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69 lines
2.1 KiB
69 lines
2.1 KiB
//
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// DISCLAIMER
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//
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// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License}
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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// Author Ewout Prangsma
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//
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package velocypack
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import "encoding/binary"
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// NoneSlice creates a slice of type None
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func NoneSlice() Slice { return Slice{0x00} }
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// IllegalSlice creates a slice of type Illegal
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func IllegalSlice() Slice { return Slice{0x17} }
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// NullSlice creates a slice of type Null
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func NullSlice() Slice { return Slice{0x18} }
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// FalseSlice creates a slice of type Boolean with false value
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func FalseSlice() Slice { return Slice{0x19} }
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// TrueSlice creates a slice of type Boolean with true value
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func TrueSlice() Slice { return Slice{0x1a} }
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// ZeroSlice creates a slice of type Smallint(0)
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func ZeroSlice() Slice { return Slice{0x30} }
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// EmptyArraySlice creates a slice of type Array, empty
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func EmptyArraySlice() Slice { return Slice{0x01} }
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// EmptyObjectSlice creates a slice of type Object, empty
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func EmptyObjectSlice() Slice { return Slice{0x0a} }
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// MinKeySlice creates a slice of type MinKey
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func MinKeySlice() Slice { return Slice{0x1e} }
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// MaxKeySlice creates a slice of type MaxKey
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func MaxKeySlice() Slice { return Slice{0x1f} }
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// StringSlice creates a slice of type String with given string value
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func StringSlice(s string) Slice {
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raw := []byte(s)
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l := len(raw)
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if l <= 126 {
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return Slice(append([]byte{byte(0x40 + l)}, raw...))
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}
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buf := make([]byte, 1+8+l)
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buf[0] = 0xbf
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binary.LittleEndian.PutUint64(buf[1:], uint64(l))
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copy(buf[1+8:], raw)
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return buf
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}
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