version 1.5, 2009/02/21 19:05:28 |
version 1.11, 2009/02/23 09:46:59 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* 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 |
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* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
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#include <err.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
#include <unistd.h> |
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#include "term.h" |
#include "term.h" |
#include "private.h" /* XXX */ |
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enum termstyle { |
#define INDENT 4 |
STYLE_CLEAR, |
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STYLE_BOLD, |
/* |
STYLE_UNDERLINE |
* 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. */ |
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#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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static void termprint_r(struct termp *, |
static int arg_hasattr(int, size_t, |
const struct mdoc_meta *, |
const struct mdoc_arg *); |
const struct mdoc_node *); |
static int arg_getattr(int, size_t, |
static void termprint_header(struct termp *, |
const struct mdoc_arg *); |
const struct mdoc_meta *); |
static size_t arg_offset(const char *); |
static void termprint_footer(struct termp *, |
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const struct mdoc_meta *); |
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static void pword(struct termp *, const char *, size_t); |
/* |
static void chara(struct termp *, char); |
* What follows describes prefix and postfix operations for the abstract |
static void escape(struct termp *, enum termstyle); |
* 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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void |
#define DECL_PRE(name) \ |
flushln(struct termp *p) |
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) |
{ |
{ |
size_t i, j, vsz, vis, maxvis; |
if (0 == strcmp(v, "indent")) |
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return(INDENT); |
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if (0 == strcmp(v, "indent-two")) |
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return(INDENT * 2); |
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/* |
/* TODO */ |
* First, establish the maximum columns of "visible" content. |
return(0); |
* This is usually the difference between the right-margin and |
} |
* an indentation, but can be, for tagged lists or columns, a |
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* small set of values. |
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*/ |
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assert(p->offset < p->rmargin); |
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maxvis = p->rmargin - p->offset; |
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vis = 0; |
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static int |
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arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv) |
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{ |
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return(-1 != arg_getattr(arg, argc, argv)); |
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} |
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static int |
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arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv) |
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{ |
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int i; |
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for (i = 0; i < (int)argc; i++) |
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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 void |
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termp_it_post(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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/* |
/* |
* If in the standard case (left-justified), then begin with our |
* This (and termp_it_pre()) are the most complicated functions |
* indentation, otherwise (columns, etc.) just start spitting |
