-/* $Id: argv.c,v 1.1 2008/12/23 05:30:49 kristaps Exp $ */
+/* $Id: argv.c,v 1.17 2009/01/19 17:02:58 kristaps Exp $ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
#include "private.h"
-static int parse_next(struct mdoc *, int,
- int *, char *, char **);
+/* FIXME: .It called with -column and quoted arguments. */
+static int lookup(int, const char *);
+static int parse(struct mdoc *, int,
+ struct mdoc_arg *, int *, char *);
+static int parse_single(struct mdoc *, int,
+ struct mdoc_arg *, int *, char *);
+static int parse_multi(struct mdoc *, int,
+ struct mdoc_arg *, int *, char *);
+static int postparse(struct mdoc *, int,
+ const struct mdoc_arg *, int);
-static int
-parse_next(struct mdoc *mdoc, int tok,
- int *pos, char *buf, char **v)
+
+int
+mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v)
{
+ int i;
if (0 == buf[*pos])
- return(0);
+ return(ARGS_EOLN);
+
+ if ('\"' == buf[*pos] && ! (fl & ARGS_QUOTED))
+ if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_SYNTAX, "unexpected quoted parameter"))
+ return(ARGS_ERROR);
+
+ if ('-' == buf[*pos])
+ if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_SYNTAX, "argument-like parameter"))
+ return(ARGS_ERROR);
+
+ if ((fl & ARGS_DELIM) && mdoc_iscdelim(buf[*pos])) {
+ /*
+ * If ARGS_DELIM, return ARGS_PUNCT if only space-separated
+ * punctuation remains.
+ */
+ for (i = *pos; buf[i]; ) {
+ if ( ! mdoc_iscdelim(buf[i]))
+ break;
+ i++;
+ if (0 == buf[i] || ! isspace(buf[i]))
+ break;
+ i++;
+ while (buf[i] && isspace(buf[i]))
+ i++;
+ }
+ if (0 == buf[i]) {
+ *v = &buf[*pos];
+ return(ARGS_PUNCT);
+ }
+ }
+
+ /* Parse routine for non-quoted string. */
- if ('\"' != buf[*pos]) {
+ assert(*pos > 0);
+ if ('\"' != buf[*pos] || ! (ARGS_QUOTED & fl)) {
*v = &buf[*pos];
- while (buf[*pos] && ! isspace(buf[*pos]))
- (*pos)++;
+ /* FIXME: UGLY tab-sep processing. */
+
+ if (ARGS_TABSEP & fl)
+ while (buf[*pos]) {
+ if ('\t' == buf[*pos])
+ break;
+ if ('T' == buf[*pos]) {
+ (*pos)++;
+ if (0 == buf[*pos])
+ break;
+ if ('a' == buf[*pos]) {
+ buf[*pos - 1] = 0;
+ break;
+ }
+ }
+ (*pos)++;
+ }
+ else {
+ while (buf[*pos]) {
+ if (isspace(buf[*pos]))
+ if ('\\' != buf[*pos - 1])
+ break;
+ (*pos)++;
+ }
+ }
if (0 == buf[*pos])
- return(1);
+ return(ARGS_WORD);
buf[(*pos)++] = 0;
+
if (0 == buf[*pos])
- return(1);
+ return(ARGS_WORD);
- while (buf[*pos] && isspace(buf[*pos]))
- (*pos)++;
+ if ( ! (ARGS_TABSEP & fl))
+ while (buf[*pos] && isspace(buf[*pos]))
+ (*pos)++;
if (buf[*pos])
- return(1);
+ return(ARGS_WORD);
- if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN))
- return(-1);
- return(1);
- }
+ if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_COMPAT, "whitespace at end-of-line"))
+ return(ARGS_ERROR);
- if ('-' == buf[*pos])
- if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_ARGLIKE))
- return(-1);
+ return(ARGS_WORD);
+ }
+
+ /*
+ * If we're a quoted string (and quoted strings are allowed),
+ * then parse ahead to the next quote. If none's found, it's an
+ * error. After, parse to the next word.
