version 1.56, 2010/05/07 05:54:09 |
version 1.66, 2010/05/15 06:48:13 |
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#include <time.h> |
#include <time.h> |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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#include "libmandoc.h" |
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enum rew { |
enum rew { |
REWIND_REWIND, |
REWIND_REWIND, |
Line 45 static int obsolete(MACRO_PROT_ARGS); |
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Line 46 static int obsolete(MACRO_PROT_ARGS); |
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static int append_delims(struct mdoc *, |
static int append_delims(struct mdoc *, |
int, int *, char *); |
int, int *, char *); |
static enum mdoct lookup(int, const char *); |
static enum mdoct lookup(enum mdoct, const char *); |
static enum mdoct lookup_raw(const char *); |
static enum mdoct lookup_raw(const char *); |
static int phrase(struct mdoc *, int, int, char *); |
static int phrase(struct mdoc *, int, int, |
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char *, enum margserr); |
static enum mdoct rew_alt(enum mdoct); |
static enum mdoct rew_alt(enum mdoct); |
static int rew_dobreak(enum mdoct, |
static int rew_dobreak(enum mdoct, |
const struct mdoc_node *); |
const struct mdoc_node *); |
Line 267 mdoc_macroend(struct mdoc *m) |
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Line 269 mdoc_macroend(struct mdoc *m) |
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* Look up a macro from within a subsequent context. |
* Look up a macro from within a subsequent context. |
*/ |
*/ |
static enum mdoct |
static enum mdoct |
lookup(int from, const char *p) |
lookup(enum mdoct from, const char *p) |
{ |
{ |
/* FIXME: make -diag lists be un-PARSED. */ |
/* FIXME: make -diag lists be un-PARSED. */ |
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Line 283 lookup(int from, const char *p) |
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Line 285 lookup(int from, const char *p) |
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static enum mdoct |
static enum mdoct |
lookup_raw(const char *p) |
lookup_raw(const char *p) |
{ |
{ |
int res; |
enum mdoct res; |
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if (MDOC_MAX == (res = mdoc_hash_find(p))) |
if (MDOC_MAX == (res = mdoc_hash_find(p))) |
return(MDOC_MAX); |
return(MDOC_MAX); |
Line 620 rew_sub(enum mdoc_type t, struct mdoc *m, |
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Line 622 rew_sub(enum mdoc_type t, struct mdoc *m, |
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static int |
static int |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
append_delims(struct mdoc *m, int line, int *pos, char *buf) |
{ |
{ |
int lastarg; |
int la; |
enum margserr ac; |
enum margserr ac; |
char *p; |
char *p; |
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if (0 == buf[*pos]) |
if ('\0' == buf[*pos]) |
return(1); |
return(1); |
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for (;;) { |
for (;;) { |
lastarg = *pos; |
la = *pos; |
ac = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p); |
ac = mdoc_zargs(m, line, pos, buf, ARGS_NOWARN, &p); |
assert(ARGS_PHRASE != ac); |
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if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
else if (ARGS_EOLN == ac) |
else if (ARGS_EOLN == ac) |
break; |
break; |
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assert(mdoc_isdelim(p)); |
assert(mdoc_isdelim(p)); |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
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/* |
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* If we encounter end-of-sentence symbols, then trigger |
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* the double-space. |
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* |
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* XXX: it's easy to allow this to propogate outward to |
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* the last symbol, such that `. )' will cause the |
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* correct double-spacing. However, (1) groff isn't |
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* smart enough to do this and (2) it would require |
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* knowing which symbols break this behaviour, for |
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* example, `. ;' shouldn't propogate the double-space. |
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*/ |
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if (mandoc_eos(p, strlen(p))) |
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m->last->flags |= MDOC_EOS; |
} |
} |
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return(1); |
return(1); |
Line 653 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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Line 669 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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static int |
static int |
blk_exp_close(MACRO_PROT_ARGS) |
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
int j, lastarg, maxargs, flushed; |
int j, lastarg, maxargs, flushed, nl; |
enum margserr ac; |
enum margserr ac; |
enum mdoct ntok; |
enum mdoct ntok; |
char *p; |
char *p; |
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nl = MDOC_NEWLINE & m->flags; |
