mirror of
https://github.com/superseriousbusiness/gotosocial.git
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110 lines
2 KiB
Go
110 lines
2 KiB
Go
package jpegstructure
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import (
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"bytes"
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"fmt"
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"sort"
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"strings"
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"github.com/dsoprea/go-logging"
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"github.com/go-xmlfmt/xmlfmt"
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)
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// DumpBytes prints the hex for a given byte-slice.
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func DumpBytes(data []byte) {
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fmt.Printf("DUMP: ")
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for _, x := range data {
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fmt.Printf("%02x ", x)
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}
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fmt.Printf("\n")
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}
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// DumpBytesClause prints a Go-formatted byte-slice expression.
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func DumpBytesClause(data []byte) {
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fmt.Printf("DUMP: ")
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fmt.Printf("[]byte { ")
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for i, x := range data {
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fmt.Printf("0x%02x", x)
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if i < len(data)-1 {
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fmt.Printf(", ")
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}
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}
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fmt.Printf(" }\n")
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}
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// DumpBytesToString returns a string of hex-encoded bytes.
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func DumpBytesToString(data []byte) string {
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b := new(bytes.Buffer)
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for i, x := range data {
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_, err := b.WriteString(fmt.Sprintf("%02x", x))
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log.PanicIf(err)
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if i < len(data)-1 {
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_, err := b.WriteRune(' ')
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log.PanicIf(err)
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}
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}
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return b.String()
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}
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// DumpBytesClauseToString returns a string of Go-formatted byte values.
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func DumpBytesClauseToString(data []byte) string {
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b := new(bytes.Buffer)
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for i, x := range data {
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_, err := b.WriteString(fmt.Sprintf("0x%02x", x))
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log.PanicIf(err)
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if i < len(data)-1 {
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_, err := b.WriteString(", ")
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log.PanicIf(err)
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}
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}
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return b.String()
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}
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// FormatXml prettifies XML data.
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func FormatXml(raw string) (formatted string, err error) {
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defer func() {
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if state := recover(); state != nil {
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err = log.Wrap(state.(error))
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}
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}()
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formatted = xmlfmt.FormatXML(raw, " ", " ")
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formatted = strings.TrimSpace(formatted)
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return formatted, nil
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}
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// SortStringStringMap sorts a string-string dictionary and returns it as a list
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// of 2-tuples.
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func SortStringStringMap(data map[string]string) (sorted [][2]string) {
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// Sort keys.
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sortedKeys := make([]string, len(data))
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i := 0
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for key := range data {
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sortedKeys[i] = key
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i++
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}
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sort.Strings(sortedKeys)
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// Build result.
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sorted = make([][2]string, len(sortedKeys))
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for i, key := range sortedKeys {
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sorted[i] = [2]string{key, data[key]}
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}
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return sorted
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}
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