WebMarkupMin.Core.GenericHtmlMinifier.TextHandler C# (CSharp) Метод

        private void TextHandler(MarkupParsingContext context, string text)
        {
            HtmlNodeType previousNodeType = _currentNodeType;
            HtmlTag tag = _currentTag ?? HtmlTag.Empty;
            string tagNameInLowercase = tag.NameInLowercase;
            HtmlTagFlags tagFlags = tag.Flags;

            _currentNodeType = HtmlNodeType.Text;

            WhitespaceMinificationMode whitespaceMinificationMode = _settings.WhitespaceMinificationMode;
            if (whitespaceMinificationMode != WhitespaceMinificationMode.None)
            {
                if (_tagsWithNotRemovableWhitespaceQueue.Count == 0)
                {
                    if (context.Position == 0)
                    {
                        // Processing of starting whitespace
                        text = text.TrimStart();
                    }
                    else if (context.Position + text.Length == context.Length)
                    {
                        // Processing of ending whitespace
                        text = text.TrimEnd();
                    }
                    else if (previousNodeType == HtmlNodeType.StartTag)
                    {
                        // Processing of whitespace, that followed after the start tag
                        bool allowTrimStart = false;
                        if (tagFlags.HasFlag(HtmlTagFlags.Invisible)
                            || (tagFlags.HasFlag(HtmlTagFlags.NonIndependent) && tagFlags.HasFlag(HtmlTagFlags.Empty)))
                        {
                            allowTrimStart = true;
                        }
                        else
                        {
                            if (whitespaceMinificationMode == WhitespaceMinificationMode.Medium)
                            {
                                allowTrimStart = tagFlags.HasFlag(HtmlTagFlags.Block);
                            }
                            else if (whitespaceMinificationMode == WhitespaceMinificationMode.Aggressive)
                            {
                                allowTrimStart = tagFlags.HasFlag(HtmlTagFlags.Block)
                                    || ((tagFlags.HasFlag(HtmlTagFlags.Inline) || tagFlags.HasFlag(HtmlTagFlags.InlineBlock))
                                        && !tagFlags.HasFlag(HtmlTagFlags.Empty));
                            }
                        }

                        if (allowTrimStart)
                        {
                            text = text.TrimStart();
                        }
                    }
                    else if (previousNodeType == HtmlNodeType.EndTag)
                    {
                        // Processing of whitespace, that followed after the end tag
                        bool allowTrimStart = false;
                        if (tagFlags.HasFlag(HtmlTagFlags.Invisible)
                            || (tagFlags.HasFlag(HtmlTagFlags.NonIndependent)
                                && CanRemoveWhitespaceAfterEndNonIndependentTag(tag)))
                        {
                            allowTrimStart = true;
                        }
                        else
                        {
                            if (whitespaceMinificationMode == WhitespaceMinificationMode.Medium
                                || whitespaceMinificationMode == WhitespaceMinificationMode.Aggressive)
                            {
                                allowTrimStart = tagFlags.HasFlag(HtmlTagFlags.Block);
                            }
                        }

                        if (allowTrimStart)
                        {
                            text = text.TrimStart();
                        }
                    }
                    else if (previousNodeType == HtmlNodeType.Doctype || previousNodeType == HtmlNodeType.XmlDeclaration)
                    {
                        // Processing of whitespace, that followed after the document type declaration
                        // or XML declaration
                        text = text.TrimStart();
                    }

                    if (text.Length > 0
                        && !(tagFlags.HasFlag(HtmlTagFlags.Xml) && tagFlags.HasFlag(HtmlTagFlags.NonIndependent)))
                    {
                        text = Utils.CollapseWhitespace(text);
                    }
                }
                else if (previousNodeType == HtmlNodeType.StartTag && tagNameInLowercase == "textarea"
                    && string.IsNullOrWhiteSpace(text))
                {
                    text = string.Empty;
                }
            }

            if (text.Length > 0)
            {
                _buffer.Add(text);
            }
            else
            {
                _currentNodeType = previousNodeType;
            }

            _currentText = text;
        }