云栖博客支持语法高亮的常用语言

Bash

例：

###### BEGIN CONFIG
ACCEPTED_HOSTS="/root/.hag_accepted.conf"
BE_VERBOSE=false
###### END CONFIG

if [ "$UID" -ne 0 ]
then
 echo "Superuser rights is required"
 echo 'Printing the # sign'
 exit 2
fi

if test $# -eq 0
then
elif test [ $1 == 'start' ]
else
fi

genApacheConf(){
 if [[ "$2" = "www" ]]
 then
  full_domain=$1
 else
  full_domain=$2.$1
 fi
 host_root="${APACHE_HOME_DIR}$1/$2/$(title)"
 echo -e "# Host $1/$2 :"
}

CoffeeScript

grade = (student, period=(if b? then 7 else 6), messages={"A": "Excellent"}) ->
  if student.excellentWork
    "A+"
  else if student.okayStuff
    if student.triedHard then "B" else "B-"
  else
    "C"

square = (x) -> x * x

two = -> 2

math =
  root:   Math.sqrt
  square: square
  cube:   (x) -> x * square x

race = (winner, runners...) ->
  print winner, runners

class Animal extends Being
  constructor: (@name) ->

  move: (meters) ->
    alert @name + " moved #{meters}m."

hi = `function() {
  return [document.title, "Hello JavaScript"].join(": ");
}`

heredoc = """
CoffeeScript subst test #{ 010 + 0xf / 0b10 + "nested string #{ /\n/ }"}
"""

###
CoffeeScript Compiler v1.2.0
Released under the MIT License
###

OPERATOR = /// ^ (
?: [-=]>             # function
) ///

C++

#include <iostream>
#define IABS(x) ((x) < 0 ? -(x) : (x))

int main(int argc, char *argv[]) {

  /* An annoying "Hello World" example */
  for (auto i = 0; i < 0xFFFF; i++)
    cout << "Hello, World!" << endl;

  char c = '\n';
  unordered_map <string, vector<string> > m;
  m["key"] = "\\\\"; // this is an error

  return -2e3 + 12l;
}

C#

using System;

#pragma warning disable 414, 3021

public class Program
{
    /// <summary>The entry point to the program.</summary>
    public static int Main(string[] args)
    {
        Console.WriteLine("Hello, World!");
        string s = @"This
""string""
spans
multiple
lines!";

        dynamic x = new ExpandoObject();
        x.MyProperty = 2;

        return 0;
    }
}

async Task<int> AccessTheWebAsync()
{
    // ...
    string urlContents = await getStringTask;
    return urlContents.Length;
}

internal static void ExceptionFilters()
{
  try 
  {
      throw new Exception();
  }
  catch (Exception e) when (e.Message == "My error") { }
}

CSS

@media screen and (-webkit-min-device-pixel-ratio: 0) {
  body:first-of-type pre::after {
    content: 'highlight: ' attr(class);
  }
  body {
    background: linear-gradient(45deg, blue, red);
  }
}

@import url('print.css');
@page:right {
 margin: 1cm 2cm 1.3cm 4cm;
}

@font-face {
  font-family: Chunkfive; src: url('Chunkfive.otf');
}

div.text,
#content,
li[lang=ru] {
  font: Tahoma, Chunkfive, sans-serif;
  background: url('hatch.png') /* wtf? */;  color: #F0F0F0 !important;
  width: 100%;
}

Diff

Index: languages/ini.js
===================================================================
--- languages/ini.js    (revision 199)
+++ languages/ini.js    (revision 200)
@@ -1,8 +1,7 @@
 hljs.LANGUAGES.ini =
 {
   case_insensitive: true,
-  defaultMode:
-  {
+  defaultMode: {
     contains: ['comment', 'title', 'setting'],
     illegal: '[^\\s]'
   },

*** /path/to/original timestamp
--- /path/to/new      timestamp
***************
*** 1,3 ****
--- 1,9 ----
+ This is an important
+ notice! It should
+ therefore be located at
+ the beginning of this
+ document!

! compress the size of the
! changes.

