public StringParser(string sourceCode)
{
_chars = sourceCode.ToCharArray();
_pos = new TextPos { CharIndex = 0, LineNo = 1, ColNo = 1 };
}
public bool ThisWord(string[] wantedWordSet, ref int readIndex)
{
var priorPos = Pos;
string wordRead = null;
if (AnyWord(ref wordRead))
{
for (int i = 0; i < wantedWordSet.Length; i++)
if (wantedWordSet[i].Equals(wordRead, StringComparison.OrdinalIgnoreCase))
{
readIndex = i;
return true;
}
Pos = priorPos;
}
return false;
}
public bool ThisText(string wantedText)
{
Skip();
var priorPos = Pos;
var wantedChars = wantedText.ToCharArray();
for (int i = 0; i < wantedChars.Length; i++)
if (!ThisChar(wantedChars[i]))
{
Pos = priorPos;
return false;
}
return true;
}
public bool ThisWord(string wantedWord, ref string wordRead)
{
var priorPos = Pos;
if (AnyWord(ref wordRead))
{
if (wordRead.Equals(wantedWord, StringComparison.OrdinalIgnoreCase))
return true;
Pos = priorPos;
}
return false;
}
public bool ThisChar(string wantedCharSet, ref char charRead)
{
var priorPos = Pos;
if (AnyChar(ref charRead))
{
if (wantedCharSet.IndexOf(charRead.ToString(), StringComparison.OrdinalIgnoreCase) != -1)
return true;
Pos = priorPos;
}
return false;
}