using System; using System.IO; using System.Text; using System.Collections.Generic; namespace YAMP { class SaveFunction : ArgumentFunction { public Value Function(StringValue filename) { Save(filename.Value, Tokens.Instance.Variables); return new StringValue(Tokens.Instance.Variables.Count + " objects saved."); } public static void Save(string filename, IDictionary<string, Value> workspace) { using(var fs = File.Create (filename)) { foreach(string variable in workspace.Keys) { var idx = Encoding.Unicode.GetBytes(variable); var len = BitConverter.GetBytes (idx.Length); fs.Write(len, 0, len.Length); fs.Write(idx, 0, idx.Length); var value = workspace[variable]; idx = Encoding.ASCII.GetBytes(value.Header); len = BitConverter.GetBytes(idx.Length); fs.Write(len, 0, len.Length); fs.Write(idx, 0, idx.Length); idx = value.Serialize(); len = BitConverter.GetBytes(idx.Length); fs.Write(len, 0, len.Length); fs.Write(idx, 0, idx.Length); } } } } }
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Math Primers for Programmers
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