+ */
*v = &buf[++(*pos)];
(*pos)++;
if (0 == buf[*pos]) {
- (void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_UNQUOTE);
- return(-1);
+ (void)mdoc_perr(mdoc, line, *pos, "unterminated quoted parameter");
+ return(ARGS_ERROR);
}
buf[(*pos)++] = 0;
if (0 == buf[*pos])
- return(1);
+ return(ARGS_WORD);
while (buf[*pos] && isspace(buf[*pos]))
(*pos)++;
if (buf[*pos])
- return(1);
+ return(ARGS_WORD);
- if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN))
- return(-1);
- return(1);
+ if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_COMPAT, "whitespace at end-of-line"))
+ return(ARGS_ERROR);
+
+ return(ARGS_WORD);
}
-int
-mdoc_argv_lookup(int tok, const char *argv)
+static int
+lookup(int tok, const char *argv)
{
switch (tok) {
- case (MDOC_Bl):
+ case (MDOC_An):
+ if (xstrcmp(argv, "split"))
+ return(MDOC_Split);
+ else if (xstrcmp(argv, "nosplit"))
+ return(MDOC_Nosplit);
+ break;
+
+ case (MDOC_Bd):
if (xstrcmp(argv, "ragged"))
return(MDOC_Ragged);
else if (xstrcmp(argv, "unfilled"))
return(MDOC_Unfilled);
+ else if (xstrcmp(argv, "filled"))
+ return(MDOC_Filled);
else if (xstrcmp(argv, "literal"))
return(MDOC_Literal);
else if (xstrcmp(argv, "file"))
return(MDOC_File);
else if (xstrcmp(argv, "offset"))
return(MDOC_Offset);
- else if (xstrcmp(argv, "bullet"))
+ break;
+
+ case (MDOC_Bf):
+ if (xstrcmp(argv, "emphasis"))
+ return(MDOC_Emphasis);
+ else if (xstrcmp(argv, "literal"))
+ return(MDOC_Literal);
+ else if (xstrcmp(argv, "symbolic"))
+ return(MDOC_Symbolic);
+ break;
+
+ case (MDOC_Bk):
+ if (xstrcmp(argv, "words"))
+ return(MDOC_Words);
+ break;
+
+ case (MDOC_Bl):
+ if (xstrcmp(argv, "bullet"))
return(MDOC_Bullet);
else if (xstrcmp(argv, "dash"))
return(MDOC_Dash);
return(MDOC_Column);
else if (xstrcmp(argv, "width"))
return(MDOC_Width);
+ else if (xstrcmp(argv, "offset"))
+ return(MDOC_Offset);
else if (xstrcmp(argv, "compact"))
return(MDOC_Compact);
-
break;
+
+ case (MDOC_Rv):
+ /* FALLTHROUGH */
+ case (MDOC_Ex):
+ if (xstrcmp(argv, "std"))
+ return(MDOC_Std);
+ break;
+
+ case (MDOC_St):
+ if (xstrcmp(argv, "p1003.1-88"))
+ return(MDOC_p1003_1_88);
+ else if (xstrcmp(argv, "p1003.1-90"))
+ return(MDOC_p1003_1_90);
+ else if (xstrcmp(argv, "p1003.1-96"))
+ return(MDOC_p1003_1_96);
+ else if (xstrcmp(argv, "p1003.1-2001"))
+ return(MDOC_p1003_1_2001);
+ else if (xstrcmp(argv, "p1003.1-2004"))
+ return(MDOC_p1003_1_2004);
+ else if (xstrcmp(argv, "p1003.1"))
+ return(MDOC_p1003_1);
+ else if (xstrcmp(argv, "p1003.1b"))
+ return(MDOC_p1003_1b);
+ else if (xstrcmp(argv, "p1003.1b-93"))
+ return(MDOC_p1003_1b_93);
+ else if (xstrcmp(argv, "p1003.1c-95"))
+ return(MDOC_p1003_1c_95);
+ else if (xstrcmp(argv, "p1003.1g-2000"))
+ return(MDOC_p1003_1g_2000);
+ else if (xstrcmp(argv, "p1003.2-92"))
+ return(MDOC_p1003_2_92);
+ else if (xstrcmp(argv, "p1003.2-95"))
+ return(MDOC_p1387_2_95);
+ else if (xstrcmp(argv, "p1003.2"))
+ return(MDOC_p1003_2);
+ else if (xstrcmp(argv, "p1387.2-95"))
+ return(MDOC_p1387_2);
+ else if (xstrcmp(argv, "isoC-90"))
+ return(MDOC_isoC_90);
+ else if (xstrcmp(argv, "isoC-amd1"))
+ return(MDOC_isoC_amd1);
+ else if (xstrcmp(argv, "isoC-tcor1"))
