/// <summary>
/// Create a named instance from a <see cref="PatternConverter"/>
/// </summary>
/// <param name="name">conversion name</param>
/// <param name="pattern">pattern string</param>
public RawCallLayout(string name, PatternString pattern)
{
Name = name;
pattern.ActivateOptions();
m_getter = (e) => pattern.Format();
}
public Object ConvertFrom(Object source)
{
String pattern = (String)source;
PatternString patternString = new PatternString(pattern);
String value = patternString.Format();
return(Int32.Parse(value));
}
/// <summary>
/// Converts the given value object to the specified type, using the arguments
/// </summary>
/// <param name="source">the object to convert</param>
/// <param name="targetType">The Type to convert the value parameter to</param>
/// <returns>the converted object</returns>
/// <remarks>
/// <para>
/// Uses the <see cref="PatternString.Format()"/> method to convert the
/// <see cref="PatternString"/> argument to a <see cref="String"/>.
/// </para>
/// </remarks>
/// <exception cref="ConversionNotSupportedException">
/// The <paramref name="source"/> object cannot be converted to the
/// <paramref name="targetType"/>. To check for this condition use the
/// <see cref="CanConvertTo"/> method.
/// </exception>
public object ConvertTo(object source, Type targetType)
{
PatternString patternString = source as PatternString;
if (patternString != null && CanConvertTo(targetType))
{
return(patternString.Format());
}
throw ConversionNotSupportedException.Create(targetType, source);
}
public object ConvertTo(object source, Type targetType)
{
PatternString str = source as PatternString;
if ((str == null) || !this.CanConvertTo(targetType))
{
throw ConversionNotSupportedException.Create(targetType, source);
}
return(str.Format());
}
/// <summary>
/// 测试AppSetting路径转换器（在配置的应用程序域中）
/// </summary>
public void TestAppSettingPathConverterInConfiguredDomain()
{
string pattern = "%appSetting{TestKey}";
PatternString patternString = new PatternString(pattern);
string evaluatedPattern = patternString.Format();
string appSettingValue = ConfigurationManager.AppSettings["TestKey"];
Assert.AreEqual("TestValue", appSettingValue, "Expected configuration file to contain a key TestKey with the value TestValue");
Assert.AreEqual(appSettingValue, evaluatedPattern, "Evaluated pattern expected to be identical to appSetting value");
string badPattern = "%appSetting{UnknownKey}";
patternString = new PatternString(badPattern);
evaluatedPattern = patternString.Format();
Assert.AreEqual("(null)", evaluatedPattern, "Evaluated pattern expected to be \"(null)\" for non-existent appSettings key");
}
public void TestEnvironmentFolderPathPatternConverter()
{
string[] specialFolderNames = Enum.GetNames(typeof(Environment.SpecialFolder));
foreach (string specialFolderName in specialFolderNames)
{
string pattern = "%envFolderPath{" + specialFolderName + "}";
PatternString patternString = new PatternString(pattern);
string evaluatedPattern = patternString.Format();
Environment.SpecialFolder specialFolder =
(Environment.SpecialFolder)Enum.Parse(typeof(Environment.SpecialFolder), specialFolderName);
Assert.AreEqual(Environment.GetFolderPath(specialFolder), evaluatedPattern);
}
}
