/
uri.go
123 lines (96 loc) · 3 KB
/
uri.go
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// MIT License
//
// Copyright (c) 2021 Iván Szkiba
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package configen
import (
"fmt"
"net/url"
"reflect"
"github.com/yosida95/uritemplate/v3"
)
func qsParse(str string) (map[string][]string, error) {
return url.ParseQuery(str)
}
func qsJoin(v map[string][]string) string {
return url.Values(v).Encode()
}
func uritpl(tmpl string, params map[string]interface{}) (string, error) {
t, err := uritemplate.New(tmpl)
if err != nil {
return "", err
}
vars := uritemplate.Values{}
for key, val := range params {
vars.Set(key, uritplValue(val))
}
return t.Expand(vars)
}
func uritplValue(val interface{}) uritemplate.Value { // nolint: cyclop
if s, ok := val.(string); ok && len(s) > 0 {
return uritemplate.String(s)
}
if l, ok := val.([]string); ok && len(l) > 0 {
return uritemplate.List(l...)
}
if q, ok := val.(map[string][]string); ok && len(q) > 0 {
return uritplParams(q)
}
if q, ok := val.(url.Values); ok && len(q) > 0 {
return uritplParams(q)
}
if m, ok := val.(map[string]interface{}); ok && len(m) > 0 {
return uritplMap(m)
}
if m, ok := val.(map[string]string); ok && len(m) > 0 {
return uritplStringMap(m)
}
ref := reflect.ValueOf(val)
switch ref.Kind() { // nolint: exhaustive
case reflect.Map, reflect.Array, reflect.Slice, reflect.String:
if ref.Len() == 0 {
return uritemplate.KV()
}
}
return uritemplate.String(fmt.Sprint(val))
}
func uritplMap(m map[string]interface{}) uritemplate.Value {
kv := make([]string, 0, len(m)<<1)
for k, v := range m {
kv = append(kv, k, v.(string))
}
return uritemplate.KV(kv...)
}
func uritplStringMap(m map[string]string) uritemplate.Value {
kv := make([]string, 0, len(m)<<1)
for k, v := range m {
kv = append(kv, k, v)
}
return uritemplate.KV(kv...)
}
func uritplParams(q map[string][]string) uritemplate.Value {
kv := make([]string, 0, len(q)<<1)
for k, a := range q {
for _, v := range a {
kv = append(kv, k, v)
}
}
return uritemplate.KV(kv...)
}