version 1.42, 2012/11/17 00:26:33 |
version 1.50, 2013/05/29 15:40:22 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011, 2012, 2013 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 |
Line 43 static int cond_body(DECL_ARGS); |
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Line 43 static int cond_body(DECL_ARGS); |
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static int cond_head(DECL_ARGS); |
static int cond_head(DECL_ARGS); |
static void font_push(char); |
static void font_push(char); |
static void font_pop(void); |
static void font_pop(void); |
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static void mid_it(void); |
static void post__t(DECL_ARGS); |
static void post__t(DECL_ARGS); |
static void post_bd(DECL_ARGS); |
static void post_bd(DECL_ARGS); |
static void post_bf(DECL_ARGS); |
static void post_bf(DECL_ARGS); |
Line 251 static int outflags; |
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Line 252 static int outflags; |
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#define MMAN_PP (1 << 5) /* reset indentation etc. */ |
#define MMAN_PP (1 << 5) /* reset indentation etc. */ |
#define MMAN_Sm (1 << 6) /* horizontal spacing mode */ |
#define MMAN_Sm (1 << 6) /* horizontal spacing mode */ |
#define MMAN_Bk (1 << 7) /* word keep mode */ |
#define MMAN_Bk (1 << 7) /* word keep mode */ |
#define MMAN_An_split (1 << 8) /* author mode is "split" */ |
#define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */ |
#define MMAN_An_nosplit (1 << 9) /* author mode is "nosplit" */ |
#define MMAN_An_split (1 << 9) /* author mode is "split" */ |
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#define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */ |
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#define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */ |
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#define BL_STACK_MAX 32 |
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static size_t Bl_stack[BL_STACK_MAX]; /* offsets [chars] */ |
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static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */ |
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static int Bl_stack_len; /* number of nested Bl blocks */ |
static int TPremain; /* characters before tag is full */ |
static int TPremain; /* characters before tag is full */ |
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static struct { |
static struct { |
Line 299 print_word(const char *s) |
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Line 307 print_word(const char *s) |
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* If we need a newline, print it now and start afresh. |
* If we need a newline, print it now and start afresh. |
*/ |
*/ |
if (MMAN_PP & outflags) { |
if (MMAN_PP & outflags) { |
if ( ! (MMAN_sp & outflags)) |
if (MMAN_sp & outflags) { |
printf("\n.sp -1v"); |
if (MMAN_PD & outflags) { |
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printf("\n.PD"); |
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outflags &= ~MMAN_PD; |
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} |
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} else if ( ! (MMAN_PD & outflags)) { |
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printf("\n.PD 0"); |
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outflags |= MMAN_PD; |
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} |
printf("\n.PP\n"); |
printf("\n.PP\n"); |
} else if (MMAN_sp & outflags) |
} else if (MMAN_sp & outflags) |
printf("\n.sp\n"); |
printf("\n.sp\n"); |
Line 321 print_word(const char *s) |
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Line 336 print_word(const char *s) |
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*/ |
*/ |
if (MMAN_spc_force & outflags || '\0' == s[0] || |
if (MMAN_spc_force & outflags || '\0' == s[0] || |
NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) { |
NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) { |
if (MMAN_Bk & outflags) { |
if (MMAN_Bk & outflags && |
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! (MMAN_Bk_susp & outflags)) |
putchar('\\'); |
putchar('\\'); |
putchar('~'); |
putchar(' '); |
} else |
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putchar(' '); |
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if (TPremain) |
if (TPremain) |
TPremain--; |
TPremain--; |
} |
} |
Line 340 print_word(const char *s) |
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Line 354 print_word(const char *s) |
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outflags |= MMAN_spc; |
outflags |= MMAN_spc; |
else |
else |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc_force; |
outflags &= ~(MMAN_spc_force | MMAN_Bk_susp); |
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for ( ; *s; s++) { |
for ( ; *s; s++) { |
switch (*s) { |
switch (*s) { |
case (ASCII_NBRSP): |
case (ASCII_NBRSP): |
printf("\\~"); |
printf("\\ "); |
break; |
break; |
case (ASCII_HYPH): |
case (ASCII_HYPH): |
putchar('-'); |
putchar('-'); |
Line 374 print_block(const char *s, int newflags) |
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Line 388 print_block(const char *s, int newflags) |
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{ |
{ |
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outflags &= ~MMAN_PP; |
outflags &= ~MMAN_PP; |
if (MMAN_sp & outflags) |
if (MMAN_sp & outflags) { |
outflags &= ~(MMAN_sp | MMAN_br); |
outflags &= ~(MMAN_sp | MMAN_br); |
else |
if (MMAN_PD & outflags) { |
print_line(".sp -1v", 0); |
print_line(".PD", 0); |
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outflags &= ~MMAN_PD; |
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} |
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} else if (! (MMAN_PD & outflags)) |
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print_line(".PD 0", MMAN_PD); |
outflags |= MMAN_nl; |
outflags |= MMAN_nl; |
print_word(s); |
print_word(s); |
outflags |= newflags; |
outflags |= MMAN_Bk_susp | newflags; |
} |
} |
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static void |
