version 1.43, 2009/03/06 14:13:47 |
version 1.250, 2015/09/21 13:25:00 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
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* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
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*/ |
*/ |
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#include "config.h" |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
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#include "out.h" |
#include "term.h" |
#include "term.h" |
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#include "main.h" |
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/* |
static size_t cond_width(const struct termp *, int, int *); |
* Performs actions on nodes of the abstract syntax tree. Both pre- and |
static void adjbuf(struct termp *p, size_t); |
* post-fix operations are defined here. |
static void bufferc(struct termp *, char); |
*/ |
static void encode(struct termp *, const char *, size_t); |
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static void encode1(struct termp *, int); |
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/* FIXME: macro arguments can be escaped. */ |
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#define TTYPE_PROG 0 |
void |
#define TTYPE_CMD_FLAG 1 |
term_free(struct termp *p) |
#define TTYPE_CMD_ARG 2 |
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#define TTYPE_SECTION 3 |
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#define TTYPE_FUNC_DECL 4 |
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#define TTYPE_VAR_DECL 5 |
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#define TTYPE_FUNC_TYPE 6 |
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#define TTYPE_FUNC_NAME 7 |
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#define TTYPE_FUNC_ARG 8 |
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#define TTYPE_LINK 9 |
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#define TTYPE_SSECTION 10 |
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#define TTYPE_FILE 11 |
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#define TTYPE_EMPH 12 |
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#define TTYPE_CONFIG 13 |
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#define TTYPE_CMD 14 |
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#define TTYPE_INCLUDE 15 |
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#define TTYPE_SYMB 16 |
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#define TTYPE_SYMBOL 17 |
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#define TTYPE_DIAG 18 |
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#define TTYPE_NMAX 19 |
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/* |
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* These define "styles" for element types, like command arguments or |
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* executable names. This is useful when multiple macros must decorate |
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* the same thing (like .Ex -std cmd and .Nm cmd). |
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*/ |
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/* TODO: abstract this into mdocterm.c. */ |
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const int ttypes[TTYPE_NMAX] = { |
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TERMP_BOLD, /* TTYPE_PROG */ |
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TERMP_BOLD, /* TTYPE_CMD_FLAG */ |
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TERMP_UNDERLINE, /* TTYPE_CMD_ARG */ |
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TERMP_BOLD, /* TTYPE_SECTION */ |
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TERMP_BOLD, /* TTYPE_FUNC_DECL */ |
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TERMP_UNDERLINE, /* TTYPE_VAR_DECL */ |
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TERMP_UNDERLINE, /* TTYPE_FUNC_TYPE */ |
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TERMP_BOLD, /* TTYPE_FUNC_NAME */ |
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TERMP_UNDERLINE, /* TTYPE_FUNC_ARG */ |
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TERMP_UNDERLINE, /* TTYPE_LINK */ |
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TERMP_BOLD, /* TTYPE_SSECTION */ |
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TERMP_UNDERLINE, /* TTYPE_FILE */ |
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TERMP_UNDERLINE, /* TTYPE_EMPH */ |
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TERMP_BOLD, /* TTYPE_CONFIG */ |
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TERMP_BOLD, /* TTYPE_CMD */ |
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TERMP_BOLD, /* TTYPE_INCLUDE */ |
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TERMP_BOLD, /* TTYPE_SYMB */ |
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TERMP_BOLD, /* TTYPE_SYMBOL */ |
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TERMP_BOLD /* TTYPE_DIAG */ |
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}; |
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static int arg_hasattr(int, size_t, |
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const struct mdoc_arg *); |
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static int arg_getattr(int, size_t, |
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const struct mdoc_arg *); |
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static size_t arg_offset(const struct mdoc_arg *); |
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static size_t arg_width(const struct mdoc_arg *); |
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static int arg_listtype(const struct mdoc_node *); |
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/* |
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* What follows describes prefix and postfix operations for the abstract |
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* syntax tree descent. |
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*/ |
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#define DECL_ARGS \ |
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struct termp *p, \ |
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struct termpair *pair, \ |
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const struct mdoc_meta *meta, \ |
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const struct mdoc_node *node |
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#define DECL_PRE(name) \ |
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static int name##_pre(DECL_ARGS) |
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#define DECL_POST(name) \ |
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static void name##_post(DECL_ARGS) |
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#define DECL_PREPOST(name) \ |
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DECL_PRE(name); \ |
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DECL_POST(name); |
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DECL_PREPOST(termp__t); |
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DECL_PREPOST(termp_aq); |
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DECL_PREPOST(termp_bd); |
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DECL_PREPOST(termp_bq); |
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DECL_PREPOST(termp_d1); |
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DECL_PREPOST(termp_dq); |
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DECL_PREPOST(termp_fd); |
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DECL_PREPOST(termp_fn); |
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DECL_PREPOST(termp_fo); |
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DECL_PREPOST(termp_ft); |
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DECL_PREPOST(termp_in); |
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DECL_PREPOST(termp_it); |
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DECL_PREPOST(termp_op); |
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DECL_PREPOST(termp_pf); |
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DECL_PREPOST(termp_pq); |
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DECL_PREPOST(termp_qq); |
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DECL_PREPOST(termp_sh); |
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DECL_PREPOST(termp_ss); |
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DECL_PREPOST(termp_sq); |
