Associates parameters to their argument values.
        private ArgumentCollection getArguments(TagDefinition definition, Match match, List<Context> context)
        {
            // make sure we don't have too many arguments
            List<Capture> captures = match.Groups["argument"].Captures.Cast<Capture>().ToList();
            List<TagParameter> parameters = definition.Parameters.ToList();
            if (captures.Count > parameters.Count)
            {
                string message = String.Format(Resources.WrongNumberOfArguments, definition.Name);
                throw new FormatException(message);
            }

            // provide default values for missing arguments
            if (captures.Count < parameters.Count)
            {
                captures.AddRange(Enumerable.Repeat((Capture)null, parameters.Count - captures.Count));
            }

            // pair up the parameters to the given arguments
            // provide default for parameters with missing arguments
            // throw an error if a missing argument is for a required parameter
            Dictionary<TagParameter, string> arguments = new Dictionary<TagParameter, string>();
            foreach (var pair in parameters.Zip(captures, (p, c) => new { Capture = c, Parameter = p }))
            {
                string value = null;
                if (pair.Capture != null)
                {
                    value = pair.Capture.Value;
                }
                else if (pair.Parameter.IsRequired)
                {
                    string message = String.Format(Resources.WrongNumberOfArguments, definition.Name);
                    throw new FormatException(message);
                }
                arguments.Add(pair.Parameter, value);
            }

            // indicate that a key/variable has been encountered
            // update the key/variable name
            ArgumentCollection collection = new ArgumentCollection();
            foreach (var pair in arguments)
            {
                string placeholder = pair.Value;
                IArgument argument = null;
                if (placeholder != null)
                {
                    if (placeholder.StartsWith("@"))
                    {
                        string variableName = placeholder.Substring(1);
                        VariableFoundEventArgs args = new VariableFoundEventArgs(placeholder.Substring(1), String.Empty, String.Empty, false, context.ToArray());
                        if (VariableFound != null)
                        {
                            VariableFound(this, args);
                            variableName = args.Name;
                        }
                        argument = new VariableArgument(variableName);
                    }
                    else if (RegexHelper.IsString(placeholder))
                    {
                        string value = placeholder.Trim('\'');
                        argument = new StringArgument(value);
                    }
                    else if (RegexHelper.IsNumber(placeholder))
                    {
                        decimal number;
                        if (Decimal.TryParse(placeholder, out number))
                        {
                            argument = new NumberArgument(number);
                        }
                    }
                    else
                    {
                        string placeholderName = placeholder;
                        PlaceholderFoundEventArgs args = new PlaceholderFoundEventArgs(placeholder, String.Empty, String.Empty, false, context.ToArray());
                        if (PlaceholderFound != null)
                        {
                            PlaceholderFound(this, args);
                            placeholderName = args.Key;
                        }
                        argument = new PlaceholderArgument(placeholderName);
                    }
                }
                collection.AddArgument(pair.Key, argument);
            }
            return collection;
        }
Exemple #2
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 /// <summary>
 /// Initializes a new instance of a CompoundGenerator.
 /// </summary>
 /// <param name="definition">The tag that the text is being generated for.</param>
 /// <param name="arguments">The arguments that were passed to the tag.</param>
 public CompoundGenerator(TagDefinition definition, ArgumentCollection arguments)
 {
     _definition        = definition;
     _arguments         = arguments;
     _primaryGenerators = new List <IGenerator>();
 }
Exemple #3
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        private ArgumentCollection getArguments(TagDefinition definition, Match match, List <Context> context)
        {
            // make sure we don't have too many arguments
            List <Capture>      captures   = match.Groups["argument"].Captures.Cast <Capture>().ToList();
            List <TagParameter> parameters = definition.Parameters.ToList();

            if (captures.Count > parameters.Count)
            {
                string message = String.Format("The wrong number of arguments were passed to an {0} tag.", definition.Name);
                throw new FormatException(message);
            }

            // provide default values for missing arguments
            if (captures.Count < parameters.Count)
            {
                captures.AddRange(Enumerable.Repeat((Capture)null, parameters.Count - captures.Count));
            }

