erreur de compilation aide svp
j'ai mon code il me reste que deux erreur a corriger un aide s'il vou plai
le fichier source BloomFilter.c
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#include <iostream>
#include <fstream>
#include <iterator>
#include <algorithm>
#include <vector>
#include "BloomFilter.h"
using namespace std;
void read_file(const std::string file_name, std::vector<std::string>& buffer)
{
std::ifstream in_file(file_name.c_str());
if (!in_file)
{
return;
}
std::istream_iterator< std::string > is(in_file);
std::istream_iterator< std::string > eof;
std::copy( is, eof, std::back_inserter(buffer));
}
std::string reverse(std::string str)
{
char tempch;
/* Reverse the string */
for(unsigned int i=0; i < (str.length()/2); i++)
{
tempch = str[i];
str[i] = str[str.length() - i - 1];
str[str.length() - i - 1] = tempch;
}
return str;
}
int main(int argc, char* argv[])
{
string ch;
std::vector<std::string> word_list;
read_file("word-list.txt",word_list);
bloom_filter filter(word_list.size() * 32);
for(unsigned int i = 0; i < word_list.size(); i++)
{
filter.insert(word_list[i]);
}
for(unsigned int i = 0; i < word_list.size(); i++)
{
if (!filter.contains(word_list[i]))
{
std::cout << "ERROR: key not found!" << std::endl;
}
}
for(unsigned int i = 0; i < word_list.size(); i++)
{
if (filter.contains(word_list[i] + reverse(word_list[i])))
{
std::cout << "ERROR: key that does not exist found!" << std::endl;
}
}
return 1;
} |
voici le fichier BloomFilter.h
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#ifndef INCLUDE_BLOOM_FILTER_H
#define INCLUDE_BLOOM_FILTER_H
#include <iostream>
#include <vector>
#include "GeneralHashFunctions.h"
const unsigned int char_size = 0x08; // 8 bits in 1 char(unsigned)
const unsigned char bit_mask[8] = {
0x01, //00000001
0x02, //00000010
0x04, //00000100
0x08, //00001000
0x10, //00010000
0x20, //00100000
0x40, //01000000
0x80 //10000000
};
class bloom_filter
{
public:
bloom_filter(unsigned int tbl_size)
{
table_size = tbl_size;
hash_table = new unsigned char[table_size];
for(std::size_t i = 0; i < table_size; ++i) hash_table[i] = 0;
register_default_hash_functions();
}
~bloom_filter()
{
delete[] hash_table;
}
void register_default_hash_functions()
{
hash_function1.push_back(RSHash );
hash_function1.push_back(JSHash );
hash_function1.push_back(PJWHash );
hash_function1.push_back(BKDRHash);
hash_function1.push_back(SDBMHash);
hash_function1.push_back(DJBHash );
hash_function1.push_back(DEKHash );
hash_function1.push_back(APHash );
}
void insert(const std::string& key)
{
for(std::size_t i = 0; i < hash_function1.size(); i++)
{
unsigned int hash = (hash_function1)[i](key) % (table_size * char_size);
hash_table[hash / char_size] |= bit_mask[hash % char_size];
}
}
bool contains(const std::string& key)
{
for(std::size_t i = 0; i < hash_function1.size(); i++)
{
unsigned int hash = (hash_function1)[i](key) % (table_size * char_size);
unsigned int bit = hash % char_size;
if ((hash_table[hash / char_size] & bit_mask[bit]) != bit_mask[bit])
{
return false;
}
}
return true;
}
private:
std::vector<hash_function> hash_function1;
unsigned char* hash_table;
unsigned int table_size;
};
#endif |
et l'autre fichier .h GeneralHashFunctions.h
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#ifndef INCLUDE_GENERALHASHFUNCTION_C_H
#define INCLUDE_GENERALHASHFUNCTION_C_H
#include <stdio.h>
typedef unsigned int (*hash_function)(char*, unsigned int len);
unsigned int RSHash (char* str, unsigned int len);
unsigned int JSHash (char* str, unsigned int len);
unsigned int PJWHash (char* str, unsigned int len);
unsigned int ELFHash (char* str, unsigned int len);
unsigned int BKDRHash(char* str, unsigned int len);
unsigned int SDBMHash(char* str, unsigned int len);
unsigned int DJBHash (char* str, unsigned int len);
unsigned int DEKHash (char* str, unsigned int len);
unsigned int BPHash (char* str, unsigned int len);
unsigned int FNVHash (char* str, unsigned int len);
unsigned int APHash (char* str, unsigned int len);
#endif |
voici les erreur qu'il m'affiche
[root@localhost BloomFilter_-_CPP1]# g++ -Wall -Werror BloomFilter.c -o anisss
In file included from BloomFilter.c:6:
BloomFilter.h: In member function ‘void bloom_filter::insert(const std::string&)’:
BloomFilter.h:77: error: cannot convert ‘const std::basic_string<char, std::char_traits<char>, std::allocator<char> >’ to ‘char*’ in argument passing
BloomFilter.h: In member function ‘bool bloom_filter::contains(const std::string&)’:
BloomFilter.h:86: error: cannot convert ‘const std::basic_string<char, std::char_traits<char>, std::allocator<char> >’ to ‘char*’ in argument passing
