mirror of
https://github.com/go-gitea/gitea
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c4d8d53a6d
* Use vendored go-swagger (#8087) * Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net> * re-generate swagger file
97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package main
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// This code is shared between the main code generator and the test code.
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import (
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"flag"
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"log"
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"strconv"
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"strings"
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"golang.org/x/text/internal/gen"
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"golang.org/x/text/internal/ucd"
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)
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var (
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outputFile = flag.String("out", "tables.go", "output file")
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)
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var typeMap = map[string]elem{
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"A": tagAmbiguous,
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"N": tagNeutral,
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"Na": tagNarrow,
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"W": tagWide,
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"F": tagFullwidth,
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"H": tagHalfwidth,
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}
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// getWidthData calls f for every entry for which it is defined.
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//
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// f may be called multiple times for the same rune. The last call to f is the
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// correct value. f is not called for all runes. The default tag type is
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// Neutral.
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func getWidthData(f func(r rune, tag elem, alt rune)) {
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// Set the default values for Unified Ideographs. In line with Annex 11,
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// we encode full ranges instead of the defined runes in Unified_Ideograph.
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for _, b := range []struct{ lo, hi rune }{
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{0x4E00, 0x9FFF}, // the CJK Unified Ideographs block,
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{0x3400, 0x4DBF}, // the CJK Unified Ideographs Externsion A block,
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{0xF900, 0xFAFF}, // the CJK Compatibility Ideographs block,
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{0x20000, 0x2FFFF}, // the Supplementary Ideographic Plane,
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{0x30000, 0x3FFFF}, // the Tertiary Ideographic Plane,
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} {
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for r := b.lo; r <= b.hi; r++ {
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f(r, tagWide, 0)
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}
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}
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inverse := map[rune]rune{}
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maps := map[string]bool{
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"<wide>": true,
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"<narrow>": true,
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}
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// We cannot reuse package norm's decomposition, as we need an unexpanded
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// decomposition. We make use of the opportunity to verify that the
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// decomposition type is as expected.
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ucd.Parse(gen.OpenUCDFile("UnicodeData.txt"), func(p *ucd.Parser) {
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r := p.Rune(0)
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s := strings.SplitN(p.String(ucd.DecompMapping), " ", 2)
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if !maps[s[0]] {
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return
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}
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x, err := strconv.ParseUint(s[1], 16, 32)
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if err != nil {
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log.Fatalf("Error parsing rune %q", s[1])
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}
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if inverse[r] != 0 || inverse[rune(x)] != 0 {
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log.Fatalf("Circular dependency in mapping between %U and %U", r, x)
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}
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inverse[r] = rune(x)
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inverse[rune(x)] = r
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})
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// <rune range>;<type>
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ucd.Parse(gen.OpenUCDFile("EastAsianWidth.txt"), func(p *ucd.Parser) {
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tag, ok := typeMap[p.String(1)]
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if !ok {
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log.Fatalf("Unknown width type %q", p.String(1))
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}
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r := p.Rune(0)
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alt, ok := inverse[r]
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if tag == tagFullwidth || tag == tagHalfwidth && r != wonSign {
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tag |= tagNeedsFold
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if !ok {
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log.Fatalf("Narrow or wide rune %U has no decomposition", r)
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}
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}
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f(r, tag, alt)
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})
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}
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