  It is important to spell

HTTP

POST /task?id=1 HTTP/1.1
Host: example.org
Content-Type: application/json; charset=utf-8
Content-Length: 19

{"status": "ok", "extended": true}

Ini

; boilerplate
[package]
name = "some_name"
authors = ["Author"]
description = "This is \
a description"

[[lib]]
name = ${NAME}
default = True
auto = no
counter = 1_000

Java

/**
 * @author John Smith <john.smith@example.com>
 * @version 1.0
*/
package l2f.gameserver.model;

import java.util.ArrayList;

public abstract class L2Character extends L2Object {
  public static final Short ABNORMAL_EFFECT_BLEEDING = 0x0_0_0_1; // not sure

  public void moveTo(int x, int y, int z) {
    _ai = null;
    _log.warning("Should not be called");
    if (1 > 5) {
      return;
    }
  }

  /** Task of AI notification */
  @SuppressWarnings( { "nls", "unqualified-field-access", "boxing" })
  public class NotifyAITask implements Runnable {
    private final CtrlEvent _evt;

    List<String> mList = new ArrayList<String>()

    public void run() {
      try {
        getAI().notifyEvent(_evt, _evt.class, null);
      } catch (Throwable t) {
        t.printStackTrace();
      }
    }
  }
}

JavaScript

import {x, y} as p from 'point';
const ANSWER = 42;

class Car extends Vehicle {
  constructor(speed, cost) {
    super(speed);

    var c = Symbol('cost');
    this[c] = cost;

    this.intro = `This is a car runs at
      ${speed}.`;
  }
}

for (let num of [1, 2, 3]) {
  console.log(num + 0b111110111);
}

function $initHighlight(block, flags) {
  try {
    if (block.className.search(/\bno\-highlight\b/) != -1)
      return processBlock(block.function, true, 0x0F) + ' class=""';
  } catch (e) {
    /* handle exception */
    var e4x =
        <div>Example
            <p>1234</p></div>;
  }
  for (var i = 0 / 2; i < classes.length; i++) { // "0 / 2" should not be parsed as regexp
    if (checkCondition(classes[i]) === undefined)
      return /\d+[\s/]/g;
  }
  console.log(Array.every(classes, Boolean));
}

export  $initHighlight;

JSON

[
  {
    "title": "apples",
    "count": [12000, 20000],
    "description": {"text": "...", "sensitive": false}
  },
  {
    "title": "oranges",
    "count": [17500, null],
    "description": {"text": "...", "sensitive": false}
  }
]

Makefile

# Makefile

BUILDDIR      = _build
EXTRAS       ?= $(BUILDDIR)/extras

.PHONY: main clean

main:
    @echo "Building main facility..."
    build_main $(BUILDDIR)

clean:
    rm -rf $(BUILDDIR)/*

Markdown

# hello world

you can write text [with links](http://example.com) inline or [link references][1].

* one _thing_ has *em*phasis
* two __things__ are **bold**

[1]: http://example.com

---

hello world
===========

<this_is inline="xml"></this_is>

> markdown is so cool

    so are code segments

1. one thing (yeah!)
2. two thing `i can write code`, and `more` wipee!

Objective-C

#import <UIKit/UIKit.h>
#import "Dependency.h"

@protocol WorldDataSource
@optional
- (NSString*)worldName;
@required
- (BOOL)allowsToLive;
@end

@interface Test : NSObject <HelloDelegate, WorldDataSource> {
  NSString *_greeting;
}

@property (nonatomic, readonly) NSString *greeting;
- (IBAction) show;
@end

@implementation Test

@synthesize test=_test;

+ (id) test {
  return [self testWithGreeting:@"Hello, world!\nFoo bar!"];
}

+ (id) testWithGreeting:(NSString*)greeting {
  return [[[self alloc] initWithGreeting:greeting] autorelease];
}

- (id) initWithGreeting:(NSString*)greeting {
  if ( (self = [super init]) ) {
    _greeting = [greeting retain];
  }
  return self;
}

