public HighlightRuleSet()
{
keyWords = new LookupTable(false);
prevMarkers = new LookupTable(false);
nextMarkers = new LookupTable(false);
}
//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;
}
}