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DECL_PREPOST(termp_vt); |
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DECL_PRE(termp_ar); |
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DECL_PRE(termp_at); |
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DECL_PRE(termp_bf); |
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DECL_PRE(termp_bsx); |
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DECL_PRE(termp_bt); |
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DECL_PRE(termp_cd); |
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DECL_PRE(termp_cm); |
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DECL_PRE(termp_em); |
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DECL_PRE(termp_ex); |
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DECL_PRE(termp_fa); |
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DECL_PRE(termp_fl); |
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DECL_PRE(termp_fx); |
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DECL_PRE(termp_ic); |
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DECL_PRE(termp_ms); |
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DECL_PRE(termp_nd); |
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DECL_PRE(termp_nm); |
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DECL_PRE(termp_ns); |
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DECL_PRE(termp_nx); |
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DECL_PRE(termp_ox); |
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DECL_PRE(termp_pa); |
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DECL_PRE(termp_pp); |
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DECL_PRE(termp_rs); |
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DECL_PRE(termp_rv); |
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DECL_PRE(termp_sm); |
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DECL_PRE(termp_st); |
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DECL_PRE(termp_sx); |
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DECL_PRE(termp_sy); |
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DECL_PRE(termp_ud); |
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DECL_PRE(termp_ux); |
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DECL_PRE(termp_va); |
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DECL_PRE(termp_xr); |
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DECL_POST(termp___); |
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DECL_POST(termp_bl); |
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DECL_POST(termp_bx); |
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DECL_POST(termp_lb); |
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const struct termact __termacts[MDOC_MAX] = { |
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{ NULL, NULL }, /* \" */ |
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{ NULL, NULL }, /* Dd */ |
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{ NULL, NULL }, /* Dt */ |
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{ NULL, NULL }, /* Os */ |
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{ termp_sh_pre, termp_sh_post }, /* Sh */ |
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{ termp_ss_pre, termp_ss_post }, /* Ss */ |
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{ termp_pp_pre, NULL }, /* Pp */ |
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{ termp_d1_pre, termp_d1_post }, /* D1 */ |
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{ termp_d1_pre, termp_d1_post }, /* Dl */ |
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{ termp_bd_pre, termp_bd_post }, /* Bd */ |
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{ NULL, NULL }, /* Ed */ |
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{ NULL, termp_bl_post }, /* Bl */ |
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{ NULL, NULL }, /* El */ |
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{ termp_it_pre, termp_it_post }, /* It */ |
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{ NULL, NULL }, /* Ad */ |
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{ NULL, NULL }, /* An */ |
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{ termp_ar_pre, NULL }, /* Ar */ |
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{ termp_cd_pre, NULL }, /* Cd */ |
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{ termp_cm_pre, NULL }, /* Cm */ |
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{ NULL, NULL }, /* Dv */ |
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{ NULL, NULL }, /* Er */ |
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{ NULL, NULL }, /* Ev */ |
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{ termp_ex_pre, NULL }, /* Ex */ |
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{ termp_fa_pre, NULL }, /* Fa */ |
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{ termp_fd_pre, termp_fd_post }, /* Fd */ |
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{ termp_fl_pre, NULL }, /* Fl */ |
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{ termp_fn_pre, termp_fn_post }, /* Fn */ |
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{ termp_ft_pre, termp_ft_post }, /* Ft */ |
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{ termp_ic_pre, NULL }, /* Ic */ |
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{ termp_in_pre, termp_in_post }, /* In */ |
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{ NULL, NULL }, /* Li */ |
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{ termp_nd_pre, NULL }, /* Nd */ |
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{ termp_nm_pre, NULL }, /* Nm */ |
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{ termp_op_pre, termp_op_post }, /* Op */ |
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{ NULL, NULL }, /* Ot */ |
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{ termp_pa_pre, NULL }, /* Pa */ |
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{ termp_rv_pre, NULL }, /* Rv */ |
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{ termp_st_pre, NULL }, /* St */ |
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{ termp_va_pre, NULL }, /* Va */ |
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{ termp_vt_pre, termp_vt_post }, /* Vt */ |
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{ termp_xr_pre, NULL }, /* Xr */ |
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{ NULL, termp____post }, /* %A */ |
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{ NULL, termp____post }, /* %B */ |
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{ NULL, termp____post }, /* %D */ |
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{ NULL, termp____post }, /* %I */ |
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{ NULL, termp____post }, /* %J */ |
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{ NULL, termp____post }, /* %N */ |
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{ NULL, termp____post }, /* %O */ |
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{ NULL, termp____post }, /* %P */ |
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{ NULL, termp____post }, /* %R */ |
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{ termp__t_pre, termp__t_post }, /* %T */ |
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{ NULL, termp____post }, /* %V */ |
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{ NULL, NULL }, /* Ac */ |
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{ termp_aq_pre, termp_aq_post }, /* Ao */ |
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{ termp_aq_pre, termp_aq_post }, /* Aq */ |
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{ termp_at_pre, NULL }, /* At */ |
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{ NULL, NULL }, /* Bc */ |
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{ termp_bf_pre, NULL }, /* Bf */ |
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{ termp_bq_pre, termp_bq_post }, /* Bo */ |
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{ termp_bq_pre, termp_bq_post }, /* Bq */ |
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{ termp_bsx_pre, NULL }, /* Bsx */ |
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{ NULL, termp_bx_post }, /* Bx */ |
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{ NULL, NULL }, /* Db */ |
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{ NULL, NULL }, /* Dc */ |
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{ termp_dq_pre, termp_dq_post }, /* Do */ |
