mirror of
https://github.com/go-gitea/gitea
synced 2024-12-27 19:14:27 +00:00
370 lines
13 KiB
Go
370 lines
13 KiB
Go
|
// Copyright 2015 PingCAP, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package charset
|
||
|
|
|
||
|
|
import (
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/juju/errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Charset is a charset.
|
||
|
|
// Now we only support MySQL.
|
||
|
|
type Charset struct {
|
||
|
|
Name string
|
||
|
|
DefaultCollation *Collation
|
||
|
|
Collations map[string]*Collation
|
||
|
|
Desc string
|
||
|
|
Maxlen int
|
||
|
|
}
|
||
|
|
|
||
|
|
// Collation is a collation.
|
||
|
|
// Now we only support MySQL.
|
||
|
|
type Collation struct {
|
||
|
|
ID int
|
||
|
|
CharsetName string
|
||
|
|
Name string
|
||
|
|
IsDefault bool
|
||
|
|
}
|
||
|
|
|
||
|
|
var charsets = make(map[string]*Charset)
|
||
|
|
|
||
|
|
// All the supported charsets should be in the following table.
|
||
|
|
var charsetInfos = []*Charset{
|
||
|
|
{"utf8", nil, make(map[string]*Collation), "UTF-8 Unicode", 3},
|
||
|
|
{"latin1", nil, make(map[string]*Collation), "cp1252 West European", 1},
|
||
|
|
{"utf8mb4", nil, make(map[string]*Collation), "UTF-8 Unicode", 4},
|
||
|
|
{"ascii", nil, make(map[string]*Collation), "US ASCII", 1},
|
||
|
|
}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
for _, c := range charsetInfos {
|
||
|
|
charsets[c.Name] = c
|
||
|
|
}
|
||
|
|
for _, c := range collations {
|
||
|
|
charset, ok := charsets[c.CharsetName]
|
||
|
|
if !ok {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
charset.Collations[c.Name] = c
|
||
|
|
if c.IsDefault {
|
||
|
|
charset.DefaultCollation = c
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Desc is a charset description.
|
||
|
|
type Desc struct {
|
||
|
|
Name string
|
||
|
|
Desc string
|
||
|
|
DefaultCollation string
|
||
|
|
Maxlen int
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetAllCharsets gets all charset descriptions in the local charsets.
|
||
|
|
func GetAllCharsets() []*Desc {
|
||
|
|
descs := make([]*Desc, 0, len(charsets))
|
||
|
|
// The charsetInfos is an array, so the iterate order will be stable.
|
||
|
|
for _, ci := range charsetInfos {
|
||
|
|
c, ok := charsets[ci.Name]
|
||
|
|
if !ok {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
desc := &Desc{
|
||
|
|
Name: c.Name,
|
||
|
|
DefaultCollation: c.DefaultCollation.Name,
|
||
|
|
Desc: c.Desc,
|
||
|
|
Maxlen: c.Maxlen,
|
||
|
|
}
|
||
|
|
descs = append(descs, desc)
|
||
|
|
}
|
||
|
|
return descs
|
||
|
|
}
|
||
|
|
|
||
|
|
// ValidCharsetAndCollation checks the charset and the collation validity
|
||
|
|
// and retuns a boolean.
|
||
|
|
func ValidCharsetAndCollation(cs string, co string) bool {
|
||
|
|
// We will use utf8 as a default charset.
|
||
|
|
if cs == "" {
|
||
|
|
cs = "utf8"
|
||
|
|
}
|
||
|
|
|
||
|
|
c, ok := charsets[cs]
|
||
|
|
if !ok {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
if co == "" {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
_, ok = c.Collations[co]
|
||
|
|
if !ok {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetDefaultCollation returns the default collation for charset
|
||
|
|
func GetDefaultCollation(charset string) (string, error) {
|
||
|
|
c, ok := charsets[charset]
|
||
|
|
if !ok {
|
||
|
|
return "", errors.Errorf("Unkown charset %s", charset)
|
||
|
|
}
|
||
|
|
return c.DefaultCollation.Name, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetCharsetInfo returns charset and collation for cs as name.
|
||
|
|
func GetCharsetInfo(cs string) (string, string, error) {
|
||
|
|
c, ok := charsets[strings.ToLower(cs)]
|
||
|
|
if !ok {
|
||
|
|
return "", "", errors.Errorf("Unknown charset %s", cs)
|
||
|
|
}
|
||
|
|
return c.Name, c.DefaultCollation.Name, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetCollations returns a list for all collations.
