89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/* Copyright (C) 2017-2019 J.F.Dockes
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*
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* License: GPL 2.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string>
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#include <iostream>
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using namespace std;
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#include "readfile.h"
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#include "transcode.h"
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// Repeatedly transcode a small string for timing measurements
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static const string testword("\xc3\xa9\x6c\x69\x6d\x69\x6e\xc3\xa9\xc3\xa0");
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// Without cache 10e6 reps on y -> 6.68
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// With cache -> 4.73
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// With cache and lock -> 4.9
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void looptest()
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{
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cout << testword << endl;
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string out;
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for (int i = 0; i < 10*1000*1000; i++) {
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if (!transcode(testword, out, "UTF-8", "UTF-16BE")) {
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cerr << "Transcode failed" << endl;
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break;
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}
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}
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}
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int main(int argc, char **argv)
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{
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#if 0
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looptest();
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exit(0);
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#endif
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if (argc != 5) {
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cerr << "Usage: transcode ifilename icode ofilename ocode" << endl;
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exit(1);
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}
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const string ifilename = argv[1];
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const string icode = argv[2];
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const string ofilename = argv[3];
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const string ocode = argv[4];
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string text;
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if (!file_to_string(ifilename, text)) {
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cerr << "Couldnt read file, errno " << errno << endl;
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exit(1);
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}
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string out;
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if (!transcode(text, out, icode, ocode)) {
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cerr << out << endl;
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exit(1);
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}
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FILE *fp = fopen(ofilename.c_str(), "wb");
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if (fp == 0) {
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perror("Open/create output");
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exit(1);
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}
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if (fwrite(out.c_str(), 1, out.length(), fp) != (int)out.length()) {
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perror("fwrite");
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exit(1);
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}
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fclose(fp);
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exit(0);
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}
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