private Lexer(string text, TextReader reader, LexerBehavior behavior, LexerSettings settings)
{
if (settings == null)
{
settings = LexerSettings.Default;
}
else
{
settings = settings.Clone();
}
this.text = text;
this.reader = reader;
this.behavior = behavior;
this.settings = settings;
if (settings.Symbols != null)
{
foreach (KeyValuePair <string, int> entry in settings.Symbols)
{
int len = entry.Key.Length;
if (len > maxSymLen)
{
maxSymLen = len;
}
}
}
Reset();
}
public Lexer(string text, LexerSettings settings)
: this(text, null, LexerBehavior.Default, settings)
{
}
public Lexer(string text, LexerBehavior behavior, LexerSettings settings)
: this(text, null, behavior, settings)
{
}
public LexerSettings Clone()
{
LexerSettings settings = (LexerSettings)MemberwiseClone();
if (settings.CultureInfo == null)
{
settings.CultureInfo = CultureInfo.InvariantCulture;
}
if (settings.CompareInfo == null)
{
settings.CompareInfo = settings.CultureInfo.CompareInfo;
}
if (string.IsNullOrEmpty(settings.DecimalSeparator))
{
settings.DecimalSeparator = settings.CultureInfo.NumberFormat.NumberDecimalSeparator;
}
if (settings.Symbols != null && settings.Symbols.Count > 0)
{
settings.Symbols = new Dictionary <string, int>(settings.Symbols);
}
else
{
settings.Symbols = null;
}
if (settings.Keywords != null && settings.Keywords.Count > 0)
{
bool ignoreCase = (settings.Options & LexerOptions.IdentIgnoreCase) != 0;
settings.Keywords = new Dictionary <string, int>(settings.Keywords, StringComparer.Create(settings.CultureInfo, ignoreCase));
}
else
{
settings.Keywords = null;
}
if (settings.StringQuotes != null)
{
settings.StringQuotes = (char[])settings.StringQuotes.Clone();
}
if (settings.IdentChars != null)
{
settings.IdentChars = (char[])settings.IdentChars.Clone();
}
string[] inlineComments = settings.InlineComments;
if (inlineComments != null)
{
int length = inlineComments.Length;
int count = 0;
for (int i = 0; i < length; i++)
{
string inlineComment = inlineComments[i];
if (inlineComment == null)
{
continue;
}
if (i != count)
{
inlineComments[count] = inlineComment;
}
count++;
}
if (count == 0)
{
settings.InlineComments = null;
}
else
{
string[] arr = new string[count];
Array.Copy(inlineComments, 0, arr, 0, count);
}
}
if (!string.IsNullOrEmpty(settings.CommentBegin) && string.IsNullOrEmpty(settings.CommentEnd))
{
settings.CommentEnd = settings.CommentBegin;
}
return(settings);
}
public Lexer(TextReader reader, LexerSettings settings)
: this(null, reader, LexerBehavior.Default, settings)
{
}
public Lexer(TextReader reader, LexerBehavior behavior, LexerSettings settings)
: this(null, reader, behavior, settings)
{
}