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Consolidate the Param methods

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Maps in Viper, Hugo's config backing store, is now properly lower-cased not just on top level, the current situation.

While this is mostly a good thing, as you don't need to know the original casing to look up a value, it will be breaking for people doing direct lookups in the ´Site.Params` map.

We will try to find a solution to this "breakage", but the recommended method to get params values is via the `.Param` methods.

This method is now implemented on `Node`, `Page` and `Site` and is case-insensitive:

* Use `.Param "someKey" ` if you want page param with fall back to site param if not found on page.
* Use `.Site.Param "someKey"` to get a site param

See #2590
This commit is contained in:
Bjørn Erik Pedersen 2016-10-17 19:30:21 +02:00
parent faa64abdc2
commit 58f31d2769
3 changed files with 17 additions and 9 deletions
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10
hugolib/node.go
View file

@ -24,8 +24,6 @@ import (
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/hugo/helpers"
"github.com/spf13/cast"
)
type Node struct {
@ -124,13 +122,9 @@ func (n *Node) IsMenuCurrent(menuID string, inme *MenuEntry) bool {
// Param is a convenience method to do lookups in Site's Params map.
//
// This method is also implemented on Page.
// This method is also implemented on Page and SiteInfo.
func (n *Node) Param(key interface{}) (interface{}, error) {
keyStr, err := cast.ToStringE(key)
if err != nil {
return nil, err
}
return n.Site.Params[keyStr], err
return n.Site.Param(key)
}
func (n *Node) Hugo() *HugoInfo {

3
hugolib/page.go
View file

@ -194,12 +194,13 @@ func (p *Page) IsPage() bool {
// Param is a convenience method to do lookups in Page's and Site's Params map,
// in that order.
//
// This method is also implemented on Node.
// This method is also implemented on Node and SiteInfo.
func (p *Page) Param(key interface{}) (interface{}, error) {
keyStr, err := cast.ToStringE(key)
if err != nil {
return nil, err
}
keyStr = strings.ToLower(keyStr)
if val, ok := p.Params[keyStr]; ok {
return val, nil
}

13
hugolib/site.go
View file

@ -223,8 +223,21 @@ func newSiteInfoDefaultLanguage(baseURL string, pages ...*Page) *SiteInfo {
// linkedin
type SiteSocial map[string]string
// Param is a convenience method to do lookups in Site's Params map.
//
// This method is also implemented on Page and Node.
func (s *SiteInfo) Param(key interface{}) (interface{}, error) {
keyStr, err := cast.ToStringE(key)
if err != nil {
return nil, err
}
keyStr = strings.ToLower(keyStr)
return s.Params[keyStr], nil
}
// GetParam gets a site parameter value if found, nil if not.
func (s *SiteInfo) GetParam(key string) interface{} {
helpers.Deprecated("SiteInfo", ".GetParam", ".Param")
v := s.Params[strings.ToLower(key)]
if v == nil {