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types.go
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types.go
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package soap
import (
"encoding/base64"
"encoding/hex"
"errors"
"fmt"
"regexp"
"strconv"
"strings"
"time"
"unicode/utf8"
)
var (
// localLoc acts like time.Local for this package, but is faked out by the
// unit tests to ensure that things stay constant (especially when running
// this test in a place where local time is UTC which might mask bugs).
localLoc = time.Local
)
func MarshalUi1(v uint8) (string, error) {
return strconv.FormatUint(uint64(v), 10), nil
}
func UnmarshalUi1(s string) (uint8, error) {
v, err := strconv.ParseUint(s, 10, 8)
return uint8(v), err
}
func MarshalUi2(v uint16) (string, error) {
return strconv.FormatUint(uint64(v), 10), nil
}
func UnmarshalUi2(s string) (uint16, error) {
v, err := strconv.ParseUint(s, 10, 16)
return uint16(v), err
}
func MarshalUi4(v uint32) (string, error) {
return strconv.FormatUint(uint64(v), 10), nil
}
func UnmarshalUi4(s string) (uint32, error) {
v, err := strconv.ParseUint(s, 10, 32)
return uint32(v), err
}
func MarshalI1(v int8) (string, error) {
return strconv.FormatInt(int64(v), 10), nil
}
func UnmarshalI1(s string) (int8, error) {
v, err := strconv.ParseInt(s, 10, 8)
return int8(v), err
}
func MarshalI2(v int16) (string, error) {
return strconv.FormatInt(int64(v), 10), nil
}
func UnmarshalI2(s string) (int16, error) {
v, err := strconv.ParseInt(s, 10, 16)
return int16(v), err
}
func MarshalI4(v int32) (string, error) {
return strconv.FormatInt(int64(v), 10), nil
}
func UnmarshalI4(s string) (int32, error) {
v, err := strconv.ParseInt(s, 10, 32)
return int32(v), err
}
func MarshalInt(v int64) (string, error) {
return strconv.FormatInt(v, 10), nil
}
func UnmarshalInt(s string) (int64, error) {
return strconv.ParseInt(s, 10, 64)
}
func MarshalR4(v float32) (string, error) {
return strconv.FormatFloat(float64(v), 'G', -1, 32), nil
}
func UnmarshalR4(s string) (float32, error) {
v, err := strconv.ParseFloat(s, 32)
return float32(v), err
}
func MarshalR8(v float64) (string, error) {
return strconv.FormatFloat(v, 'G', -1, 64), nil
}
func UnmarshalR8(s string) (float64, error) {
v, err := strconv.ParseFloat(s, 64)
return float64(v), err
}
// MarshalFixed14_4 marshals float64 to SOAP "fixed.14.4" type.
func MarshalFixed14_4(v float64) (string, error) {
if v >= 1e14 || v <= -1e14 {
return "", fmt.Errorf("soap fixed14.4: value %v out of bounds", v)
}
return strconv.FormatFloat(v, 'f', 4, 64), nil
}
// UnmarshalFixed14_4 unmarshals float64 from SOAP "fixed.14.4" type.
func UnmarshalFixed14_4(s string) (float64, error) {
v, err := strconv.ParseFloat(s, 64)
if err != nil {
return 0, err
}
if v >= 1e14 || v <= -1e14 {
return 0, fmt.Errorf("soap fixed14.4: value %q out of bounds", s)
}
return v, nil
}
// MarshalChar marshals rune to SOAP "char" type.
func MarshalChar(v rune) (string, error) {
if v == 0 {
return "", errors.New("soap char: rune 0 is not allowed")
}
return string(v), nil
}
// UnmarshalChar unmarshals rune from SOAP "char" type.
