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support integer types

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This commit is contained in:
Tao Wen
2016-12-04 21:32:43 +08:00
parent 38e256e526
commit fafa785306
3 changed files with 241 additions and 0 deletions
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70
jsoniter.go
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@ -95,6 +95,46 @@ const cutoffUint64 = maxUint64 / 10 + 1
const maxUint32 = (1 << 32 - 1)
const cutoffUint32 = maxUint32 / 10 + 1
func (iter *Iterator) ReadUint() (ret uint) {
val := iter.ReadUint64()
converted := uint(val)
if uint64(converted) != val {
iter.ReportError("ReadUint", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadUint8() (ret uint8) {
val := iter.ReadUint64()
converted := uint8(val)
if uint64(converted) != val {
iter.ReportError("ReadUint8", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadUint16() (ret uint16) {
val := iter.ReadUint64()
converted := uint16(val)
if uint64(converted) != val {
iter.ReportError("ReadUint16", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadUint32() (ret uint32) {
val := iter.ReadUint64()
converted := uint32(val)
if uint64(converted) != val {
iter.ReportError("ReadUint32", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadUint64() (ret uint64) {
c := iter.readByte()
if iter.Error != nil {
@ -142,6 +182,36 @@ func (iter *Iterator) ReadInt() (ret int) {
return converted
}
func (iter *Iterator) ReadInt8() (ret int8) {
val := iter.ReadInt64()
converted := int8(val)
if int64(converted) != val {
iter.ReportError("ReadInt8", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadInt16() (ret int16) {
val := iter.ReadInt64()
converted := int16(val)
if int64(converted) != val {
iter.ReportError("ReadInt16", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadInt32() (ret int32) {
val := iter.ReadInt64()
converted := int32(val)
if int64(converted) != val {
iter.ReportError("ReadInt32", "int overflow")
return
}
return converted
}
func (iter *Iterator) ReadInt64() (ret int64) {
c := iter.readByte()
if iter.Error != nil {