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{ termp_dq_pre, termp_dq_post }, /* Dq */ |
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{ NULL, NULL }, /* Ec */ |
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{ NULL, NULL }, /* Ef */ |
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{ termp_em_pre, NULL }, /* Em */ |
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{ NULL, NULL }, /* Eo */ |
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{ termp_fx_pre, NULL }, /* Fx */ |
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{ termp_ms_pre, NULL }, /* Ms */ |
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{ NULL, NULL }, /* No */ |
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{ termp_ns_pre, NULL }, /* Ns */ |
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{ termp_nx_pre, NULL }, /* Nx */ |
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{ termp_ox_pre, NULL }, /* Ox */ |
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{ NULL, NULL }, /* Pc */ |
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{ termp_pf_pre, termp_pf_post }, /* Pf */ |
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{ termp_pq_pre, termp_pq_post }, /* Po */ |
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{ termp_pq_pre, termp_pq_post }, /* Pq */ |
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{ NULL, NULL }, /* Qc */ |
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{ termp_sq_pre, termp_sq_post }, /* Ql */ |
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{ termp_qq_pre, termp_qq_post }, /* Qo */ |
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{ termp_qq_pre, termp_qq_post }, /* Qq */ |
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{ NULL, NULL }, /* Re */ |
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{ termp_rs_pre, NULL }, /* Rs */ |
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{ NULL, NULL }, /* Sc */ |
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{ termp_sq_pre, termp_sq_post }, /* So */ |
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{ termp_sq_pre, termp_sq_post }, /* Sq */ |
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{ termp_sm_pre, NULL }, /* Sm */ |
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{ termp_sx_pre, NULL }, /* Sx */ |
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{ termp_sy_pre, NULL }, /* Sy */ |
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{ NULL, NULL }, /* Tn */ |
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{ termp_ux_pre, NULL }, /* Ux */ |
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{ NULL, NULL }, /* Xc */ |
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{ NULL, NULL }, /* Xo */ |
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{ termp_fo_pre, termp_fo_post }, /* Fo */ |
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{ NULL, NULL }, /* Fc */ |
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{ termp_op_pre, termp_op_post }, /* Oo */ |
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{ NULL, NULL }, /* Oc */ |
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{ NULL, NULL }, /* Bk */ |
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{ NULL, NULL }, /* Ek */ |
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{ termp_bt_pre, NULL }, /* Bt */ |
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{ NULL, NULL }, /* Hf */ |
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{ NULL, NULL }, /* Fr */ |
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{ termp_ud_pre, NULL }, /* Ud */ |
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{ NULL, termp_lb_post }, /* lb */ |
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}; |
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const struct termact *termacts = __termacts; |
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static size_t |
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arg_width(const struct mdoc_arg *arg) |
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{ |
{ |
size_t v; |
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int i, len; |
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assert(*arg->value); |
free(p->buf); |
if (0 == strcmp(*arg->value, "indent")) |
free(p->fontq); |
return(INDENT); |
free(p); |
if (0 == strcmp(*arg->value, "indent-two")) |
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return(INDENT * 2); |
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len = (int)strlen(*arg->value); |
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assert(len > 0); |
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for (i = 0; i < len - 1; i++) |
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if ( ! isdigit((u_char)(*arg->value)[i])) |
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break; |
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if (i == len - 1) { |
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if ('n' == (*arg->value)[len - 1]) { |
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v = (size_t)atoi(*arg->value); |
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return(v); |
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} |
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} |
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return(strlen(*arg->value) + 1); |
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} |
} |
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void |
static int |
term_begin(struct termp *p, term_margin head, |
arg_listtype(const struct mdoc_node *n) |
term_margin foot, const struct roff_meta *arg) |
{ |
{ |
const struct mdoc_block *bl; |
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int i, len; |
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bl = &n->data.block; |
p->headf = head; |
len = (int)bl->argc; |
p->footf = foot; |
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p->argf = arg; |
for (i = 0; i < len; i++) |
(*p->begin)(p); |
switch (bl->argv[i].arg) { |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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/* FALLTHROUGH */ |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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return(bl->argv[i].arg); |
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default: |
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break; |
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} |
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errx(1, "list type not supported"); |
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/* NOTREACHED */ |
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} |
} |
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void |
static size_t |
term_end(struct termp *p) |
arg_offset(const struct mdoc_arg *arg) |
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{ |
{ |
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/* TODO */ |
(*p->end)(p); |
assert(*arg->value); |
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if (0 == strcmp(*arg->value, "indent")) |
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return(INDENT); |
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if (0 == strcmp(*arg->value, "indent-two")) |
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return(INDENT * 2); |
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return(strlen(*arg->value)); |
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} |
} |
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/* |
static int |
* Flush a chunk of text. By default, break the output line each time |
arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv) |
* the right margin is reached, and continue output on the next line |
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* at the same offset as the chunk itself. By default, also break the |
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* output line at the end of the chunk. |
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* The following flags may be specified: |
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* |
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* - TERMP_NOBREAK: Do not break the output line at the right margin, |
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* but only at the max right margin. Also, do not break the output |
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* line at the end of the chunk, such that the next call can pad to |
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* the next column. However, if less than p->trailspace blanks, |
