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copied!<p>Fixed it... somewhat.</p> <pre><code>public class JsonFormatter { #region class members const string Space = " "; const int DefaultIndent = 0; const string Indent = Space + Space + Space + Space; static readonly string NewLine = Environment.NewLine; #endregion private enum JsonContextType { Object, Array } static void BuildIndents(int indents, StringBuilder output) { indents += DefaultIndent; for (; indents > 0; indents--) output.Append(Indent); } bool inDoubleString = false; bool inSingleString = false; bool inVariableAssignment = false; char prevChar = '\0'; Stack<JsonContextType> context = new Stack<JsonContextType>(); bool InString() { return inDoubleString || inSingleString; } public string PrettyPrint(string input) { var output = new StringBuilder(input.Length * 2); char c; for (int i = 0; i < input.Length; i++) { c = input[i]; switch (c) { case '{': if (!InString()) { if (inVariableAssignment || (context.Count > 0 && context.Peek() != JsonContextType.Array)) { output.Append(NewLine); BuildIndents(context.Count, output); } output.Append(c); context.Push(JsonContextType.Object); output.Append(NewLine); BuildIndents(context.Count, output); } else output.Append(c); break; case '}': if (!InString()) { output.Append(NewLine); context.Pop(); BuildIndents(context.Count, output); output.Append(c); } else output.Append(c); break; case '[': output.Append(c); if (!InString()) context.Push(JsonContextType.Array); break; case ']': if (!InString()) { output.Append(c); context.Pop(); } else output.Append(c); break; case '=': output.Append(c); break; case ',': output.Append(c); if (!InString() && context.Peek() != JsonContextType.Array) { BuildIndents(context.Count, output); output.Append(NewLine); BuildIndents(context.Count, output); inVariableAssignment = false; } break; case '\'': if (!inDoubleString && prevChar != '\\') inSingleString = !inSingleString; output.Append(c); break; case ':': if (!InString()) { inVariableAssignment = true; output.Append(Space); output.Append(c); output.Append(Space); } else output.Append(c); break; case '"': if (!inSingleString && prevChar != '\\') inDoubleString = !inDoubleString; output.Append(c); break; case ' ': if (InString()) output.Append(c); break; default: output.Append(c); break; } prevChar = c; } return output.ToString(); } } </code></pre> <p><del><a href="http://weblog.cynosura.eu/post/2010/03/06/Json-Pretty-Printer.aspx" rel="nofollow">credit</a></del> [dead link]</p>

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