/// <summary>
/// 生成HTML
/// </summary>
/// <param name="isTag">是否包含当前标签</param>
/// <returns>HTML</returns>
public string Html(bool isTag)
{
if (TagName != null)
{
if (web.html.NonanalyticTagNames.Contains(TagName))
{
if (isTag && TagName.Length != 1)
{
using (charStream strings = new charStream())
{
tagHtml(strings);
strings.Write(nodeText.Html);
tagRound(strings);
return strings.ToString();
}
}
}
else
{
using (charStream strings = new charStream())
{
if (isTag) tagHtml(strings);
if (children.count() != 0)
{
htmlNode node;
list<nodeIndex> values = new list<nodeIndex>();
nodeIndex index = new nodeIndex { Values = children };
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
{
index = values.Pop();
index.Values[index.Index].tagRound(strings);
if (++index.Index == index.Values.Count)
{
index.Values = null;
continue;
}
}
}
node = index.Values[index.Index];
string nodeTagName = node.TagName;
bool isNonanalyticTagNames = nodeTagName != null && web.html.NonanalyticTagNames.Contains(nodeTagName);
if (node.children.count() == 0 || nodeTagName == null || isNonanalyticTagNames)
{
if (nodeTagName != null && nodeTagName.Length != 1) node.tagHtml(strings);
strings.Write(node.nodeText.Html);
if (nodeTagName != null && nodeTagName.Length != 1) node.tagRound(strings);
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
node.tagHtml(strings);
values.Add(index);
index.Values = node.children;
index.Index = 0;
}
}
}
if (isTag) tagRound(strings);
return strings.ToString();
}
}
}
return nodeText.Html;
}
/// <summary>
/// 子孙节点筛选
/// </summary>
/// <param name="path">筛选器</param>
/// <param name="value">筛选节点集合</param>
/// <returns>匹配的HTML节点集合</returns>
private static keyValue<list<htmlNode>, bool> filterNode(filter path, keyValue<list<htmlNode>, bool> value)
{
list<nodeIndex> values = new list<nodeIndex>();
nodeIndex index = new nodeIndex { Values = value.Key.getList() };
if (index.Values.Count != 0)
{
if (value.Value)
{
HashSet<htmlNode> newValues = new HashSet<htmlNode>(), historyNodes = new HashSet<htmlNode>();
if (path.values == null)
{
if (path.value != null)
{
string tagName = path.value;
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
if (node.TagName == tagName) newValues.Add(node);
if (node.children.count() == 0 || historyNodes.Contains(node))
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
historyNodes.Add(node);
index.Values = node.children;
index.Index = 0;
}
}
}
else
{
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
newValues.Add(node);
if (node.children.count() == 0 || historyNodes.Contains(node))
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
historyNodes.Add(node);
index.Values = node.children;
index.Index = 0;
}
}
}
}
else
{
staticHashSet<string> tagNames = path.values;
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
if (tagNames.Contains(node.TagName)) newValues.Add(node);
if (node.children.count() == 0 || historyNodes.Contains(node))
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
historyNodes.Add(node);
index.Values = node.children;
index.Index = 0;
}
}
}
if (newValues.Count != 0)
{
return new keyValue<list<htmlNode>, bool>(new list<htmlNode>(newValues), newValues.Count > 1);
}
}
else
{
list<htmlNode> newValues = new list<htmlNode>();
if (path.values == null)
{
if (path.value != null)
{
string tagName = path.value;
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
if (node.TagName == tagName) newValues.Add(node);
if (node.children.count() == 0)
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
index.Values = node.children;
index.Index = 0;
}
}
}
else
{
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
newValues.Add(node);
if (node.children.count() == 0)
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
index.Values = node.children;
index.Index = 0;
}
}
}
}
else
{
staticHashSet<string> tagNames = path.values;
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
htmlNode node = index.Values[index.Index];
if (tagNames.Contains(node.TagName)) newValues.Add(node);
if (node.children.count() == 0)
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
index.Values = node.children;
index.Index = 0;
}
}
}
if (newValues.Count != 0)
{
return new keyValue<list<htmlNode>, bool>(newValues, newValues.Count > 1);
}
}
}
return new keyValue<list<htmlNode>, bool>(null, false);
}
/// <summary>
/// 删除匹配的子孙节点
/// </summary>
/// <param name="isRemove">删除节点匹配器</param>
public void Remove(func<htmlNode, bool> isRemove)
{
if (isRemove != null)
{
removeChilds(isRemove);
if (children.count() != 0)
{
htmlNode node;
list<nodeIndex> values = new list<nodeIndex>();
nodeIndex index = new nodeIndex { Values = children };
while (true)
{
if (index.Values == null)
{
if (values.Count == 0) break;
else index = values.Pop();
}
node = index.Values[index.Index];
if (node.children != null) node.removeChilds(isRemove);
if (node.children.count() == 0)
{
if (++index.Index == index.Values.Count) index.Values = null;
}
else
{
if (++index.Index != index.Values.Count) values.Add(index);
index.Values = node.children;
index.Index = 0;
}
}
}
}
}