+ return(MDOC_isoC_tcor1);
+ else if (xstrcmp(argv, "isoC-tcor2"))
+ return(MDOC_isoC_tcor2);
+ else if (xstrcmp(argv, "isoC-99"))
+ return(MDOC_isoC_99);
+ else if (xstrcmp(argv, "ansiC"))
+ return(MDOC_ansiC);
+ else if (xstrcmp(argv, "ansiC-89"))
+ return(MDOC_ansiC_89);
+ else if (xstrcmp(argv, "ansiC-99"))
+ return(MDOC_ansiC_99);
+ else if (xstrcmp(argv, "ieee754"))
+ return(MDOC_ieee754);
+ else if (xstrcmp(argv, "iso8802-3"))
+ return(MDOC_iso8802_3);
+ else if (xstrcmp(argv, "xpg3"))
+ return(MDOC_xpg3);
+ else if (xstrcmp(argv, "xpg4"))
+ return(MDOC_xpg4);
+ else if (xstrcmp(argv, "xpg4.2"))
+ return(MDOC_xpg4_2);
+ else if (xstrcmp(argv, "xpg4.3"))
+ return(MDOC_xpg4_3);
+ else if (xstrcmp(argv, "xbd5"))
+ return(MDOC_xbd5);
+ else if (xstrcmp(argv, "xcu5"))
+ return(MDOC_xcu5);
+ else if (xstrcmp(argv, "xsh5"))
+ return(MDOC_xsh5);
+ else if (xstrcmp(argv, "xns5"))
+ return(MDOC_xns5);
+ else if (xstrcmp(argv, "xns5.2d2.0"))
+ return(MDOC_xns5_2d2_0);
+ else if (xstrcmp(argv, "xcurses4.2"))
+ return(MDOC_xcurses4_2);
+ else if (xstrcmp(argv, "susv2"))
+ return(MDOC_susv2);
+ else if (xstrcmp(argv, "susv3"))
+ return(MDOC_susv3);
+ else if (xstrcmp(argv, "svid4"))
+ return(MDOC_svid4);
+ break;
+
default:
- abort();
- /* NOTREACHED */
+ break;
}
return(MDOC_ARG_MAX);
}
-int
-mdoc_argv_parse(struct mdoc *mdoc, int tok, int arg,
+static int
+postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
+{
+
+ switch (v->arg) {
+ case (MDOC_Offset):
+ assert(v->value);
+ assert(v->value[0]);
+ if (xstrcmp(v->value[0], "left"))
+ break;
+ if (xstrcmp(v->value[0], "right"))
+ break;
+ if (xstrcmp(v->value[0], "center"))
+ break;
+ if (xstrcmp(v->value[0], "indent"))
+ break;
+ if (xstrcmp(v->value[0], "indent-two"))
+ break;
+ return(mdoc_perr(mdoc, line, pos, "invalid offset value"));
+ default:
+ break;
+ }
+
+ return(1);
+}
+
+
+static int
+parse_multi(struct mdoc *mdoc, int line,
struct mdoc_arg *v, int *pos, char *buf)
{
+ int c, ppos;
char *p;
- int c, ppos, i;
- v->arg = arg;
+ v->sz = 0;
+ v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *));
+
ppos = *pos;
- switch (arg) {
- case(MDOC_Compact):
- /* FALLTHROUGH */
- case(MDOC_Ragged):
- /* FALLTHROUGH */
- case(MDOC_Unfilled):
- /* FALLTHROUGH */
- case(MDOC_Literal):
- /* FALLTHROUGH */
- case(MDOC_File):
- /* FALLTHROUGH */
- case(MDOC_Bullet):
- /* FALLTHROUGH */
- case(MDOC_Dash):
- /* FALLTHROUGH */
- case(MDOC_Hyphen):
- /* FALLTHROUGH */
- case(MDOC_Item):
- /* FALLTHROUGH */
- case(MDOC_Enum):
- /* FALLTHROUGH */
- case(MDOC_Tag):
- /* FALLTHROUGH */
- case(MDOC_Diag):
- /* FALLTHROUGH */
- case(MDOC_Hang):
- /* FALLTHROUGH */
- case(MDOC_Ohang):
- /* FALLTHROUGH */
- case(MDOC_Inset):
- v->sz = 0;
- v->value = NULL;
- break;
+ for (v->sz = 0; v->sz < MDOC_LINEARG_MAX; v->sz++) {
+ if ('-' == buf[*pos])
+ break;
+ c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
+ if (ARGS_ERROR == c) {
+ free(v->value);
+ return(0);
+ } else if (ARGS_EOLN == c)
+ break;
+ v->value[v->sz] = p;
+ }
+
+ if (0 < v->sz && v->sz < MDOC_LINEARG_MAX)
+ return(1);
+
+ free(v->value);
+ return(mdoc_perr(mdoc, line, ppos, 0 == v->sz ?
