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/* 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; }