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Diffstat (limited to 'vendor/golang.org/x/text/cases/icu.go')
-rw-r--r--vendor/golang.org/x/text/cases/icu.go61
1 files changed, 61 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/cases/icu.go b/vendor/golang.org/x/text/cases/icu.go
new file mode 100644
index 0000000..46530d1
--- /dev/null
+++ b/vendor/golang.org/x/text/cases/icu.go
@@ -0,0 +1,61 @@
+// 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])
+}