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117 lines
2.9 KiB
117 lines
2.9 KiB
package cbor |
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import "fmt" |
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// AppendStrings encodes and adds an array of strings to the dst byte array. |
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func (e Encoder) AppendStrings(dst []byte, vals []string) []byte { |
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major := majorTypeArray |
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l := len(vals) |
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if l <= additionalMax { |
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lb := byte(l) |
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dst = append(dst, major|lb) |
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} else { |
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dst = appendCborTypePrefix(dst, major, uint64(l)) |
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} |
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for _, v := range vals { |
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dst = e.AppendString(dst, v) |
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} |
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return dst |
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} |
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// AppendString encodes and adds a string to the dst byte array. |
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func (Encoder) AppendString(dst []byte, s string) []byte { |
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major := majorTypeUtf8String |
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l := len(s) |
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if l <= additionalMax { |
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lb := byte(l) |
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dst = append(dst, major|lb) |
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} else { |
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dst = appendCborTypePrefix(dst, majorTypeUtf8String, uint64(l)) |
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} |
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return append(dst, s...) |
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} |
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// AppendStringers encodes and adds an array of Stringer values |
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// to the dst byte array. |
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func (e Encoder) AppendStringers(dst []byte, vals []fmt.Stringer) []byte { |
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if len(vals) == 0 { |
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return e.AppendArrayEnd(e.AppendArrayStart(dst)) |
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} |
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dst = e.AppendArrayStart(dst) |
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dst = e.AppendStringer(dst, vals[0]) |
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if len(vals) > 1 { |
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for _, val := range vals[1:] { |
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dst = e.AppendStringer(dst, val) |
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} |
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} |
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return e.AppendArrayEnd(dst) |
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} |
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// AppendStringer encodes and adds the Stringer value to the dst |
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// byte array. |
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func (e Encoder) AppendStringer(dst []byte, val fmt.Stringer) []byte { |
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if val == nil { |
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return e.AppendNil(dst) |
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} |
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return e.AppendString(dst, val.String()) |
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} |
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// AppendBytes encodes and adds an array of bytes to the dst byte array. |
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func (Encoder) AppendBytes(dst, s []byte) []byte { |
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major := majorTypeByteString |
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l := len(s) |
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if l <= additionalMax { |
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lb := byte(l) |
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dst = append(dst, major|lb) |
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} else { |
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dst = appendCborTypePrefix(dst, major, uint64(l)) |
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} |
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return append(dst, s...) |
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} |
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// AppendEmbeddedJSON adds a tag and embeds input JSON as such. |
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func AppendEmbeddedJSON(dst, s []byte) []byte { |
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major := majorTypeTags |
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minor := additionalTypeEmbeddedJSON |
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// Append the TAG to indicate this is Embedded JSON. |
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dst = append(dst, major|additionalTypeIntUint16) |
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dst = append(dst, byte(minor>>8)) |
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dst = append(dst, byte(minor&0xff)) |
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// Append the JSON Object as Byte String. |
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major = majorTypeByteString |
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l := len(s) |
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if l <= additionalMax { |
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lb := byte(l) |
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dst = append(dst, major|lb) |
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} else { |
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dst = appendCborTypePrefix(dst, major, uint64(l)) |
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} |
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return append(dst, s...) |
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} |
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// AppendEmbeddedCBOR adds a tag and embeds input CBOR as such. |
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func AppendEmbeddedCBOR(dst, s []byte) []byte { |
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major := majorTypeTags |
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minor := additionalTypeEmbeddedCBOR |
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// Append the TAG to indicate this is Embedded JSON. |
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dst = append(dst, major|additionalTypeIntUint8) |
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dst = append(dst, minor) |
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// Append the CBOR Object as Byte String. |
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major = majorTypeByteString |
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l := len(s) |
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if l <= additionalMax { |
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lb := byte(l) |
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dst = append(dst, major|lb) |
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} else { |
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dst = appendCborTypePrefix(dst, major, uint64(l)) |
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} |
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return append(dst, s...) |
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}
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