Mercurial > repos > IBDev-IBBoard.WarFoundry.API
annotate api/Factories/Xml/WarFoundryXmlFactoryUtils.cs @ 218:a1a6b527cd70
Re #226
* Fix missing "using" import caused by r419
no-open-ticket
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Sat, 28 Nov 2009 16:22:11 +0000 |
| parents | 89e26d51afc2 |
| children | f097888efcfe |
| rev | line source |
|---|---|
| 52 | 1 // This file (WarFoundryXmlFactoryUtils.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard |
| 2 // | |
|
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Re #121: Migrate to AGPL license
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3 // The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license. |
| 52 | 4 |
| 5 using System; | |
| 6 using System.IO; | |
| 7 using System.Xml; | |
| 8 using System.Xml.Schema; | |
| 9 using IBBoard.WarFoundry.API.Objects; | |
| 218 | 10 using IBBoard.IO; |
| 52 | 11 |
| 12 namespace IBBoard.WarFoundry.API.Factories.Xml | |
| 13 { | |
| 14 /// <summary> | |
| 15 /// A collection of useful utility methods for loading WarFoundry data from XML files | |
| 16 /// </summary> | |
| 17 public class WarFoundryXmlFactoryUtils | |
| 18 { | |
|
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Re #152: Test and fix extensibility of current schemas
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19 public static readonly string NS_BASE = "http://ibboard.co.uk/warfoundry/"; |
| 52 | 20 private static XmlReaderSettings settings; |
| 21 private static XmlNamespaceManager nsManager; | |
| 22 | |
| 23 public static XmlNodeList SelectNodes(XmlNode element, string xpathQuery) | |
| 24 { | |
| 25 return element.SelectNodes(xpathQuery, GetNamespaceManager()); | |
| 26 } | |
| 27 | |
| 28 public static XmlNode SelectSingleNode(XmlNode element, string xpathQuery) | |
| 29 { | |
| 30 return element.SelectSingleNode(xpathQuery, GetNamespaceManager()); | |
| 31 } | |
| 32 | |
| 33 public static XmlElement SelectSingleElement(XmlNode element, string xpathQuery) | |
| 34 { | |
| 35 XmlNode node = SelectSingleNode(element, xpathQuery); | |
| 36 return (node is XmlElement) ? (XmlElement) node : null; | |
| 37 } | |
| 38 | |
| 39 public static XmlNamespaceManager GetNamespaceManager() | |
| 40 { | |
| 41 if (nsManager == null) | |
| 42 { | |
| 43 nsManager = new XmlNamespaceManager(new NameTable()); | |
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Re #152: Test and fix extensibility of current schemas
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44 nsManager.AddNamespace("core", NS_BASE + "core"); |
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Re #152: Test and fix extensibility of current schemas
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45 nsManager.AddNamespace("cat", NS_BASE + "cats"); |
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Re #152: Test and fix extensibility of current schemas
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46 nsManager.AddNamespace("race", NS_BASE + "race"); |
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Re #152: Test and fix extensibility of current schemas
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47 nsManager.AddNamespace("system", NS_BASE + "system"); |
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Re #152: Test and fix extensibility of current schemas
IBBoard <dev@ibboard.co.uk>
parents:
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48 nsManager.AddNamespace("army", NS_BASE + "army"); |
| 52 | 49 } |
| 50 | |
| 51 return nsManager; | |
| 52 } | |
| 53 | |
| 54 /// <summary> | |
| 55 /// Lazy-getter for XML reader settings. May throw a <see cref="InvalidDataException"/> if there is a problem with the translation schema. | |
| 56 /// </summary> | |
| 57 /// <returns> | |
| 58 /// A <see cref="XmlReaderSettings"/> with the default values for validating the translation document against the translation schema | |
| 59 /// </returns> | |
| 60 public static XmlReaderSettings GetReaderSettings() | |
| 61 { | |
| 62 if (settings == null) | |
| 63 { | |
| 64 settings = new XmlReaderSettings(); | |