static void |
Line 390 print_offs(const char *v) |
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Line 408 print_offs(const char *v) |
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struct roffsu su; |
struct roffsu su; |
size_t sz; |
size_t sz; |
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print_line(".RS", MMAN_Bk_susp); |
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/* Convert v into a number (of characters). */ |
if (NULL == v || '\0' == *v || 0 == strcmp(v, "left")) |
if (NULL == v || '\0' == *v || 0 == strcmp(v, "left")) |
sz = 0; |
sz = 0; |
else if (0 == strcmp(v, "indent")) |
else if (0 == strcmp(v, "indent")) |
Line 397 print_offs(const char *v) |
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Line 418 print_offs(const char *v) |
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else if (0 == strcmp(v, "indent-two")) |
else if (0 == strcmp(v, "indent-two")) |
sz = 12; |
sz = 12; |
else if (a2roffsu(v, &su, SCALE_MAX)) { |
else if (a2roffsu(v, &su, SCALE_MAX)) { |
print_word(v); |
if (SCALE_EN == su.unit) |
return; |
sz = su.scale; |
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else { |
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/* |
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* XXX |
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* If we are inside an enclosing list, |
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* there is no easy way to add the two |
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* indentations because they are provided |
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* in terms of different units. |
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*/ |
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print_word(v); |
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outflags |= MMAN_nl; |
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return; |
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} |
} else |
} else |
sz = strlen(v); |
sz = strlen(v); |
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/* |
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* We are inside an enclosing list. |
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* Add the two indentations. |
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*/ |
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if (Bl_stack_len) |
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sz += Bl_stack[Bl_stack_len - 1]; |
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snprintf(buf, sizeof(buf), "%ldn", sz); |
snprintf(buf, sizeof(buf), "%ldn", sz); |
print_word(buf); |
print_word(buf); |
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outflags |= MMAN_nl; |
} |
} |
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/* |
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* Set up the indentation for a list item; used from pre_it(). |
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*/ |
void |
void |
print_width(const char *v, const struct mdoc_node *child, size_t defsz) |
print_width(const char *v, const struct mdoc_node *child, size_t defsz) |
{ |
{ |
Line 416 print_width(const char *v, const struct mdoc_node *chi |
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Line 460 print_width(const char *v, const struct mdoc_node *chi |
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numeric = 1; |
numeric = 1; |
remain = 0; |
remain = 0; |
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/* Convert v into a number (of characters). */ |
if (NULL == v) |
if (NULL == v) |
sz = defsz; |
sz = defsz; |
else if (a2roffsu(v, &su, SCALE_MAX)) { |
else if (a2roffsu(v, &su, SCALE_MAX)) { |
Line 432 print_width(const char *v, const struct mdoc_node *chi |
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Line 478 print_width(const char *v, const struct mdoc_node *chi |
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chsz = (NULL != child && MDOC_TEXT == child->type) ? |
chsz = (NULL != child && MDOC_TEXT == child->type) ? |
strlen(child->string) : 0; |
strlen(child->string) : 0; |
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/* Maybe we are inside an enclosing list? */ |
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mid_it(); |
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/* |
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* Save our own indentation, |
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* such that child lists can use it. |
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*/ |
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Bl_stack[Bl_stack_len++] = sz + 2; |
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/* Set up the current list. */ |
if (defsz && chsz > sz) |
if (defsz && chsz > sz) |
print_block(".HP", 0); |
print_block(".HP", 0); |
else { |
else { |
Line 477 man_mdoc(void *arg, const struct mdoc *mdoc) |
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Line 533 man_mdoc(void *arg, const struct mdoc *mdoc) |
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meta = mdoc_meta(mdoc); |
meta = mdoc_meta(mdoc); |
n = mdoc_node(mdoc); |
n = mdoc_node(mdoc); |
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printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"", |
printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n", |
meta->title, meta->msec, meta->date, |
meta->title, meta->msec, meta->date, |
meta->os, meta->vol); |
meta->os, meta->vol); |
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/* Disable hyphenation and if nroff, disable justification. */ |
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printf(".nh\n.if n .ad l"); |
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outflags = MMAN_nl | MMAN_Sm; |
outflags = MMAN_nl | MMAN_Sm; |
if (0 == fontqueue.size) { |
if (0 == fontqueue.size) { |
fontqueue.size = 8; |
fontqueue.size = 8; |
Line 497 print_node(DECL_ARGS) |
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Line 556 print_node(DECL_ARGS) |
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const struct mdoc_node *prev, *sub; |
const struct mdoc_node *prev, *sub; |
