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/*
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* Copyright © 2021 Behdad Esfahbod |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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*/ |
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#ifndef BATCH_HH |
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#define BATCH_HH |
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typedef int (*main_func_t) (int argc, char **argv); |
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template <bool report_status=false> |
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int |
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batch_main (main_func_t main_func, int argc, char **argv) |
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{ |
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if (argc == 2 && !strcmp (argv[1], "--batch")) |
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{ |
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int ret = 0; |
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char buf[4092]; |
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while (fgets (buf, sizeof (buf), stdin)) |
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{ |
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size_t l = strlen (buf); |
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if (l && buf[l - 1] == '\n') buf[l - 1] = '\0'; |
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char *args[32]; |
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argc = 0; |
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char *p = buf, *e; |
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args[argc++] = p; |
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unsigned start_offset = 0; |
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while ((e = strchr (p + start_offset, ':')) && argc < (int) ARRAY_LENGTH (args)) |
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{ |
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*e++ = '\0'; |
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while (*e == ':') |
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e++; |
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args[argc++] = p = e; |
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/* UGH. Skip 2 first bytes on first argument if is Windows path, "C:\..." */ |
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start_offset = argc == 2 && p[0] != '\0' && p[0] != ':' && p[1] == ':' && (p[2] == '\\' || p[2] == '/') ? 2 : 0; |
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} |
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int result = main_func (argc, args); |
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if (report_status) |
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fprintf (stdout, result == 0 ? "success\n" : "failure\n"); |
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fflush (stdout); |
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ret = MAX (ret, result); |
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} |
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return ret; |
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} |
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return main_func (argc, argv); |
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} |
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#endif |
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