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* which can be 0, 1, or 2, remain to the right margin, the line |
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* will be broken. |
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* - TERMP_BRTRSP: Consider trailing whitespace significant |
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* when deciding whether the chunk fits or not. |
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* - TERMP_BRIND: If the chunk does not fit and the output line has |
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* to be broken, start the next line at the right margin instead |
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* of at the offset. Used together with TERMP_NOBREAK for the tags |
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* in various kinds of tagged lists. |
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* - TERMP_DANGLE: Do not break the output line at the right margin, |
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* append the next chunk after it even if this one is too long. |
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* To be used together with TERMP_NOBREAK. |
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* - TERMP_HANG: Like TERMP_DANGLE, and also suppress padding before |
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* the next chunk if this column is not full. |
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*/ |
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void |
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term_flushln(struct termp *p) |
{ |
{ |
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size_t i; /* current input position in p->buf */ |
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int ntab; /* number of tabs to prepend */ |
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size_t vis; /* current visual position on output */ |
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size_t vbl; /* number of blanks to prepend to output */ |
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size_t vend; /* end of word visual position on output */ |
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size_t bp; /* visual right border position */ |
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size_t dv; /* temporary for visual pos calculations */ |
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size_t j; /* temporary loop index for p->buf */ |
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size_t jhy; /* last hyph before overflow w/r/t j */ |
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size_t maxvis; /* output position of visible boundary */ |
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return(-1 != arg_getattr(arg, argc, argv)); |
/* |
} |
* First, establish the maximum columns of "visible" content. |
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* This is usually the difference between the right-margin and |
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* an indentation, but can be, for tagged lists or columns, a |
static int |
* small set of values. |
arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv) |
* |
{ |
* The following unsigned-signed subtractions look strange, |
int i; |
* but they are actually correct. If the int p->overstep |
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* is negative, it gets sign extended. Subtracting that |
for (i = 0; i < (int)argc; i++) |
* very large size_t effectively adds a small number to dv. |
if (argv[i].arg == arg) |
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return(i); |
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return(-1); |
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} |
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/* ARGSUSED */ |
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static int |
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termp_dq_pre(DECL_ARGS) |
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{ |
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if (MDOC_BODY != node->type) |
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return(1); |
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word(p, "``"); |
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p->flags |= TERMP_NOSPACE; |
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return(1); |
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} |
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/* ARGSUSED */ |
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static void |
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termp_dq_post(DECL_ARGS) |
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{ |
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if (MDOC_BODY != node->type) |
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return; |
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p->flags |= TERMP_NOSPACE; |
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word(p, "''"); |
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} |
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/* ARGSUSED */ |
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static int |
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termp_it_pre_block(DECL_ARGS) |
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{ |
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const struct mdoc_node *n; |
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const struct mdoc_block *bl; |
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n = node->parent->parent; |
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bl = &n->data.block; |
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newln(p); |
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if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) |
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if (node->prev || n->prev) |
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vspace(p); |
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return(1); |
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} |
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/* ARGSUSED */ |
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static int |
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termp_it_pre(DECL_ARGS) |
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{ |
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const struct mdoc_block *bl; |
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char buf[7]; |
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int i, type; |
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size_t width, offset; |
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if (MDOC_BLOCK == node->type) |
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return(termp_it_pre_block(p, pair, meta, node)); |
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/* Get ptr to list block, type, etc. */ |
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bl = &node->parent->parent->parent->data.block; |
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type = arg_listtype(node->parent->parent->parent); |
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/* Save parent attributes. */ |
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pair->offset = p->offset; |
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pair->rmargin = p->rmargin; |
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pair->flag = p->flags; |
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/* Get list width and offset. */ |
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i = arg_getattr(MDOC_Width, bl->argc, bl->argv); |
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width = i >= 0 ? arg_width(&bl->argv[i]) : 0; |
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i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
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offset = i >= 0 ? arg_offset(&bl->argv[i]) : 0; |
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/* |
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* List-type can override the width in the case of fixed-head |
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* values (bullet, dash/hyphen, enum). Tags need a non-zero |
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* offset. |
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*/ |
*/ |
|
dv = p->rmargin > p->offset ? p->rmargin - p->offset : 0; |
