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Entity mapping language implementation using bsn-goldparser with CodeDom

, 6 Apr 2012
Use the GOLD Parser to define a language for mapping between two business entities, create a parser using the bsn-goldparser engine, and generate an assembly using CodeDom.
EntityMapper_src.zip
EntityMapper
bsn.GoldParser
bin
Debug
Grammar
obj
Debug
TempPE
Parser
Properties
Semantic
GoldRuleDeclaration.cgt
GoldRuleDeclaration.grm
Xml
EntityMapper
bin
Debug
EntityMapper.vshost.exe
EntityMapper.vshost.exe.manifest
CodeGen
EntityMapper.csproj.user
Model
MyTest.suo
obj
x86
Debug
Properties
Settings.settings
Semantic
EntityTransformation.cgt
EntityTransformation.grm
Service
// bsn GoldParser .NET Engine
// --------------------------
// 
// Copyright 2009, 2010 by Ars�ne von Wyss - avw@gmx.ch
// 
// Development has been supported by Sirius Technologies AG, Basel
// 
// Source:
// 
// https://bsn-goldparser.googlecode.com/hg/
// 
// License:
// 
// The library is distributed under the GNU Lesser General Public License:
// http://www.gnu.org/licenses/lgpl.html
// 
// This program 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.
// 
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
// 
using System;

namespace bsn.GoldParser.Grammar {
	/// <summary>
	/// Available parse messages.
	/// </summary>
	public enum ParseMessage {
		/// <summary>
		/// Nothing
		/// </summary>
		None = 0,

		/// <summary>
		/// Each time a token is read, this message is generated.
		/// </summary>
		TokenRead = 1,

		/// <summary>
		/// When the engine is able to reduce a rule,
		/// this message is returned. The rule that was
		/// reduced is set in the GOLDParser's ReduceRule property.
		/// The tokens that are reduced and correspond the
		/// rule's definition are stored in the Tokens() property.
		/// </summary>
		Reduction = 2,

		/// <summary>
		/// The engine will returns this message when the source
		/// text has been accepted as both complete and correct.
		/// In other words, the source text was successfully analyzed.
		/// </summary>
		Accept = 3,

		/// <summary>
		/// The tokenizer will generate this message when
		/// it is unable to recognize a series of characters
		/// as a valid token. To recover, pop the invalid
		/// token from the input queue.
		/// </summary>
		LexicalError = 5,

		/// <summary>
		/// Often the parser will read a token that is not expected
		/// in the grammar. When this happens, the Tokens() property
		/// is filled with tokens the parsing engine expected to read.
		/// To recover: push one of the expected tokens on the input queue.
		/// </summary>
		SyntaxError = 6,

		/// <summary>
		/// The parser reached the end of the file while reading a comment.
		/// This is caused when the source text contains a "run-away"
		/// comment, or in other words, a block comment that lacks the
		/// delimiter.
		/// </summary>
		CommentError = 7,

		/// <summary>
		/// Something is wrong, very wrong.
		/// </summary>
		InternalError = 8,

		/// <summary>
		/// A block comment is complete.
		/// When this message is returned, the content of the CurrentComment
		/// property is set to the comment text. The text includes starting and ending
		/// block comment characters.
		/// </summary>
		CommentBlockRead = 9,

		/// <summary>
		/// Line comment is read.
		/// When this message is returned, the content of the CurrentComment
		/// property is set to the comment text. The text includes starting 
		/// line comment characters.
		/// </summary>
		CommentLineRead = 10,
	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

matthew_from_hk
Founder
Hong Kong Hong Kong
I am always interested in finding innovative ways for building better applications and founded a technology company since 2003. Welcome to exchange any idea with you and if I am not too busy before deadline of projects, I will reply your emails. Also, if you willing to pay for consulting works and customized software development, you can leave me message.

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