- (void) dealloc {
  [_greeting release];
  [super dealloc];
}

@end

Perl

# loads object
sub load
{
  my $flds = $c->db_load($id,@_) || do {
    Carp::carp "Can`t load (class: $c, id: $id): '$!'"; return undef
  };
  my $o = $c->_perl_new();
  $id12 = $id / 24 / 3600;
  $o->{'ID'} = $id12 + 123;
  #$o->{'SHCUT'} = $flds->{'SHCUT'};
  my $p = $o->props;
  my $vt;
  $string =~ m/^sought_text$/;
  $items = split //, 'abc';
  $string //= "bar";
  for my $key (keys %$p)
  {
    if(${$vt.'::property'}) {
      $o->{$key . '_real'} = $flds->{$key};
      tie $o->{$key}, 'CMSBuilder::Property', $o, $key;
    }
  }
  $o->save if delete $o->{'_save_after_load'};

  # GH-117
  my $g = glob("/usr/bin/*");

  return $o;
}

__DATA__
@@ layouts/default.html.ep
<!DOCTYPE html>
<html>
  <head><title><%= title %></title></head>
  <body><%= content %></body>
</html>
__END__

=head1 NAME
POD till the end of file

PHP

require_once 'Zend/Uri/Http.php';

namespace Location\Web;

interface Factory
{
    static function _factory();
}

abstract class URI extends BaseURI implements Factory
{
    abstract function test();

    public static $st1 = 1;
    const ME = "Yo";
    var $list = NULL;
    private $var;

    /**
     * Returns a URI
     *
     * @return URI
     */
    static public function _factory($stats = array(), $uri = 'http')
    {
        echo __METHOD__;
        $uri = explode(':', $uri, 0b10);
        $schemeSpecific = isset($uri[1]) ? $uri[1] : '';
        $desc = 'Multi
line description';

        // Security check
        if (!ctype_alnum($scheme)) {
            throw new Zend_Uri_Exception('Illegal scheme');
        }

        $this->var = 0 - self::$st;
        $this->list = list(Array("1"=> 2, 2=>self::ME, 3 => \Location\Web\URI::class));

        return [
            'uri'   => $uri,
            'value' => null,
        ];
    }
}

echo URI::ME . URI::$st1;

__halt_compiler () ; datahere
datahere
datahere */
datahere

Python

@requires_authorization
def somefunc(param1='', param2=0):
    r'''A docstring'''
    if param1 > param2: # interesting
        print 'Gre\'ater'
    return (param2 - param1 + 1 + 0b10l) or None

class SomeClass:
    pass

>>> message = '''interpreter
... prompt'''

Ruby

class A < B; def self.create(object = User) object end end
class Zebra; def inspect; "X#{2 + self.object_id}" end end

module ABC::DEF
  include Comparable

  # @param test
  # @return [String] nothing
  def foo(test)
    Thread.new do |blockvar|
      ABC::DEF.reverse(:a_symbol, :'a symbol', :<=>, 'test' + ?\012)
      answer = valid?4 && valid?CONST && ?A && ?A.ord
    end.join
  end

  def [](index) self[index] end
  def ==(other) other == self end
end

class Car < ActiveRecord::Base
  has_many :wheels, class_name: 'Wheel', foreign_key: 'car_id'
  scope :available, -> { where(available: true) }
end

hash = {1 => 'one', 2 => 'two'}

2.0.0p0 :001 > ['some']
 => ["some"]

SQL

BEGIN;
CREATE TABLE "topic" (
    -- This is the greatest table of all time
    "id" serial NOT NULL PRIMARY KEY,
    "forum_id" integer NOT NULL,
    "subject" varchar(255) NOT NULL -- Because nobody likes an empty subject
);
ALTER TABLE "topic" ADD CONSTRAINT forum_id FOREIGN KEY ("forum_id") REFERENCES "forum" ("id");

-- Initials
insert into "topic" ("forum_id", "subject") values (2, 'D''artagnian');

select /* comment */ count(*) from cicero_forum;

-- this line lacks ; at the end to allow people to be sloppy and omit it in one-liners
/*
but who cares?
*/
COMMIT

XML

<?xml version="1.0"?>
<response value="ok" xml:lang="en">
  <text>Ok</text>
  <comment html_allowed="true"/>
  <ns1:description><![CDATA[
  CDATA is <not> magical.
  ]]></ns1:description>
  <a></a> <a/>
</response>


<!DOCTYPE html>
<title>Title</title>

<style>body {width: 500px;}</style>

<script type="application/javascript">
  function $init() {return true;}
</script>

<body>
  <p checked class="title" id='title'>Title</p>
  <!-- here goes the rest of the page -->
</body>

