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Commit d91b419e authored by Jeromy's avatar Jeromy
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WIP

parent a40ef343
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vendor/gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr/examples_test.go deleted 100644 → 0
View file @ a40ef343
package cldr_test
import (
"fmt"
"gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr"
)
func ExampleSlice() {
var dr *cldr.CLDR // assume this is initalized
x, _ := dr.LDML("en")
cs := x.Collations.Collation
// remove all but the default
cldr.MakeSlice(&cs).Filter(func(e cldr.Elem) bool {
return e.GetCommon().Type != x.Collations.Default()
})
for i, c := range cs {
fmt.Println(i, c.Type)
}
}
vendor/gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr/makexml.go deleted 100644 → 0
View file @ a40ef343
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// This tool generates types for the various XML formats of CLDR.
package main
import (
"archive/zip"
"bytes"
"encoding/xml"
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"regexp"
"strings"
"golang.org/x/text/internal/gen"
)
var outputFile = flag.String("output", "xml.go", "output file name")
func main() {
flag.Parse()
r := gen.OpenCLDRCoreZip()
buffer, err := ioutil.ReadAll(r)
if err != nil {
log.Fatal("Could not read zip file")
}
r.Close()
z, err := zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
if err != nil {
log.Fatalf("Could not read zip archive: %v", err)
}
var buf bytes.Buffer
version := gen.CLDRVersion()
for _, dtd := range files {
for _, f := range z.File {
if strings.HasSuffix(f.Name, dtd.file+".dtd") {
r, err := f.Open()
failOnError(err)
b := makeBuilder(&buf, dtd)
b.parseDTD(r)
b.resolve(b.index[dtd.top[0]])
b.write()
if b.version != "" && version != b.version {
println(f.Name)
log.Fatalf("main: inconsistent versions: found %s; want %s", b.version, version)
}
break
}
}
}
fmt.Fprintln(&buf, "// Version is the version of CLDR from which the XML definitions are generated.")
fmt.Fprintf(&buf, "const Version = %q\n", version)
gen.WriteGoFile(*outputFile, "cldr", buf.Bytes())
}
func failOnError(err error) {
if err != nil {
log.New(os.Stderr, "", log.Lshortfile).Output(2, err.Error())
os.Exit(1)
}
}
// configuration data per DTD type
type dtd struct {
file string // base file name
root string // Go name of the root XML element
top []string // create a different type for this section
skipElem []string // hard-coded or deprecated elements
skipAttr []string // attributes to exclude
predefined []string // hard-coded elements exist of the form <name>Elem
forceRepeat []string // elements to make slices despite DTD
}
var files = []dtd{
{
file: "ldmlBCP47",
root: "LDMLBCP47",
top: []string{"ldmlBCP47"},
skipElem: []string{
"cldrVersion", // deprecated, not used
},
},
{
file: "ldmlSupplemental",
root: "SupplementalData",
top: []string{"supplementalData"},
skipElem: []string{
"cldrVersion", // deprecated, not used
},
forceRepeat: []string{
"plurals", // data defined in plurals.xml and ordinals.xml
},
},
{
file: "ldml",
root: "LDML",
top: []string{
"ldml", "collation", "calendar", "timeZoneNames", "localeDisplayNames", "numbers",
},
skipElem: []string{
"cp", // not used anywhere
"special", // not used anywhere
"fallback", // deprecated, not used
"alias", // in Common
"default", // in Common
},
skipAttr: []string{
"hiraganaQuarternary", // typo in DTD, correct version included as well
},
predefined: []string{"rules"},
},
}
var comments = map[string]string{
"ldmlBCP47": `
// LDMLBCP47 holds information on allowable values for various variables in LDML.
`,
"supplementalData": `
// SupplementalData holds information relevant for internationalization
// and proper use of CLDR, but that is not contained in the locale hierarchy.
`,
"ldml": `
// LDML is the top-level type for locale-specific data.
`,
"collation": `
// Collation contains rules that specify a certain sort-order,
// as a tailoring of the root order.
// The parsed rules are obtained by passing a RuleProcessor to Collation's
// Process method.
`,
"calendar": `
// Calendar specifies the fields used for formatting and parsing dates and times.
// The month and quarter names are identified numerically, starting at 1.
// The day (of the week) names are identified with short strings, since there is
// no universally-accepted numeric designation.
`,
"dates": `
// Dates contains information regarding the format and parsing of dates and times.
`,
"localeDisplayNames": `
// LocaleDisplayNames specifies localized display names for for scripts, languages,
// countries, currencies, and variants.
`,
"numbers": `
// Numbers supplies information for formatting and parsing numbers and currencies.
`,
}
type element struct {
name string // XML element name
category string // elements contained by this element
signature string // category + attrKey*
attr []*attribute // attributes supported by this element.
sub []struct { // parsed and evaluated sub elements of this element.
e *element
repeat bool // true if the element needs to be a slice
}
resolved bool // prevent multiple resolutions of this element.
}
type attribute struct {
name string
key string
list []string
tag string // Go tag
}
var (
reHead = regexp.MustCompile(` *(\w+) +([\w\-]+)`)
reAttr = regexp.MustCompile(` *(\w+) *(?:(\w+)|\(([\w\- \|]+)\)) *(?:#([A-Z]*) *(?:\"([\.\d+])\")?)? *("[\w\-:]*")?`)
reElem = regexp.MustCompile(`^ *(EMPTY|ANY|\(.*\)[\*\+\?]?) *$`)
reToken = regexp.MustCompile(`\w\-`)
)
// builder is used to read in the DTD files from CLDR and generate Go code
// to be used with the encoding/xml package.
type builder struct {
w io.Writer
index map[string]*element
elem []*element
info dtd
version string
}
func makeBuilder(w io.Writer, d dtd) builder {
return builder{
w: w,
index: make(map[string]*element),
elem: []*element{},
info: d,
}
}
// parseDTD parses a DTD file.
