36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
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#ifndef INCLUDED_C_RABINKARP_H
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#define INCLUDED_C_RABINKARP_H
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#ifndef INCLUDED_C_TYPES_H
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#include <c_Types.h>
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#endif /*INCLUDED_C_TYPES_H*/
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#ifndef INCLUDED_C_ALLOCATOR_H
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#include <c_Allocator.h>
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#endif /*INCLUDED_C_ALLOCATOR_H*/
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* */
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typedef struct {
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char* pattern; // 独立深拷贝转储的模式串（子串）载体
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c_size_t m_len; // 模式串的有效字符物理长度 (M)
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uint64_t pattern_hash; // 模式串的数字指纹哈希码值
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uint64_t RM; // 滚动哈希最高位字符的位移系数权重乘子： R^(M-1) % Q
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uint64_t Q_prime; // 滚动哈希专用的大素数取模基数 (Q)
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uint64_t R_base; // 字母表物理基数 (常数项乘子，扩展 ASCII 固定为 256)
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c_Allocator_t allocator; // 统一的内联组合分配器实例
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} c_RabinKarp_t;
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* */
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c_err_t c_RabinKarp_Init(c_RabinKarp_t* self, const char* pattern, c_Allocator_t* allocator);
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c_err_t c_RabinKarp_Search(const c_RabinKarp_t* self, const char* text, c_size_t* out_index);
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void c_RabinKarp_Destroy(c_RabinKarp_t* self);
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#endif /*INCLUDED_C_RABINKARP_H*/
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