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// © 2020 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// charstrmap.h
// created: 2020sep01 Frank Yung-Fong Tang
#ifndef __CHARSTRMAP_H__
#define __CHARSTRMAP_H__
#include <utility>
#include "unicode/utypes.h"
#include "unicode/uobject.h"
#include "uhash.h"
U_NAMESPACE_BEGIN
/**
* Map of const char * keys & values.
* Stores pointers as is: Does not own/copy/adopt/release strings.
*/
class CharStringMap final : public UMemory {
public:
/** Constructs an unusable non-map. */
CharStringMap() : map(nullptr) {}
CharStringMap(int32_t size, UErrorCode &errorCode) {
map = uhash_openSize(uhash_hashChars, uhash_compareChars, uhash_compareChars,
size, &errorCode);
}
CharStringMap(CharStringMap &&other) noexcept : map(other.map) {
other.map = nullptr;
}
CharStringMap(const CharStringMap &other) = delete;
~CharStringMap() {
uhash_close(map);
}
CharStringMap &operator=(CharStringMap &&other) noexcept {
map = other.map;
other.map = nullptr;
return *this;
}
CharStringMap &operator=(const CharStringMap &other) = delete;
const char *get(const char *key) const { return static_cast<const char *>(uhash_get(map, key)); }
void put(const char *key, const char *value, UErrorCode &errorCode) {
uhash_put(map, const_cast<char *>(key), const_cast<char *>(value), &errorCode);
}
private:
UHashtable *map;
};
U_NAMESPACE_END
#endif // __CHARSTRMAP_H__
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