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Diffstat (limited to 'vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go')
-rw-r--r--vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go162
1 files changed, 0 insertions, 162 deletions
diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go
deleted file mode 100644
index 648b38c..0000000
--- a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
-HTTP Content-Type Autonegotiation.
-
-The functions in this package implement the behaviour specified in
-http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
-
-Copyright (c) 2011, Open Knowledge Foundation Ltd.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- Neither the name of the Open Knowledge Foundation Ltd. nor the
- names of its contributors may be used to endorse or promote
- products derived from this software without specific prior written
- permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
-package goautoneg
-
-import (
- "sort"
- "strconv"
- "strings"
-)
-
-// Structure to represent a clause in an HTTP Accept Header
-type Accept struct {
- Type, SubType string
- Q float64
- Params map[string]string
-}
-
-// For internal use, so that we can use the sort interface
-type accept_slice []Accept
-
-func (accept accept_slice) Len() int {
- slice := []Accept(accept)
- return len(slice)
-}
-
-func (accept accept_slice) Less(i, j int) bool {
- slice := []Accept(accept)
- ai, aj := slice[i], slice[j]
- if ai.Q > aj.Q {
- return true
- }
- if ai.Type != "*" && aj.Type == "*" {
- return true
- }
- if ai.SubType != "*" && aj.SubType == "*" {
- return true
- }
- return false
-}
-
-func (accept accept_slice) Swap(i, j int) {
- slice := []Accept(accept)
- slice[i], slice[j] = slice[j], slice[i]
-}
-
-// Parse an Accept Header string returning a sorted list
-// of clauses
-func ParseAccept(header string) (accept []Accept) {
- parts := strings.Split(header, ",")
- accept = make([]Accept, 0, len(parts))
- for _, part := range parts {
- part := strings.Trim(part, " ")
-
- a := Accept{}
- a.Params = make(map[string]string)
- a.Q = 1.0
-
- mrp := strings.Split(part, ";")
-
- media_range := mrp[0]
- sp := strings.Split(media_range, "/")
- a.Type = strings.Trim(sp[0], " ")
-
- switch {
- case len(sp) == 1 && a.Type == "*":
- a.SubType = "*"
- case len(sp) == 2:
- a.SubType = strings.Trim(sp[1], " ")
- default:
- continue
- }
-
- if len(mrp) == 1 {
- accept = append(accept, a)
- continue
- }
-
- for _, param := range mrp[1:] {
- sp := strings.SplitN(param, "=", 2)
- if len(sp) != 2 {
- continue
- }
- token := strings.Trim(sp[0], " ")
- if token == "q" {
- a.Q, _ = strconv.ParseFloat(sp[1], 32)
- } else {
- a.Params[token] = strings.Trim(sp[1], " ")
- }
- }
-
- accept = append(accept, a)
- }
-
- slice := accept_slice(accept)
- sort.Sort(slice)
-
- return
-}
-
-// Negotiate the most appropriate content_type given the accept header
-// and a list of alternatives.
-func Negotiate(header string, alternatives []string) (content_type string) {
- asp := make([][]string, 0, len(alternatives))
- for _, ctype := range alternatives {
- asp = append(asp, strings.SplitN(ctype, "/", 2))
- }
- for _, clause := range ParseAccept(header) {
- for i, ctsp := range asp {
- if clause.Type == ctsp[0] && clause.SubType == ctsp[1] {
- content_type = alternatives[i]
- return
- }
- if clause.Type == ctsp[0] && clause.SubType == "*" {
- content_type = alternatives[i]
- return
- }
- if clause.Type == "*" && clause.SubType == "*" {
- content_type = alternatives[i]
- return
- }
- }
- }
- return
-}