type_plan9.go

     1  // Copyright 2013 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package mime
     6  
     7  import (
     8  	"bufio"
     9  	"os"
    10  	"strings"
    11  )
    12  
    13  func init() {
    14  	osInitMime = initMimePlan9
    15  }
    16  
    17  func initMimePlan9() {
    18  	for _, filename := range typeFiles {
    19  		loadMimeFile(filename)
    20  	}
    21  }
    22  
    23  var typeFiles = []string{
    24  	"/sys/lib/mimetype",
    25  }
    26  
    27  func initMimeForTests() map[string]string {
    28  	typeFiles = []string{"testdata/test.types.plan9"}
    29  	return map[string]string{
    30  		".t1":  "application/test",
    31  		".t2":  "text/test; charset=utf-8",
    32  		".pNg": "image/png",
    33  	}
    34  }
    35  
    36  func loadMimeFile(filename string) {
    37  	f, err := os.Open(filename)
    38  	if err != nil {
    39  		return
    40  	}
    41  	defer f.Close()
    42  
    43  	scanner := bufio.NewScanner(f)
    44  	for scanner.Scan() {
    45  		fields := strings.Fields(scanner.Text())
    46  		if len(fields) <= 2 || fields[0][0] != '.' {
    47  			continue
    48  		}
    49  		if fields[1] == "-" || fields[2] == "-" {
    50  			continue
    51  		}
    52  		setExtensionType(fields[0], fields[1]+"/"+fields[2])
    53  	}
    54  	if err := scanner.Err(); err != nil {
    55  		panic(err)
    56  	}
    57  }
    58
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