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Diffstat (limited to 'vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go')
-rw-r--r--vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go140
1 files changed, 0 insertions, 140 deletions
diff --git a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go b/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
deleted file mode 100644
index cf7fdb3..0000000
--- a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// 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
-
-package main
-
-// This program generates tables.go:
-// go run maketables.go | gofmt > tables.go
-
-import (
- "bufio"
- "fmt"
- "log"
- "net/http"
- "sort"
- "strings"
-)
-
-func main() {
- fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
- fmt.Printf("// Package traditionalchinese provides Traditional Chinese encodings such as Big5.\n")
- fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"` + "\n\n")
-
- res, err := http.Get("http://encoding.spec.whatwg.org/index-big5.txt")
- if err != nil {
- log.Fatalf("Get: %v", err)
- }
- defer res.Body.Close()
-
- mapping := [65536]uint32{}
- reverse := [65536 * 4]uint16{}
-
- scanner := bufio.NewScanner(res.Body)
- for scanner.Scan() {
- s := strings.TrimSpace(scanner.Text())
- if s == "" || s[0] == '#' {
- continue
- }
- x, y := uint16(0), uint32(0)
- if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
- log.Fatalf("could not parse %q", s)
- }
- if x < 0 || 126*157 <= x {
- log.Fatalf("Big5 code %d is out of range", x)
- }
- mapping[x] = y
-
- // The WHATWG spec http://encoding.spec.whatwg.org/#indexes says that
- // "The index pointer for code point in index is the first pointer
- // corresponding to code point in index", which would normally mean
- // that the code below should be guarded by "if reverse[y] == 0", but
- // last instead of first seems to match the behavior of
- // "iconv -f UTF-8 -t BIG5". For example, U+8005 者 occurs twice in
- // http://encoding.spec.whatwg.org/index-big5.txt, as index 2148
- // (encoded as "\x8e\xcd") and index 6543 (encoded as "\xaa\xcc")
- // and "echo 者 | iconv -f UTF-8 -t BIG5 | xxd" gives "\xaa\xcc".
- c0, c1 := x/157, x%157
- if c1 < 0x3f {
- c1 += 0x40
- } else {
- c1 += 0x62
- }
- reverse[y] = (0x81+c0)<<8 | c1
- }
- if err := scanner.Err(); err != nil {
- log.Fatalf("scanner error: %v", err)
- }
-
- fmt.Printf("// decode is the decoding table from Big5 code to Unicode.\n")
- fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-big5.txt\n")
- fmt.Printf("var decode = [...]uint32{\n")
- for i, v := range mapping {
- if v != 0 {
- fmt.Printf("\t%d: 0x%08X,\n", i, v)
- }
- }
- fmt.Printf("}\n\n")
-
- // Any run of at least separation continuous zero entries in the reverse map will
- // be a separate encode table.
- const separation = 1024
-
- intervals := []interval(nil)
- low, high := -1, -1
- for i, v := range reverse {
- if v == 0 {
- continue
- }
- if low < 0 {
- low = i
- } else if i-high >= separation {
- if high >= 0 {
- intervals = append(intervals, interval{low, high})
- }
- low = i
- }
- high = i + 1
- }
- if high >= 0 {
- intervals = append(intervals, interval{low, high})
- }
- sort.Sort(byDecreasingLength(intervals))
-
- fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
- fmt.Printf("// encodeX are the encoding tables from Unicode to Big5 code,\n")
- fmt.Printf("// sorted by decreasing length.\n")
- for i, v := range intervals {
- fmt.Printf("// encode%d: %5d entries for runes in [%6d, %6d).\n", i, v.len(), v.low, v.high)
- }
- fmt.Printf("\n")
-
- for i, v := range intervals {
- fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
- fmt.Printf("var encode%d = [...]uint16{\n", i)
- for j := v.low; j < v.high; j++ {
- x := reverse[j]
- if x == 0 {
- continue
- }
- fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
- }
- fmt.Printf("}\n\n")
- }
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
- low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int) { b[i], b[j] = b[j], b[i] }