/// <summary>
/// Parses the foreach. El formato es {{ foreach .posts -> post[, i] }}
/// Donde .posts es el IEnumerable que se itera, post es cada elemento en la iteración y i es el índice opcional.
/// </summary>
static IRenderizable ParseForeach(Token currentToken, List <Token> tokens, ref int index, Template mainTemplate)
{
var item = new Foreach();
if (tokens.Count <= index)
{
throw new TemplateException(string.Format("Invalid foreach at: {0}", currentToken.Position));
}
// Parsear el nombre del elemento de la iteración
var nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter)
{
throw new TemplateException(string.Format("Invalid if foreach at: {0}. Iterate name not found", currentToken.Position));
}
item.IterateKey = nextToken.Value.Trim(argumentSeparators);
index++;
// si hay una coma para separar, ignorarla
nextToken = tokens [index];
if (nextToken.Type == TokenType.Parameter && nextToken.Value.Trim() == ",")
{
index++;
nextToken = tokens [index];
}
// Parsear el indice de la iteración (es opcional)
if (nextToken.Type == TokenType.Parameter && nextToken.Value.Trim() != "in")
{
item.IndexKey = nextToken.Value.Trim(argumentSeparators);
index++;
}
// Parsear el separador "in"
nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter && nextToken.Value.Trim() != "in")
{
throw new TemplateException(string.Format("Invalid if foreach at: {0}. Iterate separator 'in' not found", currentToken.Position));
}
index++;
nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter)
{
throw new TemplateException(string.Format("Invalid foreach at: {0}. Model not found", currentToken.Position));
}
item.ModelKey = nextToken.Value.Trim();
index++;
item.Body = Parse(mainTemplate, tokens, ref index);
return(item);
}
/// <summary>
/// Parses the foreach. El formato es {{ foreach .posts -> post[, i] }}
/// Donde .posts es el IEnumerable que se itera, post es cada elemento en la iteración y i es el índice opcional.
/// </summary>
static IRenderizable ParseForeach (Token currentToken, List<Token> tokens, ref int index, Template mainTemplate)
{
var item = new Foreach ();
if (tokens.Count <= index)
{
throw new TemplateException(string.Format("Invalid foreach at: {0}", currentToken.Position));
}
// Parsear el nombre del elemento de la iteración
var nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter)
{
throw new TemplateException(string.Format("Invalid if foreach at: {0}. Iterate name not found", currentToken.Position));
}
item.IterateKey = nextToken.Value.Trim(argumentSeparators);
index++;
// si hay una coma para separar, ignorarla
nextToken = tokens [index];
if (nextToken.Type == TokenType.Parameter && nextToken.Value.Trim() == ",")
{
index++;
nextToken = tokens [index];
}
// Parsear el indice de la iteración (es opcional)
if (nextToken.Type == TokenType.Parameter && nextToken.Value.Trim() != "in")
{
item.IndexKey = nextToken.Value.Trim(argumentSeparators);
index++;
}
// Parsear el separador "in"
nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter && nextToken.Value.Trim() != "in")
{
throw new TemplateException(string.Format("Invalid if foreach at: {0}. Iterate separator 'in' not found", currentToken.Position));
}
index++;
nextToken = tokens [index];
if (nextToken.Type != TokenType.Parameter)
{
throw new TemplateException(string.Format("Invalid foreach at: {0}. Model not found", currentToken.Position));
}
item.ModelKey = nextToken.Value.Trim ();
index++;
item.Body = Parse(mainTemplate, tokens, ref index);
return item;
}
