/// <summary>
/// Try to parse the given value to a resource type.
/// </summary>
private static bool TryParseType(string value, out ResourceType type)
{
type = 0;
if (string.IsNullOrEmpty(value))
{
return(false);
}
// Try by android xml name
var info = ResourceExtensions.GetResourceTypeInfos().FirstOrDefault(x => x.XmlName == value);
if (info != null)
{
type = info.Type;
return(true);
}
// Try by Dot42 ID name
info = ResourceExtensions.GetResourceTypeInfos().FirstOrDefault(x => x.Dot42Name == value);
if (info != null)
{
type = info.Type;
return(true);
}
// Try by R nested class name
info = ResourceExtensions.GetResourceTypeInfos().FirstOrDefault(x => x.RNestedClassName == value);
if (info != null)
{
type = info.Type;
return(true);
}
// Not found
return(false);
}
/// <summary>
/// Try to parse the given string into a resource id.
/// </summary>
public static bool TryParse(string value, ResourceType defaultType, out ResourceId resourceId)
{
resourceId = null;
if (string.IsNullOrEmpty(value))
{
return(false);
}
value = value.Trim();
if (value.Length == 0)
{
return(false);
}
// Skip leading '@'
var hasAt = (value[0] == '@');
if (hasAt)
{
value = value.Substring(1);
if (value.Length == 0)
{
return(false);
}
}
// Look for package prefix
var index = value.IndexOf(':');
string packageName = null;
if (index > 0)
{
packageName = value.Substring(0, index);
value = value.Substring(index + 1);
}
var hasPackageName = (packageName != null);
// Look for '+'
if (value.Length == 0)
{
return(false);
}
var create = false;
if (value[0] == '+')
{
create = true;
value = value.Substring(1);
if (value.Length == 0)
{
return(false);
}
}
// Look for type
index = value.IndexOf('/');
ResourceType type;
if (index <= 0)
{
// Did not find a resource type, try to use default
if (defaultType == ResourceType.Unknown)
{
return(false);
}
type = defaultType;
}
else
{
// Found a resource type, try to parse it
var typeName = value.Substring(0, index);
value = value.Substring(index + 1);
if (!TryParseType(typeName, out type))
{
return(false);
}
if (value.Length == 0)
{
return(false);
}
}
// Remainder is name
if (!(hasPackageName))
{
value = ResourceExtensions.GetNormalizedResourceName(value, type);
}
var name = value;
resourceId = new ResourceId(packageName, create, type, name);
return(true);
}
