version 1.160, 2010/06/27 16:18:13 |
version 1.175, 2010/07/19 11:06:31 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "out.h" |
#include "out.h" |
#include "term.h" |
#include "term.h" |
#include "regs.h" |
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#include "mdoc.h" |
#include "mdoc.h" |
#include "chars.h" |
#include "chars.h" |
#include "main.h" |
#include "main.h" |
Line 57 static size_t a2width(const struct termp *, const ch |
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Line 57 static size_t a2width(const struct termp *, const ch |
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static size_t a2height(const struct termp *, const char *); |
static size_t a2height(const struct termp *, const char *); |
static size_t a2offs(const struct termp *, const char *); |
static size_t a2offs(const struct termp *, const char *); |
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static int arg_hasattr(int, const struct mdoc_node *); |
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static int arg_getattr(int, const struct mdoc_node *); |
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static void print_bvspace(struct termp *, |
static void print_bvspace(struct termp *, |
const struct mdoc_node *, |
const struct mdoc_node *, |
const struct mdoc_node *); |
const struct mdoc_node *); |
Line 85 static void termp_fo_post(DECL_ARGS); |
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Line 83 static void termp_fo_post(DECL_ARGS); |
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static void termp_in_post(DECL_ARGS); |
static void termp_in_post(DECL_ARGS); |
static void termp_it_post(DECL_ARGS); |
static void termp_it_post(DECL_ARGS); |
static void termp_lb_post(DECL_ARGS); |
static void termp_lb_post(DECL_ARGS); |
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static void termp_nm_post(DECL_ARGS); |
static void termp_op_post(DECL_ARGS); |
static void termp_op_post(DECL_ARGS); |
static void termp_pf_post(DECL_ARGS); |
static void termp_pf_post(DECL_ARGS); |
static void termp_pq_post(DECL_ARGS); |
static void termp_pq_post(DECL_ARGS); |
Line 170 static const struct termact termacts[MDOC_MAX] = { |
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Line 169 static const struct termact termacts[MDOC_MAX] = { |
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{ termp_in_pre, termp_in_post }, /* In */ |
{ termp_in_pre, termp_in_post }, /* In */ |
{ termp_li_pre, NULL }, /* Li */ |
{ termp_li_pre, NULL }, /* Li */ |
{ termp_nd_pre, NULL }, /* Nd */ |
{ termp_nd_pre, NULL }, /* Nd */ |
{ termp_nm_pre, NULL }, /* Nm */ |
{ termp_nm_pre, termp_nm_post }, /* Nm */ |
{ termp_op_pre, termp_op_post }, /* Op */ |
{ termp_op_pre, termp_op_post }, /* Op */ |
{ NULL, NULL }, /* Ot */ |
{ NULL, NULL }, /* Ot */ |
{ termp_under_pre, NULL }, /* Pa */ |
{ termp_under_pre, NULL }, /* Pa */ |
Line 325 print_mdoc_node(DECL_ARGS) |
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Line 324 print_mdoc_node(DECL_ARGS) |
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memset(&npair, 0, sizeof(struct termpair)); |
memset(&npair, 0, sizeof(struct termpair)); |
npair.ppair = pair; |
npair.ppair = pair; |
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if (MDOC_TEXT != n->type) { |
if (MDOC_TEXT == n->type) |
if (termacts[n->tok].pre) |
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chld = (*termacts[n->tok].pre)(p, &npair, m, n); |
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} else |
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term_word(p, n->string); |
term_word(p, n->string); |
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else if (termacts[n->tok].pre && ENDBODY_NOT == n->end) |
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chld = (*termacts[n->tok].pre)(p, &npair, m, n); |
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/* |
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* Keeps only work until the end of a line. If a keep was |
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* invoked in a prior line, revert it to PREKEEP. |
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*/ |
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if (TERMP_KEEP & p->flags) { |
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if (n->prev && n->prev->line != n->line) { |
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p->flags &= ~TERMP_KEEP; |
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p->flags |= TERMP_PREKEEP; |
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} else if (NULL == n->prev) { |
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if (n->parent && n->parent->line != n->line) { |
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p->flags &= ~TERMP_KEEP; |
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p->flags |= TERMP_PREKEEP; |
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} |
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} |
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} |
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if (chld && n->child) |
if (chld && n->child) |
print_mdoc_nodelist(p, &npair, m, n->child); |
print_mdoc_nodelist(p, &npair, m, n->child); |
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term_fontpopq(p, font); |
term_fontpopq(p, font); |
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if (MDOC_TEXT != n->type) |
if (MDOC_TEXT != n->type && termacts[n->tok].post && |
if (termacts[n->tok].post) |
