function &create($text, $encoding, &$pipeline)
{
$box =& TextBox::create_empty($pipeline);
$box->add_subword($text, $encoding, array());
return $box;
}
function process_word($raw_content, &$pipeline)
{
if ($raw_content === '') {
return false;
}
$ptr = 0;
$word = '';
$hyphens = array();
$encoding = 'iso-8859-1';
$manager_encoding =& ManagerEncoding::get();
$text_box =& TextBox::create_empty($pipeline);
$len = strlen($raw_content);
while ($ptr < $len) {
$char = $manager_encoding->getNextUTF8Char($raw_content, $ptr);
// Check if current char is a soft hyphen character. It it is,
// remove it from the word (as it should not be drawn normally)
// and store its location
if ($char == SYMBOL_SHY) {
$hyphens[] = strlen($word);
} else {
$mapping = $manager_encoding->getMapping($char);
/**
* If this character is not found in predefined encoding vectors,
* we'll use "Custom" encoding and add single-character TextBox
*
* @TODO: handle characters without known glyph names
*/
if (is_null($mapping)) {
/**
* No mapping to default encoding vectors found for this character
*/
/**
* Add last word
*/
if ($word !== '') {
$text_box->add_subword($word, $encoding, $hyphens);
}
/**
* Add current symbol
*/
$custom_char = $manager_encoding->addCustomChar(utf8_to_code($char));
$text_box->add_subword($custom_char, $manager_encoding->getCustomEncodingName(), $hyphens);
$word = '';
} else {
if (isset($mapping[$encoding])) {
$word .= $mapping[$encoding];
} else {
// This condition prevents empty text boxes from appearing; say, if word starts with a national
// character, an () - text box with no letters will be generated, in rare case causing a random line
// wraps, if container is narrow
if ($word !== '') {
$text_box->add_subword($word, $encoding, $hyphens);
}
reset($mapping);
list($encoding, $add) = each($mapping);
$word = $mapping[$encoding];
$hyphens = array();
}
}
}
}
if ($word !== '') {
$text_box->add_subword($word, $encoding, $hyphens);
}
$this->add_child($text_box);
return true;
}
