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test read string and read string as slice

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This commit is contained in:
Tao Wen
2017-01-16 23:57:09 +08:00
parent e7ff7339b2
commit 6efc6c44ac
4 changed files with 62 additions and 84 deletions
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20
feature_iter_string.go
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@ -27,6 +27,15 @@ func (iter *Iterator) ReadString() (ret string) {
copied[j] = c
j++
}
if i == iter.tail {
if iter.loadMore() {
i = iter.head
continue
} else {
iter.reportError("ReadString", "incomplete string")
return
}
}
iter.head = i
if j == len(copied) {
newBuf := make([]byte, len(copied) * 2)
@ -108,22 +117,23 @@ func (iter *Iterator) readStringSlowPath(str []byte) (ret string) {
return
}
func (iter *Iterator) readStringAsBytes() (ret []byte) {
func (iter *Iterator) ReadStringAsSlice() (ret []byte) {
c := iter.nextToken()
if c == '"' {
for i := iter.head; i < iter.tail; i++ {
c := iter.buf[i]
if c == '"' {
// require ascii string and no escape
// for: field name, base64, number
if iter.buf[i] == '"' {
// fast path: reuse the underlying buffer
ret = iter.buf[iter.head : i]
iter.head = i + 1
return ret
}
}
iter.head = iter.tail
readLen := iter.tail - iter.head
copied := make([]byte, readLen, readLen * 2)
copy(copied, iter.buf[iter.head:iter.tail])
iter.head = iter.tail
for iter.Error == nil {
c := iter.readByte()
if c == '"' {
@ -131,7 +141,7 @@ func (iter *Iterator) readStringAsBytes() (ret []byte) {
}
copied = append(copied, c)
}
return
return copied
}
if c == 'n' {
iter.skipUntilBreak()