=================================================================== RCS file: /cvs/mandoc/mdoc_term.c,v retrieving revision 1.158 retrieving revision 1.287 diff -u -p -r1.158 -r1.287 --- mandoc/mdoc_term.c 2010/06/26 15:36:37 1.158 +++ mandoc/mdoc_term.c 2014/10/28 17:36:19 1.287 @@ -1,6 +1,8 @@ -/* $Id: mdoc_term.c,v 1.158 2010/06/26 15:36:37 kristaps Exp $ */ +/* $Id: mdoc_term.c,v 1.287 2014/10/28 17:36:19 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze + * Copyright (c) 2013 Franco Fichtner * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,9 +16,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include @@ -28,16 +28,12 @@ #include #include "mandoc.h" +#include "mandoc_aux.h" #include "out.h" #include "term.h" -#include "regs.h" #include "mdoc.h" -#include "chars.h" #include "main.h" -#define INDENT 5 -#define HALFINDENT 3 - struct termpair { struct termpair *ppair; int count; @@ -45,8 +41,8 @@ struct termpair { #define DECL_ARGS struct termp *p, \ struct termpair *pair, \ - const struct mdoc_meta *m, \ - const struct mdoc_node *n + const struct mdoc_meta *meta, \ + struct mdoc_node *n struct termact { int (*pre)(DECL_ARGS); @@ -57,56 +53,49 @@ static size_t a2width(const struct termp *, const ch static size_t a2height(const struct termp *, const char *); static size_t a2offs(const struct termp *, const char *); -static int arg_hasattr(int, const struct mdoc_node *); -static int arg_getattr(int, const struct mdoc_node *); static void print_bvspace(struct termp *, const struct mdoc_node *, const struct mdoc_node *); -static void print_mdoc_node(DECL_ARGS); +static void print_mdoc_node(DECL_ARGS); static void print_mdoc_nodelist(DECL_ARGS); static void print_mdoc_head(struct termp *, const void *); static void print_mdoc_foot(struct termp *, const void *); -static void synopsis_pre(struct termp *, +static void synopsis_pre(struct termp *, const struct mdoc_node *); static void termp____post(DECL_ARGS); -static void termp_an_post(DECL_ARGS); -static void termp_aq_post(DECL_ARGS); +static void termp__t_post(DECL_ARGS); static void termp_bd_post(DECL_ARGS); +static void termp_bk_post(DECL_ARGS); static void termp_bl_post(DECL_ARGS); -static void termp_bq_post(DECL_ARGS); -static void termp_brq_post(DECL_ARGS); -static void termp_bx_post(DECL_ARGS); -static void termp_d1_post(DECL_ARGS); -static void termp_dq_post(DECL_ARGS); -static int termp_fd_pre(DECL_ARGS); +static void termp_fd_post(DECL_ARGS); static void termp_fo_post(DECL_ARGS); static void termp_in_post(DECL_ARGS); static void termp_it_post(DECL_ARGS); static void termp_lb_post(DECL_ARGS); -static void termp_op_post(DECL_ARGS); +static void termp_nm_post(DECL_ARGS); static void termp_pf_post(DECL_ARGS); -static void termp_pq_post(DECL_ARGS); -static void termp_qq_post(DECL_ARGS); +static void termp_quote_post(DECL_ARGS); static void termp_sh_post(DECL_ARGS); -static void termp_sq_post(DECL_ARGS); static void termp_ss_post(DECL_ARGS); +static int termp__a_pre(DECL_ARGS); +static int termp__t_pre(DECL_ARGS); static int termp_an_pre(DECL_ARGS); static int termp_ap_pre(DECL_ARGS); -static int termp_aq_pre(DECL_ARGS); static int termp_bd_pre(DECL_ARGS); static int termp_bf_pre(DECL_ARGS); +static int termp_bk_pre(DECL_ARGS); static int termp_bl_pre(DECL_ARGS); static int termp_bold_pre(DECL_ARGS); -static int termp_bq_pre(DECL_ARGS); -static int termp_brq_pre(DECL_ARGS); static int termp_bt_pre(DECL_ARGS); +static int termp_bx_pre(DECL_ARGS); static int termp_cd_pre(DECL_ARGS); static int termp_d1_pre(DECL_ARGS); -static int termp_dq_pre(DECL_ARGS); +static int termp_es_pre(DECL_ARGS); static int termp_ex_pre(DECL_ARGS); static int termp_fa_pre(DECL_ARGS); +static int termp_fd_pre(DECL_ARGS); static int termp_fl_pre(DECL_ARGS); static int termp_fn_pre(DECL_ARGS); static int termp_fo_pre(DECL_ARGS); @@ -114,20 +103,17 @@ static int termp_ft_pre(DECL_ARGS); static int termp_in_pre(DECL_ARGS); static int termp_it_pre(DECL_ARGS); static int termp_li_pre(DECL_ARGS); +static int termp_ll_pre(DECL_ARGS); static int termp_lk_pre(DECL_ARGS); static int termp_nd_pre(DECL_ARGS); static int termp_nm_pre(DECL_ARGS); static int termp_ns_pre(DECL_ARGS); -static int termp_op_pre(DECL_ARGS); -static int termp_pf_pre(DECL_ARGS); -static int termp_pq_pre(DECL_ARGS); -static int termp_qq_pre(DECL_ARGS); +static int termp_quote_pre(DECL_ARGS); static int termp_rs_pre(DECL_ARGS); static int termp_rv_pre(DECL_ARGS); static int termp_sh_pre(DECL_ARGS); static int termp_sm_pre(DECL_ARGS); static int termp_sp_pre(DECL_ARGS); -static int termp_sq_pre(DECL_ARGS); static int termp_ss_pre(DECL_ARGS); static int termp_under_pre(DECL_ARGS); static int termp_ud_pre(DECL_ARGS); @@ -141,43 +127,43 @@ static const struct termact termacts[MDOC_MAX] = { { NULL, NULL }, /* Dt */ { NULL, NULL }, /* Os */ { termp_sh_pre, termp_sh_post }, /* Sh */ - { termp_ss_pre, termp_ss_post }, /* Ss */ - { termp_sp_pre, NULL }, /* Pp */ - { termp_d1_pre, termp_d1_post }, /* D1 */ - { termp_d1_pre, termp_d1_post }, /* Dl */ + { termp_ss_pre, termp_ss_post }, /* Ss */ + { termp_sp_pre, NULL }, /* Pp */ + { termp_d1_pre, termp_bl_post }, /* D1 */ + { termp_d1_pre, termp_bl_post }, /* Dl */ { termp_bd_pre, termp_bd_post }, /* Bd */ { NULL, NULL }, /* Ed */ { termp_bl_pre, termp_bl_post }, /* Bl */ { NULL, NULL }, /* El */ { termp_it_pre, termp_it_post }, /* It */ - { NULL, NULL }, /* Ad */ - { termp_an_pre, termp_an_post }, /* An */ + { termp_under_pre, NULL }, /* Ad */ + { termp_an_pre, NULL }, /* An */ { termp_under_pre, NULL }, /* Ar */ { termp_cd_pre, NULL }, /* Cd */ { termp_bold_pre, NULL }, /* Cm */ - { NULL, NULL }, /* Dv */ - { NULL, NULL }, /* Er */ - { NULL, NULL }, /* Ev */ + { NULL, NULL }, /* Dv */ + { NULL, NULL }, /* Er */ + { NULL, NULL }, /* Ev */ { termp_ex_pre, NULL }, /* Ex */ - { termp_fa_pre, NULL }, /* Fa */ - { termp_fd_pre, NULL }, /* Fd */ + { termp_fa_pre, NULL }, /* Fa */ + { termp_fd_pre, termp_fd_post }, /* Fd */ { termp_fl_pre, NULL }, /* Fl */ - { termp_fn_pre, NULL }, /* Fn */ - { termp_ft_pre, NULL }, /* Ft */ - { termp_bold_pre, NULL }, /* Ic */ - { termp_in_pre, termp_in_post }, /* In */ + { termp_fn_pre, NULL }, /* Fn */ + { termp_ft_pre, NULL }, /* Ft */ + { termp_bold_pre, NULL }, /* Ic */ + { termp_in_pre, termp_in_post }, /* In */ { termp_li_pre, NULL }, /* Li */ - { termp_nd_pre, NULL }, /* Nd */ - { termp_nm_pre, NULL }, /* Nm */ - { termp_op_pre, termp_op_post }, /* Op */ - { NULL, NULL }, /* Ot */ + { termp_nd_pre, NULL }, /* Nd */ + { termp_nm_pre, termp_nm_post }, /* Nm */ + { termp_quote_pre, termp_quote_post }, /* Op */ + { termp_ft_pre, NULL }, /* Ot */ { termp_under_pre, NULL }, /* Pa */ { termp_rv_pre, NULL }, /* Rv */ - { NULL, NULL }, /* St */ + { NULL, NULL }, /* St */ { termp_under_pre, NULL }, /* Va */ { termp_vt_pre, NULL }, /* Vt */ { termp_xr_pre, NULL }, /* Xr */ - { NULL, termp____post }, /* %A */ + { termp__a_pre, termp____post }, /* %A */ { termp_under_pre, termp____post }, /* %B */ { NULL, termp____post }, /* %D */ { termp_under_pre, termp____post }, /* %I */ @@ -186,45 +172,45 @@ static const struct termact termacts[MDOC_MAX] = { { NULL, termp____post }, /* %O */ { NULL, termp____post }, /* %P */ { NULL, termp____post }, /* %R */ - { termp_under_pre, termp____post }, /* %T */ + { 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_quote_pre, termp_quote_post }, /* Ao */ + { termp_quote_pre, termp_quote_post }, /* Aq */ { NULL, 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_bf_pre, NULL }, /* Bf */ + { termp_quote_pre, termp_quote_post }, /* Bo */ + { termp_quote_pre, termp_quote_post }, /* Bq */ { termp_xx_pre, NULL }, /* Bsx */ - { NULL, termp_bx_post }, /* Bx */ + { termp_bx_pre, NULL }, /* Bx */ { NULL, NULL }, /* Db */ { NULL, NULL }, /* Dc */ - { termp_dq_pre, termp_dq_post }, /* Do */ - { termp_dq_pre, termp_dq_post }, /* Dq */ + { termp_quote_pre, termp_quote_post }, /* Do */ + { termp_quote_pre, termp_quote_post }, /* Dq */ { NULL, NULL }, /* Ec */ /* FIXME: no space */ { NULL, NULL }, /* Ef */ - { termp_under_pre, NULL }, /* Em */ - { NULL, NULL }, /* Eo */ + { termp_under_pre, NULL }, /* Em */ + { termp_quote_pre, termp_quote_post }, /* Eo */ { termp_xx_pre, NULL }, /* Fx */ - { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */ + { termp_bold_pre, NULL }, /* Ms */ { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ { termp_xx_pre, NULL }, /* Nx */ { termp_xx_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, termp_pf_post }, /* Pf */ + { termp_quote_pre, termp_quote_post }, /* Po */ + { termp_quote_pre, termp_quote_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 */ + { termp_quote_pre, termp_quote_post }, /* Ql */ + { termp_quote_pre, termp_quote_post }, /* Qo */ + { termp_quote_pre, termp_quote_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_quote_pre, termp_quote_post }, /* So */ + { termp_quote_pre, termp_quote_post }, /* Sq */ { termp_sm_pre, NULL }, /* Sm */ { termp_under_pre, NULL }, /* Sx */ { termp_bold_pre, NULL }, /* Sy */ @@ -232,131 +218,200 @@ static const struct termact termacts[MDOC_MAX] = { { termp_xx_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 */ + { termp_fo_pre, termp_fo_post }, /* Fo */ + { NULL, NULL }, /* Fc */ + { termp_quote_pre, termp_quote_post }, /* Oo */ { NULL, NULL }, /* Oc */ - { NULL, NULL }, /* Bk */ + { termp_bk_pre, termp_bk_post }, /* Bk */ { NULL, NULL }, /* Ek */ { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ - { NULL, NULL }, /* Fr */ + { termp_under_pre, NULL }, /* Fr */ { termp_ud_pre, NULL }, /* Ud */ { NULL, termp_lb_post }, /* Lb */ - { termp_sp_pre, NULL }, /* Lp */ - { termp_lk_pre, NULL }, /* Lk */ - { termp_under_pre, NULL }, /* Mt */ - { termp_brq_pre, termp_brq_post }, /* Brq */ - { termp_brq_pre, termp_brq_post }, /* Bro */ - { NULL, NULL }, /* Brc */ - { NULL, termp____post }, /* %C */ - { NULL, NULL }, /* Es */ /* TODO */ - { NULL, NULL }, /* En */ /* TODO */ - { termp_xx_pre, NULL }, /* Dx */ - { NULL, termp____post }, /* %Q */ + { termp_sp_pre, NULL }, /* Lp */ + { termp_lk_pre, NULL }, /* Lk */ + { termp_under_pre, NULL }, /* Mt */ + { termp_quote_pre, termp_quote_post }, /* Brq */ + { termp_quote_pre, termp_quote_post }, /* Bro */ + { NULL, NULL }, /* Brc */ + { NULL, termp____post }, /* %C */ + { termp_es_pre, NULL }, /* Es */ + { termp_quote_pre, termp_quote_post }, /* En */ + { termp_xx_pre, NULL }, /* Dx */ + { NULL, termp____post }, /* %Q */ { termp_sp_pre, NULL }, /* br */ - { termp_sp_pre, NULL }, /* sp */ - { termp_under_pre, termp____post }, /* %U */ - { NULL, NULL }, /* Ta */ + { termp_sp_pre, NULL }, /* sp */ + { NULL, termp____post }, /* %U */ + { NULL, NULL }, /* Ta */ + { termp_ll_pre, NULL }, /* ll */ }; void terminal_mdoc(void *arg, const struct mdoc *mdoc) { - const struct mdoc_node *n; - const struct mdoc_meta *m; + const struct mdoc_meta *meta; + struct mdoc_node *n; struct termp *p; p = (struct termp *)arg; p->overstep = 0; - p->maxrmargin = p->defrmargin; + p->rmargin = p->maxrmargin = p->defrmargin; p->tabwidth = term_len(p, 5); - if (NULL == p->symtab) - switch (p->enc) { - case (TERMENC_ASCII): - p->symtab = chars_init(CHARS_ASCII); - break; - default: - abort(); - /* NOTREACHED */ - } + n = mdoc_node(mdoc)->child; + meta = mdoc_meta(mdoc); - n = mdoc_node(mdoc); - m = mdoc_meta(mdoc); - - term_begin(p, print_mdoc_head, print_mdoc_foot, m); - - if (n->child) - print_mdoc_nodelist(p, NULL, m, n->child); - - term_end(p); + if (p->synopsisonly) { + while (n != NULL) { + if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) { + if (n->child->next->child != NULL) + print_mdoc_nodelist(p, NULL, + meta, n->child->next->child); + term_newln(p); + break; + } + n = n->next; + } + } else { + if (p->defindent == 0) + p->defindent = 5; + term_begin(p, print_mdoc_head, print_mdoc_foot, meta); + if (n != NULL) { + if (n->tok != MDOC_Sh) + term_vspace(p); + print_mdoc_nodelist(p, NULL, meta, n); + } + term_end(p); + } } - static void print_mdoc_nodelist(DECL_ARGS) { - print_mdoc_node(p, pair, m, n); + print_mdoc_node(p, pair, meta, n); if (n->next) - print_mdoc_nodelist(p, pair, m, n->next); + print_mdoc_nodelist(p, pair, meta, n->next); } - -/* ARGSUSED */ static void print_mdoc_node(DECL_ARGS) { int chld; - const void *font; struct termpair npair; size_t offset, rmargin; chld = 1; offset = p->offset; rmargin = p->rmargin; - font = term_fontq(p); + n->prev_font = term_fontq(p); memset(&npair, 0, sizeof(struct termpair)); npair.ppair = pair; - if (MDOC_TEXT != n->type) { - if (termacts[n->tok].pre) - chld = (*termacts[n->tok].pre)(p, &npair, m, n); - } else - term_word(p, n->string); + /* + * Keeps only work until the end of a line. If a keep was + * invoked in a prior line, revert it to PREKEEP. + */ + if (TERMP_KEEP & p->flags) { + if (n->prev ? (n->prev->lastline != n->line) : + (n->parent && n->parent->line != n->line)) { + p->flags &= ~TERMP_KEEP; + p->flags |= TERMP_PREKEEP; + } + } + + /* + * After the keep flags have been set up, we may now + * produce output. Note that some pre-handlers do so. + */ + + switch (n->type) { + case MDOC_TEXT: + if (' ' == *n->string && MDOC_LINE & n->flags) + term_newln(p); + if (MDOC_DELIMC & n->flags) + p->flags |= TERMP_NOSPACE; + term_word(p, n->string); + if (MDOC_DELIMO & n->flags) + p->flags |= TERMP_NOSPACE; + break; + case MDOC_EQN: + if ( ! (n->flags & MDOC_LINE)) + p->flags |= TERMP_NOSPACE; + term_eqn(p, n->eqn); + if (n->next != NULL && ! (n->next->flags & MDOC_LINE)) + p->flags |= TERMP_NOSPACE; + break; + case MDOC_TBL: + term_tbl(p, n->span); + break; + default: + if (termacts[n->tok].pre && ENDBODY_NOT == n->end) + chld = (*termacts[n->tok].pre) + (p, &npair, meta, n); + break; + } + if (chld && n->child) - print_mdoc_nodelist(p, &npair, m, n->child); + print_mdoc_nodelist(p, &npair, meta, n->child); - term_fontpopq(p, font); + term_fontpopq(p, + (ENDBODY_NOT == n->end ? n : n->pending)->prev_font); - if (MDOC_TEXT != n->type) - if (termacts[n->tok].post) - (*termacts[n->tok].post)(p, &npair, m, n); + switch (n->type) { + case MDOC_TEXT: + break; + case MDOC_TBL: + break; + case MDOC_EQN: + break; + default: + if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags) + break; + (void)(*termacts[n->tok].post)(p, &npair, meta, n); + /* + * Explicit end tokens not only call the post + * handler, but also tell the respective block + * that it must not call the post handler again. + */ + if (ENDBODY_NOT != n->end) + n->pending->flags |= MDOC_ENDED; + + /* + * End of line terminating an implicit block + * while an explicit block is still open. + * Continue the explicit block without spacing. + */ + if (ENDBODY_NOSPACE == n->end) + p->flags |= TERMP_NOSPACE; + break; + } + if (MDOC_EOS & n->flags) p->flags |= TERMP_SENTENCE; - p->offset = offset; - p->rmargin = rmargin; + if (MDOC_ll != n->tok) { + p->offset = offset; + p->rmargin = rmargin; + } } - static void print_mdoc_foot(struct termp *p, const void *arg) { - char buf[DATESIZ], os[BUFSIZ]; - const struct mdoc_meta *m; + const struct mdoc_meta *meta; - m = (const struct mdoc_meta *)arg; + meta = (const struct mdoc_meta *)arg; term_fontrepl(p, TERMFONT_NONE); - /* + /* * 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: @@ -364,32 +419,31 @@ print_mdoc_foot(struct termp *p, const void *arg) * SYSTEM DATE SYSTEM */ - time2a(m->date, buf, DATESIZ); - strlcpy(os, m->os, BUFSIZ); - term_vspace(p); p->offset = 0; - p->rmargin = (p->maxrmargin - - term_strlen(p, buf) + term_len(p, 1)) / 2; + p->rmargin = (p->maxrmargin - + term_strlen(p, meta->date) + term_len(p, 1)) / 2; + p->trailspace = 1; p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; - term_word(p, os); + term_word(p, meta->os); term_flushln(p); p->offset = p->rmargin; - p->rmargin = p->maxrmargin - term_strlen(p, os); - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->rmargin = p->maxrmargin - term_strlen(p, meta->os); + p->flags |= TERMP_NOSPACE; - term_word(p, buf); + term_word(p, meta->date); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin; + p->trailspace = 0; p->flags &= ~TERMP_NOBREAK; - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->flags |= TERMP_NOSPACE; - term_word(p, os); + term_word(p, meta->os); term_flushln(p); p->offset = 0; @@ -397,18 +451,15 @@ print_mdoc_foot(struct termp *p, const void *arg) p->flags = 0; } - static void print_mdoc_head(struct termp *p, const void *arg) { - char buf[BUFSIZ], title[BUFSIZ]; - const struct mdoc_meta *m; + const struct mdoc_meta *meta; + char *volume, *title; + size_t vollen, titlen; - m = (const struct mdoc_meta *)arg; + meta = (const struct mdoc_meta *)arg; - p->rmargin = p->maxrmargin; - p->offset = 0; - /* * The header is strange. It has three components, which are * really two with the first duplicated. It goes like this: @@ -422,72 +473,83 @@ print_mdoc_head(struct termp *p, const void *arg) * switches on the manual section. */ - assert(m->vol); - strlcpy(buf, m->vol, BUFSIZ); + assert(meta->vol); + if (NULL == meta->arch) + volume = mandoc_strdup(meta->vol); + else + mandoc_asprintf(&volume, "%s (%s)", + meta->vol, meta->arch); + vollen = term_strlen(p, volume); - if (m->arch) { - strlcat(buf, " (", BUFSIZ); - strlcat(buf, m->arch, BUFSIZ); - strlcat(buf, ")", BUFSIZ); - } + if (NULL == meta->msec) + title = mandoc_strdup(meta->title); + else + mandoc_asprintf(&title, "%s(%s)", + meta->title, meta->msec); + titlen = term_strlen(p, title); - snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec); - - p->offset = 0; - p->rmargin = (p->maxrmargin - - term_strlen(p, buf) + term_len(p, 1)) / 2; p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; + p->trailspace = 1; + p->offset = 0; + p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ? + (p->maxrmargin - vollen + term_len(p, 1)) / 2 : + p->maxrmargin - vollen; term_word(p, title); term_flushln(p); + p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; - p->rmargin = p->maxrmargin - term_strlen(p, title); - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->rmargin = p->offset + vollen + titlen < p->maxrmargin ? + p->maxrmargin - titlen : p->maxrmargin; - term_word(p, buf); + term_word(p, volume); term_flushln(p); - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; p->flags &= ~TERMP_NOBREAK; - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->trailspace = 0; + if (p->rmargin + titlen <= p->maxrmargin) { + p->flags |= TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + term_word(p, title); + term_flushln(p); + } - term_word(p, title); - term_flushln(p); - + p->flags &= ~TERMP_NOSPACE; p->offset = 0; p->rmargin = p->maxrmargin; - p->flags &= ~TERMP_NOSPACE; + free(title); + free(volume); } - static size_t a2height(const struct termp *p, const char *v) { struct roffsu su; + assert(v); if ( ! a2roffsu(v, &su, SCALE_VS)) - SCALE_VS_INIT(&su, term_len(p, 1)); + SCALE_VS_INIT(&su, atoi(v)); return(term_vspan(p, &su)); } - static size_t a2width(const struct termp *p, const char *v) { struct roffsu su; assert(v); - if ( ! a2roffsu(v, &su, SCALE_MAX)) + if ( ! a2roffsu(v, &su, SCALE_MAX)) { SCALE_HS_INIT(&su, term_strlen(p, v)); + su.scale /= term_strlen(p, "0"); + } return(term_hspan(p, &su)); } - static size_t a2offs(const struct termp *p, const char *v) { @@ -498,65 +560,36 @@ a2offs(const struct termp *p, const char *v) else if (0 == strcmp(v, "left")) return(0); else if (0 == strcmp(v, "indent")) - return(term_len(p, INDENT + 1)); + return(term_len(p, p->defindent + 1)); else if (0 == strcmp(v, "indent-two")) - return(term_len(p, (INDENT + 1) * 2)); - else if ( ! a2roffsu(v, &su, SCALE_MAX)) + return(term_len(p, (p->defindent + 1) * 2)); + else if ( ! a2roffsu(v, &su, SCALE_MAX)) { SCALE_HS_INIT(&su, term_strlen(p, v)); + su.scale /= term_strlen(p, "0"); + } return(term_hspan(p, &su)); } - /* - * Return 1 if an argument has a particular argument value or 0 if it - * does not. See arg_getattr(). - */ -static int -arg_hasattr(int arg, const struct mdoc_node *n) -{ - - return(-1 != arg_getattr(arg, n)); -} - - -/* - * Get the index of an argument in a node's argument list or -1 if it - * does not exist. - */ -static int -arg_getattr(int v, const struct mdoc_node *n) -{ - int i; - - if (NULL == n->args) - return(0); - - for (i = 0; i < (int)n->args->argc; i++) - if (n->args->argv[i].arg == v) - return(i); - - return(-1); -} - - -/* * Determine how much space to print out before block elements of `It' * (and thus `Bl') and `Bd'. And then go ahead and print that space, * too. */ static void -print_bvspace(struct termp *p, - const struct mdoc_node *bl, - const struct mdoc_node *n) +print_bvspace(struct termp *p, + const struct mdoc_node *bl, + const struct mdoc_node *n) { const struct mdoc_node *nn; + assert(n); + term_newln(p); - if (MDOC_Bd == bl->tok && bl->data.Bd.comp) + if (MDOC_Bd == bl->tok && bl->norm->Bd.comp) return; - if (MDOC_Bl == bl->tok && bl->data.Bl.comp) + if (MDOC_Bl == bl->tok && bl->norm->Bl.comp) return; /* Do not vspace directly after Ss/Sh. */ @@ -575,13 +608,13 @@ print_bvspace(struct termp *p, /* A `-column' does not assert vspace within the list. */ - if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type) + if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type) if (n->prev && MDOC_It == n->prev->tok) return; /* A `-diag' without body does not vspace. */ - if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type) + if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type) if (n->prev && MDOC_It == n->prev->tok) { assert(n->prev->body); if (NULL == n->prev->body->child) @@ -592,41 +625,21 @@ print_bvspace(struct termp *p, } -/* ARGSUSED */ static int -termp_dq_pre(DECL_ARGS) +termp_ll_pre(DECL_ARGS) { - if (MDOC_BODY != n->type) - return(1); - - term_word(p, "\\(lq"); - p->flags |= TERMP_NOSPACE; - return(1); + term_setwidth(p, n->nchild ? n->child->string : NULL); + return(0); } - -/* ARGSUSED */ -static void -termp_dq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; - - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rq"); -} - - -/* ARGSUSED */ static int termp_it_pre(DECL_ARGS) { const struct mdoc_node *bl, *nn; - char buf[7]; - int i, col; - size_t width, offset, ncols, dcol; + char buf[24]; + int i; + size_t width, offset, ncols, dcol; enum mdoc_list type; if (MDOC_BLOCK == n->type) { @@ -635,9 +648,9 @@ termp_it_pre(DECL_ARGS) } bl = n->parent->parent->parent; - type = bl->data.Bl.type; + type = bl->norm->Bl.type; - /* + /* * First calculate width and offset. This is pretty easy unless * we're a -column list, in which case all prior columns must * be accounted for. @@ -645,16 +658,14 @@ termp_it_pre(DECL_ARGS) width = offset = 0; - if (bl->data.Bl.offs) - offset = a2offs(p, bl->data.Bl.offs); + if (bl->norm->Bl.offs) + offset = a2offs(p, bl->norm->Bl.offs); switch (type) { - case (LIST_column): + case LIST_column: if (MDOC_HEAD == n->type) break; - col = arg_getattr(MDOC_Column, bl); - /* * Imitate groff's column handling: * - For each earlier column, add its width. @@ -664,21 +675,20 @@ termp_it_pre(DECL_ARGS) * column. * - For more than 5 columns, add only one column. */ - ncols = bl->args->argv[col].sz; - /* LINTED */ - dcol = ncols < 5 ? term_len(p, 4) : - ncols == 5 ? term_len(p, 3) : term_len(p, 1); + ncols = bl->norm->Bl.ncols; + dcol = ncols < 5 ? term_len(p, 4) : + ncols == 5 ? term_len(p, 3) : term_len(p, 1); /* * Calculate the offset by applying all prior MDOC_BODY, * so we stop at the MDOC_HEAD (NULL == nn->prev). */ - for (i = 0, nn = n->prev; - nn->prev && i < (int)ncols; - nn = nn->prev, i++) - offset += dcol + a2width - (p, bl->args->argv[col].value[i]); + for (i = 0, nn = n->prev; + nn->prev && i < (int)ncols; + nn = nn->prev, i++) + offset += dcol + a2width(p, + bl->norm->Bl.cols[i]); /* * When exceeding the declared number of columns, leave @@ -693,48 +703,46 @@ termp_it_pre(DECL_ARGS) * Use the declared column widths, extended as explained * in the preceding paragraph. */ - width = a2width(p, bl->args->argv[col].value[i]) + dcol; + width = a2width(p, bl->norm->Bl.cols[i]) + dcol; break; default: - if (NULL == bl->data.Bl.width) + if (NULL == bl->norm->Bl.width) break; - /* + /* * Note: buffer the width by 2, which is groff's magic * number for buffering single arguments. See the above * handling for column for how this changes. */ - assert(bl->data.Bl.width); - width = a2width(p, bl->data.Bl.width) + term_len(p, 2); + assert(bl->norm->Bl.width); + width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); 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 (LIST_bullet): + case LIST_bullet: /* FALLTHROUGH */ - case (LIST_dash): + case LIST_dash: /* FALLTHROUGH */ - case (LIST_hyphen): - if (width < term_len(p, 4)) - width = term_len(p, 4); + case LIST_hyphen: + /* FALLTHROUGH */ + case LIST_enum: + if (width < term_len(p, 2)) + width = term_len(p, 2); break; - case (LIST_enum): - if (width < term_len(p, 5)) - width = term_len(p, 5); - break; - case (LIST_hang): + case LIST_hang: if (0 == width) width = term_len(p, 8); break; - case (LIST_column): + case LIST_column: /* FALLTHROUGH */ - case (LIST_tag): + case LIST_tag: if (0 == width) width = term_len(p, 10); break; @@ -742,7 +750,7 @@ termp_it_pre(DECL_ARGS) break; } - /* + /* * Whitespace control. Inset bodies need an initial space, * while diagonal bodies need two. */ @@ -750,12 +758,12 @@ termp_it_pre(DECL_ARGS) p->flags |= TERMP_NOSPACE; switch (type) { - case (LIST_diag): + case LIST_diag: if (MDOC_BODY == n->type) term_word(p, "\\ \\ "); break; - case (LIST_inset): - if (MDOC_BODY == n->type) + case LIST_inset: + if (MDOC_BODY == n->type && n->parent->head->nchild) term_word(p, "\\ "); break; default: @@ -765,7 +773,7 @@ termp_it_pre(DECL_ARGS) p->flags |= TERMP_NOSPACE; switch (type) { - case (LIST_diag): + case LIST_diag: if (MDOC_HEAD == n->type) term_fontpush(p, TERMFONT_BOLD); break; @@ -781,24 +789,25 @@ termp_it_pre(DECL_ARGS) */ switch (type) { - case (LIST_bullet): + case LIST_enum: + /* + * Weird special case. + * Very narrow enum lists actually hang. + */ + if (width == term_len(p, 2)) + p->flags |= TERMP_HANG; /* FALLTHROUGH */ - case (LIST_dash): + case LIST_bullet: /* FALLTHROUGH */ - case (LIST_enum): + case LIST_dash: /* FALLTHROUGH */ - case (LIST_hyphen): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; - else - p->flags |= TERMP_NOLPAD; + case LIST_hyphen: + if (MDOC_HEAD != n->type) + break; + p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; - case (LIST_hang): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; - else - p->flags |= TERMP_NOLPAD; - + case LIST_hang: if (MDOC_HEAD != n->type) break; @@ -808,48 +817,49 @@ termp_it_pre(DECL_ARGS) * the "overstep" effect in term_flushln() and treat * this as a `-ohang' list instead. */ - if (n->next->child && - (MDOC_Bl == n->next->child->tok || - MDOC_Bd == n->next->child->tok)) { - p->flags &= ~TERMP_NOBREAK; - p->flags &= ~TERMP_NOLPAD; - } else - p->flags |= TERMP_HANG; - break; - case (LIST_tag): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE; - else - p->flags |= TERMP_NOLPAD; + if (NULL != n->next && + NULL != n->next->child && + (MDOC_Bl == n->next->child->tok || + MDOC_Bd == n->next->child->tok)) + break; + p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG; + p->trailspace = 1; + break; + case LIST_tag: if (MDOC_HEAD != n->type) break; + + p->flags |= TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 2; + if (NULL == n->next || NULL == n->next->child) p->flags |= TERMP_DANGLE; break; - case (LIST_column): + case LIST_column: if (MDOC_HEAD == n->type) break; - if (NULL == n->next) + if (NULL == n->next) { p->flags &= ~TERMP_NOBREAK; - else + p->trailspace = 0; + } else { p->flags |= TERMP_NOBREAK; + p->trailspace = 1; + } - assert(n->prev); - if (MDOC_BODY == n->prev->type) - p->flags |= TERMP_NOLPAD; - break; - case (LIST_diag): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; + case LIST_diag: + if (MDOC_HEAD != n->type) + break; + p->flags |= TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 1; 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. @@ -858,36 +868,41 @@ termp_it_pre(DECL_ARGS) p->offset += offset; switch (type) { - case (LIST_hang): + case LIST_hang: /* * Same stipulation as above, regarding `-hang'. We * don't want to recalculate rmargin and offsets when * using `Bd' or `Bl' within `-hang' overstep lists. */ - if (MDOC_HEAD == n->type && n->next->child && - (MDOC_Bl == n->next->child->tok || - MDOC_Bd == n->next->child->tok)) + if (MDOC_HEAD == n->type && + NULL != n->next && + NULL != n->next->child && + (MDOC_Bl == n->next->child->tok || + MDOC_Bd == n->next->child->tok)) break; /* FALLTHROUGH */ - case (LIST_bullet): + case LIST_bullet: /* FALLTHROUGH */ - case (LIST_dash): + case LIST_dash: /* FALLTHROUGH */ - case (LIST_enum): + case LIST_enum: /* FALLTHROUGH */ - case (LIST_hyphen): + case LIST_hyphen: /* FALLTHROUGH */ - case (LIST_tag): + case LIST_tag: assert(width); if (MDOC_HEAD == n->type) p->rmargin = p->offset + width; - else + else { p->offset += width; + if (p->rmargin < p->offset) + p->rmargin = p->offset; + } break; - case (LIST_column): + case LIST_column: assert(width); p->rmargin = p->offset + width; - /* + /* * XXX - this behaviour is not documented: the * right-most column is filled to the right margin. */ @@ -900,53 +915,53 @@ termp_it_pre(DECL_ARGS) break; } - /* + /* * The dash, hyphen, bullet and enum lists all have a special - * HEAD character (temporarily bold, in some cases). + * HEAD character (temporarily bold, in some cases). */ if (MDOC_HEAD == n->type) switch (type) { - case (LIST_bullet): + case LIST_bullet: term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\[bu]"); term_fontpop(p); break; - case (LIST_dash): + case LIST_dash: /* FALLTHROUGH */ - case (LIST_hyphen): + case LIST_hyphen: term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\(hy"); term_fontpop(p); break; - case (LIST_enum): + case LIST_enum: (pair->ppair->ppair->count)++; - snprintf(buf, sizeof(buf), "%d.", - 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 (LIST_bullet): + case LIST_bullet: /* FALLTHROUGH */ - case (LIST_item): + case LIST_item: /* FALLTHROUGH */ - case (LIST_dash): + case LIST_dash: /* FALLTHROUGH */ - case (LIST_hyphen): + case LIST_hyphen: /* FALLTHROUGH */ - case (LIST_enum): + case LIST_enum: if (MDOC_HEAD == n->type) return(0); break; - case (LIST_column): + case LIST_column: if (MDOC_HEAD == n->type) return(0); break; @@ -957,8 +972,6 @@ termp_it_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_it_post(DECL_ARGS) { @@ -967,18 +980,18 @@ termp_it_post(DECL_ARGS) if (MDOC_BLOCK == n->type) return; - type = n->parent->parent->parent->data.Bl.type; + type = n->parent->parent->parent->norm->Bl.type; switch (type) { - case (LIST_item): + case LIST_item: /* FALLTHROUGH */ - case (LIST_diag): + case LIST_diag: /* FALLTHROUGH */ - case (LIST_inset): + case LIST_inset: if (MDOC_BODY == n->type) term_newln(p); break; - case (LIST_column): + case LIST_column: if (MDOC_BODY == n->type) term_flushln(p); break; @@ -987,38 +1000,85 @@ termp_it_post(DECL_ARGS) break; } - /* + /* * Now that our output is flushed, we can reset our tags. Since * only `It' sets these flags, we're free to assume that nobody * has munged them in the meanwhile. */ - p->flags &= ~TERMP_DANGLE; - p->flags &= ~TERMP_NOBREAK; - p->flags &= ~TERMP_TWOSPACE; - p->flags &= ~TERMP_NOLPAD; - p->flags &= ~TERMP_HANG; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | + TERMP_DANGLE | TERMP_HANG); + p->trailspace = 0; } - -/* ARGSUSED */ static int termp_nm_pre(DECL_ARGS) { - if (NULL == n->child && NULL == m->name) + if (MDOC_BLOCK == n->type) { + p->flags |= TERMP_PREKEEP; return(1); + } - synopsis_pre(p, n); + if (MDOC_BODY == n->type) { + if (NULL == n->child) + return(0); + p->flags |= TERMP_NOSPACE; + p->offset += term_len(p, 1) + + (NULL == n->prev->child ? + term_strlen(p, meta->name) : + MDOC_TEXT == n->prev->child->type ? + term_strlen(p, n->prev->child->string) : + term_len(p, 5)); + if (p->rmargin < p->offset) + p->rmargin = p->offset; + return(1); + } + if (NULL == n->child && NULL == meta->name) + return(0); + + if (MDOC_HEAD == n->type) + synopsis_pre(p, n->parent); + + if (MDOC_HEAD == n->type && + NULL != n->next && NULL != n->next->child) { + p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 1; + p->rmargin = p->offset + term_len(p, 1); + if (NULL == n->child) { + p->rmargin += term_strlen(p, meta->name); + } else if (MDOC_TEXT == n->child->type) { + p->rmargin += term_strlen(p, n->child->string); + if (n->child->next) + p->flags |= TERMP_HANG; + } else { + p->rmargin += term_len(p, 5); + p->flags |= TERMP_HANG; + } + } + term_fontpush(p, TERMFONT_BOLD); if (NULL == n->child) - term_word(p, m->name); + term_word(p, meta->name); return(1); } +static void +termp_nm_post(DECL_ARGS) +{ -/* ARGSUSED */ + if (MDOC_BLOCK == n->type) { + p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); + } else if (MDOC_HEAD == n->type && + NULL != n->next && NULL != n->next->child) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); + p->trailspace = 0; + } else if (MDOC_BODY == n->type && n->child) + term_flushln(p); +} + static int termp_fl_pre(DECL_ARGS) { @@ -1026,84 +1086,62 @@ termp_fl_pre(DECL_ARGS) term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\-"); - if (n->child) + if ( ! (n->nchild == 0 && + (n->next == NULL || + n->next->type == MDOC_TEXT || + n->next->flags & MDOC_LINE))) p->flags |= TERMP_NOSPACE; - else if (n->next && n->next->line == n->line) - p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static int -termp_an_pre(DECL_ARGS) +termp__a_pre(DECL_ARGS) { - if (NULL == n->child) - return(1); + if (n->prev && MDOC__A == n->prev->tok) + if (NULL == n->next || MDOC__A != n->next->tok) + term_word(p, "and"); - /* - * If not in the AUTHORS section, `An -split' will cause - * newlines to occur before the author name. If in the AUTHORS - * section, by default, the first `An' invocation is nosplit, - * then all subsequent ones, regardless of whether interspersed - * with other macros/text, are split. -split, in this case, - * will override the condition of the implied first -nosplit. - */ - - if (n->sec == SEC_AUTHORS) { - if ( ! (TERMP_ANPREC & p->flags)) { - if (TERMP_SPLIT & p->flags) - term_newln(p); - return(1); - } - if (TERMP_NOSPLIT & p->flags) - return(1); - term_newln(p); - return(1); - } - - if (TERMP_SPLIT & p->flags) - term_newln(p); - return(1); } - -/* ARGSUSED */ -static void -termp_an_post(DECL_ARGS) +static int +termp_an_pre(DECL_ARGS) { - if (n->child) { - if (SEC_AUTHORS == n->sec) - p->flags |= TERMP_ANPREC; - return; - } - - if (arg_hasattr(MDOC_Split, n)) { + if (n->norm->An.auth == AUTH_split) { p->flags &= ~TERMP_NOSPLIT; p->flags |= TERMP_SPLIT; - } else { + return(0); + } + if (n->norm->An.auth == AUTH_nosplit) { p->flags &= ~TERMP_SPLIT; p->flags |= TERMP_NOSPLIT; + return(0); } -} + if (n->child == NULL) + return(0); + if (p->flags & TERMP_SPLIT) + term_newln(p); -/* ARGSUSED */ + if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT)) + p->flags |= TERMP_SPLIT; + + return(1); +} + static int termp_ns_pre(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; + if ( ! (MDOC_LINE & n->flags)) + p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static int termp_rs_pre(DECL_ARGS) { @@ -1115,82 +1153,93 @@ termp_rs_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_rv_pre(DECL_ARGS) { - const struct mdoc_node *nn; + int nchild; term_newln(p); - term_word(p, "The"); - for (nn = n->child; nn; nn = nn->next) { - term_fontpush(p, TERMFONT_BOLD); - term_word(p, nn->string); - term_fontpop(p); - p->flags |= TERMP_NOSPACE; - if (nn->next && NULL == nn->next->next) - term_word(p, "(), and"); - else if (nn->next) - term_word(p, "(),"); - else + nchild = n->nchild; + if (nchild > 0) { + term_word(p, "The"); + + for (n = n->child; n; n = n->next) { + term_fontpush(p, TERMFONT_BOLD); + term_word(p, n->string); + term_fontpop(p); + + p->flags |= TERMP_NOSPACE; term_word(p, "()"); - } - if (n->child && n->child->next) - term_word(p, "functions return"); - else - term_word(p, "function returns"); + if (n->next == NULL) + continue; - term_word(p, "the value 0 if successful; otherwise the value " - "-1 is returned and the global variable"); + if (nchild > 2) { + p->flags |= TERMP_NOSPACE; + term_word(p, ","); + } + if (n->next->next == NULL) + term_word(p, "and"); + } + if (nchild > 1) + term_word(p, "functions return"); + else + term_word(p, "function returns"); + + term_word(p, "the value\\~0 if successful;"); + } else + term_word(p, "Upon successful completion," + " the value\\~0 is returned;"); + + term_word(p, "otherwise the value\\~\\-1 is returned" + " and the global variable"); + term_fontpush(p, TERMFONT_UNDER); term_word(p, "errno"); term_fontpop(p); - term_word(p, "is set to indicate the error."); + term_word(p, "is set to indicate the error."); p->flags |= TERMP_SENTENCE; return(0); } - -/* ARGSUSED */ static int termp_ex_pre(DECL_ARGS) { - const struct mdoc_node *nn; + int nchild; + term_newln(p); term_word(p, "The"); - for (nn = n->child; nn; nn = nn->next) { + nchild = n->nchild; + for (n = n->child; n; n = n->next) { term_fontpush(p, TERMFONT_BOLD); - term_word(p, nn->string); + term_word(p, n->string); term_fontpop(p); - p->flags |= TERMP_NOSPACE; - if (nn->next && NULL == nn->next->next) - term_word(p, ", and"); - else if (nn->next) + + if (nchild > 2 && n->next) { + p->flags |= TERMP_NOSPACE; term_word(p, ","); - else - p->flags &= ~TERMP_NOSPACE; + } + + if (n->next && NULL == n->next->next) + term_word(p, "and"); } - if (n->child && n->child->next) - term_word(p, "utilities exit"); + if (nchild > 1) + term_word(p, "utilities exit\\~0"); else - term_word(p, "utility exits"); + term_word(p, "utility exits\\~0"); - term_word(p, "0 on success, and >0 if an error occurs."); - p->flags |= TERMP_SENTENCE; + term_word(p, "on success, and\\~>0 if an error occurs."); + p->flags |= TERMP_SENTENCE; return(0); } - -/* ARGSUSED */ static int termp_nd_pre(DECL_ARGS) { @@ -1206,8 +1255,6 @@ termp_nd_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_bl_pre(DECL_ARGS) { @@ -1215,8 +1262,6 @@ termp_bl_pre(DECL_ARGS) return(MDOC_HEAD != n->type); } - -/* ARGSUSED */ static void termp_bl_post(DECL_ARGS) { @@ -1225,45 +1270,32 @@ termp_bl_post(DECL_ARGS) term_newln(p); } - -/* ARGSUSED */ -static void -termp_op_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); -} - - -/* ARGSUSED */ static int termp_xr_pre(DECL_ARGS) { - const struct mdoc_node *nn; - if (NULL == n->child) + if (NULL == (n = n->child)) return(0); - assert(MDOC_TEXT == n->child->type); - nn = n->child; + assert(MDOC_TEXT == n->type); + term_word(p, n->string); - term_word(p, nn->string); - if (NULL == (nn = nn->next)) + if (NULL == (n = n->next)) return(0); + p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; - term_word(p, nn->string); + + assert(MDOC_TEXT == n->type); + term_word(p, n->string); + p->flags |= TERMP_NOSPACE; term_word(p, ")"); return(0); } - /* * This decides how to assert whitespace before any of the SYNOPSIS set * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain @@ -1272,11 +1304,11 @@ termp_xr_pre(DECL_ARGS) static void synopsis_pre(struct termp *p, const struct mdoc_node *n) { - /* + /* * Obviously, if we're not in a SYNOPSIS or no prior macros * exist, do nothing. */ - if (NULL == n->prev || SEC_SYNOPSIS != n->sec) + if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags)) return; /* @@ -1284,10 +1316,10 @@ synopsis_pre(struct termp *p, const struct mdoc_node * * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which * case we soldier on. */ - if (n->prev->tok == n->tok && - MDOC_Ft != n->tok && - MDOC_Fo != n->tok && - MDOC_Fn != n->tok) { + if (n->prev->tok == n->tok && + MDOC_Ft != n->tok && + MDOC_Fo != n->tok && + MDOC_Fn != n->tok) { term_newln(p); return; } @@ -1298,18 +1330,18 @@ synopsis_pre(struct termp *p, const struct mdoc_node * * vertical space, else only newline and move on. */ switch (n->prev->tok) { - case (MDOC_Fd): + case MDOC_Fd: /* FALLTHROUGH */ - case (MDOC_Fn): + case MDOC_Fn: /* FALLTHROUGH */ - case (MDOC_Fo): + case MDOC_Fo: /* FALLTHROUGH */ - case (MDOC_In): + case MDOC_In: /* FALLTHROUGH */ - case (MDOC_Vt): + case MDOC_Vt: term_vspace(p); break; - case (MDOC_Ft): + case MDOC_Ft: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) { term_vspace(p); break; @@ -1321,25 +1353,22 @@ synopsis_pre(struct termp *p, const struct mdoc_node * } } - static int termp_vt_pre(DECL_ARGS) { if (MDOC_ELEM == n->type) { synopsis_pre(p, n); - return(termp_under_pre(p, pair, m, n)); + return(termp_under_pre(p, pair, meta, n)); } else if (MDOC_BLOCK == n->type) { synopsis_pre(p, n); return(1); } else if (MDOC_HEAD == n->type) return(0); - return(termp_under_pre(p, pair, m, n)); + return(termp_under_pre(p, pair, meta, n)); } - -/* ARGSUSED */ static int termp_bold_pre(DECL_ARGS) { @@ -1348,18 +1377,21 @@ termp_bold_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_fd_pre(DECL_ARGS) { synopsis_pre(p, n); - return(termp_bold_pre(p, pair, m, n)); + return(termp_bold_pre(p, pair, meta, n)); } +static void +termp_fd_post(DECL_ARGS) +{ -/* ARGSUSED */ + term_newln(p); +} + static int termp_sh_pre(DECL_ARGS) { @@ -1367,17 +1399,19 @@ termp_sh_pre(DECL_ARGS) /* No vspace between consecutive `Sh' calls. */ switch (n->type) { - case (MDOC_BLOCK): + case MDOC_BLOCK: if (n->prev && MDOC_Sh == n->prev->tok) if (NULL == n->prev->body->child) break; term_vspace(p); break; - case (MDOC_HEAD): + case MDOC_HEAD: term_fontpush(p, TERMFONT_BOLD); break; - case (MDOC_BODY): - p->offset = term_len(p, INDENT); + case MDOC_BODY: + p->offset = term_len(p, p->defindent); + if (SEC_AUTHORS == n->sec) + p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT); break; default: break; @@ -1385,17 +1419,15 @@ termp_sh_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_sh_post(DECL_ARGS) { switch (n->type) { - case (MDOC_HEAD): + case MDOC_HEAD: term_newln(p); break; - case (MDOC_BODY): + case MDOC_BODY: term_newln(p); p->offset = 0; break; @@ -1404,26 +1436,7 @@ termp_sh_post(DECL_ARGS) } } - -/* ARGSUSED */ static int -termp_op_pre(DECL_ARGS) -{ - - switch (n->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) { @@ -1432,8 +1445,6 @@ termp_bt_pre(DECL_ARGS) return(0); } - -/* ARGSUSED */ static void termp_lb_post(DECL_ARGS) { @@ -1442,8 +1453,6 @@ termp_lb_post(DECL_ARGS) term_newln(p); } - -/* ARGSUSED */ static int termp_ud_pre(DECL_ARGS) { @@ -1453,8 +1462,6 @@ termp_ud_pre(DECL_ARGS) return(0); } - -/* ARGSUSED */ static int termp_d1_pre(DECL_ARGS) { @@ -1462,49 +1469,11 @@ termp_d1_pre(DECL_ARGS) if (MDOC_BLOCK != n->type) return(1); term_newln(p); - p->offset += term_len(p, (INDENT + 1)); + p->offset += term_len(p, p->defindent + 1); return(1); } - -/* ARGSUSED */ -static void -termp_d1_post(DECL_ARGS) -{ - - if (MDOC_BLOCK != n->type) - return; - term_newln(p); -} - - -/* ARGSUSED */ static int -termp_aq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return(1); - term_word(p, "\\(la"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_aq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(ra"); -} - - -/* ARGSUSED */ -static int termp_ft_pre(DECL_ARGS) { @@ -1514,41 +1483,67 @@ termp_ft_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_fn_pre(DECL_ARGS) { - const struct mdoc_node *nn; + size_t rmargin = 0; + int pretty; + pretty = MDOC_SYNPRETTY & n->flags; + synopsis_pre(p, n); + if (NULL == (n = n->child)) + return(0); + + if (pretty) { + rmargin = p->rmargin; + p->rmargin = p->offset + term_len(p, 4); + p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG; + } + + assert(MDOC_TEXT == n->type); term_fontpush(p, TERMFONT_BOLD); - term_word(p, n->child->string); + term_word(p, n->string); term_fontpop(p); + if (pretty) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); + p->offset = p->rmargin; + p->rmargin = rmargin; + } + p->flags |= TERMP_NOSPACE; term_word(p, "("); + p->flags |= TERMP_NOSPACE; - for (nn = n->child->next; nn; nn = nn->next) { + for (n = n->next; n; n = n->next) { + assert(MDOC_TEXT == n->type); term_fontpush(p, TERMFONT_UNDER); - term_word(p, nn->string); + if (pretty) + p->flags |= TERMP_NBRWORD; + term_word(p, n->string); term_fontpop(p); - if (nn->next) + if (n->next) { + p->flags |= TERMP_NOSPACE; term_word(p, ","); + } } + p->flags |= TERMP_NOSPACE; term_word(p, ")"); - if (SEC_SYNOPSIS == n->sec) + if (pretty) { + p->flags |= TERMP_NOSPACE; term_word(p, ";"); + term_flushln(p); + } return(0); } - -/* ARGSUSED */ static int termp_fa_pre(DECL_ARGS) { @@ -1561,27 +1556,24 @@ termp_fa_pre(DECL_ARGS) for (nn = n->child; nn; nn = nn->next) { term_fontpush(p, TERMFONT_UNDER); + p->flags |= TERMP_NBRWORD; term_word(p, nn->string); term_fontpop(p); - if (nn->next) + if (nn->next || (n->next && n->next->tok == MDOC_Fa)) { + p->flags |= TERMP_NOSPACE; term_word(p, ","); + } } - if (n->child && n->next && n->next->tok == MDOC_Fa) - term_word(p, ","); - return(0); } - -/* ARGSUSED */ static int termp_bd_pre(DECL_ARGS) { - size_t tabwidth; - size_t rm, rmax; - const struct mdoc_node *nn; + size_t tabwidth, lm, len, rm, rmax; + struct mdoc_node *nn; if (MDOC_BLOCK == n->type) { print_bvspace(p, n, n); @@ -1589,8 +1581,8 @@ termp_bd_pre(DECL_ARGS) } else if (MDOC_HEAD == n->type) return(0); - if (n->data.Bd.offs) - p->offset += a2offs(p, n->data.Bd.offs); + if (n->norm->Bd.offs) + p->offset += a2offs(p, n->norm->Bd.offs); /* * If -ragged or -filled are specified, the block does nothing @@ -1599,24 +1591,62 @@ termp_bd_pre(DECL_ARGS) * for macro lines, a newline is appended to the line. Blank * lines are allowed. */ - - if (DISP_literal != n->data.Bd.type && - DISP_unfilled != n->data.Bd.type) + + if (DISP_literal != n->norm->Bd.type && + DISP_unfilled != n->norm->Bd.type && + DISP_centered != n->norm->Bd.type) return(1); tabwidth = p->tabwidth; - p->tabwidth = term_len(p, 8); + if (DISP_literal == n->norm->Bd.type) + p->tabwidth = term_len(p, 8); + + lm = p->offset; rm = p->rmargin; rmax = p->maxrmargin; p->rmargin = p->maxrmargin = TERM_MAXMARGIN; for (nn = n->child; nn; nn = nn->next) { + if (DISP_centered == n->norm->Bd.type) { + if (MDOC_TEXT == nn->type) { + len = term_strlen(p, nn->string); + p->offset = len >= rm ? 0 : + lm + len >= rm ? rm - len : + (lm + rm - len) / 2; + } else + p->offset = lm; + } + print_mdoc_node(p, pair, meta, nn); + /* + * If the printed node flushes its own line, then we + * needn't do it here as well. This is hacky, but the + * notion of selective eoln whitespace is pretty dumb + * anyway, so don't sweat it. + */ + switch (nn->tok) { + case MDOC_Sm: + /* FALLTHROUGH */ + case MDOC_br: + /* FALLTHROUGH */ + case MDOC_sp: + /* FALLTHROUGH */ + case MDOC_Bl: + /* FALLTHROUGH */ + case MDOC_D1: + /* FALLTHROUGH */ + case MDOC_Dl: + /* FALLTHROUGH */ + case MDOC_Lp: + /* FALLTHROUGH */ + case MDOC_Pp: + continue; + default: + break; + } + if (nn->next && nn->next->line == nn->line) + continue; + term_flushln(p); p->flags |= TERMP_NOSPACE; - print_mdoc_node(p, pair, m, nn); - if (NULL == nn->prev || - nn->prev->line < nn->line || - NULL == nn->next) - term_flushln(p); } p->tabwidth = tabwidth; @@ -1625,21 +1655,19 @@ termp_bd_pre(DECL_ARGS) return(0); } - -/* ARGSUSED */ static void termp_bd_post(DECL_ARGS) { size_t rm, rmax; - if (MDOC_BODY != n->type) + if (MDOC_BODY != n->type) return; rm = p->rmargin; rmax = p->maxrmargin; - if (DISP_literal == n->data.Bd.type || - DISP_unfilled == n->data.Bd.type) + if (DISP_literal == n->norm->Bd.type || + DISP_unfilled == n->norm->Bd.type) p->rmargin = p->maxrmargin = TERM_MAXMARGIN; p->flags |= TERMP_NOSPACE; @@ -1649,139 +1677,94 @@ termp_bd_post(DECL_ARGS) p->maxrmargin = rmax; } - -/* ARGSUSED */ static int -termp_qq_pre(DECL_ARGS) +termp_bx_pre(DECL_ARGS) { - if (MDOC_BODY != n->type) - return(1); - term_word(p, "\""); - p->flags |= TERMP_NOSPACE; - return(1); -} + if (NULL != (n = n->child)) { + term_word(p, n->string); + p->flags |= TERMP_NOSPACE; + term_word(p, "BSD"); + } else { + term_word(p, "BSD"); + return(0); + } + if (NULL != (n = n->next)) { + p->flags |= TERMP_NOSPACE; + term_word(p, "-"); + p->flags |= TERMP_NOSPACE; + term_word(p, n->string); + } -/* ARGSUSED */ -static void -termp_qq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\""); + return(0); } - -/* ARGSUSED */ -static void -termp_bx_post(DECL_ARGS) -{ - - if (n->child) - p->flags |= TERMP_NOSPACE; - term_word(p, "BSD"); -} - - -/* ARGSUSED */ static int termp_xx_pre(DECL_ARGS) { const char *pp; + int flags; pp = NULL; switch (n->tok) { - case (MDOC_Bsx): - pp = "BSDI BSD/OS"; + case MDOC_Bsx: + pp = "BSD/OS"; break; - case (MDOC_Dx): + case MDOC_Dx: pp = "DragonFly"; break; - case (MDOC_Fx): + case MDOC_Fx: pp = "FreeBSD"; break; - case (MDOC_Nx): + case MDOC_Nx: pp = "NetBSD"; break; - case (MDOC_Ox): + case MDOC_Ox: pp = "OpenBSD"; break; - case (MDOC_Ux): + case MDOC_Ux: pp = "UNIX"; break; default: - break; + abort(); + /* NOTREACHED */ } - assert(pp); term_word(p, pp); - return(1); + if (n->child) { + flags = p->flags; + p->flags |= TERMP_KEEP; + term_word(p, n->child->string); + p->flags = flags; + } + return(0); } - -/* ARGSUSED */ -static int -termp_sq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return(1); - term_word(p, "\\(oq"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ static void -termp_sq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->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 (n->type) { - case (MDOC_BLOCK): + case MDOC_BLOCK: term_newln(p); if (n->prev) term_vspace(p); break; - case (MDOC_HEAD): + case MDOC_HEAD: term_fontpush(p, TERMFONT_BOLD); - p->offset = term_len(p, HALFINDENT); + p->offset = term_len(p, (p->defindent+1)/2); break; + case MDOC_BODY: + p->offset = term_len(p, p->defindent); + break; default: break; } @@ -1789,18 +1772,14 @@ termp_ss_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_ss_post(DECL_ARGS) { - if (MDOC_HEAD == n->type) + if (n->type == MDOC_HEAD || n->type == MDOC_BODY) term_newln(p); } - -/* ARGSUSED */ static int termp_cd_pre(DECL_ARGS) { @@ -1810,15 +1789,13 @@ termp_cd_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_in_pre(DECL_ARGS) { synopsis_pre(p, n); - if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) { + if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) { term_fontpush(p, TERMFONT_BOLD); term_word(p, "#include"); term_word(p, "<"); @@ -1831,34 +1808,30 @@ termp_in_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_in_post(DECL_ARGS) { - if (SEC_SYNOPSIS == n->sec) + if (MDOC_SYNPRETTY & n->flags) term_fontpush(p, TERMFONT_BOLD); p->flags |= TERMP_NOSPACE; term_word(p, ">"); - if (SEC_SYNOPSIS == n->sec) + if (MDOC_SYNPRETTY & n->flags) term_fontpop(p); } - -/* ARGSUSED */ static int termp_sp_pre(DECL_ARGS) { size_t i, len; switch (n->tok) { - case (MDOC_sp): + case MDOC_sp: len = n->child ? a2height(p, n->child->string) : 1; break; - case (MDOC_br): + case MDOC_br: len = 0; break; default: @@ -1874,150 +1847,222 @@ termp_sp_pre(DECL_ARGS) return(0); } - -/* ARGSUSED */ static int -termp_brq_pre(DECL_ARGS) +termp_es_pre(DECL_ARGS) { - if (MDOC_BODY != n->type) - return(1); - term_word(p, "\\(lC"); - p->flags |= TERMP_NOSPACE; - return(1); + return(0); } - -/* ARGSUSED */ -static void -termp_brq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rC"); -} - - -/* ARGSUSED */ static int -termp_bq_pre(DECL_ARGS) +termp_quote_pre(DECL_ARGS) { - if (MDOC_BODY != n->type) + if (MDOC_BODY != n->type && MDOC_ELEM != n->type) return(1); - term_word(p, "\\(lB"); - p->flags |= TERMP_NOSPACE; - return(1); -} + switch (n->tok) { + case MDOC_Ao: + /* FALLTHROUGH */ + case MDOC_Aq: + term_word(p, "<"); + break; + case MDOC_Bro: + /* FALLTHROUGH */ + case MDOC_Brq: + term_word(p, "{"); + break; + case MDOC_Oo: + /* FALLTHROUGH */ + case MDOC_Op: + /* FALLTHROUGH */ + case MDOC_Bo: + /* FALLTHROUGH */ + case MDOC_Bq: + term_word(p, "["); + break; + case MDOC_Do: + /* FALLTHROUGH */ + case MDOC_Dq: + term_word(p, "\\(lq"); + break; + case MDOC_En: + if (NULL == n->norm->Es || + NULL == n->norm->Es->child) + return(1); + term_word(p, n->norm->Es->child->string); + break; + case MDOC_Eo: + break; + case MDOC_Po: + /* FALLTHROUGH */ + case MDOC_Pq: + term_word(p, "("); + break; + case MDOC__T: + /* FALLTHROUGH */ + case MDOC_Qo: + /* FALLTHROUGH */ + case MDOC_Qq: + term_word(p, "\""); + break; + case MDOC_Ql: + /* FALLTHROUGH */ + case MDOC_So: + /* FALLTHROUGH */ + case MDOC_Sq: + term_word(p, "\\(oq"); + break; + default: + abort(); + /* NOTREACHED */ + } -/* ARGSUSED */ -static void -termp_bq_post(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return; p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); -} - - -/* ARGSUSED */ -static int -termp_pq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != n->type) - return(1); - term_word(p, "\\&("); - p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static void -termp_pq_post(DECL_ARGS) +termp_quote_post(DECL_ARGS) { - if (MDOC_BODY != n->type) + if (MDOC_BODY != n->type && MDOC_ELEM != n->type) return; - term_word(p, ")"); -} + if (MDOC_En != n->tok) + p->flags |= TERMP_NOSPACE; -/* ARGSUSED */ + switch (n->tok) { + case MDOC_Ao: + /* FALLTHROUGH */ + case MDOC_Aq: + term_word(p, ">"); + break; + case MDOC_Bro: + /* FALLTHROUGH */ + case MDOC_Brq: + term_word(p, "}"); + break; + case MDOC_Oo: + /* FALLTHROUGH */ + case MDOC_Op: + /* FALLTHROUGH */ + case MDOC_Bo: + /* FALLTHROUGH */ + case MDOC_Bq: + term_word(p, "]"); + break; + case MDOC_Do: + /* FALLTHROUGH */ + case MDOC_Dq: + term_word(p, "\\(rq"); + break; + case MDOC_En: + if (NULL != n->norm->Es && + NULL != n->norm->Es->child && + NULL != n->norm->Es->child->next) { + p->flags |= TERMP_NOSPACE; + term_word(p, n->norm->Es->child->next->string); + } + break; + case MDOC_Eo: + break; + case MDOC_Po: + /* FALLTHROUGH */ + case MDOC_Pq: + term_word(p, ")"); + break; + case MDOC__T: + /* FALLTHROUGH */ + case MDOC_Qo: + /* FALLTHROUGH */ + case MDOC_Qq: + term_word(p, "\""); + break; + case MDOC_Ql: + /* FALLTHROUGH */ + case MDOC_So: + /* FALLTHROUGH */ + case MDOC_Sq: + term_word(p, "\\(cq"); + break; + default: + abort(); + /* NOTREACHED */ + } +} + static int termp_fo_pre(DECL_ARGS) { + size_t rmargin = 0; + int pretty; + pretty = MDOC_SYNPRETTY & n->flags; + if (MDOC_BLOCK == n->type) { synopsis_pre(p, n); return(1); } else if (MDOC_BODY == n->type) { + if (pretty) { + rmargin = p->rmargin; + p->rmargin = p->offset + term_len(p, 4); + p->flags |= TERMP_NOBREAK | TERMP_BRIND | + TERMP_HANG; + } p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; + if (pretty) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | + TERMP_HANG); + p->offset = p->rmargin; + p->rmargin = rmargin; + } return(1); - } + } + if (NULL == n->child) + return(0); + /* XXX: we drop non-initial arguments as per groff. */ - assert(n->child); assert(n->child->string); term_fontpush(p, TERMFONT_BOLD); term_word(p, n->child->string); return(0); } - -/* ARGSUSED */ static void termp_fo_post(DECL_ARGS) { - if (MDOC_BODY != n->type) + if (MDOC_BODY != n->type) return; p->flags |= TERMP_NOSPACE; term_word(p, ")"); - if (SEC_SYNOPSIS == n->sec) { + if (MDOC_SYNPRETTY & n->flags) { p->flags |= TERMP_NOSPACE; term_word(p, ";"); + term_flushln(p); } } - -/* ARGSUSED */ static int termp_bf_pre(DECL_ARGS) { - const struct mdoc_node *nn; if (MDOC_HEAD == n->type) return(0); - else if (MDOC_BLOCK != n->type) + else if (MDOC_BODY != n->type) return(1); - if (NULL == (nn = n->head->child)) { - if (arg_hasattr(MDOC_Emphasis, n)) - term_fontpush(p, TERMFONT_UNDER); - else if (arg_hasattr(MDOC_Symbolic, n)) - term_fontpush(p, TERMFONT_BOLD); - else - term_fontpush(p, TERMFONT_NONE); - - return(1); - } - - assert(MDOC_TEXT == nn->type); - if (0 == strcmp("Em", nn->string)) + if (FONT_Em == n->norm->Bf.font) term_fontpush(p, TERMFONT_UNDER); - else if (0 == strcmp("Sy", nn->string)) + else if (FONT_Sy == n->norm->Bf.font) term_fontpush(p, TERMFONT_BOLD); else term_fontpush(p, TERMFONT_NONE); @@ -2025,47 +2070,60 @@ termp_bf_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_sm_pre(DECL_ARGS) { - assert(n->child && MDOC_TEXT == n->child->type); - if (0 == strcmp("on", n->child->string)) + if (NULL == n->child) + p->flags ^= TERMP_NONOSPACE; + else if (0 == strcmp("on", n->child->string)) p->flags &= ~TERMP_NONOSPACE; else p->flags |= TERMP_NONOSPACE; + if (p->col && ! (TERMP_NONOSPACE & p->flags)) + p->flags &= ~TERMP_NOSPACE; + return(0); } - -/* ARGSUSED */ static int termp_ap_pre(DECL_ARGS) { p->flags |= TERMP_NOSPACE; - term_word(p, "\\(aq"); + term_word(p, "'"); p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static void termp____post(DECL_ARGS) { + /* + * Handle lists of authors. In general, print each followed by + * a comma. Don't print the comma if there are only two + * authors. + */ + if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok) + if (NULL == n->next->next || MDOC__A != n->next->next->tok) + if (NULL == n->prev || MDOC__A != n->prev->tok) + return; + /* TODO: %U. */ + if (NULL == n->parent || MDOC_Rs != n->parent->tok) + return; + p->flags |= TERMP_NOSPACE; - term_word(p, n->next ? "," : "."); + if (NULL == n->next) { + term_word(p, "."); + p->flags |= TERMP_SENTENCE; + } else + term_word(p, ","); } - -/* ARGSUSED */ static int termp_li_pre(DECL_ARGS) { @@ -2074,35 +2132,92 @@ termp_li_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int termp_lk_pre(DECL_ARGS) { - const struct mdoc_node *nn; + const struct mdoc_node *link, *descr; - term_fontpush(p, TERMFONT_UNDER); - nn = n->child; + if (NULL == (link = n->child)) + return(0); - if (NULL == nn->next) - return(1); + if (NULL != (descr = link->next)) { + term_fontpush(p, TERMFONT_UNDER); + while (NULL != descr) { + term_word(p, descr->string); + descr = descr->next; + } + p->flags |= TERMP_NOSPACE; + term_word(p, ":"); + term_fontpop(p); + } - term_word(p, nn->string); - term_fontpop(p); - - p->flags |= TERMP_NOSPACE; - term_word(p, ":"); - term_fontpush(p, TERMFONT_BOLD); - for (nn = nn->next; nn; nn = nn->next) - term_word(p, nn->string); + term_word(p, link->string); term_fontpop(p); return(0); } +static int +termp_bk_pre(DECL_ARGS) +{ -/* ARGSUSED */ + switch (n->type) { + case MDOC_BLOCK: + break; + case MDOC_HEAD: + return(0); + case MDOC_BODY: + if (n->parent->args || 0 == n->prev->nchild) + p->flags |= TERMP_PREKEEP; + break; + default: + abort(); + /* NOTREACHED */ + } + + return(1); +} + +static void +termp_bk_post(DECL_ARGS) +{ + + if (MDOC_BODY == n->type) + p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); +} + +static void +termp__t_post(DECL_ARGS) +{ + + /* + * If we're in an `Rs' and there's a journal present, then quote + * us instead of underlining us (for disambiguation). + */ + if (n->parent && MDOC_Rs == n->parent->tok && + n->parent->norm->Rs.quote_T) + termp_quote_post(p, pair, meta, n); + + termp____post(p, pair, meta, n); +} + +static int +termp__t_pre(DECL_ARGS) +{ + + /* + * If we're in an `Rs' and there's a journal present, then quote + * us instead of underlining us (for disambiguation). + */ + if (n->parent && MDOC_Rs == n->parent->tok && + n->parent->norm->Rs.quote_T) + return(termp_quote_pre(p, pair, meta, n)); + + term_fontpush(p, TERMFONT_UNDER); + return(1); +} + static int termp_under_pre(DECL_ARGS) {