### 2023-02-21更新

------ #### SuperDesign V3.0.2302.2101 - *.[新增]全新文本编辑器,支持高亮、FTP查看和编辑、目录浏览，历史版本等众多功能。
2023-02-21 09:46:13 +08:00
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+#region License
+/*
+MIT License
+
+Copyright(c) 2020 Petteri Kautonen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#endregion
+
+using System.Drawing;
+using System.Linq;
+using System.Xml.Linq;
+
+namespace VPKSoft.ScintillaLexers.ScintillaNotepadPlusPlus
+{
+    /// <summary>
+    /// A helper class to get the mark colors from the Notepad++ software XML lexer definition file.
+    /// </summary>
+    public class MarkColors
+    {
+        /// <summary>
+        /// Gets or sets the smart high highlighting foreground color.
+        /// </summary>
+        public Color SmartHighLightingForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the smart high highlighting background color.
+        /// </summary>
+        public Color SmartHighLightingBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the incremental highlight all foreground color.
+        /// </summary>
+        public Color IncrementalHighlightAllForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the incremental highlight all background color.
+        /// </summary>
+        public Color IncrementalHighlightAllBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark one foreground color.
+        /// </summary>
+        public Color MarkOneForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark one background color.
+        /// </summary>
+        public Color MarkOneBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark two foreground color.
+        /// </summary>
+        public Color MarkTwoForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark two background color.
+        /// </summary>
+        public Color MarkTwoBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark three foreground color.
+        /// </summary>
+        public Color MarkThreeForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark three background color.
+        /// </summary>
+        public Color MarkThreeBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark four foreground color.
+        /// </summary>
+        public Color MarkFourForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark four background color.
+        /// </summary>
+        public Color MarkFourBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark five foreground color.
+        /// </summary>
+        public Color MarkFiveForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the mark five background color.
+        /// </summary>
+        public Color MarkFiveBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the current line background color.
+        /// </summary>
+        public Color CurrentLineBackground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets or sets the current line background color.
+        /// </summary>
+        public Color CurrentLineForeground { get; set; } = Color.Empty;
+
+        /// <summary>
+        /// Gets the color definitions from a XML style definition file.
+        /// </summary>
+        /// <param name="fileName">The name of the file.</param>
+        /// <returns>An instance to this (<see cref="MarkColors"/>) class.</returns>
+        public static MarkColors FromFile(string fileName)
+        {
+            return FromXDocument(XDocument.Load(fileName));
+        }
+
+        /// <summary>
+        /// Gets the color definitions from a XDocument style definition instance.
+        /// </summary>
+        /// <param name="document">The XDocument to document to get the styles from.</param>
+        /// <returns>An instance to this (<see cref="MarkColors"/>) class.</returns>
+        public static MarkColors FromXDocument(XDocument document)
+        {
+            try
+            {
+                MarkColors result = new MarkColors();
+                var nodes = document.Descendants(XName.Get("WidgetStyle")).Where(f =>
+                    f.Attribute("name")?.Value == "Current line background colour" ||
+                    f.Attribute("name")?.Value == "Smart HighLighting" ||
+                    f.Attribute("name")?.Value == "Incremental highlight all" ||
+                    f.Attribute("name")?.Value == "Mark Style 1" ||
+                    f.Attribute("name")?.Value == "Mark Style 2" ||
+                    f.Attribute("name")?.Value == "Mark Style 3" ||
+                    f.Attribute("name")?.Value == "Mark Style 4" ||
+                    f.Attribute("name")?.Value == "Mark Style 5");
+
+                foreach (var node in nodes)
+                {
+                    var style = XmlStyleNotepadPlusPlusHelper.FromXElement(node);
+                    if (style.Name == "Mark Style 1")
+                    {
+                        result.MarkOneForeground = style.ColorForeground;
+                        result.MarkOneBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Mark Style 2")
+                    {
+                        result.MarkTwoForeground = style.ColorForeground;
+                        result.MarkTwoBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Mark Style 3")
+                    {
+                        result.MarkThreeForeground = style.ColorForeground;
