public SpanReplacementEngine(IEscapeRouteConfiguration config)
{
_config = config;
_pattern = GetPattern(config);
_replacementMap = CreateReplacementMap(config);
_unicodeReplacer = _config.UnicodeEscapeHandler
.GetReplacement(_config.UnicodeBehavior);
_unicodeSurrogateReplacer = _config.UnicodeSurrogateEscapeHandler
.GetReplacement(_config.UnicodeSurrogateBehavior);
}
private static HashSet <char> GetPattern(IEscapeRouteConfiguration config)
{
var pattern = new HashSet <char>()
{
config.BackspaceEscapeHandler.GetPattern(),
config.BackslashEscapeHandler.GetPattern(),
config.CarriageReturnEscapeHandler.GetPattern(),
config.DoubleQuoteEscapeHandler.GetPattern(),
config.FormFeedEscapeHandler.GetPattern(),
config.NewLineEscapeHandler.GetPattern(),
config.SingleQuoteEscapeHandler.GetPattern(),
config.TabEscapeHandler.GetPattern(),
config.UnicodeNullEscapeHandler.GetPattern()
};
return(pattern);
}
private static Dictionary <char, ReadOnlyMemory <char> > CreateReplacementMap(IEscapeRouteConfiguration config)
{
return(new Dictionary <char, ReadOnlyMemory <char> >()
{
{
config.BackspaceEscapeHandler.GetPattern(),
config.BackspaceEscapeHandler.GetReplacement(config.BackspaceBehavior)
},
{
config.BackslashEscapeHandler.GetPattern(),
config.BackslashEscapeHandler.GetReplacement(config.BackslashBehavior)
},
{
config.DoubleQuoteEscapeHandler.GetPattern(),
config.DoubleQuoteEscapeHandler.GetReplacement(config.DoubleQuoteBehavior)
},
{
config.FormFeedEscapeHandler.GetPattern(),
config.FormFeedEscapeHandler.GetReplacement(config.FormFeedBehavior)
},
{
config.SingleQuoteEscapeHandler.GetPattern(),
config.SingleQuoteEscapeHandler.GetReplacement(config.SingleQuoteBehavior)
},
{
config.TabEscapeHandler.GetPattern(),
config.TabEscapeHandler.GetReplacement(config.TabBehavior)
},
{
config.NewLineEscapeHandler.GetPattern(),
config.NewLineEscapeHandler.GetReplacement(config.NewLineBehavior)
},
{
config.CarriageReturnEscapeHandler.GetPattern(),
config.CarriageReturnEscapeHandler.GetReplacement(config.CarriageReturnBehavior)
},
{
config.UnicodeNullEscapeHandler.GetPattern(),
config.UnicodeNullEscapeHandler.GetReplacement(config.UnicodeNullBehavior)
}
});
}
