aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/go-ini/ini/struct.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/go-ini/ini/struct.go')
-rw-r--r--vendor/github.com/go-ini/ini/struct.go512
1 files changed, 0 insertions, 512 deletions
diff --git a/vendor/github.com/go-ini/ini/struct.go b/vendor/github.com/go-ini/ini/struct.go
deleted file mode 100644
index 9719dc6..0000000
--- a/vendor/github.com/go-ini/ini/struct.go
+++ /dev/null
@@ -1,512 +0,0 @@
-// Copyright 2014 Unknwon
-//
-// Licensed under the Apache License, Version 2.0 (the "License"): you may
-// not use this file except in compliance with the License. You may obtain
-// a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-// License for the specific language governing permissions and limitations
-// under the License.
-
-package ini
-
-import (
- "bytes"
- "errors"
- "fmt"
- "reflect"
- "strings"
- "time"
- "unicode"
-)
-
-// NameMapper represents a ini tag name mapper.
-type NameMapper func(string) string
-
-// Built-in name getters.
-var (
- // AllCapsUnderscore converts to format ALL_CAPS_UNDERSCORE.
- AllCapsUnderscore NameMapper = func(raw string) string {
- newstr := make([]rune, 0, len(raw))
- for i, chr := range raw {
- if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
- if i > 0 {
- newstr = append(newstr, '_')
- }
- }
- newstr = append(newstr, unicode.ToUpper(chr))
- }
- return string(newstr)
- }
- // TitleUnderscore converts to format title_underscore.
- TitleUnderscore NameMapper = func(raw string) string {
- newstr := make([]rune, 0, len(raw))
- for i, chr := range raw {
- if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
- if i > 0 {
- newstr = append(newstr, '_')
- }
- chr -= ('A' - 'a')
- }
- newstr = append(newstr, chr)
- }
- return string(newstr)
- }
-)
-
-func (s *Section) parseFieldName(raw, actual string) string {
- if len(actual) > 0 {
- return actual
- }
- if s.f.NameMapper != nil {
- return s.f.NameMapper(raw)
- }
- return raw
-}
-
-func parseDelim(actual string) string {
- if len(actual) > 0 {
- return actual
- }
- return ","
-}
-
-var reflectTime = reflect.TypeOf(time.Now()).Kind()
-
-// setSliceWithProperType sets proper values to slice based on its type.
-func setSliceWithProperType(key *Key, field reflect.Value, delim string, allowShadow, isStrict bool) error {
- var strs []string
- if allowShadow {
- strs = key.StringsWithShadows(delim)
- } else {
- strs = key.Strings(delim)
- }
-
- numVals := len(strs)
- if numVals == 0 {
- return nil
- }
-
- var vals interface{}
- var err error
-
- sliceOf := field.Type().Elem().Kind()
- switch sliceOf {
- case reflect.String:
- vals = strs
- case reflect.Int:
- vals, err = key.parseInts(strs, true, false)
- case reflect.Int64:
- vals, err = key.parseInt64s(strs, true, false)
- case reflect.Uint:
- vals, err = key.parseUints(strs, true, false)
- case reflect.Uint64:
- vals, err = key.parseUint64s(strs, true, false)
- case reflect.Float64:
- vals, err = key.parseFloat64s(strs, true, false)
- case reflectTime:
- vals, err = key.parseTimesFormat(time.RFC3339, strs, true, false)
- default:
- return fmt.Errorf("unsupported type '[]%s'", sliceOf)
- }
- if err != nil && isStrict {
- return err
- }
-
- slice := reflect.MakeSlice(field.Type(), numVals, numVals)
- for i := 0; i < numVals; i++ {
- switch sliceOf {
- case reflect.String:
- slice.Index(i).Set(reflect.ValueOf(vals.([]string)[i]))
- case reflect.Int:
- slice.Index(i).Set(reflect.ValueOf(vals.([]int)[i]))
- case reflect.Int64:
- slice.Index(i).Set(reflect.ValueOf(vals.([]int64)[i]))
- case reflect.Uint:
- slice.Index(i).Set(reflect.ValueOf(vals.([]uint)[i]))
- case reflect.Uint64:
- slice.Index(i).Set(reflect.ValueOf(vals.([]uint64)[i]))
- case reflect.Float64:
- slice.Index(i).Set(reflect.ValueOf(vals.([]float64)[i]))
- case reflectTime:
- slice.Index(i).Set(reflect.ValueOf(vals.([]time.Time)[i]))
- }
- }
- field.Set(slice)
- return nil
-}
-
-func wrapStrictError(err error, isStrict bool) error {
- if isStrict {
- return err
- }
- return nil
-}
-
-// setWithProperType sets proper value to field based on its type,
-// but it does not return error for failing parsing,
-// because we want to use default value that is already assigned to strcut.