+                        result.MarkThreeBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Mark Style 4")
+                    {
+                        result.MarkFourForeground = style.ColorForeground;
+                        result.MarkFourBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Mark Style 5")
+                    {
+                        result.MarkFiveForeground = style.ColorForeground;
+                        result.MarkFiveBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Smart HighLighting")
+                    {
+                        result.SmartHighLightingForeground = style.ColorForeground;
+                        result.SmartHighLightingBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Incremental highlight all")
+                    {
+                        result.IncrementalHighlightAllForeground = style.ColorForeground;
+                        result.IncrementalHighlightAllBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Incremental highlight all")
+                    {
+                        result.IncrementalHighlightAllForeground = style.ColorForeground;
+                        result.IncrementalHighlightAllBackground = style.ColorBackground;
+                    }
+
+                    if (style.Name == "Current line background colour")
+                    {
+                        result.CurrentLineForeground = style.ColorForeground;
+                        result.CurrentLineBackground = style.ColorBackground;
+                    }
+                }
+
+                return result;
+            }
+            catch
+            {
+                return new MarkColors();
+            }
+        }
+    }
+}
@@ -0,0 +1,301 @@
+#region License
+/*
+MIT License
+
+Copyright(c) 2020 Petteri Kautonen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#endregion
+
+using System.Drawing;
+using System.Linq;
+using System.Xml.Linq;
+using ScintillaNET;
+using VPKSoft.ScintillaLexers.CreateSpecificLexer;
+using VPKSoft.ScintillaLexers.HelperClasses;
+
+namespace VPKSoft.ScintillaLexers.ScintillaNotepadPlusPlus
+{
+    /// <summary>
+    /// A class for loading global styles for the <see cref="Scintilla"/> from 
+    /// </summary>
+    public class ScintillaNotepadPlusPlusStyles
+    {
+        /// <summary>
+        /// Sets the global and default styles for the given <see cref="Scintilla"/> instance depending on the other parameters.
+        /// </summary>
+        /// <param name="document">A XML document containing the lexer style data.</param>
+        /// <param name="scintilla">The scintilla instance of which style to set.</param>
+        /// <param name="useGlobalOverride">if set to <c>true</c> the "Global override" style is read from the <paramref name="document"/>.</param>
+        /// <param name="font">If set to <c>true</c> the font name and size is read from the <paramref name="document"/>..</param>
+        /// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
+        public static bool SetGlobalDefaultStyles(XDocument document, Scintilla scintilla, bool useGlobalOverride, bool font)
+        {
+            try
+            {
+                scintilla.StyleResetDefault();
+
+                var globalStyle =
+                    document.Descendants(XName.Get("WidgetStyle")).FirstOrDefault(f =>
+                        f.Attribute("name") != null &&
+                        f.Attribute("name").Value == "Global override");
+
+                if (globalStyle != null && useGlobalOverride)
+                {
+                    SetStyle(scintilla, XmlStyleNotepadPlusPlusHelper.FromXElement(globalStyle), font);
+                }
+
+                var defaultStyle =
+                    document.Descendants(XName.Get("WidgetStyle")).FirstOrDefault(f =>
+                        f.Attribute("name") != null &&
+                        f.Attribute("name").Value == "Default Style");
+
+                SetStyle(scintilla, XmlStyleNotepadPlusPlusHelper.FromXElement(defaultStyle), font);
+
+                scintilla.StyleClearAll();
+
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Sets the folding of a <see cref="Scintilla"/> based on the "Fold" style defined in the XML document.
+        /// </summary>
+        /// <param name="document">The XML document to read the folding style from.</param>
+        /// <param name="scintilla">The instance to a scintilla of which folding style to set.</param>
+        /// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
+        public static bool SetFolding(XDocument document, Scintilla scintilla)
+        {
+            try
+            {
+                var foldStyle = // <WidgetStyle name="Fold"...
+                    document.Descendants(XName.Get("WidgetStyle")).FirstOrDefault(f =>
+                        f.Attribute("name") != null &&
+                        f.Attribute("name").Value == "Fold");
+
+                if (foldStyle == null)
+                {
+                    return false;
+                }
+
+                var style = XmlStyleNotepadPlusPlusHelper.FromXElement(foldStyle);
+
+                // the default colors as in the example.. (C)::https://github.com/jacobslusser/ScintillaNET/wiki/Automatic-Code-Folding
+
+                // Instruct the lexer to calculate folding..
