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authorWim <wim@42.be>2021-10-16 23:11:32 +0200
committerWim <wim@42.be>2021-10-16 23:23:24 +0200
commit20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 (patch)
tree230edca06449a8d1755f08aabf45a03e07e6f17c /vendor/github.com/json-iterator/go/iter_skip.go
parent57fce93af7f64f025cec6f3ed6088163086bc9fe (diff)
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Update vendor
Diffstat (limited to 'vendor/github.com/json-iterator/go/iter_skip.go')
-rw-r--r--vendor/github.com/json-iterator/go/iter_skip.go130
1 files changed, 130 insertions, 0 deletions
diff --git a/vendor/github.com/json-iterator/go/iter_skip.go b/vendor/github.com/json-iterator/go/iter_skip.go
new file mode 100644
index 00000000..e91eefb1
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/iter_skip.go
@@ -0,0 +1,130 @@
+package jsoniter
+
+import "fmt"
+
+// ReadNil reads a json object as nil and
+// returns whether it's a nil or not
+func (iter *Iterator) ReadNil() (ret bool) {
+ c := iter.nextToken()
+ if c == 'n' {
+ iter.skipThreeBytes('u', 'l', 'l') // null
+ return true
+ }
+ iter.unreadByte()
+ return false
+}
+
+// ReadBool reads a json object as BoolValue
+func (iter *Iterator) ReadBool() (ret bool) {
+ c := iter.nextToken()
+ if c == 't' {
+ iter.skipThreeBytes('r', 'u', 'e')
+ return true
+ }
+ if c == 'f' {
+ iter.skipFourBytes('a', 'l', 's', 'e')
+ return false
+ }
+ iter.ReportError("ReadBool", "expect t or f, but found "+string([]byte{c}))
+ return
+}
+
+// SkipAndReturnBytes skip next JSON element, and return its content as []byte.
+// The []byte can be kept, it is a copy of data.
+func (iter *Iterator) SkipAndReturnBytes() []byte {
+ iter.startCapture(iter.head)
+ iter.Skip()
+ return iter.stopCapture()
+}
+
+// SkipAndAppendBytes skips next JSON element and appends its content to
+// buffer, returning the result.
+func (iter *Iterator) SkipAndAppendBytes(buf []byte) []byte {
+ iter.startCaptureTo(buf, iter.head)
+ iter.Skip()
+ return iter.stopCapture()
+}
+
+func (iter *Iterator) startCaptureTo(buf []byte, captureStartedAt int) {
+ if iter.captured != nil {
+ panic("already in capture mode")
+ }
+ iter.captureStartedAt = captureStartedAt
+ iter.captured = buf
+}
+
+func (iter *Iterator) startCapture(captureStartedAt int) {
+ iter.startCaptureTo(make([]byte, 0, 32), captureStartedAt)
+}
+
+func (iter *Iterator) stopCapture() []byte {
+ if iter.captured == nil {
+ panic("not in capture mode")
+ }
+ captured := iter.captured
+ remaining := iter.buf[iter.captureStartedAt:iter.head]
+ iter.captureStartedAt = -1
+ iter.captured = nil
+ return append(captured, remaining...)
+}
+
+// Skip skips a json object and positions to relatively the next json object
+func (iter *Iterator) Skip() {
+ c := iter.nextToken()
+ switch c {
+ case '"':
+ iter.skipString()
+ case 'n':
+ iter.skipThreeBytes('u', 'l', 'l') // null
+ case 't':
+ iter.skipThreeBytes('r', 'u', 'e') // true
+ case 'f':
+ iter.skipFourBytes('a', 'l', 's', 'e') // false
+ case '0':
+ iter.unreadByte()
+ iter.ReadFloat32()
+ case '-', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+ iter.skipNumber()
+ case '[':
+ iter.skipArray()
+ case '{':
+ iter.skipObject()
+ default:
+ iter.ReportError("Skip", fmt.Sprintf("do not know how to skip: %v", c))
+ return
+ }
+}
+
+func (iter *Iterator) skipFourBytes(b1, b2, b3, b4 byte) {
+ if iter.readByte() != b1 {
+ iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
+ return
+ }
+ if iter.readByte() != b2 {
+ iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
+ return
+ }
+ if iter.readByte() != b3 {
+ iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
+ return
+ }
+ if iter.readByte() != b4 {
+ iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
+ return
+ }
+}
+
+func (iter *Iterator) skipThreeBytes(b1, b2, b3 byte) {
+ if iter.readByte() != b1 {
+ iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
+ return
+ }
+ if iter.readByte() != b2 {
+ iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
+ return
+ }
+ if iter.readByte() != b3 {
+ iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
+ return
+ }
+}