version 1.295, 2014/11/27 22:27:56 |
version 1.312, 2015/03/06 13:09:07 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de> |
* Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <limits.h> |
#include <stdint.h> |
#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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void (*post)(DECL_ARGS); |
void (*post)(DECL_ARGS); |
}; |
}; |
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static size_t a2width(const struct termp *, const char *); |
static int a2width(const struct termp *, const char *); |
static size_t a2height(const struct termp *, const char *); |
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static void print_bvspace(struct termp *, |
static void print_bvspace(struct termp *, |
const struct mdoc_node *, |
const struct mdoc_node *, |
Line 67 static void termp__t_post(DECL_ARGS); |
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Line 67 static void termp__t_post(DECL_ARGS); |
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static void termp_bd_post(DECL_ARGS); |
static void termp_bd_post(DECL_ARGS); |
static void termp_bk_post(DECL_ARGS); |
static void termp_bk_post(DECL_ARGS); |
static void termp_bl_post(DECL_ARGS); |
static void termp_bl_post(DECL_ARGS); |
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static void termp_eo_post(DECL_ARGS); |
static void termp_fd_post(DECL_ARGS); |
static void termp_fd_post(DECL_ARGS); |
static void termp_fo_post(DECL_ARGS); |
static void termp_fo_post(DECL_ARGS); |
static void termp_in_post(DECL_ARGS); |
static void termp_in_post(DECL_ARGS); |
Line 91 static int termp_bt_pre(DECL_ARGS); |
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Line 92 static int termp_bt_pre(DECL_ARGS); |
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static int termp_bx_pre(DECL_ARGS); |
static int termp_bx_pre(DECL_ARGS); |
static int termp_cd_pre(DECL_ARGS); |
static int termp_cd_pre(DECL_ARGS); |
static int termp_d1_pre(DECL_ARGS); |
static int termp_d1_pre(DECL_ARGS); |
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static int termp_eo_pre(DECL_ARGS); |
static int termp_ex_pre(DECL_ARGS); |
static int termp_ex_pre(DECL_ARGS); |
static int termp_fa_pre(DECL_ARGS); |
static int termp_fa_pre(DECL_ARGS); |
static int termp_fd_pre(DECL_ARGS); |
static int termp_fd_pre(DECL_ARGS); |
Line 190 static const struct termact termacts[MDOC_MAX] = { |
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Line 192 static const struct termact termacts[MDOC_MAX] = { |
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{ NULL, NULL }, /* Ec */ /* FIXME: no space */ |
{ NULL, NULL }, /* Ec */ /* FIXME: no space */ |
{ NULL, NULL }, /* Ef */ |
{ NULL, NULL }, /* Ef */ |
{ termp_under_pre, NULL }, /* Em */ |
{ termp_under_pre, NULL }, /* Em */ |
{ termp_quote_pre, termp_quote_post }, /* Eo */ |
{ termp_eo_pre, termp_eo_post }, /* Eo */ |
{ termp_xx_pre, NULL }, /* Fx */ |
{ termp_xx_pre, NULL }, /* Fx */ |
{ termp_bold_pre, NULL }, /* Ms */ |
{ termp_bold_pre, NULL }, /* Ms */ |
{ termp_li_pre, NULL }, /* No */ |
{ termp_li_pre, NULL }, /* No */ |
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print_mdoc_nodelist(DECL_ARGS) |
print_mdoc_nodelist(DECL_ARGS) |
{ |
{ |
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print_mdoc_node(p, pair, meta, n); |
while (n != NULL) { |
if (n->next) |
print_mdoc_node(p, pair, meta, n); |
print_mdoc_nodelist(p, pair, meta, n->next); |
n = n->next; |
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} |
} |
} |
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static void |
static void |
Line 306 print_mdoc_node(DECL_ARGS) |
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Line 309 print_mdoc_node(DECL_ARGS) |
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chld = 1; |
chld = 1; |
offset = p->offset; |
offset = p->offset; |
rmargin = p->rmargin; |
rmargin = p->rmargin; |
n->prev_font = term_fontq(p); |
n->flags &= ~MDOC_ENDED; |
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n->prev_font = p->fonti; |
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memset(&npair, 0, sizeof(struct termpair)); |
memset(&npair, 0, sizeof(struct termpair)); |
npair.ppair = pair; |
npair.ppair = pair; |
Line 316 print_mdoc_node(DECL_ARGS) |
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Line 320 print_mdoc_node(DECL_ARGS) |
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* invoked in a prior line, revert it to PREKEEP. |
* invoked in a prior line, revert it to PREKEEP. |
*/ |
*/ |
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if (TERMP_KEEP & p->flags) { |
if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) { |
if (n->prev ? (n->prev->lastline != n->line) : |
p->flags &= ~TERMP_KEEP; |
(n->parent && n->parent->line != n->line)) { |
p->flags |= TERMP_PREKEEP; |
p->flags &= ~TERMP_KEEP; |
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p->flags |= TERMP_PREKEEP; |
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} |
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} |
} |
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/* |
/* |
Line 361 print_mdoc_node(DECL_ARGS) |
