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#include "utf8.h"
using namespace utf8;
#include <string>
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
const unsigned INVALID_LINES[] = { 75, 76, 83, 84, 85, 93, 102, 103, 105, 106, 107, 108, 109, 110, 114, 115, 116, 117, 124, 125, 130, 135, 140, 145, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 169, 175, 176, 177, 207, 208, 209, 210, 211, 220, 221, 222, 223, 224, 232, 233, 234, 235, 236, 247, 248, 249, 250, 251, 252, 253, 257, 258, 259, 260, 261, 262, 263, 264};
const unsigned* INVALID_LINES_END = INVALID_LINES + sizeof(INVALID_LINES)/sizeof(unsigned);
int main(int argc, char** argv)
{
string test_file_path;
if (argc == 2)
test_file_path = argv[1];
else {
cout << "Wrong number of arguments" << endl;
return 1;
}
// Open the test file
ifstream fs8(test_file_path.c_str());
if (!fs8.is_open()) {
cout << "Could not open " << test_file_path << endl;
return 1;
}
// Read it line by line
unsigned int line_count = 0;
char byte;
while (!fs8.eof()) {
string line;
while ((byte = static_cast<char>(fs8.get())) != '\n' && !fs8.eof())
line.push_back(byte);
line_count++;
bool expected_valid = (find(INVALID_LINES, INVALID_LINES_END, line_count) == INVALID_LINES_END);
// Print out lines that contain unexpected invalid UTF-8
if (!is_valid(line.begin(), line.end())) {
if (expected_valid) {
cout << "Unexpected invalid utf-8 at line " << line_count << '\n';
return 1;
}
// try fixing it:
string fixed_line;
replace_invalid(line.begin(), line.end(), back_inserter(fixed_line));
if (!is_valid(fixed_line.begin(), fixed_line.end())) {
cout << "replace_invalid() resulted in an invalid utf-8 at line " << line_count << '\n';
return 1;
}
}
else if (!expected_valid) {
cout << "Invalid utf-8 NOT detected at line " << line_count << '\n';
return 1;
}
}
}
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