public override string CreateUniqueName(
Type itemType, string proposedName, Predicate<string> matchScope, bool rootScope, RuntimeNameProvider provider)
{
if (null == itemType) throw new ArgumentNullException("itemType");
if (null == matchScope) throw new ArgumentNullException("matchScope");
if (null == provider) throw new ArgumentNullException("provider");
string baseName = proposedName;
if (string.IsNullOrEmpty(baseName))
{
baseName = TypeDescriptor.GetClassName(itemType);
int lastDot = baseName.LastIndexOf('.');
if (lastDot != -1)
{
baseName = baseName.Substring(lastDot + 1);
}
// Names should start with a lower-case character
//
baseName = char.ToLower(baseName[0], CultureInfo.InvariantCulture) + baseName.Substring(1);
}
string name = null;
int idx = 1;
bool isUnique = false;
while (!isUnique)
{
name = string.Format(CultureInfo.InvariantCulture, "{0}{1}", baseName, idx++);
// Test for uniqueness
isUnique = !matchScope(name);
string tempName = name;
name = provider.CreateValidName(tempName);
if (!string.Equals(name, tempName, StringComparison.Ordinal))
{
// RNP has changed the name, test again for uniqueness
isUnique = !matchScope(name);
}
if (isUnique && rootScope)
{
// Root name scope means we have to let the RNP test for uniqueness too
isUnique = !provider.IsExistingName(name);
}
}
return name;
}
public override string CreateUniqueName(Type itemType, string proposedName, Predicate <string> matchScope, bool rootScope, RuntimeNameProvider provider)
{
if (null == itemType)
{
throw new ArgumentNullException("itemType");
}
if (null == matchScope)
{
throw new ArgumentNullException("matchScope");
}
if (null == provider)
{
throw new ArgumentNullException("provider");
}
string name = null;
string baseName = proposedName;
if (string.IsNullOrEmpty(baseName))
{
baseName = TypeDescriptor.GetClassName(itemType);
int lastDot = baseName.LastIndexOf('.');
if (lastDot != -1)
{
baseName = baseName.Substring(lastDot + 1);
}
// Names should start with a lower-case character
baseName = char.ToLower(baseName[0], CultureInfo.InvariantCulture) + baseName.Substring(1);
}
int idx = 1;
bool isUnique = false;
while (!isUnique)
{
name = string.Format(CultureInfo.InvariantCulture, "{0}{1}", baseName, idx++);
// Test for uniqueness
isUnique = !matchScope(name);
string tempName = name;
name = provider.CreateValidName(tempName);
if (!string.Equals(name, tempName, StringComparison.Ordinal))
{
// RNP has changed the name, test again for uniqueness
isUnique = !matchScope(name);
}
if (isUnique && rootScope)
{
// Root name scope means we have to let the RNP test for uniqueness too
isUnique = !provider.IsExistingName(name);
}
}
return(name);
}
