From bf0b9959d1b81d6362a390baaee70f2102fb2d58 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Fri, 11 May 2018 21:54:32 +0200
Subject: Add vendor github.com/dfordsoft/golib/ic

---
 vendor/github.com/dfordsoft/golib/ic/LICENSE     | 21 +++++++
 vendor/github.com/dfordsoft/golib/ic/convutf8.go | 72 ++++++++++++++++++++++++
 vendor/github.com/dfordsoft/golib/ic/ic.go       | 31 ++++++++++
 3 files changed, 124 insertions(+)
 create mode 100644 vendor/github.com/dfordsoft/golib/ic/LICENSE
 create mode 100644 vendor/github.com/dfordsoft/golib/ic/convutf8.go
 create mode 100644 vendor/github.com/dfordsoft/golib/ic/ic.go

(limited to 'vendor/github.com/dfordsoft')

diff --git a/vendor/github.com/dfordsoft/golib/ic/LICENSE b/vendor/github.com/dfordsoft/golib/ic/LICENSE
new file mode 100644
index 00000000..0d9b5ada
--- /dev/null
+++ b/vendor/github.com/dfordsoft/golib/ic/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 DForD Software
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/vendor/github.com/dfordsoft/golib/ic/convutf8.go b/vendor/github.com/dfordsoft/golib/ic/convutf8.go
new file mode 100644
index 00000000..b4851497
--- /dev/null
+++ b/vendor/github.com/dfordsoft/golib/ic/convutf8.go
@@ -0,0 +1,72 @@
+// Package ic convert text between CJK and UTF-8 in pure Go way
+package ic
+
+import (
+	"bytes"
+	"errors"
+	"io/ioutil"
+	"strings"
+
+	"golang.org/x/text/encoding"
+	"golang.org/x/text/encoding/japanese"
+	"golang.org/x/text/encoding/korean"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/encoding/traditionalchinese"
+	"golang.org/x/text/transform"
+)
+
+var (
+	transformers = map[string]encoding.Encoding{
+		"gbk":         simplifiedchinese.GBK,
+		"cp936":       simplifiedchinese.GBK,
+		"windows-936": simplifiedchinese.GBK,
+		"gb18030":     simplifiedchinese.GB18030,
+		"gb2312":      simplifiedchinese.HZGB2312,
+		"big5":        traditionalchinese.Big5,
+		"big-5":       traditionalchinese.Big5,
+		"cp950":       traditionalchinese.Big5,
+		"euc-kr":      korean.EUCKR,
+		"euckr":       korean.EUCKR,
+		"cp949":       korean.EUCKR,
+		"euc-jp":      japanese.EUCJP,
+		"eucjp":       japanese.EUCJP,
+		"shift-jis":   japanese.ShiftJIS,
+		"iso-2022-jp": japanese.ISO2022JP,
+		"cp932":       japanese.ISO2022JP,
+		"windows-31j": japanese.ISO2022JP,
+	}
+)
+
+// ToUTF8 convert from CJK encoding to UTF-8
+func ToUTF8(from string, s []byte) ([]byte, error) {
+	var reader *transform.Reader
+
+	transformer, ok := transformers[strings.ToLower(from)]
+	if !ok {
+		return s, errors.New("Unsupported encoding " + from)
+	}
+	reader = transform.NewReader(bytes.NewReader(s), transformer.NewDecoder())
+
+	d, e := ioutil.ReadAll(reader)
+	if e != nil {
+		return nil, e
+	}
+	return d, nil
+}
+
+// FromUTF8 convert from UTF-8 encoding to CJK encoding
+func FromUTF8(to string, s []byte) ([]byte, error) {
+	var reader *transform.Reader
+
+	transformer, ok := transformers[strings.ToLower(to)]
+	if !ok {
+		return s, errors.New("Unsupported encoding " + to)
+	}
+	reader = transform.NewReader(bytes.NewReader(s), transformer.NewEncoder())
+
+	d, e := ioutil.ReadAll(reader)
+	if e != nil {
+		return nil, e
+	}
+	return d, nil
+}
diff --git a/vendor/github.com/dfordsoft/golib/ic/ic.go b/vendor/github.com/dfordsoft/golib/ic/ic.go
new file mode 100644
index 00000000..9e414e36
--- /dev/null
+++ b/vendor/github.com/dfordsoft/golib/ic/ic.go
@@ -0,0 +1,31 @@
+package ic
+
+import "log"
+
+// Convert convert bytes from CJK or UTF-8 to UTF-8 or CJK
+func Convert(from string, to string, src []byte) []byte {
+	if to == "utf-8" {
+		out, e := ToUTF8(from, src)
+		if e == nil {
+			return out
+		}
+		log.Printf("converting from %s to UTF-8 failed: %v", from, e)
+		return src
+	}
+
+	if from == "utf-8" {
+		out, e := FromUTF8(to, src)
+		if e == nil {
+			return out
+		}
+		log.Printf("converting from UTF-8 to %s failed: %v", to, e)
+		return src
+	}
+	log.Println("only converting between CJK encodings and UTF-8 is supported")
+	return src
+}
+
+// ConvertString convert string from CJK or UTF-8 to UTF-8 or CJK
+func ConvertString(from string, to string, src string) string {
+	return string(Convert(from, to, []byte(src)))
+}
-- 
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