version 1.32, 2009/03/01 23:14:15 |
version 1.39, 2009/03/04 13:57:35 |
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#include "term.h" |
#include "term.h" |
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#define INDENT 6 |
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/* |
/* |
* Performs actions on nodes of the abstract syntax tree. Both pre- and |
* Performs actions on nodes of the abstract syntax tree. Both pre- and |
* post-fix operations are defined here. |
* post-fix operations are defined here. |
*/ |
*/ |
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/* FIXME: indent/tab. */ |
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/* FIXME: macro arguments can be escaped. */ |
/* FIXME: macro arguments can be escaped. */ |
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#define TTYPE_PROG 0 |
#define TTYPE_PROG 0 |
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#define TTYPE_INCLUDE 15 |
#define TTYPE_INCLUDE 15 |
#define TTYPE_SYMB 16 |
#define TTYPE_SYMB 16 |
#define TTYPE_SYMBOL 17 |
#define TTYPE_SYMBOL 17 |
#define TTYPE_NMAX 18 |
#define TTYPE_DIAG 18 |
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#define TTYPE_NMAX 19 |
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/* |
/* |
* These define "styles" for element types, like command arguments or |
* These define "styles" for element types, like command arguments or |
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* the same thing (like .Ex -std cmd and .Nm cmd). |
* the same thing (like .Ex -std cmd and .Nm cmd). |
*/ |
*/ |
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/* TODO: abstract this into mdocterm.c. */ |
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const int ttypes[TTYPE_NMAX] = { |
const int ttypes[TTYPE_NMAX] = { |
TERMP_BOLD, /* TTYPE_PROG */ |
TERMP_BOLD, /* TTYPE_PROG */ |
TERMP_BOLD, /* TTYPE_CMD_FLAG */ |
TERMP_BOLD, /* TTYPE_CMD_FLAG */ |
Line 79 const int ttypes[TTYPE_NMAX] = { |
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Line 79 const int ttypes[TTYPE_NMAX] = { |
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TERMP_BOLD, /* TTYPE_CMD */ |
TERMP_BOLD, /* TTYPE_CMD */ |
TERMP_BOLD, /* TTYPE_INCLUDE */ |
TERMP_BOLD, /* TTYPE_INCLUDE */ |
TERMP_BOLD, /* TTYPE_SYMB */ |
TERMP_BOLD, /* TTYPE_SYMB */ |
TERMP_BOLD /* TTYPE_SYMBOL */ |
TERMP_BOLD, /* TTYPE_SYMBOL */ |
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TERMP_BOLD /* TTYPE_DIAG */ |
}; |
}; |
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static int arg_hasattr(int, size_t, |
static int arg_hasattr(int, size_t, |
Line 88 static int arg_getattr(int, size_t, |
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Line 89 static int arg_getattr(int, size_t, |
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const struct mdoc_arg *); |
const struct mdoc_arg *); |
static size_t arg_offset(const struct mdoc_arg *); |
static size_t arg_offset(const struct mdoc_arg *); |
static size_t arg_width(const struct mdoc_arg *); |
static size_t arg_width(const struct mdoc_arg *); |
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static int arg_listtype(const struct mdoc_node *); |
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/* |
/* |
* What follows describes prefix and postfix operations for the abstract |
* What follows describes prefix and postfix operations for the abstract |
Line 307 arg_width(const struct mdoc_arg *arg) |
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Line 309 arg_width(const struct mdoc_arg *arg) |
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} |
} |
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static int |
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arg_listtype(const struct mdoc_node *n) |
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{ |
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const struct mdoc_block *bl; |
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int i, len; |
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bl = &n->data.block; |
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len = (int)bl->argc; |
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for (i = 0; i < len; i++) |
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switch (bl->argv[i].arg) { |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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/* FALLTHROUGH */ |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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return(bl->argv[i].arg); |
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default: |
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break; |
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} |
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errx(1, "list type not supported"); |
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/* NOTREACHED */ |
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} |
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static size_t |
static size_t |
arg_offset(const struct mdoc_arg *arg) |
arg_offset(const struct mdoc_arg *arg) |
{ |
{ |
Line 370 termp_dq_post(DECL_ARGS) |
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Line 410 termp_dq_post(DECL_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
termp_it_pre(DECL_ARGS) |
termp_it_pre_block(DECL_ARGS) |
{ |
{ |
const struct mdoc_node *n, *it; |
const struct mdoc_node *n; |
const struct mdoc_block *bl; |
const struct mdoc_block *bl; |
char buf[7], *tp; |
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int i, type; |
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size_t width, offset; |
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switch (node->type) { |
n = node->parent->parent; |
case (MDOC_BODY): |
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/* FALLTHROUGH */ |
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case (MDOC_HEAD): |
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it = node->parent; |
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break; |
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case (MDOC_BLOCK): |
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it = node; |
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break; |
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default: |
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return(1); |
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} |
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n = it->parent->parent; |
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bl = &n->data.block; |
bl = &n->data.block; |
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if (MDOC_BLOCK == node->type) { |