const struct manact *act; |
const struct manact *act; |
int cond, do_sub; |
int cond, do_sub; |
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/* |
/* |
* Break the line if we were parsed subsequent the current node. |
* Break the line if we were parsed subsequent the current node. |
* This makes the page structure be more consistent. |
* This makes the page structure be more consistent. |
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pre_sect(DECL_ARGS) |
pre_sect(DECL_ARGS) |
{ |
{ |
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if (MDOC_HEAD != n->type) |
switch (n->type) { |
return(1); |
case (MDOC_HEAD): |
outflags |= MMAN_sp; |
outflags |= MMAN_sp; |
print_block(manacts[n->tok].prefix, 0); |
print_block(manacts[n->tok].prefix, 0); |
print_word(""); |
print_word(""); |
putchar('\"'); |
putchar('\"'); |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc; |
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break; |
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case (MDOC_BODY): |
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if (MDOC_Sh == n->tok) { |
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if (MDOC_SYNPRETTY & n->flags) |
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outflags |= MMAN_Bk; |
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else |
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outflags &= ~MMAN_Bk; |
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} |
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break; |
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default: |
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break; |
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} |
return(1); |
return(1); |
} |
} |
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Line 758 pre_bd(DECL_ARGS) |
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Line 829 pre_bd(DECL_ARGS) |
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print_line(".nf", 0); |
print_line(".nf", 0); |
if (0 == n->norm->Bd.comp && NULL != n->parent->prev) |
if (0 == n->norm->Bd.comp && NULL != n->parent->prev) |
outflags |= MMAN_sp; |
outflags |= MMAN_sp; |
print_line(".RS", 0); |
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print_offs(n->norm->Bd.offs); |
print_offs(n->norm->Bd.offs); |
outflags |= MMAN_nl; |
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return(1); |
return(1); |
} |
} |
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post_bd(DECL_ARGS) |
post_bd(DECL_ARGS) |
{ |
{ |
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/* Close out this display. */ |
print_line(".RE", MMAN_nl); |
print_line(".RE", MMAN_nl); |
if (DISP_unfilled == n->norm->Bd.type || |
if (DISP_unfilled == n->norm->Bd.type || |
DISP_literal == n->norm->Bd.type) |
DISP_literal == n->norm->Bd.type) |
print_line(".fi", MMAN_nl); |
print_line(".fi", MMAN_nl); |
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/* Maybe we are inside an enclosing list? */ |
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if (NULL != n->parent->next) |
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mid_it(); |
} |
} |
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static int |
static int |
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post_bk(DECL_ARGS) |
post_bk(DECL_ARGS) |
{ |
{ |
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if (MDOC_BODY == n->type) |
if (MDOC_BODY == n->type && ! (MDOC_SYNPRETTY & n->flags)) |
outflags &= ~MMAN_Bk; |
outflags &= ~MMAN_Bk; |
} |
} |
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Line 836 pre_bl(DECL_ARGS) |
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Line 910 pre_bl(DECL_ARGS) |
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{ |
{ |
size_t icol; |
size_t icol; |
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/* |
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* print_offs() will increase the -offset to account for |
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* a possible enclosing .It, but any enclosed .It blocks |
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* just nest and do not add up their indentation. |
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*/ |
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if (n->norm->Bl.offs) { |
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print_offs(n->norm->Bl.offs); |
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Bl_stack[Bl_stack_len++] = 0; |
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} |
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switch (n->norm->Bl.type) { |
switch (n->norm->Bl.type) { |
case (LIST_enum): |
case (LIST_enum): |
n->norm->Bl.count = 0; |
n->norm->Bl.count = 0; |
Line 868 post_bl(DECL_ARGS) |
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Line 952 post_bl(DECL_ARGS) |
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default: |
default: |
break; |
break; |
} |
} |
outflags |= MMAN_PP | MMAN_nl; |
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outflags &= ~(MMAN_sp | MMAN_br); |
if (n->norm->Bl.offs) { |
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print_line(".RE", MMAN_nl); |
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assert(Bl_stack_len); |
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Bl_stack_len--; |
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assert(0 == Bl_stack[Bl_stack_len]); |
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} else { |
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outflags |= MMAN_PP | MMAN_nl; |
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outflags &= ~(MMAN_sp | MMAN_br); |
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} |
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/* Maybe we are inside an enclosing list? */ |
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if (NULL != n->parent->next) |
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mid_it(); |
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} |
} |
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static int |
static int |
