From 54d3d47daf9190275bbdaf8703b84969a4593451 Mon Sep 17 00:00:00 2001
From: Corey Hulen <corey@hulen.com>
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
---
 vendor/golang.org/x/text/secure/precis/gen.go | 310 ++++++++++++++++++++++++++
 1 file changed, 310 insertions(+)
 create mode 100644 vendor/golang.org/x/text/secure/precis/gen.go

(limited to 'vendor/golang.org/x/text/secure/precis/gen.go')

diff --git a/vendor/golang.org/x/text/secure/precis/gen.go b/vendor/golang.org/x/text/secure/precis/gen.go
new file mode 100644
index 000000000..dba9004a6
--- /dev/null
+++ b/vendor/golang.org/x/text/secure/precis/gen.go
@@ -0,0 +1,310 @@
+// Copyright 2015 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.
+
+// Unicode table generator.
+// Data read from the web.
+
+// +build ignore
+
+package main
+
+import (
+	"flag"
+	"log"
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/internal/gen"
+	"golang.org/x/text/internal/triegen"
+	"golang.org/x/text/internal/ucd"
+	"golang.org/x/text/unicode/norm"
+	"golang.org/x/text/unicode/rangetable"
+)
+
+var outputFile = flag.String("output", "tables.go", "output file for generated tables; default tables.go")
+
+var assigned, disallowedRunes *unicode.RangeTable
+
+var runeCategory = map[rune]category{}
+
+var overrides = map[category]category{
+	viramaModifier: viramaJoinT,
+	greek:          greekJoinT,
+	hebrew:         hebrewJoinT,
+}
+
+func setCategory(r rune, cat category) {
+	if c, ok := runeCategory[r]; ok {
+		if override, ok := overrides[c]; cat == joiningT && ok {
+			cat = override
+		} else {
+			log.Fatalf("%U: multiple categories for rune (%v and %v)", r, c, cat)
+		}
+	}
+	runeCategory[r] = cat
+}
+
+func init() {
+	if numCategories > 1<<propShift {
+		log.Fatalf("Number of categories is %d; may at most be %d", numCategories, 1<<propShift)
+	}
+}
+
+func main() {
+	gen.Init()
+
+	// Load data
+	runes := []rune{}
+	// PrecisIgnorableProperties: https://tools.ietf.org/html/rfc7564#section-9.13
+	ucd.Parse(gen.OpenUCDFile("DerivedCoreProperties.txt"), func(p *ucd.Parser) {
+		if p.String(1) == "Default_Ignorable_Code_Point" {
+			runes = append(runes, p.Rune(0))
+		}
+	})
+	ucd.Parse(gen.OpenUCDFile("PropList.txt"), func(p *ucd.Parser) {
+		switch p.String(1) {
+		case "Noncharacter_Code_Point":
+			runes = append(runes, p.Rune(0))
+		}
+	})
+	// OldHangulJamo: https://tools.ietf.org/html/rfc5892#section-2.9
+	ucd.Parse(gen.OpenUCDFile("HangulSyllableType.txt"), func(p *ucd.Parser) {
+		switch p.String(1) {
+		case "L", "V", "T":
+			runes = append(runes, p.Rune(0))
+		}
+	})
+
+	disallowedRunes = rangetable.New(runes...)
+	assigned = rangetable.Assigned(unicode.Version)
+
+	// Load category data.
+	runeCategory['l'] = latinSmallL
+	ucd.Parse(gen.OpenUCDFile("UnicodeData.txt"), func(p *ucd.Parser) {
+		const cccVirama = 9
+		if p.Int(ucd.CanonicalCombiningClass) == cccVirama {
+			setCategory(p.Rune(0), viramaModifier)
+		}
+	})
+	ucd.Parse(gen.OpenUCDFile("Scripts.txt"), func(p *ucd.Parser) {
+		switch p.String(1) {
+		case "Greek":
+			setCategory(p.Rune(0), greek)
+		case "Hebrew":
+			setCategory(p.Rune(0), hebrew)
+		case "Hiragana", "Katakana", "Han":
+			setCategory(p.Rune(0), japanese)
+		}
+	})
+
+	// Set the rule categories associated with exceptions. This overrides any
+	// previously set categories. The original categories are manually
+	// reintroduced in the categoryTransitions table.
