ref: fa29e94edb680943b3de801367d41174fc1343c8
parent: 44d57fdc0ce6743a92a8ad8b73566e344762cc24
author: spf13 <[email protected]>
date: Thu Dec 5 04:42:29 EST 2013
Adding Pygments helper
--- /dev/null
+++ b/helpers/pygments.go
@@ -1,0 +1,45 @@
+// Copyright © 2013 Steve Francia <[email protected]>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package helpers
+
+import (
+ "bytes"
+ "log"
+ "os/exec"
+ "strings"
+)
+
+func Highlight(code string, lexer string) string {+ var pygmentsBin = "pygmentize"
+
+ if _, err := exec.LookPath(pygmentsBin); err != nil {+ log.Print("Highlighting requries Pygments to be installed and in the path")+ return code
+ }
+
+ var out bytes.Buffer
+ var stderr bytes.Buffer
+
+ cmd := exec.Command(pygmentsBin, "-l"+lexer, "-fhtml", "-O style=monokai,noclasses=true,encoding=utf-8")
+ cmd.Stdin = strings.NewReader(code)
+ cmd.Stdout = &out
+ cmd.Stderr = &stderr
+
+ if err := cmd.Run(); err != nil {+ log.Print(stderr.String())
+ log.Fatal(err)
+ }
+
+ return out.String()
+}