* here. They must account for a considerable number of |
* out text. |
* switches that completely change the output behaviour, like |
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* -tag versus -column. Yech. |
*/ |
*/ |
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if ( ! (p->flags & TERMP_NOLPAD)) |
switch (node->type) { |
/* LINTED */ |
case (MDOC_BODY): |
for (j = 0; j < p->offset; j++) |
/* FALLTHROUGH */ |
putchar(' '); |
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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for (i = 0; i < p->col; i++) { |
it = node->parent; |
/* |
assert(MDOC_BLOCK == it->type); |
* Count up visible word characters. Control sequences |
assert(MDOC_It == it->tok); |
* (starting with the CSI) aren't counted. |
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*/ |
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assert( ! isspace(p->buf[i])); |
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/* LINTED */ |
n = it->parent; |
for (j = i, vsz = 0; j < p->col; j++) { |
assert(MDOC_BODY == n->type); |
if (isspace(p->buf[j])) |
assert(MDOC_Bl == n->tok); |
break; |
n = n->parent; |
else if (27 == p->buf[j]) { |
bl = &n->data.block; |
assert(j + 4 <= p->col); |
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j += 3; |
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} else |
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vsz++; |
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} |
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assert(vsz > 0); |
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/* |
/* If `-tag', adjust our margins accordingly. */ |
* If a word is too long and we're within a line, put it |
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* on the next line. Puke if we're being asked to write |
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* something that will exceed the right margin (i.e., |
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* from a fresh line or when we're not allowed to break |
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* the line with TERMP_NOBREAK). |
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*/ |
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if (vis && vis + vsz >= maxvis) { |
if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) { |
/* FIXME */ |
i = arg_getattr(MDOC_Width, bl->argc, bl->argv); |
if (p->flags & TERMP_NOBREAK) |
assert(i >= 0); |
errx(1, "word breaks right margin"); |
assert(1 == bl->argv[i].sz); |
putchar('\n'); |
width = strlen(*bl->argv[i].value); /* XXX */ |
for (j = 0; j < p->offset; j++) |
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putchar(' '); |
if (MDOC_HEAD == node->type) { |
vis = 0; |
flushln(p); |
} else if (vis + vsz >= maxvis) { |
/* FIXME: nested lists. */ |
/* FIXME */ |
p->rmargin = p->maxrmargin; |
errx(1, "word breaks right margin"); |
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)) { |
* Write out the word and a trailing space. Omit the |
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
* space if we're the last word in the line. |
width = 0; |
*/ |
if (i >= 0) { |
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assert(1 == bl->argv[i].sz); |
for ( ; i < p->col; i++) { |
width = arg_offset(*bl->argv[i].value); |
if (isspace(p->buf[i])) |
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break; |
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putchar(p->buf[i]); |
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} |
} |
vis += vsz; |
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if (i < p->col) { |
flushln(p); |
putchar(' '); |
p->offset -= width; |
vis++; |
return; |
} |
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} |
} |
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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_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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/* |
/* |
* If we're not to right-marginalise it (newline), then instead |
* Also see termp_it_post() for general comments. |
* pad to the right margin and stay off. |