-func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string, allowShadow, isStrict bool) error {
- switch t.Kind() {
- case reflect.String:
- if len(key.String()) == 0 {
- return nil
- }
- field.SetString(key.String())
- case reflect.Bool:
- boolVal, err := key.Bool()
- if err != nil {
- return wrapStrictError(err, isStrict)
- }
- field.SetBool(boolVal)
- case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- durationVal, err := key.Duration()
- // Skip zero value
- if err == nil && int64(durationVal) > 0 {
- field.Set(reflect.ValueOf(durationVal))
- return nil
- }
-
- intVal, err := key.Int64()
- if err != nil {
- return wrapStrictError(err, isStrict)
- }
- field.SetInt(intVal)
- // byte is an alias for uint8, so supporting uint8 breaks support for byte
- case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
- durationVal, err := key.Duration()
- // Skip zero value
- if err == nil && int(durationVal) > 0 {
- field.Set(reflect.ValueOf(durationVal))
- return nil
- }
-
- uintVal, err := key.Uint64()
- if err != nil {
- return wrapStrictError(err, isStrict)
- }
- field.SetUint(uintVal)
-
- case reflect.Float32, reflect.Float64:
- floatVal, err := key.Float64()
- if err != nil {
- return wrapStrictError(err, isStrict)
- }
- field.SetFloat(floatVal)
- case reflectTime:
- timeVal, err := key.Time()
- if err != nil {
- return wrapStrictError(err, isStrict)
- }
- field.Set(reflect.ValueOf(timeVal))
- case reflect.Slice:
- return setSliceWithProperType(key, field, delim, allowShadow, isStrict)
- default:
- return fmt.Errorf("unsupported type '%s'", t)
- }
- return nil
-}
-
-func parseTagOptions(tag string) (rawName string, omitEmpty bool, allowShadow bool) {
- opts := strings.SplitN(tag, ",", 3)
- rawName = opts[0]
- if len(opts) > 1 {
- omitEmpty = opts[1] == "omitempty"
- }
- if len(opts) > 2 {
- allowShadow = opts[2] == "allowshadow"
- }
- return rawName, omitEmpty, allowShadow
-}
-
-func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
- if val.Kind() == reflect.Ptr {
- val = val.Elem()
- }
- typ := val.Type()
-
- for i := 0; i < typ.NumField(); i++ {
- field := val.Field(i)
- tpField := typ.Field(i)
-
- tag := tpField.Tag.Get("ini")
- if tag == "-" {
- continue
- }
-
- rawName, _, allowShadow := parseTagOptions(tag)
- fieldName := s.parseFieldName(tpField.Name, rawName)
- if len(fieldName) == 0 || !field.CanSet() {
- continue
- }
-
- isAnonymous := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
- isStruct := tpField.Type.Kind() == reflect.Struct
- if isAnonymous {
- field.Set(reflect.New(tpField.Type.Elem()))
- }
-
- if isAnonymous || isStruct {
- if sec, err := s.f.GetSection(fieldName); err == nil {
- if err = sec.mapTo(field, isStrict); err != nil {
- return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
- }
- continue
- }
- }
-
- if key, err := s.GetKey(fieldName); err == nil {
- delim := parseDelim(tpField.Tag.Get("delim"))
- if err = setWithProperType(tpField.Type, key, field, delim, allowShadow, isStrict); err != nil {
- return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
- }
- }
- }
- return nil
-}
-
-// MapTo maps section to given struct.
