initial commits
parent
b379ea9fdb
commit
55b7fa9ffa
30
readeol.go
30
readeol.go
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@ -2,6 +2,8 @@ package eol
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import (
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import (
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"io"
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"io"
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"sourcecode.social/reiver/go-opt"
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)
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)
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// ReadEOL tries to read and end-of-line character.
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// ReadEOL tries to read and end-of-line character.
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@ -27,8 +29,11 @@ func ReadEOL(runescanner io.RuneScanner) (endofline string, size int, err error)
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r0, size0, err = runescanner.ReadRune()
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r0, size0, err = runescanner.ReadRune()
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if nil != err {
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if nil != err {
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const runeNumber = 1
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const characterNumber uint64 = 1
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return "", size0, errProblemReadingRune(err, runeNumber)
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var eolSequence opt.Optional[string] // = opt.Nothing[string]() // i.e., unknown
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var circumstance internalCircumstance = specifyCircumstance(eolSequence, characterNumber)
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return "", size0, errProblemReadingRune(circumstance, err)
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}
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}
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}
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}
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@ -44,8 +49,11 @@ func ReadEOL(runescanner io.RuneScanner) (endofline string, size int, err error)
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default:
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default:
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err := runescanner.UnreadRune()
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err := runescanner.UnreadRune()
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if nil != err {
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if nil != err {
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const runeNumber = 1
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const characterNumber uint64 = 1
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return "", size0, errProblemUnreadingRune(err, runeNumber, r0)
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var eolSequence opt.Optional[string] // = opt.Nothing[string]() // i.e., unknown
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var circumstance internalCircumstance = specifyCircumstance(eolSequence, characterNumber)
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return "", size0, errProblemUnreadingRune(circumstance, err, r0)
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}
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}
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return "", 0, errNotEOL(r0)
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return "", 0, errNotEOL(r0)
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@ -63,8 +71,11 @@ func ReadEOL(runescanner io.RuneScanner) (endofline string, size int, err error)
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return CR, size0, nil
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return CR, size0, nil
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}
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}
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if nil != err {
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if nil != err {
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const runeNumber = 2
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const characterNumber uint64 = 2
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return "", size1+size0, errProblemReadingRune(err, runeNumber)
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var eolSequence opt.Optional[string] // = opt.Nothing[string]() // i.e., unknown
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var circumstance internalCircumstance = specifyCircumstance(eolSequence, characterNumber)
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return "", size1+size0, errProblemReadingRune(circumstance, err)
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}
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}
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}
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}
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@ -74,8 +85,11 @@ func ReadEOL(runescanner io.RuneScanner) (endofline string, size int, err error)
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default:
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default:
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err := runescanner.UnreadRune()
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err := runescanner.UnreadRune()
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if nil != err {
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if nil != err {
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const runeNumber = 2
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const characterNumber uint64 = 2
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return "", size1+size0, errProblemUnreadingRune(err, runeNumber, r1)
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var eolSequence opt.Optional[string] // = opt.Nothing[string]() // i.e., unknown
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var circumstance internalCircumstance = specifyCircumstance(eolSequence, characterNumber)
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return "", size1+size0, errProblemUnreadingRune(circumstance, err, r1)
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}
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}
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return CR, size0, nil
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return CR, size0, nil
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