/// <summary>
/// Creates the lexer from XML file used by the Notepad++ software.
/// </summary>
/// <param name="scintilla">The <see cref="Scintilla"/> which lexer style to set.</param>
/// <param name="lexerType">Type of the lexer.</param>
/// <param name="fileName">A file name to get the lexer type from.</param>
/// <param name="useGlobalOverride">A flag indicating whether the style "Global override" should be set for the lexer from the XML document.</param>
/// <param name="font">A flag indicating whether to use the defined font name from the XML document or not.</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 operation was successful, <c>false</c> otherwise.</returns>
public static bool CreateLexerFromFile(Scintilla scintilla, LexerType lexerType,
string fileName, bool useGlobalOverride, bool font, bool useWhiteSpace, bool useSelectionColors,
bool useMarginColors)
{
try
{
XDocument document = XDocument.Load(fileName);
ScintillaNotepadPlusPlusStyles.SetGlobalDefaultStyles(document, scintilla, useGlobalOverride, font);
ScintillaNotepadPlusPlusStyles.LoadScintillaStyleFromNotepadPlusXml(document, scintilla, useWhiteSpace,
useSelectionColors, useMarginColors);
ScintillaNotepadPlusPlusStyles.LoadLexerStyleFromNotepadPlusXml(document, scintilla,
lexerType); // TODO::Font?
scintilla.Lexer = LexerTypeName.GetLexerByLexerType(lexerType);
ScintillaKeyWords.SetKeywords(scintilla, lexerType);
LexerFoldProperties.SetFoldProperties(scintilla, lexerType);
ScintillaNotepadPlusPlusStyles.SetFolding(document, scintilla);
System.Diagnostics.Debug.WriteLine(scintilla.DescribeKeywordSets());
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);
}
}
