From 54d3d47daf9190275bbdaf8703b84969a4593451 Mon Sep 17 00:00:00 2001 From: Corey Hulen Date: Fri, 24 Mar 2017 23:31:34 -0700 Subject: PLT-6076 Adding viper libs for config file changes (#5871) * Adding viper libs for config file changes * Removing the old fsnotify lib * updating some missing libs --- .../golang.org/x/text/language/display/display.go | 343 +++++++++++++++++++++ 1 file changed, 343 insertions(+) create mode 100644 vendor/golang.org/x/text/language/display/display.go (limited to 'vendor/golang.org/x/text/language/display/display.go') diff --git a/vendor/golang.org/x/text/language/display/display.go b/vendor/golang.org/x/text/language/display/display.go new file mode 100644 index 000000000..738afa496 --- /dev/null +++ b/vendor/golang.org/x/text/language/display/display.go @@ -0,0 +1,343 @@ +// Copyright 2014 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. + +//go:generate go run maketables.go -output tables.go + +// Package display provides display names for languages, scripts and regions in +// a requested language. +// +// The data is based on CLDR's localeDisplayNames. It includes the names of the +// draft level "contributed" or "approved". The resulting tables are quite +// large. The display package is designed so that users can reduce the linked-in +// table sizes by cherry picking the languages one wishes to support. There is a +// Dictionary defined for a selected set of common languages for this purpose. +package display // import "golang.org/x/text/language/display" + +import ( + "strings" + + "golang.org/x/text/language" +) + +/* +TODO: +All fairly low priority at the moment: + - Include alternative and variants as an option (using func options). + - Option for returning the empty string for undefined values. + - Support variants, currencies, time zones, option names and other data + provided in CLDR. + - Do various optimizations: + - Reduce size of offset tables. + - Consider compressing infrequently used languages and decompress on demand. +*/ + +// A Namer is used to get the name for a given value, such as a Tag, Language, +// Script or Region. +type Namer interface { + // Name returns a display string for the given value. A Namer returns an + // empty string for values it does not support. A Namer may support naming + // an unspecified value. For example, when getting the name for a region for + // a tag that does not have a defined Region, it may return the name for an + // unknown region. It is up to the user to filter calls to Name for values + // for which one does not want to have a name string. + Name(x interface{}) string +} + +var ( + // Supported lists the languages for which names are defined. + Supported language.Coverage + + // The set of all possible values for which names are defined. Note that not + // all Namer implementations will cover all the values of a given type. + // A Namer will return the empty string for unsupported values. + Values language.Coverage + + matcher language.Matcher +) + +func init() { + tags := make([]language.Tag, numSupported) + s := supported + for i := range tags { + p := strings.IndexByte(s, '|') + tags[i] = language.Raw.Make(s[:p]) + s = s[p+1:] + } + matcher = language.NewMatcher(tags) + Supported = language.NewCoverage(tags) + + Values = language.NewCoverage(langTagSet.Tags, supportedScripts, supportedRegions) +} + +// Languages returns a Namer for naming languages. It returns nil if there is no +// data for the given tag. The type passed to Name must be either language.Base +// or language.Tag. Note that the result may differ between passing a tag or its +// base language. For example, for English, passing "nl-BE" would return Flemish +// whereas passing "nl" returns "Dutch". +func Languages(t language.Tag) Namer { + if _, index, conf := matcher.Match(t); conf != language.No { + return languageNamer(index) + } + return nil +} + +type languageNamer int + +func (n languageNamer) name(i int) string { + return lookup(langHeaders[:], int(n), i) +} + +// Name implements the Namer interface for language names. +func (n languageNamer) Name(x interface{}) string { + return nameLanguage(n, x) +} + +// nonEmptyIndex walks up the parent chain until a non-empty header is found. +// It returns -1 if no index could be found. +func nonEmptyIndex(h []header, index int) int { + for ; index != -1 && h[index].data == ""; index = int(parents[index]) { + } + return index +} + +// Scripts returns a Namer for naming scripts. It returns nil if there is no +// data for the given tag. The type passed to Name must be either a +// language.Script or a language.Tag. It will not attempt to infer a script for +// tags with an unspecified script. +func Scripts(t language.Tag) Namer { + if _, index, conf := matcher.Match(t); conf != language.No { + if index = nonEmptyIndex(scriptHeaders[:], index); index != -1 { + return scriptNamer(index) + } + } + return nil +} + +type scriptNamer int + +func (n scriptNamer) name(i int) string { + return lookup(scriptHeaders[:], int(n), i) +} + +// Name implements the Namer interface for script names. +func (n scriptNamer) Name(x interface{}) string { + return nameScript(n, x) +} + +// Regions returns a Namer for naming regions. It returns nil if there is no +// data for the given tag. The type passed to Name must be either a +// language.Region or a language.Tag. It will not attempt to infer a region for +// tags with an unspecified region. +func Regions(t language.Tag) Namer { + if _, index, conf := matcher.Match(t); conf != language.No { + if index = nonEmptyIndex(regionHeaders[:], index); index != -1 { + return regionNamer(index) + } + } + return nil +} + +type regionNamer int + +func (n regionNamer) name(i int) string { + return lookup(regionHeaders[:], int(n), i) +} + +// Name implements