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pre_dl(DECL_ARGS) |
pre_dl(DECL_ARGS) |
{ |
{ |
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print_line(".RS 6n", MMAN_nl); |
print_offs("6n"); |
return(1); |
return(1); |
} |
} |
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Line 913 post_dl(DECL_ARGS) |
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Line 1010 post_dl(DECL_ARGS) |
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{ |
{ |
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print_line(".RE", MMAN_nl); |
print_line(".RE", MMAN_nl); |
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/* Maybe we are inside an enclosing list? */ |
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if (NULL != n->parent->next) |
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mid_it(); |
} |
} |
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static int |
static int |
Line 978 pre_fl(DECL_ARGS) |
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Line 1079 pre_fl(DECL_ARGS) |
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{ |
{ |
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font_push('B'); |
font_push('B'); |
print_word("-"); |
print_word("\\-"); |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc; |
return(1); |
return(1); |
} |
} |
Line 1175 pre_it(DECL_ARGS) |
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Line 1276 pre_it(DECL_ARGS) |
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return(1); |
return(1); |
} |
} |
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/* |
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* This function is called after closing out an indented block. |
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* If we are inside an enclosing list, restore its indentation. |
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*/ |
static void |
static void |
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mid_it(void) |
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{ |
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char buf[24]; |
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/* Nothing to do outside a list. */ |
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if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1]) |
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return; |
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/* The indentation has already been set up. */ |
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if (Bl_stack_post[Bl_stack_len - 1]) |
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return; |
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/* Restore the indentation of the enclosing list. */ |
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print_line(".RS", MMAN_Bk_susp); |
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snprintf(buf, sizeof(buf), "%ldn", Bl_stack[Bl_stack_len - 1]); |
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print_word(buf); |
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/* Remeber to close out this .RS block later. */ |
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Bl_stack_post[Bl_stack_len - 1] = 1; |
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} |
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static void |
post_it(DECL_ARGS) |
post_it(DECL_ARGS) |
{ |
{ |
const struct mdoc_node *bln; |
const struct mdoc_node *bln; |
Line 1197 post_it(DECL_ARGS) |
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Line 1324 post_it(DECL_ARGS) |
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} |
} |
break; |
break; |
case (MDOC_BODY): |
case (MDOC_BODY): |
if (LIST_column == bln->norm->Bl.type && |
switch (bln->norm->Bl.type) { |
NULL != n->next) { |
case (LIST_bullet): |
putchar('\t'); |
/* FALLTHROUGH */ |
outflags &= ~MMAN_spc; |
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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/* FALLTHROUGH */ |
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case (LIST_hang): |
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/* FALLTHROUGH */ |
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case (LIST_tag): |
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assert(Bl_stack_len); |
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Bl_stack[--Bl_stack_len] = 0; |
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/* |
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* Our indentation had to be restored |
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* after a child display or child list. |
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* Close out that indentation block now. |
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*/ |
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if (Bl_stack_post[Bl_stack_len]) { |
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print_line(".RE", MMAN_nl); |
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Bl_stack_post[Bl_stack_len] = 0; |
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} |
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break; |
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case (LIST_column): |
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if (NULL != n->next) { |
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putchar('\t'); |
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outflags &= ~MMAN_spc; |
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} |
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break; |
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default: |
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break; |
} |
} |
break; |
break; |
default: |
default: |
Line 1420 pre_ux(DECL_ARGS) |
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Line 1576 pre_ux(DECL_ARGS) |
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if (NULL == n->child) |
if (NULL == n->child) |
return(0); |
return(0); |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc; |
print_word("\\~"); |
print_word("\\ "); |
outflags &= ~MMAN_spc; |
outflags &= ~MMAN_spc; |
return(1); |
return(1); |
} |
} |