// Updates and returns the version of the specified attribute.
private string UpdateVersion(string attributeName, string format, OutArgument<Version> maxVersion)
{
var oldValue = this.file[attributeName];
if (oldValue == null || string.IsNullOrWhiteSpace(format))
{
// do nothing
return oldValue;
}
// parse old version (handle * character)
bool containsWildcard = oldValue.Contains('*');
string versionPattern = "{0}.{1}.{2}.{3}";
if (containsWildcard)
{
if (oldValue.Split('.').Length == 3)
{
oldValue = oldValue.Replace("*", "0.0");
versionPattern = "{0}.{1}.*";
}
else
{
oldValue = oldValue.Replace("*", "0");
versionPattern = "{0}.{1}.{2}.*";
}
}
if (!VersionParser.IsMatch(oldValue))
{
throw new FormatException("Current value for attribute '" + attributeName + "' is not in a correct version format.");
}
var version = new Version(oldValue);
// update version
var tokens = format.Split('.');
if (tokens.Length != 4)
{
throw new FormatException("Specified value for attribute '" + attributeName + "' is not a correct version format.");
}
version = new Version(
Convert.ToInt32(this.ReplaceTokens(tokens[0], version.Major)),
Convert.ToInt32(this.ReplaceTokens(tokens[1], version.Minor)),
Convert.ToInt32(this.ReplaceTokens(tokens[2], version.Build)),
Convert.ToInt32(this.ReplaceTokens(tokens[3], version.Revision)));
this.file[attributeName] = string.Format(versionPattern, version.Major, version.Minor, version.Build, version.Revision);
if (version > maxVersion.Get(this.ActivityContext))
{
maxVersion.Set(this.ActivityContext, version);
}
return version.ToString();
}
// Copies the specified attribute boolean value to the specified argument if present.
private void ReadBoolAttribute(string attributeName, OutArgument argument)
{
var value = this.file[attributeName];
if (value == null)
{
argument.Set(this.ActivityContext, null);
return;
}
argument.Set(this.ActivityContext, Convert.ToBoolean(value));
}
// Copies the specified attribute GUID value to the specified argument if present.
private void ReadGuidAttribute(string attributeName, OutArgument argument)
{
var value = this.file[attributeName];
if (value == null)
{
argument.Set(this.ActivityContext, null);
return;
}
argument.Set(this.ActivityContext, new System.Guid(value));
}
// Copies the specified attribute string value to the specified argument if present.
private void ReadStringAttribute(string attributeName, OutArgument argument)
{
var value = this.file[attributeName];
if (value == null)
{
// do nothing
return;
}
argument.Set(this.ActivityContext, value);
}