+	for r, e := range exceptions {
+		if e.cat != 0 {
+			runeCategory[r] = e.cat
+		}
+	}
+	cat := map[string]category{
+		"L": joiningL,
+		"D": joiningD,
+		"T": joiningT,
+
+		"R": joiningR,
+	}
+	ucd.Parse(gen.OpenUCDFile("extracted/DerivedJoiningType.txt"), func(p *ucd.Parser) {
+		switch v := p.String(1); v {
+		case "L", "D", "T", "R":
+			setCategory(p.Rune(0), cat[v])
+		}
+	})
+
+	writeTables()
+	gen.Repackage("gen_trieval.go", "trieval.go", "precis")
+}
+
+type exception struct {
+	prop property
+	cat  category
+}
+
+func init() {
+	// Programmatically add the Arabic and Indic digits to the exceptions map.
+	// See comment in the exceptions map below why these are marked disallowed.
+	for i := rune(0); i <= 9; i++ {
+		exceptions[0x0660+i] = exception{
+			prop: disallowed,
+			cat:  arabicIndicDigit,
+		}
+		exceptions[0x06F0+i] = exception{
+			prop: disallowed,
+			cat:  extendedArabicIndicDigit,
+		}
+	}
+}
+
+// The Exceptions class as defined in RFC 5892
+// https://tools.ietf.org/html/rfc5892#section-2.6
+var exceptions = map[rune]exception{
+	0x00DF: {prop: pValid},
+	0x03C2: {prop: pValid},
+	0x06FD: {prop: pValid},
+	0x06FE: {prop: pValid},
+	0x0F0B: {prop: pValid},
+	0x3007: {prop: pValid},
+
+	// ContextO|J rules are marked as disallowed, taking a "guilty until proven
+	// innocent" approach. The main reason for this is that the check for
+	// whether a context rule should be applied can be moved to the logic for
+	// handing disallowed runes, taken it off the common path. The exception to
+	// this rule is for katakanaMiddleDot, as the rule logic is handled without
+	// using a rule function.
+
+	// ContextJ (Join control)
+	0x200C: {prop: disallowed, cat: zeroWidthNonJoiner},
+	0x200D: {prop: disallowed, cat: zeroWidthJoiner},
+
+	// ContextO
+	0x00B7: {prop: disallowed, cat: middleDot},
+	0x0375: {prop: disallowed, cat: greekLowerNumeralSign},
+	0x05F3: {prop: disallowed, cat: hebrewPreceding}, // punctuation Geresh
+	0x05F4: {prop: disallowed, cat: hebrewPreceding}, // punctuation Gershayim
+	0x30FB: {prop: pValid, cat: katakanaMiddleDot},
+
+	// These are officially ContextO, but the implementation does not require
+	// special treatment of these, so we simply mark them as valid.
+	0x0660: {prop: pValid},
+	0x0661: {prop: pValid},
+	0x0662: {prop: pValid},
+	0x0663: {prop: pValid},
+	0x0664: {prop: pValid},
+	0x0665: {prop: pValid},
+	0x0666: {prop: pValid},
+	0x0667: {prop: pValid},
+	0x0668: {prop: pValid},
+	0x0669: {prop: pValid},
+	0x06F0: {prop: pValid},
+	0x06F1: {prop: pValid},
+	0x06F2: {prop: pValid},
+	0x06F3: {prop: pValid},
+	0x06F4: {prop: pValid},
+	0x06F5: {prop: pValid},
+	0x06F6: {prop: pValid},
+	0x06F7: {prop: pValid},
+	0x06F8: {prop: pValid},
+	0x06F9: {prop: pValid},
+
+	0x0640: {prop: disallowed},
+	0x07FA: {prop: disallowed},
+	0x302E: {prop: disallowed},
+	0x302F: {prop: disallowed},
+	0x3031: {prop: disallowed},
+	0x3032: {prop: disallowed},
+	0x3033: {prop: disallowed},
+	0x3034: {prop: disallowed},
+	0x3035: {prop: disallowed},
+	0x303B: {prop: disallowed},
+}
+
+// LetterDigits: https://tools.ietf.org/html/rfc5892#section-2.1
+// r in {Ll, Lu, Lo, Nd, Lm, Mn, Mc}.
