/**
* Handles the parsing process. It's recommended to use Easy_Parse instead,
* which wraps this function (and others).
* \return a string which is formatted with an internal tagging spec.
* But the caller should not worry about that, it's only for recursion.
*
* \throw Exception in the event that the PCRE module fails somehow. The
* error is given in the exception message, but this is likely down to an
* exceptionally large string which is triggering the PCRE backtrack limit.
* The parser should survive, but the string will not by syntax highlighted
*
*/
public function Parse_Full()
{
$this->DoStartEnds();
$pos = -1;
$parse_nothing = false;
$parse_everything = false;
// no legal start/end
if (count($this->grammar->ignore_outside) && (!count($this->starts) || !count($this->ends))) {
// Strict mode - don't parse anything
if ($this->grammar->ignore_outside_strict) {
$parse_nothing = true;
}
}
if (!count($this->grammar->ignore_outside)) {
$parse_everything = true;
}
if ($parse_nothing) {
$this->output = $this->input_src;
} else {
if ($parse_everything) {
$this->parse_all = true;
}
$this->ParseDelimiters();
if ($parse_everything) {
$this->output = str_replace("<&START>", "", $this->output);
$this->output = str_replace("<&END>", "", $this->output);
$this->output = $this->Parse_Regex_Wrapper_Callback(array(0, $this->output));
} else {
$this->SplitStartEnds();
}
}
if ($this->output === null && preg_last_error() !== PREG_NO_ERROR) {
throw new Exception("PCRE error: " . pcre_error_decode(preg_last_error()));
$this->output = $this->input;
return $this->input;
}
if ($this->grammar->child_grammar !== null) {
$highlighter = new Luminous();
$highlighter->verbosity = $this->verbosity;
$highlighter->SetSource($this->output);
$highlighter->SetGrammar($this->grammar->child_grammar);
$highlighter->SetExtractionsOffset($this->num_extractions + $this->extractions_offset);
$highlighter->FinaliseSetup();
$this->output = $highlighter->Parse_Full();
}
$this->DoReplacements();
return $this->output;
}