-func (s *Section) MapTo(v interface{}) error {
- typ := reflect.TypeOf(v)
- val := reflect.ValueOf(v)
- if typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- val = val.Elem()
- } else {
- return errors.New("cannot map to non-pointer struct")
- }
-
- return s.mapTo(val, false)
-}
-
-// MapTo maps section to given struct in strict mode,
-// which returns all possible error including value parsing error.
-func (s *Section) StrictMapTo(v interface{}) error {
- typ := reflect.TypeOf(v)
- val := reflect.ValueOf(v)
- if typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- val = val.Elem()
- } else {
- return errors.New("cannot map to non-pointer struct")
- }
-
- return s.mapTo(val, true)
-}
-
-// MapTo maps file to given struct.
-func (f *File) MapTo(v interface{}) error {
- return f.Section("").MapTo(v)
-}
-
-// MapTo maps file to given struct in strict mode,
-// which returns all possible error including value parsing error.
-func (f *File) StrictMapTo(v interface{}) error {
- return f.Section("").StrictMapTo(v)
-}
-
-// MapTo maps data sources to given struct with name mapper.
-func MapToWithMapper(v interface{}, mapper NameMapper, source interface{}, others ...interface{}) error {
- cfg, err := Load(source, others...)
- if err != nil {
- return err
- }
- cfg.NameMapper = mapper
- return cfg.MapTo(v)
-}
-
-// StrictMapToWithMapper maps data sources to given struct with name mapper in strict mode,
-// which returns all possible error including value parsing error.
-func StrictMapToWithMapper(v interface{}, mapper NameMapper, source interface{}, others ...interface{}) error {
- cfg, err := Load(source, others...)
- if err != nil {
- return err
- }
- cfg.NameMapper = mapper
- return cfg.StrictMapTo(v)
-}
-
-// MapTo maps data sources to given struct.
-func MapTo(v, source interface{}, others ...interface{}) error {
- return MapToWithMapper(v, nil, source, others...)
-}
-
-// StrictMapTo maps data sources to given struct in strict mode,
-// which returns all possible error including value parsing error.
-func StrictMapTo(v, source interface{}, others ...interface{}) error {
- return StrictMapToWithMapper(v, nil, source, others...)
-}
-
-// reflectSliceWithProperType does the opposite thing as setSliceWithProperType.
-func reflectSliceWithProperType(key *Key, field reflect.Value, delim string) error {
- slice := field.Slice(0, field.Len())
- if field.Len() == 0 {
- return nil
- }
-
- var buf bytes.Buffer
- sliceOf := field.Type().Elem().Kind()
- for i := 0; i < field.Len(); i++ {
- switch sliceOf {
- case reflect.String:
- buf.WriteString(slice.Index(i).String())
- case reflect.Int, reflect.Int64:
- buf.WriteString(fmt.Sprint(slice.Index(i).Int()))
- case reflect.Uint, reflect.Uint64:
- buf.WriteString(fmt.Sprint(slice.Index(i).Uint()))
- case reflect.Float64:
- buf.WriteString(fmt.Sprint(slice.Index(i).Float()))
- case reflectTime:
- buf.WriteString(slice.Index(i).Interface().(time.Time).Format(time.RFC3339))
- default:
- return fmt.Errorf("unsupported type '[]%s'", sliceOf)
- }
- buf.WriteString(delim)
- }
- key.SetValue(buf.String()[:buf.Len()-1])
- return nil
-}
-
-// reflectWithProperType does the opposite thing as setWithProperType.