|
||
|
|
func GetCollations() []*Collation {
|
||
|
|
return collations
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
// CharsetBin is used for marking binary charset.
|
||
|
|
CharsetBin = "binary"
|
||
|
|
// CollationBin is the default collation for CharsetBin.
|
||
|
|
CollationBin = "binary"
|
||
|
|
)
|
||
|
|
|
||
|
|
var collations = []*Collation{
|
||
|
|
{1, "big5", "big5_chinese_ci", true},
|
||
|
|
{2, "latin2", "latin2_czech_cs", false},
|
||
|
|
{3, "dec8", "dec8_swedish_ci", true},
|
||
|
|
{4, "cp850", "cp850_general_ci", true},
|
||
|
|
{5, "latin1", "latin1_german1_ci", false},
|
||
|
|
{6, "hp8", "hp8_english_ci", true},
|
||
|
|
{7, "koi8r", "koi8r_general_ci", true},
|
||
|
|
{8, "latin1", "latin1_swedish_ci", true},
|
||
|
|
{9, "latin2", "latin2_general_ci", true},
|
||
|
|
{10, "swe7", "swe7_swedish_ci", true},
|
||
|
|
{11, "ascii", "ascii_general_ci", true},
|
||
|
|
{12, "ujis", "ujis_japanese_ci", true},
|
||
|
|
{13, "sjis", "sjis_japanese_ci", true},
|
||
|
|
{14, "cp1251", "cp1251_bulgarian_ci", false},
|
||
|
|
{15, "latin1", "latin1_danish_ci", false},
|
||
|
|
{16, "hebrew", "hebrew_general_ci", true},
|
||
|
|
{18, "tis620", "tis620_thai_ci", true},
|
||
|
|
{19, "euckr", "euckr_korean_ci", true},
|
||
|
|
{20, "latin7", "latin7_estonian_cs", false},
|
||
|
|
{21, "latin2", "latin2_hungarian_ci", false},
|
||
|
|
{22, "koi8u", "koi8u_general_ci", true},
|
||
|
|
{23, "cp1251", "cp1251_ukrainian_ci", false},
|
||
|
|
{24, "gb2312", "gb2312_chinese_ci", true},
|
||
|
|
{25, "greek", "greek_general_ci", true},
|
||
|
|
{26, "cp1250", "cp1250_general_ci", true},
|
||
|
|
{27, "latin2", "latin2_croatian_ci", false},
|
||
|
|
{28, "gbk", "gbk_chinese_ci", true},
|
||
|
|
{29, "cp1257", "cp1257_lithuanian_ci", false},
|
||
|
|
{30, "latin5", "latin5_turkish_ci", true},
|
||
|
|
{31, "latin1", "latin1_german2_ci", false},
|
||
|
|
{32, "armscii8", "armscii8_general_ci", true},
|
||
|
|
{33, "utf8", "utf8_general_ci", true},
|
||
|
|
{34, "cp1250", "cp1250_czech_cs", false},
|
||
|
|
{35, "ucs2", "ucs2_general_ci", true},
|
||
|
|
{36, "cp866", "cp866_general_ci", true},
|
||
|
|
{37, "keybcs2", "keybcs2_general_ci", true},
|
||
|
|
{38, "macce", "macce_general_ci", true},
|
||
|
|
{39, "macroman", "macroman_general_ci", true},
|
||
|
|
{40, "cp852", "cp852_general_ci", true},
|
||
|
|
{41, "latin7", "latin7_general_ci", true},
|
||
|
|
{42, "latin7", "latin7_general_cs", false},
|
||
|
|
{43, "macce", "macce_bin", false},
|
||
|
|
{44, "cp1250", "cp1250_croatian_ci", false},
|
||
|
|
{45, "utf8mb4", "utf8mb4_general_ci", true},
|
||
|
|
{46, "utf8mb4", "utf8mb4_bin", false},
|
||
|
|
{47, "latin1", "latin1_bin", false},
|
||
|
|
{48, "latin1", "latin1_general_ci", false},
|
||
|
|
{49, "latin1", "latin1_general_cs", false},
|
||
|
|
{50, "cp1251", "cp1251_bin", false},
|
||
|
|
