/// <summary>
/// Combines a list of elements. This method takes care to always
/// concatenate adjacent string elements into a single string
/// element.
/// </summary>
/// <param name="list">The list with elements</param>
/// <returns>The combined element</returns>
private Element CombineElements(ArrayList list)
{
Element prev;
Element elem;
string str;
int i;
// Concatenate string elements
prev = (Element)list[0];
for (i = 1; i < list.Count; i++)
{
elem = (Element)list[i];
if ((prev is StringElement element1) && (elem is StringElement element2))
{
str = element1.String + element2.String;
elem = new StringElement(str);
list.RemoveAt(i);
list[i - 1] = elem;
i--;
}
prev = elem;
}
// Combine all remaining elements
elem = (Element)list[list.Count - 1];
for (i = list.Count - 2; i >= 0; i--)
{
prev = (Element)list[i];
elem = new CombineElement(prev, elem);
}
return(elem);
}
/**
* Adds multiple characters to this character set.
*
* @param elem the string element with characters to add
*/
public void AddCharacters(StringElement elem)
{
AddCharacters(elem.GetString());
}
/**
* Combines a list of elements. This method takes care to always
* concatenate adjacent string elements into a single string
* element.
*
* @param list the list with elements
*
* @return the combined element
*/
private Element CombineElements(ArrayList list) {
Element prev;
Element elem;
string str;
int i;
// Concatenate string elements
prev = (Element) list[0];
for (i = 1; i < list.Count; i++) {
elem = (Element) list[i];
if (prev is StringElement
&& elem is StringElement) {
str = ((StringElement) prev).GetString() +
((StringElement) elem).GetString();
elem = new StringElement(str);
list.RemoveAt(i);
list[i - 1] = elem;
i--;
}
prev = elem;
}
// Combine all remaining elements
elem = (Element) list[list.Count - 1];
for (i = list.Count - 2; i >= 0; i--) {
prev = (Element) list[i];
elem = new CombineElement(prev, elem);
}
return elem;
}
/**
* Adds multiple characters to this character set.
*
* @param elem the string element with characters to add
*/
public void AddCharacters(StringElement elem) {
AddCharacters(elem.GetString());
}
/// <summary>
/// Adds multiple characters to this character set.
/// </summary>
/// <param name="elem">The string element with characters to be added</param>
public void AddCharacters(StringElement elem)
{
this.AddCharacters(elem.String);
}