+                LexerFoldProperties.FoldDefault(scintilla);
+
+                // Configure a margin to display folding symbols
+                scintilla.Margins[2].Type = MarginType.Symbol;
+                scintilla.Margins[2].Mask = Marker.MaskFolders;
+                scintilla.Margins[2].Sensitive = true;
+                scintilla.Margins[2].Width = 20;
+
+                // Set colors for all folding markers
+                for (int i = 25; i <= 31; i++)
+                {
+                    scintilla.Markers[i].SetForeColor(style.ColorBackground);
+                    scintilla.Markers[i].SetBackColor(style.ColorForeground);
+                }
+
+                // Configure folding markers with respective symbols
+                scintilla.Markers[Marker.Folder].Symbol = MarkerSymbol.BoxPlus;
+                scintilla.Markers[Marker.FolderOpen].Symbol = MarkerSymbol.BoxMinus;
+                scintilla.Markers[Marker.FolderEnd].Symbol = MarkerSymbol.BoxPlusConnected;
+                scintilla.Markers[Marker.FolderMidTail].Symbol = MarkerSymbol.TCorner;
+                scintilla.Markers[Marker.FolderOpenMid].Symbol = MarkerSymbol.BoxMinusConnected;
+                scintilla.Markers[Marker.FolderSub].Symbol = MarkerSymbol.VLine;
+                scintilla.Markers[Marker.FolderTail].Symbol = MarkerSymbol.LCorner;
+
+                // Enable automatic folding
+                scintilla.AutomaticFold = (AutomaticFold.Show | AutomaticFold.Click | AutomaticFold.Change);
+
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Sets the style of a given <see cref="Scintilla"/> with a given style.
+        /// </summary>
+        /// <param name="scintilla">The scintilla instance of which style to set.</param>
+        /// <param name="style">The style to set for the <paramref name="scintilla"/>.</param>
+        /// <param name="font">If set to <c>true</c> the font is also set from the given style.</param>
+        private static void SetStyle(Scintilla scintilla, XmlStyleNotepadPlusPlusHelper style, bool font)
+        {
+            if (style.ColorForeground != Color.Empty)
+            {
+                scintilla.Styles[style.StyleId].ForeColor = style.ColorForeground;
+            }
+
+            if (style.ColorBackground != Color.Empty)
+            {
+                scintilla.Styles[style.StyleId].BackColor = style.ColorBackground;
+            }
+
+            scintilla.Styles[style.StyleId].Italic = style.Italic;
+            scintilla.Styles[style.StyleId].Bold = style.Bold;
+            if (font)
+            {
+                scintilla.Styles[style.StyleId].Font = style.FontName;
+                scintilla.Styles[style.StyleId].Size = style.FontSize;
+            }
+        }
+
+        /// <summary>
+        /// Loads the Scintilla global styles from a Notepad++ style definition XML file.
+        /// </summary>
+        /// <param name="document">The XML document to read the global style from.</param>
+        /// <param name="scintilla">The Scintilla of which global styles to set.</param>
+        /// <param name="useWhiteSpace">A flag indicating whether to color the white space symbol.</param>
+        /// <param name="useSelectionColors">A flag indicating whether to color the selection.</param>
+        /// <param name="useMarginColors">A flag indicating whether to color the margin.</param>
+        /// <returns><c>true</c> if the operations was successful, <c>false</c> otherwise.</returns>
+        public static bool LoadScintillaStyleFromNotepadPlusXml(XDocument document, Scintilla scintilla,
+            bool useWhiteSpace, bool useSelectionColors, bool useMarginColors)
+        {
+            try
+            {
+                var nodes = document.Descendants(XName.Get("WidgetStyle"));
+                // loop through the color definition elements..
