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add more documentation, examples with tests to illustrate reusable components

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Mechiel Lukkien
2023-12-12 15:47:26 +01:00
parent 810cbdc61d
commit d1b66035a9
40 changed files with 973 additions and 119 deletions
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10
message/writer.go
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@ -9,9 +9,9 @@ import (
type Writer struct {
writer io.Writer
HaveBody bool // Body is optional. ../rfc/5322:343
Has8bit bool // Whether a byte with the high/8bit has been read. So whether this is 8BITMIME instead of 7BIT.
Size int64
HaveBody bool // Body is optional in a message. ../rfc/5322:343
Has8bit bool // Whether a byte with the high/8bit has been read. So whether this needs SMTP 8BITMIME instead of 7BIT.
Size int64 // Number of bytes written, may be different from bytes read due to LF to CRLF conversion.
tail [3]byte // For detecting header/body-separating crlf.
// todo: should be parsing headers here, as we go
@ -22,7 +22,9 @@ func NewWriter(w io.Writer) *Writer {
return &Writer{writer: w, tail: [3]byte{0, '\r', '\n'}}
}
// Write implements io.Writer.
// Write implements io.Writer, and writes buf as message to the Writer's underlying
// io.Writer. It converts bare new lines (LF) to carriage returns with new lines
// (CRLF).
func (w *Writer) Write(buf []byte) (int, error) {
origtail := w.tail