| // Copyright 2015 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package gensupport |
| |
| import ( |
| "net/url" |
| |
| "google.golang.org/api/googleapi" |
| ) |
| |
| // URLParams is a simplified replacement for url.Values |
| // that safely builds up URL parameters for encoding. |
| type URLParams map[string][]string |
| |
| // Get returns the first value for the given key, or "". |
| func (u URLParams) Get(key string) string { |
| vs := u[key] |
| if len(vs) == 0 { |
| return "" |
| } |
| return vs[0] |
| } |
| |
| // Set sets the key to value. |
| // It replaces any existing values. |
| func (u URLParams) Set(key, value string) { |
| u[key] = []string{value} |
| } |
| |
| // SetMulti sets the key to an array of values. |
| // It replaces any existing values. |
| // Note that values must not be modified after calling SetMulti |
| // so the caller is responsible for making a copy if necessary. |
| func (u URLParams) SetMulti(key string, values []string) { |
| u[key] = values |
| } |
| |
| // Encode encodes the values into “URL encoded” form |
| // ("bar=baz&foo=quux") sorted by key. |
| func (u URLParams) Encode() string { |
| return url.Values(u).Encode() |
| } |
| |
| // SetOptions sets the URL params and any additional `CallOption` or |
| // `MultiCallOption` passed in. |
| func SetOptions(u URLParams, opts ...googleapi.CallOption) { |
| for _, o := range opts { |
| m, ok := o.(googleapi.MultiCallOption) |
| if ok { |
| u.SetMulti(m.GetMulti()) |
| continue |
| } |
| u.Set(o.Get()) |
| } |
| } |