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Copy pathgutil_map.go
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Copy pathgutil_map.go
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86 lines (77 loc) · 2.22 KB
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// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gutil
import (
"github.com/gogf/gf/internal/utils"
)
// MapCopy does a shallow copy from map <data> to <copy> for most commonly used map type
// map[string]interface{}.
func MapCopy(data map[string]interface{}) (copy map[string]interface{}) {
copy = make(map[string]interface{}, len(data))
for k, v := range data {
copy[k] = v
}
return
}
// MapContains checks whether map <data> contains <key>.
func MapContains(data map[string]interface{}, key string) (ok bool) {
_, ok = data[key]
return
}
// MapDelete deletes all <key> from map <data>.
func MapDelete(data map[string]interface{}, key ...string) {
if data == nil {
return
}
for _, v := range key {
delete(data, v)
}
}
// MapMerge merges all map from <src> to map <dst>.
func MapMerge(dst map[string]interface{}, src ...map[string]interface{}) {
if dst == nil {
return
}
for _, m := range src {
for k, v := range m {
dst[k] = v
}
}
}
// MapMergeCopy creates and returns a new map which merges all map from <src>.
func MapMergeCopy(src ...map[string]interface{}) (copy map[string]interface{}) {
copy = make(map[string]interface{})
for _, m := range src {
for k, v := range m {
copy[k] = v
}
}
return
}
// MapPossibleItemByKey tries to find the possible key-value pair for given key with or without
// cases or chars '-'/'_'/'.'/' '.
//
// Note that this function might be of low performance.
func MapPossibleItemByKey(data map[string]interface{}, key string) (foundKey string, foundValue interface{}) {
if v, ok := data[key]; ok {
return key, v
}
// Loop checking.
for k, v := range data {
if utils.EqualFoldWithoutChars(k, key) {
return k, v
}
}
return "", nil
}
// MapContainsPossibleKey checks if the given <key> is contained in given map <data>.
// It checks the key with or without cases or chars '-'/'_'/'.'/' '.
func MapContainsPossibleKey(data map[string]interface{}, key string) bool {
if k, _ := MapPossibleItemByKey(data, key); k != "" {
return true
}
return false
}