{51, "cp1251", "cp1251_general_ci", true},
|
||
|
|
{52, "cp1251", "cp1251_general_cs", false},
|
||
|
|
{53, "macroman", "macroman_bin", false},
|
||
|
|
{54, "utf16", "utf16_general_ci", true},
|
||
|
|
{55, "utf16", "utf16_bin", false},
|
||
|
|
{56, "utf16le", "utf16le_general_ci", true},
|
||
|
|
{57, "cp1256", "cp1256_general_ci", true},
|
||
|
|
{58, "cp1257", "cp1257_bin", false},
|
||
|
|
{59, "cp1257", "cp1257_general_ci", true},
|
||
|
|
{60, "utf32", "utf32_general_ci", true},
|
||
|
|
{61, "utf32", "utf32_bin", false},
|
||
|
|
{62, "utf16le", "utf16le_bin", false},
|
||
|
|
{63, "binary", "binary", true},
|
||
|
|
{64, "armscii8", "armscii8_bin", false},
|
||
|
|
{65, "ascii", "ascii_bin", false},
|
||
|
|
{66, "cp1250", "cp1250_bin", false},
|
||
|
|
{67, "cp1256", "cp1256_bin", false},
|
||
|
|
{68, "cp866", "cp866_bin", false},
|
||
|
|
{69, "dec8", "dec8_bin", false},
|
||
|
|
{70, "greek", "greek_bin", false},
|
||
|
|
{71, "hebrew", "hebrew_bin", false},
|
||
|
|
{72, "hp8", "hp8_bin", false},
|
||
|
|
{73, "keybcs2", "keybcs2_bin", false},
|
||
|
|
{74, "koi8r", "koi8r_bin", false},
|
||
|
|
{75, "koi8u", "koi8u_bin", false},
|
||
|
|
{77, "latin2", "latin2_bin", false},
|
||
|
|
{78, "latin5", "latin5_bin", false},
|
||
|
|
{79, "latin7", "latin7_bin", false},
|
||
|
|
{80, "cp850", "cp850_bin", false},
|
||
|
|
{81, "cp852", "cp852_bin", false},
|
||
|
|
{82, "swe7", "swe7_bin", false},
|
||
|
|
{83, "utf8", "utf8_bin", false},
|
||
|
|
{84, "big5", "big5_bin", false},
|
||
|
|
{85, "euckr", "euckr_bin", false},
|
||
|
|
{86, "gb2312", "gb2312_bin", false},
|
||
|
|
{87, "gbk", "gbk_bin", false},
|
||
|
|
{88, "sjis", "sjis_bin", false},
|
||
|
|
{89, "tis620", "tis620_bin", false},
|
||
|
|
{90, "ucs2", "ucs2_bin", false},
|
||
|
|
{91, "ujis", "ujis_bin", false},
|
||
|
|
{92, "geostd8", "geostd8_general_ci", true},
|
||
|
|
{93, "geostd8", "geostd8_bin", false},
|
||
|
|
{94, "latin1", "latin1_spanish_ci", false},
|
||
|
|
{95, "cp932", "cp932_japanese_ci", true},
|
||
|
|
{96, "cp932", "cp932_bin", false},
|
||
|
|
{97, "eucjpms", "eucjpms_japanese_ci", true},
|
||
|
|
{98, "eucjpms", "eucjpms_bin", false},
|
||
|
|
{99, "cp1250", "cp1250_polish_ci", false},
|
||
|
|
{101, "utf16", "utf16_unicode_ci", false},
|
||
|
|
{102, "utf16", "utf16_icelandic_ci", false},
|
||
|
|
{103, "utf16", "utf16_latvian_ci", false},
|
||
|
|
{104, "utf16", "utf16_romanian_ci", false},
|
||
|
|
{105, "utf16", "utf16_slovenian_ci", false},
|
||
|
|
{106, "utf16", "utf16_polish_ci", false},
|
||
|
|
{107, "utf16", "utf16_estonian_ci", false},
|
||
|
|
{108, "utf16", "utf16_spanish_ci", false},
|
||
|
|
{109, "utf16", "utf16_swedish_ci", false},
|
||
|
|
{110, "utf16", "utf16_turkish_ci", false},
|
||
|
|
{111, "utf16", "utf16_czech_ci", false},
|
||
|
|
{112, "utf16", "utf16_danish_ci", false},
|
||
|
|
{113, "utf16", "utf16_lithuanian_ci", false},