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Line 362 print_mdoc_node(DECL_ARGS) |
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print_mdoc_nodelist(p, &npair, meta, n->child); |
print_mdoc_nodelist(p, &npair, meta, n->child); |
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term_fontpopq(p, |
term_fontpopq(p, |
(ENDBODY_NOT == n->end ? n : n->pending)->prev_font); |
(ENDBODY_NOT == n->end ? n : n->body)->prev_font); |
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switch (n->type) { |
switch (n->type) { |
case MDOC_TEXT: |
case MDOC_TEXT: |
Line 381 print_mdoc_node(DECL_ARGS) |
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Line 382 print_mdoc_node(DECL_ARGS) |
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* that it must not call the post handler again. |
* that it must not call the post handler again. |
*/ |
*/ |
if (ENDBODY_NOT != n->end) |
if (ENDBODY_NOT != n->end) |
n->pending->flags |= MDOC_ENDED; |
n->body->flags |= MDOC_ENDED; |
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/* |
/* |
* End of line terminating an implicit block |
* End of line terminating an implicit block |
Line 526 print_mdoc_head(struct termp *p, const void *arg) |
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Line 527 print_mdoc_head(struct termp *p, const void *arg) |
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free(volume); |
free(volume); |
} |
} |
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static size_t |
static int |
a2height(const struct termp *p, const char *v) |
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{ |
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struct roffsu su; |
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assert(v); |
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if ( ! a2roffsu(v, &su, SCALE_VS)) |
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SCALE_VS_INIT(&su, atoi(v)); |
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return(term_vspan(p, &su)); |
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} |
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static size_t |
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a2width(const struct termp *p, const char *v) |
a2width(const struct termp *p, const char *v) |
{ |
{ |
struct roffsu su; |
struct roffsu su; |
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assert(v); |
if (a2roffsu(v, &su, SCALE_MAX) < 2) { |
if ( ! a2roffsu(v, &su, SCALE_MAX)) { |
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SCALE_HS_INIT(&su, term_strlen(p, v)); |
SCALE_HS_INIT(&su, term_strlen(p, v)); |
su.scale /= term_strlen(p, "0"); |
su.scale /= term_strlen(p, "0"); |
} |
} |
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return(term_hspan(p, &su)); |
return(term_hspan(p, &su)); |
} |
} |
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Line 620 termp_ll_pre(DECL_ARGS) |
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Line 606 termp_ll_pre(DECL_ARGS) |
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static int |
static int |
termp_it_pre(DECL_ARGS) |
termp_it_pre(DECL_ARGS) |
{ |
{ |
const struct mdoc_node *bl, *nn; |
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char buf[24]; |
char buf[24]; |
int i; |
const struct mdoc_node *bl, *nn; |
size_t width, offset, ncols, dcol; |
size_t ncols, dcol; |
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int i, offset, width; |
enum mdoc_list type; |
enum mdoc_list type; |
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if (MDOC_BLOCK == n->type) { |
if (MDOC_BLOCK == n->type) { |
Line 635 termp_it_pre(DECL_ARGS) |
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Line 621 termp_it_pre(DECL_ARGS) |
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type = bl->norm->Bl.type; |
type = bl->norm->Bl.type; |
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/* |
/* |
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* Defaults for specific list types. |
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*/ |
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switch (type) { |
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case LIST_bullet: |
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/* FALLTHROUGH */ |
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case LIST_dash: |
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/* FALLTHROUGH */ |
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case LIST_hyphen: |
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/* FALLTHROUGH */ |
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case LIST_enum: |
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width = term_len(p, 2); |
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break; |
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case LIST_hang: |
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width = term_len(p, 8); |
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break; |
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case LIST_column: |
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/* FALLTHROUGH */ |
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case LIST_tag: |
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width = term_len(p, 10); |
