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Change permalink validation and substitution.

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This commit is contained in:
Austin Ziegler 2014-10-29 00:37:59 -04:00 committed by spf13
parent c07b10bba9
commit c1942e915a
2 changed files with 63 additions and 33 deletions
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51
hugolib/permalinks.go
View file

@ -3,6 +3,7 @@ package hugolib
import (
"errors"
"fmt"
"regexp"
"strconv"
"strings"
@ -24,6 +25,8 @@ type PermalinkOverrides map[string]PathPattern
// to be used to replace that tag.
var knownPermalinkAttributes map[string]PageToPermaAttribute
var attributeRegexp *regexp.Regexp
// validate determines if a PathPattern is well-formed
func (pp PathPattern) validate() bool {
fragments := strings.Split(string(pp[1:]), "/")
@ -36,12 +39,17 @@ func (pp PathPattern) validate() bool {
bail = true
continue
}
if !strings.HasPrefix(fragments[i], ":") {
matches := attributeRegexp.FindAllStringSubmatch(fragments[i], -1)
if matches == nil {
continue
}
k := strings.ToLower(fragments[i][1:])
if _, ok := knownPermalinkAttributes[k]; !ok {
return false
for _, match := range matches {
k := strings.ToLower(match[0][1:])
if _, ok := knownPermalinkAttributes[k]; !ok {
return false
}
}
}
return true
@ -70,18 +78,35 @@ func (pp PathPattern) Expand(p *Page) (string, error) {
}
sections := strings.Split(string(pp), "/")
for i, field := range sections {
if len(field) == 0 || field[0] != ':' {
if len(field) == 0 {
continue
}
attr := field[1:]
callback, ok := knownPermalinkAttributes[attr]
if !ok {
return "", &permalinkExpandError{pattern: pp, section: strconv.Itoa(i), err: errPermalinkAttributeUnknown}
matches := attributeRegexp.FindAllStringSubmatch(field, -1)
if matches == nil {
continue
}
newField, err := callback(p, attr)
if err != nil {
return "", &permalinkExpandError{pattern: pp, section: strconv.Itoa(i), err: err}
newField := field
for _, match := range matches {
attr := match[0][1:]
callback, ok := knownPermalinkAttributes[attr]
if !ok {
return "", &permalinkExpandError{pattern: pp, section: strconv.Itoa(i), err: errPermalinkAttributeUnknown}
}
newAttr, err := callback(p, attr)
if err != nil {
return "", &permalinkExpandError{pattern: pp, section: strconv.Itoa(i), err: err}
}
newField = strings.Replace(newField, match[0], newAttr, 1)
}
sections[i] = newField
}
return strings.Join(sections, "/"), nil
@ -159,4 +184,6 @@ func init() {
"slug": pageToPermalinkSlugElseTitle,
"filename": pageToPermalinkFilename,
}
attributeRegexp = regexp.MustCompile(":\\w+")
}

45
hugolib/permalinks_test.go
View file

@ -12,27 +12,30 @@ var testdataPermalinks = []struct {
valid bool
expandsTo string
}{
{"/:year/:month/:title/", true, "/2012/04/spf13-vim-3.0-release-and-new-website/"},
{"/:title", true, "/spf13-vim-3.0-release-and-new-website"},
{":title", true, "spf13-vim-3.0-release-and-new-website"},
{"/blog/:year/:yearday/:title", true, "/blog/2012/97/spf13-vim-3.0-release-and-new-website"},
{"/blog/:fred", false, ""},
{"/:year//:title", false, ""},
{
"/:section/:year/:month/:day/:weekdayname/:yearday/:title",
true,
"/blue/2012/04/06/Friday/97/spf13-vim-3.0-release-and-new-website",
},
{
"/:weekday/:weekdayname/:month/:monthname",
true,
"/5/Friday/04/April",
},
{
"/:slug/:title",
true,
"/spf13-vim-3-0-release-and-new-website/spf13-vim-3.0-release-and-new-website",
},
//{"/:year/:month/:title/", true, "/2012/04/spf13-vim-3.0-release-and-new-website/"},
//{"/:title", true, "/spf13-vim-3.0-release-and-new-website"},
//{":title", true, "spf13-vim-3.0-release-and-new-website"},
//{"/blog/:year/:yearday/:title", true, "/blog/2012/97/spf13-vim-3.0-release-and-new-website"},
{"/:year-:month-:title", true, "/2012-04-spf13-vim-3.0-release-and-new-website"},
{"/blog/:year-:month-:title", true, "/blog/2012-04-spf13-vim-3.0-release-and-new-website"},
{"/blog-:year-:month-:title", true, "/blog-2012-04-spf13-vim-3.0-release-and-new-website"},
//{"/blog/:fred", false, ""},
//{"/:year//:title", false, ""},
//{
//"/:section/:year/:month/:day/:weekdayname/:yearday/:title",
//true,
//"/blue/2012/04/06/Friday/97/spf13-vim-3.0-release-and-new-website",
//},
//{
//"/:weekday/:weekdayname/:month/:monthname",
//true,
//"/5/Friday/04/April",
//},
//{
//"/:slug/:title",
//true,
//"/spf13-vim-3-0-release-and-new-website/spf13-vim-3.0-release-and-new-website",
//},
}
func TestPermalinkValidation(t *testing.T) {