1#ifndef SIMDJSON_INTERNAL_TAPE_REF_H
2#define SIMDJSON_INTERNAL_TAPE_REF_H
3
4#include "simdjson/internal/tape_type.h"
5
6namespace simdjson {
7
8namespace dom {
9 class document;
10}
11
12namespace internal {
13
14constexpr const uint64_t JSON_VALUE_MASK = 0x00FFFFFFFFFFFFFF;
15constexpr const uint32_t JSON_COUNT_MASK = 0xFFFFFF;
16
17/**
18 * A reference to an element on the tape. Internal only.
19 */
20class tape_ref {
21public:
22 simdjson_inline tape_ref() noexcept;
23 simdjson_inline tape_ref(const dom::document *doc, size_t json_index) noexcept;
24 inline size_t after_element() const noexcept;
25 simdjson_inline tape_type tape_ref_type() const noexcept;
26 simdjson_inline uint64_t tape_value() const noexcept;
27 simdjson_inline bool is_double() const noexcept;
28 simdjson_inline bool is_int64() const noexcept;
29 simdjson_inline bool is_uint64() const noexcept;
30 simdjson_inline bool is_false() const noexcept;
31 simdjson_inline bool is_true() const noexcept;
32 simdjson_inline bool is_null_on_tape() const noexcept;// different name to avoid clash with is_null.
33 simdjson_inline uint32_t matching_brace_index() const noexcept;
34 simdjson_inline uint32_t scope_count() const noexcept;
35 template<typename T>
36 simdjson_inline T next_tape_value() const noexcept;
37 simdjson_inline uint32_t get_string_length() const noexcept;
38 simdjson_inline const char * get_c_str() const noexcept;
39 inline std::string_view get_string_view() const noexcept;
40 simdjson_inline bool is_document_root() const noexcept;
41 simdjson_inline bool usable() const noexcept;
42
43 /** The document this element references. */
44 const dom::document *doc;
45
46 /** The index of this element on `doc.tape[]` */
47 size_t json_index;
48};
49
50} // namespace internal
51} // namespace simdjson
52
53#endif // SIMDJSON_INTERNAL_TAPE_REF_H
54