|
maxvis = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
|
|
switch (type) { |
if (p->flags & TERMP_NOBREAK) { |
case (MDOC_Bullet): |
dv = p->maxrmargin > p->offset ? |
/* FALLTHROUGH */ |
p->maxrmargin - p->offset : 0; |
case (MDOC_Dash): |
bp = (int)dv > p->overstep ? |
/* FALLTHROUGH */ |
dv - (size_t)p->overstep : 0; |
case (MDOC_Enum): |
} else |
/* FALLTHROUGH */ |
bp = maxvis; |
case (MDOC_Hyphen): |
|
width = width > 4 ? width : 4; |
|
break; |
|
case (MDOC_Tag): |
|
if (width) |
|
break; |
|
errx(1, "need non-zero %s for list type", |
|
mdoc_argnames[MDOC_Width]); |
|
default: |
|
break; |
|
} |
|
|
|
/* |
|
* Whitespace control. Inset bodies need an initial space. |
|
*/ |
|
|
|
switch (type) { |
|
case (MDOC_Diag): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Inset): |
|
if (MDOC_BODY == node->type) |
|
p->flags &= ~TERMP_NOSPACE; |
|
else |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
default: |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
} |
|
|
|
/* |
/* |
* Style flags. Diagnostic heads need TTYPE_DIAG. |
* Calculate the required amount of padding. |
*/ |
*/ |
|
vbl = p->offset + p->overstep > p->viscol ? |
|
p->offset + p->overstep - p->viscol : 0; |
|
|
switch (type) { |
vis = vend = 0; |
case (MDOC_Diag): |
i = 0; |
if (MDOC_HEAD == node->type) |
|
p->flags |= ttypes[TTYPE_DIAG]; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* |
while (i < p->col) { |
* Pad and break control. This is the tricker part. Lists with |
/* |
* set right-margins for the head get TERMP_NOBREAK because, if |
* Handle literal tab characters: collapse all |
* they overrun the margin, they wrap to the new margin. |
* subsequent tabs into a single huge set of spaces. |
* Correspondingly, the body for these types don't left-pad, as |
*/ |
* the head will pad out to to the right. |
ntab = 0; |
*/ |
while (i < p->col && '\t' == p->buf[i]) { |
|
vend = (vis / p->tabwidth + 1) * p->tabwidth; |
|
vbl += vend - vis; |
|
vis = vend; |
|
ntab++; |
|
i++; |
|
} |
|
|
switch (type) { |
/* |
case (MDOC_Bullet): |
* Count up visible word characters. Control sequences |
/* FALLTHROUGH */ |
* (starting with the CSI) aren't counted. A space |
case (MDOC_Dash): |
* generates a non-printing word, which is valid (the |
/* FALLTHROUGH */ |
* space is printed according to regular spacing rules). |
case (MDOC_Enum): |
*/ |
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Tag): |
|
if (MDOC_HEAD == node->type) |
|
p->flags |= TERMP_NOBREAK; |
|
else |
|
p->flags |= TERMP_NOLPAD; |
|
if (MDOC_HEAD == node->type && MDOC_Tag == type) |
|
if (NULL == node->next || |
|
NULL == node->next->child) |
|
p->flags |= TERMP_NONOBREAK; |
|
break; |
|
case (MDOC_Diag): |
|
if (MDOC_HEAD == node->type) |
|
p->flags |= TERMP_NOBREAK; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* |
for (j = i, jhy = 0; j < p->col; j++) { |
* Margin control. Set-head-width lists have their right |
if (' ' == p->buf[j] || '\t' == p->buf[j]) |
* margins shortened. The body for these lists has the offset |
break; |
* necessarily lengthened. Everybody gets the offset. |
|
*/ |
|
|
|
p->offset += offset; |
/* Back over the the last printed character. */ |
|
if (8 == p->buf[j]) { |
|
assert(j); |
|
vend -= (*p->width)(p, p->buf[j - 1]); |
|
continue; |
|
} |
|
|
switch (type) { |
/* Regular word. */ |
case (MDOC_Bullet): |
/* Break at the hyphen point if we overrun. */ |
/* FALLTHROUGH */ |
if (vend > vis && vend < bp && |
case (MDOC_Dash): |
(ASCII_HYPH == p->buf[j] || |
/* FALLTHROUGH */ |
ASCII_BREAK == p->buf[j])) |
case (MDOC_Enum): |
jhy = j; |
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Tag): |
|
if (MDOC_HEAD == node->type) |
|
p->rmargin = p->offset + width; |
|
else |
|
p->offset += width; |
|
/* FALLTHROUGH */ |
|
default: |
|
break; |
|
} |
|
|
|
/* |
/* |
* The dash, hyphen, bullet and enum lists all have a special |
* Hyphenation now decided, put back a real |
* HEAD character. Print it now. |
* hyphen such that we get the correct width. |
*/ |
*/ |
|
if (ASCII_HYPH == p->buf[j]) |
|
p->buf[j] = '-'; |
|
|
if (MDOC_HEAD == node->type) |
vend += (*p->width)(p, p->buf[j]); |
switch (type) { |
|
case (MDOC_Bullet): |
|
word(p, "\\[bu]"); |
|
break; |
|
case (MDOC_Dash): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
word(p, "\\-"); |
|
break; |
|
case (MDOC_Enum): |
|
/* TODO: have a wordfmt or something. */ |
|
(pair->ppair->ppair->count)++; |
|
(void)snprintf(buf, sizeof(buf), "%d.", |
|
pair->ppair->ppair->count); |
|
word(p, buf); |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
/* |
/* |
* If we're not going to process our header children, indicate |
* Find out whether we would exceed the right margin. |
* so here. |
* If so, break to the next line. |
*/ |
*/ |
|
if (vend > bp && 0 == jhy && vis > 0) { |
|
vend -= vis; |
|
(*p->endline)(p); |
|
p->viscol = 0; |
|
if (TERMP_BRIND & p->flags) { |
|
vbl = p->rmargin; |
|
vend += p->rmargin; |
|
vend -= p->offset; |
|
} else |
|
vbl = p->offset; |
|
|
if (MDOC_HEAD == node->type) |
/* use pending tabs on the new line */ |
switch (type) { |
|
case (MDOC_Bullet): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Item): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dash): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Enum): |
|
return(0); |
|
default: |
|
break; |
|
} |
|
|
|
return(1); |
if (0 < ntab) |
} |
vbl += ntab * p->tabwidth; |
|
|
|
/* |
|
* Remove the p->overstep width. |
|
* Again, if p->overstep is negative, |
|
* sign extension does the right thing. |
|
*/ |
|
|
/* ARGSUSED */ |
bp += (size_t)p->overstep; |
static void |
p->overstep = 0; |
termp_it_post(DECL_ARGS) |
} |
{ |
|
int type; |
|
|
|
if (MDOC_BODY != node->type && MDOC_HEAD != node->type) |
/* Write out the [remaining] word. */ |
return; |
for ( ; i < p->col; i++) { |
|
if (vend > bp && jhy > 0 && i > jhy) |
|
break; |
|
if ('\t' == p->buf[i]) |
|
break; |
|
if (' ' == p->buf[i]) { |
|
j = i; |
|
while (i < p->col && ' ' == p->buf[i]) |
|
i++; |
|
dv = (i - j) * (*p->width)(p, ' '); |
|
vbl += dv; |
|
vend += dv; |
|
break; |
|
} |
|
if (ASCII_NBRSP == p->buf[i]) { |
|
vbl += (*p->width)(p, ' '); |
|
continue; |
|
} |
|
if (ASCII_BREAK == p->buf[i]) |
|
continue; |
|
|
type = arg_listtype(node->parent->parent->parent); |
/* |
|
* Now we definitely know there will be |
|
* printable characters to output, |
|
* so write preceding white space now. |
|
*/ |
|
if (vbl) { |
|
(*p->advance)(p, vbl); |
|
p->viscol += vbl; |
|
vbl = 0; |
|
} |
|
|
switch (type) { |
(*p->letter)(p, p->buf[i]); |
case (MDOC_Diag): |
if (8 == p->buf[i]) |
/* FALLTHROUGH */ |
p->viscol -= (*p->width)(p, p->buf[i-1]); |
case (MDOC_Item): |
else |
/* FALLTHROUGH */ |
p->viscol += (*p->width)(p, p->buf[i]); |
case (MDOC_Inset): |
} |
if (MDOC_BODY != node->type) |
vis = vend; |
break; |
|
flushln(p); |
|
break; |
|
default: |
|
flushln(p); |
|
break; |
|
} |
} |
|
|
p->offset = pair->offset; |
/* |
p->rmargin = pair->rmargin; |
* If there was trailing white space, it was not printed; |
p->flags = pair->flag; |
* so reset the cursor position accordingly. |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_nm_pre(DECL_ARGS) |
|
{ |
|
|
|
if (SEC_SYNOPSIS == node->sec) |
|
newln(p); |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); |
|
if (NULL == node->child) |
|
word(p, meta->name); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fl_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); |
|
word(p, "\\-"); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ar_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ns_pre(DECL_ARGS) |
|
{ |
|
|
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_pp_pre(DECL_ARGS) |
|
{ |
|
|
|
vspace(p); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_st_pre(DECL_ARGS) |
|
{ |
|
const char *cp; |
|
|
|
/* XXX - if child isn't text? */ |
|
if (node->child) |
|
if ((cp = mdoc_a2st(node->child->data.text.string))) |
|
word(p, cp); |
|
return(0); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_rs_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BLOCK == node->type && node->prev) |
|
vspace(p); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_rv_pre(DECL_ARGS) |
|
{ |
|
int i; |
|
|
|
i = arg_getattr(MDOC_Std, node->data.elem.argc, |
|
node->data.elem.argv); |
|
assert(i >= 0); |
|
|
|
newln(p); |
|
word(p, "The"); |
|
|
|
p->flags |= ttypes[TTYPE_FUNC_NAME]; |
|
word(p, *node->data.elem.argv[i].value); |
|
p->flags &= ~ttypes[TTYPE_FUNC_NAME]; |
|
|
|
word(p, "() function returns the value 0 if successful;"); |