ARM Assembly

.text

.global connect
connect:
    mov     r3, #2              ; s->sin_family = AF_INET
    strh    r3, [sp]
    ldr     r3, =server_port    ; s->sin_port = server_port
    ldr     r3, [r3]
    strh    r3, [sp, #2]
    ldr     r3, =server_addr    ; s->sin_addr = server_addr
    ldr     r3, [r3]
    str     r3, [sp, #4]
    mov     r3, #0              ; bzero(&s->sin_zero)
    str     r3, [sp, #8]
    str     r3, [sp, #12]
    mov     r1, sp      ; const struct sockaddr *addr = sp

    ldr     r7, =connect_call
    ldr     r7, [r7]
    swi     #0

    add     sp, sp, #16
    pop     {r0}        ; pop sockfd

    pop     {r7}
    pop     {fp, ip, lr}
    mov     sp, ip
    bx      lr

.data
socket_call:   .long 281
connect_call:  .long 283

/* all addresses are network byte-order (big-endian) */
server_addr:            .long 0x0100007f ; localhost
server_port:            .hword 0x0b1a

AVR汇编

;* Title:       Block Copy Routines
;* Version:     1.1

.include "8515def.inc"

        rjmp    RESET       ;reset handle

.def    flashsize=r16       ;size of block to be copied

flash2ram:
        lpm                 ;get constant
        st      Y+,r0       ;store in SRAM and increment Y-pointer
        adiw    ZL,1        ;increment Z-pointer
        dec     flashsize
        brne    flash2ram   ;if not end of table, loop more
        ret

.def    ramtemp =r1         ;temporary storage register
.def    ramsize =r16        ;size of block to be copied

MIPS汇编

.text
.global AckermannFunc

# Preconditions:
#   1st parameter ($a0) m
#   2nd parameter ($a1) n
# Postconditions:
#   result in ($v0) = value of A(m,n)

AckermannFunc:
            addi    $sp,   $sp, -8
            sw      $s0, 4($sp)
            sw      $ra, 0($sp)

            # move the parameter registers to temporary  - no, only when nec.

LABEL_IF:   bne     $a0, $zero, LABEL_ELSE_IF

            addi    $v0, $a1, 1

            # jump to LABEL_DONE
            j LABEL_DONE

x86汇编

section .text
extern  _MessageBoxA@16
%if     __NASM_VERSION_ID__ >= 0x02030000
safeseh handler         ; register handler as "safe handler"
%endif

handler:
        push    dword 1 ; MB_OKCANCEL
        push    dword caption
        push    dword text
        push    dword 0
        call    _MessageBoxA@16
        sub     eax,1   ; incidentally suits as return value
                        ; for exception handler
        ret

global  _main
_main:  push    dword handler
        push    dword [fs:0]
        mov     dword [fs:0], esp
        xor     eax,eax
        mov     eax, dword[eax]   ; cause exception
        pop     dword [fs:0]      ; disengage exception handler
        add     esp, 4
        ret

avx2:   vzeroupper
        push      rbx
        mov       rbx,   rsp
        sub       rsp,   0h20
        vmovdqa   ymm0,  [rcx]
        vpaddb    ymm0,  [rdx]
        leave
        ret

text:   db      'OK to rethrow, CANCEL to generate core dump',0
caption:db      'SEGV',0

section .drectve info
        db      '/defaultlib:user32.lib /defaultlib:msvcrt.lib '

Elixir

defrecord Person, first_name: nil, last_name: "Dudington" do
  def name record do # huh ?
    "#{record.first_name} #{record.last_name}"
  end
end

defrecord User, name: "José", age: 25

guy = Person.new first_name: "Guy"
guy.name

defmodule ListServer do
  @moduledoc """
  This module provides an easy to use ListServer, useful for keeping
  lists of things.
  """
  use GenServer.Behaviour
  alias Foo.Bar

  ### Public API
  @doc """
  Starts and links a new ListServer, returning {:ok, pid}

  ## Example

    iex> {:ok, pid} = ListServer.start_link

  """
  def start_link do
    :gen_server.start_link({:local, :list}, __MODULE__, [], [])
  end

