Vendor main dependencies.

This commit is contained in:
Timo Reimann 2017-02-07 22:33:23 +01:00
parent 49a09ab7dd
commit dd5e3fba01
2738 changed files with 1045689 additions and 0 deletions

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Copyright (c) 2013 Joshua Tacoma
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.

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// Copyright 2013 Joshua Tacoma. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package uritemplates is a level 3 implementation of RFC 6570 (URI
// Template, http://tools.ietf.org/html/rfc6570).
// uritemplates does not support composite values (in Go: slices or maps)
// and so does not qualify as a level 4 implementation.
package uritemplates
import (
"bytes"
"errors"
"regexp"
"strconv"
"strings"
)
var (
unreserved = regexp.MustCompile("[^A-Za-z0-9\\-._~]")
reserved = regexp.MustCompile("[^A-Za-z0-9\\-._~:/?#[\\]@!$&'()*+,;=]")
validname = regexp.MustCompile("^([A-Za-z0-9_\\.]|%[0-9A-Fa-f][0-9A-Fa-f])+$")
hex = []byte("0123456789ABCDEF")
)
func pctEncode(src []byte) []byte {
dst := make([]byte, len(src)*3)
for i, b := range src {
buf := dst[i*3 : i*3+3]
buf[0] = 0x25
buf[1] = hex[b/16]
buf[2] = hex[b%16]
}
return dst
}
func escape(s string, allowReserved bool) string {
if allowReserved {
return string(reserved.ReplaceAllFunc([]byte(s), pctEncode))
}
return string(unreserved.ReplaceAllFunc([]byte(s), pctEncode))
}
// A uriTemplate is a parsed representation of a URI template.
type uriTemplate struct {
raw string
parts []templatePart
}
// parse parses a URI template string into a uriTemplate object.
func parse(rawTemplate string) (*uriTemplate, error) {
split := strings.Split(rawTemplate, "{")
parts := make([]templatePart, len(split)*2-1)
for i, s := range split {
if i == 0 {
if strings.Contains(s, "}") {
return nil, errors.New("unexpected }")
}
parts[i].raw = s
continue
}
subsplit := strings.Split(s, "}")
if len(subsplit) != 2 {
return nil, errors.New("malformed template")
}
expression := subsplit[0]
var err error
parts[i*2-1], err = parseExpression(expression)
if err != nil {
return nil, err
}
parts[i*2].raw = subsplit[1]
}
return &uriTemplate{
raw: rawTemplate,
parts: parts,
}, nil
}
type templatePart struct {
raw string
terms []templateTerm
first string
sep string
named bool
ifemp string
allowReserved bool
}
type templateTerm struct {
name string
explode bool
truncate int
}
func parseExpression(expression string) (result templatePart, err error) {
switch expression[0] {
case '+':
result.sep = ","
result.allowReserved = true
expression = expression[1:]
case '.':
result.first = "."
result.sep = "."
expression = expression[1:]
case '/':
result.first = "/"
result.sep = "/"
expression = expression[1:]
case ';':
result.first = ";"
result.sep = ";"
result.named = true
expression = expression[1:]
case '?':
result.first = "?"
result.sep = "&"
result.named = true
result.ifemp = "="
expression = expression[1:]
case '&':
result.first = "&"
result.sep = "&"
result.named = true
result.ifemp = "="
expression = expression[1:]
case '#':
result.first = "#"
result.sep = ","
result.allowReserved = true
expression = expression[1:]
default:
result.sep = ","
}
rawterms := strings.Split(expression, ",")
result.terms = make([]templateTerm, len(rawterms))
for i, raw := range rawterms {
result.terms[i], err = parseTerm(raw)
if err != nil {
break
}
}
return result, err
}
func parseTerm(term string) (result templateTerm, err error) {
// TODO(djd): Remove "*" suffix parsing once we check that no APIs have
// mistakenly used that attribute.
if strings.HasSuffix(term, "*") {
result.explode = true
term = term[:len(term)-1]
}
split := strings.Split(term, ":")
if len(split) == 1 {
result.name = term
} else if len(split) == 2 {
result.name = split[0]
var parsed int64
parsed, err = strconv.ParseInt(split[1], 10, 0)
result.truncate = int(parsed)
} else {
err = errors.New("multiple colons in same term")
}
if !validname.MatchString(result.name) {
err = errors.New("not a valid name: " + result.name)
}
if result.explode && result.truncate > 0 {
err = errors.New("both explode and prefix modifers on same term")
}
return result, err
}
// Expand expands a URI template with a set of values to produce a string.
func (t *uriTemplate) Expand(values map[string]string) string {
var buf bytes.Buffer
for _, p := range t.parts {
p.expand(&buf, values)
}
return buf.String()
}
func (tp *templatePart) expand(buf *bytes.Buffer, values map[string]string) {
if len(tp.raw) > 0 {
buf.WriteString(tp.raw)
return
}
var first = true
for _, term := range tp.terms {
value, exists := values[term.name]
if !exists {
continue
}
if first {
buf.WriteString(tp.first)
first = false
} else {
buf.WriteString(tp.sep)
}
tp.expandString(buf, term, value)
}
}
func (tp *templatePart) expandName(buf *bytes.Buffer, name string, empty bool) {
if tp.named {
buf.WriteString(name)
if empty {
buf.WriteString(tp.ifemp)
} else {
buf.WriteString("=")
}
}
}
func (tp *templatePart) expandString(buf *bytes.Buffer, t templateTerm, s string) {
if len(s) > t.truncate && t.truncate > 0 {
s = s[:t.truncate]
}
tp.expandName(buf, t.name, len(s) == 0)
buf.WriteString(escape(s, tp.allowReserved))
}

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// Copyright 2016 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 uritemplates
func Expand(path string, values map[string]string) (string, error) {
template, err := parse(path)
if err != nil {
return "", err
}
return template.Expand(values), nil
}