func UnmarshalChar(s string) (rune, error) {
if len(s) == 0 {
return 0, errors.New("soap char: got empty string")
}
r, n := utf8.DecodeRune([]byte(s))
if n != len(s) {
return 0, fmt.Errorf("soap char: value %q is not a single rune", s)
}
return r, nil
}
func MarshalString(v string) (string, error) {
return v, nil
}
func UnmarshalString(v string) (string, error) {
return v, nil
}
func parseInt(s string, err *error) int {
v, parseErr := strconv.ParseInt(s, 10, 64)
if parseErr != nil {
*err = parseErr
}
return int(v)
}
var dateRegexps = []*regexp.Regexp{
// yyyy[-mm[-dd]]
regexp.MustCompile(`^(\d{4})(?:-(\d{2})(?:-(\d{2}))?)?$`),
// yyyy[mm[dd]]
regexp.MustCompile(`^(\d{4})(?:(\d{2})(?:(\d{2}))?)?$`),
}
func parseDateParts(s string) (year, month, day int, err error) {
var parts []string
for _, re := range dateRegexps {
parts = re.FindStringSubmatch(s)
if parts != nil {
break
}
}
if parts == nil {
err = fmt.Errorf("soap date: value %q is not in a recognized ISO8601 date format", s)
return
}
year = parseInt(parts[1], &err)
month = 1
day = 1
if len(parts[2]) != 0 {
month = parseInt(parts[2], &err)
if len(parts[3]) != 0 {
day = parseInt(parts[3], &err)
}
}
if err != nil {
err = fmt.Errorf("soap date: %q: %v", s, err)
}
return
}
var timeRegexps = []*regexp.Regexp{
// hh[:mm[:ss]]
regexp.MustCompile(`^(\d{2})(?::(\d{2})(?::(\d{2}))?)?$`),
// hh[mm[ss]]
regexp.MustCompile(`^(\d{2})(?:(\d{2})(?:(\d{2}))?)?$`),
}
func parseTimeParts(s string) (hour, minute, second int, err error) {
var parts []string
for _, re := range timeRegexps {
parts = re.FindStringSubmatch(s)
if parts != nil {
break
}
}
if parts == nil {
err = fmt.Errorf("soap time: value %q is not in ISO8601 time format", s)
return
}
hour = parseInt(parts[1], &err)
if len(parts[2]) != 0 {
minute = parseInt(parts[2], &err)
if len(parts[3]) != 0 {
second = parseInt(parts[3], &err)
}
}
if err != nil {
err = fmt.Errorf("soap time: %q: %v", s, err)
}
return
}
// (+|-)hh[[:]mm]
var timezoneRegexp = regexp.MustCompile(`^([+-])(\d{2})(?::?(\d{2}))?$`)
func parseTimezone(s string) (offset int, err error) {
if s == "Z" {
return 0, nil
}
parts := timezoneRegexp.FindStringSubmatch(s)
if parts == nil {
err = fmt.Errorf("soap timezone: value %q is not in ISO8601 timezone format", s)
return
}
offset = parseInt(parts[2], &err) * 3600
if len(parts[3]) != 0 {
offset += parseInt(parts[3], &err) * 60
}
if parts[1] == "-" {
offset = -offset
}
if err != nil {
err = fmt.Errorf("soap timezone: %q: %v", s, err)
}
return
}
var completeDateTimeZoneRegexp = regexp.MustCompile(`^([^T]+)(?:T([^-+Z]+)(.+)?)?$`)
// splitCompleteDateTimeZone splits date, time and timezone apart from an
// ISO8601 string. It does not ensure that the contents of each part are
// correct, it merely splits on certain delimiters.
// e.g "2010-09-08T12:15:10+0700" => "2010-09-08", "12:15:10", "+0700".
// Timezone can only be present if time is also present.
func splitCompleteDateTimeZone(s string) (dateStr, timeStr, zoneStr string, err error) {
parts := completeDateTimeZoneRegexp.FindStringSubmatch(s)
if parts == nil {
err = fmt.Errorf("soap date/time/zone: value %q is not in ISO8601 datetime format", s)
return
}
dateStr = parts[1]
timeStr = parts[2]
zoneStr = parts[3]
return
}
// MarshalDate marshals time.Time to SOAP "date" type. Note that this converts
// to local time, and discards the time-of-day components.
func MarshalDate(v time.Time) (string, error) {
return v.In(localLoc).Format("2006-01-02"), nil
}
var dateFmts = []string{"2006-01-02", "20060102"}
// UnmarshalDate unmarshals time.Time from SOAP "date" type. This outputs the
// date as midnight in the local time zone.
func UnmarshalDate(s string) (time.Time, error) {
year, month, day, err := parseDateParts(s)
if err != nil {
return time.Time{}, err
}
return time.Date(year, time.Month(month), day, 0, 0, 0, 0, localLoc), nil
}
// TimeOfDay is used in cases where SOAP "time" or "time.tz" is used.
type TimeOfDay struct {
// Duration of time since midnight.
FromMidnight time.Duration
// Set to true if Offset is specified. If false, then the timezone is
// unspecified (and by ISO8601 - implies some "local" time).
HasOffset bool
// Offset is non-zero only if time.tz is used. It is otherwise ignored. If
// non-zero, then it is regarded as a UTC offset in seconds. Note that the
// sub-minutes is ignored by the marshal function.
Offset int
}
// MarshalTimeOfDay marshals TimeOfDay to the "time" type.
func MarshalTimeOfDay(v TimeOfDay) (string, error) {
d := int64(v.FromMidnight / time.Second)
hour := d / 3600
d = d % 3600
minute := d / 60
second := d % 60
return fmt.Sprintf("%02d:%02d:%02d", hour, minute, second), nil
}
// UnmarshalTimeOfDay unmarshals TimeOfDay from the "time" type.
func UnmarshalTimeOfDay(s string) (TimeOfDay, error) {
t, err := UnmarshalTimeOfDayTz(s)
if err != nil {
return TimeOfDay{}, err
} else if t.HasOffset {
return TimeOfDay{}, fmt.Errorf("soap time: value %q contains unexpected timezone")
}
return t, nil
}
// MarshalTimeOfDayTz marshals TimeOfDay to the "time.tz" type.
