static Grammar GetIncludesGrammar()
{
if (grammarForIncludes == null)
{
var fileContent = LoadFromResource(DefaultNamespaceName, "Grammar", "IncludesGrammar1.ebnf");
EbnfStyle style = (EbnfStyle)(
(uint)EbnfStyle.Iso14977
//& ~(uint) EbnfStyle.WhitespaceSeparator
| (uint)EbnfStyle.EscapeTerminalStrings);
EbnfGrammar grammar;
try
{
grammar = new EbnfGrammar(style);
grammarForIncludes = grammar.Build(fileContent, "file");
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
/*
* System.ArgumentException: the topParser specified is not found in this ebnf
* at Eto.Parse.Grammars.EbnfGrammar.Build (System.String bnf, System.String startParserName) [0x00048] in <filename unknown>:0
* at Globals.Main (System.String[] args) [0x0002b] in /var/calculate/remote/distfiles/egit-src/SqlParser-on-EtoParse.git/test1/Program.cs:20
*/
throw;
}
}
return(grammarForIncludes);
}
public void TestSqlParser()
{
const string sqlStatement = @"select * from MyTable where MyColumn = hello";
var ebnfGrammar = new EbnfGrammar(EbnfStyle.W3c | EbnfStyle.SquareBracketAsOptional | EbnfStyle.WhitespaceSeparator);
var xmlGrammar = ebnfGrammar.Build(sqlW3cEbnf, "command");
var match = xmlGrammar.Match(sqlStatement);
Assert.IsTrue(match.Success, match.ErrorMessage);
}
public void TestEbnf()
{
var ebnfGrammar = new EbnfGrammar(EbnfStyle.Iso14977 | EbnfStyle.UseCommentRuleWithSeparator);
var myEbnf = ebnfGrammar.Build(ebnf, "syntax");
SetEbnfRules(myEbnf);
var match = myEbnf.Match(ebnf);
Assert.IsTrue(match.Success, match.ErrorMessage);
}
public void TestXmlParser()
{
const string xmlDocument = @"<?xml version='1.0' encoding='utf-8' ?>
<body class=""blah"">
<div>some text</div>
<!-- some comment -->
</body>";
var ebnfGrammar = new EbnfGrammar(EbnfStyle.W3c & ~EbnfStyle.UseCommentRuleWithSeparator);
var xmlGrammar = ebnfGrammar.Build(xmlW3cEbnf, "document");
var match = xmlGrammar.Match(xmlDocument);
Assert.True(match.Success, match.ErrorMessage);
}
public void TestXmlParser()
{
const string xmlDocument = @"<?xml version='1.0' encoding='utf-8' ?>
<body class=""blah"">
<div>some text</div>
<!-- some comment -->
</body>";
var ebnfGrammar = new EbnfGrammar(EbnfStyle.W3c & ~EbnfStyle.UseCommentRuleWithSeparator);
var xmlGrammar = ebnfGrammar.Build(xmlW3cEbnf, "document");
// define the terminals in the grammar
xmlGrammar.SetTerminals("Letter", "BaseChar", "Ideographic", "CombiningChar", "Digit", "Extender", "PubidChar", "Char", "S", "EnumeratedType", "NameChar", "Eq");
var match = xmlGrammar.Match(xmlDocument);
Assert.IsTrue(match.Success, match.ErrorMessage);
}
static void Main(string[] args)
{
var fileContent = LoadFromResource(nameof(rus_gramm_norm), "Grammar", "syntax2.ebnf");
EbnfStyle style = (EbnfStyle)(
(uint)EbnfStyle.Iso14977
//& ~(uint) EbnfStyle.WhitespaceSeparator
| (uint)EbnfStyle.EscapeTerminalStrings);
EbnfGrammar grammar;
Grammar parser;
try
{
grammar = new EbnfGrammar(style);
parser = grammar.Build(fileContent, nameOfTheStartingRule);
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
/*
* System.ArgumentException: the topParser specified is not found in this ebnf
* at Eto.Parse.Grammars.EbnfGrammar.Build (System.String bnf, System.String startParserName) [0x00048] in <filename unknown>:0
* at Globals.Main (System.String[] args) [0x0002b] in /var/calculate/remote/distfiles/egit-src/SqlParser-on-EtoParse.git/test1/Program.cs:20
*/
throw;
}
var originalContent = LoadFromResource(nameof(rus_gramm_norm), "Grammar", "syntax1.ebnf");
var match = parser.Match(originalContent);
if (match.Success == false)
{
Console.Out.WriteLine("No luck!");
}
else
{
DumpAllMatches(match, nameOfTheStartingRule);
}
}
public void InvalidGrammarShouldFail() => Assert.That(() => grammar.Build(source, "unknown"), Throws.InstanceOf <ArgumentException>());
