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vendor: update gorilla/mux to be compatible with Go 1.7

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Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2017-04-07 16:13:09 -07:00
parent 1f0a9dbca0
commit 818ba4babf
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GPG key ID: 67B3DED84EDC823F
8 changed files with 881 additions and 109 deletions
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146
vendor/github.com/gorilla/mux/route.go generated vendored
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@ -9,6 +9,7 @@ import (
"fmt"
"net/http"
"net/url"
"regexp"
"strings"
)
@ -25,12 +26,23 @@ type Route struct {
// If true, when the path pattern is "/path/", accessing "/path" will
// redirect to the former and vice versa.
strictSlash bool
// If true, when the path pattern is "/path//to", accessing "/path//to"
// will not redirect
skipClean bool
// If true, "/path/foo%2Fbar/to" will match the path "/path/{var}/to"
useEncodedPath bool
// If true, this route never matches: it is only used to build URLs.
buildOnly bool
// The name used to build URLs.
name string
// Error resulted from building a route.
err error
buildVarsFunc BuildVarsFunc
}
func (r *Route) SkipClean() bool {
return r.skipClean
}
// Match matches the route against the request.
@ -141,14 +153,14 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery
}
r.regexp = r.getRegexpGroup()
if !matchHost && !matchQuery {
if len(tpl) == 0 || tpl[0] != '/' {
if len(tpl) > 0 && tpl[0] != '/' {
return fmt.Errorf("mux: path must start with a slash, got %q", tpl)
}
if r.regexp.path != nil {
tpl = strings.TrimRight(r.regexp.path.template, "/") + tpl
}
}
rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash)
rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash, r.useEncodedPath)
if err != nil {
return err
}
@ -186,7 +198,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery
type headerMatcher map[string]string
func (m headerMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchMap(m, r.Header, true)
return matchMapWithString(m, r.Header, true)
}
// Headers adds a matcher for request header values.
@ -197,22 +209,46 @@ func (m headerMatcher) Match(r *http.Request, match *RouteMatch) bool {
// "X-Requested-With", "XMLHttpRequest")
//
// The above route will only match if both request header values match.
//
// It the value is an empty string, it will match any value if the key is set.
// If the value is an empty string, it will match any value if the key is set.
func (r *Route) Headers(pairs ...string) *Route {
if r.err == nil {
var headers map[string]string
headers, r.err = mapFromPairs(pairs...)
headers, r.err = mapFromPairsToString(pairs...)
return r.addMatcher(headerMatcher(headers))
}
return r
}
// headerRegexMatcher matches the request against the route given a regex for the header
type headerRegexMatcher map[string]*regexp.Regexp
func (m headerRegexMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchMapWithRegex(m, r.Header, true)
}
// HeadersRegexp accepts a sequence of key/value pairs, where the value has regex
// support. For example:
//
// r := mux.NewRouter()
// r.HeadersRegexp("Content-Type", "application/(text|json)",
// "X-Requested-With", "XMLHttpRequest")
//
// The above route will only match if both the request header matches both regular expressions.
// It the value is an empty string, it will match any value if the key is set.
func (r *Route) HeadersRegexp(pairs ...string) *Route {
if r.err == nil {
var headers map[string]*regexp.Regexp
headers, r.err = mapFromPairsToRegex(pairs...)
return r.addMatcher(headerRegexMatcher(headers))
}
return r
}
// Host -----------------------------------------------------------------------
// Host adds a matcher for the URL host.
// It accepts a template with zero or more URL variables enclosed by {}.
// Variables can define an optional regexp pattern to me matched:
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next dot.
//
@ -221,7 +257,7 @@ func (r *Route) Headers(pairs ...string) *Route {
// For example:
//
// r := mux.NewRouter()
// r.Host("www.domain.com")
// r.Host("www.example.com")
// r.Host("{subdomain}.domain.com")
// r.Host("{subdomain:[a-z]+}.domain.com")
//
@ -237,6 +273,7 @@ func (r *Route) Host(tpl string) *Route {
// MatcherFunc is the function signature used by custom matchers.
type MatcherFunc func(*http.Request, *RouteMatch) bool
// Match returns the match for a given request.
func (m MatcherFunc) Match(r *http.Request, match *RouteMatch) bool {
return m(r, match)
}
@ -270,7 +307,7 @@ func (r *Route) Methods(methods ...string) *Route {
// Path adds a matcher for the URL path.
// It accepts a template with zero or more URL variables enclosed by {}. The
// template must start with a "/".
// Variables can define an optional regexp pattern to me matched:
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next slash.
//
@ -321,7 +358,7 @@ func (r *Route) PathPrefix(tpl string) *Route {
//
// It the value is an empty string, it will match any value if the key is set.
//
// Variables can define an optional regexp pattern to me matched:
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next slash.
