version 1.11, 2009/02/23 09:46:59 |
version 1.267, 2017/06/07 20:01:19 |
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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) 2010-2017 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> |
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#include <ctype.h> |
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#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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#define INDENT 4 |
static size_t cond_width(const struct termp *, int, int *); |
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static void adjbuf(struct termp_col *, size_t); |
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static void bufferc(struct termp *, char); |
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static void encode(struct termp *, const char *, size_t); |
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static void encode1(struct termp *, int); |
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static void endline(struct termp *); |
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/* |
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* Performs actions on nodes of the abstract syntax tree. Both pre- and |
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* post-fix operations are defined here. |
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*/ |
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/* FIXME: indent/tab. */ |
void |
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term_free(struct termp *p) |
#define TTYPE_PROG 0 |
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#define TTYPE_CMD_FLAG 1 |
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#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_NMAX 13 |
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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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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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}; |
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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 char *); |
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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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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_aq); |
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DECL_PREPOST(termp_ar); |
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DECL_PREPOST(termp_d1); |
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DECL_PREPOST(termp_dq); |
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DECL_PREPOST(termp_em); |
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DECL_PREPOST(termp_fa); |
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DECL_PREPOST(termp_fd); |
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DECL_PREPOST(termp_fl); |
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DECL_PREPOST(termp_fn); |
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DECL_PREPOST(termp_ft); |
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DECL_PREPOST(termp_it); |
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DECL_PREPOST(termp_nm); |
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DECL_PREPOST(termp_op); |
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DECL_PREPOST(termp_pa); |
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DECL_PREPOST(termp_pf); |
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DECL_PREPOST(termp_qo); |
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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_sx); |
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DECL_PREPOST(termp_va); |
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DECL_PREPOST(termp_vt); |
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DECL_PRE(termp_bd); |
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DECL_PRE(termp_bx); |
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DECL_PRE(termp_ex); |
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DECL_PRE(termp_nd); |
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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_pp); |
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DECL_PRE(termp_ud); |
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DECL_PRE(termp_xr); |
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DECL_POST(termp_bl); |
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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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{ NULL, NULL }, /* Dl */ |
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{ termp_bd_pre, NULL }, /* 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, termp_ar_post }, /* Ar */ |
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{ NULL, NULL }, /* Cd */ |
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{ NULL, 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, termp_fa_post }, /* Fa */ |
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{ termp_fd_pre, termp_fd_post }, /* Fd */ |
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{ termp_fl_pre, termp_fl_post }, /* 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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{ NULL, NULL }, /* Ic */ |
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{ NULL, NULL }, /* In */ |
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{ NULL, NULL }, /* Li */ |
