public void tokenize_plain_text(string text) {
var crayonstr = new CrayonString(text);
var tokens = crayonstr.Tokens;
tokens.Count.ShouldEqual(1);
var expected = new CrayonString.CrayonToken(text);
tokens[0].ShouldEqual(expected);
}
public CrayonString Colorize(string str)
{
var colorized = new CrayonString(str);
foreach (var pattern in patterns)
{
colorized = Colorize(colorized, pattern.Regex);
}
return colorized;
}
public void color_extenions_work()
{
var str1 = Crayon.Red("I'm red").Blue("I'm blue");
var str2 = new CrayonString(":red:I'm red:blue:I'm blue");
str2.ShouldEqual(str1);
str1 = Crayon.Red("I'm red").Blue("I'm blue").Default(" what?");
str2 = new CrayonString(":red:I'm red:blue:I'm blue:default: what?");
str2.ShouldEqual(str1);
}
private CrayonString ColorizeTokens(CrayonString str, Regex regex)
{
var tokens = str.Tokens;
var colorized = new List<CrayonString.CrayonToken>();
foreach (var token in tokens)
{
var ct = ColorizeToken(token, regex);
colorized.AddRange(ct);
}
if (colorized.Last().Color != CrayonColor.Default)
{
colorized.Add(new CrayonString.CrayonToken(""));
}
return new CrayonString(colorized);
}
public void plain_string_is_properly_parsed(string str)
{
CrayonString crayon = new CrayonString(str);
var tokens = crayon.Tokenize();
var sb = new StringBuilder();
foreach (var token in tokens)
{
sb.Append(token.Text);
}
var removedExcapes = str.Replace($"{CrayonString.escapeStart}{CrayonString.escapeStart}", $"{CrayonString.escapeStart}");
sb.ToString().ShouldEqual(removedExcapes);
}
public void colors_are_properly_parsed(string str) {
CrayonString crayon = new CrayonString(str);
var tokens = crayon.Tokenize();
var sb = new StringBuilder();
foreach (var token in tokens)
{
sb.Append(CrayonString.escapeStart)
.Append(token.Color.OriginalName)
.Append(CrayonString.escapeEnd);
sb.Append(token.Text);
}
//var removedExcapes = str.Replace($"{CrayonString.escapeStart}{CrayonString.escapeStart}", $"{CrayonString.escapeStart}");
sb.ToString().ShouldEqual(str);
}
private List<CrayonString.CrayonToken> ColorizeToken(CrayonString.CrayonToken token, Regex regex) {
if (token.Color != CrayonColor.Default) {
// do not process colorized tokens
return new List<CrayonString.CrayonToken>() { token };
}
var result = new StringBuilder();
var text = token.Text;
var matches = regex.Matches(text);
var idx = 0;
if (matches.Count > 0)
{
var names = regex.GetGroupNames();
foreach (Match m in matches)
{
var replaced = m.Captures[0].Value;
foreach (var name in names)
{
var i = 0;
/// ignore groups without names
if (int.TryParse(name, out i)) continue;
var group = m.Groups[name];
var color = GetColor(name);
var coloredString = color.Format(group.Value);
replaced = regex.ReplaceGroup(replaced, name, coloredString);
}
var before = text.Substring(idx, m.Index - idx);
result.Append(before);
result.Append(replaced);
idx = m.Index + m.Length;
}
}
result.Append(text.Substring(idx, text.Length - idx));
return new CrayonString(result.ToString()).Tokenize();
}
public CrayonString Colorize(CrayonString str, Regex regex)
{
return ColorizeTokens(str, regex);
}
private CrayonString ColorizeString(CrayonString str, Regex regex)
{
var result = new StringBuilder();
var matches = regex.Matches(str.Text);
var idx = 0;
if (matches.Count > 0)
{
var names = regex.GetGroupNames();
foreach (Match m in matches)
{
var replaced = m.Captures[0].Value;
foreach (var name in names)
{
var i = 0;
/// ignore groups without names
if (int.TryParse(name, out i)) continue;
var group = m.Groups[name];
var color = GetColor(name);
var coloredString = color.Format(group.Value);
replaced = regex.ReplaceGroup(replaced, name, coloredString);
}
var before = str.Text.Substring(idx, m.Index - idx);
result.Append(before);
result.Append(replaced);
idx = m.Index + m.Length;
}
}
result.Append(str.Text.Substring(idx, str.Text.Length - idx));
return new CrayonString(result.ToString());
}