! (MDOC_ENDED & n->flags)) { |
(*termacts[n->tok].post)(p, &npair, m, n); |
(void)(*termacts[n->tok].post)(p, &npair, m, n); |
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/* |
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* Explicit end tokens not only call the post |
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* handler, but also tell the respective block |
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* that it must not call the post handler again. |
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*/ |
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if (ENDBODY_NOT != n->end) |
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n->pending->flags |= MDOC_ENDED; |
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/* |
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* End of line terminating an implicit block |
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* while an explicit block is still open. |
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* Continue the explicit block without spacing. |
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*/ |
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if (ENDBODY_NOSPACE == n->end) |
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p->flags |= TERMP_NOSPACE; |
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} |
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if (MDOC_EOS & n->flags) |
if (MDOC_EOS & n->flags) |
p->flags |= TERMP_SENTENCE; |
p->flags |= TERMP_SENTENCE; |
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Line 511 a2offs(const struct termp *p, const char *v) |
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Line 543 a2offs(const struct termp *p, const char *v) |
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/* |
/* |
* Return 1 if an argument has a particular argument value or 0 if it |
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* does not. See arg_getattr(). |
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*/ |
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static int |
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arg_hasattr(int arg, const struct mdoc_node *n) |
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{ |
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return(-1 != arg_getattr(arg, n)); |
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} |
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/* |
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* Get the index of an argument in a node's argument list or -1 if it |
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* does not exist. |
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*/ |
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static int |
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arg_getattr(int v, const struct mdoc_node *n) |
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{ |
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int i; |
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if (NULL == n->args) |
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return(0); |
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for (i = 0; i < (int)n->args->argc; i++) |
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if (n->args->argv[i].arg == v) |
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return(i); |
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return(-1); |
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} |
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/* |
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* Determine how much space to print out before block elements of `It' |
* 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, |
* (and thus `Bl') and `Bd'. And then go ahead and print that space, |
* too. |
* too. |
Line 556 print_bvspace(struct termp *p, |
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Line 556 print_bvspace(struct termp *p, |
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term_newln(p); |
term_newln(p); |
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if (MDOC_Bd == bl->tok && bl->data.Bd.comp) |
if (MDOC_Bd == bl->tok && bl->data.Bd->comp) |
return; |
return; |
if (MDOC_Bl == bl->tok && bl->data.Bl.comp) |
if (MDOC_Bl == bl->tok && bl->data.Bl->comp) |
return; |
return; |
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/* Do not vspace directly after Ss/Sh. */ |
/* Do not vspace directly after Ss/Sh. */ |
Line 577 print_bvspace(struct termp *p, |
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Line 577 print_bvspace(struct termp *p, |
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/* A `-column' does not assert vspace within the list. */ |
/* A `-column' does not assert vspace within the list. */ |
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if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type) |
if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type) |
if (n->prev && MDOC_It == n->prev->tok) |
if (n->prev && MDOC_It == n->prev->tok) |
return; |
return; |
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/* A `-diag' without body does not vspace. */ |
/* A `-diag' without body does not vspace. */ |
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if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type) |
if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type) |
if (n->prev && MDOC_It == n->prev->tok) { |
