96 lines
2.6 KiB
C#
96 lines
2.6 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.IO;
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using System.Xml;
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using Commons.Xml.Relaxng;
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using Commons.Xml.Relaxng.Rnc;
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namespace Commons.Xml.Nvdl
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{
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public class NvdlRelaxngValidatorProvider : NvdlValidationProvider
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{
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public const string RncMimeType = "application/vnd.oasis-open.relax-ng.rnc";
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public override NvdlValidatorGenerator CreateGenerator (
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NvdlValidate validate, string schemaType, NvdlConfig config)
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{
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if (schemaType == RncMimeType)
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return CreateRncGenerator (validate, config);
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return base.CreateGenerator (validate, schemaType, config);
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}
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private NvdlValidatorGenerator CreateRncGenerator (NvdlValidate validate, NvdlConfig config)
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{
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XmlResolver resolver = config.XmlResolverInternal;
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string schemaUri = GetSchemaUri (validate);
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if (schemaUri == null)
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return null;
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Uri baseUri = resolver.ResolveUri (null, validate.SourceUri);
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Uri absUri = resolver.ResolveUri (baseUri, schemaUri);
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RelaxngPattern p = RncParser.ParseRnc (
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new StreamReader ((Stream) resolver.GetEntity (
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absUri,
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null,
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typeof (Stream))), null, absUri.ToString ());
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return new NvdlRelaxngValidatorGenerator (p, config);
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}
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public override NvdlValidatorGenerator CreateGenerator (
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XmlReader reader, NvdlConfig config)
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{
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if (reader.NamespaceURI != RelaxngGrammar.NamespaceURI)
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return null;
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return new NvdlRelaxngValidatorGenerator (RelaxngPattern.Read (reader), config);
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}
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}
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internal class NvdlRelaxngValidatorGenerator : NvdlValidatorGenerator
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{
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RelaxngPattern pattern;
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public NvdlRelaxngValidatorGenerator (RelaxngPattern p,
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NvdlConfig config)
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{
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// FIXME: use XmlResolver
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pattern = p;
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}
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public override XmlReader CreateValidator (XmlReader reader,
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XmlResolver resolver)
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{
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// XmlResolver is never used.
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RelaxngValidatingReader rvr =
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new RelaxngValidatingReader (
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reader, pattern);
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rvr.ReportDetails = true;
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return rvr;
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}
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public override XmlReader CreateAttributeValidator (
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XmlReader reader,
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XmlResolver resolver)
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{
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// XmlResolver is never used.
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RelaxngValidatingReader rvr =
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new RelaxngValidatingReader (
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reader, pattern);
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rvr.ReportDetails = true;
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return rvr;
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}
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public override bool AddOption (string name, string arg)
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{
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return false;
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}
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public override bool HandleError (Exception ex, XmlReader reader, string nvdlLocation)
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{
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if (ex is RelaxngException)
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throw new NvdlInstanceValidationException (String.Format ("RELAX NG validation error occured as a part of NVDL validation: " + ex.Message), ex, this, nvdlLocation);
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return false;
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}
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}
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}
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