public NTermName()
{
this.GrammarComments = @"Test Seq grammar";
//Terminals
var term1 = new DsvLiteral("<", TypeCode.String);
var MyNonTerm = new NonTerminal("MyNonTerm");
//Rules
MyNonTerm.Rule = term1;
this.Root = MyNonTerm;
this.LanguageFlags |= LanguageFlags.NewLineBeforeEOF;
}//constructor
public GSeq()
{
this.GrammarComments = @"Test Seq grammar";
//Terminals
var term1 = new DsvLiteral("MULT", TypeCode.String);
var term2 = new DsvLiteral("PLUS", TypeCode.String);
var s = new NonTerminal("S");
//Rules
s.Rule = term1 + term2;
this.Root = s;
this.LanguageFlags |= LanguageFlags.NewLineBeforeEOF;
}//constructor
public void TestDataLiterals()
{
Parser parser; Token token;
Terminal term;
// FixedLengthLiteral ---------------------------------------------------------
term = new FixedLengthLiteral("fixedLengthInteger", 2, TypeCode.Int32);
parser = TestHelper.CreateParser(term, null);
token = parser.ParseInput("1200");
Assert.True(token.Value != null, "Failed to parse fixed-length integer.");
Assert.True((int)token.Value == 12, "Failed to parse fixed-length integer - result value does not match.");
term = new FixedLengthLiteral("fixedLengthString", 2, TypeCode.String);
parser = TestHelper.CreateParser(term);
token = parser.ParseInput("abcd", useTerminator: false);
Assert.True(token != null && token.Value != null, "Failed to parse fixed-length string.");
Assert.True((string)token.Value == "ab", "Failed to parse fixed-length string - result value does not match");
// DsvLiteral ----------------------------------------------------------------
term = new DsvLiteral("DsvInteger", TypeCode.Int32, ",");
parser = TestHelper.CreateParser(term);
token = parser.ParseInput("12,");
Assert.True(token != null && token.Value != null, "Failed to parse CSV integer.");
Assert.True((int)token.Value == 12, "Failed to parse CSV integer - result value does not match.");
term = new DsvLiteral("DsvInteger", TypeCode.String, ",");
parser = TestHelper.CreateParser(term);
token = parser.ParseInput("ab,");
Assert.True(token != null && token.Value != null, "Failed to parse CSV string.");
Assert.True((string)token.Value == "ab", "Failed to parse CSV string - result value does not match.");
// QuotedValueLiteral ----------------------------------------------------------------
term = new QuotedValueLiteral("QVDate", "#", TypeCode.DateTime);
parser = TestHelper.CreateParser(term);
token = parser.ParseInput("#11/15/2009#");
Assert.True(token != null && token.Value != null, "Failed to parse quoted date.");
Assert.True((DateTime)token.Value == new DateTime(2009, 11, 15), "Failed to parse quoted date - result value does not match.");
}//method
public void TestDataLiterals() {
Terminal term;
// FixedLengthLiteral ---------------------------------------------------------
term = new FixedLengthLiteral("fixedLengthInteger", 2, TypeCode.Int32);
SetTerminal(term);
TryMatch("1200");
Assert.IsTrue(_token != null && _token.Value != null, "Failed to parse fixed-length integer.");
Assert.IsTrue((int)_token.Value == 12, "Failed to parse fixed-length integer - result value does not match.");
term = new FixedLengthLiteral("fixedLengthString", 2, TypeCode.String);
SetTerminal(term);
TryMatch("abcd");
Assert.IsTrue(_token != null && _token.Value != null, "Failed to parse fixed-length string.");
Assert.IsTrue((string)_token.Value == "ab", "Failed to parse fixed-length string - result value does not match");
// DsvLiteral ----------------------------------------------------------------
term = new DsvLiteral("DsvInteger", TypeCode.Int32, ",");
SetTerminal(term);
TryMatch("12,");
Assert.IsTrue(_token != null && _token.Value != null, "Failed to parse CSV integer.");
Assert.IsTrue((int)_token.Value == 12, "Failed to parse CSV integer - result value does not match.");
term = new DsvLiteral("DsvInteger", TypeCode.String, ",");
SetTerminal(term);
TryMatch("ab,");
Assert.IsTrue(_token != null && _token.Value != null, "Failed to parse CSV string.");
Assert.IsTrue((string)_token.Value == "ab", "Failed to parse CSV string - result value does not match.");
// QuotedValueLiteral ----------------------------------------------------------------
term = new QuotedValueLiteral ("QVDate", "#", TypeCode.DateTime);
SetTerminal(term);
TryMatch("#11/15/2009#");
Assert.IsTrue(_token != null && _token.Value != null, "Failed to parse quoted date.");
Assert.IsTrue((DateTime)_token.Value == new DateTime(2009, 11, 15), "Failed to parse quoted date - result value does not match.");
}//method
public SampleCsvGrammar() {
this.GrammarComments =
@"A sample grammar for reading comma-separated file containing cars information
Demonstrates use of DsvLiteral. Use sample data file DataFiles\CarModels.csv.";
//Terminals
var year = new DsvLiteral("Year", TypeCode.Int16); // comma is default separator
var maker = new DsvLiteral("Maker", TypeCode.String);
var model = new DsvLiteral("Model", TypeCode.String);
var comment = new DsvLiteral("Comment", TypeCode.String);
var price = new DsvLiteral("Price", TypeCode.Double, null); //null means no terminator, look for NewLine
var line = new NonTerminal("Line");
var lines = new NonTerminal("Lines");
var data = new NonTerminal("data");
//Rules
line.Rule = year + maker + model + comment + price + NewLine; //we don't specify comma between fields, because our terminals consume separator automatically
lines.Rule = MakeStarRule(lines, line);
data.Rule = lines + NewLineStar; //to allow empty lines after
this.Root = data;
this.LanguageFlags |= LanguageFlags.NewLineBeforeEOF;
}//constructor
