=================================================================== RCS file: /cvs/mandoc/term.c,v retrieving revision 1.3 retrieving revision 1.60 diff -u -p -r1.3 -r1.60 --- mandoc/term.c 2009/02/21 14:56:58 1.3 +++ mandoc/term.c 2009/03/16 22:19:19 1.60 @@ -1,6 +1,6 @@ -/* $Id: term.c,v 1.3 2009/02/21 14:56:58 kristaps Exp $ */ +/* $Id: term.c,v 1.60 2009/03/16 22:19:19 kristaps Exp $ */ /* - * Copyright (c) 2008 Kristaps Dzonsons + * Copyright (c) 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 @@ -16,965 +16,1844 @@ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ +#include + #include #include -#include #include -#include #include +#include #include -#include -#include -#include "private.h" +#include "term.h" -enum termesc { - ESC_CLEAR, - ESC_BOLD, - ESC_UNDERLINE -}; +/* + * Performs actions on nodes of the abstract syntax tree. Both pre- and + * post-fix operations are defined here. + */ -struct termp { - size_t rmargin; - size_t maxrmargin; - size_t maxcols; - size_t offset; - size_t col; - int flags; -#define TERMP_BOLD (1 << 0) /* Embolden words. */ -#define TERMP_UNDERLINE (1 << 1) /* Underline words. */ -#define TERMP_NOSPACE (1 << 2) /* No space before words. */ -#define TERMP_NOLPAD (1 << 3) /* No left-padding. */ -#define TERMP_NOBREAK (1 << 4) /* No break after line */ - char *buf; -}; +/* FIXME: macro arguments can be escaped. */ -struct termact { - int (*pre)(struct termp *, - const struct mdoc_meta *, - const struct mdoc_node *); - int (*post)(struct termp *, - const struct mdoc_meta *, - const struct mdoc_node *); -}; +#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_TITLE 21 +#define TTYPE_NMAX 22 -static void termprint_r(struct termp *, - const struct mdoc_meta *, - const struct mdoc_node *); -static void termprint_header(struct termp *, - const struct mdoc_meta *); -static void termprint_footer(struct termp *, - const struct mdoc_meta *); +/* + * These define "styles" for element types, like command arguments or + * executable names. This is useful when multiple macros must decorate + * the same thing (like .Ex -std cmd and .Nm cmd). + */ -static int arg_hasattr(int, size_t, - const struct mdoc_arg *); -static int arg_getattr(int, size_t, - const struct mdoc_arg *); +/* TODO: abstract this into mdocterm.c. */ -static void newln(struct termp *); -static void vspace(struct termp *); -static void pword(struct termp *, const char *, size_t); -static void word(struct termp *, const char *); +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_TITLE */ +}; -#define decl_prepost(name, suffix) \ -static int name##_##suffix(struct termp *, \ - const struct mdoc_meta *, \ - const struct mdoc_node *) +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 *); -#define decl_pre(name) decl_prepost(name, pre) -#define decl_post(name) decl_prepost(name, post) +/* + * What follows describes prefix and postfix operations for the abstract + * syntax tree descent. + */ -decl_pre(termp_fl); -decl_pre(termp_it); -decl_pre(termp_nd); -decl_pre(termp_ns); -decl_pre(termp_op); -decl_pre(termp_pp); -decl_pre(termp_sh); +#define DECL_ARGS \ + struct termp *p, \ + struct termpair *pair, \ + const struct mdoc_meta *meta, \ + const struct mdoc_node *node -decl_post(termp_bl); -decl_post(termp_it); -decl_post(termp_op); -decl_post(termp_sh); +#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_pre(termp_bold); -decl_pre(termp_under); +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_post(termp_bold); -decl_post(termp_under); +DECL_PRE(termp__t); +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_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); -const struct termact termacts[MDOC_MAX] = { +DECL_POST(termp___); +DECL_POST(termp_bl); +DECL_POST(termp_bx); + +const struct termact __termacts[MDOC_MAX] = { { NULL, NULL }, /* \" */ { NULL, NULL }, /* Dd */ { NULL, NULL }, /* Dt */ { NULL, NULL }, /* Os */ { termp_sh_pre, termp_sh_post }, /* Sh */ - { NULL, NULL }, /* Ss */ + { termp_ss_pre, termp_ss_post }, /* Ss */ { termp_pp_pre, NULL }, /* Pp */ - { NULL, NULL }, /* D1 */ - { NULL, NULL }, /* Dl */ - { NULL, NULL }, /* Bd */ + { 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_under_pre, termp_under_post }, /* Ar */ - { NULL, NULL }, /* Cd */ - { NULL, NULL }, /* Cm */ + { termp_ar_pre, NULL }, /* Ar */ + { termp_cd_pre, NULL }, /* Cd */ + { termp_cm_pre, NULL }, /* Cm */ { NULL, NULL }, /* Dv */ { NULL, NULL }, /* Er */ { NULL, NULL }, /* Ev */ - { NULL, NULL }, /* Ex */ - { NULL, NULL }, /* Fa */ - { NULL, NULL }, /* Fd */ - { termp_fl_pre, termp_bold_post }, /* Fl */ - { NULL, NULL }, /* Fn */ - { NULL, NULL }, /* Ft */ - { NULL, NULL }, /* Ic */ - { NULL, NULL }, /* In */ + { 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_bold_pre, termp_bold_post }, /* Nm */ + { termp_nm_pre, NULL }, /* Nm */ { termp_op_pre, termp_op_post }, /* Op */ { NULL, NULL }, /* Ot */ - { NULL, NULL }, /* Pa */ - { NULL, NULL }, /* Rv */ - { NULL, NULL }, /* St */ - { NULL, NULL }, /* Va */ - { NULL, NULL }, /* Vt */ - { NULL, NULL }, /* Xr */ - { NULL, NULL }, /* %A */ - { NULL, NULL }, /* %B */ - { NULL, NULL }, /* %D */ - { NULL, NULL }, /* %I */ - { NULL, NULL }, /* %J */ - { NULL, NULL }, /* %N */ - { NULL, NULL }, /* %O */ - { NULL, NULL }, /* %P */ - { NULL, NULL }, /* %R */ - { NULL, NULL }, /* %T */ - { NULL, NULL }, /* %V */ + { 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 */ + { NULL, termp____post }, /* %J */ + { NULL, termp____post }, /* %N */ + { NULL, termp____post }, /* %O */ + { NULL, termp____post }, /* %P */ + { NULL, termp____post }, /* %R */ + { termp__t_pre, termp____post }, /* %T */ + { NULL, termp____post }, /* %V */ { NULL, NULL }, /* Ac */ - { NULL, NULL }, /* Ao */ - { NULL, NULL }, /* Aq */ - { NULL, NULL }, /* At */ + { termp_aq_pre, termp_aq_post }, /* Ao */ + { termp_aq_pre, termp_aq_post }, /* Aq */ + { termp_at_pre, NULL }, /* At */ { NULL, NULL }, /* Bc */ - { NULL, NULL }, /* Bf */ - { NULL, NULL }, /* Bo */ - { NULL, NULL }, /* Bq */ - { NULL, NULL }, /* Bsx */ - { NULL, NULL }, /* Bx */ + { 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 */ - { NULL, NULL }, /* Do */ - { NULL, NULL }, /* Dq */ + { termp_dq_pre, termp_dq_post }, /* Do */ + { termp_dq_pre, termp_dq_post }, /* Dq */ { NULL, NULL }, /* Ec */ { NULL, NULL }, /* Ef */ - { NULL, NULL }, /* Em */ + { termp_em_pre, NULL }, /* Em */ { NULL, NULL }, /* Eo */ - { NULL, NULL }, /* Fx */ - { NULL, NULL }, /* Ms */ + { termp_fx_pre, NULL }, /* Fx */ + { termp_ms_pre, NULL }, /* Ms */ { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ - { NULL, NULL }, /* Nx */ - { NULL, NULL }, /* Ox */ + { termp_nx_pre, NULL }, /* Nx */ + { termp_ox_pre, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ - { NULL, NULL }, /* Pf */ - { NULL, NULL }, /* Po */ - { NULL, NULL }, /* Pq */ + { termp_pf_pre, termp_pf_post }, /* Pf */ + { termp_pq_pre, termp_pq_post }, /* Po */ + { termp_pq_pre, termp_pq_post }, /* Pq */ { NULL, NULL }, /* Qc */ - { NULL, NULL }, /* Ql */ - { NULL, NULL }, /* Qo */ - { NULL, NULL }, /* Qq */ + { termp_sq_pre, termp_sq_post }, /* Ql */ + { termp_qq_pre, termp_qq_post }, /* Qo */ + { termp_qq_pre, termp_qq_post }, /* Qq */ { NULL, NULL }, /* Re */ - { NULL, NULL }, /* Rs */ + { termp_rs_pre, NULL }, /* Rs */ { NULL, NULL }, /* Sc */ - { NULL, NULL }, /* So */ - { NULL, NULL }, /* Sq */ - { NULL, NULL }, /* Sm */ - { NULL, NULL }, /* Sx */ - { NULL, NULL }, /* Sy */ + { 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 */ - { NULL, NULL }, /* Ux */ + { termp_ux_pre, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ - { NULL, NULL }, /* Fo */ + { termp_fo_pre, termp_fo_post }, /* Fo */ { NULL, NULL }, /* Fc */ - { NULL, NULL }, /* Oo */ + { termp_op_pre, termp_op_post }, /* Oo */ { NULL, NULL }, /* Oc */ { NULL, NULL }, /* Bk */ { NULL, NULL }, /* Ek */ - { NULL, NULL }, /* Bt */ + { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ { NULL, NULL }, /* Fr */ - { NULL, NULL }, /* Ud */ + { 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 */ }; +const struct termact *termacts = __termacts; + +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); + + len = (int)strlen(arg->value[pos]); + assert(len > 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_hasattr(int arg, size_t argc, const struct mdoc_arg *argv) +arg_listtype(const struct mdoc_node *n) { + int i, len; - return(-1 != arg_getattr(arg, argc, argv)); + 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) +{ + + /* TODO */ + assert(*arg->value); + if (0 == strcmp(*arg->value, "indent")) + return(INDENT); + if (0 == strcmp(*arg->value, "indent-two")) + return(INDENT * 2); + return(strlen(*arg->value)); +} + + static int -arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv) +arg_hasattr(int arg, const struct mdoc_node *n) { - int i; - for (i = 0; i < (int)argc; i++) - if (argv[i].arg == arg) - return(i); - return(-1); + 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 +termp_dq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + + word(p, "\\(lq"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ static void -flushln(struct termp *p) +termp_dq_post(DECL_ARGS) { - size_t i, j, vsz, vis, maxvis; - /* - * First, establish the maximum columns of "visible" content. - * This is usually the difference between the right-margin and - * an indentation, but can be, for tagged lists or columns, a - * small set of values. + if (MDOC_BODY != node->type) + return; + + p->flags |= TERMP_NOSPACE; + word(p, "\\(rq"); +} + + +/* ARGSUSED */ +static int +termp_it_pre_block(DECL_ARGS) +{ + + newln(p); + if ( ! arg_hasattr(MDOC_Compact, node->parent->parent)) + /* FIXME: parent->parent->parent? */ + if (node->prev || node->parent->parent->prev) + vspace(p); + + return(1); +} + + +/* 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(termp_it_pre_block(p, pair, meta, 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. */ - assert(p->offset < p->rmargin); - maxvis = p->rmargin - p->offset; - vis = 0; + 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; + } + /* - * If in the standard case (left-justified), then begin with our - * indentation, otherwise (columns, etc.) just start spitting - * out text. + * Style flags. Diagnostic heads need TTYPE_DIAG. */ - if ( ! (p->flags & TERMP_NOLPAD)) - /* LINTED */ - for (j = 0; j < p->offset; j++) - putchar(' '); + switch (type) { + case (MDOC_Diag): + if (MDOC_HEAD == node->type) + p->flags |= ttypes[TTYPE_DIAG]; + break; + default: + break; + } - for (i = 0; i < p->col; i++) { - /* - * Count up visible word characters. Control sequences - * (starting with the CSI) aren't counted. - */ - assert( ! isspace(p->buf[i])); + /* + * 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. + */ - /* LINTED */ - for (j = i, vsz = 0; j < p->col; j++) { - if (isspace(p->buf[j])) - break; - else if (27 == p->buf[j]) { - assert(j + 4 <= p->col); - j += 3; - } else - vsz++; + 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; } - assert(vsz > 0); + break; + case (MDOC_Diag): + if (MDOC_HEAD == node->type) + p->flags |= TERMP_NOBREAK; + break; + default: + break; + } - /* - * If a word is too long and we're within a line, put it - * on the next line. Puke if we're being asked to write - * something that will exceed the right margin (i.e., - * from a fresh line or when we're not allowed to break - * the line with TERMP_NOBREAK). - */ + /* + * 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. + */ - if (vis && vis + vsz >= maxvis) { - /* FIXME */ - if (p->flags & TERMP_NOBREAK) - errx(1, "word breaks right margin"); - putchar('\n'); - for (j = 0; j < p->offset; j++) - putchar(' '); - vis = 0; - } else if (vis + vsz >= maxvis) { - /* FIXME */ - errx(1, "word breaks right margin"); - } + p->offset += offset; - /* - * Write out the word and a trailing space. Omit the - * space if we're the last word in the line. - */ + 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; + } - for ( ; i < p->col; i++) { - if (isspace(p->buf[i])) - break; - putchar(p->buf[i]); + /* + * 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): + word(p, "\\[bu]"); + break; + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + word(p, "\\-"); + break; + case (MDOC_Enum): + (pair->ppair->ppair->count)++; + (void)snprintf(buf, sizeof(buf), "%d.", + pair->ppair->ppair->count); + word(p, buf); + break; + default: + break; } - vis += vsz; - if (i < p->col) { - putchar(' '); - vis++; - } - } - /* - * If we're not to right-marginalise it (newline), then instead - * pad to the right margin and stay off. + /* + * If we're not going to process our children, indicate so here. */ - if (p->flags & TERMP_NOBREAK) { - for ( ; vis <= maxvis; vis++) - putchar(' '); - } else - putchar('\n'); + 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; + } - p->col = 0; + return(1); } +/* ARGSUSED */ static void -newln(struct termp *p) +termp_it_post(DECL_ARGS) { + int type; - /* - * A newline only breaks an existing line; it won't assert - * vertical space. - */ - p->flags |= TERMP_NOSPACE; - if (0 == p->col) + if (MDOC_BODY != node->type && MDOC_HEAD != node->type) return; - flushln(p); + + 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) + flushln(p); + break; + case (MDOC_Column): + if (MDOC_HEAD == node->type) + flushln(p); + break; + default: + flushln(p); + break; + } + + p->offset = pair->offset; + p->rmargin = pair->rmargin; + p->flags = pair->flag; } -static void -vspace(struct termp *p) +/* ARGSUSED */ +static int +termp_nm_pre(DECL_ARGS) { - /* - * Asserts a vertical space (a full, empty line-break between - * lines). - */ + if (SEC_SYNOPSIS == node->sec) + newln(p); + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); + if (NULL == node->child) + word(p, meta->name); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_fl_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); + word(p, "\\-"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static int +termp_ar_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_ns_pre(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static int +termp_pp_pre(DECL_ARGS) +{ + + vspace(p); + return(1); +} + + +/* ARGSUSED */ +static int +termp_st_pre(DECL_ARGS) +{ + const char *cp; + + if (node->child && (cp = mdoc_a2st(node->child->string))) + word(p, cp); + return(0); +} + + +/* ARGSUSED */ +static int +termp_rs_pre(DECL_ARGS) +{ + + if (MDOC_BLOCK == node->type && node->prev) + vspace(p); + return(1); +} + + +/* ARGSUSED */ +static int +termp_rv_pre(DECL_ARGS) +{ + int i; + + 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"); + newln(p); - putchar('\n'); + word(p, "The"); + + p->flags |= ttypes[TTYPE_FUNC_NAME]; + word(p, *node->args->argv[i].value); + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + p->flags |= TERMP_NOSPACE; + + word(p, "() function returns the value 0 if successful;"); + word(p, "otherwise the value -1 is returned and the"); + word(p, "global variable"); + + p->flags |= ttypes[TTYPE_VAR_DECL]; + word(p, "errno"); + p->flags &= ~ttypes[TTYPE_VAR_DECL]; + + word(p, "is set to indicate the error."); + + return(1); } +/* ARGSUSED */ +static int +termp_ex_pre(DECL_ARGS) +{ + int i; + + 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"); + + word(p, "The"); + p->flags |= ttypes[TTYPE_PROG]; + word(p, *node->args->argv[i].value); + p->flags &= ~ttypes[TTYPE_PROG]; + word(p, "utility exits 0 on success, and >0 if an error occurs."); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_nd_pre(DECL_ARGS) +{ + + word(p, "\\-"); + return(1); +} + + +/* ARGSUSED */ static void -chara(struct termp *p, char c) +termp_bl_post(DECL_ARGS) { - /* TODO: dynamically expand the buffer. */ - if (p->col + 1 >= p->maxcols) - errx(1, "line overrun"); - p->buf[(p->col)++] = c; + if (MDOC_BLOCK == node->type) + newln(p); } +/* ARGSUSED */ static void -escape(struct termp *p, enum termesc esc) +termp_op_post(DECL_ARGS) { - if (p->col + 4 >= p->maxcols) - errx(1, "line overrun"); + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, "\\(rB"); +} - p->buf[(p->col)++] = 27; - p->buf[(p->col)++] = '['; - switch (esc) { - case (ESC_CLEAR): - p->buf[(p->col)++] = '0'; - break; - case (ESC_BOLD): - p->buf[(p->col)++] = '1'; - break; - case (ESC_UNDERLINE): - p->buf[(p->col)++] = '4'; - break; - default: - abort(); - /* NOTREACHED */ - } - p->buf[(p->col)++] = 'm'; + +/* ARGSUSED */ +static int +termp_xr_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (NULL == (n = node->child)) + errx(1, "expected text line argument"); + word(p, n->string); + if (NULL == (n = n->next)) + return(0); + p->flags |= TERMP_NOSPACE; + word(p, "("); + p->flags |= TERMP_NOSPACE; + word(p, n->string); + p->flags |= TERMP_NOSPACE; + word(p, ")"); + return(0); } -static void -pword(struct termp *p, const char *word, size_t len) +/* ARGSUSED */ +static int +termp_vt_pre(DECL_ARGS) { - size_t i; - assert(len > 0); + /* FIXME: this can be "type name". */ + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); + return(1); +} - if ( ! (p->flags & TERMP_NOSPACE)) - chara(p, ' '); - p->flags &= ~TERMP_NOSPACE; +/* ARGSUSED */ +static void +termp_vt_post(DECL_ARGS) +{ - if (p->flags & TERMP_BOLD) - escape(p, ESC_BOLD); - if (p->flags & TERMP_UNDERLINE) - escape(p, ESC_UNDERLINE); + if (node->sec == SEC_SYNOPSIS) + vspace(p); +} - /* TODO: escape patterns. */ - for (i = 0; i < len; i++) - chara(p, word[i]); +/* ARGSUSED */ +static int +termp_fd_pre(DECL_ARGS) +{ - if (p->flags & TERMP_BOLD || - p->flags & TERMP_UNDERLINE) - escape(p, ESC_CLEAR); + /* + * 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 -word(struct termp *p, const char *word) +termp_fd_post(DECL_ARGS) { - size_t i, j, len; - if (mdoc_isdelim(word)) - p->flags |= TERMP_NOSPACE; + if (node->sec != SEC_SYNOPSIS) + return; + newln(p); + if (node->next && MDOC_Fd != node->next->tok) + vspace(p); +} - len = strlen(word); - assert(len > 0); - /* LINTED */ - for (j = i = 0; i < len; i++) { - if ( ! isspace(word[i])) { - j++; - continue; - } - if (0 == j) - continue; - assert(i >= j); - pword(p, &word[i - j], j); - j = 0; +/* ARGSUSED */ +static int +termp_sh_pre(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_HEAD): + vspace(p); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); + break; + case (MDOC_BODY): + p->offset = INDENT; + break; + default: + break; } - if (j > 0) { - assert(i >= j); - pword(p, &word[i - j], j); + return(1); +} + + +/* ARGSUSED */ +static void +termp_sh_post(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_HEAD): + newln(p); + break; + case (MDOC_BODY): + newln(p); + p->offset = 0; + break; + default: + break; } } /* ARGSUSED */ static int -termp_it_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_op_pre(DECL_ARGS) { - const struct mdoc_node *n, *it; - const struct mdoc_block *bl; - int i; - size_t width; switch (node->type) { case (MDOC_BODY): - /* FALLTHROUGH */ - case (MDOC_HEAD): + word(p, "\\(lB"); + p->flags |= TERMP_NOSPACE; break; default: - return(1); + break; } + return(1); +} - it = node->parent; - assert(MDOC_BLOCK == it->type); - assert(MDOC_It == it->tok); - n = it->parent; - assert(MDOC_BODY == n->type); - assert(MDOC_Bl == n->tok); - n = n->parent; - bl = &n->data.block; +/* ARGSUSED */ +static int +termp_bt_pre(DECL_ARGS) +{ - /* If `-tag', adjust our margins accordingly. */ + word(p, "is currently in beta test."); + return(1); +} - if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) { - i = arg_getattr(MDOC_Width, bl->argc, bl->argv); - assert(i >= 0); - assert(1 == bl->argv[i].sz); - width = strlen(*bl->argv[i].value); /* XXX */ - if (MDOC_HEAD == node->type) { - flushln(p); - /* FIXME: nested lists. */ - p->rmargin = p->maxrmargin; - p->flags &= ~TERMP_NOBREAK; - } else { - flushln(p); - p->offset -= width + 1; - p->flags &= ~TERMP_NOLPAD; - } +/* 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))) { + word(p, lb); + return(0); } + word(p, "library"); + return(1); +} + +/* ARGSUSED */ +static void +termp_lb_post(DECL_ARGS) +{ + + newln(p); +} + + +/* ARGSUSED */ +static int +termp_ud_pre(DECL_ARGS) +{ + + word(p, "currently under development."); return(1); } /* ARGSUSED */ static int -termp_it_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_d1_pre(DECL_ARGS) { - const struct mdoc_node *n, *it; - const struct mdoc_block *bl; - int i; - size_t width; - switch (node->type) { - case (MDOC_BODY): - /* FALLTHROUGH */ - case (MDOC_HEAD): - it = node->parent; - break; - case (MDOC_BLOCK): - it = node; - break; - default: + if (MDOC_BODY != node->type) return(1); + newln(p); + p->offset += (pair->offset = INDENT); + return(1); +} + + +/* ARGSUSED */ +static void +termp_d1_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + newln(p); + p->offset -= pair->offset; +} + + +/* ARGSUSED */ +static int +termp_aq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + word(p, "\\(la"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_aq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, "\\(ra"); +} + + +/* ARGSUSED */ +static int +termp_ft_pre(DECL_ARGS) +{ + + if (SEC_SYNOPSIS == node->sec) + if (node->prev && MDOC_Fo == node->prev->tok) + 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) + 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]; + word(p, node->child->string); + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + + word(p, "("); + + p->flags |= TERMP_NOSPACE; + for (n = node->child->next; n; n = n->next) { + p->flags |= ttypes[TTYPE_FUNC_ARG]; + word(p, n->string); + p->flags &= ~ttypes[TTYPE_FUNC_ARG]; + if (n->next) + word(p, ","); } - assert(MDOC_BLOCK == it->type); - assert(MDOC_It == it->tok); + word(p, ")"); - n = it->parent; - assert(MDOC_BODY == n->type); - assert(MDOC_Bl == n->tok); - n = n->parent; - bl = &n->data.block; + if (SEC_SYNOPSIS == node->sec) + word(p, ";"); - /* If `-compact', don't