if (n->prev && MDOC_It == n->prev->tok) { |
assert(n->prev->body); |
assert(n->prev->body); |
if (NULL == n->prev->body->child) |
if (NULL == n->prev->body->child) |
Line 627 termp_it_pre(DECL_ARGS) |
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Line 627 termp_it_pre(DECL_ARGS) |
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{ |
{ |
const struct mdoc_node *bl, *nn; |
const struct mdoc_node *bl, *nn; |
char buf[7]; |
char buf[7]; |
int i, col; |
int i; |
size_t width, offset, ncols, dcol; |
size_t width, offset, ncols, dcol; |
enum mdoc_list type; |
enum mdoc_list type; |
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Line 637 termp_it_pre(DECL_ARGS) |
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Line 637 termp_it_pre(DECL_ARGS) |
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} |
} |
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bl = n->parent->parent->parent; |
bl = n->parent->parent->parent; |
type = bl->data.Bl.type; |
assert(bl->data.Bl); |
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type = bl->data.Bl->type; |
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/* |
/* |
* First calculate width and offset. This is pretty easy unless |
* First calculate width and offset. This is pretty easy unless |
Line 647 termp_it_pre(DECL_ARGS) |
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Line 648 termp_it_pre(DECL_ARGS) |
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width = offset = 0; |
width = offset = 0; |
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if (bl->data.Bl.offs) |
if (bl->data.Bl->offs) |
offset = a2offs(p, bl->data.Bl.offs); |
offset = a2offs(p, bl->data.Bl->offs); |
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switch (type) { |
switch (type) { |
case (LIST_column): |
case (LIST_column): |
if (MDOC_HEAD == n->type) |
if (MDOC_HEAD == n->type) |
break; |
break; |
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col = arg_getattr(MDOC_Column, bl); |
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/* |
/* |
* Imitate groff's column handling: |
* Imitate groff's column handling: |
* - For each earlier column, add its width. |
* - For each earlier column, add its width. |
Line 666 termp_it_pre(DECL_ARGS) |
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Line 665 termp_it_pre(DECL_ARGS) |
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* column. |
* column. |
* - For more than 5 columns, add only one column. |
* - For more than 5 columns, add only one column. |
*/ |
*/ |
ncols = bl->args->argv[col].sz; |
ncols = bl->data.Bl->ncols; |
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/* LINTED */ |
/* LINTED */ |
dcol = ncols < 5 ? term_len(p, 4) : |
dcol = ncols < 5 ? term_len(p, 4) : |
ncols == 5 ? term_len(p, 3) : term_len(p, 1); |
ncols == 5 ? term_len(p, 3) : term_len(p, 1); |
Line 680 termp_it_pre(DECL_ARGS) |
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Line 680 termp_it_pre(DECL_ARGS) |
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nn->prev && i < (int)ncols; |
nn->prev && i < (int)ncols; |
nn = nn->prev, i++) |
nn = nn->prev, i++) |
offset += dcol + a2width |
offset += dcol + a2width |
(p, bl->args->argv[col].value[i]); |
(p, bl->data.Bl->cols[i]); |
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/* |
/* |
* When exceeding the declared number of columns, leave |
* When exceeding the declared number of columns, leave |
Line 695 termp_it_pre(DECL_ARGS) |
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Line 695 termp_it_pre(DECL_ARGS) |
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* Use the declared column widths, extended as explained |
* Use the declared column widths, extended as explained |
* in the preceding paragraph. |
* in the preceding paragraph. |
*/ |
*/ |
width = a2width(p, bl->args->argv[col].value[i]) + dcol; |
width = a2width(p, bl->data.Bl->cols[i]) + dcol; |
break; |
break; |
default: |
default: |
if (NULL == bl->data.Bl.width) |
if (NULL == bl->data.Bl->width) |
break; |
break; |
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/* |
/* |
Line 706 termp_it_pre(DECL_ARGS) |
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Line 706 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->data.Bl.width); |
assert(bl->data.Bl->width); |
width = a2width(p, bl->data.Bl.width) + term_len(p, 2); |
width = a2width(p, bl->data.Bl->width) + term_len(p, 2); |
break; |
break; |
} |
} |
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Line 969 termp_it_post(DECL_ARGS) |
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Line 969 termp_it_post(DECL_ARGS) |
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if (MDOC_BLOCK == n->type) |
if (MDOC_BLOCK == n->type) |
return; |
return; |
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type = n->parent->parent->parent->data.Bl.type; |
type = n->parent->parent->parent->data.Bl->type; |
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switch (type) { |
switch (type) { |
case (LIST_item): |
case (LIST_item): |
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termp_nm_pre(DECL_ARGS) |
termp_nm_pre(DECL_ARGS) |
{ |
{ |
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if (NULL == n->child && NULL == m->name) |
if (MDOC_BLOCK == n->type) |
return(1); |
return(1); |
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if (MDOC_BODY == n->type) { |
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if (NULL == n->child) |
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return(0); |
