public void Union()
{
//begin
//x = (find 'a(b|c)' in abc.txt) union (find 'bc in abc.txt)
//end
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
statement.Id = new StringNode("x");
sl.Statement = statement;
AssignmentStatement as1 = new AssignmentStatement();
statement.AssignmentStatement = as1;
Exp exp = new Exp();
as1.Exp = exp;
#region First find
Term t1 = new Term();
exp.Term = t1;
Regex r1 = new Regex();
r1.Pattern = "([a-zA-Z])*ment([a-zA-Z])*";
t1.Regex = r1;
Filename file1 = new Filename();
file1.Path = "../../../TestFiles/file1.txt";
t1.Filename = file1;
#endregion
ExpTail expTail = new ExpTail();
exp.Tail = expTail;
BinOp bop = new BinOp();
expTail.Binop = bop;
StringNode operation = new StringNode("union");
bop.Operation = operation;
#region Second find
Term t2 = new Term();
expTail.Term = t2;
ExpTail expTail2 = new ExpTail();
expTail.Tail = expTail2;
Regex r2 = new Regex();
r2.Pattern = "([a-zA-Z])*(a|A)([a-zA-Z])*";
t2.Regex = r2;
Filename file2 = new Filename();
file2.Path = "../../../TestFiles/file2.txt";
t2.Filename = file2;
#endregion
miniRe.Execute(table);
StringMatchList matches = (StringMatchList) table["x"];
Assert.AreEqual(8, matches.Length);
String expected = "{\"mentor\"<'../../../TestFiles/file1.txt', 1>" +
"\"filament\"<'../../../TestFiles/file1.txt', 1>" +
"\"argument\"<'../../../TestFiles/file1.txt', 1>" +
"\"argumentative\"<'../../../TestFiles/file1.txt', 1><'../../../TestFiles/file2.txt', 1>" +
"\"Tournament\"<'../../../TestFiles/file1.txt', 1>" +
"\"Argument\"<'../../../TestFiles/file2.txt', 1>" +
"\"predicament\"<'../../../TestFiles/file2.txt', 1>" +
"\"apple\"<'../../../TestFiles/file2.txt', 1>" +
"}";
Assert.AreEqual(expected, matches.ToString());
}
public void Replace()
{
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
statement.Id = new StringNode("x");
sl.Statement = statement;
StatementListTail tail = new StatementListTail();
sl.Tail = tail;
Statement s2 = new Statement();
s2.Id = new StringNode("y");
tail.Statement = s2;
StatementListTail tail2 = new StatementListTail();
tail.Tail = tail2;
#region Statement 1
AssignmentStatement asStmt = new AssignmentStatement();
statement.AssignmentStatement = asStmt;
Exp exp = new Exp();
asStmt.Exp = exp;
Term term = new Term();
exp.Term = term;
Regex regex = new Regex();
regex.Pattern = "a";
term.Regex = regex;
Filename filename = new Filename();
filename.Path = "../../../TestFiles/file1.txt";
term.Filename = filename;
#endregion
#region Statement 2
AssignmentStatement as2 = new AssignmentStatement();
as2.Type = AssignmentStatementType.Length;
s2.AssignmentStatement = as2;
Exp exp2 = new Exp();
exp2.Id = new StringNode("x");
as2.Exp = exp2;
#endregion
#region Statement 3
Statement s3 = new Statement();
tail2.Statement = s3;
OtherStatement os = new OtherStatement();
os.Mode = OtherStatementMode.Replace;
os.ReplaceText = "b";
s3.OtherStatement = os;
Regex regex3 = new Regex();
regex3.Pattern = "(a|A)";
os.Regex = regex3;
Filenames filenames = new Filenames();
os.Filenames = filenames;
Filename filename2 = new Filename();
filename2.Path = "../../../TestFiles/file2.txt";
filenames.Filename = filename2;
Filename destimation = new Filename();
destimation.Path = "../../../TestFiles/file3.txt";
filenames.Destimation = destimation;
#endregion
miniRe.Execute(table);
String expected = "brgument brgumentbtive predicbment mentoring bpple";
StringBuilder actual = new StringBuilder();
using(FileStream fs = new FileStream("../../../TestFiles/file3.txt", FileMode.Open))
{
using(StreamReader sr = new StreamReader(fs))
{
actual.Append(sr.ReadToEnd());
}
}
Assert.AreEqual(expected, actual.ToString());
}
public void RecursiveReplace()
{
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
sl.Statement = statement;
OtherStatement os = new OtherStatement();
os.Mode = OtherStatementMode.RecursiveReplace;
statement.OtherStatement = os;
Regex regex = new Regex();
regex.Pattern = "abc";
os.Regex = regex;
Filenames filenames = new Filenames();
os.Filenames = filenames;
Filename source = new Filename();
source.Path = "../../../TestFiles/abc.txt";