func (b *builder) parseDTD(r io.Reader) {
for d := xml.NewDecoder(r); ; {
t, err := d.Token()
if t == nil {
break
}
failOnError(err)
dir, ok := t.(xml.Directive)
if !ok {
continue
}
m := reHead.FindSubmatch(dir)
dir = dir[len(m[0]):]
ename := string(m[2])
el, elementFound := b.index[ename]
switch string(m[1]) {
case "ELEMENT":
if elementFound {
log.Fatal("parseDTD: duplicate entry for element %q", ename)
}
m := reElem.FindSubmatch(dir)
if m == nil {
log.Fatalf("parseDTD: invalid element %q", string(dir))
}
if len(m[0]) != len(dir) {
log.Fatal("parseDTD: invalid element %q", string(dir), len(dir), len(m[0]), string(m[0]))
}
s := string(m[1])
el = &element{
name: ename,
category: s,
}
b.index[ename] = el
case "ATTLIST":
if !elementFound {
log.Fatalf("parseDTD: unknown element %q", ename)
}
s := string(dir)
m := reAttr.FindStringSubmatch(s)
if m == nil {
log.Fatal(fmt.Errorf("parseDTD: invalid attribute %q", string(dir)))
}
if m[4] == "FIXED" {
b.version = m[5]
} else {
switch m[1] {
case "draft", "references", "alt", "validSubLocales", "standard" /* in Common */ :
case "type", "choice":
default:
el.attr = append(el.attr, &attribute{
name: m[1],
key: s,
list: reToken.FindAllString(m[3], -1),
})
el.signature = fmt.Sprintf("%s=%s+%s", el.signature, m[1], m[2])
}
}
}
}
}
var reCat = regexp.MustCompile(`[ ,\|]*(?:(\(|\)|\#?[\w_-]+)([\*\+\?]?))?`)
// resolve takes a parsed element and converts it into structured data
// that can be used to generate the XML code.
func (b *builder) resolve(e *element) {
if e.resolved {
return
}
b.elem = append(b.elem, e)
e.resolved = true
s := e.category
found := make(map[string]bool)
sequenceStart := []int{}
for len(s) > 0 {
m := reCat.FindStringSubmatch(s)
if m == nil {
log.Fatalf("%s: invalid category string %q", e.name, s)
}
repeat := m[2] == "*" || m[2] == "+" || in(b.info.forceRepeat, m[1])
switch m[1] {
case "":
case "(":
sequenceStart = append(sequenceStart, len(e.sub))
case ")":
if len(sequenceStart) == 0 {
log.Fatalf("%s: unmatched closing parenthesis", e.name)
}
for i := sequenceStart[len(sequenceStart)-1]; i < len(e.sub); i++ {
e.sub[i].repeat = e.sub[i].repeat || repeat
}
sequenceStart = sequenceStart[:len(sequenceStart)-1]
default:
if in(b.info.skipElem, m[1]) {
} else if sub, ok := b.index[m[1]]; ok {
if !found[sub.name] {
e.sub = append(e.sub, struct {
e *element
repeat bool
}{sub, repeat})
found[sub.name] = true
b.resolve(sub)
}
} else if m[1] == "#PCDATA" || m[1] == "ANY" {
} else if m[1] != "EMPTY" {
log.Fatalf("resolve:%s: element %q not found", e.name, m[1])
}
}
s = s[len(m[0]):]
}
}
// return true if s is contained in set.
func in(set []string, s string) bool {
for _, v := range set {
if v == s {
return true
}
}
return false
}
var repl = strings.NewReplacer("-", " ", "_", " ")
// title puts the first character or each character following '_' in title case and
// removes all occurrences of '_'.
func title(s string) string {
return strings.Replace(strings.Title(repl.Replace(s)), " ", "", -1)
}
// writeElem generates Go code for a single element, recursively.
func (b *builder) writeElem(tab int, e *element) {
p := func(f string, x ...interface{}) {
f = strings.Replace(f, "\n", "\n"+strings.Repeat("\t", tab), -1)
fmt.Fprintf(b.w, f, x...)
}
if len(e.sub) == 0 && len(e.attr) == 0 {
p("Common")
return
}
p("struct {")
tab++
p("\nCommon")
for _, attr := range e.attr {
if !in(b.info.skipAttr, attr.name) {
p("\n%s string `xml:\"%s,attr\"`", title(attr.name), attr.name)
}
}
for _, sub := range e.sub {
if in(b.info.predefined, sub.e.name) {
p("\n%sElem", sub.e.name)
continue
}
if in(b.info.skipElem, sub.e.name) {
continue
}
p("\n%s ", title(sub.e.name))
if sub.repeat {
p("[]")
}
p("*")
if in(b.info.top, sub.e.name) {
p(title(sub.e.name))
} else {
b.writeElem(tab, sub.e)
}
p(" `xml:\"%s\"`", sub.e.name)
}
tab--
p("\n}")
}
// write generates the Go XML code.
func (b *builder) write() {
for i, name := range b.info.top {
e := b.index[name]
if e != nil {
fmt.Fprintf(b.w, comments[name])
name := title(e.name)
if i == 0 {
name = b.info.root
}
fmt.Fprintf(b.w, "type %s ", name)
b.writeElem(0, e)
fmt.Fprint(b.w, "\n")
}
}
}
vendor/gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr/resolve.go deleted 100644 → 0
View file @ a40ef343
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cldr
// This file implements the various inheritance constructs defined by LDML.
