Ejemplo n.º 1
0
        string RenderPartial(Token token, MustacheContext ctx, string indent)
        {
            string name = token.Name;

            if (Partials == null)
            {
                return(string.Empty);
            }

            var partial = string.Empty;

            if (!Partials.TryGetValue(name, out partial))
            {
                return(string.Empty);
            }

            var key = "# partial #" + name + "#" + indent;

            if (!Cache.ContainsKey(key))
            {
                if (string.IsNullOrEmpty(indent))
                {
                    Cache[key] = new MustacheParser().Parse(partial, Delimiter.Default());
                }
                else
                {
                    var replaced = Regex.Replace(partial, @"^(.+)$", indent + "$1", RegexOptions.Multiline);
                    Cache[key] = new MustacheParser().Parse(replaced, Delimiter.Default());
                }
            }

            return(RenderTokens(ctx, Cache[key]));
        }
Ejemplo n.º 2
0
        string RenderInverted(Token token, MustacheContext ctx)
        {
            var value = ctx.Lookup(token.Name);

            if (value == null && StrictMode)
            {
                throw new MustacheException(string.Format("lookup failed name:'{0}' around:\n...{1}...\n", token.Name, token.SurroundingTemplate));
            }

            if (value.ShouldNotRender())
            {
                return(RenderTokens(ctx, token.Children));
            }

            return(string.Empty);
        }
Ejemplo n.º 3
0
        string RenderName(Token token, MustacheContext ctx, bool escape)
        {
            var value = ctx.Lookup(token.Name);

            if (value == null && StrictMode)
            {
                throw new MustacheException(string.Format("lookup failed name:'{0}' around:\n...{1}...\n", token.Name, token.SurroundingTemplate));
            }

            if (value == null)
            {
                return(string.Empty);
            }

            if (value.IsLambda())
            {
                var template = value.InvokeNameLambda() as string;
                var tokens   = new MustacheParser().Parse(template, Delimiter.Default());
                value = RenderTokens(ctx, tokens);

                // Recheck for null
                if (value == null)
                {
                    return(string.Empty);
                }
            }

            var s = value.ToString();

            if (s == "{ }")
            {
                return(string.Empty);
            }

            if (escape)
            {
                return(System.Web.HttpUtility.HtmlEncode(s));
            }

            return(s);
        }
Ejemplo n.º 4
0
        string RenderSection(Token token, MustacheContext ctx)
        {
            var value = ctx.Lookup(token.Name);

            if (value == null && StrictMode)
            {
                throw new MustacheException(string.Format("lookup failed name:'{0}' around:\n...{1}...\n", token.Name, token.SurroundingTemplate));
            }

            if (value.ShouldNotRender())
            {
                return(string.Empty);
            }

            if (value.IsLambda())
            {
                var template = value.InvokeSectionLambda(token.SectionTemplate) as string;
                if (!string.IsNullOrEmpty(template))
                {
                    if (!Cache.ContainsKey(template))
                    {
                        // When Lambdas are used as the data value for Section tag,
                        // the returned value MUST be rendered against the current delimiters.
                        Cache[template] = new MustacheParser().Parse(template, token.CurrentDelimiter);
                    }
                    return(RenderTokens(ctx, Cache[template]));
                }
            }

            if (value is ICollection)
            {
                var sb = new StringBuilder();
                foreach (object item in value as ICollection)
                {
                    sb.Append(RenderTokens(new MustacheContext(item, ctx), token.Children));
                }
                return(sb.ToString());
            }

            return(RenderTokens(new MustacheContext(value, ctx), token.Children));
        }
Ejemplo n.º 5
0
        string RenderTokens(MustacheContext ctx, List <Token> tokens)
        {
            var builder = new StringBuilder();

            foreach (var token in tokens)
            {
                switch (token.Type)
                {
                case TokenType.SectionOpen:
                    builder.Append(RenderSection(token, ctx));
                    break;

                case TokenType.InvertedSectionOpen:
                    builder.Append(RenderInverted(token, ctx));
                    break;

                case TokenType.Partial:
                    builder.Append(RenderPartial(token, ctx, token.PartialIndent));
                    break;

                case TokenType.Variable:
                    builder.Append(RenderName(token, ctx, true));
                    break;

                case TokenType.UnescapedVariable:
                    builder.Append(RenderName(token, ctx, false));
                    break;

                case TokenType.Text:
                    builder.Append(token.Template, token.StartIndex, token.TextLength);
                    break;
                }
            }

            return(builder.ToString());
        }
Ejemplo n.º 6
0
 /// <summary>
 /// Initialize.
 /// </summary>
 /// <param name="data">The data to be associated with this context.</param>
 /// <param name="parent">Parent context.</param>
 public MustacheContext(object data, MustacheContext parent)
 {
     Data   = data;
     Parent = parent;
 }