private ArrayTag ReadArray(TemplateContext context)
{
Debug.Assert(Peek() == '[');
Read(); // Skip '['
SkipWhitespace();
ArrayTag value = new ArrayTag();
if (Peek() == ']')
{
Read(); // Skip ']'
return(value);
}
for (;;)
{
value.Set(value.Count, ReadValue(context), context);
SkipWhitespace();
switch (Read())
{
case ',': SkipWhitespace(); break;
case ']': return(value);
default: throw new ParseException(string.Concat("Must be a comma or ']' after an array element. ", ReadToEnd()));
}
}
}
private ArrayTag ReadObject(TemplateContext context)
{
Debug.Assert(Peek() == '{');
Read(); // Skip '{'
SkipWhitespace();
ArrayTag value = new ArrayTag();
if (Peek() == '}')
{
Read();
return(value);
}
StringTag key;
for (int memberCount = 0; ;)
{
if (Peek() != '"')
{
throw new ParseException(string.Concat("Name of an object member must be a string. ", ReadToEnd()));
}
key = ReadString();
SkipWhitespace();
if (Peek() != ':')
{
throw new ParseException(string.Concat("There must be a colon after the name of object member. ", ReadToEnd()));
}
Read(); // Skip ':'
SkipWhitespace();
value.Set(key.ToString(), ReadValue(context), context);
SkipWhitespace();
++memberCount;
switch (Read())
{
case ',': SkipWhitespace(); break;
case '}': return(value);
default: throw new ParseException(string.Concat("Must be a comma or '}' after an object member. ", ReadToEnd()));
}
}
}
public Tag Parse(TemplateParser parser, TokenCollection tc)
{
if (ParserHelpers.IsEqual(tc.First.Text, Field.KEY_ARRAY))
{
if (tc.Count > 2 &&
(tc[1].TokenKind == TokenKind.LeftParentheses) &&
tc.Last.TokenKind == TokenKind.RightParentheses)
{
int pos = 0;
int begin = 2;
int end;
Tag tmp;
ArrayTag tag = new ArrayTag();
Stack <TokenKind> last = new Stack <TokenKind>();
for (int i = 2; i < tc.Count; ++i)
{
if ((tc[i].TokenKind == TokenKind.Comma && last.Count == 0) || i == (tc.Count - 1))
{
end = i - 1;
tmp = parser.Read(new TokenCollection(tc, begin, end));
if (tmp is ExpressionTag || tmp is SetTag)
{
if (tmp is SetTag)
{
SetTag set = (SetTag)tmp;
VariableTag var = new VariableTag();
var.Name = set.Name;
object val = var.Parse(parser.Context);
if (val != null)
{
if (val is string)
{
tag.Set((string)val, set.Value, parser.Context);
}
else if (VariableTag.IsNumber(val))
{
tag.Set((int)val, set.Value, parser.Context);
}
else
{
throw new ParseException(string.Concat("array key type is error:", tc), parser.Context.CurrentPath, tc.First.BeginLine, tc.First.BeginColumn);
}
}
else
{
throw new ParseException(string.Concat("array key is null referer:", tc), parser.Context.CurrentPath, tc.First.BeginLine, tc.First.BeginColumn);
}
}
else if (tmp.Children[0] is StringTag)
{
tag.Set(((StringTag)tmp.Children[0]).Value, tmp.Children[2], parser.Context);
}
else if (tmp.Children[0] is NumberTag)
{
tag.Set((int)((NumberTag)tmp.Children[0]).Value, tmp.Children[2], parser.Context);
}
else
{
throw new ParseException(string.Concat("array key type is error:", tc), parser.Context.CurrentPath, tc.First.BeginLine, tc.First.BeginColumn);
}
}
else
{
tag.Set(pos, tmp, parser.Context);
++pos;
}
begin = i + 1;
}
else if (tc[i].TokenKind == TokenKind.StringStart)
{
last.Push(TokenKind.StringStart);
}
else if (tc[i].TokenKind == TokenKind.LeftParentheses)
{
last.Push(TokenKind.LeftParentheses);
}
else if (tc[i].TokenKind == TokenKind.StringEnd && last.Peek() == TokenKind.StringStart)
{
last.Pop();
}
else if (tc[i].TokenKind == TokenKind.RightParentheses && last.Peek() == TokenKind.LeftParentheses)
{
last.Pop();
}
}
return(tag);
}
}
return(null);
}