/* $Id$ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include "term.h" #include "mdoc.h" /* FIXME: macro arguments can be escaped. */ /* FIXME: support more offset/width tokens. */ #define TTYPE_PROG 0 #define TTYPE_CMD_FLAG 1 #define TTYPE_CMD_ARG 2 #define TTYPE_SECTION 3 #define TTYPE_FUNC_DECL 4 #define TTYPE_VAR_DECL 5 #define TTYPE_FUNC_TYPE 6 #define TTYPE_FUNC_NAME 7 #define TTYPE_FUNC_ARG 8 #define TTYPE_LINK 9 #define TTYPE_SSECTION 10 #define TTYPE_FILE 11 #define TTYPE_EMPH 12 #define TTYPE_CONFIG 13 #define TTYPE_CMD 14 #define TTYPE_INCLUDE 15 #define TTYPE_SYMB 16 #define TTYPE_SYMBOL 17 #define TTYPE_DIAG 18 #define TTYPE_LINK_ANCHOR 19 #define TTYPE_LINK_TEXT 20 #define TTYPE_REF_JOURNAL 21 #define TTYPE_LIST 22 #define TTYPE_NMAX 23 const int ttypes[TTYPE_NMAX] = { TERMP_BOLD, /* TTYPE_PROG */ TERMP_BOLD, /* TTYPE_CMD_FLAG */ TERMP_UNDER, /* TTYPE_CMD_ARG */ TERMP_BOLD, /* TTYPE_SECTION */ TERMP_BOLD, /* TTYPE_FUNC_DECL */ TERMP_UNDER, /* TTYPE_VAR_DECL */ TERMP_UNDER, /* TTYPE_FUNC_TYPE */ TERMP_BOLD, /* TTYPE_FUNC_NAME */ TERMP_UNDER, /* TTYPE_FUNC_ARG */ TERMP_UNDER, /* TTYPE_LINK */ TERMP_BOLD, /* TTYPE_SSECTION */ TERMP_UNDER, /* TTYPE_FILE */ TERMP_UNDER, /* TTYPE_EMPH */ TERMP_BOLD, /* TTYPE_CONFIG */ TERMP_BOLD, /* TTYPE_CMD */ TERMP_BOLD, /* TTYPE_INCLUDE */ TERMP_BOLD, /* TTYPE_SYMB */ TERMP_BOLD, /* TTYPE_SYMBOL */ TERMP_BOLD, /* TTYPE_DIAG */ TERMP_UNDER, /* TTYPE_LINK_ANCHOR */ TERMP_BOLD, /* TTYPE_LINK_TEXT */ TERMP_UNDER, /* TTYPE_REF_JOURNAL */ TERMP_BOLD /* TTYPE_LIST */ }; /* XXX - clean this up. */ struct termpair { struct termpair *ppair; int type; #define TERMPAIR_FLAG (1 << 0) int flag; /* Whether being used. */ size_t offset; /* Left margin. */ size_t rmargin; /* Right margin. */ int count; /* Enum count. */ }; #define TERMPAIR_SETFLAG(termp, p, fl) \ do { \ assert(! (TERMPAIR_FLAG & (p)->type)); \ (termp)->flags |= (fl); \ (p)->flag = (fl); \ (p)->type |= TERMPAIR_FLAG; \ } while ( /* CONSTCOND */ 0) #define DECL_ARGS \ struct termp *p, struct termpair *pair, \ const struct mdoc_meta *meta, \ const struct mdoc_node *node #define DECL_PRE(name) \ static int name##_pre(DECL_ARGS) #define DECL_POST(name) \ static void name##_post(DECL_ARGS) #define DECL_PREPOST(name) \ DECL_PRE(name); \ DECL_POST(name); DECL_PREPOST(termp__t); DECL_PREPOST(termp_aq); DECL_PREPOST(termp_bd); DECL_PREPOST(termp_bq); DECL_PREPOST(termp_brq); DECL_PREPOST(termp_d1); DECL_PREPOST(termp_dq); DECL_PREPOST(termp_fd); DECL_PREPOST(termp_fn); DECL_PREPOST(termp_fo); DECL_PREPOST(termp_ft); DECL_PREPOST(termp_in); DECL_PREPOST(termp_it); DECL_PREPOST(termp_lb); DECL_PREPOST(termp_op); DECL_PREPOST(termp_pf); DECL_PREPOST(termp_pq); DECL_PREPOST(termp_qq); DECL_PREPOST(termp_sh); DECL_PREPOST(termp_ss); DECL_PREPOST(termp_sq); DECL_PREPOST(termp_vt); DECL_PRE(termp__j); DECL_PRE(termp_ap); DECL_PRE(termp_ar); DECL_PRE(termp_at); DECL_PRE(termp_bf); DECL_PRE(termp_bsx); DECL_PRE(termp_bt); DECL_PRE(termp_cd); DECL_PRE(termp_cm); DECL_PRE(termp_dx); DECL_PRE(termp_em); DECL_PRE(termp_ex); DECL_PRE(termp_fa); DECL_PRE(termp_fl); DECL_PRE(termp_fx); DECL_PRE(termp_ic); DECL_PRE(termp_lk); DECL_PRE(termp_ms); DECL_PRE(termp_mt); DECL_PRE(termp_nd); DECL_PRE(termp_nm); DECL_PRE(termp_ns); DECL_PRE(termp_nx); DECL_PRE(termp_ox); DECL_PRE(termp_pa); DECL_PRE(termp_pp); DECL_PRE(termp_rs); DECL_PRE(termp_rv); DECL_PRE(termp_sm); DECL_PRE(termp_st); DECL_PRE(termp_sx); DECL_PRE(termp_sy); DECL_PRE(termp_ud); DECL_PRE(termp_ux); DECL_PRE(termp_va); DECL_PRE(termp_xr); DECL_POST(termp___); DECL_POST(termp_bl); DECL_POST(termp_bx); struct termact { int (*pre)(DECL_ARGS); void (*post)(DECL_ARGS); }; static const struct termact termacts[MDOC_MAX] = { { NULL, NULL }, /* \" */ { NULL, NULL }, /* Dd */ { NULL, NULL }, /* Dt */ { NULL, NULL }, /* Os */ { termp_sh_pre, termp_sh_post }, /* Sh */ { termp_ss_pre, termp_ss_post }, /* Ss */ { termp_pp_pre, NULL }, /* Pp */ { termp_d1_pre, termp_d1_post }, /* D1 */ { termp_d1_pre, termp_d1_post }, /* Dl */ { termp_bd_pre, termp_bd_post }, /* Bd */ { NULL, NULL }, /* Ed */ { NULL, termp_bl_post }, /* Bl */ { NULL, NULL }, /* El */ { termp_it_pre, termp_it_post }, /* It */ { NULL, NULL }, /* Ad */ { NULL, NULL }, /* An */ { termp_ar_pre, NULL }, /* Ar */ { termp_cd_pre, NULL }, /* Cd */ { termp_cm_pre, NULL }, /* Cm */ { NULL, NULL }, /* Dv */ { NULL, NULL }, /* Er */ { NULL, NULL }, /* Ev */ { termp_ex_pre, NULL }, /* Ex */ { termp_fa_pre, NULL }, /* Fa */ { termp_fd_pre, termp_fd_post }, /* Fd */ { termp_fl_pre, NULL }, /* Fl */ { termp_fn_pre, termp_fn_post }, /* Fn */ { termp_ft_pre, termp_ft_post }, /* Ft */ { termp_ic_pre, NULL }, /* Ic */ { termp_in_pre, termp_in_post }, /* In */ { NULL, NULL }, /* Li */ { termp_nd_pre, NULL }, /* Nd */ { termp_nm_pre, NULL }, /* Nm */ { termp_op_pre, termp_op_post }, /* Op */ { NULL, NULL }, /* Ot */ { termp_pa_pre, NULL }, /* Pa */ { termp_rv_pre, NULL }, /* Rv */ { termp_st_pre, NULL }, /* St */ { termp_va_pre, NULL }, /* Va */ { termp_vt_pre, termp_vt_post }, /* Vt */ { termp_xr_pre, NULL }, /* Xr */ { NULL, termp____post }, /* %A */ { NULL, termp____post }, /* %B */ { NULL, termp____post }, /* %D */ { NULL, termp____post }, /* %I */ { termp__j_pre, termp____post }, /* %J */ { NULL, termp____post }, /* %N */ { NULL, termp____post }, /* %O */ { NULL, termp____post }, /* %P */ { NULL, termp____post }, /* %R */ { termp__t_pre, termp__t_post }, /* %T */ { NULL, termp____post }, /* %V */ { NULL, NULL }, /* Ac */ { termp_aq_pre, termp_aq_post }, /* Ao */ { termp_aq_pre, termp_aq_post }, /* Aq */ { termp_at_pre, NULL }, /* At */ { NULL, NULL }, /* Bc */ { termp_bf_pre, NULL }, /* Bf */ { termp_bq_pre, termp_bq_post }, /* Bo */ { termp_bq_pre, termp_bq_post }, /* Bq */ { termp_bsx_pre, NULL }, /* Bsx */ { NULL, termp_bx_post }, /* Bx */ { NULL, NULL }, /* Db */ { NULL, NULL }, /* Dc */ { termp_dq_pre, termp_dq_post }, /* Do */ { termp_dq_pre, termp_dq_post }, /* Dq */ { NULL, NULL }, /* Ec */ { NULL, NULL }, /* Ef */ { termp_em_pre, NULL }, /* Em */ { NULL, NULL }, /* Eo */ { termp_fx_pre, NULL }, /* Fx */ { termp_ms_pre, NULL }, /* Ms */ { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ { termp_nx_pre, NULL }, /* Nx */ { termp_ox_pre, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ { termp_pf_pre, termp_pf_post }, /* Pf */ { termp_pq_pre, termp_pq_post }, /* Po */ { termp_pq_pre, termp_pq_post }, /* Pq */ { NULL, NULL }, /* Qc */ { termp_sq_pre, termp_sq_post }, /* Ql */ { termp_qq_pre, termp_qq_post }, /* Qo */ { termp_qq_pre, termp_qq_post }, /* Qq */ { NULL, NULL }, /* Re */ { termp_rs_pre, NULL }, /* Rs */ { NULL, NULL }, /* Sc */ { termp_sq_pre, termp_sq_post }, /* So */ { termp_sq_pre, termp_sq_post }, /* Sq */ { termp_sm_pre, NULL }, /* Sm */ { termp_sx_pre, NULL }, /* Sx */ { termp_sy_pre, NULL }, /* Sy */ { NULL, NULL }, /* Tn */ { termp_ux_pre, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ { termp_fo_pre, termp_fo_post }, /* Fo */ { NULL, NULL }, /* Fc */ { termp_op_pre, termp_op_post }, /* Oo */ { NULL, NULL }, /* Oc */ { NULL, NULL }, /* Bk */ { NULL, NULL }, /* Ek */ { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ { NULL, NULL }, /* Fr */ { termp_ud_pre, NULL }, /* Ud */ { termp_lb_pre, termp_lb_post }, /* Lb */ { termp_ap_pre, NULL }, /* Lb */ { termp_pp_pre, NULL }, /* Pp */ { termp_lk_pre, NULL }, /* Lk */ { termp_mt_pre, NULL }, /* Mt */ { termp_brq_pre, termp_brq_post }, /* Brq */ { termp_brq_pre, termp_brq_post }, /* Bro */ { NULL, NULL }, /* Brc */ { NULL, NULL }, /* %C */ { NULL, NULL }, /* Es */ { NULL, NULL }, /* En */ { termp_dx_pre, NULL }, /* Dx */ { NULL, NULL }, /* %Q */ }; #ifdef __linux__ extern size_t strlcpy(char *, const char *, size_t); extern size_t strlcat(char *, const char *, size_t); #endif static int arg_hasattr(int, const struct mdoc_node *); static int arg_getattrs(const int *, int *, size_t, const struct mdoc_node *); static int arg_getattr(int, const struct mdoc_node *); static size_t arg_offset(const struct mdoc_argv *); static size_t arg_width(const struct mdoc_argv *, int); static int arg_listtype(const struct mdoc_node *); static int fmt_block_vspace(struct termp *, const struct mdoc_node *, const struct mdoc_node *); static void print_node(DECL_ARGS); static void print_head(struct termp *, const struct mdoc_meta *); static void print_body(DECL_ARGS); static void print_foot(struct termp *, const struct mdoc_meta *); int mdoc_run(struct termp *p, const struct mdoc *m) { /* * Main output function. When this is called, assume that the * tree is