function getValue()
{
$suffix = '';
if ($this->isConstant()) {
$value = $this->base->getValue();
switch (count($this->parameters)) {
case 1:
return lmb_substr($value, 0, $this->parameters[0]->getValue());
break;
case 2:
return lmb_substr($value, $this->parameters[1]->getValue(), $this->parameters[0]->getValue());
break;
case 3:
$suffix = $this->_getSuffix($value, $this->parameters[0]->getValue(), $this->parameters[1]->getValue(), $this->parameters[2]->getValue());
return lmb_substr($value, $this->parameters[1]->getValue(), $this->parameters[0]->getValue()) . $suffix;
break;
case 4:
$limit = $this->parameters[0]->getValue();
$offset = $this->parameters[1]->getValue();
$word_wrap = $this->parameters[3]->getValue();
$suffix = $this->_getSuffix($value, $limit, $offset, $this->parameters[2]->getValue());
if (strtoupper(substr($word_wrap, 0, 1)) != 'N') {
if (lmb_preg_match('~^(.{0,' . $limit . '}(?U)\\w*)\\b~ism', lmb_substr($value, $offset), $match)) {
return $match[1] . $suffix;
} else {
return '';
}
} else {
return lmb_substr($value, $offset, $limit) . $suffix;
}
break;
default:
throw new WactException('Wrong number of filter parameters(1..4)');
}
} else {
$this->raiseUnresolvedBindingError();
}
}
function _makeGap($gap_pos, $text_chunk)
{
$result = '';
$chunk_len = lmb_strlen($text_chunk);
if ($gap_pos == 'middle') {
if ($chunk_len > 2 * $this->radius) {
$result = lmb_substr($text_chunk, 0, $this->radius) . $this->gaps_pattern . lmb_substr($text_chunk, -1 * $this->radius, $this->radius);
} else {
$result = $text_chunk;
}
} elseif ($gap_pos == 'left') {
if ($chunk_len > $this->radius) {
$result = $this->gaps_pattern . lmb_substr($text_chunk, -1 * $this->radius, $this->radius);
} else {
$result = $text_chunk;
}
} elseif ($gap_pos == 'right') {
if ($chunk_len > $this->radius) {
$result = lmb_substr($text_chunk, 0, $this->radius) . $this->gaps_pattern;
} else {
$result = $text_chunk;
}
}
return $result;
}
