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package git
import (
"bytes"
"io"
"strings"
"gopkg.in/src-d/go-git.v3/core"
)
// File represents git file objects.
type File struct {
Name string
io.Reader
Hash core.Hash
}
// Contents returns the contents of a file as a string.
func (f *File) Contents() string {
buf := new(bytes.Buffer)
buf.ReadFrom(f)
return buf.String()
}
// Lines returns a slice of lines from the contents of a file, stripping
// all end of line characters. If the last line is empty (does not end
// in an end of line), it is also stripped.
func (f *File) Lines() []string {
splits := strings.Split(f.Contents(), "\n")
// remove the last line if it is empty
if splits[len(splits)-1] == "" {
return splits[:len(splits)-1]
}
return splits
}
type FileIter struct {
w TreeWalker
}
func NewFileIter(r *Repository, t *Tree) *FileIter {
return &FileIter{w: *NewTreeWalker(r, t)}
}
func (iter *FileIter) Next() (*File, error) {
for {
name, entry, obj, err := iter.w.Next()
if err != nil {
return nil, err
}
if obj.Type() != core.BlobObject {
// Skip non-blob objects
continue
}
blob := &Blob{}
blob.Decode(obj)
return &File{Name: name, Reader: blob.Reader(), Hash: entry.Hash}, nil
}
}
func (iter *FileIter) Close() {
iter.w.Close()
}
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