// See http://www.unicode.org/reports/tr35/#Inheritance_and_Validity
// for more details.
import (
"fmt"
"log"
"reflect"
"regexp"
"sort"
"strings"
)
// fieldIter iterates over fields in a struct. It includes
// fields of embedded structs.
type fieldIter struct {
v reflect.Value
index, n []int
}
func iter(v reflect.Value) fieldIter {
if v.Kind() != reflect.Struct {
log.Panicf("value %v must be a struct", v)
}
i := fieldIter{
v: v,
index: []int{0},
n: []int{v.NumField()},
}
i.descent()
return i
}
func (i *fieldIter) descent() {
for f := i.field(); f.Anonymous && f.Type.NumField() > 0; f = i.field() {
i.index = append(i.index, 0)
i.n = append(i.n, f.Type.NumField())
}
}
func (i *fieldIter) done() bool {
return len(i.index) == 1 && i.index[0] >= i.n[0]
}
func skip(f reflect.StructField) bool {
return !f.Anonymous && (f.Name[0] < 'A' || f.Name[0] > 'Z')
}
func (i *fieldIter) next() {
for {
k := len(i.index) - 1
i.index[k]++
if i.index[k] < i.n[k] {
if !skip(i.field()) {
break
}
} else {
if k == 0 {
return
}
i.index = i.index[:k]
i.n = i.n[:k]
}
}
i.descent()
}
func (i *fieldIter) value() reflect.Value {
return i.v.FieldByIndex(i.index)
}
func (i *fieldIter) field() reflect.StructField {
return i.v.Type().FieldByIndex(i.index)
}
type visitor func(v reflect.Value) error
var stopDescent = fmt.Errorf("do not recurse")
func (f visitor) visit(x interface{}) error {
return f.visitRec(reflect.ValueOf(x))
}
// visit recursively calls f on all nodes in v.
func (f visitor) visitRec(v reflect.Value) error {
if v.Kind() == reflect.Ptr {
if v.IsNil() {
return nil
}
return f.visitRec(v.Elem())
}
if err := f(v); err != nil {
if err == stopDescent {
return nil
}
return err
}
switch v.Kind() {
case reflect.Struct:
for i := iter(v); !i.done(); i.next() {
if err := f.visitRec(i.value()); err != nil {
return err
}
}
case reflect.Slice:
for i := 0; i < v.Len(); i++ {
if err := f.visitRec(v.Index(i)); err != nil {
return err
}
}
}
return nil
}
// getPath is used for error reporting purposes only.
func getPath(e Elem) string {
if e == nil {
return "<nil>"
}
if e.enclosing() == nil {
return e.GetCommon().name
}
if e.GetCommon().Type == "" {
return fmt.Sprintf("%s.%s", getPath(e.enclosing()), e.GetCommon().name)
}
return fmt.Sprintf("%s.%s[type=%s]", getPath(e.enclosing()), e.GetCommon().name, e.GetCommon().Type)
}
// xmlName returns the xml name of the element or attribute
func xmlName(f reflect.StructField) (name string, attr bool) {
tags := strings.Split(f.Tag.Get("xml"), ",")
for _, s := range tags {
attr = attr || s == "attr"
}
return tags[0], attr
}
func findField(v reflect.Value, key string) (reflect.Value, error) {
v = reflect.Indirect(v)
for i := iter(v); !i.done(); i.next() {
if n, _ := xmlName(i.field()); n == key {
return i.value(), nil
}
}
return reflect.Value{}, fmt.Errorf("cldr: no field %q in element %#v", key, v.Interface())
}
var xpathPart = regexp.MustCompile(`(\pL+)(?:\[@(\pL+)='([\w-]+)'\])?`)
func walkXPath(e Elem, path string) (res Elem, err error) {
for _, c := range strings.Split(path, "/") {
if c == ".." {
if e = e.enclosing(); e == nil {
panic("path ..")
return nil, fmt.Errorf(`cldr: ".." moves past root in path %q`, path)
}
continue
} else if c == "" {
continue
}
m := xpathPart.FindStringSubmatch(c)
if len(m) == 0 || len(m[0]) != len(c) {
return nil, fmt.Errorf("cldr: syntax error in path component %q", c)
}
v, err := findField(reflect.ValueOf(e), m[1])
if err != nil {
return nil, err
}
switch v.Kind() {
case reflect.Slice:
i := 0
if m[2] != "" || v.Len() > 1 {
if m[2] == "" {
m[2] = "type"
if m[3] = e.GetCommon().Default(); m[3] == "" {
return nil, fmt.Errorf("cldr: type selector or default value needed for element %s", m[1])
}
}
for ; i < v.Len(); i++ {
vi := v.Index(i)
key, err := findField(vi.Elem(), m[2])
if err != nil {
return nil, err
}
key = reflect.Indirect(key)
if key.Kind() == reflect.String && key.String() == m[3] {
break
}
}
}
if i == v.Len() || v.Index(i).IsNil() {
return nil, fmt.Errorf("no %s found with %s==%s", m[1], m[2], m[3])
}
e = v.Index(i).Interface().(Elem)
case reflect.Ptr:
if v.IsNil() {
return nil, fmt.Errorf("cldr: element %q not found within element %q", m[1], e.GetCommon().name)
}
var ok bool
if e, ok = v.Interface().(Elem); !ok {
return nil, fmt.Errorf("cldr: %q is not an XML element", m[1])
} else if m[2] != "" || m[3] != "" {
return nil, fmt.Errorf("cldr: no type selector allowed for element %s", m[1])
}
default:
return nil, fmt.Errorf("cldr: %q is not an XML element", m[1])
}
}
return e, nil
}
const absPrefix = "//ldml/"
func (cldr *CLDR) resolveAlias(e Elem, src, path string) (res Elem, err error) {
if src != "locale" {
if !strings.HasPrefix(path, absPrefix) {
return nil, fmt.Errorf("cldr: expected absolute path, found %q", path)
}
path = path[len(absPrefix):]
if e, err = cldr.resolve(src); err != nil {
return nil, err
}
}
return walkXPath(e, path)
}
func (cldr *CLDR) resolveAndMergeAlias(e Elem) error {
alias := e.GetCommon().Alias
if alias == nil {
return nil
}
a, err := cldr.resolveAlias(e, alias.Source, alias.Path)
if err != nil {
return fmt.Errorf("%v: error evaluating path %q: %v", getPath(e), alias.Path, err)
}
// Ensure alias node was already evaluated. TODO: avoid double evaluation.