  ### GenServer API
  def init(list) do
    {:ok, list}
  end

  # Clear the list
  def handle_cast :clear, list do
    {:noreply, []}
  end
end

{:ok, pid} = ListServer.start_link
pid <- {:foo, "bar"}

greeter = fn(x) -> IO.puts "hey #{x}" end
greeter.("Bob")

Elm

module Examples.Hello (main, Point, Tree(..)) where

import Html exposing (Html, span, text)
import Html.Attributes exposing (..)
import Time

main : Html
main =
  span [class "welcome-message"] [text "Hello, World!"]

type alias Point = { x : Int, y : Int }

type Tree a = Leaf a | Node (Tree a) a (Tree a)

flatten : Tree a -> List a
flatten t =
  case t of
    Leaf a -> [a]
    Node l a r -> flatten l ++ a :: flatten r

-- outgoing values
port time : Signal Float
port time = Time.every 1000

Erlang

-module(ssh_cli).

-behaviour(ssh_channel).

-include("ssh.hrl").
%% backwards compatibility
-export([listen/1, listen/2, listen/3, listen/4, stop/1]).

if L =/= [] ->      % If L is not empty
    sum(L) / count(L);
true ->
    error
end.

%% state
-record(state, {
    cm,
    channel
   }).

-spec foo(integer()) -> integer().
foo(X) -> 1 + X.

test(Foo)->Foo.

init([Shell, Exec]) ->
    {ok, #state{shell = Shell, exec = Exec}};
init([Shell]) ->
    false = not true,
    io:format("Hello, \"~p!~n", [atom_to_list('World')]),
    {ok, #state{shell = Shell}}.

concat([Single]) -> Single;
concat(RList) ->
    EpsilonFree = lists:filter(
        fun (Element) ->
            case Element of
                epsilon -> false;
                _ -> true
            end
        end,
        RList),
    case EpsilonFree of
        [Single] -> Single;
        Other -> {concat, Other}
    end.

union_dot_union({union, _}=U1, {union, _}=U2) ->
    union(lists:flatten(
        lists:map(
            fun (X1) ->
                lists:map(
                    fun (X2) ->
                        concat([X1, X2])
                    end,
                    union_to_list(U2)
                )
            end,
            union_to_list(U1)
        ))).

F#

open System

// Single line comment...
(*
  This is a
  multiline comment.
*)
let checkList alist =
    match alist with
    | [] -> 0
    | [a] -> 1
    | [a; b] -> 2
    | [a; b; c] -> 3
    | _ -> failwith "List is too big!"


let text = "Some text..."
let text2 = @"A ""verbatim"" string..."
let catalog = """
Some "long" string...
"""

let rec fib x = if x <= 2 then 1 else fib(x-1) + fib(x-2)

let fibs =
    Async.Parallel [ for i in 0..40 -> async { return fib(i) } ]
    |> Async.RunSynchronously

type Sprocket(gears) =
  member this.Gears : int = gears

[<AbstractClass>]
type Animal =
  abstract Speak : unit -> unit

type Widget =
  | RedWidget
  | GreenWidget

type Point = {X: float; Y: float;}

[<Measure>]
type s
let minutte = 60<s>

type DefaultMailbox<'a>() =
    let mutable inbox = ConcurrentQueue<'a>()
    let awaitMsg = new AutoResetEvent(false)

Haskell

{-# LANGUAGE TypeSynonymInstances #-}
module Network.UDP
( DataPacket(..)
, openBoundUDPPort
, openListeningUDPPort
, pingUDPPort
, sendUDPPacketTo
, recvUDPPacket
, recvUDPPacketFrom
) where

import qualified Data.ByteString as Strict (ByteString, concat, singleton)
import qualified Data.ByteString.Lazy as Lazy (ByteString, toChunks, fromChunks)
import Data.ByteString.Char8 (pack, unpack)
import Network.Socket hiding (sendTo, recv, recvFrom)
import Network.Socket.ByteString (sendTo, recv, recvFrom)

