public void Write(WritingSystemChangeLog log)
{
if (log == null)
{
throw new ArgumentNullException("log");
}
if (!File.Exists(FilePath))
{
string logDirectory = Path.GetDirectoryName(FilePath);
Directory.CreateDirectory(logDirectory);
}
using (var streamWriter = new StreamWriter(FilePath))
{
using (var writer = XmlWriter.Create(streamWriter, CanonicalXmlSettings.CreateXmlWriterSettings()))
{
writer.WriteStartDocument();
writer.WriteStartElement("WritingSystemChangeLog");
writer.WriteAttributeString("Version", log.Version);
writer.WriteStartElement("Changes");
WriteChanges(writer, log);
writer.WriteEndElement(); // Changes
writer.WriteEndElement(); // WritingSystemChangeLog
writer.Close();
}
}
}
private static void ReadDeleteElement(XmlReader reader, WritingSystemChangeLog log)
{
AssertOnElement(reader, "Delete");
string producer = reader.GetAttribute("Producer") ?? string.Empty;
string producerVersion = reader.GetAttribute("ProducerVersion") ?? string.Empty;
string dateTimeString = reader.GetAttribute("TimeStamp") ?? string.Empty;
var dateTime = DateTime.Parse(dateTimeString);
string id = "";
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Delete"))
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Id":
reader.Read(); // get to the text node
id = reader.Value;
break;
}
}
}
log.AddEvent(new WritingSystemLogDeleteEvent(id)
{
DateTime = dateTime, Producer = producer, ProducerVersion = producerVersion
});
}
private static void WriteChanges(XmlWriter writer, WritingSystemChangeLog log)
{
foreach (var logEvent in log.Events)
{
WriteLogEvent(writer, logEvent);
}
}
private static void ReadChangesElement(XmlReader reader, WritingSystemChangeLog log)
{
AssertOnElement(reader, "Changes");
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Changes"))
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Change":
ReadChangeElement(reader, log);
break;
case "Merge":
ReadMergeElement(reader, log);
break;
case "Add":
ReadAddElement(reader, log);
break;
case "Delete":
ReadDeleteElement(reader, log);
break;
}
}
}
}
public void Read_SampleLogFile_PopulatesChanges()
{
using (var e = new TestEnvironment())
{
var log = new WritingSystemChangeLog(new WritingSystemChangeLogDataMapper(e.GetSampleLogFilePath()));
Assert.That(log.HasChangeFor("aaa"));
Assert.That(log.GetChangeFor("aaa"), Is.EqualTo("ddd"));
}
}
private static void ReadLog(XmlReader reader, WritingSystemChangeLog log)
{
Debug.Assert(reader != null);
if (reader.MoveToContent() != XmlNodeType.Element || reader.Name != "WritingSystemChangeLog")
{
throw new ApplicationException("Unable to load writing system definition: Missing <WritingSystemChangeLog> tag.");
}
log.Version = reader.GetAttribute("Version") ?? string.Empty;
if (FindStartElement(reader, "Changes"))
{
ReadChangesElement(reader, log);
}
}
private static void ReadLog(XmlReader reader, WritingSystemChangeLog log)
{
Debug.Assert(reader != null);
if (reader.MoveToContent() != XmlNodeType.Element || reader.Name != "WritingSystemChangeLog")
{
throw new ApplicationException("Unable to load writing system definition: Missing <WritingSystemChangeLog> tag.");
}
log.Version = reader.GetAttribute("Version") ?? string.Empty;
if (FindStartElement(reader, "Changes"))
{
ReadChangesElement(reader, log);
}
}
public void Write_NewEmptyFile_WritesModelToLogFile()
{
using (var e = new TestEnvironment())
{
string tempFilePath = Path.Combine(e._tempFolder.Path, "testchangelog.xml");
var log = new WritingSystemChangeLog(new WritingSystemChangeLogDataMapper(tempFilePath));
log.LogChange("aab", "bba");
log.LogAdd("aab");
log.LogDelete("aab");
log.LogConflate("aab","bba");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Change/From[text()='aab']");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Change/To[text()='bba']");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Add/Id[text()='aab']");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Delete/Id[text()='aab']");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Merge/From[text()='aab']");
AssertThatXmlIn.File(tempFilePath).HasAtLeastOneMatchForXpath("/WritingSystemChangeLog/Changes/Merge/To[text()='bba']");
}
}
public void Read(WritingSystemChangeLog log)
{