err = cldr.resolveAndMergeAlias(a)
v := reflect.ValueOf(e).Elem()
for i := iter(reflect.ValueOf(a).Elem()); !i.done(); i.next() {
if vv := i.value(); vv.Kind() != reflect.Ptr || !vv.IsNil() {
if _, attr := xmlName(i.field()); !attr {
v.FieldByIndex(i.index).Set(vv)
}
}
}
return err
}
func (cldr *CLDR) aliasResolver() visitor {
return func(v reflect.Value) (err error) {
if e, ok := v.Addr().Interface().(Elem); ok {
err = cldr.resolveAndMergeAlias(e)
if err == nil && blocking[e.GetCommon().name] {
return stopDescent
}
}
return err
}
}
// elements within blocking elements do not inherit.
// Taken from CLDR's supplementalMetaData.xml.
var blocking = map[string]bool{
"identity": true,
"supplementalData": true,
"cldrTest": true,
"collation": true,
"transform": true,
}
// Distinguishing attributes affect inheritance; two elements with different
// distinguishing attributes are treated as different for purposes of inheritance,
// except when such attributes occur in the indicated elements.
// Taken from CLDR's supplementalMetaData.xml.
var distinguishing = map[string][]string{
"key": nil,
"request_id": nil,
"id": nil,
"registry": nil,
"alt": nil,
"iso4217": nil,
"iso3166": nil,
"mzone": nil,
"from": nil,
"to": nil,
"type": []string{
"abbreviationFallback",
"default",
"mapping",
"measurementSystem",
"preferenceOrdering",
},
"numberSystem": nil,
}
func in(set []string, s string) bool {
for _, v := range set {
if v == s {
return true
}
}
return false
}
// attrKey computes a key based on the distinguishable attributes of
// an element and it's values.
func attrKey(v reflect.Value, exclude ...string) string {
parts := []string{}
ename := v.Interface().(Elem).GetCommon().name
v = v.Elem()
for i := iter(v); !i.done(); i.next() {
if name, attr := xmlName(i.field()); attr {
if except, ok := distinguishing[name]; ok && !in(exclude, name) && !in(except, ename) {
v := i.value()
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
if v.IsValid() {
parts = append(parts, fmt.Sprintf("%s=%s", name, v.String()))
}
}
}
}
sort.Strings(parts)
return strings.Join(parts, ";")
}
// Key returns a key for e derived from all distinguishing attributes
// except those specified by exclude.
func Key(e Elem, exclude ...string) string {
return attrKey(reflect.ValueOf(e), exclude...)
}
// linkEnclosing sets the enclosing element as well as the name
// for all sub-elements of child, recursively.
func linkEnclosing(parent, child Elem) {
child.setEnclosing(parent)
v := reflect.ValueOf(child).Elem()
for i := iter(v); !i.done(); i.next() {
vf := i.value()
if vf.Kind() == reflect.Slice {
for j := 0; j < vf.Len(); j++ {
linkEnclosing(child, vf.Index(j).Interface().(Elem))
}
} else if vf.Kind() == reflect.Ptr && !vf.IsNil() && vf.Elem().Kind() == reflect.Struct {
linkEnclosing(child, vf.Interface().(Elem))
}
}
}
func setNames(e Elem, name string) {
e.setName(name)
v := reflect.ValueOf(e).Elem()
for i := iter(v); !i.done(); i.next() {
vf := i.value()
name, _ = xmlName(i.field())
if vf.Kind() == reflect.Slice {
for j := 0; j < vf.Len(); j++ {
setNames(vf.Index(j).Interface().(Elem), name)
}
} else if vf.Kind() == reflect.Ptr && !vf.IsNil() && vf.Elem().Kind() == reflect.Struct {
setNames(vf.Interface().(Elem), name)
}
}
}
// deepCopy copies elements of v recursively. All elements of v that may
// be modified by inheritance are explicitly copied.
func deepCopy(v reflect.Value) reflect.Value {
switch v.Kind() {
case reflect.Ptr:
if v.IsNil() || v.Elem().Kind() != reflect.Struct {
return v
}
nv := reflect.New(v.Elem().Type())
nv.Elem().Set(v.Elem())
deepCopyRec(nv.Elem(), v.Elem())
return nv
case reflect.Slice:
nv := reflect.MakeSlice(v.Type(), v.Len(), v.Len())
for i := 0; i < v.Len(); i++ {
deepCopyRec(nv.Index(i), v.Index(i))
}
return nv
}
panic("deepCopy: must be called with pointer or slice")
}
// deepCopyRec is only called by deepCopy.
func deepCopyRec(nv, v reflect.Value) {
if v.Kind() == reflect.Struct {
t := v.Type()
for i := 0; i < v.NumField(); i++ {
if name, attr := xmlName(t.Field(i)); name != "" && !attr {
deepCopyRec(nv.Field(i), v.Field(i))
}
}
} else {
nv.Set(deepCopy(v))
}
}
// newNode is used to insert a missing node during inheritance.
