73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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namespace mustache
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{
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/// <summary>
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/// Generates text by substituting an object's values for placeholders.
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/// </summary>
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public sealed class Generator
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{
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private readonly IGenerator _generator;
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private readonly List<EventHandler<MissingKeyEventArgs>> _handlers;
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/// <summary>
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/// Initializes a new instance of a Generator.
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/// </summary>
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/// <param name="generator">The text generator to wrap.</param>
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internal Generator(IGenerator generator)
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{
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_generator = generator;
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_handlers = new List<EventHandler<MissingKeyEventArgs>>();
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}
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/// <summary>
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/// Occurs when a key/property is not found in the object graph.
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/// </summary>
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public event EventHandler<MissingKeyEventArgs> KeyNotFound
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{
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add { _handlers.Add(value); }
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remove { _handlers.Remove(value); }
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}
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/// <summary>
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/// Gets the text that is generated for the given object.
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/// </summary>
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/// <param name="source">The object to generate the text with.</param>
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/// <returns>The text generated for the given object.</returns>
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public string Render(object source)
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{
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return render(CultureInfo.CurrentCulture, source);
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}
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/// <summary>
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/// Gets the text that is generated for the given object.
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/// </summary>
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/// <param name="provider">The format provider to use.</param>
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/// <param name="source">The object to generate the text with.</param>
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/// <returns>The text generated for the given object.</returns>
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public string Render(IFormatProvider provider, object source)
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{
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if (provider == null)
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{
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provider = CultureInfo.CurrentCulture;
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}
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return render(provider, source);
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}
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private string render(IFormatProvider provider, object source)
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{
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KeyScope scope = new KeyScope(source);
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foreach (EventHandler<MissingKeyEventArgs> handler in _handlers)
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{
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scope.KeyNotFound += handler;
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}
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StringWriter writer = new StringWriter(provider);
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_generator.GetText(scope, writer);
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return writer.ToString();
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}
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}
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}
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