| 65 settings.ValidationType = ValidationType.Schema; | |
| 66 settings.ValidationFlags = XmlSchemaValidationFlags.ReportValidationWarnings; | |
| 67 settings.ProhibitDtd = true; | |
| 68 settings.ValidationEventHandler+= new ValidationEventHandler(ValidationEventMethod); | |
| 69 XmlSchemaSet cache = new XmlSchemaSet(); | |
| 70 string path = IBBoard.Constants.ExecutablePath + "/dtds/"; | |
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Re #152: Test and fix extensibility of current schemas
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71 AddSchemaToCache(cache, NS_BASE + "core", path + "warfoundry-core.xsd"); |
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Re #152: Test and fix extensibility of current schemas
IBBoard <dev@ibboard.co.uk>
parents:
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72 AddSchemaToCache(cache, NS_BASE + "cats", path + "warfoundry-cats.xsd"); |
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0b32cc40d82f
Re #152: Test and fix extensibility of current schemas
IBBoard <dev@ibboard.co.uk>
parents:
104
diff
changeset
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73 AddSchemaToCache(cache, NS_BASE + "race", path + "race.xsd"); |
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0b32cc40d82f
Re #152: Test and fix extensibility of current schemas
IBBoard <dev@ibboard.co.uk>
parents:
104
diff
changeset
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74 AddSchemaToCache(cache, NS_BASE + "system", path + "system.xsd"); |
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0b32cc40d82f
Re #152: Test and fix extensibility of current schemas
IBBoard <dev@ibboard.co.uk>
parents:
104
diff
changeset
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75 AddSchemaToCache(cache, NS_BASE + "army", path + "army.xsd"); |
| 52 | 76 settings.Schemas.Add(cache); |
| 77 } | |
| 78 | |
| 79 return settings; | |
| 80 } | |
| 81 | |
| 82 private static void ValidationEventMethod(object sender, ValidationEventArgs e) | |
| 83 { | |
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Fixes #226: "NullReferenceException" for a unitID
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84 throw new InvalidFileException("Problem validating against schema for WarFoundry data: " + e.Message, e.Exception); |
| 52 | 85 } |
| 86 | |
| 87 private static void AddSchemaToCache(XmlSchemaSet cache, string xmlNamespace, string schemaLocation) | |
| 88 { | |
| 89 try | |
| 90 { | |
| 91 cache.Add(xmlNamespace, schemaLocation); | |
| 92 } | |
| 93 catch (IOException ex) | |
| 94 { | |
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95 //TODO: Warn on schema failure |
| 52 | 96 } |
| 97 catch (XmlSchemaException ex) | |
| 98 { | |
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Re #193: Unhandled exception in dictionary?
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99 //TODO: Warn on schema failure |
| 52 | 100 } |
| 101 catch (XmlException ex) | |
| 102 { | |
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Re #193: Unhandled exception in dictionary?
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103 //TODO: Warn on schema failure |
| 52 | 104 } |
| 105 } | |
| 106 | |
| 107 public static XmlDocument CreateXmlDocumentFromStream(Stream stream) | |
| 108 { | |
| 109 XmlDocument doc = new XmlDocument(); | |
| 110 XmlReader reader = XmlReader.Create(stream, GetReaderSettings()); | |
| 111 | |
| 112 try | |
| 113 { | |
| 114 doc.Load(reader); | |
| 115 } | |
| 116 //Don't catch XMLSchemaExceptions - let them get thrown out | |
| 117 finally | |
| 118 { | |
| 119 reader.Close(); | |
| 120 } | |
| 121 | |
| 122 return doc; | |
| 123 } | |
| 124 | |
| 125 public static bool CanCompleteLoading(IWarFoundryStagedLoadObject obj) | |
| 126 { | |
| 127 bool canLoad = true; | |
| 128 | |
| 129 if (obj.IsFullyLoaded) | |
| 130 { | |
| 131 canLoad = false; | |
| 132 } | |
| 133 else if (obj.IsLoading) | |
| 134 { | |
| 135 canLoad = false; | |
| 136 } | |
| 137 | |
| 138 return canLoad; | |
| 139 } | |
| 140 } | |
| 141 } |