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{ termp_nd_pre, NULL }, /* Nd */ |
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{ termp_nm_pre, termp_nm_post }, /* 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, termp_pa_post }, /* Pa */ |
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{ NULL, NULL }, /* Rv */ |
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{ NULL, NULL }, /* St */ |
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{ termp_va_pre, termp_va_post }, /* 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, NULL }, /* %A */ |
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{ NULL, NULL }, /* %B */ |
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{ NULL, NULL }, /* %D */ |
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{ NULL, NULL }, /* %I */ |
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{ NULL, NULL }, /* %J */ |
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{ NULL, NULL }, /* %N */ |
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{ NULL, NULL }, /* %O */ |
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{ NULL, NULL }, /* %P */ |
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{ NULL, NULL }, /* %R */ |
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{ NULL, NULL }, /* %T */ |
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{ NULL, NULL }, /* %V */ |
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{ NULL, NULL }, /* Ac */ |
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{ NULL, NULL }, /* Ao */ |
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{ termp_aq_pre, termp_aq_post }, /* Aq */ |
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{ NULL, NULL }, /* At */ |
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{ NULL, NULL }, /* Bc */ |
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{ NULL, NULL }, /* Bf */ |
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{ NULL, NULL }, /* Bo */ |
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{ NULL, NULL }, /* Bq */ |
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{ NULL, NULL }, /* Bsx */ |
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{ termp_bx_pre, NULL }, /* Bx */ |
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{ NULL, NULL }, /* Db */ |
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{ NULL, NULL }, /* Dc */ |
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{ NULL, NULL }, /* 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, termp_em_post }, /* Em */ |
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{ NULL, NULL }, /* Eo */ |
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{ NULL, NULL }, /* Fx */ |
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{ NULL, 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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{ NULL, NULL }, /* Po */ |
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{ NULL, NULL }, /* Pq */ |
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{ NULL, NULL }, /* Qc */ |
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{ NULL, NULL }, /* Ql */ |
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{ termp_qo_pre, termp_qo_post }, /* Qo */ |
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{ termp_qq_pre, termp_qq_post }, /* Qq */ |
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{ NULL, NULL }, /* Re */ |
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{ NULL, NULL }, /* Rs */ |
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{ NULL, NULL }, /* Sc */ |
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{ NULL, NULL }, /* So */ |
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{ termp_sq_pre, termp_sq_post }, /* Sq */ |
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{ NULL, NULL }, /* Sm */ |
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{ termp_sx_pre, termp_sx_post }, /* Sx */ |
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{ NULL, NULL }, /* Sy */ |
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{ NULL, NULL }, /* Tn */ |
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{ NULL, NULL }, /* Ux */ |
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{ NULL, NULL }, /* Xc */ |
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{ NULL, NULL }, /* Xo */ |
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{ NULL, NULL }, /* Fo */ |
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{ NULL, NULL }, /* Fc */ |
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{ NULL, NULL }, /* 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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{ NULL, 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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}; |
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const struct termact *termacts = __termacts; |
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static size_t |
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arg_offset(const char *v) |
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{ |
{ |
if (0 == strcmp(v, "indent")) |
for (p->tcol = p->tcols; p->tcol < p->tcols + p->maxtcol; p->tcol++) |
return(INDENT); |
free(p->tcol->buf); |
if (0 == strcmp(v, "indent-two")) |
free(p->tcols); |
return(INDENT * 2); |
free(p->fontq); |
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free(p); |
/* TODO */ |
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return(0); |
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} |
} |
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void |
static int |
term_begin(struct termp *p, term_margin head, |
arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv) |
term_margin foot, const struct roff_meta *arg) |
{ |
{ |
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return(-1 != arg_getattr(arg, argc, argv)); |
p->headf = head; |
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p->footf = foot; |
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p->argf = arg; |
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(*p->begin)(p); |
} |
} |
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void |
static int |
term_end(struct termp *p) |
arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv) |
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{ |
{ |
int i; |
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for (i = 0; i < (int)argc; i++) |
(*p->end)(p); |
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 */ |
* Flush a chunk of text. By default, break the output line each time |
static int |
* the right margin is reached, and continue output on the next line |
termp_dq_pre(DECL_ARGS) |
* 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_HANG: 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_NOPAD: Start writing at the current position, |
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* do not pad with blank characters up to the offset. |
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*/ |
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void |
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term_flushln(struct termp *p) |
{ |
{ |
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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->tcol->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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int ntab; /* number of tabs to prepend */ |
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if (MDOC_BODY != node->type) |
vbl = (p->flags & TERMP_NOPAD) || p->tcol->offset < p->viscol ? |
return(1); |
0 : p->tcol->offset - p->viscol; |
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if (p->minbl && vbl < p->minbl) |
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vbl = p->minbl; |
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maxvis = p->tcol->rmargin > p->viscol + vbl ? |
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p->tcol->rmargin - p->viscol - vbl : 0; |
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bp = !(p->flags & TERMP_NOBREAK) ? maxvis : |
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p->maxrmargin > p->viscol + vbl ? |
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p->maxrmargin - p->viscol - vbl : 0; |
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vis = vend = 0; |
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word(p, "``"); |
if (p->lasttcol == 0) |
p->flags |= TERMP_NOSPACE; |
p->tcol->col = 0; |
return(1); |
while (p->tcol->col < p->lastcol) { |
} |
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/* |
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* Handle literal tab characters: collapse all |
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* subsequent tabs into a single huge set of spaces. |
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*/ |
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/* ARGSUSED */ |
ntab = 0; |
static void |
while (p->tcol->col < p->lastcol && |
termp_dq_post(DECL_ARGS) |
p->tcol->buf[p->tcol->col] == '\t') { |
{ |
vend = term_tab_next(vis); |
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vbl += vend - vis; |
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vis = vend; |
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ntab++; |
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p->tcol->col++; |
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} |
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if (MDOC_BODY != node->type) |
/* |
return; |
* Count up visible word characters. Control sequences |
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* (starting with the CSI) aren't counted. A space |
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* generates a non-printing word, which is valid (the |
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* space is printed according to regular spacing rules). |
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*/ |
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p->flags |= TERMP_NOSPACE; |
jhy = 0; |
word(p, "''"); |
for (j = p->tcol->col; j < p->lastcol; j++) { |
} |
if (p->tcol->buf[j] == ' ' || p->tcol->buf[j] == '\t') |
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break; |
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/* Back over the last printed character. */ |
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if (p->tcol->buf[j] == '\b') { |
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assert(j); |
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vend -= (*p->width)(p, p->tcol->buf[j - 1]); |
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continue; |
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} |
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/* ARGSUSED */ |
/* Regular word. */ |
static void |
/* Break at the hyphen point if we overrun. */ |
termp_it_post(DECL_ARGS) |
if (vend > vis && vend < bp && |
{ |
(p->tcol->buf[j] == ASCII_HYPH|| |
const struct mdoc_node *n, *it; |
p->tcol->buf[j] == ASCII_BREAK)) |
const struct mdoc_block *bl; |
jhy = j; |
int i; |
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size_t width; |
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/* |
/* |