the Namer interface for region names. +func (n regionNamer) Name(x interface{}) string { + return nameRegion(n, x) +} + +// Tags returns a Namer for giving a full description of a tag. The names of +// scripts and regions that are not already implied by the language name will +// in appended within parentheses. It returns nil if there is not data for the +// given tag. The type passed to Name must be a tag. +func Tags(t language.Tag) Namer { + if _, index, conf := matcher.Match(t); conf != language.No { + return tagNamer(index) + } + return nil +} + +type tagNamer int + +// Name implements the Namer interface for tag names. +func (n tagNamer) Name(x interface{}) string { + return nameTag(languageNamer(n), scriptNamer(n), regionNamer(n), x) +} + +// lookup finds the name for an entry in a global table, traversing the +// inheritance hierarchy if needed. +func lookup(table []header, dict, want int) string { + for dict != -1 { + if s := table[dict].name(want); s != "" { + return s + } + dict = int(parents[dict]) + } + return "" +} + +// A Dictionary holds a collection of Namers for a single language. One can +// reduce the amount of data linked in to a binary by only referencing +// Dictionaries for the languages one needs to support instead of using the +// generic Namer factories. +type Dictionary struct { + parent *Dictionary + lang header + script header + region header +} + +// Tags returns a Namer for giving a full description of a tag. The names of +// scripts and regions that are not already implied by the language name will +// in appended within parentheses. It returns nil if there is not data for the +// given tag. The type passed to Name must be a tag. +func (d *Dictionary) Tags() Namer { + return dictTags{d} +} + +type dictTags struct { + d *Dictionary +} + +// Name implements the Namer interface for tag names. +func (n dictTags) Name(x interface{}) string { + return nameTag(dictLanguages{n.d}, dictScripts{n.d}, dictRegions{n.d}, x) +} + +// Languages returns a Namer for naming languages. It returns nil if there is no +// data for the given tag. The type passed to Name must be either language.Base +// or language.Tag. Note that the result may differ between passing a tag or its +// base language. For example, for English, passing "nl-BE" would return Flemish +// whereas passing "nl" returns "Dutch". +func (d *Dictionary) Languages() Namer { + return dictLanguages{d} +} + +type dictLanguages struct { + d *Dictionary +} + +func (n dictLanguages) name(i int) string { + for d := n.d; d != nil; d = d.parent { + if s := d.lang.name(i); s != "" { + return s + } + } + return "" +} + +// Name implements the Namer interface for language names. +func (n dictLanguages) Name(x interface{}) string { + return nameLanguage(n, x) +} + +// Scripts returns a Namer for naming scripts. It returns nil if there is no +// data for the given tag. The type passed to Name must be either a +// language.Script or a language.Tag. It will not attempt to infer a script for +// tags with an unspecified script. +func (d *Dictionary) Scripts() Namer { + return dictScripts{d} +} + +type dictScripts struct { + d *Dictionary +} + +func (n dictScripts) name(i int) string { + for d := n.d; d != nil; d = d.parent { + if s := d.script.name(i); s != "" { + return s + } + } + return "" +} + +// Name implements the Namer interface for script names. +func (n dictScripts) Name(x interface{}) string { + return nameScript(n, x) +} + +// Regions returns a Namer for naming regions. It returns nil if there is no +// data for the given tag. The type passed to Name must be either a +// language.Region or a language.Tag. It will not attempt to infer a region for +// tags with an unspecified region. +func (d *Dictionary) Regions() Namer { + return dictRegions{d} +} + +type dictRegions struct { + d *Dictionary +} + +func (n dictRegions) name(i int) string { + for d := n.d; d != nil; d = d.parent { + if s := d.region.name(i); s != "" { + return s + } + } + return "" +} + +// Name implements the Namer interface for region names. +func (n dictRegions) Name(x interface{}) string { + return nameRegion(n, x) +} + +// A SelfNamer implements a Namer that returns the name of language in this same +// language. It provides a very compact mechanism to provide a comprehensive +// list of languages to users in their native language. +type SelfNamer struct { + // Supported defines the values supported by this Namer. + Supported language.Coverage +} + +var ( + // Self is a shared instance of a SelfNamer. + Self *SelfNamer = &self + + self = SelfNamer{language.NewCoverage(selfTagSet.Tags)} +) + +// Name returns the name of a given language tag in the language identified by +// this tag. It supports both the language.Base and language.Tag types. +func (n SelfNamer) Name(x interface{}) string { + t, _ := language.All.Compose(x) + base, scr, reg := t.Raw() + baseScript := language.Script{} + if (scr == language.Script{} && reg != language.Region{}) { + // For looking up in the self dictionary, we need to select the + // maximized script. This is even the case if the script isn't + // specified. + s1, _ := t.Script() + if baseScript = getScript(base); baseScript != s1 { + scr = s1 + } + } + + i, scr, reg := selfTagSet.index(base, scr, reg) + if i == -1 { + return "" + } + + // Only return the display name if the script matches the expected script. + if (scr != language.Script{}) { + if (baseScript == language.Script{}) { + baseScript = getScript(base) + } + if baseScript != scr { + return "" + } + } + + return selfHeaders[0].name(i) +} + +// getScript returns the maximized script for a base language. +func getScript(b language.Base) language.Script { + tag, _ := language.Raw.Compose(b) + scr, _ := tag.Script() + return scr +} -- cgit v1.2.3-1-g7c22