github.com/zachgersh/packr@v1.11.1/packr.go (about)

     1  package packr
     2  
     3  import (
     4  	"bytes"
     5  	"compress/gzip"
     6  	"encoding/json"
     7  	"sync"
     8  )
     9  
    10  var gil = &sync.Mutex{}
    11  var data = map[string]map[string][]byte{}
    12  
    13  // PackBytes packs bytes for a file into a box.
    14  func PackBytes(box string, name string, bb []byte) {
    15  	gil.Lock()
    16  	defer gil.Unlock()
    17  	if _, ok := data[box]; !ok {
    18  		data[box] = map[string][]byte{}
    19  	}
    20  	data[box][name] = bb
    21  }
    22  
    23  // PackBytesGzip packets the gzipped compressed bytes into a box.
    24  func PackBytesGzip(box string, name string, bb []byte) error {
    25  	var buf bytes.Buffer
    26  	w := gzip.NewWriter(&buf)
    27  	_, err := w.Write(bb)
    28  	if err != nil {
    29  		return err
    30  	}
    31  	err = w.Close()
    32  	if err != nil {
    33  		return err
    34  	}
    35  	PackBytes(box, name, buf.Bytes())
    36  	return nil
    37  }
    38  
    39  // PackJSONBytes packs JSON encoded bytes for a file into a box.
    40  func PackJSONBytes(box string, name string, jbb string) error {
    41  	var bb []byte
    42  	err := json.Unmarshal([]byte(jbb), &bb)
    43  	if err != nil {
    44  		return err
    45  	}
    46  	PackBytes(box, name, bb)
    47  	return nil
    48  }