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//+build jsoniter_sloppy
package jsoniter
// sloppy but faster implementation, do not validate the input json
func (iter *Iterator) skipNumber() {
for {
for i := iter.head; i < iter.tail; i++ {
c := iter.buf[i]
switch c {
case ' ', '\n', '\r', '\t', ',', '}', ']':
iter.head = i
return
}
}
if !iter.loadMore() {
return
}
}
}
func (iter *Iterator) skipArray() {
level := 1
if !iter.incrementDepth() {
return
}
for {
for i := iter.head; i < iter.tail; i++ {
switch iter.buf[i] {
case '"': // If inside string, skip it
iter.head = i + 1
iter.skipString()
i = iter.head - 1 // it will be i++ soon
case '[': // If open symbol, increase level
level++
if !iter.incrementDepth() {
return
}
case ']': // If close symbol, increase level
level--
if !iter.decrementDepth() {
return
}
// If we have returned to the original level, we're done
if level == 0 {
iter.head = i + 1
return
}
}
}
if !iter.loadMore() {
iter.ReportError("skipObject", "incomplete array")
return
}
}
}
func (iter *Iterator) skipObject() {
level := 1
if !iter.incrementDepth() {
return
}
for {
for i := iter.head; i < iter.tail; i++ {
switch iter.buf[i] {
case '"': // If inside string, skip it
iter.head = i + 1
iter.skipString()
i = iter.head - 1 // it will be i++ soon
case '{': // If open symbol, increase level
level++
if !iter.incrementDepth() {
return
}
case '}': // If close symbol, increase level
level--
if !iter.decrementDepth() {
return
}
// If we have returned to the original level, we're done
if level == 0 {
iter.head = i + 1
return
}
}
}
if !iter.loadMore() {
iter.ReportError("skipObject", "incomplete object")
return
}
}
}
func (iter *Iterator) skipString() {
for {
end, escaped := iter.findStringEnd()
if end == -1 {
if !iter.loadMore() {
iter.ReportError("skipString", "incomplete string")
return
}
if escaped {
iter.head = 1 // skip the first char as last char read is \
}
} else {
iter.head = end
return
}
}
}
// adapted from: https://github.com/buger/jsonparser/blob/master/parser.go
// Tries to find the end of string
// Support if string contains escaped quote symbols.
func (iter *Iterator) findStringEnd() (int, bool) {
escaped := false
for i := iter.head; i < iter.tail; i++ {
c := iter.buf[i]
if c == '"' {
if !escaped {
return i + 1, false
}
j := i - 1
for {
if j < iter.head || iter.buf[j] != '\\' {
// even number of backslashes
// either end of buffer, or " found
return i + 1, true
}
j--
if j < iter.head || iter.buf[j] != '\\' {
// odd number of backslashes
// it is \" or \\\"
break
}
j--
}
} else if c == '\\' {
escaped = true
}
}
j := iter.tail - 1
for {
if j < iter.head || iter.buf[j] != '\\' {
// even number of backslashes
// either end of buffer, or " found
return -1, false // do not end with \
}
j--
if j < iter.head || iter.buf[j] != '\\' {
// odd number of backslashes
// it is \" or \\\"
break
}
j--
}
return -1, true // end with \
}
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