/// <summary>
/// Searches Attributes value for requested named attribute
/// </summary>
/// <param name="attributes">Attributes to be searched</param>
/// <param name="name">name of attribute</param>
/// <returns>the requested value or an empty string if not found</returns>
public static string GetAttribute(NamedAttribute[] attributes, Enum <AttributeName> name)
{
if (attributes == null || attributes.Length == 0)
{
return("");
}
NamedAttribute attribute = attributes.FirstOrDefault(a => a.Name == name);
return(attribute?.Value ?? "");
}
public bool SetAttributes(string attributesValue, Enum <AttributeName> defaultAttributeName, ref string adjustedText, bool preserveWhitespace = false)
{
if (string.IsNullOrEmpty(attributesValue))
{
return(false);
}
// for figures, convert 2.0 format to 3.0 format. Will need to write this as the 2.0 format
// if the project is not upgrated.
if (NestlessMarker == "fig" && attributesValue.Count(c => c == '|') == 5)
{
List <NamedAttribute> attributeList = new List <NamedAttribute>(6);
string[] parts = attributesValue.Split('|');
AppendAttribute(attributeList, "alt", adjustedText);
AppendAttribute(attributeList, "src", parts[0]);
AppendAttribute(attributeList, "size", parts[1]);
AppendAttribute(attributeList, "loc", parts[2]);
AppendAttribute(attributeList, "copy", parts[3]);
string whitespace = "";
if (preserveWhitespace)
{
whitespace = adjustedText.Substring(0, adjustedText.Length - adjustedText.TrimStart().Length);
}
adjustedText = whitespace + parts[4];
AppendAttribute(attributeList, "ref", parts[5]);
Attributes = attributeList.ToArray();
return(true);
}
Match match = attributeRegex.Match(attributesValue);
if (!match.Success || match.Length != attributesValue.Length)
{
return(false); // must match entire string
}
Group defaultValue = match.Groups["default"];
if (defaultValue.Success)
{
// only accept default value it there is a defined default attribute
if (defaultAttributeName != Enum <AttributeName> .Null)
{
Attributes = new[] { new NamedAttribute(defaultAttributeName, defaultValue.Value) };
this.defaultAttributeName = defaultAttributeName;
return(true);
}
return(false);
}
CaptureCollection attributeNames = match.Groups["name"].Captures;
CaptureCollection attributeValues = match.Groups["value"].Captures;
if (attributeNames.Count == 0 || attributeNames.Count != attributeValues.Count)
{
return(false);
}
this.defaultAttributeName = defaultAttributeName;
NamedAttribute[] attributes = new NamedAttribute[attributeNames.Count];
for (int i = 0; i < attributeNames.Count; i++)
{
attributes[i] = new NamedAttribute(attributeNames[i].Value, attributeValues[i].Value, attributeValues[i].Index);
}
Attributes = attributes;
return(true);
}
public int GetAttributeOffset(Enum <AttributeName> attributeName)
{
NamedAttribute attribute = Attributes?.FirstOrDefault(a => a.Name == attributeName);
return(attribute?.Offset ?? 0);
}