-- Type class for converting StringLike types to and from strict ByteStrings
class DataPacket a where
  toStrictBS :: a -> Strict.ByteString
  fromStrictBS :: Strict.ByteString -> a

instance DataPacket Strict.ByteString where
  toStrictBS = id
  {-# INLINE toStrictBS #-}
  fromStrictBS = id
  {-# INLINE fromStrictBS #-}

openBoundUDPPort :: String -> Int -> IO Socket
openBoundUDPPort uri port = do
  s <- getUDPSocket
  bindAddr <- inet_addr uri
  let a = SockAddrInet (toEnum port) bindAddr
  bindSocket s a
  return s

pingUDPPort :: Socket -> SockAddr -> IO ()
pingUDPPort s a = sendTo s (Strict.singleton 0) a >> return ()

Scala

/**
 * A person has a name and an age.
 */
case class Person(name: String, age: Int)

abstract class Vertical extends CaseJeu
case class Haut(a: Int) extends Vertical
case class Bas(name: String, b: Double) extends Vertical

sealed trait Ior[+A, +B]
case class Left[A](a: A) extends Ior[A, Nothing]
case class Right[B](b: B) extends Ior[Nothing, B]
case class Both[A, B](a: A, b: B) extends Ior[A, B]

trait Functor[F[_]] {
  def map[A, B](fa: F[A], f: A => B): F[B]
}

// beware Int.MinValue
def absoluteValue(n: Int): Int =
  if (n < 0) -n else n

def interp(n: Int): String =
  s"there are $n ${color} balloons.\n"

type ξ[A] = (A, A)

trait Hist { lhs =>
  def ⊕(rhs: Hist): Hist
}

def gsum[A: Ring](as: Seq[A]): A =
  as.foldLeft(Ring[A].zero)(_ + _)

val actions: List[Symbol] =
  'init :: 'read :: 'write :: 'close :: Nil

trait Cake {
  type T;
  type Q
  val things: Seq[T]

  abstract class Spindler

  def spindle(s: Spindler, ts: Seq[T], reversed: Boolean = false): Seq[Q]
}

val colors = Map(
  "red"       -> 0xFF0000,
  "turquoise" -> 0x00FFFF,
  "black"     -> 0x000000,
  "orange"    -> 0xFF8040,
  "brown"     -> 0x804000)

lazy val ns = for {
  x <- 0 until 100
  y <- 0 until 100
} yield (x + y) * 33.33

GLSL

// vertex shader
#version 150
in  vec2 in_Position;
in  vec3 in_Color;

out vec3 ex_Color;
void main(void) {
    gl_Position = vec4(in_Position.x, in_Position.y, 0.0, 1.0);
    ex_Color = in_Color;
}


// geometry shader
#version 150

layout(triangles) in;
layout(triangle_strip, max_vertices = 3) out;

void main() {
  for(int i = 0; i < gl_in.length(); i++) {
    gl_Position = gl_in[i].gl_Position;
    EmitVertex();
  }
  EndPrimitive();
}


// fragment shader
#version 150
precision highp float;

in  vec3 ex_Color;
out vec4 gl_FragColor;

void main(void) {
    gl_FragColor = vec4(ex_Color, 1.0);
}

Clojure

; Comment

(def
  ^{:macro true
    :added "1.0"}
  let (fn* let [&form &env & decl](cons 'let* decl)))

(def ^:dynamic chunk-size 17)

(defn next-chunk [rdr]
  (let [buf (char-array chunk-size)
        s (.read rdr buf)]
  (when (pos? s)
    (java.nio.CharBuffer/wrap buf 0 s))))

(defn chunk-seq [rdr]
  (when-let [chunk (next-chunk rdr)]
    (cons chunk (lazy-seq (chunk-seq rdr)))))

Lisp

#!/usr/bin/env csi

(defun prompt-for-cd ()
   "Prompts
    for CD"
   (prompt-read "Title" 1.53 1 2/4 1.7 1.7e0 2.9E-4 +42 -7 #b001 #b001/100 #o777 #O777 #xabc55 #c(0 -5.6))
   (prompt-read "Artist" &rest)
   (or (parse-integer (prompt-read "Rating") :junk-allowed t) 0)
  (if x (format t "yes") (format t "no" nil) ;and here comment
  )
  ;; second line comment
  '(+ 1 2)
  (defvar *lines*)                ; list of all lines
  (position-if-not #'sys::whitespacep line :start beg))
  (quote (privet 1 2 3))
  '(hello world)
  (* 5 7)
  (1 2 34 5)
  (:use "aaaa")
  (let ((x 10) (y 20))
    (print (+ x y))
  )