BBCode::Parse( $string )

function Parse($string) {
$this->lexer = new BBCodeLexer($string, $this->tag_marker);
$this->lexer->debug = $this->debug;
$old_output_limit = $this->output_limit;
if ($this->output_limit > 0) {
if (strlen($string) < $this->output_limit) {
$this->output_limit = 0;
}
else if ($this->limit_precision > 0) {
$guess_length = $this->lexer->GuessTextLength();
if ($guess_length < $this->output_limit * ($this->limit_precision + 1.0)) {
$this->output_limit = 0;
}
else {
}
}
}
$this->stack = Array();
$this->start_tags = Array();
$this->lost_start_tags = Array();
$this->text_length = 0;
$this->was_limited = false;
if (strlen($this->pre_trim) > 0)
$this->Internal_CleanupWSByEatingInput($this->pre_trim);
$newline = $this->plain_mode ? "\n" : "<br />\n";
while (true) {
if (($token_type = $this->lexer->NextToken()) == BBCODE_EOI) {
break;
}
switch ($token_type) {
case BBCODE_TEXT:
if ($this->output_limit > 0
&& $this->text_length + strlen($this->lexer->text) >= $this->output_limit) {
$text = $this->Internal_LimitText($this->lexer->text,
$this->output_limit - $this->text_length);
if (strlen($text) > 0) {
$this->text_length += strlen($text);
$this->stack[] = Array(
BBCODE_STACK_TOKEN => BBCODE_TEXT,
BBCODE_STACK_TEXT => $this->FixupOutput($text),
BBCODE_STACK_TAG => false,
BBCODE_STACK_CLASS => $this->current_class,
);
}
$this->Internal_DoLimit();
break 2;
}
$this->text_length += strlen($this->lexer->text);
$this->stack[] = Array(
BBCODE_STACK_TOKEN => BBCODE_TEXT,
BBCODE_STACK_TEXT => $this->FixupOutput($this->lexer->text),
BBCODE_STACK_TAG => false,
BBCODE_STACK_CLASS => $this->current_class,
);
break;
case BBCODE_WS:
if ($this->output_limit > 0
&& $this->text_length + strlen($this->lexer->text) >= $this->output_limit) {
$this->Internal_DoLimit();
break 2;
}
$this->text_length += strlen($this->lexer->text);
$this->stack[] = Array(
BBCODE_STACK_TOKEN => BBCODE_WS,
BBCODE_STACK_TEXT => $this->lexer->text,
BBCODE_STACK_TAG => false,
BBCODE_STACK_CLASS => $this->current_class,
);
break;
case BBCODE_NL:
if ($this->ignore_newlines) {
if ($this->output_limit > 0
&& $this->text_length + 1 >= $this->output_limit) {
$this->Internal_DoLimit();
break 2;
}
$this->text_length += 1;
$this->stack[] = Array(
BBCODE_STACK_TOKEN => BBCODE_WS,
BBCODE_STACK_TEXT => "\n",
BBCODE_STACK_TAG => false,
BBCODE_STACK_CLASS => $this->current_class,
);
}
else {
$this->Internal_CleanupWSByPoppingStack("s", $this->stack);
if ($this->output_limit > 0
&& $this->text_length + 1 >= $this->output_limit) {
$this->Internal_DoLimit();
break 2;
}
$this->text_length += 1;
$this->stack[] = Array(
BBCODE_STACK_TOKEN => BBCODE_NL,
BBCODE_STACK_TEXT => $newline,
BBCODE_STACK_TAG => false,
BBCODE_STACK_CLASS => $this->current_class,
);
$this->Internal_CleanupWSByEatingInput("s");
}
break;
case BBCODE_TAG:
$this->Internal_ParseStartTagToken();
break;
case BBCODE_ENDTAG:
$this->Internal_ParseEndTagToken();
break;
default:
break;
}
}
if (strlen($this->post_trim) > 0)
$this->Internal_CleanupWSByPoppingStack($this->post_trim, $this->stack);
$result = $this->Internal_GenerateOutput(0);
$result = $this->Internal_CollectTextReverse($result, count($result) - 1);
$this->output_limit = $old_output_limit;
if ($this->plain_mode) {
$result = preg_replace("/[\\x00-\\x09\\x0B-\\x20]+/", " ", $result);
$result = preg_replace("/(?:[\\x20]*\\n){2,}[\\x20]*/", "\n\n", $result);
$result = trim($result);
}
return $result;
}