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Mini Shell
Mini Shell
/* Generated by re2c */
#line 1 "c/generic_api/ifstream.re"
// re2c $INPUT -o $OUTPUT
#include <cassert>
#include <cstdio>
#include <fstream>
#include <sstream>
static void convert_newlines(std::ifstream &in, std::ostringstream &out) {
std::streampos mar;
for (;;) {
#line 14 "c/generic_api/ifstream.c"
{
char yych;
yych = in.peek();
switch (yych) {
case '\r': goto yy3;
default: goto yy1;
}
yy1:
{ in.ignore(); if (in.eof()) return; }
yy2:
#line 20 "c/generic_api/ifstream.re"
{ out.put(yych); continue; }
#line 27 "c/generic_api/ifstream.c"
yy3:
{ in.ignore(); if (in.eof()) return; }
yych = in.peek();
switch (yych) {
case '\n': goto yy4;
default: goto yy2;
}
yy4:
{ in.ignore(); if (in.eof()) return; }
#line 21 "c/generic_api/ifstream.re"
{ out.put('\n'); continue; }
#line 39 "c/generic_api/ifstream.c"
}
#line 22 "c/generic_api/ifstream.re"
}
}
int main() {
const char *fname = "input";
const char s1[] = "Text\r\nwith\r\nnewlines.\r\n\r\n";
const char s2[] = "Text\nwith\nnewlines.\n\n";
std::ofstream f(fname, std::ios::binary);
f.write(s1, sizeof(s1) - 1);
f.close();
std::ifstream in(fname, std::ios::binary);
std::ostringstream out;
convert_newlines(in, out);
assert(out.str() == s2);
remove(fname);
return 0;
}
Zerion Mini Shell 1.0