public static String computePrintedText(RenderBox renderBox) {
StringBuilder b = new StringBuilder();
RenderNode lineChild = renderBox.getFirstChild();
while (lineChild != null) {
if (lineChild instanceof RenderableText) {
RenderableText text = (RenderableText) lineChild;
b.append(text.getRawText());
} else if (lineChild instanceof SpacerRenderNode) {
SpacerRenderNode spacer = (SpacerRenderNode) lineChild;
for (int i = 0; i < spacer.getSpaceCount(); i += 1) b.append(' ');
} else if (lineChild instanceof RenderBox) {
b.append(computePrintedText((RenderBox) lineChild));
}
lineChild = lineChild.getNext();
}
return b.toString();
}
protected void processOtherNode(final RenderNode node) {
try {
final int nodeType = node.getNodeType();
if (nodeType == LayoutNodeTypes.TYPE_NODE_TEXT
|| nodeType == LayoutNodeTypes.TYPE_NODE_COMPLEX_TEXT) {
super.processOtherNode(node);
return;
}
if (node.isVirtualNode()) {
return;
}
if (nodeType == LayoutNodeTypes.TYPE_NODE_SPACER) {
final SpacerRenderNode spacer = (SpacerRenderNode) node;
final int count = Math.max(1, spacer.getSpaceCount());
for (int i = 0; i < count; i++) {
xmlWriter.writeText(" ");
}
}
} catch (final IOException e) {
throw new RuntimeException("Failed", e);
}
}