function from_box(&$box)
{
$field = new BoxTextFieldPageNo();
$field->copy_style($box);
$field->words = array("000");
$field->encodings = array("iso-8859-1");
$field->_left = $box->_left;
$field->_top = $box->_top;
$field->baseline = $box->baseline;
return $field;
}
function from_box(&$box)
{
$field = new BoxTextFieldPageNo();
$field->copy_style($box);
$field->word = "000";
$field->encoding = $box->encoding;
$field->src_encoding = $box->src_encoding;
$field->size = $box->size;
$field->decoration = $box->decoration;
$field->family = $box->family;
$field->weight = $box->weight;
$field->style = $box->style;
$field->_left = $box->_left;
$field->_top = $box->_top;
$field->_width_constraint = $box->_width_constraint;
$field->_height_constraint = $box->_height_constraint;
$field->baseline = $box->baseline;
return $field;
}
function process(&$tree, $data, &$pipeline)
{
if (is_a($tree, 'TextBox')) {
// Ignore completely empty text boxes
if (count($tree->words) == 0) {
return;
}
switch ($tree->words[0]) {
case '##PAGE##':
$parent =& $tree->parent;
$field = BoxTextFieldPageNo::from_box($tree);
$parent->insert_before($field, $tree);
$parent->remove($tree);
break;
case '##PAGES##':
$parent =& $tree->parent;
$field = BoxTextFieldPages::from_box($tree);
$parent->insert_before($field, $tree);
$parent->remove($tree);
break;
case '##FILENAME##':
if (is_null($this->filename)) {
$tree->words[0] = $data->get_uri();
} else {
$tree->words[0] = $this->filename;
}
break;
case '##FILESIZE##':
if (is_null($this->filesize)) {
$tree->words[0] = strlen($data->get_content());
} else {
$tree->words[0] = $this->filesize;
}
break;
case '##TIMESTAMP##':
$tree->words[0] = $this->_timestamp;
break;
}
} elseif (is_a($tree, 'GenericContainerBox')) {
for ($i = 0; $i < count($tree->content); $i++) {
$this->process($tree->content[$i], $data, $pipeline);
}
}
}