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break; |
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default: |
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width = 0; |
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break; |
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} |
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offset = 0; |
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/* |
* First calculate width and offset. This is pretty easy unless |
* First calculate width and offset. This is pretty easy unless |
* we're a -column list, in which case all prior columns must |
* we're a -column list, in which case all prior columns must |
* be accounted for. |
* be accounted for. |
*/ |
*/ |
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width = offset = 0; |
if (bl->norm->Bl.offs != NULL) { |
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if (bl->norm->Bl.offs) |
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offset = a2width(p, bl->norm->Bl.offs); |
offset = a2width(p, bl->norm->Bl.offs); |
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if (offset < 0 && (size_t)(-offset) > p->offset) |
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offset = -p->offset; |
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else if (offset > SHRT_MAX) |
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offset = 0; |
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} |
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switch (type) { |
switch (type) { |
case LIST_column: |
case LIST_column: |
Line 698 termp_it_pre(DECL_ARGS) |
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Line 715 termp_it_pre(DECL_ARGS) |
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* number for buffering single arguments. See the above |
* number for buffering single arguments. See the above |
* handling for column for how this changes. |
* handling for column for how this changes. |
*/ |
*/ |
assert(bl->norm->Bl.width); |
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width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); |
width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); |
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if (width < 0 && (size_t)(-width) > p->offset) |
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width = -p->offset; |
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else if (width > SHRT_MAX) |
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width = 0; |
break; |
break; |
} |
} |
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/* |
/* |
* List-type can override the width in the case of fixed-head |
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* values (bullet, dash/hyphen, enum). Tags need a non-zero |
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* offset. |
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*/ |
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switch (type) { |
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case LIST_bullet: |
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/* FALLTHROUGH */ |
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case LIST_dash: |
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/* FALLTHROUGH */ |
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case LIST_hyphen: |
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/* FALLTHROUGH */ |
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case LIST_enum: |
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if (width < term_len(p, 2)) |
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width = term_len(p, 2); |
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break; |
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case LIST_hang: |
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if (0 == width) |
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width = term_len(p, 8); |
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break; |
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case LIST_column: |
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/* FALLTHROUGH */ |
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case LIST_tag: |
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if (0 == width) |
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width = term_len(p, 10); |
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break; |
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default: |
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break; |
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} |
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/* |
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* Whitespace control. Inset bodies need an initial space, |
* Whitespace control. Inset bodies need an initial space, |
* while diagonal bodies need two. |
* while diagonal bodies need two. |
*/ |
*/ |
Line 776 termp_it_pre(DECL_ARGS) |
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Line 765 termp_it_pre(DECL_ARGS) |
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case LIST_enum: |
case LIST_enum: |
/* |
/* |
* Weird special case. |
* Weird special case. |