func (cldr *CLDR) newNode(v, enc reflect.Value) reflect.Value {
n := reflect.New(v.Type())
for i := iter(v); !i.done(); i.next() {
if name, attr := xmlName(i.field()); name == "" || attr {
n.Elem().FieldByIndex(i.index).Set(i.value())
}
}
n.Interface().(Elem).GetCommon().setEnclosing(enc.Addr().Interface().(Elem))
return n
}
// v, parent must be pointers to struct
func (cldr *CLDR) inheritFields(v, parent reflect.Value) (res reflect.Value, err error) {
t := v.Type()
nv := reflect.New(t)
nv.Elem().Set(v)
for i := iter(v); !i.done(); i.next() {
vf := i.value()
f := i.field()
name, attr := xmlName(f)
if name == "" || attr {
continue
}
pf := parent.FieldByIndex(i.index)
if blocking[name] {
if vf.IsNil() {
vf = pf
}
nv.Elem().FieldByIndex(i.index).Set(deepCopy(vf))
continue
}
switch f.Type.Kind() {
case reflect.Ptr:
if f.Type.Elem().Kind() == reflect.Struct {
if !vf.IsNil() {
if vf, err = cldr.inheritStructPtr(vf, pf); err != nil {
return reflect.Value{}, err
}
vf.Interface().(Elem).setEnclosing(nv.Interface().(Elem))
nv.Elem().FieldByIndex(i.index).Set(vf)
} else if !pf.IsNil() {
n := cldr.newNode(pf.Elem(), v)
if vf, err = cldr.inheritStructPtr(n, pf); err != nil {
return reflect.Value{}, err
}
vf.Interface().(Elem).setEnclosing(nv.Interface().(Elem))
nv.Elem().FieldByIndex(i.index).Set(vf)
}
}
case reflect.Slice:
vf, err := cldr.inheritSlice(nv.Elem(), vf, pf)
if err != nil {
return reflect.Zero(t), err
}
nv.Elem().FieldByIndex(i.index).Set(vf)
}
}
return nv, nil
}
func root(e Elem) *LDML {
for ; e.enclosing() != nil; e = e.enclosing() {
}
return e.(*LDML)
}
// inheritStructPtr first merges possible aliases in with v and then inherits
// any underspecified elements from parent.
func (cldr *CLDR) inheritStructPtr(v, parent reflect.Value) (r reflect.Value, err error) {
if !v.IsNil() {
e := v.Interface().(Elem).GetCommon()
alias := e.Alias
if alias == nil && !parent.IsNil() {
alias = parent.Interface().(Elem).GetCommon().Alias
}
if alias != nil {
a, err := cldr.resolveAlias(v.Interface().(Elem), alias.Source, alias.Path)
if a != nil {
if v, err = cldr.inheritFields(v.Elem(), reflect.ValueOf(a).Elem()); err != nil {
return reflect.Value{}, err
}
}
}
if !parent.IsNil() {
return cldr.inheritFields(v.Elem(), parent.Elem())
}
} else if parent.IsNil() {
panic("should not reach here")
}
return v, nil
}
// Must be slice of struct pointers.
func (cldr *CLDR) inheritSlice(enc, v, parent reflect.Value) (res reflect.Value, err error) {
t := v.Type()
index := make(map[string]reflect.Value)
if !v.IsNil() {
for i := 0; i < v.Len(); i++ {
vi := v.Index(i)
key := attrKey(vi)
index[key] = vi
}
}
if !parent.IsNil() {
for i := 0; i < parent.Len(); i++ {
vi := parent.Index(i)
key := attrKey(vi)
if w, ok := index[key]; ok {
index[key], err = cldr.inheritStructPtr(w, vi)
} else {
n := cldr.newNode(vi.Elem(), enc)
index[key], err = cldr.inheritStructPtr(n, vi)
}
index[key].Interface().(Elem).setEnclosing(enc.Addr().Interface().(Elem))
if err != nil {
return v, err
}
}
}
keys := make([]string, 0, len(index))
for k, _ := range index {
keys = append(keys, k)
}
sort.Strings(keys)
sl := reflect.MakeSlice(t, len(index), len(index))
for i, k := range keys {
sl.Index(i).Set(index[k])
}
return sl, nil
}
func parentLocale(loc string) string {
parts := strings.Split(loc, "_")
if len(parts) == 1 {
return "root"
}
parts = parts[:len(parts)-1]
key := strings.Join(parts, "_")
return key
}
func (cldr *CLDR) resolve(loc string) (res *LDML, err error) {
if r := cldr.resolved[loc]; r != nil {
return r, nil
}
x := cldr.RawLDML(loc)
if x == nil {
return nil, fmt.Errorf("cldr: unknown locale %q", loc)
}
var v reflect.Value
if loc == "root" {
x = deepCopy(reflect.ValueOf(x)).Interface().(*LDML)
linkEnclosing(nil, x)
err = cldr.aliasResolver().visit(x)
} else {
key := parentLocale(loc)
var parent *LDML
for ; cldr.locale[key] == nil; key = parentLocale(key) {
}
if parent, err = cldr.resolve(key); err != nil {
return nil, err
}
v, err = cldr.inheritFields(reflect.ValueOf(x).Elem(), reflect.ValueOf(parent).Elem())
x = v.Interface().(*LDML)
linkEnclosing(nil, x)
}
if err != nil {
return nil, err
}
cldr.resolved[loc] = x
return x, err
}
// finalize finalizes the initialization of the raw LDML structs. It also
// removed unwanted fields, as specified by filter, so that they will not
// be unnecessarily evaluated.