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*/ |
*/ |
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if (p->flags & TERMP_NOBREAK) { |
switch (node->type) { |
for ( ; vis <= maxvis; vis++) |
case (MDOC_BODY): |
putchar(' '); |
/* FALLTHROUGH */ |
} else |
case (MDOC_HEAD): |
putchar('\n'); |
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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p->col = 0; |
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 `-compact', don't assert vertical space. */ |
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if (MDOC_BLOCK == node->type) { |
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if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) |
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newln(p); |
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else |
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vspace(p); |
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return(1); |
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} |
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assert(MDOC_HEAD == node->type |
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|| MDOC_BODY == node->type); |
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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); /* XXX */ |
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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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/* FIXME: nested lists. */ |
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if (MDOC_HEAD == node->type) { |
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p->flags |= TERMP_NOBREAK; |
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p->flags |= TERMP_NOSPACE; |
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p->rmargin = p->offset + width; |
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} else { |
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p->flags |= TERMP_NOSPACE; |
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p->flags |= TERMP_NOLPAD; |
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p->offset += width + 1; |
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} |
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return(1); |
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} |
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/* If `-ohang', adjust left-margin. */ |
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if (arg_hasattr(MDOC_Ohang, bl->argc, bl->argv)) { |
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width = 0; |
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i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
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if (i >= 0) { |
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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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p->flags |= TERMP_NOSPACE; |
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p->offset += width; |
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return(1); |
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} |
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return(1); |
} |
} |
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void |
/* ARGSUSED */ |
newln(struct termp *p) |
static void |
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termp_nm_post(DECL_ARGS) |
{ |
{ |
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/* |
p->flags &= ~ttypes[TTYPE_PROG]; |
* A newline only breaks an existing line; it won't assert |
} |
* vertical space. |
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*/ |
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/* ARGSUSED */ |
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static void |
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termp_fl_post(DECL_ARGS) |
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{ |
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p->flags &= ~ttypes[TTYPE_CMD_FLAG]; |
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} |
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/* ARGSUSED */ |
