mirror of
https://github.com/Luzifer/mondash.git
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109 lines
2.5 KiB
Go
109 lines
2.5 KiB
Go
package util
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"go/format"
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"io"
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"reflect"
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"regexp"
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"strings"
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"github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil"
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)
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// GoFmt returns the Go formated string of the input.
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//
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// Panics if the format fails.
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func GoFmt(buf string) string {
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formatted, err := format.Source([]byte(buf))
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if err != nil {
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panic(fmt.Errorf("%s\nOriginal code:\n%s", err.Error(), buf))
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}
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return string(formatted)
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}
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var reTrim = regexp.MustCompile(`\s{2,}`)
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// Trim removes all leading and trailing white space.
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//
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// All consecutive spaces will be reduced to a single space.
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func Trim(s string) string {
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return strings.TrimSpace(reTrim.ReplaceAllString(s, " "))
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}
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// Capitalize capitalizes the first character of the string.
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func Capitalize(s string) string {
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if len(s) == 1 {
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return strings.ToUpper(s)
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}
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return strings.ToUpper(s[0:1]) + s[1:]
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}
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// SortXML sorts the reader's XML elements
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func SortXML(r io.Reader) string {
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var buf bytes.Buffer
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d := xml.NewDecoder(r)
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root, _ := xmlutil.XMLToStruct(d, nil)
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e := xml.NewEncoder(&buf)
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xmlutil.StructToXML(e, root, true)
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return buf.String()
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}
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// PrettyPrint generates a human readable representation of the value v.
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// All values of v are recursively found and pretty printed also.
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func PrettyPrint(v interface{}) string {
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value := reflect.ValueOf(v)
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switch value.Kind() {
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case reflect.Struct:
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str := fullName(value.Type()) + "{\n"
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for i := 0; i < value.NumField(); i++ {
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l := string(value.Type().Field(i).Name[0])
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if strings.ToUpper(l) == l {
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str += value.Type().Field(i).Name + ": "
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str += PrettyPrint(value.Field(i).Interface())
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str += ",\n"
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}
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}
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str += "}"
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return str
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case reflect.Map:
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str := "map[" + fullName(value.Type().Key()) + "]" + fullName(value.Type().Elem()) + "{\n"
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for _, k := range value.MapKeys() {
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str += "\"" + k.String() + "\": "
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str += PrettyPrint(value.MapIndex(k).Interface())
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str += ",\n"
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}
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str += "}"
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return str
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case reflect.Ptr:
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if e := value.Elem(); e.IsValid() {
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return "&" + PrettyPrint(e.Interface())
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}
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return "nil"
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case reflect.Slice:
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str := "[]" + fullName(value.Type().Elem()) + "{\n"
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for i := 0; i < value.Len(); i++ {
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str += PrettyPrint(value.Index(i).Interface())
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str += ",\n"
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}
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str += "}"
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return str
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default:
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return fmt.Sprintf("%#v", v)
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}
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}
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func pkgName(t reflect.Type) string {
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pkg := t.PkgPath()
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c := strings.Split(pkg, "/")
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return c[len(c)-1]
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}
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func fullName(t reflect.Type) string {
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if pkg := pkgName(t); pkg != "" {
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return pkg + "." + t.Name()
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}
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return t.Name()
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}
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