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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <stddef.h> |
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#include "type.h" |
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/** |
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* @brief Return a copy of this string |
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* |
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* @param s The string |
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* @return void* The copy of this string |
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*/ |
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void* str_copy(const void* s) { |
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char* copy = (char*)malloc(sizeof(*copy) * (strlen(s) + 1)); |
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strcpy(copy, s); |
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return copy; |
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} |
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/** |
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* @brief Return a representation of this string in a rope_t |
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* |
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* @param s The string |
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* @return rope_t* The representation of this string |
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*/ |
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rope_t* str_repr(const void* s) { |
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char* temp = (char*)malloc(sizeof(*temp) * (strlen(s) + 3)); |
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sprintf(temp, "\"%s\"", (const char*)s); |
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rope_t* r = rope_create_with(temp); |
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free(temp); |
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return r; |
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} |
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/** |
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* @brief Return a hash of this string using djb2 |
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* |
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* @param s The string |
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* @return uint64_t The hash of this string |
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*/ |
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uint64_t str_hash(const void* s) { |
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uint64_t hash = 5381; |
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char c; |
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while ((c = *(const char*)s++)) |
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hash = ((hash << 5) + hash) + c; |
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return hash; |
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} |
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/// @brief String type |
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const type_t* str_type = &(type_t){ |
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.identifier = "str", |
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.destroy = free, |
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.copy = str_copy, |
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.repr = str_repr, |
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.hash = str_hash, |
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.cmp = (int (*const)(const void *, const void *))strcmp |
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}; |
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