* This (and termp_it_pre()) are the most complicated functions |
* Hyphenation now decided, put back a real |
* here. They must account for a considerable number of |
* hyphen such that we get the correct width. |
* switches that completely change the output behaviour, like |
*/ |
* -tag versus -column. Yech. |
if (p->tcol->buf[j] == ASCII_HYPH) |
*/ |
p->tcol->buf[j] = '-'; |
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switch (node->type) { |
vend += (*p->width)(p, p->tcol->buf[j]); |
case (MDOC_BODY): |
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/* FALLTHROUGH */ |
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case (MDOC_HEAD): |
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break; |
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default: |
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return; |
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} |
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it = node->parent; |
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assert(MDOC_BLOCK == it->type); |
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assert(MDOC_It == it->tok); |
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n = it->parent; |
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assert(MDOC_BODY == n->type); |
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assert(MDOC_Bl == n->tok); |
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n = n->parent; |
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bl = &n->data.block; |
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/* If `-tag', adjust our margins accordingly. */ |
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if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) { |
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i = arg_getattr(MDOC_Width, bl->argc, bl->argv); |
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assert(i >= 0); |
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assert(1 == bl->argv[i].sz); |
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width = strlen(*bl->argv[i].value); /* XXX */ |
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if (MDOC_HEAD == node->type) { |
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flushln(p); |
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/* FIXME: nested lists. */ |
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p->rmargin = p->maxrmargin; |
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p->flags &= ~TERMP_NOBREAK; |
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} else { |
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flushln(p); |
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p->offset -= width + 1; |
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p->flags &= ~TERMP_NOLPAD; |
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} |
} |
return; |
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} |
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if (arg_hasattr(MDOC_Ohang, bl->argc, bl->argv)) { |
/* |
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
* Find out whether we would exceed the right margin. |
width = 0; |
* If so, break to the next line. |
if (i >= 0) { |
*/ |
assert(1 == bl->argv[i].sz); |
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width = arg_offset(*bl->argv[i].value); |
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} |
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flushln(p); |
if (vend > bp && jhy == 0 && vis > 0 && |
p->offset -= width; |
(p->flags & TERMP_BRNEVER) == 0) { |
return; |
if (p->lasttcol) |
} |
return; |
} |
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endline(p); |
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vend -= vis; |
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/* ARGSUSED */ |
/* Use pending tabs on the new line. */ |
static int |
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termp_it_pre(DECL_ARGS) |
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{ |
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const struct mdoc_node *n, *it; |
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const struct mdoc_block *bl; |
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int i; |
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size_t width; |
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/* |
vbl = 0; |
* Also see termp_it_post() for general comments. |
while (ntab--) |
*/ |
vbl = term_tab_next(vbl); |
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switch (node->type) { |
/* Re-establish indentation. */ |
case (MDOC_BODY): |
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/* FALLTHROUGH */ |
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case (MDOC_HEAD): |
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it = node->parent; |
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break; |
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case (MDOC_BLOCK): |
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it = node; |
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break; |
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default: |
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return(1); |
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} |
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assert(MDOC_BLOCK == it->type); |
if (p->flags & TERMP_BRIND) |
assert(MDOC_It == it->tok); |
vbl += p->tcol->rmargin; |
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else |
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vbl += p->tcol->offset; |
