//每个RuleSet节点的样子:<RuleSet ignorecase = "false">......</RuleSet>
public HighlightRuleSet(XmlElement el)
{
if (el.Attributes["name"] != null)
{
Name = el.Attributes["name"].InnerText;
}
if (el.Attributes["noescapesequences"] != null)
{
noEscapeSequences = Boolean.Parse(el.Attributes["noescapesequences"].InnerText);
}
if (el.Attributes["reference"] != null)
{
reference = el.Attributes["reference"].InnerText;
}
if (el.Attributes["ignorecase"] != null)
{
ignoreCase = Boolean.Parse(el.Attributes["ignorecase"].InnerText);
}
for (int i = 0; i < Delimiters.Length; ++i)
{
Delimiters[i] = false;
}
if (el["Delimiters"] != null)
{
string delimiterString = el["Delimiters"].InnerText;
foreach (char ch in delimiterString)
{
Delimiters[(int)ch] = true; //将当前字符置为分隔符.
}
}
XmlNodeList nodes = null;
//以下是初始化Span.
nodes = el.GetElementsByTagName("Span");
foreach (XmlElement el2 in nodes)
{
Spans.Add(new Span(el2));
}
keyWords = new LookupTable(!IgnoreCase);
prevMarkers = new LookupTable(!IgnoreCase);
nextMarkers = new LookupTable(!IgnoreCase);
//以下是初始化KeyWords.
nodes = el.GetElementsByTagName("KeyWords");
foreach (XmlElement el2 in nodes)
{
HighlightColor color = new HighlightColor(el2);
XmlNodeList keys = el2.GetElementsByTagName("Key");
foreach (XmlElement node in keys)
{
keyWords[node.Attributes["word"].InnerText] = color; //为每个关键字都赋予一个HighLightColor对象.
}
}
//每个MarkPrevious节点的样子:
//<MarkPrevious bold = "true" italic = "false" color = "MidnightBlue">(</MarkPrevious>
nodes = el.GetElementsByTagName("MarkPrevious");
foreach (XmlElement el2 in nodes)
{
PrevMarker prev = new PrevMarker(el2);
prevMarkers[prev.What] = prev;
}
//每个MarkFollowing节点的样子和MarkFollowing的样子完全一样.
nodes = el.GetElementsByTagName("MarkFollowing");
foreach (XmlElement el2 in nodes)
{
NextMarker next = new NextMarker(el2);
nextMarkers[next.What] = next;
}
}
//功能同上面这个构造函数,只不过在初始化实例时提供了一个默认的实例对象.
public HighlightColor(XmlElement el, HighlightColor defaultColor)
{
Debug.Assert(el != null, "NetFocus.Components.TextEditor.Document.SyntaxColor(XmlElement el) : el == null");
if (el.Attributes["bold"] != null)
{
bold = Boolean.Parse(el.Attributes["bold"].InnerText);
}
else
{
bold = defaultColor.Bold;
}
if (el.Attributes["italic"] != null)
{
italic = Boolean.Parse(el.Attributes["italic"].InnerText);
}
else
{
italic = defaultColor.Italic;
}
if (el.Attributes["color"] != null)
{
string c = el.Attributes["color"].InnerText;
if (c[0] == '#')
{
color = ParseColor(c);
}
else if (c.StartsWith("SystemColors."))
{
systemColor = true;
systemColorName = c.Substring("SystemColors.".Length);
}
else
{
color = (Color)(Color.GetType()).InvokeMember(c, BindingFlags.GetProperty, null, Color, new object[0]);
}
hasForgeground = true;
}
else
{
color = defaultColor.color;
}
if (el.Attributes["bgcolor"] != null)
{
string c = el.Attributes["bgcolor"].InnerText;
if (c[0] == '#')
{
backgroundcolor = ParseColor(c);
}
else if (c.StartsWith("SystemColors."))
{
systemBgColor = true;
systemBgColorName = c.Substring("SystemColors.".Length);
}
else
{
backgroundcolor = (Color)(Color.GetType()).InvokeMember(c, BindingFlags.GetProperty, null, Color, new object[0]);
}
hasBackground = true;
}
else
{
backgroundcolor = defaultColor.BackgroundColor;
}
}
