// 函数调用参数提示
public void QuerySignatureHelp(int offset)
{
// 获取元素
var element = GetException(offset);
if (element == null)
{
return;
}
// 获取类型
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
return;
}
var info = node.GetReference().QuerySignatureHelp(out int start, out int length);
if (info == null)
{
return;
}
if (info.param_list.Count == 0)
{
return;
}
Application.Current.Dispatcher.Invoke(() =>
{
if (m_view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageSignatureHelpSource), out ALanguageSignatureHelpSource source))
{
source.RefreshSignatureHelp(m_view, start, length, info);
if (m_view.Properties.TryGetProperty(nameof(ALanguageController), out ALanguageController controller))
{
controller.StartSignatureHelp(start);
}
}
else
{
if (m_view.Properties.TryGetProperty(nameof(ALanguageController), out ALanguageController controller))
{
controller.StartSignatureHelp(start);
}
if (m_view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageSignatureHelpSource), out source))
{
source.RefreshSignatureHelp(m_view, start, length, info);
}
}
});
}
// 拾取高亮
public void PeekHighlightWord(int offset, long version)
{
ABnfElement element = GetException(offset);
if (element == null)
{
return;
}
if (element is ABnfErrorElement)
{
return;
}
var target = element;
string value = element.GetElementText();
if (!m_left_pairs.ContainsKey(value) && !m_right_pairs.ContainsKey(value))
{
target = null;
}
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
return;
}
if (node.GetReference().PeekHighlightWord())
{
target = node;
}
if (target == null)
{
return;
}
var list = new List <ALanguageHighlightWordInfo>();
QueryHighlightWordTag(element, list);
Application.Current.Dispatcher.Invoke(() =>
{
if (m_view.Properties.TryGetProperty(nameof(ALanguageHighlightWordTagger), out ALanguageHighlightWordTagger tagger))
{
tagger.Refresh(version, list);
}
});
}
// 跳转
public void GotoDefinition(int offset)
{
var element = GetException(offset);
if (element == null)
{
return;
}
if (element is ABnfErrorElement)
{
return;
}
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
return;
}
var target = node.GetReference().GotoDefinition();
if (target == null)
{
return;
}
string full_path = target.GetFullPath();
int start = target.GetStart();
int length = target.GetLength();
Application.Current.Dispatcher.Invoke(() =>
{
if (m_view.Properties.TryGetProperty(nameof(UIViewItem), out UIViewItem info))
{
info.JumpToView(full_path, start, length);
}
});
}
// 高亮标签
public void QueryHighlightWordTag(ABnfElement element, List <ALanguageHighlightWordInfo> info_list)
{
// 找到对应的配对
string value = element.GetElementText();
if (m_left_pairs.TryGetValue(value, out string right_pair))
{
var parent = element.GetParent();
if (parent == null)
{
return;
}
// 找到所在的位置
var childs = parent.GetChilds();
int index = childs.IndexOf(element);
if (index < 0)
{
return;
}
// 往后找到对应的匹配
for (int i = index + 1; i < childs.Count; ++i)
{
if (childs[i].GetElementText() == right_pair)
{
var info = new ALanguageHighlightWordInfo();
info.start = element.GetStart();
info.end = element.GetEnd();
info_list.Add(info);
info = new ALanguageHighlightWordInfo();
info.start = childs[i].GetStart();
info.end = childs[i].GetEnd();
info_list.Add(info);
break;
}
}
return;
}
// 找到对应的配对
if (m_right_pairs.TryGetValue(value, out string left_pair))
{
var parent = element.GetParent();
if (parent == null)
{
return;
}
// 找到所在的位置
var childs = parent.GetChilds();
int index = childs.IndexOf(element);
if (index < 0)
{
return;
}
// 往前找到对应的匹配
for (int i = index - 1; i >= 0; --i)
{
if (childs[i].GetElementText() == left_pair)
{
var info = new ALanguageHighlightWordInfo();
info.start = element.GetStart();
info.end = element.GetEnd();
info_list.Add(info);
info = new ALanguageHighlightWordInfo();
info.start = childs[i].GetStart();
info.end = childs[i].GetEnd();
info_list.Add(info);
break;
}
}
return;
}
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
return;
}
// 找到高亮配对
node.GetReference().QueryHighlightWordTag(info_list);
}
// 获取信息
public void QueryQuickInfo(int offset)
{
// 获取元素
var element = GetException(offset);
if (element == null)
{
return;
}
if (element is ABnfErrorElement)
{
return;
}
// 获取类型
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
return;
}
element = node;
var info = node.GetReference().QueryQuickInfo();
if (info == null)
{
return;
}
int start = element.GetStart();
int length = element.GetLength();
Application.Current.Dispatcher.Invoke(() =>
{
if (m_view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageQuickInfoSource), out ALanguageQuickInfoSource source))
{
source.RefreshQuickInfo(start, length, info);
if (m_view.Properties.TryGetProperty(nameof(ALanguageController), out ALanguageController controller))
{
controller.StartQuickInfo(start);
}
}
else
{
if (m_view.Properties.TryGetProperty(nameof(ALanguageController), out ALanguageController controller))
{
controller.StartQuickInfo(start);
}
if (m_view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageQuickInfoSource), out source))
{
source.RefreshQuickInfo(start, length, info);
}
}
});
}
private bool QueryCompletionImpl(string input, int offset, out int start, out int length, out List <ALanguageCompletionInfo> list)
{
list = new List <ALanguageCompletionInfo>();
start = offset;
length = 1;
// 获取元素
var element = GetException(offset);
if (element == null)
{
var new_input = m_factory.ShowKeyWordCompletion(input, element);
if (new_input != null)
{
m_abnf.QueryKeyWordCompletion(new_input, list);
}
return(true);
}
if (element is ABnfErrorElement)
{
var new_input = m_factory.ShowKeyWordCompletion(input, element);
if (new_input != null)
{
m_abnf.QueryKeyWordCompletion(new_input, list);
}
return(true);
}
if (element.GetLength() != 0)
{
start = element.GetStart();
length = element.GetLength();
}
ABnfNodeElement node = element as ABnfNodeElement;
if (node == null)
{
node = element.GetParent();
}
if (node == null)
{
var new_input = m_factory.ShowKeyWordCompletion(input, node);
if (new_input != null)
{
m_abnf.QueryKeyWordCompletion(new_input, list);
}
return(true);
}
{
var new_input = m_factory.ShowKeyWordCompletion(input, node);
if (new_input != null)
{
m_abnf.QueryKeyWordCompletion(new_input, list);
}
}
var result = node.GetReference().QueryCompletion(offset, list);
if (list.Count == 0)
{
return(result);
}
list.Sort(delegate(ALanguageCompletionInfo a, ALanguageCompletionInfo b) { return(a.display.CompareTo(b.display)); });
return(true);
}
