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x/text: Get unicode script name in addition to script code #31862

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jeremieSimon opened this issue May 6, 2019 · 1 comment
Open

x/text: Get unicode script name in addition to script code #31862

jeremieSimon opened this issue May 6, 2019 · 1 comment
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NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Unreleased

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@jeremieSimon
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jeremieSimon commented May 6, 2019 •
edited

What version of Go are you using (go version)?

$ go version = 1.12.4

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env GOARCH="amd64"
GOBIN="/Users/user/dev/apl/pp/parsec/fed/_vendor/bin"
GOCACHE="/Users/user/go/cache"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/user/dev/apl/pp/parsec/fed:/Users/user/dev/apl/pp/parsec/fed/_vendor"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/Cellar/go/1.12.4/libexec"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.12.4/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/wm/mbpr1q9j5vsb67r0yn4zl4m40000gn/T/go-build893585754=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

I want to get the RangeTable of a script given a specific language.

import (
    "golang.org/x/text/language"
    "unicode"
)

...

script, confidence := language.French.Script() 
scriptAsString := script.String() // here scriptAsString = "Latn"
rangeTable, ok := unicode.Scripts[scriptAsString] // here ok = false, because the Scripts map has key "Latin" and not "Latn"

The problem is that the following function returns the script code
func (s Script) String() string

Whereas the map unicode.Scripts has all of its keys using the script name

FIY: https://en.wikipedia.org/wiki/ISO_15924#List_of_codes

What did you expect to see?

I would expect one of those:

  1. Be able to get a script name in addition to get the script code.
  2. Have a translation table between script code and script name
  3. Have a map unicode.Scripts that goes from script code to RangeTable

Open thread on stack overflow here:
https://stackoverflow.com/questions/56003838/get-unicode-script-name-in-go
@jeremieSimon jeremieSimon changed the title Get unicode script name in addition to script code [x/text] Get unicode script name in addition to script code May 6, 2019
@ianlancetaylor
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CC @mpvl

@bradfitz bradfitz changed the title [x/text] Get unicode script name in addition to script code x/text: Get unicode script name in addition to script code May 6, 2019
@gopherbot gopherbot added this to the Unreleased milestone May 6, 2019
@andybons andybons added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 8, 2019
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@andybons @jeremieSimon @ianlancetaylor @gopherbot