//
@ -334,7 +371,7 @@ func (r *Route) Queries(pairs ...string) *Route {
return nil
}
for i := 0; i < length; i += 2 {
if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], false, true, true); r.err != nil {
if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], false, false, true); r.err != nil {
return r
}
}
@ -360,6 +397,19 @@ func (r *Route) Schemes(schemes ...string) *Route {
return r.addMatcher(schemeMatcher(schemes))
}
// BuildVarsFunc --------------------------------------------------------------
// BuildVarsFunc is the function signature used by custom build variable
// functions (which can modify route variables before a route's URL is built).
type BuildVarsFunc func(map[string]string) map[string]string
// BuildVarsFunc adds a custom function to be used to modify build variables
// before a route's URL is built.
func (r *Route) BuildVarsFunc(f BuildVarsFunc) *Route {
r.buildVarsFunc = f
return r
}
// Subrouter ------------------------------------------------------------------
// Subrouter creates a subrouter for the route.
@ -367,7 +417,7 @@ func (r *Route) Schemes(schemes ...string) *Route {
// It will test the inner routes only if the parent route matched. For example:
//
// r := mux.NewRouter()
// s := r.Host("www.domain.com").Subrouter()
// s := r.Host("www.example.com").Subrouter()
// s.HandleFunc("/products/", ProductsHandler)
// s.HandleFunc("/products/{key}", ProductHandler)
// s.HandleFunc("/articles/{category}/{id:[0-9]+}"), ArticleHandler)
@ -422,17 +472,20 @@ func (r *Route) URL(pairs ...string) (*url.URL, error) {
if r.regexp == nil {
return nil, errors.New("mux: route doesn't have a host or path")
}
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
var scheme, host, path string
var err error
if r.regexp.host != nil {
// Set a default scheme.
scheme = "http"
if host, err = r.regexp.host.url(pairs...); err != nil {
if host, err = r.regexp.host.url(values); err != nil {
return nil, err
}
}
if r.regexp.path != nil {
if path, err = r.regexp.path.url(pairs...); err != nil {
if path, err = r.regexp.path.url(values); err != nil {
return nil, err
}
}
@ -453,7 +506,11 @@ func (r *Route) URLHost(pairs ...string) (*url.URL, error) {
if r.regexp == nil || r.regexp.host == nil {
return nil, errors.New("mux: route doesn't have a host")
}
host, err := r.regexp.host.url(pairs...)
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
host, err := r.regexp.host.url(values)
if err != nil {
return nil, err
}
@ -473,7 +530,11 @@ func (r *Route) URLPath(pairs ...string) (*url.URL, error) {
if r.regexp == nil || r.regexp.path == nil {
return nil, errors.New("mux: route doesn't have a path")
}
path, err := r.regexp.path.url(pairs...)
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
path, err := r.regexp.path.url(values)
if err != nil {
return nil, err
}
@ -482,6 +543,56 @@ func (r *Route) URLPath(pairs ...string) (*url.URL, error) {
}, nil
}
// GetPathTemplate returns the template used to build the
// route match.
// This is useful for building simple REST API documentation and for instrumentation
// against third-party services.
// An error will be returned if the route does not define a path.
func (r *Route) GetPathTemplate() (string, error) {
if r.err != nil {
return "", r.err
}
if r.regexp == nil || r.regexp.path == nil {
return "", errors.New("mux: route doesn't have a path")
}
return r.regexp.path.template, nil
}
// GetHostTemplate returns the template used to build the
// route match.
// This is useful for building simple REST API documentation and for instrumentation
// against third-party services.
// An error will be returned if the route does not define a host.
func (r *Route) GetHostTemplate() (string, error) {
if r.err != nil {
return "", r.err
}
if r.regexp == nil || r.regexp.host == nil {
return "", errors.New("mux: route doesn't have a host")
}
return r.regexp.host.template, nil
}
// prepareVars converts the route variable pairs into a map. If the route has a
// BuildVarsFunc, it is invoked.
func (r *Route) prepareVars(pairs ...string) (map[string]string, error) {
m, err := mapFromPairsToString(pairs...)
if err != nil {
return nil, err
}
return r.buildVars(m), nil
}
func (r *Route) buildVars(m map[string]string) map[string]string {
if r.parent != nil {
m = r.parent.buildVars(m)
}
if r.buildVarsFunc != nil {
m = r.buildVarsFunc(m)
}
return m
}
// ----------------------------------------------------------------------------
// parentRoute
// ----------------------------------------------------------------------------
@ -490,6 +601,7 @@ func (r *Route) URLPath(pairs ...string) (*url.URL, error) {
type parentRoute interface {
getNamedRoutes() map[string]*Route
getRegexpGroup() *routeRegexpGroup
buildVars(map[string]string) map[string]string
}
// getNamedRoutes returns the map where named routes are registered.