            // pair up the parameters to the given arguments
            // provide default for parameters with missing arguments
            // throw an error if a missing argument is for a required parameter
            Dictionary <TagParameter, string> arguments = new Dictionary <TagParameter, string>();

            foreach (var pair in parameters.Zip(captures, (p, c) => new { Capture = c, Parameter = p }))
            {
                string value = null;
                if (pair.Capture != null)
                {
                    value = pair.Capture.Value;
                }
                else if (pair.Parameter.IsRequired)
                {
                    string message = String.Format("The wrong number of arguments were passed to an {0} tag.", definition.Name);
                    throw new FormatException(message);
                }
                arguments.Add(pair.Parameter, value);
            }

            // indicate that a key/variable has been encountered
            // update the key/variable name
            ArgumentCollection collection = new ArgumentCollection();

            foreach (var pair in arguments)
            {
                string    placeholder = pair.Value;
                IArgument argument    = null;
                if (placeholder != null)
                {
                    if (placeholder.StartsWith("@"))
                    {
                        string variableName         = placeholder.Substring(1);
                        VariableFoundEventArgs args = new VariableFoundEventArgs(placeholder.Substring(1), String.Empty, String.Empty, context.ToArray());
                        if (VariableFound != null)
                        {
                            VariableFound(this, args);
                            variableName = args.Name;
                        }
                        argument = new VariableArgument(variableName);
                    }
                    else if (RegexHelper.IsString(placeholder))
                    {
                        string value = placeholder.Trim('\'');
                        argument = new StringArgument(value);
                    }
                    else if (RegexHelper.IsNumber(placeholder))
                    {
                        decimal number;
                        if (Decimal.TryParse(placeholder, out number))
                        {
                            argument = new NumberArgument(number);
                        }
                    }
                    else
                    {
                        string placeholderName         = placeholder;
                        PlaceholderFoundEventArgs args = new PlaceholderFoundEventArgs(placeholder, String.Empty, String.Empty, context.ToArray());
                        if (PlaceholderFound != null)
                        {
                            PlaceholderFound(this, args);
                            placeholderName = args.Key;
                        }
                        argument = new PlaceholderArgument(placeholderName);
                    }
                }
                collection.AddArgument(pair.Key, argument);
            }
            return(collection);
        }
Exemple #4
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 /// <summary>
 /// Initializes a new instance of an InlineGenerator.
 /// </summary>
 /// <param name="definition">The tag to render the text for.</param>
 /// <param name="arguments">The arguments passed to the tag.</param>
 public InlineGenerator(TagDefinition definition, ArgumentCollection arguments)
 {
     _definition = definition;
     _arguments  = arguments;
 }
Exemple #5
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        private int buildCompoundGenerator(
            TagDefinition tagDefinition,
            List <Context> context,
            CompoundGenerator generator,
            string format, int formatIndex)
        {
            while (true)
            {
                Match match = findNextTag(tagDefinition, format, formatIndex);

                if (!match.Success)
                {
                    if (tagDefinition.ClosingTags.Any())
                    {
                        string message = String.Format("Expected a matching {0} tag but none was found.", tagDefinition.Name);
                        throw new FormatException(message);
                    }
                    break;
                }

                string leading = format.Substring(formatIndex, match.Index - formatIndex);

                if (match.Groups["key"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    formatIndex = match.Index + match.Length;
                    string key        = match.Groups["key"].Value;
                    string alignment  = match.Groups["alignment"].Value;
                    string formatting = match.Groups["format"].Value;
                    if (key.StartsWith("@"))
                    {
                        VariableFoundEventArgs args = new VariableFoundEventArgs(key.Substring(1), alignment, formatting, context.ToArray());
                        if (VariableFound != null)
                        {
                            VariableFound(this, args);
                            key        = "@" + args.Name;
                            alignment  = args.Alignment;
                            formatting = args.Formatting;
                        }
                    }
                    else
                    {
                        PlaceholderFoundEventArgs args = new PlaceholderFoundEventArgs(key, alignment, formatting, context.ToArray());
                        if (PlaceholderFound != null)
                        {
                            PlaceholderFound(this, args);
                            key        = args.Key;
                            alignment  = args.Alignment;
                            formatting = args.Formatting;
                        }
                    }
                    KeyGenerator keyGenerator = new KeyGenerator(key, alignment, formatting);
                    generator.AddGenerator(keyGenerator);
                }
                else if (match.Groups["open"].Success)
                {
                    formatIndex = match.Index + match.Length;
                    string        tagName        = match.Groups["name"].Value;
                    TagDefinition nextDefinition = _tagLookup[tagName];
                    if (nextDefinition == null)
                    {
                        string message = String.Format("Encountered an unknown tag: {0}. It was either not registered or exists in a different context.", tagName);
                        throw new FormatException(message);
                    }

