/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/fmt/fmt.h" #include "libc/log/check.h" #include "libc/mem/mem.h" #include "libc/runtime/runtime.h" #include "libc/stdio/stdio.h" #include "libc/str/str.h" #include "libc/sysv/consts/ex.h" #include "libc/sysv/consts/exit.h" #include "third_party/getopt/getopt.internal.h" #define USAGE \ " [FLAGS] [PATH|FLEXDEC...] [<<<FLEXDEC...\\n...]\n\ Turns numbers into decimal with commas.\n\ \n\ Values are tokenized by spaces. Anything that isn't an integer is\n\ passed through. We parse integers the same way the C compiler does\n\ so 0x,0b,0,etc. prefixes are fine. Unicode spacing characters are\n\ supported.\n\ \n\ Flags:\n\ -o PATH output path\n\ -F STR\n\ -T STR sets field tokenization charset [default is whitespace]\n\ -w FLEXDEC\n\ -n FLEXDEC set fixed number of columns [default is variable, based\n\ on line breaks]\n\ -?\n\ -h shows this information\n\ \n" static size_t linecap_; static FILE *in_, *out_; static const char16_t *fieldtoks_; static char *inpath_, *outpath_, *line_; void PrintUsage(int rc, FILE *f) { fputs("Usage: ", f); fputs(program_invocation_name, f); fputs(USAGE, f); exit(rc); } void GetOpts(int *argc, char *argv[]) { int opt; outpath_ = "-"; fieldtoks_ = u" \t\v\n\r\f "; while ((opt = getopt(*argc, argv, "?ho:F:T:w:n:")) != -1) { switch (opt) { case 'o': outpath_ = optarg; break; case 'F': case 'T': break; case '?': case 'h': PrintUsage(EXIT_SUCCESS, stdout); default: PrintUsage(EX_USAGE, stderr); } } if (optind == *argc) { argv[(*argc)++] = "-"; } } void ProcessFile(void) { while ((getline(&line_, &linecap_, in_)) != -1) { // TODO(jart) } } int main(int argc, char *argv[]) { size_t i; GetOpts(&argc, argv); CHECK_NOTNULL((out_ = fopen(outpath_, "w"))); for (i = optind; i < argc; ++i) { CHECK_NOTNULL((in_ = fopen((inpath_ = argv[i]), "r"))); ProcessFile(); CHECK_NE(-1, fclose(in_)); in_ = 0; } CHECK_NE(-1, fclose(out_)); out_ = 0; free(line_); return 0; }