Annotation of mandoc/demandoc.c, Revision 1.1
1.1 ! kristaps 1: /* $Id: mandocdb.c,v 1.5 2011/07/15 17:59:29 kristaps Exp $ */
! 2: /*
! 3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
! 4: *
! 5: * Permission to use, copy, modify, and distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17: #ifdef HAVE_CONFIG_H
! 18: #include "config.h"
! 19: #endif
! 20:
! 21: #include <assert.h>
! 22: #include <getopt.h>
! 23: #include <stdio.h>
! 24: #include <stdlib.h>
! 25: #include <string.h>
! 26:
! 27: #include "man.h"
! 28: #include "mdoc.h"
! 29: #include "mandoc.h"
! 30:
! 31: static void pline(int, int *, int *);
! 32: static void pman(const struct man_node *, int *, int *);
! 33: static void pmandoc(struct mparse *, int, const char *);
! 34: static void pmdoc(const struct mdoc_node *, int *, int *);
! 35: static void pstring(const char *, int, int *);
! 36: static void usage(void);
! 37:
! 38: static const char *progname;
! 39:
! 40: int
! 41: main(int argc, char *argv[])
! 42: {
! 43: struct mparse *mp;
! 44: int ch, i;
! 45: extern int optind;
! 46: extern char *optarg;
! 47:
! 48: progname = strrchr(argv[0], '/');
! 49: if (progname == NULL)
! 50: progname = argv[0];
! 51: else
! 52: ++progname;
! 53:
! 54: mp = NULL;
! 55:
! 56: while (-1 != (ch = getopt(argc, argv, "")))
! 57: switch (ch) {
! 58: default:
! 59: usage();
! 60: return((int)MANDOCLEVEL_BADARG);
! 61: }
! 62:
! 63: argc -= optind;
! 64: argv += optind;
! 65:
! 66: mp = mparse_alloc(MPARSE_AUTO, MANDOCLEVEL_FATAL, NULL, NULL);
! 67: assert(mp);
! 68:
! 69: if (0 == argc)
! 70: pmandoc(mp, STDIN_FILENO, "<stdin>");
! 71:
! 72: for (i = 0; i < argc; i++) {
! 73: mparse_reset(mp);
! 74: pmandoc(mp, -1, argv[i]);
! 75: }
! 76:
! 77: mparse_free(mp);
! 78: return(MANDOCLEVEL_OK);
! 79: }
! 80:
! 81: static void
! 82: usage(void)
! 83: {
! 84:
! 85: fprintf(stderr, "usage: %s [files...]\n", progname);
! 86: }
! 87:
! 88: static void
! 89: pmandoc(struct mparse *mp, int fd, const char *fn)
! 90: {
! 91: struct mdoc *mdoc;
! 92: struct man *man;
! 93: int line, col;
! 94:
! 95: if (mparse_readfd(mp, fd, fn) >= MANDOCLEVEL_FATAL) {
! 96: fprintf(stderr, "%s: Parse failure\n", fn);
! 97: return;
! 98: }
! 99:
! 100: mparse_result(mp, &mdoc, &man);
! 101: line = 1;
! 102: col = 0;
! 103:
! 104: if (mdoc)
! 105: pmdoc(mdoc_node(mdoc), &line, &col);
! 106: else if (man)
! 107: pman(man_node(man), &line, &col);
! 108: else
! 109: return;
! 110:
! 111: putchar('\n');
! 112: }
! 113:
! 114: /*
! 115: * Strip the escapes out of a string, emitting the results.
! 116: */
! 117: static void
! 118: pstring(const char *p, int col, int *colp)
! 119: {
! 120: enum mandoc_esc esc;
! 121:
! 122: while (*colp < col) {
! 123: putchar(' ');
! 124: (*colp)++;
! 125: }
! 126:
! 127: while ('\0' != *p) {
! 128: if ('\\' == *p) {
! 129: p++;
! 130: esc = mandoc_escape(&p, NULL, NULL);
! 131: if (ESCAPE_ERROR == esc)
! 132: return;
! 133: } else {
! 134: putchar(*p++);
! 135: (*colp)++;
! 136: }
! 137: }
! 138: }
! 139:
! 140: /*
! 141: * Emit lines until we're in sync with our input.
! 142: */
! 143: static void
! 144: pline(int line, int *linep, int *col)
! 145: {
! 146:
! 147: while (*linep < line) {
! 148: putchar('\n');
! 149: (*linep)++;
! 150: }
! 151: *col = 0;
! 152: }
! 153:
! 154: static void
! 155: pmdoc(const struct mdoc_node *p, int *line, int *col)
! 156: {
! 157:
! 158: for ( ; p; p = p->next) {
! 159: if (MDOC_LINE & p->flags)
! 160: pline(p->line, line, col);
! 161: if (MDOC_TEXT == p->type)
! 162: pstring(p->string, p->pos, col);
! 163: if (p->child)
! 164: pmdoc(p->child, line, col);
! 165: }
! 166: }
! 167:
! 168: static void
! 169: pman(const struct man_node *p, int *line, int *col)
! 170: {
! 171:
! 172: for ( ; p; p = p->next) {
! 173: if (MAN_LINE & p->flags)
! 174: pline(p->line, line, col);
! 175: if (MAN_TEXT == p->type)
! 176: pstring(p->string, p->pos, col);
! 177: if (p->child)
! 178: pman(p->child, line, col);
! 179: }
! 180: }
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