diff options
Diffstat (limited to 'dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/apidiff/report.go')
-rw-r--r-- | dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/apidiff/report.go | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/apidiff/report.go b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/apidiff/report.go new file mode 100644 index 0000000..ce79e27 --- /dev/null +++ b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/apidiff/report.go @@ -0,0 +1,71 @@ +package apidiff + +import ( + "bytes" + "fmt" + "io" +) + +// Report describes the changes detected by Changes. +type Report struct { + Changes []Change +} + +// A Change describes a single API change. +type Change struct { + Message string + Compatible bool +} + +func (r Report) messages(compatible bool) []string { + var msgs []string + for _, c := range r.Changes { + if c.Compatible == compatible { + msgs = append(msgs, c.Message) + } + } + return msgs +} + +func (r Report) String() string { + var buf bytes.Buffer + if err := r.Text(&buf); err != nil { + return fmt.Sprintf("!!%v", err) + } + return buf.String() +} + +func (r Report) Text(w io.Writer) error { + if err := r.TextIncompatible(w, true); err != nil { + return err + } + return r.TextCompatible(w) +} + +func (r Report) TextIncompatible(w io.Writer, withHeader bool) error { + if withHeader { + return r.writeMessages(w, "Incompatible changes:", r.messages(false)) + } + return r.writeMessages(w, "", r.messages(false)) +} + +func (r Report) TextCompatible(w io.Writer) error { + return r.writeMessages(w, "Compatible changes:", r.messages(true)) +} + +func (r Report) writeMessages(w io.Writer, header string, msgs []string) error { + if len(msgs) == 0 { + return nil + } + if header != "" { + if _, err := fmt.Fprintf(w, "%s\n", header); err != nil { + return err + } + } + for _, m := range msgs { + if _, err := fmt.Fprintf(w, "- %s\n", m); err != nil { + return err + } + } + return nil +} |