diff options
-rw-r--r-- | mdoc_man.c | 212 |
1 files changed, 146 insertions, 66 deletions
@@ -41,13 +41,17 @@ struct manact { static int cond_body(DECL_ARGS); static int cond_head(DECL_ARGS); +static void font_push(char); +static void font_pop(void); static void post_bd(DECL_ARGS); static void post_bk(DECL_ARGS); static void post_dl(DECL_ARGS); static void post_enc(DECL_ARGS); static void post_fa(DECL_ARGS); +static void post_fl(DECL_ARGS); static void post_fn(DECL_ARGS); static void post_fo(DECL_ARGS); +static void post_font(DECL_ARGS); static void post_in(DECL_ARGS); static void post_lb(DECL_ARGS); static void post_nm(DECL_ARGS); @@ -64,13 +68,16 @@ static int pre_br(DECL_ARGS); static int pre_bx(DECL_ARGS); static int pre_dl(DECL_ARGS); static int pre_enc(DECL_ARGS); +static int pre_em(DECL_ARGS); static int pre_fa(DECL_ARGS); +static int pre_fl(DECL_ARGS); static int pre_fn(DECL_ARGS); static int pre_fo(DECL_ARGS); static int pre_ft(DECL_ARGS); static int pre_in(DECL_ARGS); static int pre_it(DECL_ARGS); static int pre_lk(DECL_ARGS); +static int pre_li(DECL_ARGS); static int pre_nm(DECL_ARGS); static int pre_no(DECL_ARGS); static int pre_ns(DECL_ARGS); @@ -78,6 +85,7 @@ static int pre_pp(DECL_ARGS); static int pre_sm(DECL_ARGS); static int pre_sp(DECL_ARGS); static int pre_sect(DECL_ARGS); +static int pre_sy(DECL_ARGS); static void pre_syn(const struct mdoc_node *); static int pre_vt(DECL_ARGS); static int pre_ux(DECL_ARGS); @@ -101,37 +109,37 @@ static const struct manact manacts[MDOC_MAX + 1] = { { NULL, NULL, NULL, NULL, NULL }, /* Bl */ { NULL, NULL, NULL, NULL, NULL }, /* El */ { NULL, pre_it, NULL, NULL, NULL }, /* _It */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ad */ + { NULL, pre_em, post_font, NULL, NULL }, /* Ad */ { NULL, pre_an, NULL, NULL, NULL }, /* An */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cd */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */ - { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Dv */ - { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Er */ - { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Ev */ + { NULL, pre_em, post_font, NULL, NULL }, /* Ar */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */ + { NULL, pre_li, post_font, NULL, NULL }, /* Dv */ + { NULL, pre_li, post_font, NULL, NULL }, /* Er */ + { NULL, pre_li, post_font, NULL, NULL }, /* Ev */ { NULL, pre_enc, post_enc, "The \\fB", "\\fP\nutility exits 0 on success, and >0 if an error occurs." }, /* Ex */ { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */ { NULL, NULL, NULL, NULL, NULL }, /* _Fd */ - { NULL, pre_enc, post_enc, "\\fB-", "\\fP" }, /* Fl */ + { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */ { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */ - { NULL, pre_ft, post_enc, NULL, "\\fP" }, /* Ft */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ic */ + { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */ { NULL, pre_in, post_in, NULL, NULL }, /* In */ - { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Li */ + { NULL, pre_li, post_font, NULL, NULL }, /* Li */ { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */ { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */ { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */ { NULL, NULL, NULL, NULL, NULL }, /* Ot */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Pa */ + { NULL, pre_em, post_font, NULL, NULL }, /* Pa */ { NULL, pre_enc, post_enc, "The \\fB", "\\fP\nfunction returns the value 0 if successful;\n" "otherwise the value -1 is returned and the global\n" "variable \\fIerrno\\fP is set