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switch (tok) { |
switch (tok) { |
case (MDOC_Ec): |
case (MDOC_Ec): |
maxargs = 1; |
maxargs = 1; |
Line 723 blk_exp_close(MACRO_PROT_ARGS) |
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Line 741 blk_exp_close(MACRO_PROT_ARGS) |
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if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
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if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 732 blk_exp_close(MACRO_PROT_ARGS) |
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Line 750 blk_exp_close(MACRO_PROT_ARGS) |
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static int |
static int |
in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
int la, lastpunct, cnt, d, nc; |
int la, lastpunct, cnt, d, nc, nl; |
enum margverr av; |
enum margverr av; |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
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nl = MDOC_NEWLINE & m->flags; |
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/* |
/* |
* Whether we allow ignored elements (those without content, |
* Whether we allow ignored elements (those without content, |
* usually because of reserved words) to squeak by. |
* usually because of reserved words) to squeak by. |
Line 815 in_line(MACRO_PROT_ARGS) |
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Line 835 in_line(MACRO_PROT_ARGS) |
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} |
} |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 875 in_line(MACRO_PROT_ARGS) |
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Line 895 in_line(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
} |
} |
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if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 884 in_line(MACRO_PROT_ARGS) |
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Line 904 in_line(MACRO_PROT_ARGS) |
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static int |
static int |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
struct mdoc_node *head; /* save of head macro */ |
struct mdoc_node *head; /* save of head macro */ |
struct mdoc_node *body; /* save of body macro */ |
struct mdoc_node *body; /* save of body macro */ |
Line 892 blk_full(MACRO_PROT_ARGS) |
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Line 912 blk_full(MACRO_PROT_ARGS) |
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struct mdoc_node *n; |
struct mdoc_node *n; |
#endif |
#endif |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac, lac; |
enum margverr av; |
enum margverr av; |
char *p; |
char *p; |
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nl = MDOC_NEWLINE & m->flags; |
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/* Close out prior implicit scope. */ |
/* Close out prior implicit scope. */ |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
Line 953 blk_full(MACRO_PROT_ARGS) |
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Line 975 blk_full(MACRO_PROT_ARGS) |
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body = m->last; |
body = m->last; |
} |
} |
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for (;;) { |
ac = ARGS_ERROR; |
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for ( ; ; ) { |
la = *pos; |
la = *pos; |
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lac = ac; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
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if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
Line 962 blk_full(MACRO_PROT_ARGS) |
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Line 987 blk_full(MACRO_PROT_ARGS) |
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if (ARGS_EOLN == ac) |
if (ARGS_EOLN == ac) |
break; |
break; |
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if (ARGS_PEND == ac) { |
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if (ARGS_PPHRASE == lac) |
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ac = ARGS_PPHRASE; |
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else |
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ac = ARGS_PHRASE; |
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} |
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/* Don't emit leading punct. for phrases. */ |
/* Don't emit leading punct. for phrases. */ |
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if (NULL == head && ARGS_PHRASE != ac && |
if (NULL == head && |
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ARGS_PHRASE != ac && |
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ARGS_PPHRASE != ac && |
ARGS_QWORD != ac && |
ARGS_QWORD != ac && |
1 == mdoc_isdelim(p)) { |
1 == mdoc_isdelim(p)) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
Line 974 blk_full(MACRO_PROT_ARGS) |
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Line 1008 blk_full(MACRO_PROT_ARGS) |
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/* Always re-open head for phrases. */ |
/* Always re-open head for phrases. */ |
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if (NULL == head || ARGS_PHRASE == ac) { |
if (NULL == head || |
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ARGS_PHRASE == ac || |
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ARGS_PPHRASE == ac) { |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
head = m->last; |
head = m->last; |
} |
} |
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if (ARGS_PHRASE == ac) { |