|
||
|
|
{114, "utf16", "utf16_slovak_ci", false},
|
||
|
|
{115, "utf16", "utf16_spanish2_ci", false},
|
||
|
|
{116, "utf16", "utf16_roman_ci", false},
|
||
|
|
{117, "utf16", "utf16_persian_ci", false},
|
||
|
|
{118, "utf16", "utf16_esperanto_ci", false},
|
||
|
|
{119, "utf16", "utf16_hungarian_ci", false},
|
||
|
|
{120, "utf16", "utf16_sinhala_ci", false},
|
||
|
|
{121, "utf16", "utf16_german2_ci", false},
|
||
|
|
{122, "utf16", "utf16_croatian_ci", false},
|
||
|
|
{123, "utf16", "utf16_unicode_520_ci", false},
|
||
|
|
{124, "utf16", "utf16_vietnamese_ci", false},
|
||
|
|
{128, "ucs2", "ucs2_unicode_ci", false},
|
||
|
|
{129, "ucs2", "ucs2_icelandic_ci", false},
|
||
|
|
{130, "ucs2", "ucs2_latvian_ci", false},
|
||
|
|
{131, "ucs2", "ucs2_romanian_ci", false},
|
||
|
|
{132, "ucs2", "ucs2_slovenian_ci", false},
|
||
|
|
{133, "ucs2", "ucs2_polish_ci", false},
|
||
|
|
{134, "ucs2", "ucs2_estonian_ci", false},
|
||
|
|
{135, "ucs2", "ucs2_spanish_ci", false},
|
||
|
|
{136, "ucs2", "ucs2_swedish_ci", false},
|
||
|
|
{137, "ucs2", "ucs2_turkish_ci", false},
|
||
|
|
{138, "ucs2", "ucs2_czech_ci", false},
|
||
|
|
{139, "ucs2", "ucs2_danish_ci", false},
|
||
|
|
{140, "ucs2", "ucs2_lithuanian_ci", false},
|
||
|
|
{141, "ucs2", "ucs2_slovak_ci", false},
|
||
|
|
{142, "ucs2", "ucs2_spanish2_ci", false},
|
||
|
|
{143, "ucs2", "ucs2_roman_ci", false},
|
||
|
|
{144, "ucs2", "ucs2_persian_ci", false},
|
||
|
|
{145, "ucs2", "ucs2_esperanto_ci", false},
|
||
|
|
{146, "ucs2", "ucs2_hungarian_ci", false},
|
||
|
|
{147, "ucs2", "ucs2_sinhala_ci", false},
|
||
|
|
{148, "ucs2", "ucs2_german2_ci", false},
|
||
|
|
{149, "ucs2", "ucs2_croatian_ci", false},
|
||
|
|
{150, "ucs2", "ucs2_unicode_520_ci", false},
|
||
|
|
{151, "ucs2", "ucs2_vietnamese_ci", false},
|
||
|
|
{159, "ucs2", "ucs2_general_mysql500_ci", false},
|
||
|
|
{160, "utf32", "utf32_unicode_ci", false},
|
||
|
|
{161, "utf32", "utf32_icelandic_ci", false},
|
||
|
|
{162, "utf32", "utf32_latvian_ci", false},
|
||
|
|
{163, "utf32", "utf32_romanian_ci", false},
|
||
|
|
{164, "utf32", "utf32_slovenian_ci", false},
|
||
|
|
{165, "utf32", "utf32_polish_ci", false},
|
||
|
|
{166, "utf32", "utf32_estonian_ci", false},
|
||
|
|
{167, "utf32", "utf32_spanish_ci", false},
|
||
|
|
{168, "utf32", "utf32_swedish_ci", false},
|
||
|
|
{169, "utf32", "utf32_turkish_ci", false},
|
||
|
|
{170, "utf32", "utf32_czech_ci", false},
|
||
|
|
{171, "utf32", "utf32_danish_ci", false},
|
||
|
|
{172, "utf32", "utf32_lithuanian_ci", false},
|
||
|
|
{173, "utf32", "utf32_slovak_ci", false},
|
||
|
|
{174, "utf32", "utf32_spanish2_ci", false},
|
||
|
|
{175, "utf32", "utf32_roman_ci", false},
|
||
|
|
{176, "utf32", "utf32_persian_ci", false},
|
||
|
|
{177, "utf32", "utf32_esperanto_ci", false},
|
||
|
|
{178, "utf32", "utf32_hungarian_ci", false},
|
||
|
|
