diff options
| -rw-r--r-- | TODO | 4 | ||||
| -rw-r--r-- | mandoc.h | 3 | ||||
| -rw-r--r-- | read.c | 1 | ||||
| -rw-r--r-- | roff.c | 67 |
4 files changed, 60 insertions, 15 deletions
@@ -37,10 +37,6 @@ None known right now. - .fc (field control) found by naddy@ in xloadimage(1) -- .it (line traps) occur in mysql(1), yasm_arch(7) - generated by DocBook XSL Stylesheets v1.71.1 <http://docbook.sf.net/> - reported by brad@ Sat, 15 Jan 2011 15:48:18 -0500 - - .ns (no-space mode) occurs in xine-config(1) reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500 @@ -1,7 +1,7 @@ /* $Id$ */ /* * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2012 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2012, 2013 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -145,6 +145,7 @@ enum mandocerr { MANDOCERR_NOARGS, /* macro requires line argument(s) */ MANDOCERR_NOBODY, /* macro requires body argument(s) */ MANDOCERR_NOARGV, /* macro requires argument(s) */ + MANDOCERR_NUMERIC, /* request requires a numeric argument */ MANDOCERR_LISTTYPE, /* missing list type */ MANDOCERR_ARGSLOST, /* line argument(s) will be lost */ MANDOCERR_BODYLOST, /* body argument(s) will be lost */ @@ -185,6 +185,7 @@ static const char * const mandocerrs[MANDOCERR_MAX] = { "macro requires line argument(s)", "macro requires body argument(s)", "macro requires argument(s)", + "request requires a numeric argument", "missing list type", "line argument(s) will be lost", "body argument(s) will be lost", @@ -21,6 +21,7 @@ #include <assert.h> #include <ctype.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> @@ -186,12 +187,13 @@ static void roff_freestr(struct roffkv *); static char *roff_getname(struct roff *, char **, int, int); static const char *roff_getstrn(const struct roff *, const char *, size_t); +static enum rofferr roff_it(ROFF_ARGS); static enum rofferr roff_line_ignore(ROFF_ARGS); static enum rofferr roff_nr(ROFF_ARGS); static void roff_openeqn(struct roff *, const char *, int, int, const char *); static enum rofft roff_parse(struct roff *, const char *, int *); -static enum rofferr roff_parsetext(char *); +static enum rofferr roff_parsetext(char **, size_t *, int, int *); static enum rofferr roff_res(struct roff *, char **, size_t *, int, int); static enum rofferr roff_rm(ROFF_ARGS); @@ -233,7 +235,7 @@ static struct roffmac roffs[ROFF_MAX] = { { "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, { "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, { "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, - { "it", roff_line_ignore, NULL, NULL, 0, NULL }, + { "it", roff_it, NULL, NULL, 0, NULL }, { "ne", roff_line_ignore, NULL, NULL, 0, NULL }, { "nh", roff_line_ignore, NULL, NULL, 0, NULL }, { "nr", roff_nr, NULL, NULL, 0, NULL }, @@ -295,6 +297,9 @@ static const struct predef predefs[PREDEFS_MAX] = { /* See roffhash_find() */ #define ROFF_HASH(p) (p[0] - ASCII_LO) +static int roffit_lines; /* number of lines to delay */ +static char *roffit_macro; /* nil-terminated macro line */ + static void roffhash_init(void) { @@ -596,16 +601,20 @@ again: } /* - * Process text streams: convert all breakable hyphens into ASCII_HYPH. + * Process text streams: + * Convert all breakable hyphens into ASCII_HYPH. + * Decrement and spring input line trap. */ static enum rofferr -roff_parsetext(char *p) +roff_parsetext(char **bufp, size_t *szp, int pos, int *offs) { size_t sz; const char *start; + char *p; + int isz; enum mandoc_esc esc; - start = p; + start = p = *bufp + pos; while ('\0' != *p) { sz = strcspn(p, "-\\"); @@ -633,6 +642,22 @@ roff_parsetext(char *p) p++; } + /* Spring the input line trap. */ + if (1 == roffit_lines) { + isz = asprintf(&p, "%s\n.%s", *bufp, roffit_macro); + if (-1 == isz) { + perror(NULL); + exit((int)MANDOCLEVEL_SYSERR); + } + free(*bufp); + *bufp = p; + *szp = isz + 1; + *offs = 0; + free(roffit_macro); + roffit_lines = 0; + return(ROFF_REPARSE); + } else if (1 < roffit_lines) + --roffit_lines; return(ROFF_CONT); } @@ -677,13 +702,13 @@ roff_parseln(struct roff *r, int ln, char **bufp, return(eqn_read(&r->eqn, ln, *bufp, pos, offs)); if (r->tbl) return(tbl_read(r->tbl, ln, *bufp, pos)); - return(roff_parsetext(*bufp + pos)); + return(roff_parsetext(bufp, szp, pos, offs)); } else if ( ! ctl) { if (r->eqn) return(eqn_read(&r->eqn, ln, *bufp, pos, offs)); if (r->tbl) return(tbl_read(r->tbl, ln, *bufp, pos)); - return(roff_parsetext(*bufp + pos)); + return(roff_parsetext(bufp, szp, pos, offs)); } else if (r->eqn) return(eqn_read(&r->eqn, ln, *bufp, ppos, offs)); @@ -1120,9 +1145,6 @@ static enum rofferr roff_line_ignore(ROFF_ARGS) { - if (ROFF_it == tok) - mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, "it"); - return(ROFF_IGN); } @@ -1297,6 +1319,31 @@ roff_rm(ROFF_ARGS) /* ARGSUSED */ static enum rofferr +roff_it(ROFF_ARGS) +{ + char *cp; + size_t len; + int iv; + + /* Parse the number of lines. */ + cp = *bufp + pos; + len = strcspn(cp, " \t"); + cp[len] = '\0'; + if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { + mandoc_msg(MANDOCERR_NUMERIC, r->parse, + ln, ppos, *bufp + 1); + return(ROFF_IGN); + } + cp += len + 1; + + /* Arm the input line trap. */ + roffit_lines = iv; + roffit_macro = mandoc_strdup(cp); + return(ROFF_IGN); +} + +/* ARGSUSED */ +static enum rofferr roff_Dd(ROFF_ARGS) { const char *const *cp; |