if (ARGS_PHRASE == ac || ARGS_PPHRASE == ac) { |
if ( ! phrase(m, line, la, buf)) |
if (ARGS_PPHRASE == ac) |
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m->flags |= MDOC_PPHRASE; |
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if ( ! phrase(m, line, la, buf, ac)) |
return(0); |
return(0); |
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m->flags &= ~MDOC_PPHRASE; |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
continue; |
continue; |
Line 1007 blk_full(MACRO_PROT_ARGS) |
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Line 1046 blk_full(MACRO_PROT_ARGS) |
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head = m->last; |
head = m->last; |
} |
} |
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if (1 == ppos && ! append_delims(m, line, pos, buf)) |
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
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/* If we've already opened our body, exit now. */ |
/* If we've already opened our body, exit now. */ |
Line 1047 blk_full(MACRO_PROT_ARGS) |
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Line 1086 blk_full(MACRO_PROT_ARGS) |
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static int |
static int |
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac; |
char *p; |
char *p; |
Line 1055 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1094 blk_part_imp(MACRO_PROT_ARGS) |
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struct mdoc_node *body; /* saved body context */ |
struct mdoc_node *body; /* saved body context */ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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nl = MDOC_NEWLINE & m->flags; |
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/* |
/* |
* A macro that spans to the end of the line. This is generally |
* A macro that spans to the end of the line. This is generally |
* (but not necessarily) called as the first macro. The block |
* (but not necessarily) called as the first macro. The block |
Line 1084 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1125 blk_part_imp(MACRO_PROT_ARGS) |
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la = *pos; |
la = *pos; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != ac); |
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if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == ac) |
if (ARGS_EOLN == ac) |
Line 1127 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1166 blk_part_imp(MACRO_PROT_ARGS) |
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body = m->last; |
body = m->last; |
} |
} |
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for (n = body->child; n && n->next; n = n->next) |
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/* Do nothing. */ ; |
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/* |
/* |
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* End of sentence spacing: if the last node is a text node and |
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* has a trailing period, then mark it as being end-of-sentence. |
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*/ |
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if (n && MDOC_TEXT == n->type && n->string) |
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if (mandoc_eos(n->string, strlen(n->string))) |
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n->flags |= MDOC_EOS; |
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/* Up-propogate the end-of-space flag. */ |
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if (n && (MDOC_EOS & n->flags)) { |
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body->flags |= MDOC_EOS; |
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body->parent->flags |= MDOC_EOS; |
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} |
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/* |
* If we can't rewind to our body, then our scope has already |
* If we can't rewind to our body, then our scope has already |
* been closed by another macro (like `Oc' closing `Op'). This |
* been closed by another macro (like `Oc' closing `Op'). This |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* crufty use of `Op' breakage. |
* crufty use of `Op' breakage. |
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* |
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* FIXME - this should be ifdef'd OpenBSD? |
*/ |
*/ |
for (n = m->last; n; n = n->parent) |
for (n = m->last; n; n = n->parent) |
if (body == n) |
if (body == n) |
Line 1145 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1205 blk_part_imp(MACRO_PROT_ARGS) |
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/* Standard appending of delimiters. */ |
/* Standard appending of delimiters. */ |
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if (1 == ppos && ! append_delims(m, line, pos, buf)) |
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
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/* Rewind scope, if applicable. */ |
/* Rewind scope, if applicable. */ |
Line 1160 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1220 blk_part_imp(MACRO_PROT_ARGS) |
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static int |
static int |
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
enum margserr ac; |
enum margserr ac; |
struct mdoc_node *head; /* keep track of head */ |
struct mdoc_node *head; /* keep track of head */ |
struct mdoc_node *body; /* keep track of body */ |
