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