to indicate the error." }, /* Rv */ { NULL, NULL, NULL, NULL, NULL }, /* St */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Va */ + { NULL, pre_em, post_font, NULL, NULL }, /* Va */ { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */ { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */ { NULL, NULL, post_percent, NULL, NULL }, /* _%A */ @@ -161,10 +169,10 @@ static const struct manact manacts[MDOC_MAX + 1] = { { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */ { NULL, NULL, NULL, NULL, NULL }, /* _Ec */ { NULL, NULL, NULL, NULL, NULL }, /* _Ef */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Em */ + { NULL, pre_em, post_font, NULL, NULL }, /* Em */ { NULL, NULL, NULL, NULL, NULL }, /* _Eo */ { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ms */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */ { NULL, pre_no, NULL, NULL, NULL }, /* No */ { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */ { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */ @@ -183,9 +191,9 @@ static const struct manact manacts[MDOC_MAX + 1] = { { cond_body, pre_enc, post_enc, "`", "'" }, /* So */ { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */ { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */ - { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Tn */ + { NULL, pre_em, post_font, NULL, NULL }, /* Sx */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */ + { NULL, pre_li, post_font, NULL, NULL }, /* Tn */ { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */ { NULL, NULL, NULL, NULL, NULL }, /* _Xc */ { NULL, NULL, NULL, NULL, NULL }, /* _Xo */ @@ -202,7 +210,7 @@ static const struct manact manacts[MDOC_MAX + 1] = { { NULL, NULL, post_lb, NULL, NULL }, /* Lb */ { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */ { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Mt */ + { NULL, pre_em, post_font, NULL, NULL }, /* Mt */ { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */ { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */ { NULL, NULL, NULL, NULL, NULL }, /* Brc */ @@ -229,6 +237,38 @@ static int outflags; #define MMAN_An_split (1 << 7) #define MMAN_An_nosplit (1 << 8) +static struct { + char *head; + char *tail; + size_t size; +} fontqueue; + +static void +font_push(char newfont) +{ + + if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) { + fontqueue.size += 8; + fontqueue.head = mandoc_realloc(fontqueue.head, + fontqueue.size); + } + *fontqueue.tail = newfont; + print_word("\\f"); + putchar(newfont); + outflags &= ~MMAN_spc; +} + +static void +font_pop(void) +{ + + if (fontqueue.tail > fontqueue.head) + fontqueue.tail--; + outflags &= ~MMAN_spc; + print_word("\\f"); + putchar(*fontqueue.tail); +} + static void print_word(const char *s) { @@ -335,6 +375,11 @@ man_mdoc(void *arg, const struct mdoc *mdoc) m->title, m->msec, m->date, m->os, m->vol); outflags = MMAN_nl | MMAN_Sm; + if (0 == fontqueue.size) { + fontqueue.size = 8; + fontqueue.head = fontqueue.tail = mandoc_malloc(8); + *fontqueue.tail = 'R'; + } print_node(m, n); putchar('\n'); } @@ -411,10 +456,6 @@ cond_body(DECL_ARGS) return(MDOC_BODY == n->type); } -/* - * Output a font encoding before a node, e.g., \fR. - * This obviously has no trailing space. - */ static int pre_enc(DECL_ARGS) { @@ -428,9 +469,6 @@ pre_enc(DECL_ARGS) return(1); } -/* - * Output a font encoding subsequent a node, e.g., \fP. - */ static void post_enc(DECL_ARGS) { @@ -441,8 +479,13 @@ post_enc(DECL_ARGS) return; outflags &= ~MMAN_spc; print_word(suffix); - if (MDOC_Fl == n->tok && 0 == n->nchild) - outflags &= ~MMAN_spc; +} + +static void +post_font(DECL_ARGS) +{ + + font_pop(); } /* @@ -671,6 +714,14 @@ post_dl(DECL_ARGS) } static int +pre_em(DECL_ARGS) +{ + + font_push('I'); + return(1); +} + +static int pre_fa(DECL_ARGS) { @@ -678,11 +729,9 @@ pre_fa(DECL_ARGS) n = n->child; while (NULL != n) { - print_word("\\fI"); - outflags &= ~MMAN_spc; + font_push('I'); print_node(m, n); - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); if (NULL != (n = n->next)) print_word(","); } @@ -698,6 +747,25 @@ post_fa(DECL_ARGS) } static int +pre_fl(DECL_ARGS) +{ + + font_push('B'); + print_word("-"); + outflags &= ~MMAN_spc; + return(1); +} + +static void +post_fl(DECL_ARGS) +{ + + font_pop(); + if (0 == n->nchild) + outflags &= ~MMAN_spc; +} + +static int pre_fn(DECL_ARGS) { @@ -707,11 +775,11 @@ pre_fn(DECL_ARGS) if (NULL == n) return(0); - print_word("\\fB"); - outflags &= ~MMAN_spc; + font_push('B'); print_node(m, n); + font_pop(); outflags &= ~MMAN_spc; - print_word("\\fP("); + print_word("("); outflags &= ~MMAN_spc; return(pre_fa(m, n->next)); } @@ -736,8 +804,7 @@ pre_fo(DECL_ARGS) pre_syn(n); break; case (MDOC_HEAD): - print_word("\\fB"); - outflags &= ~MMAN_spc; + font_push('B'); break; case (MDOC_BODY): outflags &= ~MMAN_spc; @@ -756,8 +823,7 @@ post_fo(DECL_ARGS) switch (n->type) { case (MDOC_HEAD): - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); break; case (MDOC_BODY): post_fn(m, n); @@ -772,8 +838,7 @@ pre_ft(DECL_ARGS) { pre_syn(n); - print_word("\\fI"); - outflags &= ~MMAN_spc; + font_push('I'); return(1); } @@ -783,10 +848,14 @@ pre_in(DECL_ARGS) if (MDOC_SYNPRETTY & n->flags) { pre_syn(n); - print_word("\\fB#include <"); - } else - print_word("<\\fI"); - outflags &= ~MMAN_spc; + font_push('B'); + print_word("#include <"); + outflags &= ~MMAN_spc; + } else { + print_word("<"); + outflags &= ~MMAN_spc; + font_push('I'); + } return(1); } @@ -794,12 +863,16 @@ static void post_in(DECL_ARGS) { - outflags &= ~MMAN_spc; if (MDOC_SYNPRETTY & n->flags) { - print_word(">\\fP"); + outflags &= ~MMAN_spc; + print_word(">"); + font_pop(); outflags |= MMAN_br; - } else - print_word("\\fP>"); + } else { + font_pop(); + outflags &= ~MMAN_spc; + print_word(">"); + } } static int @@ -844,26 +917,30 @@ pre_lk(DECL_ARGS) return(0); if (NULL != (descr = link->next)) { - print_word("\\fI"); - outflags &= ~MMAN_spc; + font_push('I'); while (NULL != descr) { print_word(descr->string); descr = descr->next; } print_word(":"); - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); } - print_word("\\fB"); - outflags &= ~MMAN_spc; + font_push('B'); print_word(link->string); - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); return(0); } static int +pre_li(DECL_ARGS) +{ + + font_push('R'); + return(1); +} + +static int pre_nm(DECL_ARGS) { @@ -873,8 +950,7 @@ pre_nm(DECL_ARGS) return(1); if (NULL == n->child && NULL == m->name) return(0); - print_word("\\fB"); - outflags &= ~MMAN_spc; + font_push('B'); if (NULL == n->child) print_word(m->name); return(1); @@ -886,8 +962,7 @@ post_nm(DECL_ARGS) if (MDOC_ELEM != n->type && MDOC_HEAD != n->type) return; - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); } static int @@ -955,6 +1030,14 @@ post_sp(DECL_ARGS) } static int +pre_sy(DECL_ARGS) +{ + + font_push('B'); + return(1); +} + +static int pre_vt(DECL_ARGS) { @@ -969,8 +1052,7 @@ pre_vt(DECL_ARGS) return(0); } } - print_word("\\fI"); - outflags &= ~MMAN_spc; + font_push('I'); return(1); } @@ -980,9 +1062,7 @@ post_vt(DECL_ARGS) if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type) return; - - outflags &= ~MMAN_spc; - print_word("\\fP"); + font_pop(); } static int |