76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*
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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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#include "options.hh"
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typedef int (*main_func_t) (int argc, char **argv);
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template <typename main_t, bool report_status=false>
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int
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batch_main (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[64];
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argc = 0;
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args[argc++] = argv[0];
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char *p = buf, *e;
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args[argc++] = p;
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while ((e = strchr (p, ';')) && 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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}
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int result = main_t () (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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int ret = main_t () (argc, argv);
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if (report_status && ret != 0)
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fprintf (stdout, "error: Operation failed. Probably a bug. File github issue.\n");
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return ret;
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}
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#endif
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