assert vertical space. */ + return(0); +} + +/* ARGSUSED */ +static void +termp_fn_post(DECL_ARGS) +{ + + if (node->sec == SEC_SYNOPSIS && node->next) + 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]; + word(p, n->string); + p->flags &= ~ttypes[TTYPE_FUNC_ARG]; + if (n->next) + word(p, ","); + } + + if (node->next && node->next->tok == MDOC_Fa) + 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) +{ + const struct mdoc_node *n; + int i, type; + if (MDOC_BLOCK == node->type) { - if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) - newln(p); - else + /* FIXME: parent prev? */ + if (node->prev) vspace(p); return(1); + } 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; + } } - assert(MDOC_HEAD == node->type - || MDOC_BODY == node->type); + if (NULL == node->parent->args) + errx(1, "missing display type"); - /* If `-tag', adjust our margins accordingly. */ + 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]); + } - if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) { - i = arg_getattr(MDOC_Width, bl->argc, bl->argv); - assert(i >= 0); /* XXX */ - assert(1 == bl->argv[i].sz); - width = strlen(*bl->argv[i].value); /* XXX */ + switch (type) { + case (MDOC_Literal): + /* FALLTHROUGH */ + case (MDOC_Unfilled): + break; + default: + return(1); + } - /* FIXME: nested lists. */ + p->flags |= TERMP_LITERAL; - if (MDOC_HEAD == node->type) { - p->flags |= TERMP_NOBREAK; - p->flags |= TERMP_NOSPACE; - p->rmargin = p->offset + width; - } else { - p->flags |= TERMP_NOSPACE; - p->flags |= TERMP_NOLPAD; - p->offset += width + 1; + for (n = node->child; n; n = n->next) { + if (MDOC_TEXT != n->type) { + warnx("non-text children not yet allowed"); + continue; } + word(p, n->string); + flushln(p); } + return(0); +} + + +/* ARGSUSED */ +static void +termp_bd_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + + if ( ! (p->flags & TERMP_LITERAL)) + flushln(p); + + p->flags &= ~TERMP_LITERAL; + p->offset = pair->offset; +} + + +/* ARGSUSED */ +static int +termp_qq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + word(p, "\""); + p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ +static void +termp_qq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, "\""); +} + + +/* ARGSUSED */ static int -termp_bold_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_bsx_pre(DECL_ARGS) { - p->flags &= ~TERMP_BOLD; + word(p, "BSDI BSD/OS"); return(1); } /* ARGSUSED */ +static void +termp_bx_post(DECL_ARGS) +{ + + if (node->child) + p->flags |= TERMP_NOSPACE; + word(p, "BSD"); +} + + +/* ARGSUSED */ static int -termp_under_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_ox_pre(DECL_ARGS) { - p->flags |= TERMP_UNDERLINE; + word(p, "OpenBSD"); return(1); } /* ARGSUSED */ static int -termp_bold_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_ux_pre(DECL_ARGS) { - p->flags |= TERMP_BOLD; + word(p, "UNIX"); return(1); } /* ARGSUSED */ static int -termp_ns_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_fx_pre(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; + word(p, "FreeBSD"); return(1); } /* ARGSUSED */ static int -termp_pp_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_nx_pre(DECL_ARGS) { - vspace(p); + word(p, "NetBSD"); return(1); } /* ARGSUSED */ static int -termp_under_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_sq_pre(DECL_ARGS) { - p->flags &= ~TERMP_UNDERLINE; + if (MDOC_BODY != node->type) + return(1); + 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; + word(p, "\\(aq"); +} + + +/* ARGSUSED */ static int -termp_nd_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_pf_pre(DECL_ARGS) { - word(p, "-"); + 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_bl_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_ss_pre(DECL_ARGS) { switch (node->type) { case (MDOC_BLOCK): newln(p); + if (node->prev) + vspace(p); break; + case (MDOC_HEAD): + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); + p->offset = INDENT / 2; + break; default: break; } + return(1); } /* ARGSUSED */ -static int -termp_op_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +static void +termp_ss_post(DECL_ARGS) { switch (node->type) { - case (MDOC_BODY): - p->flags |= TERMP_NOSPACE; - word(p, "\\(rB"); + case (MDOC_HEAD): + 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_sh_post(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_em_pre(DECL_ARGS) { - switch (node->type) { - case (MDOC_HEAD): - p->flags &= ~TERMP_BOLD; - newln(p); - break; - case (MDOC_BODY): - newln(p); - p->offset -= 4; - break; - default: - break; - } + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); return(1); } /* ARGSUSED */ static int -termp_sh_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_cd_pre(DECL_ARGS) { - switch (node->type) { - case (MDOC_HEAD): - vspace(p); - p->flags |= TERMP_BOLD; - break; - case (MDOC_BODY): - p->offset += 4; - break; - default: - break; - } + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); + newln(p); return(1); } /* ARGSUSED */ static int -termp_op_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_cm_pre(DECL_ARGS) { - switch (node->type) { - case (MDOC_BODY): - word(p, "\\(lB"); - p->flags |= TERMP_NOSPACE; - break; - default: - break; - } + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); return(1); } /* ARGSUSED */ static int -termp_fl_pre(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_ic_pre(DECL_ARGS) { - p->flags |= TERMP_BOLD; - word(p, "-"); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_in_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); + word(p, "#include"); + word(p, "<"); p->flags |= TERMP_NOSPACE; return(1); } +/* ARGSUSED */ static void -termprint_r(struct termp *p, const struct mdoc_meta *meta, - const struct mdoc_node *node) +termp_in_post(DECL_ARGS) { - /* Pre-processing ----------------- */ + p->flags |= TERMP_NOSPACE; + word(p, ">"); - if (MDOC_TEXT != node->type) { - if (termacts[node->tok].pre) - if ( ! (*termacts[node->tok].pre)(p, meta, node)) - return; - } else /* MDOC_TEXT == node->type */ - word(p, node->data.text.string); + newln(p); + if (SEC_SYNOPSIS != node->sec) + return; + if (node->next && MDOC_In != node->next->tok) + vspace(p); +} - /* Children ---------------------- */ - if (NULL == node->child) { - /* No-child processing. */ - switch (node->type) { - case (MDOC_ELEM): - switch (node->tok) { - case (MDOC_Nm): - word(p, "progname"); /* TODO */ - break; - case (MDOC_Ar): - word(p, "..."); - break; - default: - break; - } - break; - default: - break; - } - } else - termprint_r(p, meta, node->child); +/* ARGSUSED */ +static int +termp_at_pre(DECL_ARGS) +{ + const char *att; - /* Post-processing --------------- */ + att = NULL; - if (MDOC_TEXT != node->type) { - if (termacts[node->tok].post) - if ( ! (*termacts[node->tok].post)(p, meta, node)) - return; - } + if (node->child) + att = mdoc_a2att(node->child->string); + if (NULL == att) + att = "AT&T UNIX"; - /* Siblings ---------------------- */ + word(p, att); + return(0); +} - if (node->next) - termprint_r(p, meta, node->next); + +/* ARGSUSED */ +static int +termp_brq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + word(p, "\\(lC"); + p->flags |= TERMP_NOSPACE; + return(1); } +/* ARGSUSED */ static void -termprint_footer(struct termp *p, const struct mdoc_meta *meta) +termp_brq_post(DECL_ARGS) { - struct tm *tm; - char *buf, *os; - size_t sz, osz, ssz, i; - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (os = malloc(p->rmargin))) - err(1, "malloc"); + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, "\\(rC"); +} - tm = localtime(&meta->date); - if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) - err(1, "strftime"); - osz = strlcpy(os, meta->os, p->rmargin); +/* ARGSUSED */ +static int +termp_bq_pre(DECL_ARGS) +{ - sz = strlen(buf); - ssz = sz + osz + 1; + if (MDOC_BODY != node->type) + return(1); + word(p, "\\(lB"); + p->flags |= TERMP_NOSPACE; + return(1); +} - if (ssz > p->rmargin) { - ssz -= p->rmargin; - assert(ssz <= osz); - os[osz - ssz] = 0; - ssz = 1; - } else - ssz = p->rmargin - ssz + 1; - printf("\n"); - printf("%s", os); - for (i = 0; i < ssz; i++) - printf(" "); +/* ARGSUSED */ +static void +termp_bq_post(DECL_ARGS) +{ - printf("%s\n", buf); - fflush(stdout); + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, "\\(rB"); +} - free(buf); - free(os); + +/* ARGSUSED */ +static int +termp_pq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + word(p, "\\&("); + p->flags |= TERMP_NOSPACE; + return(1); } +/* ARGSUSED */ static void -termprint_header(struct termp *p, const struct mdoc_meta *meta) +termp_pq_post(DECL_ARGS) { - char *msec, *buf, *title, *pp; - size_t ssz, tsz, ttsz, i;; - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (title = malloc(p->rmargin))) - err(1, "malloc"); + if (MDOC_BODY != node->type) + return; + word(p, ")"); +} - if (NULL == (pp = mdoc_vol2a(meta->vol))) - switch (meta->msec) { - case (MSEC_1): - /* FALLTHROUGH */ - case (MSEC_6): - /* FALLTHROUGH */ - case (MSEC_7): - pp = mdoc_vol2a(VOL_URM); - break; - case (MSEC_8): - pp = mdoc_vol2a(VOL_SMM); - break; - case (MSEC_2): - /* FALLTHROUGH */ - case (MSEC_3): - /* FALLTHROUGH */ - case (MSEC_4): - /* FALLTHROUGH */ - case (MSEC_5): - pp = mdoc_vol2a(VOL_PRM); - break; - case (MSEC_9): - pp = mdoc_vol2a(VOL_KM); - break; - default: - /* FIXME: capitalise. */ - if (NULL == (pp = mdoc_msec2a(meta->msec))) - pp = mdoc_msec2a(MSEC_local); - break; - } - assert(pp); - tsz = strlcpy(buf, pp, p->rmargin); - assert(tsz < p->rmargin); +/* ARGSUSED */ +static int +termp_fo_pre(DECL_ARGS) +{ + const struct mdoc_node *n; - if ((pp = mdoc_arch2a(meta->arch))) { - tsz = strlcat(buf, " (", p->rmargin); - assert(tsz < p->rmargin); - tsz = strlcat(buf, pp, p->rmargin); - assert(tsz < p->rmargin); - tsz = strlcat(buf, ")", p->rmargin); - assert(tsz < p->rmargin); + if (MDOC_BODY == node->type) { + word(p, "("); + p->flags |= TERMP_NOSPACE; + return(1); + } else if (MDOC_HEAD != node->type) + return(1); + + /* XXX - groff shows only first parameter */ + + p->flags |= ttypes[TTYPE_FUNC_NAME]; + for (n = node->child; n; n = n->next) { + if (MDOC_TEXT != n->type) + errx(1, "expected text line argument"); + word(p, n->string); } + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - ttsz = strlcpy(title, meta->title, p->rmargin); + return(0); +} - if (NULL == (msec = mdoc_msec2a(meta->msec))) - msec = ""; - ssz = (2 * (ttsz + 2 + strlen(msec))) + tsz + 2; +/* ARGSUSED */ +static void +termp_fo_post(DECL_ARGS) +{ - if (ssz > p->rmargin) { - if ((ssz -= p->rmargin) % 2) - ssz++; - ssz /= 2; - - assert(ssz <= ttsz); - title[ttsz - ssz] = 0; - ssz = 1; - } else - ssz = ((p->rmargin - ssz) / 2) + 1; + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + word(p, ")"); + p->flags |= TERMP_NOSPACE; + word(p, ";"); + newln(p); +} - printf("%s(%s)", title, msec); - for (i = 0; i < ssz; i++) - printf(" "); +/* ARGSUSED */ +static int +termp_bf_pre(DECL_ARGS) +{ + const struct mdoc_node *n; - printf("%s", buf); + if (MDOC_HEAD == node->type) { + return(0); + } else if (MDOC_BLOCK != node->type) + return(1); - for (i = 0; i < ssz; i++) - printf(" "); + 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]); - printf("%s(%s)\n", title, msec); - fflush(stdout); + return(1); + } - free(title); - free(buf); + 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); } -int -termprint(const struct mdoc_node *node, - const struct mdoc_meta *meta) +/* ARGSUSED */ +static int +termp_sy_pre(DECL_ARGS) { - struct termp p; - if (ERR == setupterm(NULL, STDOUT_FILENO, NULL)) - return(0); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); + return(1); +} - p.maxrmargin = columns < 60 ? 60 : (size_t)columns; - p.rmargin = p.maxrmargin; - p.maxcols = 1024; - p.offset = p.col = 0; - p.flags = TERMP_NOSPACE; - if (NULL == (p.buf = malloc(p.maxcols))) - err(1, "malloc"); +/* ARGSUSED */ +static int +termp_ms_pre(DECL_ARGS) +{ - termprint_header(&p, meta); - termprint_r(&p, meta, node); - termprint_footer(&p, meta); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); + return(1); +} - free(p.buf); + +/* ARGSUSED */ +static int +termp_sm_pre(DECL_ARGS) +{ + +#if notyet + assert(node->child); + if (0 == strcmp("off", node->child->data.text.string)) { + p->flags &= ~TERMP_NONOSPACE; + p->flags &= ~TERMP_NOSPACE; + } else { + p->flags |= TERMP_NONOSPACE; + p->flags |= TERMP_NOSPACE; + } +#endif + + return(0); +} + + +/* ARGSUSED */ +static int +termp_ap_pre(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + word(p, "\\(aq"); + p->flags |= TERMP_NOSPACE; return(1); } + +/* ARGSUSED */ +static int +termp__t_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_TITLE]); + return(1); +} + + +/* ARGSUSED */ +static void +termp____post(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + 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]; + word(p, n->string); + p->flags &= ~ttypes[TTYPE_LINK_ANCHOR]; + p->flags |= TERMP_NOSPACE; + word(p, ":"); + + p->flags |= ttypes[TTYPE_LINK_TEXT]; + for ( ; n; n = n->next) { + 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); +}