private static IEnumerable <IReadOnlyList <SyntaxNode> > RevertParseForIncompleteGroups(this IEnumerable <SyntaxNode> tags, LanguageSyntax syntax)
{
var groups = tags.CutToGroups(syntax).ToList();
foreach (var group in groups)
{
if (group.First().IsRawString || syntax.GetTag(group.First().TagName).GroupName == null)
{
foreach (var node in group)
{
yield return(new List <SyntaxNode> {
node
});
}
}
else
{
var groupName = syntax.GetTag(group.First().TagName).GroupName;
var expected = syntax.GetTagInGroup(groupName);
if (group.Count != expected.Count())
{
var str = group.Select(syntax.Build).SequenceToString("", "", "");
yield return(new List <SyntaxNode> {
SyntaxNode.CreateRawString(str)
});
}
else
{
yield return(group);
}
}
}
}
private static IEnumerable <IReadOnlyList <SyntaxNode> > CutToFullGroups(this List <SyntaxNode> group, LanguageSyntax syntax)
{
if (group.Count == 0)
{
return(new List <IReadOnlyList <SyntaxNode> >());
}
var groupName = group.First().IsRawString ? null : syntax.GetTag(group.First().TagName).GroupName;
if (groupName == null)
{
return new[] { group.ToList() }
}
;
var expected = syntax.GetTagInGroup(groupName).Select(t => t.Name).ToList();
var tags = group.ToList();
if (tags.Count < expected.Count)
{
return new[] { group.ToList() }
}
;
var isFullCombination = tags.IsFullCombination(expected);
var length = isFullCombination ? expected.Count : 1;
var result = new List <IReadOnlyList <SyntaxNode> >();
result.Add(tags.SubEnumerable(0, length).ToList());
result.AddRange(tags.SubEnumerable(length, tags.Count - length).ToList().CutToFullGroups(syntax));
return(result);
}
private static IEnumerable <IReadOnlyList <SyntaxNode> > CutToGroups(this IEnumerable <SyntaxNode> nodes, LanguageSyntax syntax)
{
return(nodes
.GroupWithSaveOrderBy(n => n.IsRawString ? null : syntax.GetTag(n.TagName).GroupName)
.Select(g => g.ToList())
.SelectMany(g => g.CutToFullGroups(syntax)));
}
public string Build(SyntaxNode tree)
{
if (tree.IsRawString)
{
return(tree.TagName);
}
if (tree.TagName == null)
{
return(string.Join("", tree.NestedNodes.Select(Build)));
}
var construction = Syntax.GetTag(tree.TagName);
return(construction.Begin.Lexem + string.Join("", tree.NestedNodes.Select(Build)) + construction.End.Lexem);
}
protected virtual string BuildTree(SyntaxNode tree)
{
if (tree.IsRawString)
{
return(tree.TagName);
}
if (tree.TagName == null)
{
return(string.Join("", tree.NestedNodes.OrderTagsInGroups(Syntax).Select(BuildTree)));
}
var construction = Syntax.GetTag(tree.TagName);
var nestedString = string.Join("", tree.NestedNodes.OrderTagsInGroups(Syntax).Select(BuildTree));
return(construction.Begin.Lexem + nestedString + construction.End.Lexem);
}
private static IEnumerable <IEnumerable <SyntaxNode> > OrderInGroups(this IEnumerable <IReadOnlyList <SyntaxNode> > groups, LanguageSyntax syntax)
{
return(groups.Select(group => !group.IsGroup(syntax) ? group : group.OrderBy(n => syntax.GetTag(n.TagName).GroupIndex) as IEnumerable <SyntaxNode>));
}
private static bool IsGroup(this IReadOnlyList <SyntaxNode> nodes, LanguageSyntax syntax)
{
return(nodes.First().IsTag&& syntax.GetTag(nodes.First().TagName).GroupName != null);
}