+
+                foreach (var node in nodes)
+                {
+                    var style = XmlStyleNotepadPlusPlusHelper.FromXElement(node);
+
+                    if (style.Name == "Indent guideline style" ||
+                        style.Name == "Brace highlight style" ||
+                        style.Name == "Bad brace colour" ||
+                        style.Name == "Find Mark Style" || // unknown (?): 31
+                        style.Name == "Line number margin" || // unknown (?): 33
+                        style.Name == "Smart HighLighting" || // unknown (?): 29
+                        style.Name == "Mark Style 1" || // unknown (?): 25
+                        style.Name == "Mark Style 2" || // unknown (?): 24
+                        style.Name == "Mark Style 3" || // unknown (?): 23
+                        style.Name == "Mark Style 4" || // unknown (?): 22
+                        style.Name == "Mark Style 5" || // unknown (?): 21
+                        style.Name == "Incremental highlight all" || // unknown (?): 28
+                        style.Name == "Tags match highlighting" || // unknown (?): 27
+                        style.Name == "ags attribute") // unknown (?): 26
+                    {
+                        if (style.ColorForeground != Color.Empty)
+                        {
+                            scintilla.Styles[style.StyleId].ForeColor = style.ColorForeground;
+                        }
+
+                        if (style.ColorBackground != Color.Empty)
+                        {
+                            scintilla.Styles[style.StyleId].BackColor = style.ColorBackground;
+                        }
+
+                        scintilla.Styles[style.StyleId].Italic = style.Italic;
+                        scintilla.Styles[style.StyleId].Bold = style.Bold;
+                    }
+                    else if (style.Name == "Current line background colour")
+                    {
+                        scintilla.CaretLineBackColor = style.ColorBackground;
+                    }
+                    else if (style.Name == "Selected text colour")
+                    {
+                        scintilla.SetSelectionForeColor(useSelectionColors, style.ColorForeground);
+                        scintilla.SetSelectionBackColor(useSelectionColors, style.ColorBackground);
+                    }
+                    else if (style.Name == "Caret colour")
+                    {
+                        scintilla.CaretForeColor = style.ColorForeground;
+                        //scintilla.Styles[style.StyleId].BackColor = style.ColorBackground;
+                        //scintilla.Styles[style.StyleId].ForeColor = style.ColorBackground;
+                        // caret background color not supported? StyleID: 2069
+                    }
+                    else if (style.Name == "Edge colour")
+                    {
+                        scintilla.EdgeColor = style.ColorForeground;
+                    }
+                    else if (style.Name == "Fold margin") // <WidgetStyle name="Fold margin"..
+                    {
+                        scintilla.SetFoldMarginHighlightColor(useMarginColors, style.ColorForeground);
+                        scintilla.SetFoldMarginColor(useMarginColors, style.ColorBackground);
+                    }
+                    else if (style.Name == "White space symbol") // <WidgetStyle name="White space symbol"..
+                    {
+                        scintilla.SetWhitespaceForeColor(useWhiteSpace, style.ColorForeground);
+                        scintilla.SetWhitespaceBackColor(useWhiteSpace, style.ColorBackground);
+                    }
+                }
+
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Gets the styles for a <see cref="Scintilla"/> from the Notepad++'s XML style files for a given lexer.
+        /// </summary>
+        /// <param name="document">The XML document to read the lexer style from.</param>
+        /// <param name="scintilla">The <see cref="Scintilla"/> which lexer style to set.</param>
+        /// <param name="lexerType">A <see cref="LexerEnumerations.LexerType"/> enumeration.</param>
+        /// <returns><c>true</c> if the operations was successful, <c>false</c> otherwise.</returns>
+        public static bool LoadLexerStyleFromNotepadPlusXml(XDocument document, Scintilla scintilla, 
+            LexerEnumerations.LexerType lexerType)
+        {
+            try
+            {
+                var nodes = document.Descendants(XName.Get("LexerType")).Where(f =>
+                    f.Attribute("name")?.Value == LexerTypeName.GetLexerXmlName(lexerType)).Descendants();
+
+                // loop through the color definition elements..
+                foreach (var node in nodes)
+                {
+                    var style = XmlStyleNotepadPlusPlusHelper.FromXElement(node);
+
+                    if (style.ColorForeground != Color.Empty)
+                    {
+                        scintilla.Styles[style.StyleId].ForeColor = style.ColorForeground;
+                    }
+
+                    if (style.ColorBackground != Color.Empty)
+                    {
+                        scintilla.Styles[style.StyleId].BackColor = style.ColorBackground;
+                    }
+
+                    scintilla.Styles[style.StyleId].Bold = style.Bold;
+                    scintilla.Styles[style.StyleId].Italic = style.Italic;
+                }
+
+                return true;
+            }
+            catch
+            {
+                // an error occurred so return false..
