///// <summary>
///// Replaces all occurrences of a specified string, with another specified string.
///// Replacing is produced with provision for tokens.
///// </summary>
///// <param name="textValue">Text for replace.</param>
///// <param name="oldValue">A String to be replaced.</param>
///// <param name="newValue">A String to replace all occurrences of oldValue.</param>
///// <returns>Replaced string.</returns>
//public static string Replace(string textValue, string oldValue, string newValue)
//{
// StringBuilder sb = new StringBuilder(textValue);
// StiLexer lexer = new StiLexer(textValue);
// StiToken token = null;
// do
// {
// token = lexer.GetToken();
// if (token.Type == StiTokenType.Ident && ((string)token.Data) == oldValue)
// {
// sb = sb.Replace(oldValue, newValue, token.Index, token.Length);
// lexer.positionInText += newValue.Length;
// }
// }
// while (token.Type != StiTokenType.EOF);
// return sb.ToString();
//}
/// <summary>
/// Replaces all occurrences of a specified String, with another specified String.
/// Before oldValue must follow specified prefix - token.
/// Replacing is produced with provision for tokens.
/// </summary>
/// <param name="textValue">Text for replace.</param>
/// <param name="prefix">Prefix - token.</param>
/// <param name="oldValue">A String to be replaced.</param>
/// <param name="newValue">A String to replace all occurrences of oldValue.</param>
/// <returns>Replaced string.</returns>
public static string ReplaceWithPrefix(string textValue, string prefix, string oldValue, string newValue)
{
StringBuilder sb = new StringBuilder(textValue);
StiLexer lexer = new StiLexer(textValue);
StiToken prefixToken = lexer.GetToken();
if (prefixToken.Type == StiTokenType.EOF)
{
return(textValue);
}
StiToken token = null;
do
{
token = lexer.GetToken();
if (token.Type == StiTokenType.Ident &&
prefixToken.Type == StiTokenType.Ident &&
((string)prefixToken.Data) == prefix &&
((string)token.Data) == oldValue)
{
sb = sb.Replace(oldValue, newValue, token.Index, token.Length);
lexer.positionInText += newValue.Length;
}
prefixToken = token;
}while (token.Type != StiTokenType.EOF);
return(sb.ToString());
}
public static List <StiToken> GetAllTokens(string str)
{
var tokens = new List <StiToken>();
var lexer = new StiLexer(str);
while (true)
{
var token = lexer.GetToken();
if (token == null || token.Type == StiTokenType.EOF)
{
return(tokens);
}
tokens.Add(token);
}
}
public static bool IdentExists(string str, string name, bool caseSensitive)
{
var lexer = new StiLexer(str);
while (true)
{
var token = lexer.GetToken();
if (token == null || token.Type == StiTokenType.EOF)
{
return(false);
}
if (token.Type == StiTokenType.Ident && token.Data != null)
{
if (caseSensitive && token.Data.ToString() == name)
{
return(true);
}
if (!caseSensitive && token.Data.ToString().ToLowerInvariant() == name.ToLowerInvariant())
{
return(true);
}
}
}
}