134 lines
5.5 KiB
C++
134 lines
5.5 KiB
C++
#include "../../source/utf8.h"
|
|
using namespace utf8;
|
|
|
|
#include <string>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <vector>
|
|
using namespace std;
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (argc != 2) {
|
|
cout << "\nUsage: utfreader filename\n";
|
|
return 0;
|
|
}
|
|
const char* TEST_FILE_PATH = argv[1];
|
|
// Open the test file
|
|
ifstream fs8(TEST_FILE_PATH);
|
|
if (!fs8.is_open()) {
|
|
cout << "Could not open " << TEST_FILE_PATH << endl;
|
|
return 0;
|
|
}
|
|
|
|
// 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++;
|
|
// Play around with each line and convert it to utf16
|
|
string::iterator line_start = line.begin();
|
|
string::iterator line_end = line.end();
|
|
line_end = find_invalid(line_start, line_end);
|
|
if (line_end != line.end())
|
|
cout << "Line " << line_count << ": Invalid utf-8 at byte " << line.end() - line_end << '\n';
|
|
|
|
// Convert it to utf-16 and write to the file
|
|
vector<unsigned short> utf16_line;
|
|
utf8to16(line_start, line_end, back_inserter(utf16_line));
|
|
|
|
// Back to utf-8 and compare it to the original line.
|
|
string back_to_utf8;
|
|
utf16to8(utf16_line.begin(), utf16_line.end(), back_inserter(back_to_utf8));
|
|
if (back_to_utf8.compare(string(line_start, line_end)) != 0)
|
|
cout << "Line " << line_count << ": Conversion to UTF-16 and back failed" << '\n';
|
|
|
|
// Now, convert it to utf-32, back to utf-8 and compare
|
|
vector <unsigned> utf32_line;
|
|
utf8to32(line_start, line_end, back_inserter(utf32_line));
|
|
back_to_utf8.clear();
|
|
utf32to8(utf32_line.begin(), utf32_line.end(), back_inserter(back_to_utf8));
|
|
if (back_to_utf8.compare(string(line_start, line_end)) != 0)
|
|
cout << "Line " << line_count << ": Conversion to UTF-32 and back failed" << '\n';
|
|
|
|
// Now, iterate and back
|
|
unsigned char_count = 0;
|
|
string::iterator it = line_start;
|
|
while (it != line_end) {
|
|
unsigned cp = next(it, line_end);
|
|
char_count++;
|
|
}
|
|
if (char_count != utf32_line.size())
|
|
cout << "Line " << line_count << ": Error in iterating with next - wrong number of characters" << '\n';
|
|
|
|
string::iterator adv_it = line_start;
|
|
utf8::advance(adv_it, char_count, line_end);
|
|
if (adv_it != line_end)
|
|
cout << "Line " << line_count << ": Error in advance function" << '\n';
|
|
|
|
if (utf8::distance(line_start, line_end) != char_count)
|
|
cout << "Line " << line_count << ": Error in distance function" << '\n';
|
|
|
|
while (it != line_start) {
|
|
unsigned cp = previous(it, line.rend().base());
|
|
char_count--;
|
|
}
|
|
if (char_count != 0)
|
|
cout << "Line " << line_count << ": Error in iterating with previous - wrong number of characters" << '\n';
|
|
|
|
//======================== Now, the unchecked versions ======================
|
|
// Convert it to utf-16 and compare to the checked version
|
|
vector<unsigned short> utf16_line_unchecked;
|
|
unchecked::utf8to16(line_start, line_end, back_inserter(utf16_line_unchecked));
|
|
|
|
if (utf16_line != utf16_line_unchecked)
|
|
cout << "Line " << line_count << ": Error in unchecked::utf8to16" << '\n';
|
|
|
|
// Back to utf-8 and compare it to the original line.
|
|
back_to_utf8.clear();
|
|
unchecked::utf16to8(utf16_line_unchecked.begin(), utf16_line_unchecked.end(), back_inserter(back_to_utf8));
|
|
if (back_to_utf8.compare(string(line_start, line_end)) != 0)
|
|
cout << "Line " << line_count << ": Unchecked conversion to UTF-16 and back failed" << '\n';
|
|
|
|
// Now, convert it to utf-32, back to utf-8 and compare
|
|
vector <unsigned> utf32_line_unchecked;
|
|
unchecked::utf8to32(line_start, line_end, back_inserter(utf32_line_unchecked));
|
|
if (utf32_line != utf32_line_unchecked)
|
|
cout << "Line " << line_count << ": Error in unchecked::utf8to32" << '\n';
|
|
|
|
back_to_utf8.clear();
|
|
unchecked::utf32to8(utf32_line.begin(), utf32_line.end(), back_inserter(back_to_utf8));
|
|
if (back_to_utf8.compare(string(line_start, line_end)) != 0)
|
|
cout << "Line " << line_count << ": Unchecked conversion to UTF-32 and back failed" << '\n';
|
|
|
|
// Now, iterate and back
|
|
char_count = 0;
|
|
it = line_start;
|
|
while (it != line_end) {
|
|
unsigned cp = unchecked::next(it);
|
|
char_count++;
|
|
}
|
|
if (char_count != utf32_line.size())
|
|
cout << "Line " << line_count << ": Error in iterating with unchecked::next - wrong number of characters" << '\n';
|
|
|
|
adv_it = line_start;
|
|
utf8::unchecked::advance(adv_it, char_count);
|
|
if (adv_it != line_end)
|
|
cout << "Line " << line_count << ": Error in unchecked::advance function" << '\n';
|
|
|
|
if (utf8::unchecked::distance(line_start, line_end) != char_count)
|
|
cout << "Line " << line_count << ": Error in unchecked::distance function" << '\n';
|
|
|
|
while (it != line_start) {
|
|
unsigned cp = unchecked::previous(it);
|
|
char_count--;
|
|
}
|
|
if (char_count != 0)
|
|
cout << "Line " << line_count << ": Error in iterating with unchecked::previous - wrong number of characters" << '\n';
|
|
|
|
}
|
|
}
|