{179, "utf32", "utf32_sinhala_ci", false},
|
||
|
|
{180, "utf32", "utf32_german2_ci", false},
|
||
|
|
{181, "utf32", "utf32_croatian_ci", false},
|
||
|
|
{182, "utf32", "utf32_unicode_520_ci", false},
|
||
|
|
{183, "utf32", "utf32_vietnamese_ci", false},
|
||
|
|
{192, "utf8", "utf8_unicode_ci", false},
|
||
|
|
{193, "utf8", "utf8_icelandic_ci", false},
|
||
|
|
{194, "utf8", "utf8_latvian_ci", false},
|
||
|
|
{195, "utf8", "utf8_romanian_ci", false},
|
||
|
|
{196, "utf8", "utf8_slovenian_ci", false},
|
||
|
|
{197, "utf8", "utf8_polish_ci", false},
|
||
|
|
{198, "utf8", "utf8_estonian_ci", false},
|
||
|
|
{199, "utf8", "utf8_spanish_ci", false},
|
||
|
|
{200, "utf8", "utf8_swedish_ci", false},
|
||
|
|
{201, "utf8", "utf8_turkish_ci", false},
|
||
|
|
{202, "utf8", "utf8_czech_ci", false},
|
||
|
|
{203, "utf8", "utf8_danish_ci", false},
|
||
|
|
{204, "utf8", "utf8_lithuanian_ci", false},
|
||
|
|
{205, "utf8", "utf8_slovak_ci", false},
|
||
|
|
{206, "utf8", "utf8_spanish2_ci", false},
|
||
|
|
{207, "utf8", "utf8_roman_ci", false},
|
||
|
|
{208, "utf8", "utf8_persian_ci", false},
|
||
|
|
{209, "utf8", "utf8_esperanto_ci", false},
|
||
|
|
{210, "utf8", "utf8_hungarian_ci", false},
|
||
|
|
{211, "utf8", "utf8_sinhala_ci", false},
|
||
|
|
{212, "utf8", "utf8_german2_ci", false},
|
||
|
|
{213, "utf8", "utf8_croatian_ci", false},
|
||
|
|
{214, "utf8", "utf8_unicode_520_ci", false},
|
||
|
|
{215, "utf8", "utf8_vietnamese_ci", false},
|
||
|
|
{223, "utf8", "utf8_general_mysql500_ci", false},
|
||
|
|
{224, "utf8mb4", "utf8mb4_unicode_ci", false},
|
||
|
|
{225, "utf8mb4", "utf8mb4_icelandic_ci", false},
|
||
|
|
{226, "utf8mb4", "utf8mb4_latvian_ci", false},
|
||
|
|
{227, "utf8mb4", "utf8mb4_romanian_ci", false},
|
||
|
|
{228, "utf8mb4", "utf8mb4_slovenian_ci", false},
|
||
|
|
{229, "utf8mb4", "utf8mb4_polish_ci", false},
|
||
|
|
{230, "utf8mb4", "utf8mb4_estonian_ci", false},
|
||
|
|
{231, "utf8mb4", "utf8mb4_spanish_ci", false},
|
||
|
|
{232, "utf8mb4", "utf8mb4_swedish_ci", false},
|
||
|
|
{233, "utf8mb4", "utf8mb4_turkish_ci", false},
|
||
|
|
{234, "utf8mb4", "utf8mb4_czech_ci", false},
|
||
|
|
{235, "utf8mb4", "utf8mb4_danish_ci", false},
|
||
|
|
{236, "utf8mb4", "utf8mb4_lithuanian_ci", false},
|
||
|
|
{237, "utf8mb4", "utf8mb4_slovak_ci", false},
|
||
|
|
{238, "utf8mb4", "utf8mb4_spanish2_ci", false},
|
||
|
|
{239, "utf8mb4", "utf8mb4_roman_ci", false},
|
||
|
|
{240, "utf8mb4", "utf8mb4_persian_ci", false},
|
||
|
|
{241, "utf8mb4", "utf8mb4_esperanto_ci", false},
|
||
|
|
{242, "utf8mb4", "utf8mb4_hungarian_ci", false},
|
||
|
|
{243, "utf8mb4", "utf8mb4_sinhala_ci", false},
|
||
|
|
{244, "utf8mb4", "utf8mb4_german2_ci", false},
|
||
|
|
{245, "utf8mb4", "utf8mb4_croatian_ci", false},
|
||
|
|
{246, "utf8mb4", "utf8mb4_unicode_520_ci", false},
|
||
|
|
{247, "utf8mb4", "utf8mb4_vietnamese_ci", false},
|
||
|
|
}
|