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Annotation of docbook2mdoc/main.c, Revision 1.8

1.8     ! schwarze    1: /* $Id: main.c,v 1.7 2019/04/28 15:03:29 schwarze Exp $ */
1.1       schwarze    2: /*
                      3:  * Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18: #include <getopt.h>
                     19: #include <stdio.h>
                     20: #include <string.h>
                     21: #include <unistd.h>
                     22:
                     23: #include "node.h"
                     24: #include "parse.h"
1.8     ! schwarze   25: #include "reorg.h"
1.1       schwarze   26: #include "format.h"
                     27:
                     28: /*
                     29:  * The steering function of the docbook2mdoc(1) program.
                     30:  */
                     31:
1.6       schwarze   32: enum   outt {
                     33:        OUTT_MDOC = 0,
                     34:        OUTT_TREE,
                     35:        OUTT_LINT
                     36: };
                     37:
1.1       schwarze   38: int
                     39: main(int argc, char *argv[])
                     40: {
                     41:        struct parse    *parser;
                     42:        struct ptree    *tree;
                     43:        const char      *progname;
                     44:        const char      *fname;
                     45:        int              ch, fd, rc, warn;
1.6       schwarze   46:        enum outt        outtype;
1.1       schwarze   47:
                     48:        if ((progname = strrchr(argv[0], '/')) == NULL)
                     49:                progname = argv[0];
                     50:        else
                     51:                progname++;
                     52:
                     53:        warn = 0;
1.6       schwarze   54:        outtype = OUTT_MDOC;
                     55:        while ((ch = getopt(argc, argv, "T:W")) != -1) {
1.1       schwarze   56:                switch (ch) {
1.6       schwarze   57:                case 'T':
                     58:                        if (strcmp(optarg, "mdoc") == 0)
                     59:                                outtype = OUTT_MDOC;
                     60:                        else if (strcmp(optarg, "tree") == 0)
                     61:                                outtype = OUTT_TREE;
                     62:                        else if (strcmp(optarg, "lint") == 0)
                     63:                                outtype = OUTT_LINT;
                     64:                        else {
                     65:                                fprintf(stderr, "%s: Bad argument\n",
                     66:                                    optarg);
                     67:                                goto usage;
                     68:                        }
                     69:                        break;
1.1       schwarze   70:                case 'W':
                     71:                        warn = 1;
                     72:                        break;
                     73:                default:
                     74:                        goto usage;
                     75:                }
                     76:        }
                     77:        argc -= optind;
                     78:        argv += optind;
                     79:
                     80:        /*
                     81:         * Argument processing:
                     82:         * Open file or use standard input.
                     83:         */
                     84:
                     85:        if (argc > 1) {
                     86:                fprintf(stderr, "%s: Too many arguments\n", argv[1]);
                     87:                goto usage;
1.4       schwarze   88:        } else if (argc == 1) {
                     89:                fname = argv[0];
                     90:                fd = -1;
                     91:        } else {
                     92:                fname = "<stdin>";
                     93:                fd = STDIN_FILENO;
                     94:        }
1.1       schwarze   95:
1.4       schwarze   96:        /* Parse. */
1.1       schwarze   97:
1.7       schwarze   98:        parser = parse_alloc(warn);
1.4       schwarze   99:        tree = parse_file(parser, fd, fname);
1.8     ! schwarze  100:        ptree_reorg(tree);
1.5       schwarze  101:        rc = tree->flags & TREE_ERROR ? 3 : tree->flags & TREE_WARN ? 2 : 0;
1.1       schwarze  102:
1.4       schwarze  103:        /* Format. */
1.1       schwarze  104:
1.6       schwarze  105:        if (outtype != OUTT_LINT && tree->root != NULL) {
1.5       schwarze  106:                if (rc > 2)
1.4       schwarze  107:                        fputc('\n', stderr);
1.6       schwarze  108:                if (outtype == OUTT_MDOC)
                    109:                        ptree_print_mdoc(tree);
                    110:                else
                    111:                        ptree_print_tree(tree);
1.5       schwarze  112:                if (rc > 2)
1.4       schwarze  113:                        fputs("\nThe output may be incomplete, see the "
                    114:                            "parse error reported above.\n\n", stderr);
                    115:        }
                    116:        parse_free(parser);
1.1       schwarze  117:        return rc;
                    118:
                    119: usage:
1.6       schwarze  120:        fprintf(stderr, "usage: %s [-W] [-T mdoc | tree | lint] "
                    121:            "[input_filename]\n", progname);
1.5       schwarze  122:        return 5;
1.1       schwarze  123: }