+                return false;
+            }
+        }
+    }
+}
@@ -0,0 +1,149 @@
+#region License
+/*
+MIT License
+
+Copyright(c) 2020 Petteri Kautonen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#endregion
+
+using System.Drawing;
+using System.Xml.Linq;
+
+namespace VPKSoft.ScintillaLexers.ScintillaNotepadPlusPlus
+{
+    /// <summary>
+    /// A helper class for Notepad++ XML style definition files.
+    /// </summary>
+    public class XmlStyleNotepadPlusPlusHelper
+    {
+        /// <summary>
+        /// Gets or sets the name of the style definition.
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether the style definition defines a fond as bold.
+        /// </summary>
+        public bool Bold { get; set;}
+
+        /// <summary>
+        /// Gets or sets a value indicating whether the style definition defines a fond as italic.
+        /// </summary>
+        public  bool Italic { get; set;}
+
+        /// <summary>
+        /// Gets or sets the style identifier from a style definition.
+        /// </summary>
+        public int StyleId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the foreground color of a font from a style definition.
+        /// </summary>
+        public Color ColorForeground { get; set; }
+
+        /// <summary>
+        /// Gets or sets the background color of a font from a style definition.
+        /// </summary>
+        public Color ColorBackground { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name of the font from a style definition.
+        /// </summary>
+        public string FontName { get; set; }
+
+        /// <summary>
+        /// Gets or sets the size of the font from a style definition.
+        /// </summary>
+        public int FontSize { get; set; }
+
+        /// <summary>
+        /// Gets the attribute value of a given <see cref="XElement"/>.
+        /// </summary>
+        /// <param name="element">The element to get the attribute from.</param>
+        /// <param name="attributeName">Name of the attribute.</param>
+        /// <param name="defaultValue">The default value for the attribute in case the attribute is null or the value is empty.</param>
+        /// <returns>The <see cref="XAttribute"/> value based on given parameters if successful; otherwise <paramref name="defaultValue"/>.</returns>
+        private static string GetAttributeValue(XElement element, string attributeName, string defaultValue = "")
+        {
+            var attribute = element.Attribute(attributeName);
+            if (attribute == null)
+            {
+                return defaultValue;
+            }
+            
+            if (attribute.Value.Trim() != string.Empty)
+            {
+                return attribute.Value.Trim();
+            }
+
+            return defaultValue;
+        }
+
+        /// <summary>
+        /// Gets the attribute value of a given <see cref="XElement"/> as a <see cref="Color"/>.
+        /// </summary>
+        /// <param name="element">The element to get the color attribute from.</param>
+        /// <param name="attributeName">Name of the attribute.</param>
+        /// <returns>A color if the operation was successful; otherwise Color.Empty.</returns>
+        private static Color GetAttributeAsColor(XElement element, string attributeName)
+        {
+            var attribute = element.Attribute(attributeName);
+            if (attribute == null)
+            {
+                return Color.Empty;
+            }
+            
+            if (attribute.Value.Trim() == string.Empty)
+            {
+                return Color.Empty;
+            }
+
+            try
+            {
+                return ColorTranslator.FromHtml("#" + element.Attribute(attributeName)?.Value);
+            }
+            catch
+            {
+                return Color.Empty;
+            } 
+        }
+
+        /// <summary>
+        /// Creates a new instance of this class based on the given <see cref="XElement"/>
+        /// </summary>
+        /// <param name="element">The element to get the style definition from.</param>
+        /// <returns>A <see cref="XmlStyleNotepadPlusPlusHelper"/> class instance filled with the style definition data.</returns>
+        public static XmlStyleNotepadPlusPlusHelper FromXElement(XElement element)
+        {
+            return new XmlStyleNotepadPlusPlusHelper
+            {
+                Name = GetAttributeValue(element, "name", "None"),
+                Bold = int.Parse(GetAttributeValue(element, "fontStyle", "0")) == 1,
+                Italic = int.Parse(GetAttributeValue(element, "fontStyle", "0")) == 2,
+                StyleId = int.Parse(GetAttributeValue(element, "styleID", "0")),
+                ColorForeground = GetAttributeAsColor(element, "fgColor"),
+                ColorBackground = GetAttributeAsColor(element, "bgColor"),
+                FontName = GetAttributeValue(element, "fontName", "Consolas"),
+                FontSize = int.Parse(GetAttributeValue(element, "fontSize", "10")),
+            };
+        }
+    }
+}