68 lines
1.5 KiB
C#
68 lines
1.5 KiB
C#
using System;
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using System.IO;
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using System.Reflection;
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using System.Xml;
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using System.Xml.Schema;
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using BF = System.Reflection.BindingFlags;
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class Dtd2XsdDriver
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{
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public static void Main (string [] args)
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{
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try {
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Run (args);
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} catch (Exception ex) {
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Console.WriteLine ("ERROR: " + ex.Message);
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}
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}
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static void Run (string [] args)
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{
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if (args.Length < 1) {
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Console.WriteLine ("USAGE: mono dtd2xsd.exe instance-xmlfile [output-xsdfile]");
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return;
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}
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XmlTextReader xtr;
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if (args [0].EndsWith (".dtd"))
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xtr = new XmlTextReader ("<!DOCTYPE dummy SYSTEM '" + args [0] + "'><dummy/>",
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XmlNodeType.Document, null);
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else
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xtr = new XmlTextReader (args [0]);
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XmlSchema xsd = Dtd2Xsd.Run (xtr);
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if (args.Length > 1)
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xsd.Write (new StreamWriter (args [1]));
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else
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xsd.Write (Console.Out);
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}
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}
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public class Dtd2Xsd
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{
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public static XmlSchema Run (XmlTextReader xtr)
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{
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while (xtr.NodeType != XmlNodeType.DocumentType) {
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if (!xtr.Read ())
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throw new Exception ("DTD did not appeare.");
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}
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// Hacky reflection part
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object impl = xtr;
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BF flag = BF.NonPublic | BF.Instance;
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// In Mono NET_2_0 XmlTextReader is just a wrapper which
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// does not contain DTD directly.
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FieldInfo fi = typeof (XmlTextReader).GetField ("source", flag);
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if (fi != null)
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impl = fi.GetValue (xtr);
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PropertyInfo pi = impl.GetType ().GetProperty ("DTD", flag);
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object dtd = pi.GetValue (impl, null);
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MethodInfo mi =
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dtd.GetType ().GetMethod ("CreateXsdSchema", flag);
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object o = mi.Invoke (dtd, null);
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return (XmlSchema) o;
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}
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}
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