public override void Read(IList <string> dataSources,
SnippetProvider provider)
{
if (dataSources == null)
{
throw new ArgumentNullException("dataSources",
"The data sources cannot be null (or Nothing).");
}
if (provider == null)
{
throw new ArgumentNullException("provider",
"The snippet provider cannot be null (or Nothing).");
}
int itemCount = dataSources.Count;
for (int i = 0; i < itemCount; i++)
{
string dataSource = dataSources[i];
if (String.IsNullOrEmpty(dataSource) == false)
{
this.Read(dataSource, provider);
}
}
}
public override void Read(string dataSource, SnippetProvider provider)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource",
"The data source cannot be null (or Nothing).");
}
if (dataSource.Length == 0)
{
throw new ArgumentException(
"The data source cannot be empty.", "dataSource");
}
if (provider == null)
{
throw new ArgumentNullException("provider",
"The snippet provider cannot be null (or Nothing).");
}
_provider = provider;
// The data source is the root directory of the snippets...
try
{
DirectoryInfo root = new DirectoryInfo(dataSource);
DirectoryInfo[] areas = root.GetDirectories();
foreach (DirectoryInfo area in areas)
{
DirectoryInfo[] examples = area.GetDirectories();
foreach (DirectoryInfo example in examples)
{
string path;
if (_exampleIndex.TryGetValue(example.Name, out path))
{
this.WriteMessage(MessageLevel.Warn, String.Format(
"The example '{0}' under folder '{1}' already exists under '{2}'", example.Name, example.FullName, path));
}
_exampleIndex[example.Name] = example.FullName;
this.ParseExample(example);
}
}
}
catch (Exception ex)
{
this.WriteMessage(MessageLevel.Error,
String.Format("The loading of examples failed: {0}", ex.Message));
throw;
}
}
public override void Read(string dataSource, SnippetProvider provider)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource",
"The data source cannot be null (or Nothing).");
}
if (dataSource.Length == 0)
{
throw new ArgumentException(
"The data source cannot be empty.", "dataSource");
}
if (provider == null)
{
throw new ArgumentNullException("provider",
"The snippet provider cannot be null (or Nothing).");
}
//int tabSize = this.TabSize;
}
public abstract void Read(IList <string> dataSources, SnippetProvider provider);
public abstract void Read(string dataSource, SnippetProvider provider);
public override void Read(string dataSource, SnippetProvider provider)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource",
"The data source cannot be null (or Nothing).");
}
if (dataSource.Length == 0)
{
throw new ArgumentException(
"The data source cannot be empty.", "dataSource");
}
if (provider == null)
{
throw new ArgumentNullException("provider",
"The snippet provider cannot be null (or Nothing).");
}
int tabSize = this.TabSize;
SnippetInfo info = null; // just keep the compiler happy...
XmlReader xmlReader = null;
bool isMemoryProvider = provider.IsMemory;
string snippetId = String.Empty;
string snippetLang = String.Empty;
string snippetText = String.Empty;
string snippetGroup = String.Empty;
try
{
this.WriteMessage(MessageLevel.Info,
String.Format("Start reading code snippet file '{0}'.", dataSource));
XmlReaderSettings settings = new XmlReaderSettings();
settings.CheckCharacters = false;
xmlReader = XmlReader.Create(dataSource, settings);
xmlReader.MoveToContent();
string nodeName;
XmlNodeType nodeType = XmlNodeType.None;
// The root name is not defined, so we just loop to the end...
while (xmlReader.EOF == false)
{
nodeType = xmlReader.NodeType;
if (nodeType == XmlNodeType.Element)
{
nodeName = xmlReader.Name;
if (String.Equals(nodeName, "item"))
{
if (isMemoryProvider)
{
info = new SnippetInfo(xmlReader.GetAttribute("id"));
if (info.IsValid == false)
{
info = null;
}
}
else
{
string identifier = xmlReader.GetAttribute("id");
if (String.IsNullOrEmpty(identifier) == false)
{
int index = identifier.IndexOf('#');
if (index > 0)
{
snippetGroup = identifier.Substring(0, index);
snippetId = identifier.Substring(index + 1);
}
}
}
}
else if (String.Equals(nodeName, "sampleCode"))
{
snippetLang = xmlReader.GetAttribute("language");
snippetText = xmlReader.ReadString();
if (String.IsNullOrEmpty(snippetLang) == false &&
String.IsNullOrEmpty(snippetText) == false)
{
StringBuilder builder =
CodeFormatter.StripLeadingSpaces(snippetText,
tabSize);
if (isMemoryProvider)
{
if (info != null)
{
provider.Register(info, new SnippetItem(
snippetLang, builder.ToString()));
}
}
else
{
provider.Register(snippetGroup, snippetId,
snippetLang, builder.ToString());
}
}
}
xmlReader.Read();
}
else
{
xmlReader.Read();
}
}
xmlReader.Close();
xmlReader = null;
this.WriteMessage(MessageLevel.Info,
String.Format("Completed the reading code snippet file '{0}'.", dataSource));
}
catch (Exception ex)
{
if (xmlReader != null && xmlReader.ReadState != ReadState.Closed)
{
xmlReader.Close();
xmlReader = null;
}
this.WriteMessage(MessageLevel.Error, String.Format(
"An exception occurred while reading code snippet file '{0}'. The error message is: {1}",
dataSource, ex.Message));
}
}