+func isLetterDigits(r rune) bool {
+	return unicode.In(r,
+		unicode.Ll, unicode.Lu, unicode.Lm, unicode.Lo, // Letters
+		unicode.Mn, unicode.Mc, // Modifiers
+		unicode.Nd, // Digits
+	)
+}
+
+func isIdDisAndFreePVal(r rune) bool {
+	return unicode.In(r,
+		// OtherLetterDigits: https://tools.ietf.org/html/rfc7564#section-9.18
+		// r in in {Lt, Nl, No, Me}
+		unicode.Lt, unicode.Nl, unicode.No, // Other letters / numbers
+		unicode.Me, // Modifiers
+
+		// Spaces: https://tools.ietf.org/html/rfc7564#section-9.14
+		// r in in {Zs}
+		unicode.Zs,
+
+		// Symbols: https://tools.ietf.org/html/rfc7564#section-9.15
+		// r in {Sm, Sc, Sk, So}
+		unicode.Sm, unicode.Sc, unicode.Sk, unicode.So,
+
+		// Punctuation: https://tools.ietf.org/html/rfc7564#section-9.16
+		// r in {Pc, Pd, Ps, Pe, Pi, Pf, Po}
+		unicode.Pc, unicode.Pd, unicode.Ps, unicode.Pe,
+		unicode.Pi, unicode.Pf, unicode.Po,
+	)
+}
+
+// HasCompat: https://tools.ietf.org/html/rfc7564#section-9.17
+func hasCompat(r rune) bool {
+	return !norm.NFKC.IsNormalString(string(r))
+}
+
+// From https://tools.ietf.org/html/rfc5892:
+//
+// If .cp. .in. Exceptions Then Exceptions(cp);
+//   Else If .cp. .in. BackwardCompatible Then BackwardCompatible(cp);
+//   Else If .cp. .in. Unassigned Then UNASSIGNED;
+//   Else If .cp. .in. ASCII7 Then PVALID;
+//   Else If .cp. .in. JoinControl Then CONTEXTJ;
+//   Else If .cp. .in. OldHangulJamo Then DISALLOWED;
+//   Else If .cp. .in. PrecisIgnorableProperties Then DISALLOWED;
+//   Else If .cp. .in. Controls Then DISALLOWED;
+//   Else If .cp. .in. HasCompat Then ID_DIS or FREE_PVAL;
+//   Else If .cp. .in. LetterDigits Then PVALID;
+//   Else If .cp. .in. OtherLetterDigits Then ID_DIS or FREE_PVAL;
+//   Else If .cp. .in. Spaces Then ID_DIS or FREE_PVAL;
+//   Else If .cp. .in. Symbols Then ID_DIS or FREE_PVAL;
+//   Else If .cp. .in. Punctuation Then ID_DIS or FREE_PVAL;
+//   Else DISALLOWED;
+
+func writeTables() {
+	propTrie := triegen.NewTrie("derivedProperties")
+	w := gen.NewCodeWriter()
+	defer w.WriteGoFile(*outputFile, "precis")
+	gen.WriteUnicodeVersion(w)
+
+	// Iterate over all the runes...
+	for i := rune(0); i < unicode.MaxRune; i++ {
+		r := rune(i)
+
+		if !utf8.ValidRune(r) {
+			continue
+		}
+
+		e, ok := exceptions[i]
+		p := e.prop
+		switch {
+		case ok:
+		case !unicode.In(r, assigned):
+			p = unassigned
+		case r >= 0x0021 && r <= 0x007e: // Is ASCII 7
+			p = pValid
+		case unicode.In(r, disallowedRunes, unicode.Cc):
+			p = disallowed
+		case hasCompat(r):
+			p = idDisOrFreePVal
+		case isLetterDigits(r):
+			p = pValid
+		case isIdDisAndFreePVal(r):
+			p = idDisOrFreePVal
+		default:
+			p = disallowed
+		}
+		cat := runeCategory[r]
+		// Don't set category for runes that are disallowed.
+		if p == disallowed {
+			cat = exceptions[r].cat
+		}
+		propTrie.Insert(r, uint64(p)|uint64(cat))
+	}
+	sz, err := propTrie.Gen(w)
+	if err != nil {
+		log.Fatal(err)
+	}
+	w.Size += sz
+}
-- 
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