public function highlight()
{
$this->parseArgs();
// figure out the code
// error cases are:
if ($this->options['code'] === null && $this->options['input-file'] === null) {
// no input file or source code,
$this->error('No input file or source code specified');
} elseif ($this->options['code'] !== null && $this->options['input-file'] !== null) {
// or both input file and source code
$this->error('Input file (-i) and source code specified. You probably didn\'t mean this');
}
if ($this->options['input-file'] !== null) {
// is there an input file? use that.
$c = @file_get_contents($this->options['input-file']);
if ($c === false) {
$this->error('Could not read from ' . $this->options['input-file']);
} else {
$this->options['code'] = $c;
}
} elseif ($this->options['code'] === '-') {
// else we're expecting code to have been given on the command line,
// but it might be '-' which means read stdin
$code = '';
while (($line = fgets(STDIN)) !== false) {
$code .= $line;
}
$this->options['code'] = $code;
}
// set the formatter
LuminousUi::set('format', $this->options['format']);
// lame check that the formatter is okay
try {
LuminousUi::formatter();
} catch (Exception $e) {
$this->error('Unknown formatter ' . $this->options['format']);
}
// set the theme
$validThemes = LuminousUi::themes();
$theme = $this->options['theme'];
if (!preg_match('/\\.css$/', $theme)) {
$theme .= '.css';
}
if (!LuminousUi::themeExists($theme)) {
$this->error('No such theme: ' . $theme);
} else {
LuminousUi::set('theme', $theme);
}
// set the language
if ($this->options['lang'] === null) {
// guessing
$this->options['lang'] = LuminousUi::guessLanguage($this->options['code']);
}
// user provided language
$scanners = LuminousUi::scanners();
$validScanner = false;
foreach ($scanners as $lang => $codes) {
if (in_array($this->options['lang'], $codes)) {
$validScanner = true;
break;
}
}
if (!$validScanner) {
$this->error('No such language: ' . $this->options['lang']);
}
// other options
LuminousUi::set('max-height', $this->options['height']);
LuminousUi::set('line-numbers', $this->options['line-numbers']);
$h = LuminousUi::highlight($this->options['lang'], $this->options['code']);
if ($this->options['output-file'] !== null) {
$r = @file_put_contents($this->options['output-file'], $h, LOCK_EX);
if ($r === false) {
$this->error('Could not write to ' . $this->options['output-file']);
}
} else {
echo $h;
}
exit(0);
}
/**
* Sets up a formatter instance according to our current options/settings
*/
private function setFormatterOptions(&$formatter)
{
$formatter->wrapLength = $this->settings->wrapWidth;
$formatter->lineNumbers = $this->settings->lineNumbers;
$formatter->startLine = $this->settings->startLine;
$formatter->link = $this->settings->autoLink;
$formatter->height = $this->settings->maxHeight;
$formatter->strictStandards = $this->settings->htmlStrict;
$formatter->setTheme(LuminousUi::theme($this->settings->theme));
$formatter->highlightLines = $this->settings->highlightLines;
$formatter->language = $this->language;
$formatter->colorDistanceAlgorithm = $this->settings->colorDistanceAlgorithm;
}
private function setTheme($value)
{
if (self::checkType($value, 'string')) {
if (!preg_match('/\\.css$/', $value)) {
$value .= '.css';
}
if (!LuminousUi::themeExists($value)) {
throw new Exception('No such theme: ' . LuminousUi::root() . '/style/' . $value);
} else {
$this->theme = $value;
}
}
}