1 /* $Vendor-Id: libman.h,v 1.30 2010/03/29 10:10:35 kristaps Exp $ */ 2 /* 3 * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se> 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 #ifndef LIBMAN_H 18 #define LIBMAN_H 19 20 #include "man.h" 21 22 enum man_next { 23 MAN_NEXT_SIBLING = 0, 24 MAN_NEXT_CHILD 25 }; 26 27 struct man { 28 void *data; 29 struct man_cb cb; 30 int pflags; /* parse flags (see man.h) */ 31 int svflags; /* flags saved during roff blocks */ 32 int flags; /* parse flags */ 33 #define MAN_HALT (1 << 0) /* badness happened: die */ 34 #define MAN_ELINE (1 << 1) /* Next-line element scope. */ 35 #define MAN_BLINE (1 << 2) /* Next-line block scope. */ 36 #define MAN_ILINE (1 << 3) /* Ignored in next-line scope. */ 37 #define MAN_LITERAL (1 << 4) /* Literal input. */ 38 #define MAN_BPLINE (1 << 5) 39 enum man_next next; 40 enum man_next svnext; 41 struct man_node *last; 42 struct man_node *first; 43 struct man_meta meta; 44 }; 45 46 enum merr { 47 WNPRINT = 0, 48 WMSEC, 49 WDATE, 50 WLNSCOPE, 51 WLNSCOPE2, 52 WTSPACE, 53 WTQUOTE, 54 WNODATA, 55 WNOTITLE, 56 WESCAPE, 57 WNUMFMT, 58 WHEADARGS, 59 WBODYARGS, 60 WNHEADARGS, 61 WMACROFORM, 62 WEXITSCOPE, 63 WNOSCOPE, 64 WOLITERAL, 65 WNLITERAL, 66 WROFFNEST, 67 WROFFSCOPE, 68 WTITLECASE, 69 WERRMAX 70 }; 71 72 #define MACRO_PROT_ARGS struct man *m, enum mant tok, int line, \ 73 int ppos, int *pos, char *buf 74 75 struct man_macro { 76 int (*fp)(MACRO_PROT_ARGS); 77 int flags; 78 #define MAN_SCOPED (1 << 0) 79 #define MAN_EXPLICIT (1 << 1) /* See blk_imp(). */ 80 #define MAN_FSCOPED (1 << 2) /* See blk_imp(). */ 81 #define MAN_NSCOPED (1 << 3) /* See in_line_eoln(). */ 82 #define MAN_NOCLOSE (1 << 4) /* See blk_exp(). */ 83 }; 84 85 extern const struct man_macro *const man_macros; 86 87 __BEGIN_DECLS 88 89 #define man_perr(m, l, p, t) \ 90 man_err((m), (l), (p), 1, (t)) 91 #define man_pwarn(m, l, p, t) \ 92 man_err((m), (l), (p), 0, (t)) 93 #define man_nerr(m, n, t) \ 94 man_err((m), (n)->line, (n)->pos, 1, (t)) 95 #define man_nwarn(m, n, t) \ 96 man_err((m), (n)->line, (n)->pos, 0, (t)) 97 98 int man_word_alloc(struct man *, int, int, const char *); 99 int man_block_alloc(struct man *, int, int, enum mant); 100 int man_head_alloc(struct man *, int, int, enum mant); 101 int man_body_alloc(struct man *, int, int, enum mant); 102 int man_elem_alloc(struct man *, int, int, enum mant); 103 void man_node_delete(struct man *, struct man_node *); 104 void man_hash_init(void); 105 enum mant man_hash_find(const char *); 106 int man_macroend(struct man *); 107 int man_args(struct man *, int, int *, char *, char **); 108 #define ARGS_ERROR (-1) 109 #define ARGS_EOLN (0) 110 #define ARGS_WORD (1) 111 #define ARGS_QWORD (1) 112 int man_err(struct man *, int, int, int, enum merr); 113 int man_vwarn(struct man *, int, int, const char *, ...); 114 int man_verr(struct man *, int, int, const char *, ...); 115 int man_valid_post(struct man *); 116 int man_valid_pre(struct man *, const struct man_node *); 117 int man_action_post(struct man *); 118 int man_action_pre(struct man *, struct man_node *); 119 int man_unscope(struct man *, 120 const struct man_node *, enum merr); 121 122 __END_DECLS 123 124 #endif /*!LIBMAN_H*/ 125