VOL-1868 move simulated onu from voltha-go to voltha-simonu-adapter
Sourced from voltha-go commit 251a11c0ffe60512318a644cd6ce0dc4e12f4018
Change-Id: Iab179bc2f3dd772ed7f488d1c03d1a84ba75e874
diff --git a/vendor/golang.org/x/net/idna/trie.go b/vendor/golang.org/x/net/idna/trie.go
new file mode 100644
index 0000000..c4ef847
--- /dev/null
+++ b/vendor/golang.org/x/net/idna/trie.go
@@ -0,0 +1,72 @@
+// Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
+
+// 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.
+
+package idna
+
+// appendMapping appends the mapping for the respective rune. isMapped must be
+// true. A mapping is a categorization of a rune as defined in UTS #46.
+func (c info) appendMapping(b []byte, s string) []byte {
+ index := int(c >> indexShift)
+ if c&xorBit == 0 {
+ s := mappings[index:]
+ return append(b, s[1:s[0]+1]...)
+ }
+ b = append(b, s...)
+ if c&inlineXOR == inlineXOR {
+ // TODO: support and handle two-byte inline masks
+ b[len(b)-1] ^= byte(index)
+ } else {
+ for p := len(b) - int(xorData[index]); p < len(b); p++ {
+ index++
+ b[p] ^= xorData[index]
+ }
+ }
+ return b
+}
+
+// Sparse block handling code.
+
+type valueRange struct {
+ value uint16 // header: value:stride
+ lo, hi byte // header: lo:n
+}
+
+type sparseBlocks struct {
+ values []valueRange
+ offset []uint16
+}
+
+var idnaSparse = sparseBlocks{
+ values: idnaSparseValues[:],
+ offset: idnaSparseOffset[:],
+}
+
+// Don't use newIdnaTrie to avoid unconditional linking in of the table.
+var trie = &idnaTrie{}
+
+// lookup determines the type of block n and looks up the value for b.
+// For n < t.cutoff, the block is a simple lookup table. Otherwise, the block
+// is a list of ranges with an accompanying value. Given a matching range r,
+// the value for b is by r.value + (b - r.lo) * stride.
+func (t *sparseBlocks) lookup(n uint32, b byte) uint16 {
+ offset := t.offset[n]
+ header := t.values[offset]
+ lo := offset + 1
+ hi := lo + uint16(header.lo)
+ for lo < hi {
+ m := lo + (hi-lo)/2
+ r := t.values[m]
+ if r.lo <= b && b <= r.hi {
+ return r.value + uint16(b-r.lo)*header.value
+ }
+ if b < r.lo {
+ hi = m
+ } else {
+ lo = m + 1
+ }
+ }
+ return 0
+}