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static int |
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termp_ar_pre(DECL_ARGS) |
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{ |
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p->flags |= ttypes[TTYPE_CMD_ARG]; |
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if (NULL == node->child) |
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word(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_nm_pre(DECL_ARGS) |
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{ |
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p->flags |= ttypes[TTYPE_PROG]; |
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if (NULL == node->child) |
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word(p, meta->name); |
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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_ns_pre(DECL_ARGS) |
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{ |
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p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
if (0 == p->col) |
return(1); |
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} |
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/* ARGSUSED */ |
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static int |
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termp_pp_pre(DECL_ARGS) |
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{ |
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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 void |
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termp_ar_post(DECL_ARGS) |
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{ |
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p->flags &= ~ttypes[TTYPE_CMD_ARG]; |
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} |
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/* ARGSUSED */ |
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static int |
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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; |
return; |
flushln(p); |
p->flags |= TERMP_NOSPACE; |
|
word(p, "\\(rB"); |
} |
} |
|
|
|
|
void |
/* ARGSUSED */ |
vspace(struct termp *p) |
static void |
|
termp_sh_post(DECL_ARGS) |
{ |
{ |
|
|
/* |
switch (node->type) { |
* Asserts a vertical space (a full, empty line-break between |
case (MDOC_HEAD): |
* lines). |
p->flags &= ~ttypes[TTYPE_SECTION]; |
*/ |
newln(p); |
newln(p); |
break; |
putchar('\n'); |
case (MDOC_BODY): |
|
newln(p); |
|
p->offset = 0; |
|
break; |
|
default: |
|
break; |
|
} |
} |
} |
|
|
|
|
|
/* 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 |
chara(struct termp *p, char c) |
termp_vt_post(DECL_ARGS) |
{ |
{ |
|
|
/* TODO: dynamically expand the buffer. */ |
p->flags &= ~ttypes[TTYPE_VAR_DECL]; |
if (p->col + 1 >= p->maxcols) |
if (node->sec == SEC_SYNOPSIS) |
errx(1, "line overrun"); |
vspace(p); |
p->buf[(p->col)++] = c; |
|
} |
} |
|
|
|
|
|
/* 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 |
escape(struct termp *p, enum termstyle esc) |
termp_fd_post(DECL_ARGS) |
{ |
{ |
|
|
if (p->col + 4 >= p->maxcols) |
p->flags &= ~ttypes[TTYPE_FUNC_DECL]; |
errx(1, "line overrun"); |
if (node->sec == SEC_SYNOPSIS) |
|
vspace(p); |
|
|
p->buf[(p->col)++] = 27; |
} |
p->buf[(p->col)++] = '['; |
|
switch (esc) { |
|
case (STYLE_CLEAR): |
/* ARGSUSED */ |
p->buf[(p->col)++] = '0'; |
static int |
|
termp_sh_pre(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_HEAD): |
|
vspace(p); |
|
p->flags |= ttypes[TTYPE_SECTION]; |
break; |
break; |
case (STYLE_BOLD): |
case (MDOC_BODY): |
p->buf[(p->col)++] = '1'; |
p->offset = INDENT; |
break; |
break; |
case (STYLE_UNDERLINE): |
default: |
p->buf[(p->col)++] = '4'; |
|
break; |
break; |
|
} |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_op_pre(DECL_ARGS) |
|
{ |
|
|
|
switch (node->type) { |
|
case (MDOC_BODY): |
|
word(p, "\\(lB"); |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
default: |
default: |
abort(); |
break; |
/* NOTREACHED */ |
|
} |
} |
p->buf[(p->col)++] = 'm'; |
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 |
pword(struct termp *p, const char *word, size_t len) |
