Matheus Sampaio Queiroga
8cf5fcbfc3
- Deleted old deb822_encode.go and deb822_types.go files. - Introduced new deb822_encode.go with improved Marshall function and Writer struct for encoding. - Added deb822_decode.go for decoding functionality with enhanced error handling. - Created deb822_rawdata.go to define RawData type for handling raw deb822 values. - Implemented Description type in deb822/datatype/description.go for structured description handling. - Updated Package struct in dpkg/header.go to use new Description type. - Refactored UnmarshalBinary method in dpkg/header.go to utilize new deb822 decoding logic. - Added comprehensive tests for encoding and decoding in deb822_encode_test.go and deb822_decode_test.go. - Removed internal scanner package as it was no longer needed. Signed-off-by: Matheus Sampaio Queiroga <srherobrine20@gmail.com>
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package deb822
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import (
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"errors"
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"iter"
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"strings"
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"unicode"
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)
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var (
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ErrInvalidDeb822 = errors.New("invalid deb822, check file if is valid or in deb822 style")
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ErrNextDeb822 = errors.New("current deb822 have multiples of deb822")
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)
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// Format value string to description
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func FromDescription(value string) (lines [2]string) {
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n2 := strings.SplitN(value, "\n", 2)
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if len(n2) >= 1 {
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lines[0] = n2[0]
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}
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if len(n2) >= 2 {
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lines[1] = n2[1]
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secLines := strings.Split(strings.TrimLeftFunc(lines[1], unicode.IsSpace), "\n")
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switch len(secLines) {
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case 0:
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case 1:
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secLines[0] = strings.TrimLeftFunc(secLines[0], unicode.IsSpace)
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default:
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cut := strings.IndexFunc(secLines[1], func(r rune) bool { return !unicode.IsSpace(r) })
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for i := range secLines {
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if i == 0 {
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continue
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}
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secLines[i] = secLines[i][cut:]
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if secLines[i] == "." {
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secLines[i] = ""
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}
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}
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}
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lines[1] = strings.Join(secLines, "\n")
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}
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return
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}
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func ToSlice(data string) iter.Seq[string] {
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return func(yield func(string) bool) {
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lines := strings.Split(strings.TrimSpace(data), "\n")
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var cut int
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if len(lines) > 1 {
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cut = max(0, strings.IndexFunc(lines[1], func(r rune) bool { return !unicode.IsSpace(r) }))
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}
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for i := range lines {
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if i != 0 && len(lines[i]) >= cut {
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lines[i] = lines[i][cut:]
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if lines[i] == "." {
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lines[i] = ""
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}
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}
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if !yield(lines[i]) {
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break
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}
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}
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}
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}
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