAPI
+ */
+extern "C" struct gbcFactory {};
+
+
+namespace glbarcode
+{
+	/**
+	 * @class Factory Factory.h glbarcode/Factory.h
+	 *
+	 * Singleton Barcode factory class.
+	 */
+	class Factory : public gbcFactory
+	{
+
+	public:
+		/**
+		 * Barcode creation function signature.
+		 */
+		typedef Barcode* (*BarcodeCreateFct)( void );
+
+
+	private:
+		/**
+		 * Barcode factory constructor
+		 */
+		Factory();
+
+
+	public:
+		/**
+		 * Initialize barcode factory.
+		 *
+		 * Initializes the barcode factory and registers all built-in Barcode types.  It
+		 * is optional for an application to call init(), because glbarcode++ will automatically
+		 * initialize the factory on demand.
+		 */
+		static void init( void );
+
+		
+		/**
+		 * Create barcode based on type ID string.
+		 *
+		 * @param[in] typeId Barcode type ID string
+		 */
+		static Barcode* createBarcode( const std::string& typeId );
+
+
+		/**
+		 * Register barcode type ID.
+		 *
+		 * @param[in] typeId Barcode type ID string
+		 * @param[in] fct Function to create barcode object of concrete Barcode class
+		 */
+		static void registerType( const std::string& typeId, BarcodeCreateFct fct );
+
+
+		/**
+		 * Is barcode type supported?
+		 *
+		 * @param[in] typeId Barcode type ID string
+		 */
+		static bool isTypeSupported( const std::string& typeId );
+
+
+		/**
+		 * Get list of supported types.
+		 */
+		static TypeIdList getSupportedTypes( void );
+
+
+	private:
+		/**
+		 * Internal register barcode type ID.
+		 *
+		 * @param[in] typeId Barcode type ID string
+		 * @param[in] fct Function to create barcode object of concrete Barcode class
+		 */
+		static void internalRegisterType( const std::string& typeId, BarcodeCreateFct fct );
+
+
+		/**
+		 * Map barcode type strings to creation functions.
+		 */
+		typedef std::map<std::string,BarcodeCreateFct> BarcodeTypeMap;
+		static BarcodeTypeMap mBarcodeTypeMap;
+
+
+		/**
+		 * Supported barcode types.
+		 */
+		static TypeIdList mSupportedTypes;
+
+	};
+
+}
+
+
+#endif // glbarcode_Factory_h