termp_d1_post(DECL_ARGS) |
{ |
{ |
size_t i; |
|
|
|
assert(len > 0); |
if (MDOC_BODY != node->type) |
|
return; |
|
newln(p); |
|
p->offset -= INDENT; |
|
} |
|
|
if ( ! (p->flags & TERMP_NOSPACE)) |
|
chara(p, ' '); |
|
|
|
p->flags &= ~TERMP_NOSPACE; |
/* ARGSUSED */ |
|
static int |
|
termp_aq_pre(DECL_ARGS) |
|
{ |
|
|
if (p->flags & TERMP_BOLD) |
if (MDOC_BODY != node->type) |
escape(p, STYLE_BOLD); |
return(1); |
if (p->flags & TERMP_UNDERLINE) |
word(p, "<"); |
escape(p, STYLE_UNDERLINE); |
p->flags |= TERMP_NOSPACE; |
|
return(1); |
|
} |
|
|
/* TODO: escape patterns. */ |
|
|
|
for (i = 0; i < len; i++) |
/* ARGSUSED */ |
chara(p, word[i]); |
static void |
|
termp_aq_post(DECL_ARGS) |
|
{ |
|
|
if (p->flags & TERMP_BOLD || |
if (MDOC_BODY != node->type) |
p->flags & TERMP_UNDERLINE) |
return; |
escape(p, STYLE_CLEAR); |
p->flags |= TERMP_NOSPACE; |
|
word(p, ">"); |
} |
} |
|
|
|
|
void |
/* ARGSUSED */ |
word(struct termp *p, const char *word) |
static int |
|
termp_ft_pre(DECL_ARGS) |
{ |
{ |
size_t i, j, len; |
|
|
|
if (mdoc_isdelim(word)) |
p->flags |= ttypes[TTYPE_FUNC_TYPE]; |
p->flags |= TERMP_NOSPACE; |
return(1); |
|
} |
|
|
len = strlen(word); |
|
assert(len > 0); |
|
|
|
/* LINTED */ |
/* ARGSUSED */ |
for (j = i = 0; i < len; i++) { |
static void |
if ( ! isspace(word[i])) { |
termp_ft_post(DECL_ARGS) |
j++; |
{ |
continue; |
|
} |
p->flags &= ~ttypes[TTYPE_FUNC_TYPE]; |
if (0 == j) |
if (node->sec == SEC_SYNOPSIS) |
continue; |
newln(p); |
assert(i >= j); |
|
pword(p, &word[i - j], j); |
} |
j = 0; |
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
termp_fn_pre(DECL_ARGS) |
|
{ |
|
const struct mdoc_node *n; |
|
|
|
assert(node->child); |
|
assert(MDOC_TEXT == node->child->type); |
|
|
|
/* FIXME: can be "type funcname" "type varname"... */ |
|
|
|
p->flags |= ttypes[TTYPE_FUNC_NAME]; |
|
word(p, node->child->data.text.string); |
|
p->flags &= ~ttypes[TTYPE_FUNC_NAME]; |
|
|
|
p->flags |= TERMP_NOSPACE; |
|
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, ","); |
} |
} |
if (j > 0) { |
|
assert(i >= j); |
p->flags |= TERMP_NOSPACE; |
pword(p, &word[i - j], j); |
word(p, ")"); |
} |
|
|
if (SEC_SYNOPSIS == node->sec) |
|
word(p, ";"); |
|
|
|
return(0); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
static void |
static void |
termprint_r(struct termp *p, const struct mdoc_meta *meta, |
termp_fn_post(DECL_ARGS) |
const struct mdoc_node *node) |
|
{ |
{ |
int dochild; |
|
|
|
/* Pre-processing. */ |
if (node->sec == SEC_SYNOPSIS) |
|
vspace(p); |
|
|
dochild = 1; |
} |
|
|
if (MDOC_TEXT != node->type) { |
|
if (termacts[node->tok].pre) |
|
if ( ! (*termacts[node->tok].pre)(p, meta, node)) |
|
dochild = 0; |
|
} else /* MDOC_TEXT == node->type */ |
|
word(p, node->data.text.string); |
|
|
|
/* Children. */ |
/* ARGSUSED */ |
|
static int |
|
termp_sx_pre(DECL_ARGS) |
|
{ |
|
|
if (dochild && node->child) |
p->flags |= ttypes[TTYPE_LINK]; |
termprint_r(p, meta, node->child); |
return(1); |
|
} |
|
|
/* Post-processing. */ |
|
|
|
if (MDOC_TEXT != node->type) { |
/* ARGSUSED */ |
if (termacts[node->tok].post) |
static void |
if ( ! (*termacts[node->tok].post)(p, meta, node)) |
termp_sx_post(DECL_ARGS) |
return; |
{ |
} |
|
|
|
/* Siblings. */ |
p->flags &= ~ttypes[TTYPE_LINK]; |
|
} |
|
|
if (node->next) |
|
termprint_r(p, meta, node->next); |
/* ARGSUSED */ |
|
static int |
|
termp_fa_pre(DECL_ARGS) |
|
{ |
|
|
|
p->flags |= ttypes[TTYPE_FUNC_ARG]; |
|
return(1); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
static void |
static void |
termprint_footer(struct termp *p, const struct mdoc_meta *meta) |
termp_fa_post(DECL_ARGS) |
{ |
{ |
struct tm *tm; |
|
char *buf, *os; |
|
size_t sz, osz, ssz, i; |
|
|
|
if (NULL == (buf = malloc(p->rmargin))) |
p->flags &= ~ttypes[TTYPE_FUNC_ARG]; |
err(1, "malloc"); |
} |
if (NULL == (os = malloc(p->rmargin))) |
|
err(1, "malloc"); |
|
|
|
tm = localtime(&meta->date); |
|
if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) |
|
err(1, "strftime"); |
|
|
|
osz = strlcpy(os, meta->os, p->rmargin); |
/* ARGSUSED */ |
|
static int |
|
termp_va_pre(DECL_ARGS) |
|
{ |
|
|
sz = strlen(buf); |
p->flags |= ttypes[TTYPE_VAR_DECL]; |