|
word(p, "otherwise the value -1 is returned and the"); |
|
word(p, "global variable"); |
|
|
|
p->flags |= ttypes[TTYPE_VAR_DECL]; |
|
word(p, "errno"); |
|
p->flags &= ~ttypes[TTYPE_VAR_DECL]; |
|
|
|
word(p, "is set to indicate the error."); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ex_pre(DECL_ARGS) |
|
{ |
|
int i; |
|
|
|
i = arg_getattr(MDOC_Std, node->data.elem.argc, |
|
node->data.elem.argv); |
|
assert(i >= 0); |
|
|
|
word(p, "The"); |
|
p->flags |= ttypes[TTYPE_PROG]; |
|
word(p, *node->data.elem.argv[i].value); |
|
p->flags &= ~ttypes[TTYPE_PROG]; |
|
word(p, "utility exits 0 on success, and >0 if an error occurs."); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_nd_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "\\-"); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_bl_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BLOCK == node->type) |
|
newln(p); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_op_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, "\\(rB"); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_xr_pre(DECL_ARGS) |
|
{ |
|
const struct mdoc_node *n; |
|
|
|
n = node->child; |
|
assert(n); |
|
|
|
assert(MDOC_TEXT == n->type); |
|
word(p, n->data.text.string); |
|
|
|
if (NULL == (n = n->next)) |
|
return(0); |
|
|
|
assert(MDOC_TEXT == n->type); |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, "("); |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, n->data.text.string); |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, ")"); |
|
|
|
return(0); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_vt_pre(DECL_ARGS) |
|
{ |
|
|
|
/* FIXME: this can be "type name". */ |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_vt_post(DECL_ARGS) |
|
{ |
|
|
|
if (node->sec == SEC_SYNOPSIS) |
|
vspace(p); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fd_pre(DECL_ARGS) |
|
{ |
|
|
|
/* |
|
* FIXME: this naming is bad. This value is used, in general, |
|
* for the #include header or other preprocessor statement. |
|
*/ |
*/ |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]); |
if (vis > vbl) |
return(1); |
vis -= vbl; |
} |
else |
|
vis = 0; |
|
|
|
p->col = 0; |
|
p->overstep = 0; |
|
p->flags &= ~(TERMP_BACKAFTER | TERMP_BACKBEFORE); |
|
|
/* ARGSUSED */ |
if ( ! (TERMP_NOBREAK & p->flags)) { |
static void |
p->viscol = 0; |
termp_fd_post(DECL_ARGS) |
(*p->endline)(p); |
{ |
|
|
|
if (node->sec != SEC_SYNOPSIS) |
|
return; |
return; |
newln(p); |
|
if (node->next && MDOC_Fd != node->next->tok) |
|
vspace(p); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_sh_pre(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
vspace(p); |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); |
|
break; |
|
case (MDOC_BODY): |
|
p->offset = INDENT; |
|
break; |
|
default: |
|
break; |
|
} |
} |
return(1); |
|
} |
|
|
|
|
if (TERMP_HANG & p->flags) { |
|
p->overstep += (int)(p->offset + vis - p->rmargin + |
|
p->trailspace * (*p->width)(p, ' ')); |
|
|
/* ARGSUSED */ |
/* |
static void |
* If we have overstepped the margin, temporarily move |
termp_sh_post(DECL_ARGS) |
* it to the right and flag the rest of the line to be |
{ |
* shorter. |
|
* If there is a request to keep the columns together, |
|
* allow negative overstep when the column is not full. |
|
*/ |
|
if (p->trailspace && p->overstep < 0) |
|
p->overstep = 0; |
|
return; |
|
|
switch (node->type) { |
} else if (TERMP_DANGLE & p->flags) |
case (MDOC_HEAD): |
return; |
newln(p); |
|
break; |
|
case (MDOC_BODY): |
|
newln(p); |
|
p->offset = 0; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
|
/* Trailing whitespace is significant in some columns. */ |
|
if (vis && vbl && (TERMP_BRTRSP & p->flags)) |
|
vis += vbl; |
|
|
/* ARGSUSED */ |
/* If the column was overrun, break the line. */ |
static int |
if (maxvis < vis + p->trailspace * (*p->width)(p, ' ')) { |
termp_op_pre(DECL_ARGS) |
(*p->endline)(p); |
{ |
p->viscol = 0; |
|
|
switch (node->type) { |
|
case (MDOC_BODY): |
|
word(p, "\\(lB"); |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
default: |
|
break; |
|
} |
} |
return(1); |
|
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* A newline only breaks an existing line; it won't assert vertical |
static int |
* space. All data in the output buffer is flushed prior to the newline |
termp_bt_pre(DECL_ARGS) |
* assertion. |
|
*/ |
|
void |
|
term_newln(struct termp *p) |
{ |
{ |
|
|
word(p, "is currently in beta test."); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_lb_post(DECL_ARGS) |
|
{ |
|
|
|
newln(p); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ud_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "currently under development."); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_d1_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
newln(p); |
|
p->offset += (pair->offset = INDENT); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_d1_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
newln(p); |
|
p->offset -= pair->offset; |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_aq_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
word(p, "\\(la"); |
|
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
return(1); |
if (p->col || p->viscol) |
|
term_flushln(p); |
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* Asserts a vertical space (a full, empty line-break between lines). |
static void |
* Note that if used twice, this will cause two blank spaces and so on. |
termp_aq_post(DECL_ARGS) |
* All data in the output buffer is flushed prior to the newline |
|
* assertion. |
|
*/ |
|
void |
|
term_vspace(struct termp *p) |
{ |
{ |
|
|
if (MDOC_BODY != node->type) |
term_newln(p); |
return; |
p->viscol = 0; |
p->flags |= TERMP_NOSPACE; |
if (0 < p->skipvsp) |
word(p, "\\(ra"); |
p->skipvsp--; |
|
else |
|
(*p->endline)(p); |
} |
} |
|
|
|
/* Swap current and previous font; for \fP and .ft P */ |
/* ARGSUSED */ |
void |
static int |
term_fontlast(struct termp *p) |
termp_ft_pre(DECL_ARGS) |
|
{ |
{ |
|
enum termfont f; |
|
|
if (SEC_SYNOPSIS == node->sec) |
f = p->fontl; |
if (node->prev && MDOC_Fo == node->prev->tok) |
p->fontl = p->fontq[p->fonti]; |
vspace(p); |
p->fontq[p->fonti] = f; |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); |
|
return(1); |
|
} |
} |
|
|
|
/* Set font, save current, discard previous; for \f, .ft, .B etc. */ |
/* ARGSUSED */ |
void |
static void |
term_fontrepl(struct termp *p, enum termfont f) |
termp_ft_post(DECL_ARGS) |
|
{ |
{ |
|
|
if (SEC_SYNOPSIS == node->sec) |
p->fontl = p->fontq[p->fonti]; |
newln(p); |
p->fontq[p->fonti] = f; |
} |
} |
|
|
|
/* Set font, save previous. */ |
/* ARGSUSED */ |
void |
static int |
term_fontpush(struct termp *p, enum termfont f) |
termp_fn_pre(DECL_ARGS) |
|
{ |
{ |
const struct mdoc_node *n; |
|
|
|
assert(node->child); |
p->fontl = p->fontq[p->fonti]; |
assert(MDOC_TEXT == node->child->type); |
if (++p->fonti == p->fontsz) { |
|
p->fontsz += 8; |
/* FIXME: can be "type funcname" "type varname"... */ |
p->fontq = mandoc_reallocarray(p->fontq, |
|
p->fontsz, sizeof(enum termfont *)); |
p->flags |= ttypes[TTYPE_FUNC_NAME]; |
|
word(p, node->child->data.text.string); |
|
p->flags &= ~ttypes[TTYPE_FUNC_NAME]; |
|
|
|
word(p, "("); |
|
|
|
p->flags |= TERMP_NOSPACE; |
|
for (n = node->child->next; n; n = n->next) { |
|
assert(MDOC_TEXT == n->type); |
|
p->flags |= ttypes[TTYPE_FUNC_ARG]; |
|
word(p, n->data.text.string); |
|
p->flags &= ~ttypes[TTYPE_FUNC_ARG]; |
|
if (n->next) |
|
word(p, ","); |
|
} |
} |
|
p->fontq[p->fonti] = f; |
word(p, ")"); |
|
|
|
if (SEC_SYNOPSIS == node->sec) |
|
word(p, ";"); |
|
|
|
return(0); |
|
} |
} |
|
|
|
/* Flush to make the saved pointer current again. */ |
/* ARGSUSED */ |
void |
static void |
term_fontpopq(struct termp *p, int i) |
termp_fn_post(DECL_ARGS) |
|
{ |
{ |
|
|
if (node->sec == SEC_SYNOPSIS && node->next) |
assert(i >= 0); |
vspace(p); |
if (p->fonti > i) |
|
p->fonti = i; |
} |
} |
|
|
|
/* Pop one font off the stack. */ |
/* ARGSUSED */ |
void |
static int |
term_fontpop(struct termp *p) |
termp_sx_pre(DECL_ARGS) |
|
{ |
{ |
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]); |
assert(p->fonti); |
return(1); |
p->fonti--; |
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* Handle pwords, partial words, which may be either a single word or a |
static int |
* phrase that cannot be broken down (such as a literal string). This |
termp_fa_pre(DECL_ARGS) |
* handles word styling. |
|
*/ |
|
void |
|
term_word(struct termp *p, const char *word) |
{ |
{ |