properly formed. */ print_head(p, mdoc_meta(m)); print_body(p, NULL, mdoc_meta(m), mdoc_node(m)); print_foot(p, mdoc_meta(m)); return(1); } static void print_body(DECL_ARGS) { print_node(p, pair, meta, node); if ( ! node->next) return; print_body(p, pair, meta, node->next); } static void print_node(DECL_ARGS) { int dochild; struct termpair npair; /* Pre-processing. */ dochild = 1; npair.ppair = pair; npair.type = 0; npair.offset = npair.rmargin = 0; npair.flag = 0; npair.count = 0; if (MDOC_TEXT != node->type) { if (termacts[node->tok].pre) if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node)) dochild = 0; } else /* MDOC_TEXT == node->type */ term_word(p, node->string); /* Children. */ if (TERMPAIR_FLAG & npair.type) p->flags |= npair.flag; if (dochild && node->child) print_body(p, &npair, meta, node->child); if (TERMPAIR_FLAG & npair.type) p->flags &= ~npair.flag; /* Post-processing. */ if (MDOC_TEXT != node->type) if (termacts[node->tok].post) (*termacts[node->tok].post)(p, &npair, meta, node); } static void print_foot(struct termp *p, const struct mdoc_meta *meta) { struct tm *tm; char *buf, *os; /* * Output the footer in new-groff style, that is, three columns * with the middle being the manual date and flanking columns * being the operating system: * * SYSTEM DATE SYSTEM */ if (NULL == (buf = malloc(p->rmargin))) err(1, "malloc"); if (NULL == (os = malloc(p->rmargin))) err(1, "malloc"); tm = localtime(&meta->date); #ifdef __OpenBSD__ if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) #else if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) #endif err(1, "strftime"); (void)strlcpy(os, meta->os, p->rmargin); term_vspace(p); p->offset = 0; p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2; p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; term_word(p, os); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin - strlen(os); p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; term_word(p, buf); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin; p->flags &= ~TERMP_NOBREAK; p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; term_word(p, os); term_flushln(p); p->offset = 0; p->rmargin = p->maxrmargin; p->flags = 0; free(buf); free(os); } static void print_head(struct termp *p, const struct mdoc_meta *meta) { char *buf, *title; p->rmargin = p->maxrmargin; p->offset = 0; if (NULL == (buf = malloc(p->rmargin))) err(1, "malloc"); if (NULL == (title = malloc(p->rmargin))) err(1, "malloc"); /* * The header is strange. It has three components, which are * really two with the first duplicated. It goes like this: * * IDENTIFIER TITLE IDENTIFIER * * The IDENTIFIER is NAME(SECTION), which is the command-name * (if given, or "unknown" if not) followed by the manual page * section. These are given in `Dt'. The TITLE is a free-form * string depending on the manual volume. If not specified, it * switches on the manual section. */ assert(meta->vol); (void)strlcpy(buf, meta->vol, p->rmargin); if (meta->arch) { (void)strlcat(buf, " (", p->rmargin); (void)strlcat(buf, meta->arch, p->rmargin); (void)strlcat(buf, ")", p->rmargin); } (void)snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec); p->offset = 0; p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2; p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; term_word(p, title); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin - strlen(title); p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; term_word(p, buf); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin; p->flags &= ~TERMP_NOBREAK; p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; term_word(p, title); term_flushln(p); p->offset = 0; p->rmargin = p->maxrmargin; p->flags &= ~TERMP_NOSPACE; free(title); free(buf); } static size_t arg_width(const struct mdoc_argv *arg, int pos) { size_t v; int i, len; assert(pos < (int)arg->sz && pos >= 0); assert(arg->value[pos]); if (0 == strcmp(arg->value[pos], "indent")) return(INDENT); if (0 == strcmp(arg->value[pos], "indent-two")) return(INDENT * 2); if (0 == (len = (int)strlen(arg->value[pos]))) return(0); for (i = 0; i < len - 1; i++) if ( ! isdigit((u_char)arg->value[pos][i])) break; if (i == len - 1) { if ('n' == arg->value[pos][len - 1]) { v = (size_t)atoi(arg->value[pos]); return(v); } } return(strlen(arg->value[pos]) + 