ssz = sz + osz + 1; |
return(1); |
|
} |
|
|
if (ssz > p->rmargin) { |
|
ssz -= p->rmargin; |
|
assert(ssz <= osz); |
|
os[osz - ssz] = 0; |
|
ssz = 1; |
|
} else |
|
ssz = p->rmargin - ssz + 1; |
|
|
|
printf("\n"); |
/* ARGSUSED */ |
printf("%s", os); |
static void |
for (i = 0; i < ssz; i++) |
termp_va_post(DECL_ARGS) |
printf(" "); |
{ |
|
|
printf("%s\n", buf); |
p->flags &= ~ttypes[TTYPE_VAR_DECL]; |
fflush(stdout); |
} |
|
|
free(buf); |
|
free(os); |
/* 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(0); |
} |
} |
|
|
|
|
|
/* 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 |
termprint_header(struct termp *p, const struct mdoc_meta *meta) |
termp_qq_post(DECL_ARGS) |
{ |
{ |
char *msec, *buf, *title, *pp; |
|
size_t ssz, tsz, ttsz, i;; |
|
|
|
if (NULL == (buf = malloc(p->rmargin))) |
if (MDOC_BODY != node->type) |
err(1, "malloc"); |
return; |
if (NULL == (title = malloc(p->rmargin))) |
p->flags |= TERMP_NOSPACE; |
err(1, "malloc"); |
word(p, "\""); |
|
} |
|
|
if (NULL == (pp = mdoc_vol2a(meta->vol))) |
|
switch (meta->msec) { |
|
case (MSEC_1): |
|
/* FALLTHROUGH */ |
|
case (MSEC_6): |
|
/* FALLTHROUGH */ |
|
case (MSEC_7): |
|
pp = mdoc_vol2a(VOL_URM); |
|
break; |
|
case (MSEC_8): |
|
pp = mdoc_vol2a(VOL_SMM); |
|
break; |
|
case (MSEC_2): |
|
/* FALLTHROUGH */ |
|
case (MSEC_3): |
|
/* FALLTHROUGH */ |
|
case (MSEC_4): |
|
/* FALLTHROUGH */ |
|
case (MSEC_5): |
|
pp = mdoc_vol2a(VOL_PRM); |
|
break; |
|
case (MSEC_9): |
|
pp = mdoc_vol2a(VOL_KM); |
|
break; |
|
default: |
|
/* FIXME: capitalise. */ |
|
if (NULL == (pp = mdoc_msec2a(meta->msec))) |
|
pp = mdoc_msec2a(MSEC_local); |
|
break; |
|
} |
|
assert(pp); |
|
|
|
tsz = strlcpy(buf, pp, p->rmargin); |
/* ARGSUSED */ |
assert(tsz < p->rmargin); |
static int |
|
termp_bx_pre(DECL_ARGS) |
|
{ |
|
|
if ((pp = mdoc_arch2a(meta->arch))) { |
word(p, "BSD"); |
tsz = strlcat(buf, " (", p->rmargin); |
return(1); |
assert(tsz < p->rmargin); |
} |
tsz = strlcat(buf, pp, p->rmargin); |
|
assert(tsz < p->rmargin); |
|
tsz = strlcat(buf, ")", p->rmargin); |
/* ARGSUSED */ |
assert(tsz < p->rmargin); |
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; |
|
default: |
|
break; |
} |
} |
|
|
ttsz = strlcpy(title, meta->title, p->rmargin); |
return(1); |
|
} |
|
|
if (NULL == (msec = mdoc_msec2a(meta->msec))) |
|
msec = ""; |
|
|
|
ssz = (2 * (ttsz + 2 + strlen(msec))) + tsz + 2; |
/* ARGSUSED */ |
|
static void |
|
termp_ss_post(DECL_ARGS) |
|
{ |
|
|
if (ssz > p->rmargin) { |
switch (node->type) { |
if ((ssz -= p->rmargin) % 2) |
case (MDOC_HEAD): |
ssz++; |
p->flags &= ~ttypes[TTYPE_SSECTION]; |
ssz /= 2; |
newln(p); |
|
p->offset = INDENT; |
assert(ssz <= ttsz); |
break; |
title[ttsz - ssz] = 0; |
default: |
ssz = 1; |
break; |
} else |
} |
ssz = ((p->rmargin - ssz) / 2) + 1; |
} |
|
|
printf("%s(%s)", title, msec); |
|
|
|
for (i = 0; i < ssz; i++) |
/* ARGSUSED */ |
printf(" "); |
static int |
|
termp_pa_pre(DECL_ARGS) |
|
{ |
|
|
printf("%s", buf); |
p->flags |= ttypes[TTYPE_FILE]; |
|
return(1); |
|
} |
|
|
for (i = 0; i < ssz; i++) |
|
printf(" "); |
|
|
|
printf("%s(%s)\n", title, msec); |
/* ARGSUSED */ |
fflush(stdout); |
static void |
|
termp_pa_post(DECL_ARGS) |
|
{ |
|
|
free(title); |
p->flags &= ~ttypes[TTYPE_FILE]; |
free(buf); |
|
} |
} |
|
|
|
|
int |
/* ARGSUSED */ |
termprint(const struct mdoc_node *node, |
static int |
const struct mdoc_meta *meta) |
termp_qo_pre(DECL_ARGS) |
{ |
{ |
struct termp p; |
|
|
|
p.maxrmargin = 80; /* XXX */ |
if (MDOC_BODY != node->type) |
p.rmargin = p.maxrmargin; |
return(1); |
p.maxcols = 1024; |
word(p, "\""); |
p.offset = p.col = 0; |
p->flags |= TERMP_NOSPACE; |
p.flags = TERMP_NOSPACE; |
return(1); |
|
} |
|
|
if (NULL == (p.buf = malloc(p.maxcols))) |
|
err(1, "malloc"); |
|
|
|
termprint_header(&p, meta); |
/* ARGSUSED */ |
termprint_r(&p, meta, node); |
static void |
termprint_footer(&p, meta); |
termp_qo_post(DECL_ARGS) |
|
{ |
|
|
free(p.buf); |
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); |
return(1); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static void |
|
termp_em_post(DECL_ARGS) |
|
{ |
|
|
|
p->flags &= ~ttypes[TTYPE_EMPH]; |
|
} |