* Very narrow enum lists actually hang. |
* Some very narrow lists actually hang. |
*/ |
*/ |
if (width == term_len(p, 2)) |
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p->flags |= TERMP_HANG; |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LIST_bullet: |
case LIST_bullet: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LIST_dash: |
case LIST_dash: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LIST_hyphen: |
case LIST_hyphen: |
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if (width <= (int)term_len(p, 2)) |
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p->flags |= TERMP_HANG; |
if (MDOC_HEAD != n->type) |
if (MDOC_HEAD != n->type) |
break; |
break; |
p->flags |= TERMP_NOBREAK; |
p->flags |= TERMP_NOBREAK; |
Line 874 termp_it_pre(DECL_ARGS) |
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Line 863 termp_it_pre(DECL_ARGS) |
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case LIST_hyphen: |
case LIST_hyphen: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LIST_tag: |
case LIST_tag: |
assert(width); |
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if (MDOC_HEAD == n->type) |
if (MDOC_HEAD == n->type) |
p->rmargin = p->offset + width; |
p->rmargin = p->offset + width; |
else |
else |
Line 995 termp_it_post(DECL_ARGS) |
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Line 983 termp_it_post(DECL_ARGS) |
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static int |
static int |
termp_nm_pre(DECL_ARGS) |
termp_nm_pre(DECL_ARGS) |
{ |
{ |
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const char *cp; |
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if (MDOC_BLOCK == n->type) { |
if (MDOC_BLOCK == n->type) { |
p->flags |= TERMP_PREKEEP; |
p->flags |= TERMP_PREKEEP; |
Line 1005 termp_nm_pre(DECL_ARGS) |
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Line 994 termp_nm_pre(DECL_ARGS) |
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if (NULL == n->child) |
if (NULL == n->child) |
return(0); |
return(0); |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
p->offset += term_len(p, 1) + |
cp = NULL; |
(NULL == n->prev->child ? |
if (n->prev->child != NULL) |
term_strlen(p, meta->name) : |
cp = n->prev->child->string; |
MDOC_TEXT == n->prev->child->type ? |
if (cp == NULL) |
term_strlen(p, n->prev->child->string) : |
cp = meta->name; |
term_len(p, 5)); |
if (cp == NULL) |
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p->offset += term_len(p, 6); |
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else |
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p->offset += term_len(p, 1) + term_strlen(p, cp); |
return(1); |
return(1); |
} |
} |
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Line 1100 termp_an_pre(DECL_ARGS) |
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Line 1092 termp_an_pre(DECL_ARGS) |
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return(0); |
return(0); |
} |
} |
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if (n->child == NULL) |
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return(0); |
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if (p->flags & TERMP_SPLIT) |
if (p->flags & TERMP_SPLIT) |
term_newln(p); |
term_newln(p); |
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termp_nd_pre(DECL_ARGS) |
termp_nd_pre(DECL_ARGS) |
{ |
{ |
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if (MDOC_BODY != n->type) |
if (n->type == MDOC_BODY) |
return(1); |
term_word(p, "\\(en"); |
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#if defined(__OpenBSD__) || defined(__linux__) |
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term_word(p, "\\(en"); |
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#else |
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term_word(p, "\\(em"); |
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#endif |
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return(1); |
return(1); |
} |
} |
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Line 1556 termp_bd_pre(DECL_ARGS) |
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Line 1539 termp_bd_pre(DECL_ARGS) |
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{ |
{ |
size_t tabwidth, lm, len, rm, rmax; |
size_t tabwidth, lm, len, rm, rmax; |
struct mdoc_node *nn; |
struct mdoc_node *nn; |
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int offset; |
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if (MDOC_BLOCK == n->type) { |
if (MDOC_BLOCK == n->type) { |
print_bvspace(p, n, n); |
print_bvspace(p, n, n); |
Line 1572 termp_bd_pre(DECL_ARGS) |
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Line 1556 termp_bd_pre(DECL_ARGS) |
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p->offset += term_len(p, p->defindent + 1); |
p->offset += term_len(p, p->defindent + 1); |
else if ( ! strcmp(n->norm->Bd.offs, "indent-two")) |
else if ( ! strcmp(n->norm->Bd.offs, "indent-two")) |
p->offset += term_len(p, (p->defindent + 1) * 2); |
p->offset += term_len(p, (p->defindent + 1) * 2); |
else |
else { |
p->offset += a2width(p, n->norm->Bd.offs); |
offset = a2width(p, n->norm->Bd.offs); |
