/// <summary>Gets the sanitized waiting leaves.</summary>
/// <returns>the sanitized waiting leaves</returns>
public virtual IList <IElement> GetSanitizedWaitingLeaves()
{
if (collapseSpaces)
{
return(TrimUtil.TrimLeafElementsAndSanitize(waitingLeaves));
}
else
{
return(waitingLeaves);
}
}
/// <summary>Creates the leaves container.</summary>
/// <returns>a paragraph</returns>
private Paragraph CreateLeavesContainer()
{
if (collapseSpaces)
{
waitingLeaves = TrimUtil.TrimLeafElementsAndSanitize(waitingLeaves);
}
if (CssConstants.CAPITALIZE.Equals(textTransform))
{
Capitalize(waitingLeaves);
}
if (waitingLeaves.Count > 0)
{
Paragraph p = CreateParagraphContainer();
bool runningElementsOnly = true;
foreach (IElement leaf in waitingLeaves)
{
if (leaf is ILeafElement)
{
runningElementsOnly = false;
p.Add((ILeafElement)leaf);
}
else
{
if (leaf is IBlockElement)
{
runningElementsOnly = runningElementsOnly && leaf is RunningElement;
p.Add((IBlockElement)leaf);
}
}
}
if (runningElementsOnly)
{
// TODO this might be avoided in future if we will come up with removing of completely empty
// (both in terms of content and possible properties like background and borders) tags from
// logical structure of resultant PDF documents
p.GetAccessibilityProperties().SetRole(StandardRoles.ARTIFACT);
}
return(p);
}
else
{
return(null);
}
}
/// <summary>Adds text to the waiting leaves.</summary>
/// <param name="text">the text</param>
public virtual void Add(String text)
{
if (!keepLineBreaks && collapseSpaces)
{
text = WhiteSpaceUtil.CollapseConsecutiveSpaces(text);
}
else
{
if (keepLineBreaks && collapseSpaces)
{
StringBuilder sb = new StringBuilder(text.Length);
for (int i = 0; i < text.Length; i++)
{
if (TrimUtil.IsNonLineBreakSpace(text[i]))
{
if (sb.Length == 0 || sb[sb.Length - 1] != ' ')
{
sb.Append(" ");
}
}
else
{
sb.Append(text[i]);
}
}
text = sb.ToString();
}
else
{
// false == collapseSpaces
// prohibit trimming first and last spaces
StringBuilder sb = new StringBuilder(text.Length);
sb.Append('\u200d');
for (int i = 0; i < text.Length; i++)
{
sb.Append(text[i]);
if ('\n' == text[i] || ('\r' == text[i] && i + 1 < text.Length && '\n' != text[i + 1]))
{
sb.Append('\u200d');
}
}
if ('\u200d' == sb[sb.Length - 1])
{
sb.Delete(sb.Length - 1, sb.Length);
}
text = sb.ToString();
}
}
if (CssConstants.UPPERCASE.Equals(textTransform))
{
text = text.ToUpperInvariant();
}
else
{
if (CssConstants.LOWERCASE.Equals(textTransform))
{
text = text.ToLowerInvariant();
}
}
waitingLeaves.Add(new iText.Layout.Element.Text(text));
}
