public override ABnfGuessError CheckError()
{
ABnfLangFile file = m_element.GetFile() as ABnfLangFile;
var text = m_element.GetElementText();
HashSet <ABnfElement> rule_set;
file.m_rule.TryGetValue(text, out rule_set);
if (rule_set == null)
{
var parent = m_element.GetParent();
if (parent == null || parent.GetNodeType() != "Expression")
{
return(new ABnfGuessError(m_element, "未知类型"));
}
}
else if (rule_set.Count > 1)
{
return(new ABnfGuessError(m_element, "重复定义"));
}
if (text.Length != 0 && char.IsDigit(text[0]))
{
return(new ABnfGuessError(m_element, "规则名不能已数字开头"));
}
return(null);
}
public override bool QueryCompletion(int offset, List <ALanguageCompletionInfo> list)
{
ABnfLangFile file = m_element.GetFile() as ABnfLangFile;
var value = m_element.GetElementText();
foreach (var name in file.GetRuleSet().Keys)
{
if (name.StartsWith(value))
{
list.Add(new ALanguageCompletionInfo(name, null));
}
}
return(true);
}
public override ABnfElement GotoDefinition()
{
ABnfLangFile file = m_element.GetFile() as ABnfLangFile;
HashSet <ABnfElement> rule;
if (!file.GetRuleSet().TryGetValue(m_element.GetElementText(), out rule))
{
return(null);
}
foreach (ABnfElement e in rule)
{
return(e);
}
return(null);
}
public override void QueryHighlightWordTag(List <ALanguageHighlightWordInfo> list)
{
ABnfLangFile file = m_element.GetFile() as ABnfLangFile;
var value = m_element.GetElementText();
file.m_index.TryGetValue(value, out HashSet <ABnfNodeElement> set);
if (set == null)
{
return;
}
foreach (var element in set)
{
var info = new ALanguageHighlightWordInfo();
info.start = element.GetStart();
info.end = element.GetEnd();
list.Add(info);
}
}
public override string QueryQuickInfo()
{
ABnfLangFile file = m_element.GetFile() as ABnfLangFile;
HashSet <ABnfElement> rule_set;
file.GetRuleSet().TryGetValue(m_element.GetElementText(), out rule_set);
if (rule_set == null)
{
return(null);
}
List <string> content_list = new List <string>();
foreach (var rule in rule_set)
{
content_list.Add(rule.GetElementText());
}
return(string.Join("\n", content_list));
}