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if (offset < 0 && (size_t)(-offset) > p->offset) |
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p->offset = 0; |
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else if (offset < SHRT_MAX) |
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p->offset += offset; |
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} |
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/* |
/* |
* If -ragged or -filled are specified, the block does nothing |
* If -ragged or -filled are specified, the block does nothing |
Line 1634 termp_bd_pre(DECL_ARGS) |
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Line 1623 termp_bd_pre(DECL_ARGS) |
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default: |
default: |
break; |
break; |
} |
} |
if (nn->next && nn->next->line == nn->line) |
if (p->flags & TERMP_NONEWLINE || |
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(nn->next && ! (nn->next->flags & MDOC_LINE))) |
continue; |
continue; |
term_flushln(p); |
term_flushln(p); |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
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termp_pf_post(DECL_ARGS) |
termp_pf_post(DECL_ARGS) |
{ |
{ |
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p->flags |= TERMP_NOSPACE; |
if ( ! (n->next == NULL || n->next->flags & MDOC_LINE)) |
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p->flags |= TERMP_NOSPACE; |
} |
} |
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static int |
static int |
Line 1816 termp_in_post(DECL_ARGS) |
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Line 1807 termp_in_post(DECL_ARGS) |
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static int |
static int |
termp_sp_pre(DECL_ARGS) |
termp_sp_pre(DECL_ARGS) |
{ |
{ |
size_t i, len; |
struct roffsu su; |
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int i, len; |
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switch (n->tok) { |
switch (n->tok) { |
case MDOC_sp: |
case MDOC_sp: |
len = n->child ? a2height(p, n->child->string) : 1; |
if (n->child) { |
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if ( ! a2roffsu(n->child->string, &su, SCALE_VS)) |
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su.scale = 1.0; |
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len = term_vspan(p, &su); |
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} else |
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len = 1; |
break; |
break; |
case MDOC_br: |
case MDOC_br: |
len = 0; |
len = 0; |
Line 1832 termp_sp_pre(DECL_ARGS) |
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Line 1829 termp_sp_pre(DECL_ARGS) |
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if (0 == len) |
if (0 == len) |
term_newln(p); |
term_newln(p); |
for (i = 0; i < len; i++) |
else if (len < 0) |
term_vspace(p); |
p->skipvsp -= len; |
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else |
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for (i = 0; i < len; i++) |
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term_vspace(p); |
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return(0); |
return(0); |
} |
} |
Line 1856 termp_quote_pre(DECL_ARGS) |
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Line 1856 termp_quote_pre(DECL_ARGS) |
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case MDOC_Ao: |
case MDOC_Ao: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Aq: |
case MDOC_Aq: |
term_word(p, n->parent->prev != NULL && |
term_word(p, n->nchild == 1 && |
n->parent->prev->tok == MDOC_An ? "<" : "\\(la"); |
n->child->tok == MDOC_Mt ? "<" : "\\(la"); |
break; |
break; |
case MDOC_Bro: |
case MDOC_Bro: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 1876 termp_quote_pre(DECL_ARGS) |
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Line 1876 termp_quote_pre(DECL_ARGS) |
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case MDOC_Do: |
case MDOC_Do: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Dq: |
case MDOC_Dq: |
term_word(p, "\\(lq"); |
term_word(p, "\\(Lq"); |
break; |
break; |
case MDOC_En: |
case MDOC_En: |
if (NULL == n->norm->Es || |
if (NULL == n->norm->Es || |
Line 1884 termp_quote_pre(DECL_ARGS) |
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Line 1884 termp_quote_pre(DECL_ARGS) |
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return(1); |
return(1); |
term_word(p, n->norm->Es->child->string); |
term_word(p, n->norm->Es->child->string); |
break; |
break; |
case MDOC_Eo: |
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break; |
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case MDOC_Po: |
case MDOC_Po: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Pq: |
case MDOC_Pq: |
Line 1921 termp_quote_post(DECL_ARGS) |
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Line 1919 termp_quote_post(DECL_ARGS) |
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if (n->type != MDOC_BODY && n->type != MDOC_ELEM) |
if (n->type != MDOC_BODY && n->type != MDOC_ELEM) |
return; |
return; |
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if ( ! (n->tok == MDOC_En || |
p->flags |= TERMP_NOSPACE; |
(n->tok == MDOC_Eo && n->end == ENDBODY_SPACE))) |