struct mdoc_node *body; /* keep track of body */ |
char *p; |
char *p; |
enum mdoct ntok; |
enum mdoct ntok; |
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nl = MDOC_NEWLINE & m->flags; |
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/* |
/* |
* The opening of an explicit macro having zero or more leading |
* The opening of an explicit macro having zero or more leading |
* punctuation nodes; a head with optional single element (the |
* punctuation nodes; a head with optional single element (the |
Line 1187 blk_part_exp(MACRO_PROT_ARGS) |
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Line 1249 blk_part_exp(MACRO_PROT_ARGS) |
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if (ARGS_EOLN == ac) |
if (ARGS_EOLN == ac) |
break; |
break; |
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assert(ARGS_PHRASE != ac); |
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/* Flush out leading punctuation. */ |
/* Flush out leading punctuation. */ |
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if (NULL == head && ARGS_QWORD != ac && |
if (NULL == head && ARGS_QWORD != ac && |
Line 1261 blk_part_exp(MACRO_PROT_ARGS) |
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Line 1321 blk_part_exp(MACRO_PROT_ARGS) |
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/* Standard appending of delimiters. */ |
/* Standard appending of delimiters. */ |
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if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
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return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
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/* ARGSUSED */ |
static int |
static int |
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int la, flushed, j, maxargs; |
int la, flushed, j, maxargs, nl; |
enum margserr ac; |
enum margserr ac; |
enum margverr av; |
enum margverr av; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
enum mdoct ntok; |
enum mdoct ntok; |
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nl = MDOC_NEWLINE & m->flags; |
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/* |
/* |
* A line macro that has a fixed number of arguments (maxargs). |
* A line macro that has a fixed number of arguments (maxargs). |
* Only open the scope once the first non-leading-punctuation is |
* Only open the scope once the first non-leading-punctuation is |
Line 1397 in_line_argn(MACRO_PROT_ARGS) |
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Line 1459 in_line_argn(MACRO_PROT_ARGS) |
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if ( ! flushed && ! rew_elem(m, tok)) |
if ( ! flushed && ! rew_elem(m, tok)) |
return(0); |
return(0); |
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if ( ! nl) |
if (ppos > 1) |
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return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 1474 in_line_eoln(MACRO_PROT_ARGS) |
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Line 1535 in_line_eoln(MACRO_PROT_ARGS) |
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static int |
static int |
ctx_synopsis(MACRO_PROT_ARGS) |
ctx_synopsis(MACRO_PROT_ARGS) |
{ |
{ |
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int nl; |
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nl = MDOC_NEWLINE & m->flags; |
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/* If we're not in the SYNOPSIS, go straight to in-line. */ |
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
if (SEC_SYNOPSIS != m->lastsec) |
if (SEC_SYNOPSIS != m->lastsec) |
return(in_line(m, tok, line, ppos, pos, buf)); |
return(in_line(m, tok, line, ppos, pos, buf)); |
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/* If we're a nested call, same place. */ |
/* If we're a nested call, same place. */ |
if (ppos > 1) |
if ( ! nl) |
return(in_line(m, tok, line, ppos, pos, buf)); |
return(in_line(m, tok, line, ppos, pos, buf)); |
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/* |
/* |
Line 1508 obsolete(MACRO_PROT_ARGS) |
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Line 1572 obsolete(MACRO_PROT_ARGS) |
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* macro is encountered. |
* macro is encountered. |
*/ |
*/ |
static int |
static int |
phrase(struct mdoc *m, int line, int ppos, char *buf) |
phrase(struct mdoc *m, int line, int ppos, char *buf, enum margserr ac) |
{ |
{ |
int la, pos; |
int la, pos; |
enum margserr ac; |
enum margserr aac; |
enum mdoct ntok; |
enum mdoct ntok; |
char *p; |
char *p; |
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assert(ARGS_PHRASE == ac || ARGS_PPHRASE == ac); |
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for (pos = ppos; ; ) { |
for (pos = ppos; ; ) { |
la = pos; |
la = pos; |
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/* Note: no calling context! */ |
aac = mdoc_zargs(m, line, &pos, buf, 0, &p); |
ac = mdoc_zargs(m, line, &pos, buf, 0, &p); |
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if (ARGS_ERROR == ac) |
if (ARGS_ERROR == aac) |
return(0); |
return(0); |
if (ARGS_EOLN == ac) |
if (ARGS_EOLN == aac) |
break; |
break; |
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ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
ntok = ARGS_QWORD == aac ? MDOC_MAX : lookup_raw(p); |
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if (MDOC_MAX == ntok) { |
if (MDOC_MAX == ntok) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |