Return to main.c CVS log

Up to [cvsweb.bsd.lv] / docbook2mdoc

Annotation of docbook2mdoc/main.c, Revision 1.7

1.7     ! schwarze    1: /* $Id: main.c,v 1.6 2019/04/12 19:14:50 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"
                     25: #include "format.h"
                     26:
                     27: /*
                     28:  * The steering function of the docbook2mdoc(1) program.
                     29:  */
                     30:
1.6       schwarze   31: enum   outt {
                     32:        OUTT_MDOC = 0,
                     33:        OUTT_TREE,
                     34:        OUTT_LINT
                     35: };
                     36:
1.1       schwarze   37: int
                     38: main(int argc, char *argv[])
                     39: {
                     40:        struct parse    *parser;
                     41:        struct ptree    *tree;
                     42:        const char      *progname;
                     43:        const char      *fname;
                     44:        int              ch, fd, rc, warn;
1.6       schwarze   45:        enum outt        outtype;
1.1       schwarze   46:
                     47:        if ((progname = strrchr(argv[0], '/')) == NULL)
                     48:                progname = argv[0];
                     49:        else
                     50:                progname++;
                     51:
                     52:        warn = 0;
1.6       schwarze   53:        outtype = OUTT_MDOC;
                     54:        while ((ch = getopt(argc, argv, "T:W")) != -1) {
1.1       schwarze   55:                switch (ch) {
1.6       schwarze   56:                case 'T':
                     57:                        if (strcmp(optarg, "mdoc") == 0)
                     58:                                outtype = OUTT_MDOC;
                     59:                        else if (strcmp(optarg, "tree") == 0)
                     60:                                outtype = OUTT_TREE;
                     61:                        else if (strcmp(optarg, "lint") == 0)
                     62:                                outtype = OUTT_LINT;
                     63:                        else {
                     64:                                fprintf(stderr, "%s: Bad argument\n",
                     65:                                    optarg);
                     66:                                goto usage;
                     67:                        }
                     68:                        break;
1.1       schwarze   69:                case 'W':
                     70:                        warn = 1;
                     71:                        break;
                     72:                default:
                     73:                        goto usage;
                     74:                }
                     75:        }
                     76:        argc -= optind;
                     77:        argv += optind;
                     78:
                     79:        /*
                     80:         * Argument processing:
                     81:         * Open file or use standard input.
                     82:         */
                     83:
                     84:        if (argc > 1) {
                     85:                fprintf(stderr, "%s: Too many arguments\n", argv[1]);
                     86:                goto usage;
1.4       schwarze   87:        } else if (argc == 1) {
                     88:                fname = argv[0];
                     89:                fd = -1;
                     90:        } else {
                     91:                fname = "<stdin>";
                     92:                fd = STDIN_FILENO;
                     93:        }
1.1       schwarze   94:
1.4       schwarze   95:        /* Parse. */
1.1       schwarze   96:
1.7     ! schwarze   97:        parser = parse_alloc(warn);
1.4       schwarze   98:        tree = parse_file(parser, fd, fname);
1.5       schwarze   99:        rc = tree->flags & TREE_ERROR ? 3 : tree->flags & TREE_WARN ? 2 : 0;
1.1       schwarze  100:
1.4       schwarze  101:        /* Format. */
1.1       schwarze  102:
1.6       schwarze  103:        if (outtype != OUTT_LINT && tree->root != NULL) {
1.5       schwarze  104:                if (rc > 2)
1.4       schwarze  105:                        fputc('\n', stderr);
1.6       schwarze  106:                if (outtype == OUTT_MDOC)
                    107:                        ptree_print_mdoc(tree);
                    108:                else
                    109:                        ptree_print_tree(tree);
1.5       schwarze  110:                if (rc > 2)
1.4       schwarze  111:                        fputs("\nThe output may be incomplete, see the "
                    112:                            "parse error reported above.\n\n", stderr);
                    113:        }
                    114:        parse_free(parser);
1.1       schwarze  115:        return rc;
                    116:
                    117: usage:
1.6       schwarze  118:        fprintf(stderr, "usage: %s [-W] [-T mdoc | tree | lint] "
                    119:            "[input_filename]\n", progname);
1.5       schwarze  120:        return 5;
1.1       schwarze  121: }