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maxvis = p->tcol->rmargin > vbl ? |
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p->tcol->rmargin - vbl : 0; |
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bp = !(p->flags & TERMP_NOBREAK) ? maxvis : |
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p->maxrmargin > vbl ? p->maxrmargin - vbl : 0; |
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} |
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n = it->parent; |
/* |
assert(MDOC_BODY == n->type); |
* Write out the rest of the word. |
assert(MDOC_Bl == n->tok); |
*/ |
n = n->parent; |
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bl = &n->data.block; |
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|
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/* If `-compact', don't assert vertical space. */ |
for ( ; p->tcol->col < p->lastcol; p->tcol->col++) { |
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if (vend > bp && jhy > 0 && p->tcol->col > jhy) |
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break; |
|
if (p->tcol->buf[p->tcol->col] == '\t') |
|
break; |
|
if (p->tcol->buf[p->tcol->col] == ' ') { |
|
j = p->tcol->col; |
|
while (p->tcol->col < p->lastcol && |
|
p->tcol->buf[p->tcol->col] == ' ') |
|
p->tcol->col++; |
|
dv = (p->tcol->col - j) * (*p->width)(p, ' '); |
|
vbl += dv; |
|
vend += dv; |
|
break; |
|
} |
|
if (p->tcol->buf[p->tcol->col] == ASCII_NBRSP) { |
|
vbl += (*p->width)(p, ' '); |
|
continue; |
|
} |
|
if (p->tcol->buf[p->tcol->col] == ASCII_BREAK) |
|
continue; |
|
|
if (MDOC_BLOCK == node->type) { |
/* |
if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) |
* Now we definitely know there will be |
newln(p); |
* printable characters to output, |
else |
* so write preceding white space now. |
vspace(p); |
*/ |
return(1); |
if (vbl) { |
} |
(*p->advance)(p, vbl); |
|
p->viscol += vbl; |
|
vbl = 0; |
|
} |
|
|
assert(MDOC_HEAD == node->type |
(*p->letter)(p, p->tcol->buf[p->tcol->col]); |
|| MDOC_BODY == node->type); |
if (p->tcol->buf[p->tcol->col] == '\b') |
|
p->viscol -= (*p->width)(p, |
/* If `-tag', adjust our margins accordingly. */ |
p->tcol->buf[p->tcol->col - 1]); |
|
else |
if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) { |
p->viscol += (*p->width)(p, |
i = arg_getattr(MDOC_Width, bl->argc, bl->argv); |
p->tcol->buf[p->tcol->col]); |
assert(i >= 0); /* XXX */ |
|
assert(1 == bl->argv[i].sz); |
|
width = strlen(*bl->argv[i].value); /* XXX */ |
|
|
|
/* FIXME: nested lists. */ |
|
|
|
if (MDOC_HEAD == node->type) { |
|
p->flags |= TERMP_NOBREAK; |
|
p->flags |= TERMP_NOSPACE; |
|
p->rmargin = p->offset + width; |
|
} else { |
|
p->flags |= TERMP_NOSPACE; |
|
p->flags |= TERMP_NOLPAD; |
|
p->offset += width + 1; |
|
} |
} |
return(1); |
vis = vend; |
} |
} |
|
|
/* If `-ohang', adjust left-margin. */ |
/* |
|
* If there was trailing white space, it was not printed; |
|
* so reset the cursor position accordingly. |
|
*/ |
|
|
if (arg_hasattr(MDOC_Ohang, bl->argc, bl->argv)) { |
if (vis > vbl) |
width = 0; |
vis -= vbl; |
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
else |
if (i >= 0) { |
vis = 0; |
assert(1 == bl->argv[i].sz); |
|
width = arg_offset(*bl->argv[i].value); |
|
} |
|
|
|
p->flags |= TERMP_NOSPACE; |
p->col = p->lastcol = 0; |
p->offset += width; |
p->minbl = p->trailspace; |
return(1); |
p->flags &= ~(TERMP_BACKAFTER | TERMP_BACKBEFORE | TERMP_NOPAD); |
} |
|
|
|
return(1); |
/* 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 void |
if ((p->flags & TERMP_NOBREAK) == 0 || |
termp_nm_post(DECL_ARGS) |
((p->flags & TERMP_HANG) == 0 && |
{ |
vis + p->trailspace * (*p->width)(p, ' ') > maxvis)) |
|
endline(p); |
p->flags &= ~ttypes[TTYPE_PROG]; |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_fl_post(DECL_ARGS) |
endline(struct termp *p) |
{ |
{ |
|
if ((p->flags & (TERMP_NEWMC | TERMP_ENDMC)) == TERMP_ENDMC) { |
p->flags &= ~ttypes[TTYPE_CMD_FLAG]; |
p->mc = NULL; |
|
p->flags &= ~TERMP_ENDMC; |
|
} |
|
if (p->mc != NULL) { |
|
if (p->viscol && p->maxrmargin >= p->viscol) |
|
(*p->advance)(p, p->maxrmargin - p->viscol + 1); |
|
p->flags |= TERMP_NOBUF | TERMP_NOSPACE; |
|
term_word(p, p->mc); |
|
p->flags &= ~(TERMP_NOBUF | TERMP_NEWMC); |
|
} |
|
p->viscol = 0; |
|
p->minbl = 0; |
|
(*p->endline)(p); |
} |
} |
|
|
|
/* |
/* 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_ar_pre(DECL_ARGS) |
* assertion. |
|
*/ |
|
void |
|
term_newln(struct termp *p) |
{ |
{ |
|
|
p->flags |= ttypes[TTYPE_CMD_ARG]; |
p->flags |= TERMP_NOSPACE; |
if (NULL == node->child) |
if (p->lastcol || p->viscol) |
word(p, "..."); |
term_flushln(p); |
return(1); |
|
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* Asserts a vertical space (a full, empty line-break between lines). |
static int |
* Note that if used twice, this will cause two blank spaces and so on. |
termp_nm_pre(DECL_ARGS) |
* All data in the output buffer is flushed prior to the newline |
|
* assertion. |
|
*/ |
|
void |
|
term_vspace(struct termp *p) |
{ |
{ |
|
|
p->flags |= ttypes[TTYPE_PROG]; |
term_newln(p); |
if (NULL == node->child) |
p->viscol = 0; |
word(p, meta->name); |
p->minbl = 0; |
return(1); |
if (0 < p->skipvsp) |
|
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_ns_pre(DECL_ARGS) |
|
{ |
{ |
|
enum termfont f; |
|
|
p->flags |= TERMP_NOSPACE; |
f = p->fontl; |
return(1); |
p->fontl = p->fontq[p->fonti]; |
|
p->fontq[p->fonti] = f; |
} |
} |
|
|
|
/* Set font, save current, discard previous; for \f, .ft, .B etc. */ |
/* ARGSUSED */ |
void |
static int |
