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document.h
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78 lines (66 loc) · 1.83 KB
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#ifndef SIMDJSON_DOM_DOCUMENT_H
#define SIMDJSON_DOM_DOCUMENT_H
#include "simdjson/common_defs.h"
#include "simdjson/minify.h"
#include <memory>
#include <ostream>
namespace simdjson {
namespace dom {
class element;
/**
* A parsed JSON document.
*
* This class cannot be copied, only moved, to avoid unintended allocations.
*/
class document {
public:
/**
* Create a document container with zero capacity.
*
* The parser will allocate capacity as needed.
*/
document() noexcept = default;
~document() noexcept = default;
/**
* Take another document's buffers.
*
* @param other The document to take. Its capacity is zeroed and it is invalidated.
*/
document(document &&other) noexcept = default;
/** @private */
document(const document &) = delete; // Disallow copying
/**
* Take another document's buffers.
*
* @param other The document to take. Its capacity is zeroed.
*/
document &operator=(document &&other) noexcept = default;
/** @private */
document &operator=(const document &) = delete; // Disallow copying
/**
* Get the root element of this document as a JSON array.
*/
element root() const noexcept;
/**
* @private Dump the raw tape for debugging.
*
* @param os the stream to output to.
* @return false if the tape is likely wrong (e.g., you did not parse a valid JSON).
*/
bool dump_raw_tape(std::ostream &os) const noexcept;
/** @private Structural values. */
std::unique_ptr<uint64_t[]> tape{};
/** @private String values.
*
* Should be at least byte_capacity.
*/
std::unique_ptr<uint8_t[]> string_buf{};
private:
inline error_code allocate(size_t len) noexcept;
template<typename T>
friend class simdjson::minifier;
friend class parser;
}; // class document
} // namespace dom
} // namespace simdjson
#endif // SIMDJSON_DOM_DOCUMENT_H