newln(p); |
newln(p); |
if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) |
if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) |
if (node->prev || n->prev) |
if (node->prev || n->prev) |
vspace(p); |
vspace(p); |
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return(1); |
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} |
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/* Get our list type. */ |
return(1); |
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} |
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for (type = -1, i = 0; i < (int)bl->argc; i++) |
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switch (bl->argv[i].arg) { |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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type = bl->argv[i].arg; |
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i = (int)bl->argc; |
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break; |
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default: |
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errx(1, "list type not supported"); |
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/* NOTREACHED */ |
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} |
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assert(-1 != type); |
/* ARGSUSED */ |
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static int |
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termp_it_pre(DECL_ARGS) |
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{ |
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const struct mdoc_block *bl; |
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char buf[7]; |
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int i, type; |
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size_t width, offset; |
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/* Save our existing (inherited) margin and offset. */ |
if (MDOC_BLOCK == node->type) |
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return(termp_it_pre_block(p, pair, meta, node)); |
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/* Get ptr to list block, type, etc. */ |
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bl = &node->parent->parent->parent->data.block; |
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type = arg_listtype(node->parent->parent->parent); |
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/* Save parent attributes. */ |
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pair->offset = p->offset; |
pair->offset = p->offset; |
pair->rmargin = p->rmargin; |
pair->rmargin = p->rmargin; |
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pair->flag = p->flags; |
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/* Get list width and offset. */ |
/* Get list width and offset. */ |
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Line 440 termp_it_pre(DECL_ARGS) |
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Line 458 termp_it_pre(DECL_ARGS) |
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i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
offset = i >= 0 ? arg_offset(&bl->argv[i]) : 0; |
offset = i >= 0 ? arg_offset(&bl->argv[i]) : 0; |
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/* Override the width. */ |
/* |
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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) { |
switch (type) { |
case (MDOC_Bullet): |
case (MDOC_Bullet): |
Line 450 termp_it_pre(DECL_ARGS) |
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Line 472 termp_it_pre(DECL_ARGS) |
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case (MDOC_Enum): |
case (MDOC_Enum): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Hyphen): |
case (MDOC_Hyphen): |
width = width > 6 ? width : 6; |
width = width > 4 ? width : 4; |
break; |
break; |
case (MDOC_Tag): |
case (MDOC_Tag): |
/* FIXME: auto-size. */ |
if (width) |
if (0 == width) |
break; |
errx(1, "need non-zero -width"); |
errx(1, "need non-zero %s for list type", |
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mdoc_argnames[MDOC_Width]); |
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default: |
break; |
break; |
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} |
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/* |
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* Whitespace control. Inset bodies need an initial space. |
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*/ |
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switch (type) { |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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if (MDOC_BODY == node->type) |
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p->flags &= ~TERMP_NOSPACE; |
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else |
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p->flags |= TERMP_NOSPACE; |
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break; |
default: |
default: |
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p->flags |= TERMP_NOSPACE; |
break; |
break; |
} |
} |
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/* Word-wrap control. */ |
/* |
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* Style flags. Diagnostic heads need TTYPE_DIAG. |
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*/ |
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p->flags |= TERMP_NOSPACE; |
switch (type) { |
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case (MDOC_Diag): |
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if (MDOC_HEAD == node->type) |
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p->flags |= ttypes[TTYPE_DIAG]; |
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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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* Pad and break control. This is the tricker part. Lists with |
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* set right-margins for the head get TERMP_NOBREAK because, if |
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* they overrun the margin, they wrap to the new margin. |
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* Correspondingly, the body for these types don't left-pad, as |
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* the head will pad out to to the right. |
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*/ |
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switch (type) { |
switch (type) { |
case (MDOC_Bullet): |
case (MDOC_Bullet): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 477 termp_it_pre(DECL_ARGS) |
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Line 534 termp_it_pre(DECL_ARGS) |