                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    ArgumentCollection arguments = getArguments(nextDefinition, match, context);

                    if (nextDefinition.HasContent)
                    {
                        CompoundGenerator          compoundGenerator = new CompoundGenerator(nextDefinition, arguments);
                        IEnumerable <TagParameter> contextParameters = nextDefinition.GetChildContextParameters();
                        bool hasContext = contextParameters.Any();
                        if (hasContext)
                        {
                            ContextParameter[] parameters = contextParameters.Select(p => new ContextParameter(p.Name, arguments.GetKey(p))).ToArray();
                            context.Add(new Context(nextDefinition.Name, parameters));
                        }
                        formatIndex = buildCompoundGenerator(nextDefinition, context, compoundGenerator, format, formatIndex);
                        generator.AddGenerator(nextDefinition, compoundGenerator);
                        if (hasContext)
                        {
                            context.RemoveAt(context.Count - 1);
                        }
                    }
                    else
                    {
                        InlineGenerator inlineGenerator = new InlineGenerator(nextDefinition, arguments);
                        generator.AddGenerator(inlineGenerator);
                    }
                }
                else if (match.Groups["close"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    string        tagName        = match.Groups["name"].Value;
                    TagDefinition nextDefinition = _tagLookup[tagName];
                    formatIndex = match.Index;
                    if (tagName == tagDefinition.Name)
                    {
                        formatIndex += match.Length;
                    }
                    break;
                }
                else if (match.Groups["comment"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    formatIndex = match.Index + match.Length;
                }
                else if (match.Groups["unknown"].Success)
                {
                    string tagName = match.Value;
                    string message = String.Format("Encountered an unknown tag: {0}. It was either not registered or exists in a different context.", tagName);
                    throw new FormatException(message);
                }
            }
            return(formatIndex);
        }
Exemple #6
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        private int buildCompoundGenerator(
            TagDefinition tagDefinition,
            List <Context> context,
            CompoundGenerator generator,
            string format, int formatIndex)
        {
            while (true)
            {
                Match match = findNextTag(tagDefinition, format, formatIndex);

                if (!match.Success)
                {
                    if (tagDefinition.ClosingTags.Any())
                    {
                        string message = String.Format(Resources.MissingClosingTag, tagDefinition.Name);
                        throw new FormatException(message);
                    }
                    break;
                }

                string leading = format.Substring(formatIndex, match.Index - formatIndex);

                if (match.Groups["key"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    formatIndex = match.Index + match.Length;
                    string key        = match.Groups["key"].Value;
                    string alignment  = match.Groups["alignment"].Value;
                    string formatting = match.Groups["format"].Value;
                    if (key.StartsWith("@"))
                    {
                        VariableFoundEventArgs args = new VariableFoundEventArgs(key.Substring(1), alignment, formatting, context.ToArray());
                        if (VariableFound != null)
                        {
                            VariableFound(this, args);
                            key        = "@" + args.Name;
                            alignment  = args.Alignment;
                            formatting = args.Formatting;
                        }
                    }
                    else
                    {
                        PlaceholderFoundEventArgs args = new PlaceholderFoundEventArgs(key, alignment, formatting, context.ToArray());
                        if (PlaceholderFound != null)
                        {
                            PlaceholderFound(this, args);
                            key        = args.Key;
                            alignment  = args.Alignment;
                            formatting = args.Formatting;
                        }
                    }
                    KeyGenerator keyGenerator = new KeyGenerator(key, alignment, formatting);
                    generator.AddGenerator(keyGenerator);
                }
                else if (match.Groups["open"].Success)
                {
                    formatIndex = match.Index + match.Length;
                    string        tagName        = match.Groups["name"].Value;
                    TagDefinition nextDefinition = _tagLookup[tagName];
                    if (nextDefinition == null)
                    {
                        string message = String.Format(Resources.UnknownTag, tagName);
                        throw new FormatException(message);
                    }

