unicode/norm: allow tables to be dropped if not used
Not using init() does the trick.
It is not possible to only use some tables, but this is useful
in case a package provides normalization functionality as an
option.
Change-Id: I927db7d89910efa98393addb42d19266f6fe5496
Reviewed-on: https://go-review.googlesource.com/36511
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/unicode/norm/forminfo.go b/unicode/norm/forminfo.go
index 15a67c6..8c78b15 100644
--- a/unicode/norm/forminfo.go
+++ b/unicode/norm/forminfo.go
@@ -56,28 +56,31 @@
nextMain iterFunc
}
-var formTable []*formInfo
-
-func init() {
- formTable = make([]*formInfo, 4)
-
- for i := range formTable {
- f := &formInfo{}
- formTable[i] = f
- f.form = Form(i)
- if Form(i) == NFKD || Form(i) == NFKC {
- f.compatibility = true
- f.info = lookupInfoNFKC
- } else {
- f.info = lookupInfoNFC
- }
- f.nextMain = nextDecomposed
- if Form(i) == NFC || Form(i) == NFKC {
- f.nextMain = nextComposed
- f.composing = true
- }
- }
-}
+var formTable = []*formInfo{{
+ form: NFC,
+ composing: true,
+ compatibility: false,
+ info: lookupInfoNFC,
+ nextMain: nextComposed,
+}, {
+ form: NFD,
+ composing: false,
+ compatibility: false,
+ info: lookupInfoNFC,
+ nextMain: nextDecomposed,
+}, {
+ form: NFKC,
+ composing: true,
+ compatibility: true,
+ info: lookupInfoNFKC,
+ nextMain: nextComposed,
+}, {
+ form: NFKD,
+ composing: false,
+ compatibility: true,
+ info: lookupInfoNFKC,
+ nextMain: nextDecomposed,
+}}
// We do not distinguish between boundaries for NFC, NFD, etc. to avoid
// unexpected behavior for the user. For example, in NFD, there is a boundary