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p->flags |= TERMP_NOSPACE; |
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switch (n->tok) { |
switch (n->tok) { |
case MDOC_Ao: |
case MDOC_Ao: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Aq: |
case MDOC_Aq: |
term_word(p, n->parent->prev != NULL && |
term_word(p, n->nchild == 1 && |
n->parent->prev->tok == MDOC_An ? ">" : "\\(ra"); |
n->child->tok == MDOC_Mt ? ">" : "\\(ra"); |
break; |
break; |
case MDOC_Bro: |
case MDOC_Bro: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 1949 termp_quote_post(DECL_ARGS) |
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Line 1945 termp_quote_post(DECL_ARGS) |
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case MDOC_Do: |
case MDOC_Do: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Dq: |
case MDOC_Dq: |
term_word(p, "\\(rq"); |
term_word(p, "\\(Rq"); |
break; |
break; |
case MDOC_En: |
case MDOC_En: |
if (NULL != n->norm->Es && |
if (n->norm->Es == NULL || |
NULL != n->norm->Es->child && |
n->norm->Es->child == NULL || |
NULL != n->norm->Es->child->next) { |
n->norm->Es->child->next == NULL) |
p->flags |= TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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else |
term_word(p, n->norm->Es->child->next->string); |
term_word(p, n->norm->Es->child->next->string); |
} |
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break; |
break; |
case MDOC_Eo: |
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break; |
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case MDOC_Po: |
case MDOC_Po: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Pq: |
case MDOC_Pq: |
Line 1984 termp_quote_post(DECL_ARGS) |
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Line 1978 termp_quote_post(DECL_ARGS) |
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abort(); |
abort(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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} |
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static int |
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termp_eo_pre(DECL_ARGS) |
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{ |
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|
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if (n->type != MDOC_BODY) |
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return(1); |
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|
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if (n->end == ENDBODY_NOT && |
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n->parent->head->child == NULL && |
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n->child != NULL && |
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n->child->end != ENDBODY_NOT) |
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term_word(p, "\\&"); |
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else if (n->end != ENDBODY_NOT ? n->child != NULL : |
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n->parent->head->child != NULL && (n->child != NULL || |
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(n->parent->tail != NULL && n->parent->tail->child != NULL))) |
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p->flags |= TERMP_NOSPACE; |
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|
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return(1); |
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} |
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|
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static void |
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termp_eo_post(DECL_ARGS) |
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{ |
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int body, tail; |
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|
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if (n->type != MDOC_BODY) |
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return; |
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|
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if (n->end != ENDBODY_NOT) { |
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p->flags &= ~TERMP_NOSPACE; |
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return; |
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} |
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|
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body = n->child != NULL || n->parent->head->child != NULL; |
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tail = n->parent->tail != NULL && n->parent->tail->child != NULL; |
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|
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if (body && tail) |
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p->flags |= TERMP_NOSPACE; |
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else if ( ! (body || tail)) |
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term_word(p, "\\&"); |
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else if ( ! tail) |
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p->flags &= ~TERMP_NOSPACE; |
} |
} |
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static int |
static int |