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case (MDOC_Tag): |
case (MDOC_Tag): |
if (MDOC_HEAD == node->type) |
if (MDOC_HEAD == node->type) |
p->flags |= TERMP_NOBREAK; |
p->flags |= TERMP_NOBREAK; |
else if (MDOC_BODY == node->type) |
else |
p->flags |= TERMP_NOLPAD; |
p->flags |= TERMP_NOLPAD; |
break; |
break; |
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case (MDOC_Diag): |
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if (MDOC_HEAD == node->type) |
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p->flags |= TERMP_NOBREAK; |
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break; |
default: |
default: |
break; |
break; |
} |
} |
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/* |
/* |
* Get a token to use as the HEAD lead-in. If NULL, we use the |
* Margin control. Set-head-width lists have their right |
* HEAD child. |
* margins shortened. The body for these lists has the offset |
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* necessarily lengthened. Everybody gets the offset. |
*/ |
*/ |
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tp = NULL; |
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if (MDOC_HEAD == node->type) { |
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if (arg_hasattr(MDOC_Bullet, bl->argc, bl->argv)) |
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tp = "\\[bu]"; |
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if (arg_hasattr(MDOC_Dash, bl->argc, bl->argv)) |
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tp = "\\-"; |
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if (arg_hasattr(MDOC_Enum, bl->argc, bl->argv)) { |
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(pair->ppair->ppair->count)++; |
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(void)snprintf(buf, sizeof(buf), "%d.", |
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pair->ppair->ppair->count); |
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tp = buf; |
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} |
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if (arg_hasattr(MDOC_Hyphen, bl->argc, bl->argv)) |
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tp = "\\-"; |
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} |
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/* Margin control. */ |
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p->offset += offset; |
p->offset += offset; |
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switch (type) { |
switch (type) { |
Line 522 termp_it_pre(DECL_ARGS) |
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Line 565 termp_it_pre(DECL_ARGS) |
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case (MDOC_Tag): |
case (MDOC_Tag): |
if (MDOC_HEAD == node->type) |
if (MDOC_HEAD == node->type) |
p->rmargin = p->offset + width; |
p->rmargin = p->offset + width; |
else if (MDOC_BODY == node->type) |
else |
p->offset += width; |
p->offset += width; |
break; |
/* FALLTHROUGH */ |
default: |
default: |
break; |
break; |
} |
} |
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if (NULL == tp) |
/* |
return(1); |
* The dash, hyphen, bullet and enum lists all have a special |
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* HEAD character. Print it now. |
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*/ |
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word(p, tp); |
if (MDOC_HEAD == node->type) |
return(0); |
switch (type) { |
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case (MDOC_Bullet): |
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word(p, "\\[bu]"); |
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break; |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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word(p, "\\-"); |
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break; |
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case (MDOC_Enum): |
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/* TODO: have a wordfmt or something. */ |
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(pair->ppair->ppair->count)++; |
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(void)snprintf(buf, sizeof(buf), "%d.", |
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pair->ppair->ppair->count); |
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word(p, buf); |
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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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* If we're not going to process our header children, indicate |
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* so here. |
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*/ |
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if (MDOC_HEAD == node->type) |
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switch (type) { |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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return(0); |
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default: |
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break; |
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} |
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return(1); |
} |
} |
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Line 541 termp_it_pre(DECL_ARGS) |
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Line 627 termp_it_pre(DECL_ARGS) |
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static void |
static void |
termp_it_post(DECL_ARGS) |
termp_it_post(DECL_ARGS) |
{ |
{ |
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int type; |
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if (MDOC_BODY != node->type && MDOC_HEAD != node->type) |
if (MDOC_BODY != node->type && MDOC_HEAD != node->type) |
return; |
return; |
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flushln(p); |
type = arg_listtype(node->parent->parent->parent); |
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switch (type) { |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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if (MDOC_BODY != node->type) |
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break; |
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flushln(p); |
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break; |
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default: |
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flushln(p); |
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break; |
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} |
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p->offset = pair->offset; |
