2b39f9f4b2
Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright 2016 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 icu
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package cases
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// Ideally these functions would be defined in a test file, but go test doesn't
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// allow CGO in tests. The build tag should ensure either way that these
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// functions will not end up in the package.
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// TODO: Ensure that the correct ICU version is set.
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/*
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#cgo LDFLAGS: -licui18n.57 -licuuc.57
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#include <stdlib.h>
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#include <unicode/ustring.h>
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#include <unicode/utypes.h>
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#include <unicode/localpointer.h>
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#include <unicode/ucasemap.h>
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*/
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import "C"
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import "unsafe"
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func doICU(tag, caser, input string) string {
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err := C.UErrorCode(0)
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loc := C.CString(tag)
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cm := C.ucasemap_open(loc, C.uint32_t(0), &err)
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buf := make([]byte, len(input)*4)
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dst := (*C.char)(unsafe.Pointer(&buf[0]))
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src := C.CString(input)
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cn := C.int32_t(0)
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switch caser {
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case "fold":
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cn = C.ucasemap_utf8FoldCase(cm,
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dst, C.int32_t(len(buf)),
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src, C.int32_t(len(input)),
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&err)
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case "lower":
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cn = C.ucasemap_utf8ToLower(cm,
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dst, C.int32_t(len(buf)),
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src, C.int32_t(len(input)),
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&err)
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case "upper":
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cn = C.ucasemap_utf8ToUpper(cm,
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dst, C.int32_t(len(buf)),
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src, C.int32_t(len(input)),
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&err)
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case "title":
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cn = C.ucasemap_utf8ToTitle(cm,
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dst, C.int32_t(len(buf)),
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src, C.int32_t(len(input)),
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&err)
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}
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return string(buf[:cn])
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}
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