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Code Issues Releases Activity

#135 fix leading zero

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This commit is contained in:
Tao Wen
2017-07-18 11:23:29 +08:00
parent c966eaa031
commit 18d6ae2668
3 changed files with 97 additions and 1 deletions
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60
feature_iter_float.go
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@@ -78,6 +78,35 @@ func (iter *Iterator) readPositiveFloat32() (ret float32) {
value := uint64(0)
c := byte(' ')
i := iter.head
// first char
if i == iter.tail {
return iter.readFloat32SlowPath()
}
c = iter.buf[i]
i++
ind := floatDigits[c]
switch ind {
case invalidCharForNumber:
return iter.readFloat32SlowPath()
case endOfNumber:
iter.ReportError("readFloat32", "empty number")
return
case dotInNumber:
iter.ReportError("readFloat32", "leading dot is invalid")
return
case 0:
if i == iter.tail {
return iter.readFloat32SlowPath()
}
c = iter.buf[i]
switch c {
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
iter.ReportError("readFloat32", "leading zero is invalid")
return
}
}
value = uint64(ind)
// chars before dot
non_decimal_loop:
for ; i < iter.tail; i++ {
c = iter.buf[i]
@@ -96,6 +125,7 @@ non_decimal_loop:
}
value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind;
}
// chars after dot
if c == '.' {
i++
decimalPlaces := 0
@@ -189,6 +219,35 @@ func (iter *Iterator) readPositiveFloat64() (ret float64) {
value := uint64(0)
c := byte(' ')
i := iter.head
// first char
if i == iter.tail {
return iter.readFloat64SlowPath()
}
c = iter.buf[i]
i++
ind := floatDigits[c]
switch ind {
case invalidCharForNumber:
return iter.readFloat64SlowPath()
case endOfNumber:
iter.ReportError("readFloat64", "empty number")
return
case dotInNumber:
iter.ReportError("readFloat64", "leading dot is invalid")
return
case 0:
if i == iter.tail {
return iter.readFloat64SlowPath()
}
c = iter.buf[i]
switch c {
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
iter.ReportError("readFloat64", "leading zero is invalid")
return
}
}
value = uint64(ind)
// chars before dot
non_decimal_loop:
for ; i < iter.tail; i++ {
c = iter.buf[i]
@@ -207,6 +266,7 @@ non_decimal_loop:
}
value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind;
}
// chars after dot
if c == '.' {
i++
decimalPlaces := 0