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Add error handling to IndentWriter

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This commit is contained in:
Christian Muehlhaeuser
2019-12-02 15:24:07 +01:00
parent d0b616b12b
commit 8ecdd0e83c
1 changed files with 8 additions and 2 deletions
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indent.go
+8 -2
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@@ -16,11 +16,17 @@ type IndentWriter struct {
func (w *IndentWriter) Write(b []byte) (int, error) { func (w *IndentWriter) Write(b []byte) (int, error) {
for _, c := range string(b) { for _, c := range string(b) {
if !w.skipIndent { if !w.skipIndent {
w.Forward.Write([]byte(strings.Repeat(" ", int(w.Indent)))) _, err := w.Forward.Write([]byte(strings.Repeat(" ", int(w.Indent))))
if err != nil {
return 0, err
}
w.skipIndent = true w.skipIndent = true
} }
w.Forward.Write([]byte{byte(c)}) _, err := w.Forward.Write([]byte{byte(c)})
if err != nil {
return 0, err
}
if c == '\n' { if c == '\n' {
// end of current line // end of current line
w.skipIndent = false w.skipIndent = false