term_fontrepl(struct termp *p, enum termfont f) |
termp_pp_pre(DECL_ARGS) |
|
{ |
{ |
|
|
vspace(p); |
p->fontl = p->fontq[p->fonti]; |
return(1); |
p->fontq[p->fonti] = f; |
} |
} |
|
|
|
/* Set font, save previous. */ |
/* ARGSUSED */ |
void |
static void |
term_fontpush(struct termp *p, enum termfont f) |
termp_ar_post(DECL_ARGS) |
|
{ |
{ |
|
|
p->flags &= ~ttypes[TTYPE_CMD_ARG]; |
p->fontl = p->fontq[p->fonti]; |
|
if (++p->fonti == p->fontsz) { |
|
p->fontsz += 8; |
|
p->fontq = mandoc_reallocarray(p->fontq, |
|
p->fontsz, sizeof(*p->fontq)); |
|
} |
|
p->fontq[p->fonti] = f; |
} |
} |
|
|
|
/* Flush to make the saved pointer current again. */ |
/* ARGSUSED */ |
void |
static int |
term_fontpopq(struct termp *p, int i) |
termp_ex_pre(DECL_ARGS) |
|
{ |
{ |
int i; |
|
|
|
i = arg_getattr(MDOC_Std, node->data.elem.argc, |
|
node->data.elem.argv); |
|
assert(i >= 0); |
assert(i >= 0); |
|
if (p->fonti > i) |
word(p, "The"); |
p->fonti = i; |
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); |
|
} |
} |
|
|
|
/* Pop one font off the stack. */ |
/* ARGSUSED */ |
void |
static int |
term_fontpop(struct termp *p) |
termp_nd_pre(DECL_ARGS) |
|
{ |
{ |
|
|
word(p, "\\-"); |
assert(p->fonti); |
return(1); |
p->fonti--; |
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* Handle pwords, partial words, which may be either a single word or a |
static void |
* phrase that cannot be broken down (such as a literal string). This |
termp_bl_post(DECL_ARGS) |
* handles word styling. |
|
*/ |
|
void |
|
term_word(struct termp *p, const char *word) |
{ |
{ |
|
struct roffsu su; |
|
const char nbrsp[2] = { ASCII_NBRSP, 0 }; |
|
const char *seq, *cp; |
|
int sz, uc; |
|
size_t csz, lsz, ssz; |
|
enum mandoc_esc esc; |
|
|
if (MDOC_BLOCK == node->type) |
if ((p->flags & TERMP_NOBUF) == 0) { |
newln(p); |
if ((p->flags & TERMP_NOSPACE) == 0) { |
} |
if ((p->flags & TERMP_KEEP) == 0) { |
|
bufferc(p, ' '); |
|
if (p->flags & TERMP_SENTENCE) |
|
bufferc(p, ' '); |
|
} else |
|
bufferc(p, ASCII_NBRSP); |
|
} |
|
if (p->flags & TERMP_PREKEEP) |
|
p->flags |= TERMP_KEEP; |
|
if (p->flags & TERMP_NONOSPACE) |
|
p->flags |= TERMP_NOSPACE; |
|
else |
|
p->flags &= ~TERMP_NOSPACE; |
|
p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE); |
|
p->skipvsp = 0; |
|
} |
|
|
|
while ('\0' != *word) { |
|
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; |
|
} |
|
|
/* ARGSUSED */ |
word++; |
static void |
esc = mandoc_escape(&word, &seq, &sz); |
termp_op_post(DECL_ARGS) |
if (ESCAPE_ERROR == esc) |
{ |
continue; |
|
|
if (MDOC_BODY != node->type) |
switch (esc) { |
return; |
case ESCAPE_UNICODE: |
p->flags |= TERMP_NOSPACE; |
uc = mchars_num2uc(seq + 1, sz - 1); |
word(p, "\\(rB"); |
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(seq, sz, &ssz); |
|
if (cp != NULL) |
|
encode(p, cp, ssz); |
|
} else { |
|
uc = mchars_spec2cp(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: |
|
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_HORIZ: |
|
if (a2roffsu(seq, &su, SCALE_EM) == 0) |
|
continue; |
|
uc = term_hspan(p, &su) / 24; |
|
if (uc > 0) |
|
while (uc-- > 0) |
|
bufferc(p, ASCII_NBRSP); |
|
else if (p->col > (size_t)(-uc)) |
|
p->col += uc; |
|
else { |
|
uc += p->col; |
|
p->col = 0; |
|
if (p->tcol->offset > (size_t)(-uc)) { |
|
p->ti += uc; |
|
p->tcol->offset += uc; |
|
} else { |
|
p->ti -= p->tcol->offset; |
|
p->tcol->offset = 0; |
|
} |
|
} |
|
continue; |
|
case ESCAPE_HLINE: |
|
if (a2roffsu(seq, &su, SCALE_EM) == 0) |
|
continue; |
|
uc = term_hspan(p, &su) / 24; |
|
if (uc <= 0) { |
|
if (p->tcol->rmargin <= p->tcol->offset) |
|
continue; |
|
lsz = p->tcol->rmargin - p->tcol->offset; |
|
} else |
|
lsz = uc; |
|
while (sz && |
|
strchr(" %&()*+-./0123456789:<=>", *seq)) { |
|
seq++; |
|
sz--; |
|
} |
|
if (sz && strchr("cifMmnPpuv", *seq)) { |
|
seq++; |
|
sz--; |
|
} |
|
if (sz == 0) |
|
uc = -1; |
|
else if (*seq == '\\') { |
|
seq++; |
|
esc = mandoc_escape(&seq, &cp, &sz); |
|
switch (esc) { |
|
case ESCAPE_UNICODE: |
|
uc = mchars_num2uc(cp + 1, sz - 1); |
|
break; |
|
case ESCAPE_NUMBERED: |
|
uc = mchars_num2char(cp, sz); |
|
break; |
|
case ESCAPE_SPECIAL: |
|
uc = mchars_spec2cp(cp, sz); |
|
break; |
|
default: |
|
uc = -1; |
|
break; |
|
} |
|
} else |
|
uc = *seq; |
|
if (uc < 0x20 || (uc > 0x7E && uc < 0xA0)) |
|
uc = '_'; |
|
if (p->enc == TERMENC_ASCII) { |
|
cp = ascii_uc2str(uc); |
|
csz = term_strlen(p, cp); |
|
ssz = strlen(cp); |
|
} else |
|
csz = (*p->width)(p, uc); |
|
while (lsz >= csz) { |
|
if (p->enc == TERMENC_ASCII) |
|
encode(p, cp, ssz); |
|
else |
|
encode1(p, uc); |
|
lsz -= csz; |
|
} |
|
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->lastcol > 2 && |
|
(p->tcol->buf[p->lastcol - 1] == ' ' || |
|
p->tcol->buf[p->lastcol - 1] == '\t')) |
|
p->lastcol -= 2; |
|
if (p->col > p->lastcol) |
|
p->col = p->lastcol; |
|
continue; |
|
default: |
|
continue; |
|
} |
|
|
|
/* |
|
* Common handling for Unicode and numbered |
|
* character escape sequences. |
|
*/ |
|
|
/* ARGSUSED */ |
if (p->enc == TERMENC_ASCII) { |
static void |
cp = ascii_uc2str(uc); |
termp_sh_post(DECL_ARGS) |
encode(p, cp, strlen(cp)); |
{ |
} else { |
|
if ((uc < 0x20 && uc != 0x09) || |
switch (node->type) { |
(uc > 0x7E && uc < 0xA0)) |
case (MDOC_HEAD): |
uc = 0xFFFD; |
p->flags &= ~ttypes[TTYPE_SECTION]; |
encode1(p, uc); |
newln(p); |
} |
break; |
|
case (MDOC_BODY): |
|
newln(p); |
|
p->offset = 0; |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
p->flags &= ~TERMP_NBRWORD; |
} |
} |
|
|
|
|
/* 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". */ |
|