                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    ArgumentCollection arguments = getArguments(nextDefinition, match, context);

                    if (nextDefinition.HasContent)
                    {
                        CompoundGenerator          compoundGenerator = new CompoundGenerator(nextDefinition, arguments);
                        IEnumerable <TagParameter> contextParameters = nextDefinition.GetChildContextParameters();
                        bool hasContext = contextParameters.Any();
                        if (hasContext)
                        {
                            ContextParameter[] parameters = contextParameters.Select(p => new ContextParameter(p.Name, arguments.GetKey(p))).ToArray();
                            context.Add(new Context(nextDefinition.Name, parameters));
                        }
                        formatIndex = buildCompoundGenerator(nextDefinition, context, compoundGenerator, format, formatIndex);
                        generator.AddGenerator(nextDefinition, compoundGenerator);
                        if (hasContext)
                        {
                            context.RemoveAt(context.Count - 1);
                        }
                    }
                    else
                    {
                        InlineGenerator inlineGenerator = new InlineGenerator(nextDefinition, arguments);
                        generator.AddGenerator(inlineGenerator);
                    }
                }
                else if (match.Groups["close"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    string        tagName        = match.Groups["name"].Value;
                    TagDefinition nextDefinition = _tagLookup[tagName];
                    formatIndex = match.Index;
                    if (tagName == tagDefinition.Name)
                    {
                        formatIndex += match.Length;
                    }
                    break;
                }
                else if (match.Groups["comment"].Success)
                {
                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    formatIndex = match.Index + match.Length;
                }
                else if (match.Groups["command"].Success)
                {
                    var parameters = match.Groups["params"].Value ?? "";
                    var args       = new ArgumentCollection();
                    int index      = 0;
                    parameters
                    .Split(new[] { ',' })
                    .Select(a => a.Trim())
                    .ToList()
                    .ForEach(a => args.AddArgument(new TagParameter((index++).ToString()), new StringArgument(a)));

                    TagDefinition definition;
                    _tagLookup.TryGetValue(match.Groups["command"].Value, out definition);

                    if (definition == null)
                    {
                        throw new FormatException(string.Format(Resources.MissingCommand, match.Groups["command"].Value));
                    }

                    generator.AddGenerator(new StaticGenerator(leading, RemoveNewLines));
                    generator.AddGenerator(new InlineGenerator(definition, args));
                    formatIndex = match.Index + match.Length;
                }
                else if (match.Groups["unknown"].Success)
                {
                    string tagName = match.Value;
                    string message = String.Format(Resources.UnknownTag, tagName);
                    throw new FormatException(message);
                }
            }
            return(formatIndex);
        }
 /// <summary>
 /// Initializes a new instance of an InlineGenerator.
 /// </summary>
 /// <param name="definition">The tag to render the text for.</param>
 /// <param name="arguments">The arguments passed to the tag.</param>
 public InlineGenerator(TagDefinition definition, ArgumentCollection arguments)
 {
     _definition = definition;
     _arguments = arguments;
 }
 /// <summary>
 /// Initializes a new instance of a CompoundGenerator.
 /// </summary>
 /// <param name="definition">The tag that the text is being generated for.</param>
 /// <param name="arguments">The arguments that were passed to the tag.</param>
 public CompoundGenerator(TagDefinition definition, ArgumentCollection arguments)
 {
     _definition = definition;
     _arguments  = arguments;
 }
 /// <summary>
 /// Initializes a new instance of a CompoundGenerator.
 /// </summary>
 /// <param name="definition">The tag that the text is being generated for.</param>
 /// <param name="arguments">The arguments that were passed to the tag.</param>
 public CompoundGenerator(TagDefinition definition, ArgumentCollection arguments)
 {
     _definition = definition;
     _arguments = arguments;
     _primaryGenerators = new List<IGenerator>();
 }