hasher.hpp

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#ifndef __HASHER_HPP__
#define __HASHER_HPP__
// C++ libs
#include "string"
#include "vector"
// Project headers
#include "../CBuild_defs.hpp"
#include "../filesystem++.hpp"
#include "../map.hpp"
#include "stdint.h"
// Code
namespace CBuild {
inline uint64_t hash_djb2(std::string str) {
    uint64_t hash = 5381;
    for (auto c : str) {
        hash = ((hash << 5) + hash) + (uint64_t)c;
    }
    return hash;
}
inline uint64_t hash_fnv_1a(std::string str) {
    uint64_t hash = 14695981039346656037ULL;
    for (char c : str) {
        hash ^= ((uint64_t)(c));
        hash *= 1099511628211ULL;
    }
    return hash;
}
class Hash {
  protected:
    std::string target_id;
 
  public:
    Hash(std::string target_id) {
        this->target_id = target_id;
    }
    virtual lib::map<std::string, std::string>
    get_files_for_recompilation(std::vector<std::string> file_list,
                                std::vector<std::string> objects_list) = 0;
    virtual int compare_and_set_cargs(std::vector<std::string> cargs) = 0;
    virtual int compare_and_set_largs(std::vector<std::string> largs) = 0;
    virtual int compare_and_set_commands(std::string compiler, std::string linker,
                                         std::string packer) = 0;
    virtual int compare_and_set_output_file(std::string out) = 0;
    virtual void set_target_meta(std::vector<std::string> cargs, std::vector<std::string> largs,
                                 std::string out, std::string compiler, std::string linker,
                                 std::string packer) = 0;
};
} // namespace CBuild
#endif // __HASHER_HPP__