version 1.3, 2009/03/27 13:44:24 |
version 1.6, 2009/04/02 06:51:44 |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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/* |
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* This has scanning/parsing routines, each of which extract a macro and |
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* its arguments and parameters, then know how to progress to the next |
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* macro. |
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*/ |
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/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
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enum mwarn { |
enum mwarn { |
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WIGNE, |
WIMPBRK, |
WIMPBRK, |
WMACPARM, |
WMACPARM, |
WOBS |
WOBS |
Line 237 pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn |
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Line 232 pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn |
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p = NULL; |
p = NULL; |
switch (type) { |
switch (type) { |
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case (WIGNE): |
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p = "ignoring empty element"; |
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break; |
case (WIMPBRK): |
case (WIMPBRK): |
p = "crufty end-of-line scope violation"; |
p = "crufty end-of-line scope violation"; |
break; |
break; |
Line 330 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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Line 328 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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{ |
{ |
int res; |
int res; |
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res = mdoc_tokhash_find(mdoc->htab, p); |
res = mdoc_hash_find(mdoc->htab, p); |
if (MDOC_PARSED & mdoc_macros[from].flags) |
if (MDOC_PARSED & mdoc_macros[from].flags) |
return(res); |
return(res); |
if (MDOC_MAX == res) |
if (MDOC_MAX == res) |
Line 800 blk_exp_close(MACRO_PROT_ARGS) |
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Line 798 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, c, w, cnt, d, call; |
int la, lastpunct, c, w, cnt, d, nc; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
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/* |
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* Whether we allow ignored elements (those without content, |
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* usually because of reserved words) to squeak by. |
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*/ |
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switch (tok) { |
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case (MDOC_Lp): |
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/* FALLTHROUGH */ |
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case (MDOC_Pp): |
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/* FALLTHROUGH */ |
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case (MDOC_Nm): |
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/* FALLTHROUGH */ |
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case (MDOC_Fl): |
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/* FALLTHROUGH */ |
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case (MDOC_Ar): |
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nc = 1; |
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break; |
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default: |
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nc = 0; |
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break; |
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} |
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for (la = ppos, arg = NULL;; ) { |
for (la = ppos, arg = NULL;; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
Line 821 in_line(MACRO_PROT_ARGS) |
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Line 840 in_line(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
} |
} |
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for (call = cnt = 0, lastpunct = 1;; ) { |
for (cnt = 0, lastpunct = 1;; ) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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Line 837 in_line(MACRO_PROT_ARGS) |
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Line 856 in_line(MACRO_PROT_ARGS) |
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c = ARGS_QWORD == w ? MDOC_MAX : |
c = ARGS_QWORD == w ? MDOC_MAX : |
lookup(mdoc, line, la, tok, p); |
lookup(mdoc, line, la, tok, p); |
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/* MDOC_MAX (not a macro) or -1 (error). */ |
/* |
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* In this case, we've located a submacro and must |
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* execute it. Close out scope, if open. If no |
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* elements have been generated, either create one (nc) |
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* or raise a warning. |
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*/ |
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if (MDOC_MAX != c && -1 != c) { |
if (MDOC_MAX != c && -1 != c) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
if (0 == cnt) { |
if (nc && 0 == cnt) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
tok, arg)) |
tok, arg)) |
return(0); |
return(0); |
if ( ! rew_elem(mdoc, tok)) |
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return(0); |
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mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} else if ( ! nc && 0 == cnt) |
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if ( ! pwarn(mdoc, line, ppos, WIGNE)) |
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return(0); |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
Line 859 in_line(MACRO_PROT_ARGS) |
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Line 883 in_line(MACRO_PROT_ARGS) |
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} else if (-1 == c) |
} else if (-1 == c) |
return(0); |
return(0); |
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/* Non-quote-enclosed punctuation. */ |
/* |
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* Non-quote-enclosed punctuation. Set up our scope, if |
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* a word; rewind the scope, if a delimiter; then append |
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* the word. |
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*/ |
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d = mdoc_isdelim(p); |
d = mdoc_isdelim(p); |
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Line 884 in_line(MACRO_PROT_ARGS) |
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Line 912 in_line(MACRO_PROT_ARGS) |
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if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
if (0 == cnt) { |
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/* |
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* If no elements have been collected and we're allowed to have |
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* empties (nc), open a scope and close it out. Otherwise, |
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* raise a warning. |
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* |
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*/ |
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if (nc && 0 == cnt) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
if ( ! rew_elem(mdoc, tok)) |
mdoc->next = MDOC_NEXT_SIBLING; |
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} else if ( ! nc && 0 == cnt) |
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if ( ! pwarn(mdoc, line, ppos, WIGNE)) |
return(0); |
return(0); |
} |
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if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(mdoc, line, pos, buf)); |
Line 1436 phrase(struct mdoc *mdoc, int line, int ppos, char *bu |
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Line 1473 phrase(struct mdoc *mdoc, int line, int ppos, char *bu |
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*/ |
*/ |
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c = quoted ? MDOC_MAX : |
c = quoted ? MDOC_MAX : |
mdoc_tokhash_find(mdoc->htab, &buf[la]); |
mdoc_hash_find(mdoc->htab, &buf[la]); |
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if (MDOC_MAX != c) { |
if (MDOC_MAX != c) { |
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |