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| author | Stefan Majewsky <majewsky@gmx.net> | 2018-02-07 19:58:03 +0100 |
|---|---|---|
| committer | Stefan Majewsky <majewsky@gmx.net> | 2018-02-07 19:58:03 +0100 |
| commit | 99ef0307e75fecc469f63a82bb72d1b697e14fff (patch) | |
| tree | 7114579ba523dc54b92b9bbea9d12dced4c02bcf /headers/uint64.go | |
| parent | 801b5207dcbf3438e7612e1f7edc9de32ce0780c (diff) | |
| download | go-schwift-99ef0307e75fecc469f63a82bb72d1b697e14fff.tar.gz | |
finish moving towards new auto-generated Headers implementation
Everything in one package once more. The bigger API in *this* package is
worth it when we don't have to expose guts to cross package boundaries.
Diffstat (limited to 'headers/uint64.go')
| -rw-r--r-- | headers/uint64.go | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/headers/uint64.go b/headers/uint64.go deleted file mode 100644 index 6e8668b..0000000 --- a/headers/uint64.go +++ /dev/null @@ -1,120 +0,0 @@ -/****************************************************************************** -* -* Copyright 2018 Stefan Majewsky <majewsky@gmx.net> -* -* 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 headers - -import ( - "strconv" -) - -//Uint64 is a helper type that provides type-safe access to a Swift header -//whose value is an unsigned integer. It cannot be directly constructed, but -//some subtypes of schwift.Headers have fields of this type. For example: -// -// var hdr AccountHeaders -// //the following two statements are equivalent: -// hdr.Set("X-Account-Meta-Quota-Bytes", "1048576") -// hdr.QuotaBytes.Set(1 << 20) -// //because hdr.QuotaBytes is a headers.Uint64 instance -type Uint64 struct { - Base -} - -//Exists checks whether there is a value for this header. -func (f Uint64) Exists() bool { - return f.H.Get(f.K) != "" -} - -//Get returns the value for this header, or 0 if there is no value (or if it is -//not a valid uint64). -func (f Uint64) Get() uint64 { - v, err := strconv.ParseUint(f.H.Get(f.K), 10, 64) - if err != nil { - return 0 - } - return v -} - -//Set writes a new value for this header into the corresponding schwift.Headers -//instance. -func (f Uint64) Set(value uint64) { - f.H.Set(f.K, strconv.FormatUint(value, 10)) -} - -//Del removes this key from the original schwift.Headers instance, so that the -//key will remain unchanged on the server during Update(). -func (f Uint64) Del() { - f.H.Del(f.K) -} - -//Clear sets this key to an empty string in the original schwift.Headers -//instance, so that the key will be removed on the server during Update(). -func (f Uint64) Clear() { - f.H.Clear(f.K) -} - -//Validate is only used internally, but needs to be exported to cross package -//boundaries. -func (f Uint64) Validate() error { - val := f.H.Get(f.K) - if val == "" { - return nil - } - _, err := strconv.ParseUint(val, 10, 64) - if err == nil { - return nil - } - return MalformedHeaderError{f.K, err} -} - -//////////////////////////////////////////////////////////////////////////////// - -//Uint64Readonly is a readonly variant of Uint64. It is used for fields that -//cannot be set by the client. -type Uint64Readonly struct { - Base -} - -//Exists checks whether there is a value for this header. -func (f Uint64Readonly) Exists() bool { - return f.H.Get(f.K) != "" -} - -//Get returns the value for this header, or 0 if there is no value (or if it is -//not a valid uint64). -func (f Uint64Readonly) Get() uint64 { - v, err := strconv.ParseUint(f.H.Get(f.K), 10, 64) - if err != nil { - return 0 - } - return v -} - -//Validate is only used internally, but needs to be exported to cross package -//boundaries. -func (f Uint64Readonly) Validate() error { - val := f.H.Get(f.K) - if val == "" { - return nil - } - _, err := strconv.ParseUint(val, 10, 64) - if err == nil { - return nil - } - return MalformedHeaderError{f.K, err} -} |
