hugo/helpers/baseURL.go
Jorin Vogel 81c13171a9 Add some missing doc comments
As pointed out by the linter, some exported functions and types are
missing doc comments.
The linter warnings have been reduced from 194 to 116.
Not all missing comments have been added in this commit though.
2017-08-03 15:57:51 +02:00

75 lines
1.9 KiB
Go

// Copyright 2017-present The Hugo Authors. All rights reserved.
//
// 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 helpers
import (
"fmt"
"net/url"
"strings"
)
// A BaseURL in Hugo is normally on the form scheme://path, but the
// form scheme: is also valid (mailto:hugo@rules.com).
type BaseURL struct {
url *url.URL
urlStr string
}
func (b BaseURL) String() string {
return b.urlStr
}
// WithProtocol returns the BaseURL prefixed with the given protocol.
// The Protocol is normally of the form "scheme://", i.e. "webcal://".
func (b BaseURL) WithProtocol(protocol string) (string, error) {
u := b.URL()
scheme := protocol
isFullProtocol := strings.HasSuffix(scheme, "://")
isOpaqueProtocol := strings.HasSuffix(scheme, ":")
if isFullProtocol {
scheme = strings.TrimSuffix(scheme, "://")
} else if isOpaqueProtocol {
scheme = strings.TrimSuffix(scheme, ":")
}
u.Scheme = scheme
if isFullProtocol && u.Opaque != "" {
u.Opaque = "//" + u.Opaque
} else if isOpaqueProtocol && u.Opaque == "" {
return "", fmt.Errorf("Cannot determine BaseURL for protocol %q", protocol)
}
return u.String(), nil
}
// URL returns a copy of the internal URL.
// The copy can be safely used and modified.
func (b BaseURL) URL() *url.URL {
c := *b.url
return &c
}
func newBaseURLFromString(b string) (BaseURL, error) {
var result BaseURL
base, err := url.Parse(b)
if err != nil {
return result, err
}
return BaseURL{url: base, urlStr: base.String()}, nil
}