func (cldr *CLDR) finalize(filter []string) {
for _, x := range cldr.locale {
if filter != nil {
v := reflect.ValueOf(x).Elem()
t := v.Type()
for i := 0; i < v.NumField(); i++ {
f := t.Field(i)
name, _ := xmlName(f)
if name != "" && name != "identity" && !in(filter, name) {
v.Field(i).Set(reflect.Zero(f.Type))
}
}
}
linkEnclosing(nil, x) // for resolving aliases and paths
setNames(x, "ldml")
}
}
vendor/gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr/resolve_test.go deleted 100644 → 0
View file @ a40ef343
package cldr
import (
"fmt"
"log"
"reflect"
"testing"
)
func failOnError(err error) {
if err != nil {
log.Panic(err)
}
}
func data() *CLDR {
d := Decoder{}
data, err := d.Decode(testLoader{})
failOnError(err)
return data
}
type h struct {
A string `xml:"ha,attr"`
E string `xml:"he"`
D string `xml:",chardata"`
X string
}
type fieldTest struct {
Common
To string `xml:"to,attr"`
Key string `xml:"key,attr"`
E string `xml:"e"`
D string `xml:",chardata"`
X string
h
}
var testStruct = fieldTest{
Common: Common{
name: "mapping", // exclude "type" as distinguising attribute
Type: "foo",
Alt: "foo",
},
To: "nyc",
Key: "k",
E: "E",
D: "D",
h: h{
A: "A",
E: "E",
D: "D",
},
}
func TestIter(t *testing.T) {
tests := map[string]string{
"Type": "foo",
"Alt": "foo",
"To": "nyc",
"A": "A",
"Alias": "<nil>",
}
k := 0
for i := iter(reflect.ValueOf(testStruct)); !i.done(); i.next() {
v := i.value()
if v.Kind() == reflect.Ptr && v.Elem().Kind() == reflect.String {
v = v.Elem()
}
name := i.field().Name
if w, ok := tests[name]; ok {
s := fmt.Sprint(v.Interface())
if w != s {
t.Errorf("value: found %q; want %q", w, s)
}
delete(tests, name)
}
k++
}
if len(tests) != 0 {
t.Errorf("missing fields: %v", tests)
}
}
func TestFindField(t *testing.T) {
tests := []struct {
name, val string
exist bool
}{
{"type", "foo", true},
{"alt", "foo", true},
{"to", "nyc", true},
{"he", "E", true},
{"q", "", false},
}
vf := reflect.ValueOf(testStruct)
for i, tt := range tests {
v, err := findField(vf, tt.name)
if (err == nil) != tt.exist {
t.Errorf("%d: field %q present is %v; want %v", i, tt.name, err == nil, tt.exist)
} else if tt.exist {
if v.Kind() == reflect.Ptr {
if v.IsNil() {
continue
}
v = v.Elem()
}
if v.String() != tt.val {
t.Errorf("%d: found value %q; want %q", i, v.String(), tt.val)
}
}
}
}
var keyTests = []struct {
exclude []string
key string
}{
{[]string{}, "alt=foo;key=k;to=nyc"},
{[]string{"type"}, "alt=foo;key=k;to=nyc"},
{[]string{"choice"}, "alt=foo;key=k;to=nyc"},
{[]string{"alt"}, "key=k;to=nyc"},
{[]string{"a"}, "alt=foo;key=k;to=nyc"},
{[]string{"to"}, "alt=foo;key=k"},
{[]string{"alt", "to"}, "key=k"},
{[]string{"alt", "to", "key"}, ""},
}
func TestAttrKey(t *testing.T) {
v := reflect.ValueOf(&testStruct)
for i, tt := range keyTests {
key := attrKey(v, tt.exclude...)
if key != tt.key {
t.Errorf("%d: found %q, want %q", i, key, tt.key)
}
}
}
func TestKey(t *testing.T) {
for i, tt := range keyTests {
key := Key(&testStruct, tt.exclude...)
if key != tt.key {
t.Errorf("%d: found %q, want %q", i, key, tt.key)
}
}
}
func testEnclosing(t *testing.T, x *LDML, name string) {
eq := func(a, b Elem, i int) {
for ; i > 0; i-- {
b = b.enclosing()
}
if a != b {
t.Errorf("%s: found path %q, want %q", name, getPath(a), getPath(b))
}
}
eq(x, x, 0)
eq(x, x.Identity, 1)
eq(x, x.Dates.Calendars, 2)
eq(x, x.Dates.Calendars.Calendar[0], 3)
eq(x, x.Dates.Calendars.Calendar[1], 3)
//eq(x, x.Dates.Calendars.Calendar[0].Months, 4)
eq(x, x.Dates.Calendars.Calendar[1].Months, 4)
}
func TestEnclosing(t *testing.T) {
testEnclosing(t, data().RawLDML("de"), "enclosing-raw")
de, _ := data().LDML("de")
testEnclosing(t, de, "enclosing")
}
func TestDeepCopy(t *testing.T) {
eq := func(have, want string) {
if have != want {
t.Errorf("found %q; want %q", have, want)
}
}
x, _ := data().LDML("de")
vc := deepCopy(reflect.ValueOf(x))
c := vc.Interface().(*LDML)
linkEnclosing(nil, c)
if x == c {
t.Errorf("did not copy")
}
eq(c.name, "ldml")
eq(c.Dates.name, "dates")
testEnclosing(t, c, "deepCopy")
}
type getTest struct {
loc string
path string
field string // used in combination with length
data string
altData string // used for buddhist calendar if value != ""
typ string
length int
missing bool
}
const (
budMon = "dates/calendars/calendar[@type='buddhist']/months/"
chnMon = "dates/calendars/calendar[@type='chinese']/months/"
greMon = "dates/calendars/calendar[@type='gregorian']/months/"
)
func monthVal(path, context, width string, month int) string {
const format = "%s/monthContext[@type='%s']/monthWidth[@type='%s']/month[@type='%d']"
return fmt.Sprintf(format, path, context, width, month)
}
var rootGetTests = []getTest{
{loc: "root", path: "identity/language", typ: "root"},
{loc: "root", path: "characters/moreInformation", data: "?"},
{loc: "root", path: "characters", field: "exemplarCharacters", length: 3},
{loc: "root", path: greMon, field: "monthContext", length: 2},
{loc: "root", path: greMon + "monthContext[@type='format']/monthWidth[@type='narrow']", field: "month", length: 4},
{loc: "root", path: greMon + "monthContext[@type='stand-alone']/monthWidth[@type='wide']", field: "month", length: 4},
// unescaping character data
{loc: "root", path: "characters/exemplarCharacters[@type='punctuation']", data: `[\- ‐ – — … ' ‘ ‚ " “ „ \& #]`},
// default resolution
{loc: "root", path: "dates/calendars/calendar", typ: "gregorian"},
// alias resolution
{loc: "root", path: budMon, field: "monthContext", length: 2},
// crossing but non-circular alias resolution
{loc: "root", path: budMon + "monthContext[@type='format']/monthWidth[@type='narrow']", field: "month", length: 4},
{loc: "root", path: budMon + "monthContext[@type='stand-alone']/monthWidth[@type='wide']", field: "month", length: 4},
{loc: "root", path: monthVal(greMon, "format", "wide", 1), data: "11"},
{loc: "root", path: monthVal(greMon, "format", "narrow", 2), data: "2"},
{loc: "root", path: monthVal(greMon, "stand-alone", "wide", 3), data: "33"},
{loc: "root", path: monthVal(greMon, "stand-alone", "narrow", 4), data: "4"},
{loc: "root", path: monthVal(budMon, "format", "wide", 1), data: "11"},
{loc: "root", path: monthVal(budMon, "format", "narrow", 2), data: "2"},
{loc: "root", path: monthVal(budMon, "stand-alone", "wide", 3), data: "33"},
{loc: "root", path: monthVal(budMon, "stand-alone", "narrow", 4), data: "4"},
}
// 19
var deGetTests = []getTest{
{loc: "de", path: "identity/language", typ: "de"},
{loc: "de", path: "posix", length: 2},
{loc: "de", path: "characters", field: "exemplarCharacters", length: 4},
{loc: "de", path: "characters/exemplarCharacters[@type='auxiliary']", data: `[á à ă]`},
// identity is a blocking element, so de should not inherit generation from root.
