Josh Baker 26d0083faf Update vendoring to use golang/dep
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:36:54 2017 -0700

    use symlink instead of copy

commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:19:26 2017 -0700

    use dep for vendoring
2017-10-05 07:40:19 -07:00

62 lines
1.4 KiB
Go

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