p->offset = pair->offset; |
p->rmargin = pair->rmargin; |
p->rmargin = pair->rmargin; |
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p->flags = pair->flag; |
if (MDOC_HEAD == node->type) |
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p->flags &= ~TERMP_NOBREAK; |
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else if (MDOC_BODY == node->type) |
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p->flags &= ~TERMP_NOLPAD; |
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} |
} |
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termp_ft_pre(DECL_ARGS) |
termp_ft_pre(DECL_ARGS) |
{ |
{ |
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if (SEC_SYNOPSIS == node->sec) |
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if (node->prev && MDOC_Fo == node->prev->tok) |
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vspace(p); |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); |
return(1); |
return(1); |
} |
} |
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termp_ft_post(DECL_ARGS) |
termp_ft_post(DECL_ARGS) |
{ |
{ |
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if (node->sec == SEC_SYNOPSIS) |
if (SEC_SYNOPSIS == node->sec) |
newln(p); |
newln(p); |
} |
} |
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termp_bd_pre(DECL_ARGS) |
termp_bd_pre(DECL_ARGS) |
{ |
{ |
const struct mdoc_block *bl; |
const struct mdoc_block *bl; |
const struct mdoc_node *n; |
const struct mdoc_node *n; |
int i; |
int i, type; |
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if (MDOC_BLOCK == node->type) { |
if (MDOC_BLOCK == node->type) { |
if (node->prev) |
if (node->prev) |
Line 1060 termp_bd_pre(DECL_ARGS) |
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Line 1161 termp_bd_pre(DECL_ARGS) |
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} else if (MDOC_BODY != node->type) |
} else if (MDOC_BODY != node->type) |
return(1); |
return(1); |
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assert(MDOC_BLOCK == node->parent->type); |
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pair->offset = p->offset; |
pair->offset = p->offset; |
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bl = &node->parent->data.block; |
bl = &node->parent->data.block; |
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for (type = -1, i = 0; i < (int)bl->argc; i++) { |
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switch (bl->argv[i].arg) { |
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case (MDOC_Ragged): |
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/* FALLTHROUGH */ |
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case (MDOC_Filled): |
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/* FALLTHROUGH */ |
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case (MDOC_Unfilled): |
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/* FALLTHROUGH */ |
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case (MDOC_Literal): |
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type = bl->argv[i].arg; |
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i = (int)bl->argc; |
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break; |
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default: |
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errx(1, "display type not supported"); |
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} |
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} |
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assert(-1 != type); |
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i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); |
if (-1 != i) { |
if (-1 != i) { |
assert(1 == bl->argv[i].sz); |
assert(1 == bl->argv[i].sz); |
p->offset += arg_offset(&bl->argv[i]); |
p->offset += arg_offset(&bl->argv[i]); |
} |
} |
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switch (type) { |
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case (MDOC_Literal): |
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/* FALLTHROUGH */ |
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case (MDOC_Unfilled): |
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break; |
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default: |
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return(1); |
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} |
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p->flags |= TERMP_LITERAL; |
p->flags |= TERMP_LITERAL; |
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for (n = node->child; n; n = n->next) { |
for (n = node->child; n; n = n->next) { |
if (MDOC_TEXT != n->type) |
if (MDOC_TEXT != n->type) { |
errx(1, "non-text displays unsupported"); |
warnx("non-text children not yet allowed"); |
if ((*n->data.text.string)) { |
continue; |
word(p, n->data.text.string); |
} |
flushln(p); |
word(p, n->data.text.string); |
} else |
flushln(p); |
vspace(p); |
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} |
} |
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p->flags &= ~TERMP_LITERAL; |
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return(0); |
return(0); |
} |
} |
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Line 1096 termp_bd_post(DECL_ARGS) |
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Line 1221 termp_bd_post(DECL_ARGS) |
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if (MDOC_BODY != node->type) |
if (MDOC_BODY != node->type) |
return; |
return; |
newln(p); |
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if ( ! (p->flags & TERMP_LITERAL)) |
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flushln(p); |
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p->flags &= ~TERMP_LITERAL; |
p->offset = pair->offset; |
p->offset = pair->offset; |
} |
} |
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termp_bx_post(DECL_ARGS) |
termp_bx_post(DECL_ARGS) |
{ |
{ |
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p->flags |= TERMP_NOSPACE; |
if (node->child) |
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p->flags |= TERMP_NOSPACE; |
word(p, "BSD"); |
word(p, "BSD"); |
} |
} |
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Line 1292 termp_cd_pre(DECL_ARGS) |
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Line 1422 termp_cd_pre(DECL_ARGS) |
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{ |
{ |
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TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); |
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); |
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newln(p); |
return(1); |
return(1); |
} |
} |
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