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p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; |
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p->offset += term_len(p, 1) + |
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(NULL == n->prev->child ? term_strlen(p, m->name) : |
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MDOC_TEXT == n->prev->child->type ? |
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term_strlen(p, n->prev->child->string) : |
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term_len(p, 5)); |
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return(1); |
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} |
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if (NULL == n->child && NULL == m->name) |
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return(0); |
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synopsis_pre(p, n); |
synopsis_pre(p, n); |
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if (MDOC_HEAD == n->type && n->next->child) { |
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p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG; |
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p->rmargin = p->offset + term_len(p, 1) + |
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(NULL == n->child ? term_strlen(p, m->name) : |
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MDOC_TEXT == n->child->type ? |
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term_strlen(p, n->child->string) : |
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term_len(p, 5)); |
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} |
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term_fontpush(p, TERMFONT_BOLD); |
term_fontpush(p, TERMFONT_BOLD); |
if (NULL == n->child) |
if (NULL == n->child) |
term_word(p, m->name); |
term_word(p, m->name); |
Line 1021 termp_nm_pre(DECL_ARGS) |
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Line 1045 termp_nm_pre(DECL_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
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static void |
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termp_nm_post(DECL_ARGS) |
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{ |
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if (MDOC_HEAD == n->type && n->next->child) { |
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term_flushln(p); |
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p->flags &= ~(TERMP_NOBREAK | TERMP_HANG); |
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} else if (MDOC_BODY == n->type && n->child) { |
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term_flushln(p); |
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p->flags &= ~TERMP_NOLPAD; |
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} |
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} |
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/* ARGSUSED */ |
static int |
static int |
termp_fl_pre(DECL_ARGS) |
termp_fl_pre(DECL_ARGS) |
{ |
{ |
Line 1084 termp_an_post(DECL_ARGS) |
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Line 1123 termp_an_post(DECL_ARGS) |
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return; |
return; |
} |
} |
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if (arg_hasattr(MDOC_Split, n)) { |
if (AUTH_split == n->data.An.auth) { |
p->flags &= ~TERMP_NOSPLIT; |
p->flags &= ~TERMP_NOSPLIT; |
p->flags |= TERMP_SPLIT; |
p->flags |= TERMP_SPLIT; |
} else { |
} else if (AUTH_nosplit == n->data.An.auth) { |
p->flags &= ~TERMP_SPLIT; |
p->flags &= ~TERMP_SPLIT; |
p->flags |= TERMP_NOSPLIT; |
p->flags |= TERMP_NOSPLIT; |
} |
} |
Line 1591 termp_bd_pre(DECL_ARGS) |
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Line 1630 termp_bd_pre(DECL_ARGS) |
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} else if (MDOC_HEAD == n->type) |
} else if (MDOC_HEAD == n->type) |
return(0); |
return(0); |
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if (n->data.Bd.offs) |
assert(n->data.Bd); |
p->offset += a2offs(p, n->data.Bd.offs); |
if (n->data.Bd->offs) |
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p->offset += a2offs(p, n->data.Bd->offs); |
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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 1602 termp_bd_pre(DECL_ARGS) |
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Line 1642 termp_bd_pre(DECL_ARGS) |
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* lines are allowed. |
* lines are allowed. |
*/ |
*/ |
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if (DISP_literal != n->data.Bd.type && |
if (DISP_literal != n->data.Bd->type && |
DISP_unfilled != n->data.Bd.type) |
DISP_unfilled != n->data.Bd->type) |
return(1); |
return(1); |
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tabwidth = p->tabwidth; |
tabwidth = p->tabwidth; |
Line 1640 termp_bd_post(DECL_ARGS) |
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Line 1680 termp_bd_post(DECL_ARGS) |
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rm = p->rmargin; |
rm = p->rmargin; |
rmax = p->maxrmargin; |
rmax = p->maxrmargin; |
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if (DISP_literal == n->data.Bd.type || |
assert(n->data.Bd); |
DISP_unfilled == n->data.Bd.type) |
if (DISP_literal == n->data.Bd->type || |
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DISP_unfilled == n->data.Bd->type) |