p->flags |= ttypes[TTYPE_VAR_DECL]; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_vt_post(DECL_ARGS) |
adjbuf(struct termp_col *c, size_t sz) |
{ |
{ |
|
if (c->maxcols == 0) |
p->flags &= ~ttypes[TTYPE_VAR_DECL]; |
c->maxcols = 1024; |
if (node->sec == SEC_SYNOPSIS) |
while (c->maxcols <= sz) |
vspace(p); |
c->maxcols <<= 2; |
|
c->buf = mandoc_reallocarray(c->buf, c->maxcols, sizeof(*c->buf)); |
} |
} |
|
|
|
|
/* 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. |
|
*/ |
|
p->flags |= ttypes[TTYPE_FUNC_DECL]; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_fd_post(DECL_ARGS) |
bufferc(struct termp *p, char c) |
{ |
{ |
|
if (p->flags & TERMP_NOBUF) { |
p->flags &= ~ttypes[TTYPE_FUNC_DECL]; |
(*p->letter)(p, c); |
if (node->sec == SEC_SYNOPSIS) |
return; |
vspace(p); |
|
|
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_sh_pre(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
vspace(p); |
|
p->flags |= ttypes[TTYPE_SECTION]; |
|
break; |
|
case (MDOC_BODY): |
|
p->offset = INDENT; |
|
break; |
|
default: |
|
break; |
|
} |
} |
return(1); |
if (p->col + 1 >= p->tcol->maxcols) |
|
adjbuf(p->tcol, p->col + 1); |
|
if (p->lastcol <= p->col || (c != ' ' && c != ASCII_NBRSP)) |
|
p->tcol->buf[p->col] = c; |
|
if (p->lastcol < ++p->col) |
|
p->lastcol = p->col; |
} |
} |
|
|
|
/* |
/* ARGSUSED */ |
* See encode(). |
static int |
* Do this for a single (probably unicode) value. |
termp_op_pre(DECL_ARGS) |
* Does not check for non-decorated glyphs. |
{ |
*/ |
|
|
switch (node->type) { |
|
case (MDOC_BODY): |
|
word(p, "\\(lB"); |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
default: |
|
break; |
|
} |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ud_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "currently under development."); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fl_pre(DECL_ARGS) |
|
{ |
|
|
|
p->flags |= ttypes[TTYPE_CMD_FLAG]; |
|
word(p, "\\-"); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_d1_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
newln(p); |
|
p->offset += INDENT; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_d1_post(DECL_ARGS) |
encode1(struct termp *p, int c) |
{ |
{ |
|
enum termfont f; |
|
|
if (MDOC_BODY != node->type) |
if (p->flags & TERMP_NOBUF) { |
|
(*p->letter)(p, c); |
return; |
return; |
newln(p); |
} |
p->offset -= INDENT; |
|
} |
|
|
|
|
if (p->col + 7 >= p->tcol->maxcols) |
|
adjbuf(p->tcol, p->col + 7); |
|
|
/* ARGSUSED */ |
f = (c == ASCII_HYPH || c > 127 || isgraph(c)) ? |
static int |
p->fontq[p->fonti] : TERMFONT_NONE; |
termp_aq_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
if (p->flags & TERMP_BACKBEFORE) { |
return(1); |
if (p->tcol->buf[p->col - 1] == ' ' || |
word(p, "<"); |
p->tcol->buf[p->col - 1] == '\t') |
p->flags |= TERMP_NOSPACE; |
p->col--; |
return(1); |
else |
|
p->tcol->buf[p->col++] = '\b'; |
|
p->flags &= ~TERMP_BACKBEFORE; |
|
} |
|
if (f == TERMFONT_UNDER || f == TERMFONT_BI) { |
|
p->tcol->buf[p->col++] = '_'; |
|
p->tcol->buf[p->col++] = '\b'; |
|
} |
|
if (f == TERMFONT_BOLD || f == TERMFONT_BI) { |
|
if (c == ASCII_HYPH) |
|
p->tcol->buf[p->col++] = '-'; |
|
else |
|
p->tcol->buf[p->col++] = c; |
|
p->tcol->buf[p->col++] = '\b'; |
|
} |
|
if (p->lastcol <= p->col || (c != ' ' && c != ASCII_NBRSP)) |
|
p->tcol->buf[p->col] = c; |
|
if (p->lastcol < ++p->col) |
|
p->lastcol = p->col; |
|
if (p->flags & TERMP_BACKAFTER) { |
|
p->flags |= TERMP_BACKBEFORE; |
|
p->flags &= ~TERMP_BACKAFTER; |
|
} |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static void |
static void |
termp_aq_post(DECL_ARGS) |
encode(struct termp *p, const char *word, size_t sz) |
{ |
{ |
|
size_t i; |
|
|
if (MDOC_BODY != node->type) |
if (p->flags & TERMP_NOBUF) { |
|
for (i = 0; i < sz; i++) |
|
(*p->letter)(p, word[i]); |
return; |
return; |
p->flags |= TERMP_NOSPACE; |
} |
word(p, ">"); |
|
} |
|
|
|
|
if (p->col + 2 + (sz * 5) >= p->tcol->maxcols) |
|
adjbuf(p->tcol, p->col + 2 + (sz * 5)); |
|
|
/* ARGSUSED */ |
for (i = 0; i < sz; i++) { |
static int |
if (ASCII_HYPH == word[i] || |
termp_ft_pre(DECL_ARGS) |
isgraph((unsigned char)word[i])) |
{ |
encode1(p, word[i]); |
|
else { |
|
if (p->lastcol <= p->col || |
|
(word[i] != ' ' && word[i] != ASCII_NBRSP)) |
|
p->tcol->buf[p->col] = word[i]; |
|
p->col++; |
|
|
p->flags |= ttypes[TTYPE_FUNC_TYPE]; |
/* |
return(1); |
* Postpone the effect of \z while handling |
} |
* an overstrike sequence from ascii_uc2str(). |
|
*/ |
|
|
|
if (word[i] == '\b' && |
/* ARGSUSED */ |
(p->flags & TERMP_BACKBEFORE)) { |
static void |
p->flags &= ~TERMP_BACKBEFORE; |
termp_ft_post(DECL_ARGS) |
p->flags |= TERMP_BACKAFTER; |
{ |
} |
|
} |
p->flags &= ~ttypes[TTYPE_FUNC_TYPE]; |
} |
if (node->sec == SEC_SYNOPSIS) |
if (p->lastcol < p->col) |
newln(p); |
p->lastcol = p->col; |
|
|
} |
} |
|
|
|
void |
/* ARGSUSED */ |
term_setwidth(struct termp *p, const char *wstr) |
static int |
|
termp_fn_pre(DECL_ARGS) |
|
{ |
{ |
const struct mdoc_node *n; |
struct roffsu su; |
|
int iop, width; |
|
|
assert(node->child); |
iop = 0; |
assert(MDOC_TEXT == node->child->type); |
width = 0; |
|
if (NULL != wstr) { |
/* FIXME: can be "type funcname" "type varname"... */ |
switch (*wstr) { |
|
case '+': |
p->flags |= ttypes[TTYPE_FUNC_NAME]; |
iop = 1; |
word(p, node->child->data.text.string); |
wstr++; |
p->flags &= ~ttypes[TTYPE_FUNC_NAME]; |
break; |
|
case '-': |
p->flags |= TERMP_NOSPACE; |
iop = -1; |
word(p, "("); |
wstr++; |
|
break; |
p->flags |= TERMP_NOSPACE; |
default: |
for (n = node->child->next; n; n = n->next) { |
break; |
assert(MDOC_TEXT == n->type); |