+ "argument requires a value" :
+ "too many values to argument"));
+}
+
+
+static int
+parse_single(struct mdoc *mdoc, int line,
+ struct mdoc_arg *v, int *pos, char *buf)
+{
+ int c, ppos;
+ char *p;
+ ppos = *pos;
+
+ c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
+ if (ARGS_ERROR == c)
+ return(0);
+ if (ARGS_EOLN == c)
+ return(mdoc_perr(mdoc, line, ppos, "argument requires a value"));
+
+ v->sz = 1;
+ v->value = xcalloc(1, sizeof(char *));
+ v->value[0] = p;
+ return(1);
+}
+
+
+static int
+parse(struct mdoc *mdoc, int line,
+ struct mdoc_arg *v, int *pos, char *buf)
+{
+
+ v->sz = 0;
+ v->value = NULL;
+
+ switch (v->arg) {
+ case(MDOC_Std):
+ /* FALLTHROUGH */
case(MDOC_Width):
/* FALLTHROUGH */
case(MDOC_Offset):
- /*
- * This has a single value for an argument.
- */
- c = parse_next(mdoc, tok, pos, buf, &p);
- if (-1 == c)
- return(0);
- else if (0 == c)
- return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGVAL));
-
- v->sz = 1;
- v->value = xcalloc(1, sizeof(char *));
- v->value[0] = p;
+ return(parse_single(mdoc, line, v, pos, buf));
+ case(MDOC_Column):
+ return(parse_multi(mdoc, line, v, pos, buf));
+ default:
break;
+ }
- case(MDOC_Column):
- /*
- * This has several value for a single argument. We
- * pre-allocate a pointer array and don't let it exceed
- * this size.
- */
- v->sz = 0;
- v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *));
- for (i = 0; i < MDOC_LINEARG_MAX; i++) {
- c = parse_next(mdoc, tok, pos, buf, &p);
- if (-1 == c) {
- free(v->value);
- return(0);
- } else if (0 == c)
+ return(1);
+}
+
+
+int
+mdoc_argv(struct mdoc *mdoc, int line, int tok,
+ struct mdoc_arg *v, int *pos, char *buf)
+{
+ int i, ppos;
+ char *argv;
+
+ (void)memset(v, 0, sizeof(struct mdoc_arg));
+
+ if (0 == buf[*pos])
+ return(ARGV_EOLN);
+
+ assert( ! isspace(buf[*pos]));
+
+ if ('-' != buf[*pos])
+ return(ARGV_WORD);
+
+ i = *pos;
+ argv = &buf[++(*pos)];
+
+ v->line = line;
+ v->pos = *pos;
+
+ assert(*pos > 0);
+ while (buf[*pos]) {
+ if (isspace(buf[*pos]))
+ if ('\\' != buf[*pos - 1])
break;
- v->value[i] = p;
- }
- if (0 == i) {
- free(v->value);
- return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGVAL));
- } else if (MDOC_LINEARG_MAX == i)
- return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGMANY));
+ (*pos)++;
+ }
- v->sz = i;
- break;
- default:
- abort();
- /* NOTREACHED */
+ if (buf[*pos])
+ buf[(*pos)++] = 0;
+
+ if (MDOC_ARG_MAX == (v->arg = lookup(tok, argv))) {
+ if ( ! mdoc_pwarn(mdoc, line, i, WARN_SYNTAX, "argument-like parameter"))
+ return(ARGV_ERROR);
+ return(ARGV_WORD);
}
- return(1);
+ while (buf[*pos] && isspace(buf[*pos]))
+ (*pos)++;
+
+ /* FIXME: whitespace if no value. */
+
+ ppos = *pos;
+ if ( ! parse(mdoc, line, v, pos, buf))
+ return(ARGV_ERROR);
+ if ( ! postparse(mdoc, line, v, ppos))
+ return(ARGV_ERROR);
+
+ return(ARGV_ARG);
}
free(arg[i].value);
}
}
+
git.ckatri.com / mandoc.git / blobdiff