p->rmargin = p->maxrmargin = TERM_MAXMARGIN; |
p->rmargin = p->maxrmargin = TERM_MAXMARGIN; |
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p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
Line 1864 termp_sp_pre(DECL_ARGS) |
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Line 1905 termp_sp_pre(DECL_ARGS) |
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len = 0; |
len = 0; |
break; |
break; |
default: |
default: |
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assert(n->parent); |
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if ((NULL == n->next || NULL == n->prev) && |
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(MDOC_Ss == n->parent->tok || |
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MDOC_Sh == n->parent->tok)) |
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return(0); |
len = 1; |
len = 1; |
break; |
break; |
} |
} |
Line 1966 termp_fo_pre(DECL_ARGS) |
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Line 2012 termp_fo_pre(DECL_ARGS) |
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return(1); |
return(1); |
} |
} |
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if (NULL == n->child) |
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return(0); |
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/* XXX: we drop non-initial arguments as per groff. */ |
/* XXX: we drop non-initial arguments as per groff. */ |
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assert(n->child); |
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assert(n->child->string); |
assert(n->child->string); |
term_fontpush(p, TERMFONT_BOLD); |
term_fontpush(p, TERMFONT_BOLD); |
term_word(p, n->child->string); |
term_word(p, n->child->string); |
Line 1998 termp_fo_post(DECL_ARGS) |
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Line 2046 termp_fo_post(DECL_ARGS) |
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static int |
static int |
termp_bf_pre(DECL_ARGS) |
termp_bf_pre(DECL_ARGS) |
{ |
{ |
const struct mdoc_node *nn; |
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if (MDOC_HEAD == n->type) |
if (MDOC_HEAD == n->type) |
return(0); |
return(0); |
else if (MDOC_BLOCK != n->type) |
else if (MDOC_BLOCK != n->type) |
return(1); |
return(1); |
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if (NULL == (nn = n->head->child)) { |
assert(n->data.Bf); |
if (arg_hasattr(MDOC_Emphasis, n)) |
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term_fontpush(p, TERMFONT_UNDER); |
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else if (arg_hasattr(MDOC_Symbolic, n)) |
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term_fontpush(p, TERMFONT_BOLD); |
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else |
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term_fontpush(p, TERMFONT_NONE); |
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return(1); |
if (FONT_Em == n->data.Bf->font) |
} |
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assert(MDOC_TEXT == nn->type); |
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if (0 == strcmp("Em", nn->string)) |
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term_fontpush(p, TERMFONT_UNDER); |
term_fontpush(p, TERMFONT_UNDER); |
else if (0 == strcmp("Sy", nn->string)) |
else if (FONT_Sy == n->data.Bf->font) |
term_fontpush(p, TERMFONT_BOLD); |
term_fontpush(p, TERMFONT_BOLD); |
else |
else |
term_fontpush(p, TERMFONT_NONE); |
term_fontpush(p, TERMFONT_NONE); |
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return(1); |
return(1); |
Line 2034 termp_sm_pre(DECL_ARGS) |
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Line 2071 termp_sm_pre(DECL_ARGS) |
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{ |
{ |
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assert(n->child && MDOC_TEXT == n->child->type); |
assert(n->child && MDOC_TEXT == n->child->type); |
if (0 == strcmp("on", n->child->string)) |
if (0 == strcmp("on", n->child->string)) { |
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if (p->col) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NONOSPACE; |
p->flags &= ~TERMP_NONOSPACE; |
else |
} else |
p->flags |= TERMP_NONOSPACE; |
p->flags |= TERMP_NONOSPACE; |
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return(0); |
return(0); |
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termp_bk_pre(DECL_ARGS) |
termp_bk_pre(DECL_ARGS) |
{ |
{ |
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p->flags |= TERMP_PREKEEP; |
switch (n->type) { |
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case (MDOC_BLOCK): |
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break; |
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case (MDOC_HEAD): |
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return(0); |
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case (MDOC_BODY): |
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p->flags |= TERMP_PREKEEP; |
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break; |
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default: |
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abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
termp_bk_post(DECL_ARGS) |
termp_bk_post(DECL_ARGS) |
{ |
{ |
|
|
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); |
if (MDOC_BODY == n->type) |
|
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); |
} |
} |
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |