public ForNode(string variableName, Expression itemsExpr, TemplateBlock body, string joiner)
{
this.variableName = variableName;
this.itemsExpr = itemsExpr;
this.body = body;
this.joiner = joiner;
}
public TemplateBlock parseBlock(int indentLen = 0)
{
var block = new TemplateBlock(new ITemplateNode[0]);
var indentMan = new BlockIndentManager(block, indentLen);
while (!this.reader.eof)
{
if (this.reader.peekExactly("{{/"))
{
break;
}
if (this.reader.readExactly("${"))
{
var expr = this.parser.parseExpression();
block.items.push(new ExpressionNode(expr));
this.reader.expectToken("}");
}
else if (this.reader.readExactly("$"))
{
var id = this.reader.expectIdentifier();
block.items.push(new ExpressionNode(new Identifier(id)));
}
else if (this.reader.readExactly("{{"))
{
var blockIndentLen = indentMan.removePrevIndent();
if (this.reader.readToken("for"))
{
var varName = this.reader.expectIdentifier();
this.reader.expectToken("of");
var itemsExpr = this.parser.parseExpression();
var attrs = this.parseAttributes();
this.reader.expectToken("}}");
var body = this.parseBlock(blockIndentLen);
this.reader.expectToken("{{/for}}");
block.items.push(new ForNode(varName, itemsExpr, body, attrs.get("joiner")));
}
else
{
var expr = this.parser.parseExpression();
block.items.push(new ExpressionNode(expr));
this.reader.expectToken("}}");
}
}
else
{
var literal = this.reader.readRegex("([^\\\\]\\\\(\\{\\{|\\$)|\r|\n|(?!\\{\\{|\\$\\{|\\$).)*").get(0);
if (literal == "")
{
throw new Error("This should not happen!");
}
block.items.push(indentMan.deindent(new LiteralNode(literal)));
}
}
if (indentLen != 0)
{
indentMan.removePrevIndent();
}
return(block);
}
public BlockIndentManager(TemplateBlock block, int indentLen)
{
this.block = block;
this.indentLen = indentLen;
this.deindentLen = -1;
}
