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PhutilPygmentsSyntaxHighlighter.php
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Sun, Jul 13, 10:34

PhutilPygmentsSyntaxHighlighter.php
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<?php
final class PhutilPygmentsSyntaxHighlighter extends Phobject {
private $config = array();
public function setConfig($key, $value) {
$this->config[$key] = $value;
return $this;
}
public function getHighlightFuture($source) {
$language = idx($this->config, 'language');
if (preg_match('/\r(?!\n)/', $source)) {
// TODO: Pygments converts "\r" newlines into "\n" newlines, so we can't
// use it on files with "\r" newlines. If we have "\r" not followed by
// "\n" in the file, skip highlighting.
$language = null;
}
if ($language) {
$language = $this->getPygmentsLexerNameFromLanguageName($language);
$future = new ExecFuture(
'pygmentize -O encoding=utf-8 -O stripnl=False -f html -l %s',
$language);
$scrub = false;
if ($language == 'php' && strpos($source, '<?') === false) {
$source = "<?php\n".$source;
$scrub = true;
}
// See T13224. In some cases, "pygmentize" has explosive runtime on small
// inputs. Put a hard cap on how long it is allowed to run for to limit
// the amount of damage it can do.
$future->setTimeout(15);
$future->write($source);
return new PhutilDefaultSyntaxHighlighterEnginePygmentsFuture(
$future,
$source,
$scrub);
}
return id(new PhutilDefaultSyntaxHighlighter())
->getHighlightFuture($source);
}
private function getPygmentsLexerNameFromLanguageName($language) {
static $map = array(
'adb' => 'ada',
'ads' => 'ada',
'ahkl' => 'ahk',
'as' => 'as3',
'asax' => 'aspx-vb',
'ascx' => 'aspx-vb',
'ashx' => 'aspx-vb',
'ASM' => 'nasm',
'asm' => 'nasm',
'asmx' => 'aspx-vb',
'aspx' => 'aspx-vb',
'autodelegate' => 'myghty',
'autohandler' => 'mason',
'aux' => 'tex',
'axd' => 'aspx-vb',
'b' => 'brainfuck',
'bas' => 'vb.net',
'bf' => 'brainfuck',
'bmx' => 'blitzmax',
'c++' => 'cpp',
'c++-objdump' => 'cpp-objdump',
'cc' => 'cpp',
'cfc' => 'cfm',
'cfg' => 'ini',
'cfml' => 'cfm',
'cl' => 'common-lisp',
'clj' => 'clojure',
'cmd' => 'bat',
'coffee' => 'coffee-script',
'cs' => 'csharp',
'csh' => 'tcsh',
'cw' => 'redcode',
'cxx' => 'cpp',
'cxx-objdump' => 'cpp-objdump',
'darcspatch' => 'dpatch',
'def' => 'modula2',
'dhandler' => 'mason',
'di' => 'd',
'duby' => 'rb',
'dyl' => 'dylan',
'ebuild' => 'bash',
'eclass' => 'bash',
'el' => 'common-lisp',
'eps' => 'postscript',
'erl' => 'erlang',
'erl-sh' => 'erl',
'f' => 'fortran',
'f90' => 'fortran',
'F90' => 'fortran', // c4science custo
'feature' => 'Cucumber',
'fhtml' => 'velocity',
'flx' => 'felix',
'flxh' => 'felix',
'frag' => 'glsl',
'g' => 'antlr-ruby',
'G' => 'antlr-ruby',
'gdc' => 'gooddata-cl',
'gemspec' => 'rb',
'geo' => 'glsl',
'GNUmakefile' => 'make',
'h' => 'c',
'h++' => 'cpp',
'hh' => 'cpp',
'hpp' => 'cpp',
'hql' => 'sql',
'hrl' => 'erlang',
'hs' => 'haskell',
'htaccess' => 'apacheconf',
'htm' => 'html',
'html' => 'html+evoque',
'hxx' => 'cpp',
'hy' => 'hybris',
'hyb' => 'hybris',
'ik' => 'ioke',
'inc' => 'pov',
'j' => 'objective-j',
'jbst' => 'duel',
'kid' => 'genshi',
'ksh' => 'bash',
'less' => 'css',
'lgt' => 'logtalk',
'lisp' => 'common-lisp',
'll' => 'llvm',
'm' => 'objective-c',
'mak' => 'make',
'Makefile' => 'make',
'makefile' => 'make',
'man' => 'groff',
'mao' => 'mako',
'mc' => 'mason',
'md' => 'minid',
'mhtml' => 'mason',
'mi' => 'mason',
'ml' => 'ocaml',
'mli' => 'ocaml',
'mll' => 'ocaml',
'mly' => 'ocaml',
'mm' => 'objective-c',
'mo' => 'modelica',
'mod' => 'modula2',
'moo' => 'moocode',
'mu' => 'mupad',
'myt' => 'myghty',
'ns2' => 'newspeak',
'pas' => 'delphi',
'patch' => 'diff',
'phtml' => 'html+php',
'pl' => 'prolog',
'plot' => 'gnuplot',
'plt' => 'gnuplot',
'pm' => 'perl',
'po' => 'pot',
'pp' => 'puppet',
'pro' => 'prolog',
'proto' => 'protobuf',
'ps' => 'postscript',
'pxd' => 'cython',
'pxi' => 'cython',
'py' => 'python',
'pyw' => 'python',
'pyx' => 'cython',
'R' => 'splus',
'r' => 'rebol',
'r3' => 'rebol',
'rake' => 'rb',
'Rakefile' => 'rb',
'rbw' => 'rb',
'rbx' => 'rb',
'rest' => 'rst',
'rl' => 'ragel-em',
'robot' => 'robotframework',
'Rout' => 'rconsole',
'rss' => 'xml',
's' => 'gas',
'S' => 'splus',
'sc' => 'python',
'scm' => 'scheme',
'SConscript' => 'python',
'SConstruct' => 'python',
'scss' => 'css',
'sh' => 'bash',
'sh-session' => 'console',
'spt' => 'cheetah',
'sqlite3-console' => 'sqlite3',
'st' => 'smalltalk',
'sv' => 'v',
'tac' => 'python',
'tmpl' => 'cheetah',
'toc' => 'tex',
'tpl' => 'smarty',
'txt' => 'text',
'vapi' => 'vala',
'vb' => 'vb.net',
'vert' => 'glsl',
'vhd' => 'vhdl',
'vimrc' => 'vim',
'vm' => 'velocity',
'weechatlog' => 'irc',
'wlua' => 'lua',
'wsdl' => 'xml',
'xhtml' => 'html',
'xml' => 'xml+evoque',
'xqy' => 'xquery',
'xsd' => 'xml',
'xsl' => 'xslt',
'xslt' => 'xml',
'yml' => 'yaml',
);
return idx($map, $language, $language);
}
}

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