1); } static int arg_listtype(const struct mdoc_node *n) { int i, len; assert(MDOC_BLOCK == n->type); len = (int)(n->args ? n->args->argc : 0); for (i = 0; i < len; i++) switch (n->args->argv[i].arg) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): /* FALLTHROUGH */ case (MDOC_Inset): /* FALLTHROUGH */ case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Column): /* FALLTHROUGH */ case (MDOC_Ohang): return(n->args->argv[i].arg); default: break; } errx(1, "list type not supported"); /* NOTREACHED */ } static size_t arg_offset(const struct mdoc_argv *arg) { assert(*arg->value); if (0 == strcmp(*arg->value, "left")) return(0); if (0 == strcmp(*arg->value, "indent")) return(INDENT); if (0 == strcmp(*arg->value, "indent-two")) return(INDENT * 2); /* FIXME: needs to support field-widths (10n, etc.). */ return(strlen(*arg->value)); } static int arg_hasattr(int arg, const struct mdoc_node *n) { return(-1 != arg_getattr(arg, n)); } static int arg_getattr(int v, const struct mdoc_node *n) { int val; return(arg_getattrs(&v, &val, 1, n) ? val : -1); } static int arg_getattrs(const int *keys, int *vals, size_t sz, const struct mdoc_node *n) { int i, j, k; if (NULL == n->args) return(0); for (k = i = 0; i < (int)n->args->argc; i++) for (j = 0; j < (int)sz; j++) if (n->args->argv[i].arg == keys[j]) { vals[j] = i; k++; } return(k); } /* ARGSUSED */ static int fmt_block_vspace(struct termp *p, const struct mdoc_node *bl, const struct mdoc_node *node) { const struct mdoc_node *n; term_newln(p); if (arg_hasattr(MDOC_Compact, bl)) return(1); for (n = node; n; n = n->parent) { if (MDOC_BLOCK != n->type) continue; if (MDOC_Ss == n->tok) break; if (MDOC_Sh == n->tok) break; if (NULL == n->prev) continue; term_vspace(p); break; } return(1); } /* ARGSUSED */ static int termp_dq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\(lq"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_dq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(rq"); } /* ARGSUSED */ static int termp_it_pre(DECL_ARGS) { const struct mdoc_node *bl, *n; char buf[7]; int i, type, keys[3], vals[3]; size_t width, offset; if (MDOC_BLOCK == node->type) return(fmt_block_vspace(p, node->parent->parent, node)); bl = node->parent->parent->parent; /* Save parent attributes. */ pair->offset = p->offset; pair->rmargin = p->rmargin; pair->flag = p->flags; /* Get list width and offset. */ keys[0] = MDOC_Width; keys[1] = MDOC_Offset; keys[2] = MDOC_Column; vals[0] = vals[1] = vals[2] = -1; width = offset = 0; (void)arg_getattrs(keys, vals, 3, bl); type = arg_listtype(bl); /* Calculate real width and offset. */ switch (type) { case (MDOC_Column): if (MDOC_BODY == node->type) break; for (i = 0, n = node->prev; n; n = n->prev, i++) offset += arg_width (&bl->args->argv[vals[2]], i); assert(i < (int)bl->args->argv[vals[2]].sz); width = arg_width(&bl->args->argv[vals[2]], i); if (vals[1] >= 0) offset += arg_offset(&bl->args->argv[vals[1]]); break; default: if (vals[0] >= 0) width = arg_width(&bl->args->argv[vals[0]], 0); if (vals[1] >= 0) offset = arg_offset(&bl->args->argv[vals[1]]); break; } /* * List-type can override the width in the case of fixed-head * values (bullet, dash/hyphen, enum). Tags need a non-zero * offset. */ switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): if (width < 4) width = 4; break; case (MDOC_Tag): if (0 == width) width = 10; break; default: break; } /* * Whitespace control. Inset bodies need an initial space. */ switch (type) { case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Inset): if (MDOC_BODY == node->type) p->flags &= ~TERMP_NOSPACE; else p->flags |= TERMP_NOSPACE; break; default: p->flags |= TERMP_NOSPACE; break; } /* * Style flags. Diagnostic heads need TTYPE_DIAG. */ switch (type) { case (MDOC_Diag): if (MDOC_HEAD == node->type) p->flags |= ttypes[TTYPE_DIAG]; break; default: break; } /* * Pad and break control. This is the tricker part. Lists with * set right-margins for the head get TERMP_NOBREAK because, if * they overrun the margin, they wrap to the new margin. * Correspondingly, the body for these types don't left-pad, as * the head will pad out to to the right. */ switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): if (MDOC_HEAD == node->type) p->flags |= TERMP_NOBREAK; else p->flags |= TERMP_NOLPAD; if (MDOC_HEAD == node->type && MDOC_Tag == type) if (NULL == node->next || NULL == node->next->child) p->flags |= TERMP_NONOBREAK; break; case (MDOC_Column): if (MDOC_HEAD == node->type) { assert(node->next); if (MDOC_BODY == node->next->type) p->flags &= ~TERMP_NOBREAK; else p->flags |= TERMP_NOBREAK; if (node->prev) p->flags |= TERMP_NOLPAD; } break; case (MDOC_Diag): if (MDOC_HEAD == node->type) p->flags |= TERMP_NOBREAK; break; default: break; } /* * Margin control. Set-head-width lists have their right * margins shortened. The body for these lists has the offset * necessarily lengthened. Everybody gets the offset. */ p->offset += offset; switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): if (MDOC_HEAD == node->type) p->rmargin = p->offset + width; else p->offset += width; break; case (MDOC_Column): p->rmargin = p->offset + width; break; default: break; } /* * The dash, hyphen, bullet and enum lists all have a special * HEAD character. Print it now. */ if (MDOC_HEAD == node->type) switch (type) { case (MDOC_Bullet): term_word(p, "\\[bu]"); break; case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Hyphen): term_word(p, "\\-"); break; case (MDOC_Enum): (pair->ppair->ppair->count)++; (void)snprintf(buf, sizeof(buf), "%d.", pair->ppair->ppair->count); term_word(p, buf); break; default: break; } /* * If we're not going to process our children, indicate so here. */ switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Enum): if (MDOC_HEAD == node->type) return(0); break; case (MDOC_Column): if (MDOC_BODY == node->type) return(0); break; default: break; } return(1); } /* ARGSUSED */ static void termp_it_post(DECL_ARGS) { int type; if (MDOC_BODY != node->type && MDOC_HEAD != node->type) return; type = arg_listtype(node->parent->parent->parent); switch (type) { case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Inset): if (MDOC_BODY == node->type) term_flushln(p); break; case (MDOC_Column): if (MDOC_HEAD == node->type) term_flushln(p); break; default: term_flushln(p); break; } p->offset = pair->offset; p->rmargin = pair->rmargin; p->flags = pair->flag; } /* ARGSUSED */ static int termp_nm_pre(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) term_newln(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); if (NULL == node->child) term_word(p, meta->name); return(1); } /* ARGSUSED */ static int termp_fl_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); term_word(p, "\\-"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp_ar_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); return(1); } /* ARGSUSED */ static int termp_ns_pre(DECL_ARGS) { p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp_pp_pre(DECL_ARGS) { term_vspace(p); return(1); } /* ARGSUSED */ static int termp_st_pre(DECL_ARGS) { const char *cp; if (node->child && (cp = mdoc_a2st(node->child->string))) term_word(p, cp); return(0); } /* ARGSUSED */ static int termp_rs_pre(DECL_ARGS) { if (MDOC_BLOCK == node->type && node->prev) term_vspace(p); return(1); } /* ARGSUSED */ static int termp_rv_pre(DECL_ARGS) { int i; if (-1 == (i = arg_getattr(MDOC_Std, node))) errx(1, "expected -std argument"); if (1 != node->args->argv[i].sz) errx(1, "expected -std argument"); term_newln(p); term_word(p, "The"); p->flags |= ttypes[TTYPE_FUNC_NAME]; term_word(p, *node->args->argv[i].value); p->flags &= ~ttypes[TTYPE_FUNC_NAME]; p->flags |= TERMP_NOSPACE; term_word(p, "() function returns the value 0 if successful;"); term_word(p, "otherwise the value -1 is returned and the"); term_word(p, "global variable"); p->flags |= ttypes[TTYPE_VAR_DECL]; term_word(p, "errno"); p->flags &= ~ttypes[TTYPE_VAR_DECL]; term_word(p, "is set to indicate the error."); return(1); } /* ARGSUSED */ static int termp_ex_pre(DECL_ARGS) { int i; if (-1 == (i = arg_getattr(MDOC_Std, node))) errx(1, "expected -std argument"); if (1 != node->args->argv[i].sz) errx(1, "expected -std argument"); term_word(p, "The"); p->flags |= ttypes[TTYPE_PROG]; term_word(p, *node->args->argv[i].value); p->flags &= ~ttypes[TTYPE_PROG]; term_word(p, "utility exits 0 on success, and >0 if an error occurs."); return(1); } /* ARGSUSED */ static int termp_nd_pre(DECL_ARGS) { term_word(p, "\\-"); return(1); } /* ARGSUSED */ static void termp_bl_post(DECL_ARGS) { if (MDOC_BLOCK == node->type) term_newln(p); } /* ARGSUSED */ static void termp_op_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(rB"); } /* ARGSUSED */ static int termp_xr_pre(DECL_ARGS) { const struct mdoc_node *n; if (NULL == (n = node->child)) errx(1, "expected text line argument"); term_word(p, n->string); if (NULL == (n = n->next)) return(0); p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; term_word(p, n->string); p->flags |= TERMP_NOSPACE; term_word(p, ")"); return(0); } /* ARGSUSED */ static int termp_vt_pre(DECL_ARGS) { /* FIXME: this can be "type name". */ TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); return(1); } /* ARGSUSED */ static void termp_vt_post(DECL_ARGS) { if (node->sec == SEC_SYNOPSIS) term_vspace(p); } /* ARGSUSED */ static int termp_fd_pre(DECL_ARGS) { /* * FIXME: this naming is bad. This value is used, in general, * for the #include header or other preprocessor statement. */ TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]); return(1); } /* ARGSUSED */ static void termp_fd_post(DECL_ARGS) { if (node->sec != SEC_SYNOPSIS) return; term_newln(p); if (node->next && MDOC_Fd != node->next->tok) term_vspace(p); } /* ARGSUSED */ static int termp_sh_pre(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): term_vspace(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); break; case (MDOC_BODY): p->offset = INDENT; break; default: break; } return(1); } /* ARGSUSED */ static void termp_sh_post(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): term_newln(p); break; case (MDOC_BODY): term_newln(p); p->offset = 0; break; default: break; } } /* ARGSUSED */ static int termp_op_pre(DECL_ARGS) { switch (node->type) { case (MDOC_BODY): term_word(p, "\\(lB"); p->flags |= TERMP_NOSPACE; break; default: break; } return(1); } /* ARGSUSED */ static int termp_bt_pre(DECL_ARGS) { term_word(p, "is currently in beta test."); return(1); } /* ARGSUSED */ static int termp_lb_pre(DECL_ARGS) { const char *lb; if (NULL == node->child) errx(1, "expected text line argument"); if ((lb = mdoc_a2lib(node->child->string))) { term_word(p, lb); return(0); } term_word(p, "library"); return(1); } /* ARGSUSED */ static void termp_lb_post(DECL_ARGS) { term_newln(p); } /* ARGSUSED */ static int termp_ud_pre(DECL_ARGS) { term_word(p, "currently under development."); return(1); } /* ARGSUSED */ static int termp_d1_pre(DECL_ARGS) { if (MDOC_BLOCK != node->type) return(1); term_newln(p); p->offset += (pair->offset = INDENT); return(1); } /* ARGSUSED */ static void termp_d1_post(DECL_ARGS) { if (MDOC_BLOCK != node->type) return; term_newln(p); p->offset -= pair->offset; } /* ARGSUSED */ static int termp_aq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\(la"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_aq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(ra"); } /* ARGSUSED */ static int termp_ft_pre(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) if (node->prev && MDOC_Fo == node->prev->tok) term_vspace(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); return(1); } /* ARGSUSED */ static void termp_ft_post(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) term_newln(p); } /* ARGSUSED */ static int termp_fn_pre(DECL_ARGS) { const struct mdoc_node *n; if (NULL == node->child) errx(1, "expected text line arguments"); /* FIXME: can be "type funcname" "type varname"... */ p->flags |= ttypes[TTYPE_FUNC_NAME]; term_word(p, node->child->string); p->flags &= ~ttypes[TTYPE_FUNC_NAME]; p->flags |= TERMP_NOSPACE; term_word(p, "("); for (n = node->child->next; n; n = n->next) { p->flags |= ttypes[TTYPE_FUNC_ARG]; term_word(p, n->string); p->flags &= ~ttypes[TTYPE_FUNC_ARG]; if (n->next) term_word(p, ","); } term_word(p, ")"); if (SEC_SYNOPSIS == node->sec) term_word(p, ";"); return(0); } /* ARGSUSED */ static void termp_fn_post(DECL_ARGS) { if (node->sec == SEC_SYNOPSIS && node->next) term_vspace(p); } /* ARGSUSED */ static int termp_sx_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]); return(1); } /* ARGSUSED */ static int termp_fa_pre(DECL_ARGS) { struct mdoc_node *n; if (node->parent->tok != MDOC_Fo) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); return(1); } for (n = node->child; n; n = n->next) { p->flags |= ttypes[TTYPE_FUNC_ARG]; term_word(p, n->string); p->flags &= ~ttypes[TTYPE_FUNC_ARG]; if (n->next) term_word(p, ","); } if (node->child && node->next && node->next->tok == MDOC_Fa) term_word(p, ","); return(0); } /* ARGSUSED */ static int termp_va_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); return(1); } /* ARGSUSED */ static int termp_bd_pre(DECL_ARGS) { int i, type, ln; /* * This is fairly tricky due primarily to crappy documentation. * If -ragged or -filled are specified, the block does nothing * but change the indentation. * * If, on the other hand, -unfilled or -literal are specified, * then the game changes. Text is printed exactly as entered in * the display: if a macro line, a newline is appended to the * line. Blank lines are allowed. */ if (MDOC_BLOCK == node->type) return(fmt_block_vspace(p, node, node)); else if (MDOC_BODY != node->type) return(1); if (NULL == node->parent->args) errx(1, "missing display type"); pair->offset = p->offset; for (type = -1, i = 0; i < (int)node->parent->args->argc; i++) { switch (node->parent->args->argv[i].arg) { case (MDOC_Ragged): /* FALLTHROUGH */ case (MDOC_Filled): /* FALLTHROUGH */ case (MDOC_Unfilled): /* FALLTHROUGH */ case (MDOC_Literal): type = node->parent->args->argv[i].arg; i = (int)node->parent->args->argc; break; default: break; } } if (NULL == node->parent->args) errx(1, "missing display type"); i = arg_getattr(MDOC_Offset, node->parent); if (-1 != i) { if (1 != node->parent->args->argv[i].sz) errx(1, "expected single value"); p->offset += arg_offset(&node->parent->args->argv[i]); } switch (type) { case (MDOC_Literal): /* FALLTHROUGH */ case (MDOC_Unfilled): break; default: return(1); } /* * Tricky. Iterate through all children. If we're on a * different parse line, append a newline and then the contents. * Ew. */ p->flags |= TERMP_LITERAL; ln = node->child ? node->child->line : 0; for (node = node->child; node; node = node->next) { if (ln < node->line) { term_flushln(p); p->flags |= TERMP_NOSPACE; } ln = node->line; print_node(p, pair, meta, node); } return(0); } /* ARGSUSED */ static void termp_bd_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; term_flushln(p); p->flags &= ~TERMP_LITERAL; p->offset = pair->offset; p->flags |= TERMP_NOSPACE; } /* ARGSUSED */ static int termp_qq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\""); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_qq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\""); } /* ARGSUSED */ static int termp_bsx_pre(DECL_ARGS) { term_word(p, "BSDI BSD/OS"); return(1); } /* ARGSUSED */ static void termp_bx_post(DECL_ARGS) { if (node->child) p->flags |= TERMP_NOSPACE; term_word(p, "BSD"); } /* ARGSUSED */ static int termp_ox_pre(DECL_ARGS) { term_word(p, "OpenBSD"); return(1); } /* ARGSUSED */ static int termp_dx_pre(DECL_ARGS) { term_word(p, "DragonFly"); return(1); } /* ARGSUSED */ static int termp_ux_pre(DECL_ARGS) { term_word(p, "UNIX"); return(1); } /* ARGSUSED */ static int termp_fx_pre(DECL_ARGS) { term_word(p, "FreeBSD"); return(1); } /* ARGSUSED */ static int termp_nx_pre(DECL_ARGS) { term_word(p, "NetBSD"); return(1); } /* ARGSUSED */ static int termp_sq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\(oq"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_sq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(aq"); } /* 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_BLOCK): term_newln(p); if (node->prev) term_vspace(p); break; case (MDOC_HEAD): TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); p->offset = HALFINDENT; break; default: break; } return(1); } /* ARGSUSED */ static void termp_ss_post(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): term_newln(p); p->offset = INDENT; break; default: break; } } /* ARGSUSED */ static int termp_pa_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]); return(1); } /* ARGSUSED */ static int termp_em_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); return(1); } /* ARGSUSED */ static int termp_cd_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); term_newln(p); return(1); } /* ARGSUSED */ static int termp_cm_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); return(1); } /* ARGSUSED */ static int termp_ic_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); return(1); } /* ARGSUSED */ static int termp_in_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); term_word(p, "#include"); term_word(p, "<"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_in_post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; term_word(p, ">"); term_newln(p); if (SEC_SYNOPSIS != node->sec) return; if (node->next && MDOC_In != node->next->tok) term_vspace(p); } /* ARGSUSED */ static int termp_at_pre(DECL_ARGS) { const char *att; att = NULL; if (node->child) att = mdoc_a2att(node->child->string); if (NULL == att) att = "AT&T UNIX"; term_word(p, att); return(0); } /* ARGSUSED */ static int termp_brq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\(lC"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_brq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(rC"); } /* ARGSUSED */ static int termp_bq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\(lB"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_bq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, "\\(rB"); } /* ARGSUSED */ static int termp_pq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); term_word(p, "\\&("); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_pq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; term_word(p, ")"); } /* ARGSUSED */ static int termp_fo_pre(DECL_ARGS) { const struct mdoc_node *n; if (MDOC_BODY == node->type) { term_word(p, "("); p->flags |= TERMP_NOSPACE; return(1); } else if (MDOC_HEAD != node->type) return(1); /* XXX - groff shows only first parameter */ p->flags |= ttypes[TTYPE_FUNC_NAME]; for (n = node->child; n; n = n->next) { if (MDOC_TEXT != n->type) errx(1, "expected text line argument"); term_word(p, n->string); } p->flags &= ~ttypes[TTYPE_FUNC_NAME]; return(0); } /* ARGSUSED */ static void termp_fo_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; term_word(p, ")"); p->flags |= TERMP_NOSPACE; term_word(p, ";"); term_newln(p); } /* ARGSUSED */ static int termp_bf_pre(DECL_ARGS) { const struct mdoc_node *n; if (MDOC_HEAD == node->type) { return(0); } else if (MDOC_BLOCK != node->type) return(1); if (NULL == (n = node->head->child)) { if (arg_hasattr(MDOC_Emphasis, node)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); else if (arg_hasattr(MDOC_Symbolic, node)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); return(1); } if (MDOC_TEXT != n->type) errx(1, "expected text line arguments"); if (0 == strcmp("Em", n->string)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); else if (0 == strcmp("Sy", n->string)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); return(1); } /* ARGSUSED */ static int termp_sy_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); return(1); } /* ARGSUSED */ static int termp_ms_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); return(1); } /* ARGSUSED */ static int termp_sm_pre(DECL_ARGS) { if (NULL == node->child || MDOC_TEXT != node->child->type) errx(1, "expected boolean line argument"); if (0 == strcmp("on", node->child->string)) { p->flags &= ~TERMP_NONOSPACE; p->flags &= ~TERMP_NOSPACE; } else p->flags |= TERMP_NONOSPACE; return(0); } /* ARGSUSED */ static int termp_ap_pre(DECL_ARGS) { p->flags |= TERMP_NOSPACE; term_word(p, "\\(aq"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp__j_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]); return(1); } /* ARGSUSED */ static int termp__t_pre(DECL_ARGS) { term_word(p, "\""); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp__t_post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; term_word(p, "\""); termp____post(p, pair, meta, node); } /* ARGSUSED */ static void termp____post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; term_word(p, node->next ? "," : "."); } /* ARGSUSED */ static int termp_lk_pre(DECL_ARGS) { const struct mdoc_node *n; if (NULL == (n = node->child)) errx(1, "expected line argument"); p->flags |= ttypes[TTYPE_LINK_ANCHOR]; term_word(p, n->string); p->flags &= ~ttypes[TTYPE_LINK_ANCHOR]; p->flags |= TERMP_NOSPACE; term_word(p, ":"); p->flags |= ttypes[TTYPE_LINK_TEXT]; for ( ; n; n = n->next) { term_word(p, n->string); } p->flags &= ~ttypes[TTYPE_LINK_TEXT]; return(0); } /* ARGSUSED */ static int termp_mt_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]); return(1); }