filenames.Filename = source;
Filename dest = new Filename();
dest.Path = "../../../TestFiles/abc_output.txt";
filenames.Destimation = dest;
miniRe.Execute(table);
String expected = "bbc a bc a";
StringBuilder actual = new StringBuilder();
using (FileStream fs = new FileStream("../../../TestFiles/abc_output.txt", FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs))
{
actual.Append(sr.ReadToEnd());
}
}
Assert.AreEqual(expected, actual.ToString());
}
public void Print()
{
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
statement.Id = new StringNode("x");
sl.Statement = statement;
StatementListTail tail = new StatementListTail();
sl.Tail = tail;
Statement s2 = new Statement();
s2.Id = new StringNode("y");
tail.Statement = s2;
StatementListTail tail2 = new StatementListTail();
tail.Tail = tail2;
#region Statement 1
AssignmentStatement asStmt = new AssignmentStatement();
statement.AssignmentStatement = asStmt;
Exp exp = new Exp();
asStmt.Exp = exp;
Term term = new Term();
exp.Term = term;
Regex regex = new Regex();
regex.Pattern = "a";
term.Regex = regex;
Filename filename = new Filename();
filename.Path = "../../../TestFiles/file1.txt";
term.Filename = filename;
#endregion
#region Statement 2
AssignmentStatement as2 = new AssignmentStatement();
as2.Type = AssignmentStatementType.Length;
s2.AssignmentStatement = as2;
Exp exp2 = new Exp();
exp2.Id = new StringNode("x");
as2.Exp = exp2;
#endregion
#region Statement 3
Statement s3 = new Statement();
tail2.Statement = s3;
OtherStatement print = new OtherStatement();
print.Mode = OtherStatementMode.Print;
s3.OtherStatement = print;
ExpList expList = new ExpList();
print.ExpList = expList;
Exp exp3 = new Exp();
exp3.Id = new StringNode("y");
expList.Exp = exp3;
#endregion
using (MemoryStream ms = new MemoryStream())
{
StreamWriter sw = new StreamWriter(ms);
Console.SetOut(sw);
miniRe.Execute(table);
sw.Flush();
ms.Position = 0;
using (StreamReader sr = new StreamReader(ms))
{
String actual = sr.ReadToEnd();
Assert.AreEqual(7, Int32.Parse(actual));
}
}
}
public void MiniRE()
{
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
statement.Id = new StringNode("x");
sl.Statement = statement;
StatementListTail tail = new StatementListTail();
sl.Tail = tail;
Statement s2 = new Statement();
s2.Id = new StringNode("y");
tail.Statement = s2;
StatementListTail tail2 = new StatementListTail();
tail.Tail = tail2;
#region Statement 1
AssignmentStatement asStmt = new AssignmentStatement();
statement.AssignmentStatement = asStmt;
Exp exp = new Exp();
asStmt.Exp = exp;
Term term = new Term();
exp.Term = term;
Regex regex = new Regex();
regex.Pattern = "a";
term.Regex = regex;
Filename filename = new Filename();
filename.Path = "../../../TestFiles/file1.txt";
term.Filename = filename;
#endregion
#region Statement 2
AssignmentStatement as2 = new AssignmentStatement();
as2.Type = AssignmentStatementType.Length;
s2.AssignmentStatement = as2;
Exp exp2 = new Exp();
exp2.Id = new StringNode("x");
as2.Exp = exp2;
#endregion
miniRe.Execute(table);
object value = table["x"];
Assert.AreEqual(7, (int)table["y"]);
}
public void Maxfreqstr()
{
SymbolTable table = new SymbolTable();
MiniRE miniRe = new MiniRE();
StatementList sl = new StatementList();
miniRe.StatementList = sl;
Statement statement = new Statement();
statement.Id = new StringNode("x");
sl.Statement = statement;
AssignmentStatement as1 = new AssignmentStatement();
statement.AssignmentStatement = as1;
Exp exp1 = new Exp();
as1.Exp = exp1;
Term term = new Term();
exp1.Term = term;
Regex r1 = new Regex();
r1.Pattern = "[a-z]([a-z])*";
term.Regex = r1;
Filename filename = new Filename();
filename.Path = "../../../TestFiles/maxfreq.txt";
term.Filename = filename;
StatementListTail tail = new StatementListTail();
sl.Tail = tail;
Statement s2 = new Statement();
s2.Id = new StringNode("y");
tail.Statement = s2;
AssignmentStatement as2 = new AssignmentStatement();
as2.Type = AssignmentStatementType.MaxFreqString;
as2.Id = new StringNode("x");
s2.AssignmentStatement = as2;
miniRe.Execute(table);
Assert.AreEqual("hey", table["y"]);
}