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validator
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add caching of field only tags, now less time, memory and only 2 allocations vs 9

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pull/59/head
joeybloggs 9 years ago
parent 22d031deb0
commit e4f2ff67bd
1 changed files with 65 additions and 32 deletions
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  1. 97
      validator.go

97
validator.go
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@ -306,7 +306,7 @@ func (v *Validate) structRecursive(top interface{}, current interface{}, s inter
cField.isTime = true
if fieldError := v.fieldWithNameAndValue(top, current, valueField.Interface(), cField.tag, cField.name, cField); fieldError != nil {
if fieldError := v.fieldWithNameAndValue(top, current, valueField.Interface(), cField.tag, cField.name, false, cField); fieldError != nil {
validationErrors.Errors[fieldError.Field] = fieldError
// free up memory reference
fieldError = nil
@ -331,7 +331,7 @@ func (v *Validate) structRecursive(top interface{}, current interface{}, s inter
default:
if fieldError := v.fieldWithNameAndValue(top, current, valueField.Interface(), cField.tag, cField.name, cField); fieldError != nil {
if fieldError := v.fieldWithNameAndValue(top, current, valueField.Interface(), cField.tag, cField.name, false, cField); fieldError != nil {
validationErrors.Errors[fieldError.Field] = fieldError
// free up memory reference
fieldError = nil
@ -361,14 +361,17 @@ func (v *Validate) Field(f interface{}, tag string) *FieldError {
// FieldWithValue allows validation of a single field, possibly even against another fields value, still using tag style validation to check multiple errors
func (v *Validate) FieldWithValue(val interface{}, f interface{}, tag string) *FieldError {
return v.fieldWithNameAndValue(nil, val, f, tag, "", nil)
return v.fieldWithNameAndValue(nil, val, f, tag, "", true, nil)
}
func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f interface{}, tag string, name string, cacheField *cachedField) *FieldError {
var cacheFields = map[string][]*cacheTags{}
func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f interface{}, tag string, name string, isSingleField bool, cacheField *cachedField) *FieldError {
// var fieldType reflect.Type
// var fieldKind reflect.Kind
var cField *cachedField
var ok bool
// This is a double check if coming from validate.Struct but need to be here in case function is called directly
if tag == noValidationTag {
@ -382,14 +385,30 @@ func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f
if cacheField == nil {
valueField := reflect.ValueOf(f)
cField = &cachedField{name: name, kind: valueField.Kind()}
if valueField.Kind() == reflect.Ptr && !valueField.IsNil() {
// valueField = valueField.Elem()
// f = valueField.Interface()
return v.fieldWithNameAndValue(val, current, valueField.Elem().Interface(), tag, name, isSingleField, cacheField)
}
// if !ok {
// cacheFields[cField.tag] = cField
// valueField = valueField.Elem()
cField = &cachedField{name: name, kind: valueField.Kind(), tag: tag, typ: valueField.Type()}
// fieldKind = valueField.Kind()
if cField.kind == reflect.Ptr && !valueField.IsNil() {
return v.fieldWithNameAndValue(val, current, valueField.Elem().Interface(), tag, name, cacheField)
}
// if cField.kind == reflect.Ptr && !valueField.IsNil() {
// return v.fieldWithNameAndValue(val, current, valueField.Elem().Interface(), tag, name, isSingleField, cacheField)
// }
// cField.typ = valueField.Type()
// cField.tag = tag
cField.typ = valueField.Type()
// if isSingleField {
// cacheFields[cField.tag] = cField
// }
// cField.tags = make([][]string, 0)
// fieldType = valueField.Type()
// for _, t := range strings.Split(tag, tagSeparator) {
@ -413,6 +432,7 @@ func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f
// // vals := strings.Split(valTag, tagKeySeparator)
// // key := strings.TrimSpace(vals[0])
// }
// }
} else {
cField = cacheField
// fieldType = cacheField.typ
@ -429,39 +449,52 @@ func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f
}
if len(cField.tags) == 0 {
for _, t := range strings.Split(tag, tagSeparator) {
orVals := strings.Split(t, orSeparator)
// fmt.Println(len(orVals) - 1)
cTag := &cacheTags{isOrVal: len(orVals) > 1, keyVals: make([][]string, len(orVals))}
cField.tags = append(cField.tags, cTag)
if isSingleField {
cField.tags, ok = cacheFields[tag]
}
for i, val := range orVals {
vals := strings.Split(val, tagKeySeparator)
if !ok {
key := strings.TrimSpace(vals[0])
for _, t := range strings.Split(tag, tagSeparator) {
if len(key) == 0 {
panic(fmt.Sprintf("Invalid validation tag on field %s", name))
}
orVals := strings.Split(t, orSeparator)
// fmt.Println(len(orVals) - 1)
cTag := &cacheTags{isOrVal: len(orVals) > 1, keyVals: make([][]string, len(orVals))}
cField.tags = append(cField.tags, cTag)
param := ""
if len(vals) > 1 {
param = strings.TrimSpace(vals[1])
}
for i, val := range orVals {
vals := strings.Split(val, tagKeySeparator)
key := strings.TrimSpace(vals[0])
// fmt.Println(cTag.keyVals)
cTag.keyVals[i] = []string{key, param}
// cTag.keyVals = append(cTag.keyVals, []string{key, param})
if len(key) == 0 {
panic(fmt.Sprintf("Invalid validation tag on field %s", name))
}
// for vals := range strings.Split(t, tagKeySeparator) {
// cField.tags = append(cField.tags, cacheTags{ isOrVal: len(orVals) > 1, []string{key, param})
param := ""
if len(vals) > 1 {
param = strings.TrimSpace(vals[1])
}
// fmt.Println(cTag.keyVals)
cTag.keyVals[i] = []string{key, param}
// cTag.keyVals = append(cTag.keyVals, []string{key, param})
// for vals := range strings.Split(t, tagKeySeparator) {
// cField.tags = append(cField.tags, cacheTags{ isOrVal: len(orVals) > 1, []string{key, param})
}
// }
// vals := strings.Split(valTag, tagKeySeparator)
// key := strings.TrimSpace(vals[0])
}
// }
// vals := strings.Split(valTag, tagKeySeparator)
// key := strings.TrimSpace(vals[0])
if isSingleField && !ok {
// fmt.Println(cField.tag)
cacheFields[cField.tag] = cField.tags
}
}
}

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