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Anna Henningsen
21fb98e2bf
Remove the dependency on ICU for this part, as well as the hacky way of converting embedder main sources to UTF-8 via V8 APIs. Allow `UnionBytes` to own the memory its pointing to in order to simplify the code on the `BuiltinLoader` side. PR-URL: https://github.com/nodejs/node/pull/46119 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
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#ifndef SRC_NODE_UNION_BYTES_H_
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#define SRC_NODE_UNION_BYTES_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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// A union of const uint8_t* or const uint16_t* data that can be
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// turned into external v8::String when given an isolate.
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#include "v8.h"
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namespace node {
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// Similar to a v8::String, but it's independent from Isolates
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// and can be materialized in Isolates as external Strings
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// via ToStringChecked.
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class UnionBytes {
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public:
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UnionBytes(const uint16_t* data, size_t length)
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: one_bytes_(nullptr), two_bytes_(data), length_(length) {}
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UnionBytes(const uint8_t* data, size_t length)
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: one_bytes_(data), two_bytes_(nullptr), length_(length) {}
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template <typename T> // T = uint8_t or uint16_t
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explicit UnionBytes(std::shared_ptr<std::vector</*const*/ T>> data)
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: UnionBytes(data->data(), data->size()) {
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owning_ptr_ = data;
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}
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UnionBytes(const UnionBytes&) = default;
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UnionBytes& operator=(const UnionBytes&) = default;
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UnionBytes(UnionBytes&&) = default;
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UnionBytes& operator=(UnionBytes&&) = default;
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bool is_one_byte() const { return one_bytes_ != nullptr; }
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const uint16_t* two_bytes_data() const {
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CHECK_NOT_NULL(two_bytes_);
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return two_bytes_;
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}
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const uint8_t* one_bytes_data() const {
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CHECK_NOT_NULL(one_bytes_);
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return one_bytes_;
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}
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v8::Local<v8::String> ToStringChecked(v8::Isolate* isolate) const;
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size_t length() const { return length_; }
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private:
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const uint8_t* one_bytes_;
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const uint16_t* two_bytes_;
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size_t length_;
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std::shared_ptr<void> owning_ptr_;
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};
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_UNION_BYTES_H_
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