/// <summary>
/// Initializes a new instance of the <see cref="ConstantStringToken"/> class.
/// </summary>
/// <param name="previousToken">The previous token.</param>
/// <param name="anchored">if set to <c>true</c> [anchored].</param>
/// <param name="searchValue">The constant string.</param>
public ConstantStringToken([CanBeNull] PatternToken previousToken, bool anchored, [NotNull] string searchValue)
{
Assert.ArgumentNotNull(searchValue, "searchValue");
_previousToken = previousToken;
_anchored = anchored;
SearchValue = searchValue;
}
/// <summary>
/// Initializes a new instance of the <see cref="VariableReferenceToken"/> class.
/// </summary>
/// <param name="rootModel">The root model.</param>
/// <param name="previousToken">The previous token.</param>
/// <param name="anchored">if set to <c>true</c> [anchored].</param>
/// <param name="variableName">Name of the variable.</param>
public VariableReferenceToken([NotNull] RootModel rootModel, [CanBeNull] PatternToken previousToken, bool anchored, [NotNull] string variableName)
: base(previousToken, anchored, string.Empty)
{
Assert.ArgumentNotNull(rootModel, "rootModel");
Assert.ArgumentNotNull(variableName, "variableName");
_rootModel = rootModel;
_variableName = variableName;
}
/// <summary>
/// Sets the next token.
/// </summary>
/// <param name="patternToken">The pattern token to set as next token.</param>
public void SetNextToken([NotNull] PatternToken patternToken)
{
Assert.ArgumentNotNull(patternToken, "patternToken");
NextToken = patternToken;
}
public static PatternToken ParseWildcardString([NotNull] string target, [NotNull] RootModel rootModel)
{
Assert.ArgumentNotNullOrWhiteSpace(target, "target");
Assert.ArgumentNotNull(rootModel, "rootModel");
int position = 0;
bool anchored = false;
PatternToken rootToken = null;
PatternToken previousToken = null;
var sb = new StringBuilder();
if (target[0] == '^')
{
position++;
anchored = true;
}
while (position < target.Length)
{
if (position < target.Length - 1)
{
if (target[position] == '%' && char.IsDigit(target[position + 1]) && target[position + 1] != '0')
{
var token = new WildcardToken(target[position + 1] - '0');
if (sb.Length != 0)
{
var constantToken = new ConstantStringToken(previousToken, anchored, sb.ToString());
sb.Clear();
if (previousToken != null)
{
previousToken.SetNextToken(constantToken);
}
previousToken = constantToken;
if (rootToken == null)
{
rootToken = constantToken;
}
}
position += 2;
anchored = false;
if (previousToken != null)
{
previousToken.SetNextToken(token);
}
previousToken = token;
if (rootToken == null)
{
rootToken = token;
}
continue;
}
if (target[position] == '$')
{
var endPosition = target.IndexOf(' ', position);
string variableName = endPosition >= position
? target.Substring(position + 1, endPosition - position - 1)
: target.Substring(position + 1);
if (sb.Length != 0)
{
var constantToken = new ConstantStringToken(previousToken, anchored, sb.ToString());
sb.Clear();
if (previousToken != null)
{
previousToken.SetNextToken(constantToken);
}
previousToken = constantToken;
if (rootToken == null)
{
rootToken = constantToken;
}
anchored = true;
}
var token = new VariableReferenceToken(rootModel, previousToken, anchored, variableName);
position += variableName.Length + 1;
if (previousToken != null)
{
previousToken.SetNextToken(token);
}
previousToken = token;
if (rootToken == null)
{
rootToken = token;
}
anchored = true;
continue;
}
}
sb.Append(target[position]);
position++;
}
if (sb.Length != 0)
{
var constantToken = new ConstantStringToken(previousToken, anchored, sb.ToString());
sb.Clear();
if (previousToken != null)
{
previousToken.SetNextToken(constantToken);
}
if (rootToken == null)
{
rootToken = constantToken;
}
}
return(rootToken ?? new FaultToken());
}