struct mdoc_node *n; |
const char nbrsp[2] = { ASCII_NBRSP, 0 }; |
|
const char *seq, *cp; |
|
int sz, uc; |
|
size_t ssz; |
|
enum mandoc_esc esc; |
|
|
if (node->parent->tok != MDOC_Fo) { |
if ( ! (TERMP_NOSPACE & p->flags)) { |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); |
if ( ! (TERMP_KEEP & p->flags)) { |
return(1); |
bufferc(p, ' '); |
|
if (TERMP_SENTENCE & p->flags) |
|
bufferc(p, ' '); |
|
} else |
|
bufferc(p, ASCII_NBRSP); |
} |
} |
|
if (TERMP_PREKEEP & p->flags) |
|
p->flags |= TERMP_KEEP; |
|
|
for (n = node->child; n; n = n->next) { |
if ( ! (p->flags & TERMP_NONOSPACE)) |
assert(MDOC_TEXT == n->type); |
p->flags &= ~TERMP_NOSPACE; |
|
else |
|
p->flags |= TERMP_NOSPACE; |
|
|
p->flags |= ttypes[TTYPE_FUNC_ARG]; |
p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE); |
word(p, n->data.text.string); |
p->skipvsp = 0; |
p->flags &= ~ttypes[TTYPE_FUNC_ARG]; |
|
|
|
if (n->next) |
while ('\0' != *word) { |
word(p, ","); |
if ('\\' != *word) { |
} |
if (TERMP_NBRWORD & p->flags) { |
|
if (' ' == *word) { |
|
encode(p, nbrsp, 1); |
|
word++; |
|
continue; |
|
} |
|
ssz = strcspn(word, "\\ "); |
|
} else |
|
ssz = strcspn(word, "\\"); |
|
encode(p, word, ssz); |
|
word += (int)ssz; |
|
continue; |
|
} |
|
|
if (node->next && node->next->tok == MDOC_Fa) |
word++; |
word(p, ","); |
esc = mandoc_escape(&word, &seq, &sz); |
|
if (ESCAPE_ERROR == esc) |
|
continue; |
|
|
return(0); |
switch (esc) { |
} |
case ESCAPE_UNICODE: |
|
uc = mchars_num2uc(seq + 1, sz - 1); |
|
|
/* ARGSUSED */ |
|
static int |
|
termp_va_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_bd_pre(DECL_ARGS) |
|
{ |
|
const struct mdoc_block *bl; |
|
const struct mdoc_node *n; |
|
int i, type; |
|
|
|
if (MDOC_BLOCK == node->type) { |
|
if (node->prev) |
|
vspace(p); |
|
return(1); |
|
} else if (MDOC_BODY != node->type) |
|
return(1); |
|
|
|
pair->offset = p->offset; |
|
bl = &node->parent->data.block; |
|
|
|
for (type = -1, i = 0; i < (int)bl->argc; i++) { |
|
switch (bl->argv[i].arg) { |
|
case (MDOC_Ragged): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Filled): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Unfilled): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Literal): |
|
type = bl->argv[i].arg; |
|
i = (int)bl->argc; |
|
break; |
break; |
|
case ESCAPE_NUMBERED: |
|
uc = mchars_num2char(seq, sz); |
|
if (uc < 0) |
|
continue; |
|
break; |
|
case ESCAPE_SPECIAL: |
|
if (p->enc == TERMENC_ASCII) { |
|
cp = mchars_spec2str(p->symtab, |
|
seq, sz, &ssz); |
|
if (cp != NULL) |
|
encode(p, cp, ssz); |
|
} else { |
|
uc = mchars_spec2cp(p->symtab, seq, sz); |
|
if (uc > 0) |
|
encode1(p, uc); |
|
} |
|
continue; |
|
case ESCAPE_FONTBOLD: |
|
term_fontrepl(p, TERMFONT_BOLD); |
|
continue; |
|
case ESCAPE_FONTITALIC: |
|
term_fontrepl(p, TERMFONT_UNDER); |
|
continue; |
|
case ESCAPE_FONTBI: |
|
term_fontrepl(p, TERMFONT_BI); |
|
continue; |
|
case ESCAPE_FONT: |
|
/* FALLTHROUGH */ |
|
case ESCAPE_FONTROMAN: |
|
term_fontrepl(p, TERMFONT_NONE); |
|
continue; |
|
case ESCAPE_FONTPREV: |
|
term_fontlast(p); |
|
continue; |
|
case ESCAPE_NOSPACE: |
|
if (p->flags & TERMP_BACKAFTER) |
|
p->flags &= ~TERMP_BACKAFTER; |
|
else if (*word == '\0') |
|
p->flags |= (TERMP_NOSPACE | TERMP_NONEWLINE); |
|
continue; |
|
case ESCAPE_SKIPCHAR: |
|
p->flags |= TERMP_BACKAFTER; |
|
continue; |
|
case ESCAPE_OVERSTRIKE: |
|
cp = seq + sz; |
|
while (seq < cp) { |
|
if (*seq == '\\') { |
|
mandoc_escape(&seq, NULL, NULL); |
|
continue; |
|
} |
|
encode1(p, *seq++); |
|
if (seq < cp) { |
|
if (p->flags & TERMP_BACKBEFORE) |
|
p->flags |= TERMP_BACKAFTER; |
|
else |
|
p->flags |= TERMP_BACKBEFORE; |
|
} |
|
} |
|
/* Trim trailing backspace/blank pair. */ |
|
if (p->col > 2 && p->buf[p->col - 1] == ' ') |
|
p->col -= 2; |
|
continue; |
default: |
default: |
errx(1, "display type not supported"); |
continue; |
} |
} |
} |
|
|
|
assert(-1 != type); |
/* |
|
* Common handling for Unicode and numbered |
|
* character escape sequences. |
|
*/ |
|
|
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
if (p->enc == TERMENC_ASCII) { |
if (-1 != i) { |
cp = ascii_uc2str(uc); |
assert(1 == bl->argv[i].sz); |
encode(p, cp, strlen(cp)); |
p->offset += arg_offset(&bl->argv[i]); |
} else { |
} |
if ((uc < 0x20 && uc != 0x09) || |
|
(uc > 0x7E && uc < 0xA0)) |
|
uc = 0xFFFD; |
switch (type) { |
encode1(p, uc); |
case (MDOC_Literal): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Unfilled): |
|
break; |
|
default: |
|
return(1); |
|
} |
|
|
|
p->flags |= TERMP_LITERAL; |
|
|
|
for (n = node->child; n; n = n->next) { |
|
if (MDOC_TEXT != n->type) { |
|
warnx("non-text children not yet allowed"); |
|
continue; |
|
} |
} |
word(p, n->data.text.string); |
|
flushln(p); |
|
} |
} |
|
p->flags &= ~TERMP_NBRWORD; |
return(0); |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_bd_post(DECL_ARGS) |
adjbuf(struct termp *p, size_t sz) |
{ |
{ |
|
|
if (MDOC_BODY != node->type) |
if (0 == p->maxcols) |
return; |
p->maxcols = 1024; |
|
while (sz >= p->maxcols) |
|
p->maxcols <<= 2; |
|
|
if ( ! (p->flags & TERMP_LITERAL)) |
p->buf = mandoc_reallocarray(p->buf, p->maxcols, sizeof(int)); |
flushln(p); |
|
|
|
p->flags &= ~TERMP_LITERAL; |
|
p->offset = pair->offset; |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_qq_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
word(p, "\""); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_qq_post(DECL_ARGS) |
bufferc(struct termp *p, char c) |
{ |
{ |
|
|
if (MDOC_BODY != node->type) |
if (p->col + 1 >= p->maxcols) |
return; |
adjbuf(p, p->col + 1); |
p->flags |= TERMP_NOSPACE; |
|
word(p, "\""); |
|
} |
|
|
|
|
p->buf[p->col++] = c; |
/* ARGSUSED */ |
|
static int |
|
termp_bsx_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "BSDI BSD/OS"); |
|
return(1); |
|
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* See encode(). |
|
* Do this for a single (probably unicode) value. |
|
* Does not check for non-decorated glyphs. |
|
*/ |
static void |
static void |
termp_bx_post(DECL_ARGS) |
encode1(struct termp *p, int c) |
{ |
{ |
|
enum termfont f; |
|
|
if (node->child) |
if (p->col + 7 >= p->maxcols) |
p->flags |= TERMP_NOSPACE; |
adjbuf(p, p->col + 7); |
word(p, "BSD"); |
|
} |
|
|
|
|
f = (c == ASCII_HYPH || isgraph(c)) ? |
|
p->fontq[p->fonti] : TERMFONT_NONE; |
|
|
/* ARGSUSED */ |
if (p->flags & TERMP_BACKBEFORE) { |
static int |
if (p->buf[p->col - 1] == ' ') |
termp_ox_pre(DECL_ARGS) |
p->col--; |
{ |
else |
|
p->buf[p->col++] = 8; |
word(p, "OpenBSD"); |
p->flags &= ~TERMP_BACKBEFORE; |
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ux_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "UNIX"); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fx_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "FreeBSD"); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_nx_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "NetBSD"); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_sq_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
word(p, "`"); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_sq_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, "\'"); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_pf_pre(DECL_ARGS) |
|
{ |
|
|
|
p->flags |= TERMP_IGNDELIM; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_pf_post(DECL_ARGS) |
|
{ |
|
|
|
p->flags &= ~TERMP_IGNDELIM; |
|
p->flags |= TERMP_NOSPACE; |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ss_pre(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
vspace(p); |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); |
|
p->offset = INDENT / 2; |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
if (TERMFONT_UNDER == f || TERMFONT_BI == f) { |
return(1); |
p->buf[p->col++] = '_'; |
} |
p->buf[p->col++] = 8; |
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_ss_post(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
newln(p); |
|
p->offset = INDENT; |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
if (TERMFONT_BOLD == f || TERMFONT_BI == f) { |
|
if (ASCII_HYPH == c) |
|
p->buf[p->col++] = '-'; |
|
else |
|
p->buf[p->col++] = c; |
|
p->buf[p->col++] = 8; |
|
} |
|
p->buf[p->col++] = c; |
|
if (p->flags & TERMP_BACKAFTER) { |
|
p->flags |= TERMP_BACKBEFORE; |
|
p->flags &= ~TERMP_BACKAFTER; |
|
} |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_pa_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_em_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_cd_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); |
|
