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Add support for URLs relative to context root

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Setting `RelativeURLs` to `true` will make all relative URLs in the site *really* relative.

And will do so with speed.

So:

In `/post/myblogpost.html`:

`/mycss.css` becomes `../mycss.css`

The same in `/index.html` will become:

`./mycss.css` etc.

Note that absolute URLs will not be touched (either external resources, or URLs constructed with `BaseURL`).

The speediness is about the same as before:

```
benchmark                    old ns/op     new ns/op     delta
BenchmarkAbsURL              17462         18164         +4.02%
BenchmarkAbsURLSrcset        18842         19632         +4.19%
BenchmarkXMLAbsURLSrcset     18643         19313         +3.59%
BenchmarkXMLAbsURL           9283          9656          +4.02%

benchmark                    old allocs     new allocs     delta
BenchmarkAbsURL              24             28             +16.67%
BenchmarkAbsURLSrcset        29             32             +10.34%
BenchmarkXMLAbsURLSrcset     27             30             +11.11%
BenchmarkXMLAbsURL           12             14             +16.67%

benchmark                    old bytes     new bytes     delta
BenchmarkAbsURL              3154          3404          +7.93%
BenchmarkAbsURLSrcset        2376          2573          +8.29%
BenchmarkXMLAbsURLSrcset     2569          2763          +7.55%
BenchmarkXMLAbsURL           1888          1998          +5.83%

```

Fixes #1104
Fixes #622
Fixes #937
Fixes #157
This commit is contained in:
bep
2015-05-16 00:11:39 +02:00
parent e522e5f415
commit beaa8b1bca
10 changed files with 181 additions and 110 deletions
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57
transform/absurl.go
View File

@@ -1,58 +1,11 @@
package transform
import (
"github.com/spf13/viper"
"sync"
)
var ar *absURLReplacer = newAbsURLReplacer()
// to be used in tests; the live site will get its value from Viper.
var AbsBaseUrl string
var absURLInit sync.Once
var ar *absURLReplacer
func AbsURL() (trs []link, err error) {
initAbsURLReplacer()
return absURLFromReplacer(ar)
var AbsURL = func(ct contentTransformer) {
ar.replaceInHTML(ct)
}
func absURLFromURL(URL string) (trs []link, err error) {
return absURLFromReplacer(newAbsURLReplacer(URL))
}
func absURLFromReplacer(ar *absURLReplacer) (trs []link, err error) {
trs = append(trs, func(ct contentTransformer) {
ar.replaceInHTML(ct)
})
return
}
func AbsURLInXML() (trs []link, err error) {
initAbsURLReplacer()
return absURLInXMLFromReplacer(ar)
}
func absURLInXMLFromURL(URL string) (trs []link, err error) {
return absURLInXMLFromReplacer(newAbsURLReplacer(URL))
}
func absURLInXMLFromReplacer(ar *absURLReplacer) (trs []link, err error) {
trs = append(trs, func(ct contentTransformer) {
ar.replaceInXML(ct)
})
return
}
func initAbsURLReplacer() {
absURLInit.Do(func() {
var url string
if AbsBaseUrl != "" {
url = AbsBaseUrl
} else {
url = viper.GetString("BaseURL")
}
ar = newAbsURLReplacer(url)
})
var AbsURLInXML = func(ct contentTransformer) {
ar.replaceInXML(ct)
}