-func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
- switch t.Kind() {
- case reflect.String:
- key.SetValue(field.String())
- case reflect.Bool:
- key.SetValue(fmt.Sprint(field.Bool()))
- case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- key.SetValue(fmt.Sprint(field.Int()))
- case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
- key.SetValue(fmt.Sprint(field.Uint()))
- case reflect.Float32, reflect.Float64:
- key.SetValue(fmt.Sprint(field.Float()))
- case reflectTime:
- key.SetValue(fmt.Sprint(field.Interface().(time.Time).Format(time.RFC3339)))
- case reflect.Slice:
- return reflectSliceWithProperType(key, field, delim)
- default:
- return fmt.Errorf("unsupported type '%s'", t)
- }
- return nil
-}
-
-// CR: copied from encoding/json/encode.go with modifications of time.Time support.
-// TODO: add more test coverage.
-func isEmptyValue(v reflect.Value) bool {
- switch v.Kind() {
- case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
- return v.Len() == 0
- case reflect.Bool:
- return !v.Bool()
- case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- return v.Int() == 0
- case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
- return v.Uint() == 0
- case reflect.Float32, reflect.Float64:
- return v.Float() == 0
- case reflect.Interface, reflect.Ptr:
- return v.IsNil()
- case reflectTime:
- t, ok := v.Interface().(time.Time)
- return ok && t.IsZero()
- }
- return false
-}
-
-func (s *Section) reflectFrom(val reflect.Value) error {
- if val.Kind() == reflect.Ptr {
- val = val.Elem()
- }
- typ := val.Type()
-
- for i := 0; i < typ.NumField(); i++ {
- field := val.Field(i)
- tpField := typ.Field(i)
-
- tag := tpField.Tag.Get("ini")
- if tag == "-" {
- continue
- }
-
- opts := strings.SplitN(tag, ",", 2)
- if len(opts) == 2 && opts[1] == "omitempty" && isEmptyValue(field) {
- continue
- }
-
- fieldName := s.parseFieldName(tpField.Name, opts[0])
- if len(fieldName) == 0 || !field.CanSet() {
- continue
- }
-
- if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
- (tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
- // Note: The only error here is section doesn't exist.
- sec, err := s.f.GetSection(fieldName)
- if err != nil {
- // Note: fieldName can never be empty here, ignore error.
- sec, _ = s.f.NewSection(fieldName)
- }
-
- // Add comment from comment tag
- if len(sec.Comment) == 0 {
- sec.Comment = tpField.Tag.Get("comment")
- }
-
- if err = sec.reflectFrom(field); err != nil {
- return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
- }
- continue
- }
-
- // Note: Same reason as secion.
- key, err := s.GetKey(fieldName)
- if err != nil {
- key, _ = s.NewKey(fieldName, "")
- }
-
- // Add comment from comment tag
- if len(key.Comment) == 0 {
- key.Comment = tpField.Tag.Get("comment")
- }
-
- if err = reflectWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim"))); err != nil {
- return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
- }
-
- }
- return nil
-}
-
-// ReflectFrom reflects secion from given struct.
-func (s *Section) ReflectFrom(v interface{}) error {
- typ := reflect.TypeOf(v)
- val := reflect.ValueOf(v)
- if typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- val = val.Elem()
- } else {
- return errors.New("cannot reflect from non-pointer struct")
- }
-
- return s.reflectFrom(val)
-}
-
-// ReflectFrom reflects file from given struct.
-func (f *File) ReflectFrom(v interface{}) error {
- return f.Section("").ReflectFrom(v)
-}
-
-// ReflectFrom reflects data sources from given struct with name mapper.
-func ReflectFromWithMapper(cfg *File, v interface{}, mapper NameMapper) error {
- cfg.NameMapper = mapper
- return cfg.ReflectFrom(v)
-}
-
-// ReflectFrom reflects data sources from given struct.
-func ReflectFrom(cfg *File, v interface{}) error {
- return ReflectFromWithMapper(cfg, v, nil)
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 13:10:21 +0000