{loc: "de", path: "identity/generation", missing: true},
// default resolution
{loc: "root", path: "dates/calendars/calendar", typ: "gregorian"},
// absolute path alias resolution
{loc: "gsw", path: "posix", field: "messages", length: 1},
{loc: "gsw", path: "posix/messages/yesstr", data: "yes:y"},
}
// 27(greMon) - 52(budMon) - 77(chnMon)
func calGetTests(s string) []getTest {
tests := []getTest{
{loc: "de", path: s, length: 2},
{loc: "de", path: s + "monthContext[@type='format']/monthWidth[@type='wide']", field: "month", length: 5},
{loc: "de", path: monthVal(s, "format", "wide", 1), data: "11"},
{loc: "de", path: monthVal(s, "format", "wide", 2), data: "22"},
{loc: "de", path: monthVal(s, "format", "wide", 3), data: "Maerz", altData: "bbb"},
{loc: "de", path: monthVal(s, "format", "wide", 4), data: "April"},
{loc: "de", path: monthVal(s, "format", "wide", 5), data: "Mai"},
{loc: "de", path: s + "monthContext[@type='format']/monthWidth[@type='narrow']", field: "month", length: 5},
{loc: "de", path: monthVal(s, "format", "narrow", 1), data: "1"},
{loc: "de", path: monthVal(s, "format", "narrow", 2), data: "2"},
{loc: "de", path: monthVal(s, "format", "narrow", 3), data: "M", altData: "BBB"},
{loc: "de", path: monthVal(s, "format", "narrow", 4), data: "A"},
{loc: "de", path: monthVal(s, "format", "narrow", 5), data: "m"},
{loc: "de", path: s + "monthContext[@type='stand-alone']/monthWidth[@type='wide']", field: "month", length: 5},
{loc: "de", path: monthVal(s, "stand-alone", "wide", 1), data: "11"},
{loc: "de", path: monthVal(s, "stand-alone", "wide", 2), data: "22"},
{loc: "de", path: monthVal(s, "stand-alone", "wide", 3), data: "Maerz", altData: "bbb"},
{loc: "de", path: monthVal(s, "stand-alone", "wide", 4), data: "april"},
{loc: "de", path: monthVal(s, "stand-alone", "wide", 5), data: "mai"},
{loc: "de", path: s + "monthContext[@type='stand-alone']/monthWidth[@type='narrow']", field: "month", length: 5},
{loc: "de", path: monthVal(s, "stand-alone", "narrow", 1), data: "1"},
{loc: "de", path: monthVal(s, "stand-alone", "narrow", 2), data: "2"},
{loc: "de", path: monthVal(s, "stand-alone", "narrow", 3), data: "m"},
{loc: "de", path: monthVal(s, "stand-alone", "narrow", 4), data: "4"},
{loc: "de", path: monthVal(s, "stand-alone", "narrow", 5), data: "m"},
}
if s == budMon {
for i, t := range tests {
if t.altData != "" {
tests[i].data = t.altData
}
}
}
return tests
}
var getTests = append(rootGetTests,
append(deGetTests,
append(calGetTests(greMon),
append(calGetTests(budMon),
calGetTests(chnMon)...)...)...)...)
