/// <summary>
/// Creates a structurally equivalent globally identified entity initial context from a given context.
/// </summary>
/// <param name="context">The context to copy the structure from.</param>
/// <returns>A structurally equivalent copy of the given context.</returns>
public static IStonGlobalEntityInitialContext Copy(IStonGlobalEntityInitialContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
return(new StonGlobalEntityInitialContext(context));
}
// writes a document core initial context or a globally identified entity initial context
private void WriteInitialContext(StonTokenWriter writer, IStonGlobalEntityInitialContext context)
{
if (context.GlobalIdentifier == null)
{
throw new StonException("A global entity initial context must have an existing global identifier.");
}
else if (context.GlobalIdentifier == "")
{
writer.Write("^*");
}
else
{
writer.Write("@" + context.GlobalIdentifier);
}
}
/// <summary>
/// Checks the validity of a given STON global entity initial context.
/// </summary>
/// <param name="initialContext">The initial context to check the validity of.</param>
public static void ValidateInitialContext(IStonGlobalEntityInitialContext initialContext)
{
if (initialContext == null)
{
throw new ArgumentNullException("initialContext");
}
if (initialContext.GlobalIdentifier == null)
{
throw new StonException("A global entity initial context must have an existing global identifier.");
}
if (initialContext.GlobalIdentifier == "")
{
return;
}
ValidateGlobalIdentifier(initialContext.GlobalIdentifier);
}
/// <summary>
/// Creates a structurally equivalent globally identified entity initial context from a given context.
/// </summary>
/// <param name="context">The context to copy the structure from.</param>
public StonGlobalEntityInitialContext(IStonGlobalEntityInitialContext context)
: this(context.GlobalIdentifier)
{
}
