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// Copyright 2016 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
package main
// Form defines a plural form.
//
// Not all languages support all forms. Also, the meaning of each form varies
// per language. It is important to note that the name of a form does not
// necessarily correspond one-to-one with the set of numbers. For instance,
// for Croation, One matches not only 1, but also 11, 21, etc.
//
// Each language must at least support the form "other".
type Form byte
const (
Other Form = iota
Zero
One
Two
Few
Many
)
var countMap = map[string]Form{
"other": Other,
"zero": Zero,
"one": One,
"two": Two,
"few": Few,
"many": Many,
}
type pluralCheck struct {
// category:
// 3..7: opID
// 0..2: category
cat byte
setID byte
}
// opID identifies the type of operand in the plural rule, being i, n or f.
// (v, w, and t are treated as filters in our implementation.)
type opID byte
const (
opMod opID = 0x1 // is '%' used?
opNotEqual opID = 0x2 // using "!=" to compare
opI opID = 0 << 2 // integers after taking the absolute value
opN opID = 1 << 2 // full number (must be integer)
opF opID = 2 << 2 // fraction
opV opID = 3 << 2 // number of visible digits
opW opID = 4 << 2 // number of visible digits without trailing zeros
opBretonM opID = 5 << 2 // hard-wired rule for Breton
opItalian800 opID = 6 << 2 // hard-wired rule for Italian
opAzerbaijan00s opID = 7 << 2 // hard-wired rule for Azerbaijan
)
const (
// Use this plural form to indicate the next rule needs to match as well.
// The last condition in the list will have the correct plural form.
andNext = 0x7
formMask = 0x7
opShift = 3
// numN indicates the maximum integer, or maximum mod value, for which we
// have inclusion masks.
numN = 100
// The common denominator of the modulo that is taken.
maxMod = 100
)