diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/resource/suffix.go')
| -rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/resource/suffix.go | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/resource/suffix.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/resource/suffix.go deleted file mode 100644 index 5ed7abe..0000000 --- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/resource/suffix.go +++ /dev/null @@ -1,198 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package resource - -import ( - "strconv" -) - -type suffix string - -// suffixer can interpret and construct suffixes. -type suffixer interface { - interpret(suffix) (base, exponent int32, fmt Format, ok bool) - construct(base, exponent int32, fmt Format) (s suffix, ok bool) - constructBytes(base, exponent int32, fmt Format) (s []byte, ok bool) -} - -// quantitySuffixer handles suffixes for all three formats that quantity -// can handle. -var quantitySuffixer = newSuffixer() - -type bePair struct { - base, exponent int32 -} - -type listSuffixer struct { - suffixToBE map[suffix]bePair - beToSuffix map[bePair]suffix - beToSuffixBytes map[bePair][]byte -} - -func (ls *listSuffixer) addSuffix(s suffix, pair bePair) { - if ls.suffixToBE == nil { - ls.suffixToBE = map[suffix]bePair{} - } - if ls.beToSuffix == nil { - ls.beToSuffix = map[bePair]suffix{} - } - if ls.beToSuffixBytes == nil { - ls.beToSuffixBytes = map[bePair][]byte{} - } - ls.suffixToBE[s] = pair - ls.beToSuffix[pair] = s - ls.beToSuffixBytes[pair] = []byte(s) -} - -func (ls *listSuffixer) lookup(s suffix) (base, exponent int32, ok bool) { - pair, ok := ls.suffixToBE[s] - if !ok { - return 0, 0, false - } - return pair.base, pair.exponent, true -} - -func (ls *listSuffixer) construct(base, exponent int32) (s suffix, ok bool) { - s, ok = ls.beToSuffix[bePair{base, exponent}] - return -} - -func (ls *listSuffixer) constructBytes(base, exponent int32) (s []byte, ok bool) { - s, ok = ls.beToSuffixBytes[bePair{base, exponent}] - return -} - -type suffixHandler struct { - decSuffixes listSuffixer - binSuffixes listSuffixer -} - -type fastLookup struct { - *suffixHandler -} - -func (l fastLookup) interpret(s suffix) (base, exponent int32, format Format, ok bool) { - switch s { - case "": - return 10, 0, DecimalSI, true - case "n": - return 10, -9, DecimalSI, true - case "u": - return 10, -6, DecimalSI, true - case "m": - return 10, -3, DecimalSI, true - case "k": - return 10, 3, DecimalSI, true - case "M": - return 10, 6, DecimalSI, true - case "G": - return 10, 9, DecimalSI, true - } - return l.suffixHandler.interpret(s) -} - -func newSuffixer() suffixer { - sh := &suffixHandler{} - - // IMPORTANT: if you change this section you must change fastLookup - - sh.binSuffixes.addSuffix("Ki", bePair{2, 10}) - sh.binSuffixes.addSuffix("Mi", bePair{2, 20}) - sh.binSuffixes.addSuffix("Gi", bePair{2, 30}) - sh.binSuffixes.addSuffix("Ti", bePair{2, 40}) - sh.binSuffixes.addSuffix("Pi", bePair{2, 50}) - sh.binSuffixes.addSuffix("Ei", bePair{2, 60}) - // Don't emit an error when trying to produce - // a suffix for 2^0. - sh.decSuffixes.addSuffix("", bePair{2, 0}) - - sh.decSuffixes.addSuffix("n", bePair{10, -9}) - sh.decSuffixes.addSuffix("u", bePair{10, -6}) - sh.decSuffixes.addSuffix("m", bePair{10, -3}) - sh.decSuffixes.addSuffix("", bePair{10, 0}) - sh.decSuffixes.addSuffix("k", bePair{10, 3}) - sh.decSuffixes.addSuffix("M", bePair{10, 6}) - sh.decSuffixes.addSuffix("G", bePair{10, 9}) - sh.decSuffixes.addSuffix("T", bePair{10, 12}) - sh.decSuffixes.addSuffix("P", bePair{10, 15}) - sh.decSuffixes.addSuffix("E", bePair{10, 18}) - - return fastLookup{sh} -} - -func (sh *suffixHandler) construct(base, exponent int32, fmt Format) (s suffix, ok bool) { - switch fmt { - case DecimalSI: - return sh.decSuffixes.construct(base, exponent) - case BinarySI: - return sh.binSuffixes.construct(base, exponent) - case DecimalExponent: - if base != 10 { - return "", false - } - if exponent == 0 { - return "", true - } - return suffix("e" + strconv.FormatInt(int64(exponent), 10)), true - } - return "", false -} - -func (sh *suffixHandler) constructBytes(base, exponent int32, format Format) (s []byte, ok bool) { - switch format { - case DecimalSI: - return sh.decSuffixes.constructBytes(base, exponent) - case BinarySI: - return sh.binSuffixes.constructBytes(base, exponent) - case DecimalExponent: - if base != 10 { - return nil, false - } - if exponent == 0 { - return nil, true - } - result := make([]byte, 8, 8) - result[0] = 'e' - number := strconv.AppendInt(result[1:1], int64(exponent), 10) - if &result[1] == &number[0] { - return result[:1+len(number)], true - } - result = append(result[:1], number...) - return result, true - } - return nil, false -} - -func (sh *suffixHandler) interpret(suffix suffix) (base, exponent int32, fmt Format, ok bool) { - // Try lookup tables first - if b, e, ok := sh.decSuffixes.lookup(suffix); ok { - return b, e, DecimalSI, true - } - if b, e, ok := sh.binSuffixes.lookup(suffix); ok { - return b, e, BinarySI, true - } - - if len(suffix) > 1 && (suffix[0] == 'E' || suffix[0] == 'e') { - parsed, err := strconv.ParseInt(string(suffix[1:]), 10, 64) - if err != nil { - return 0, 0, DecimalExponent, false - } - return 10, int32(parsed), DecimalExponent, true - } - - return 0, 0, DecimalExponent, false -} |