newln(p); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_cm_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ic_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_in_pre(DECL_ARGS) |
|
{ |
|
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); |
|
word(p, "#include"); |
|
word(p, "<"); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_in_post(DECL_ARGS) |
encode(struct termp *p, const char *word, size_t sz) |
{ |
{ |
|
size_t i; |
|
|
p->flags |= TERMP_NOSPACE; |
if (p->col + 2 + (sz * 5) >= p->maxcols) |
word(p, ">"); |
adjbuf(p, p->col + 2 + (sz * 5)); |
|
|
newln(p); |
for (i = 0; i < sz; i++) { |
if (SEC_SYNOPSIS != node->sec) |
if (ASCII_HYPH == word[i] || |
return; |
isgraph((unsigned char)word[i])) |
if (node->next && MDOC_In != node->next->tok) |
encode1(p, word[i]); |
vspace(p); |
else |
} |
p->buf[p->col++] = word[i]; |
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_at_pre(DECL_ARGS) |
|
{ |
|
const char *att; |
|
|
|
att = NULL; |
|
|
|
if (node->child) { |
|
assert(MDOC_TEXT == node->child->type); |
|
att = mdoc_a2att(node->child->data.text.string); |
|
} |
} |
|
|
if (NULL == att) |
|
att = "AT&T UNIX"; |
|
|
|
word(p, att); |
|
return(0); |
|
} |
} |
|
|
|
void |
/* ARGSUSED */ |
term_setwidth(struct termp *p, const char *wstr) |
static int |
|
termp_bq_pre(DECL_ARGS) |
|
{ |
{ |
|
struct roffsu su; |
|
int iop, width; |
|
|
if (MDOC_BODY != node->type) |
iop = 0; |
return(1); |
width = 0; |
word(p, "["); |
if (NULL != wstr) { |
p->flags |= TERMP_NOSPACE; |
switch (*wstr) { |
return(1); |
case '+': |
} |
iop = 1; |
|
wstr++; |
|
break; |
/* ARGSUSED */ |
case '-': |
static void |
iop = -1; |
termp_bq_post(DECL_ARGS) |
wstr++; |
{ |
break; |
|
default: |
if (MDOC_BODY != node->type) |
break; |
return; |
} |
word(p, "]"); |
if (a2roffsu(wstr, &su, SCALE_MAX)) |
} |
width = term_hspan(p, &su); |
|
else |
|
iop = 0; |
/* ARGSUSED */ |
|
static int |
|
termp_pq_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
word(p, "\\&("); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_pq_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
word(p, ")"); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fo_pre(DECL_ARGS) |
|
{ |
|
const struct mdoc_node *n; |
|
|
|
if (MDOC_BODY == node->type) { |
|
word(p, "("); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} else if (MDOC_HEAD != node->type) |
|
return(1); |
|
|
|
/* XXX - groff shows only first parameter */ |
|
|
|
p->flags |= ttypes[TTYPE_FUNC_NAME]; |
|
for (n = node->child; n; n = n->next) { |
|
assert(MDOC_TEXT == n->type); |
|
word(p, n->data.text.string); |
|
} |
} |
p->flags &= ~ttypes[TTYPE_FUNC_NAME]; |
(*p->setwidth)(p, iop, width); |
|
|
return(0); |
|
} |
} |
|
|
|
size_t |
/* ARGSUSED */ |
term_len(const struct termp *p, size_t sz) |
static void |
|
termp_fo_post(DECL_ARGS) |
|
{ |
{ |
|
|
if (MDOC_BODY != node->type) |
return((*p->width)(p, ' ') * sz); |
return; |
|
word(p, ")"); |
|
word(p, ";"); |
|
newln(p); |
|
} |
} |
|
|
|
static size_t |
/* ARGSUSED */ |
cond_width(const struct termp *p, int c, int *skip) |
static int |
|
termp_bf_pre(DECL_ARGS) |
|
{ |
{ |
const struct mdoc_node *n; |
|
const struct mdoc_block *b; |
|
|
|
/* XXX - we skip over possible trailing HEAD tokens. */ |
if (*skip) { |
|
(*skip) = 0; |
if (MDOC_HEAD == node->type) |
|
return(0); |
return(0); |
else if (MDOC_BLOCK != node->type) |
} else |
return(1); |
return((*p->width)(p, c)); |
|
|
b = &node->data.block; |
|
|
|
if (NULL == (n = b->head->child)) { |
|
if (arg_hasattr(MDOC_Emphasis, b->argc, b->argv)) |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); |
|
else if (arg_hasattr(MDOC_Symbolic, b->argc, b->argv)) |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); |
|
|
|
return(1); |
|
} |
|
|
|
assert(MDOC_TEXT == n->type); |
|
|
|
if (0 == strcmp("Em", n->data.text.string)) |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); |
|
else if (0 == strcmp("Sy", n->data.text.string)) |
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); |
|
|
|
return(1); |
|
} |
} |
|
|
|
size_t |
/* ARGSUSED */ |
term_strlen(const struct termp *p, const char *cp) |
static int |
|
termp_sy_pre(DECL_ARGS) |
|
{ |
{ |
|
size_t sz, rsz, i; |
|
int ssz, skip, uc; |
|
const char *seq, *rhs; |
|
enum mandoc_esc esc; |
|
static const char rej[] = { '\\', ASCII_NBRSP, ASCII_HYPH, |
|
ASCII_BREAK, '\0' }; |
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); |
/* |
return(1); |
* Account for escaped sequences within string length |
} |
* calculations. This follows the logic in term_word() as we |
|
* must calculate the width of produced strings. |
|
*/ |
|
|
|
sz = 0; |
|
skip = 0; |
|
while ('\0' != *cp) { |
|
rsz = strcspn(cp, rej); |
|
for (i = 0; i < rsz; i++) |
|
sz += cond_width(p, *cp++, &skip); |
|
|
/* ARGSUSED */ |
switch (*cp) { |
static int |
case '\\': |
termp_ms_pre(DECL_ARGS) |
cp++; |
{ |
esc = mandoc_escape(&cp, &seq, &ssz); |
|
if (ESCAPE_ERROR == esc) |
|
continue; |
|
|
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); |
rhs = NULL; |
return(1); |
|
} |
|
|
|
|
switch (esc) { |
|
case ESCAPE_UNICODE: |
|
uc = mchars_num2uc(seq + 1, ssz - 1); |
|
break; |
|
case ESCAPE_NUMBERED: |
|
uc = mchars_num2char(seq, ssz); |
|
if (uc < 0) |
|
continue; |
|
break; |
|
case ESCAPE_SPECIAL: |
|
if (p->enc == TERMENC_ASCII) { |
|
rhs = mchars_spec2str(p->symtab, |
|
seq, ssz, &rsz); |
|
if (rhs != NULL) |
|
break; |
|
} else { |
|
uc = mchars_spec2cp(p->symtab, |
|
seq, ssz); |
|
if (uc > 0) |
|
sz += cond_width(p, uc, &skip); |
|
} |
|
continue; |
|
case ESCAPE_SKIPCHAR: |
|
skip = 1; |
|
continue; |
|
case ESCAPE_OVERSTRIKE: |
|
rsz = 0; |
|
rhs = seq + ssz; |
|
while (seq < rhs) { |
|
if (*seq == '\\') { |
|
mandoc_escape(&seq, NULL, NULL); |
|
continue; |
|
} |
|
i = (*p->width)(p, *seq++); |
|
if (rsz < i) |
|
rsz = i; |
|
} |
|
sz += rsz; |
|
continue; |
|
default: |
|
continue; |
|
} |
|
|
|
/* |
|
* Common handling for Unicode and numbered |
|
* character escape sequences. |
|
*/ |
|
|
/* ARGSUSED */ |
if (rhs == NULL) { |
static int |
if (p->enc == TERMENC_ASCII) { |
termp_sm_pre(DECL_ARGS) |
rhs = ascii_uc2str(uc); |
{ |
rsz = strlen(rhs); |
|
} else { |
|
if ((uc < 0x20 && uc != 0x09) || |
|
(uc > 0x7E && uc < 0xA0)) |
|
uc = 0xFFFD; |
|
sz += cond_width(p, uc, &skip); |
|
continue; |
|
} |
|
} |
|
|
#if notyet |
if (skip) { |
assert(node->child); |
skip = 0; |
if (0 == strcmp("off", node->child->data.text.string)) { |
break; |
p->flags &= ~TERMP_NONOSPACE; |
} |
p->flags &= ~TERMP_NOSPACE; |
|
} else { |
|
p->flags |= TERMP_NONOSPACE; |
|
p->flags |= TERMP_NOSPACE; |
|
} |
|
#endif |
|
|
|
return(0); |
/* |
} |
* Common handling for all escape sequences |
|
* printing more than one character. |
|
*/ |
|
|
|
for (i = 0; i < rsz; i++) |
|
sz += (*p->width)(p, *rhs++); |
|
break; |
|
case ASCII_NBRSP: |
|
sz += cond_width(p, ' ', &skip); |
|
cp++; |
|
break; |
|
case ASCII_HYPH: |
|
sz += cond_width(p, '-', &skip); |
|
cp++; |
|
/* FALLTHROUGH */ |
|
case ASCII_BREAK: |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
/* ARGSUSED */ |
return(sz); |
static int |
|
termp__t_pre(DECL_ARGS) |
|
{ |
|
|
|
/* FIXME: titles are underlined. */ |
|
word(p, "\""); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
} |
|
|
|
int |
/* ARGSUSED */ |
term_vspan(const struct termp *p, const struct roffsu *su) |
static void |
|
termp__t_post(DECL_ARGS) |
|
{ |
{ |
|
double r; |
|
int ri; |
|
|
p->flags |= TERMP_NOSPACE; |
switch (su->unit) { |
/* FIXME: titles are underlined. */ |
case SCALE_BU: |
word(p, "\""); |
r = su->scale / 40.0; |
word(p, node->next ? "," : "."); |
break; |
|
case SCALE_CM: |
|
r = su->scale * 6.0 / 2.54; |
|
break; |
|
case SCALE_FS: |
|
r = su->scale * 65536.0 / 40.0; |
|
break; |
|
case SCALE_IN: |
|
r = su->scale * 6.0; |
|
break; |
|
case SCALE_MM: |
|
r = su->scale * 0.006; |
|
break; |
|
case SCALE_PC: |
|
r = su->scale; |
|
break; |
|
case SCALE_PT: |
|
r = su->scale / 12.0; |
|
break; |
|
case SCALE_EN: |
|
/* FALLTHROUGH */ |
|
case SCALE_EM: |
|
r = su->scale * 0.6; |
|
break; |
|
case SCALE_VS: |
|
r = su->scale; |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
ri = r > 0.0 ? r + 0.4995 : r - 0.4995; |
|
return(ri < 66 ? ri : 1); |
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* Convert a scaling width to basic units, rounding down. |
static void |
*/ |
termp____post(DECL_ARGS) |
int |
|
term_hspan(const struct termp *p, const struct roffsu *su) |
{ |
{ |
|
|
p->flags |= TERMP_NOSPACE; |
return((*p->hspan)(p, su)); |
word(p, node->next ? "," : "."); |
|
} |
} |