func TestPath(t *testing.T) {
d := data()
for i, tt := range getTests {
x, _ := d.LDML(tt.loc)
e, err := walkXPath(x, tt.path)
if err != nil {
if !tt.missing {
t.Errorf("%d:error: %v %v", i, err, tt.missing)
}
continue
}
if tt.missing {
t.Errorf("%d: missing is %v; want %v", i, e == nil, tt.missing)
continue
}
if tt.data != "" && e.GetCommon().Data() != tt.data {
t.Errorf("%d: data is %v; want %v", i, e.GetCommon().Data(), tt.data)
continue
}
if tt.typ != "" && e.GetCommon().Type != tt.typ {
t.Errorf("%d: type is %v; want %v", i, e.GetCommon().Type, tt.typ)
continue
}
if tt.field != "" {
slice, _ := findField(reflect.ValueOf(e), tt.field)
if slice.Len() != tt.length {
t.Errorf("%d: length is %v; want %v", i, slice.Len(), tt.length)
continue
}
}
}
}
func TestGet(t *testing.T) {
d := data()
for i, tt := range getTests {
x, _ := d.LDML(tt.loc)
e, err := Get(x, tt.path)
if err != nil {
if !tt.missing {
t.Errorf("%d:error: %v %v", i, err, tt.missing)
}
continue
}
if tt.missing {
t.Errorf("%d: missing is %v; want %v", i, e == nil, tt.missing)
continue
}
if tt.data != "" && e.GetCommon().Data() != tt.data {
t.Errorf("%d: data is %v; want %v", i, e.GetCommon().Data(), tt.data)
continue
}
if tt.typ != "" && e.GetCommon().Type != tt.typ {
t.Errorf("%d: type is %v; want %v", i, e.GetCommon().Type, tt.typ)
continue
}
if tt.field != "" {
slice, _ := findField(reflect.ValueOf(e), tt.field)
if slice.Len() != tt.length {
t.Errorf("%d: length is %v; want %v", i, slice.Len(), tt.length)
continue
}
}
}
}
vendor/gx/QmVgdgtv5rUcWWcHvHN1vdGkXi8UNztJ7JuT72YUJgG2ic/go-text/cldr/slice.go deleted 100644 → 0
View file @ a40ef343
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cldr
import (
"fmt"
"reflect"
"sort"
)
// Slice provides utilities for modifying slices of elements.
// It can be wrapped around any slice of which the element type implements
// interface Elem.
type Slice struct {
ptr reflect.Value
typ reflect.Type
}
// Value returns the reflect.Value of the underlying slice.
func (s *Slice) Value() reflect.Value {
return s.ptr.Elem()
}
// MakeSlice wraps a pointer to a slice of Elems.
// It replaces the array pointed to by the slice so that subsequent modifications
// do not alter the data in a CLDR type.
// It panics if an incorrect type is passed.
func MakeSlice(slicePtr interface{}) Slice {
ptr := reflect.ValueOf(slicePtr)
if ptr.Kind() != reflect.Ptr {
panic(fmt.Sprintf("MakeSlice: argument must be pointer to slice, found %v", ptr.Type()))
}
sl := ptr.Elem()
if sl.Kind() != reflect.Slice {
panic(fmt.Sprintf("MakeSlice: argument must point to a slice, found %v", sl.Type()))
}
intf := reflect.TypeOf((*Elem)(nil)).Elem()
if !sl.Type().Elem().Implements(intf) {
panic(fmt.Sprintf("MakeSlice: element type of slice (%v) does not implement Elem", sl.Type().Elem()))
}
nsl := reflect.MakeSlice(sl.Type(), sl.Len(), sl.Len())
reflect.Copy(nsl, sl)
sl.Set(nsl)
return Slice{
ptr: ptr,
typ: sl.Type().Elem().Elem(),
}
}
func (s Slice) indexForAttr(a string) []int {
for i := iter(reflect.Zero(s.typ)); !i.done(); i.next() {
if n, _ := xmlName(i.field()); n == a {
return i.index
}
}
panic(fmt.Sprintf("MakeSlice: no attribute %q for type %v", a, s.typ))
}
// Filter filters s to only include elements for which fn returns true.
func (s Slice) Filter(fn func(e Elem) bool) {
k := 0
sl := s.Value()
for i := 0; i < sl.Len(); i++ {
vi := sl.Index(i)
if fn(vi.Interface().(Elem)) {
sl.Index(k).Set(vi)
k++
}
}
sl.Set(sl.Slice(0, k))
}
// Group finds elements in s for which fn returns the same value and groups
// them in a new Slice.
func (s Slice) Group(fn func(e Elem) string) []Slice {
m := make(map[string][]reflect.Value)
sl := s.Value()
for i := 0; i < sl.Len(); i++ {
vi := sl.Index(i)
key := fn(vi.Interface().(Elem))
m[key] = append(m[key], vi)
}
keys := []string{}
for k, _ := range m {
keys = append(keys, k)
}
sort.Strings(keys)
res := []Slice{}
for _, k := range keys {
nsl := reflect.New(sl.Type())
nsl.Elem().Set(reflect.Append(nsl.Elem(), m[k]...))
res = append(res, MakeSlice(nsl.Interface()))
}
return res
}
// SelectAnyOf filters s to contain only elements for which attr matches
// any of the values.
func (s Slice) SelectAnyOf(attr string, values ...string) {
index := s.indexForAttr(attr)
s.Filter(func(e Elem) bool {
vf := reflect.ValueOf(e).Elem().FieldByIndex(index)
return in(values, vf.String())
})
}
// SelectOnePerGroup filters s to include at most one element e per group of
// elements matching Key(attr), where e has an attribute a that matches any
// the values in v.
// If more than one element in a group matches a value in v preference
// is given to the element that matches the first value in v.
func (s Slice) SelectOnePerGroup(a string, v []string) {
index := s.indexForAttr(a)
grouped := s.Group(func(e Elem) string { return Key(e, a) })
sl := s.Value()
sl.Set(sl.Slice(0, 0))
for _, g := range grouped {
e := reflect.Value{}
found := len(v)
gsl := g.Value()
for i := 0; i < gsl.Len(); i++ {
vi := gsl.Index(i).Elem().FieldByIndex(index)
j := 0
for ; j < len(v) && v[j] != vi.String(); j++ {
}
if j < found {
found = j
e = gsl.Index(i)
}
}
if found < len(v) {
sl.Set(reflect.Append(sl, e))
}
}
}
// SelectDraft drops all elements from the list with a draft level smaller than d
// and selects the highest draft level of the remaining.
// This method assumes that the input CLDR is canonicalized.
func (s Slice) SelectDraft(d Draft) {
s.SelectOnePerGroup("draft", drafts[len(drafts)-2-int(d):])
}
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