func line(w io.Writer, start string, key, v2 types.Value) {
var err error
pw := prefixWriter{w: w, prefix: []byte(start)}
_, err = w.Write([]byte(start))
d.Exp.NoError(err)
if key != nil {
d.Exp.NoError(types.WriteEncodedValue(pw, key))
_, err = w.Write([]byte(": "))
d.Exp.NoError(err)
}
d.Exp.NoError(types.WriteEncodedValue(pw, v2))
_, err = w.Write([]byte("\n"))
d.Exp.NoError(err)
}
func writeEncodedValue(w io.Writer, v types.Value) error {
if v.Type().Kind() != types.BlobKind {
return types.WriteEncodedValue(w, v)
}
write(w, []byte("Blob ("))
write(w, []byte(humanize.Bytes(v.(types.Blob).Len())))
return write(w, []byte(")"))
}
func writeEncodedValue(w io.Writer, v types.Value) {
if v.Type().Kind() == types.BlobKind {
w.Write([]byte("Blob ("))
w.Write([]byte(humanize.Bytes(v.(types.Blob).Len())))
w.Write([]byte(")"))
} else {
d.PanicIfError(types.WriteEncodedValue(w, v))
}
}
func writeMetaLines(node LogNode, maxLines, lineno, maxLabelLen int, w io.Writer) (int, error) {
if m, ok := node.commit.MaybeGet(datas.MetaField); ok {
meta := m.(types.Struct)
mlw := &maxLineWriter{numLines: lineno, maxLines: maxLines, node: node, dest: w, needsPrefix: true, showGraph: showGraph}
err := d.Try(func() {
meta.Type().Desc.(types.StructDesc).IterFields(func(fieldName string, t *types.Type) {
v := meta.Get(fieldName)
fmt.Fprintf(mlw, "%-*s", maxLabelLen+2, strings.Title(fieldName)+":")
types.WriteEncodedValue(mlw, v)
fmt.Fprintf(mlw, "\n")
})
})
return mlw.numLines, err
}
return lineno, nil
}