func MarshalTimeOfDayTz(v TimeOfDay) (string, error) {
d := int64(v.FromMidnight / time.Second)
hour := d / 3600
d = d % 3600
minute := d / 60
second := d % 60
tz := ""
if v.HasOffset {
if v.Offset == 0 {
tz = "Z"
} else {
offsetMins := v.Offset / 60
sign := '+'
if offsetMins < 1 {
offsetMins = -offsetMins
sign = '-'
}
tz = fmt.Sprintf("%c%02d:%02d", sign, offsetMins/60, offsetMins%60)
}
}
return fmt.Sprintf("%02d:%02d:%02d%s", hour, minute, second, tz), nil
}
// UnmarshalTimeOfDayTz unmarshals TimeOfDay from the "time.tz" type.
func UnmarshalTimeOfDayTz(s string) (tod TimeOfDay, err error) {
zoneIndex := strings.IndexAny(s, "Z+-")
var timePart string
var hasOffset bool
var offset int
if zoneIndex == -1 {
hasOffset = false
timePart = s
} else {
hasOffset = true
timePart = s[:zoneIndex]
if offset, err = parseTimezone(s[zoneIndex:]); err != nil {
return
}
}
hour, minute, second, err := parseTimeParts(timePart)
if err != nil {
return
}
fromMidnight := time.Duration(hour*3600+minute*60+second) * time.Second
// ISO8601 special case - values up to 24:00:00 are allowed, so using
// strictly greater-than for the maximum value.
if fromMidnight > 24*time.Hour || minute >= 60 || second >= 60 {
return TimeOfDay{}, fmt.Errorf("soap time.tz: value %q has value(s) out of range", s)
}
return TimeOfDay{
FromMidnight: time.Duration(hour*3600+minute*60+second) * time.Second,
HasOffset: hasOffset,
Offset: offset,
}, nil
}
// MarshalDateTime marshals time.Time to SOAP "dateTime" type. Note that this
// converts to local time.
func MarshalDateTime(v time.Time) (string, error) {
return v.In(localLoc).Format("2006-01-02T15:04:05"), nil
}
// UnmarshalDateTime unmarshals time.Time from the SOAP "dateTime" type. This
// returns a value in the local timezone.
func UnmarshalDateTime(s string) (result time.Time, err error) {
dateStr, timeStr, zoneStr, err := splitCompleteDateTimeZone(s)
if err != nil {
return
}
if len(zoneStr) != 0 {
err = fmt.Errorf("soap datetime: unexpected timezone in %q", s)
return
}
year, month, day, err := parseDateParts(dateStr)
if err != nil {
return
}
var hour, minute, second int
if len(timeStr) != 0 {
hour, minute, second, err = parseTimeParts(timeStr)
if err != nil {
return
}
}
result = time.Date(year, time.Month(month), day, hour, minute, second, 0, localLoc)
return
}
// MarshalDateTimeTz marshals time.Time to SOAP "dateTime.tz" type.
func MarshalDateTimeTz(v time.Time) (string, error) {
return v.Format("2006-01-02T15:04:05-07:00"), nil
}
// UnmarshalDateTimeTz unmarshals time.Time from the SOAP "dateTime.tz" type.
// This returns a value in the local timezone when the timezone is unspecified.
func UnmarshalDateTimeTz(s string) (result time.Time, err error) {
dateStr, timeStr, zoneStr, err := splitCompleteDateTimeZone(s)
if err != nil {
return
}
year, month, day, err := parseDateParts(dateStr)
if err != nil {
return
}
var hour, minute, second int
var location *time.Location = localLoc
if len(timeStr) != 0 {
hour, minute, second, err = parseTimeParts(timeStr)
if err != nil {
return
}
if len(zoneStr) != 0 {
var offset int
offset, err = parseTimezone(zoneStr)
if offset == 0 {
location = time.UTC
} else {
location = time.FixedZone("", offset)
}
}
}
result = time.Date(year, time.Month(month), day, hour, minute, second, 0, location)
return
}
// MarshalBoolean marshals bool to SOAP "boolean" type.
func MarshalBoolean(v bool) (string, error) {
if v {
return "1", nil
}
return "0", nil
}
// UnmarshalBoolean unmarshals bool from the SOAP "boolean" type.
func UnmarshalBoolean(s string) (bool, error) {
switch s {
case "0", "false", "no":
return false, nil
case "1", "true", "yes":
return true, nil
}
return false, fmt.Errorf("soap boolean: %q is not a valid boolean value", s)
}
// MarshalBinBase64 marshals []byte to SOAP "bin.base64" type.
func MarshalBinBase64(v []byte) (string, error) {
return base64.StdEncoding.EncodeToString(v), nil
}
// UnmarshalBinBase64 unmarshals []byte from the SOAP "bin.base64" type.
func UnmarshalBinBase64(s string) ([]byte, error) {
return base64.StdEncoding.DecodeString(s)
}
// MarshalBinHex marshals []byte to SOAP "bin.hex" type.
func MarshalBinHex(v []byte) (string, error) {
return hex.EncodeToString(v), nil
}
// UnmarshalBinHex unmarshals []byte from the SOAP "bin.hex" type.
func UnmarshalBinHex(s string) ([]byte, error) {
return hex.DecodeString(s)
}