if (File.Exists(FilePath))
{
try
{
using (StreamReader streamReader = File.OpenText(FilePath))
{
using (XmlReader reader = XmlReader.Create(streamReader, _xmlReadSettings))
{
ReadLog(reader, log);
}
}
}catch (FormatException e) //This exception is thrown when the time format is locale specific. This was the case for a very short time when the log was introduced. (WS-34444)
{
File.Delete(FilePath);
}
}
}
public void Read(WritingSystemChangeLog log)
{
if (File.Exists(FilePath))
{
try
{
using (StreamReader streamReader = File.OpenText(FilePath))
{
using (XmlReader reader = XmlReader.Create(streamReader, _xmlReadSettings))
{
ReadLog(reader, log);
}
}
}catch(FormatException e) //This exception is thrown when the time format is locale specific. This was the case for a very short time when the log was introduced. (WS-34444)
{
File.Delete(FilePath);
}
}
}
private static void WriteChanges(XmlWriter writer, WritingSystemChangeLog log)
{
foreach (var logEvent in log.Events)
{
WriteLogEvent(writer, logEvent);
}
}
public void Write(WritingSystemChangeLog log)
{
if (log == null)
{
throw new ArgumentNullException("log");
}
if (!File.Exists(FilePath))
{
string logDirectory = Path.GetDirectoryName(FilePath);
Directory.CreateDirectory(logDirectory);
}
using (var streamWriter = new StreamWriter(FilePath))
{
using (var writer = XmlWriter.Create(streamWriter, CanonicalXmlSettings.CreateXmlWriterSettings()))
{
writer.WriteStartDocument();
writer.WriteStartElement("WritingSystemChangeLog");
writer.WriteAttributeString("Version", log.Version);
writer.WriteStartElement("Changes");
WriteChanges(writer, log);
writer.WriteEndElement(); // Changes
writer.WriteEndElement(); // WritingSystemChangeLog
writer.Close();
}
}
}
public void Write(WritingSystemChangeLog log) {}
/// <summary>
/// use a special path for the repository
/// </summary>
/// <param name="basePath"></param>
/// <param name="compatibilityMode"></param>
protected internal LdmlInFolderWritingSystemRepository(string basePath, WritingSystemCompatibility compatibilityMode) :
base(compatibilityMode)
{
PathToWritingSystems = basePath;
_changeLog = new WritingSystemChangeLog(new WritingSystemChangeLogDataMapper(Path.Combine(PathToWritingSystems, "idchangelog.xml")));
}
public void Write(WritingSystemChangeLog log)
{
}
public void Read(WritingSystemChangeLog log)
{
}
private static void ReadChangesElement(XmlReader reader, WritingSystemChangeLog log)
{
AssertOnElement(reader, "Changes");
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Changes"))
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Change":
ReadChangeElement(reader, log);
break;
case "Merge":
ReadMergeElement(reader, log);
break;
case "Add":
ReadAddElement(reader, log);
break;
case "Delete":
ReadDeleteElement(reader, log);
break;
}
}
}
}
public void Read(WritingSystemChangeLog log) {}
public WritingSystemChangeLog GetSampleWritingSystemChangeLog()
{
var log = new WritingSystemChangeLog();
log.LogChange("aab", "bba");
log.LogChange("ccc", "ddd");
return log;
}
/// <summary>
/// use a special path for the repository
/// </summary>
/// <param name="basePath"></param>
/// <param name="compatibilityMode"></param>
protected internal LdmlInFolderWritingSystemRepository(string basePath, WritingSystemCompatibility compatibilityMode) :
base(compatibilityMode)
{
PathToWritingSystems = basePath;
_changeLog = new WritingSystemChangeLog(new WritingSystemChangeLogDataMapper(Path.Combine(PathToWritingSystems, "idchangelog.xml")));
}
private static void ReadDeleteElement(XmlReader reader, WritingSystemChangeLog log)
{
AssertOnElement(reader, "Delete");
string producer = reader.GetAttribute("Producer") ?? string.Empty;
string producerVersion = reader.GetAttribute("ProducerVersion") ?? string.Empty;
string dateTimeString = reader.GetAttribute("TimeStamp") ?? string.Empty;
var dateTime = DateTime.Parse(dateTimeString);
string id = "";
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Delete"))
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Id":
reader.Read(); // get to the text node
id = reader.Value;
break;
}
}
}
log.AddEvent(new WritingSystemLogDeleteEvent(id) { DateTime = dateTime, Producer = producer, ProducerVersion = producerVersion });
}