} |
p->flags |= ttypes[TTYPE_FUNC_ARG]; |
if (a2roffsu(wstr, &su, SCALE_MAX)) |
word(p, n->data.text.string); |
width = term_hspan(p, &su); |
p->flags &= ~ttypes[TTYPE_FUNC_ARG]; |
else |
if ((n->next)) |
iop = 0; |
word(p, ","); |
|
} |
} |
|
(*p->setwidth)(p, iop, width); |
p->flags |= TERMP_NOSPACE; |
|
word(p, ")"); |
|
|
|
if (SEC_SYNOPSIS == node->sec) |
|
word(p, ";"); |
|
|
|
return(0); |
|
} |
} |
|
|
|
size_t |
/* ARGSUSED */ |
term_len(const struct termp *p, size_t sz) |
static void |
|
termp_fn_post(DECL_ARGS) |
|
{ |
{ |
|
|
if (node->sec == SEC_SYNOPSIS) |
return (*p->width)(p, ' ') * sz; |
vspace(p); |
|
|
|
} |
} |
|
|
|
static size_t |
/* ARGSUSED */ |
cond_width(const struct termp *p, int c, int *skip) |
static int |
|
termp_sx_pre(DECL_ARGS) |
|
{ |
{ |
|
|
p->flags |= ttypes[TTYPE_LINK]; |
if (*skip) { |
return(1); |
(*skip) = 0; |
|
return 0; |
|
} else |
|
return (*p->width)(p, c); |
} |
} |
|
|
|
size_t |
/* ARGSUSED */ |
term_strlen(const struct termp *p, const char *cp) |
static void |
|
termp_sx_post(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' }; |
|
|
p->flags &= ~ttypes[TTYPE_LINK]; |
/* |
} |
* 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_fa_pre(DECL_ARGS) |
cp++; |
{ |
esc = mandoc_escape(&cp, &seq, &ssz); |
|
if (ESCAPE_ERROR == esc) |
|
continue; |
|
|
p->flags |= ttypes[TTYPE_FUNC_ARG]; |
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(seq, ssz, &rsz); |
|
if (rhs != NULL) |
|
break; |
|
} else { |
|
uc = mchars_spec2cp(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; |
|
} |
|
|
/* ARGSUSED */ |
/* |
static void |
* Common handling for Unicode and numbered |
termp_fa_post(DECL_ARGS) |
* character escape sequences. |
{ |
*/ |
|
|
p->flags &= ~ttypes[TTYPE_FUNC_ARG]; |
if (rhs == NULL) { |
} |
if (p->enc == TERMENC_ASCII) { |
|
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 (skip) { |
|
skip = 0; |
|
break; |
|
} |
|
|
/* ARGSUSED */ |
/* |
static int |
* Common handling for all escape sequences |
termp_va_pre(DECL_ARGS) |
* printing more than one character. |
{ |
*/ |
|
|
p->flags |= ttypes[TTYPE_VAR_DECL]; |
for (i = 0; i < rsz; i++) |
return(1); |
sz += (*p->width)(p, *rhs++); |
} |
break; |
|
case ASCII_NBRSP: |
|
sz += cond_width(p, ' ', &skip); |
/* ARGSUSED */ |
cp++; |
static void |
break; |
termp_va_post(DECL_ARGS) |
case ASCII_HYPH: |
{ |
sz += cond_width(p, '-', &skip); |
|
cp++; |
p->flags &= ~ttypes[TTYPE_VAR_DECL]; |
break; |
} |
default: |
|
break; |
|
} |
/* ARGSUSED */ |
|
static int |
|
termp_bd_pre(DECL_ARGS) |
|
{ |
|
const struct mdoc_block *bl; |
|
const struct mdoc_node *n; |
|
|
|
if (MDOC_BLOCK == node->type) { |
|
vspace(p); |
|
return(1); |
|
} else if (MDOC_BODY != node->type) |
|
return(1); |
|
|
|
assert(MDOC_BLOCK == node->parent->type); |
|
|
|
bl = &node->parent->data.block; |
|
if ( ! arg_hasattr(MDOC_Literal, bl->argc, bl->argv)) |
|
return(1); |
|
|
|
p->flags |= TERMP_LITERAL; |
|
|
|
for (n = node->child; n; n = n->next) { |
|
assert(MDOC_TEXT == n->type); /* FIXME */ |
|
if ((*n->data.text.string)) { |
|
word(p, n->data.text.string); |
|
flushln(p); |
|
} else |
|
vspace(p); |
|
|
|
} |
} |
|
|
p->flags &= ~TERMP_LITERAL; |
return sz; |
return(0); |
|
} |
} |
|
|
|
int |
/* ARGSUSED */ |
term_vspan(const struct termp *p, const struct roffsu *su) |
static int |
|
termp_qq_pre(DECL_ARGS) |
|
{ |
{ |
|
double r; |
|
int ri; |
|
|
if (MDOC_BODY != node->type) |
switch (su->unit) { |
return(1); |
case SCALE_BU: |
word(p, "\""); |
r = su->scale / 40.0; |
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_qq_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, "\""); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_bx_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "BSD"); |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_ox_pre(DECL_ARGS) |
|
{ |
|
|
|
word(p, "OpenBSD"); |
|
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); |
|
p->flags |= ttypes[TTYPE_SSECTION]; |
|
p->offset = INDENT / 2; |
|
break; |
break; |
default: |
case SCALE_CM: |
|
r = su->scale * 6.0 / 2.54; |
break; |
break; |
} |
case SCALE_FS: |
|
r = su->scale * 65536.0 / 40.0; |
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_ss_post(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
p->flags &= ~ttypes[TTYPE_SSECTION]; |
|
newln(p); |
|
p->offset = INDENT; |
|
break; |
break; |
default: |
case SCALE_IN: |
|
r = su->scale * 6.0; |
break; |
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: |
|
case SCALE_EM: |
|
r = su->scale * 0.6; |
|
break; |
|
case SCALE_VS: |
|
r = su->scale; |
|
break; |
|
default: |
|
abort(); |
} |
} |
|
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 int |
*/ |
termp_pa_pre(DECL_ARGS) |
int |
|
term_hspan(const struct termp *p, const struct roffsu *su) |
{ |
{ |
|
|
p->flags |= ttypes[TTYPE_FILE]; |
return (*p->hspan)(p, su); |
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_pa_post(DECL_ARGS) |
|
{ |
|
|
|
p->flags &= ~ttypes[TTYPE_FILE]; |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_qo_pre(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return(1); |
|
word(p, "\""); |
|
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_qo_post(DECL_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY != node->type) |
|
return; |
|
p->flags |= TERMP_NOSPACE; |
|
word(p, "\""); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_em_pre(DECL_ARGS) |
|
{ |
|
|
|
p->flags |= ttypes[TTYPE_EMPH]; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_em_post(DECL_ARGS) |
|
{ |
|
|
|
p->flags &= ~ttypes[TTYPE_EMPH]; |
|
} |
} |