summaryrefslogtreecommitdiff
path: root/usr/src/cmd/mandoc/mdoc_argv.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/cmd/mandoc/mdoc_argv.c')
-rw-r--r--usr/src/cmd/mandoc/mdoc_argv.c716
1 files changed, 716 insertions, 0 deletions
diff --git a/usr/src/cmd/mandoc/mdoc_argv.c b/usr/src/cmd/mandoc/mdoc_argv.c
new file mode 100644
index 0000000000..08386e09b1
--- /dev/null
+++ b/usr/src/cmd/mandoc/mdoc_argv.c
@@ -0,0 +1,716 @@
+/* $Id: mdoc_argv.c,v 1.82 2012/03/23 05:50:24 kristaps Exp $ */
+/*
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "mdoc.h"
+#include "mandoc.h"
+#include "libmdoc.h"
+#include "libmandoc.h"
+
+#define MULTI_STEP 5 /* pre-allocate argument values */
+#define DELIMSZ 6 /* max possible size of a delimiter */
+
+enum argsflag {
+ ARGSFL_NONE = 0,
+ ARGSFL_DELIM, /* handle delimiters of [[::delim::][ ]+]+ */
+ ARGSFL_TABSEP /* handle tab/`Ta' separated phrases */
+};
+
+enum argvflag {
+ ARGV_NONE, /* no args to flag (e.g., -split) */
+ ARGV_SINGLE, /* one arg to flag (e.g., -file xxx) */
+ ARGV_MULTI, /* multiple args (e.g., -column xxx yyy) */
+ ARGV_OPT_SINGLE /* optional arg (e.g., -offset [xxx]) */
+};
+
+struct mdocarg {
+ enum argsflag flags;
+ const enum mdocargt *argvs;
+};
+
+static void argn_free(struct mdoc_arg *, int);
+static enum margserr args(struct mdoc *, int, int *,
+ char *, enum argsflag, char **);
+static int args_checkpunct(const char *, int);
+static int argv_multi(struct mdoc *, int,
+ struct mdoc_argv *, int *, char *);
+static int argv_opt_single(struct mdoc *, int,
+ struct mdoc_argv *, int *, char *);
+static int argv_single(struct mdoc *, int,
+ struct mdoc_argv *, int *, char *);
+
+static const enum argvflag argvflags[MDOC_ARG_MAX] = {
+ ARGV_NONE, /* MDOC_Split */
+ ARGV_NONE, /* MDOC_Nosplit */
+ ARGV_NONE, /* MDOC_Ragged */
+ ARGV_NONE, /* MDOC_Unfilled */
+ ARGV_NONE, /* MDOC_Literal */
+ ARGV_SINGLE, /* MDOC_File */
+ ARGV_OPT_SINGLE, /* MDOC_Offset */
+ ARGV_NONE, /* MDOC_Bullet */
+ ARGV_NONE, /* MDOC_Dash */
+ ARGV_NONE, /* MDOC_Hyphen */
+ ARGV_NONE, /* MDOC_Item */
+ ARGV_NONE, /* MDOC_Enum */
+ ARGV_NONE, /* MDOC_Tag */
+ ARGV_NONE, /* MDOC_Diag */
+ ARGV_NONE, /* MDOC_Hang */
+ ARGV_NONE, /* MDOC_Ohang */
+ ARGV_NONE, /* MDOC_Inset */
+ ARGV_MULTI, /* MDOC_Column */
+ ARGV_OPT_SINGLE, /* MDOC_Width */
+ ARGV_NONE, /* MDOC_Compact */
+ ARGV_NONE, /* MDOC_Std */
+ ARGV_NONE, /* MDOC_Filled */
+ ARGV_NONE, /* MDOC_Words */
+ ARGV_NONE, /* MDOC_Emphasis */
+ ARGV_NONE, /* MDOC_Symbolic */
+ ARGV_NONE /* MDOC_Symbolic */
+};
+
+static const enum mdocargt args_Ex[] = {
+ MDOC_Std,
+ MDOC_ARG_MAX
+};
+
+static const enum mdocargt args_An[] = {
+ MDOC_Split,
+ MDOC_Nosplit,
+ MDOC_ARG_MAX
+};
+
+static const enum mdocargt args_Bd[] = {
+ MDOC_Ragged,
+ MDOC_Unfilled,
+ MDOC_Filled,
+ MDOC_Literal,
+ MDOC_File,
+ MDOC_Offset,
+ MDOC_Compact,
+ MDOC_Centred,
+ MDOC_ARG_MAX
+};
+
+static const enum mdocargt args_Bf[] = {
+ MDOC_Emphasis,
+ MDOC_Literal,
+ MDOC_Symbolic,
+ MDOC_ARG_MAX
+};
+
+static const enum mdocargt args_Bk[] = {
+ MDOC_Words,
+ MDOC_ARG_MAX
+};
+
+static const enum mdocargt args_Bl[] = {
+ MDOC_Bullet,
+ MDOC_Dash,
+ MDOC_Hyphen,
+ MDOC_Item,
+ MDOC_Enum,
+ MDOC_Tag,
+ MDOC_Diag,
+ MDOC_Hang,
+ MDOC_Ohang,
+ MDOC_Inset,
+ MDOC_Column,
+ MDOC_Width,
+ MDOC_Offset,
+ MDOC_Compact,
+ MDOC_Nested,
+ MDOC_ARG_MAX
+};
+
+static const struct mdocarg mdocargs[MDOC_MAX] = {
+ { ARGSFL_NONE, NULL }, /* Ap */
+ { ARGSFL_NONE, NULL }, /* Dd */
+ { ARGSFL_NONE, NULL }, /* Dt */
+ { ARGSFL_NONE, NULL }, /* Os */
+ { ARGSFL_NONE, NULL }, /* Sh */
+ { ARGSFL_NONE, NULL }, /* Ss */
+ { ARGSFL_NONE, NULL }, /* Pp */
+ { ARGSFL_DELIM, NULL }, /* D1 */
+ { ARGSFL_DELIM, NULL }, /* Dl */
+ { ARGSFL_NONE, args_Bd }, /* Bd */
+ { ARGSFL_NONE, NULL }, /* Ed */
+ { ARGSFL_NONE, args_Bl }, /* Bl */
+ { ARGSFL_NONE, NULL }, /* El */
+ { ARGSFL_NONE, NULL }, /* It */
+ { ARGSFL_DELIM, NULL }, /* Ad */
+ { ARGSFL_DELIM, args_An }, /* An */
+ { ARGSFL_DELIM, NULL }, /* Ar */
+ { ARGSFL_NONE, NULL }, /* Cd */
+ { ARGSFL_DELIM, NULL }, /* Cm */
+ { ARGSFL_DELIM, NULL }, /* Dv */
+ { ARGSFL_DELIM, NULL }, /* Er */
+ { ARGSFL_DELIM, NULL }, /* Ev */
+ { ARGSFL_NONE, args_Ex }, /* Ex */
+ { ARGSFL_DELIM, NULL }, /* Fa */
+ { ARGSFL_NONE, NULL }, /* Fd */
+ { ARGSFL_DELIM, NULL }, /* Fl */
+ { ARGSFL_DELIM, NULL }, /* Fn */
+ { ARGSFL_DELIM, NULL }, /* Ft */
+ { ARGSFL_DELIM, NULL }, /* Ic */
+ { ARGSFL_NONE, NULL }, /* In */
+ { ARGSFL_DELIM, NULL }, /* Li */
+ { ARGSFL_NONE, NULL }, /* Nd */
+ { ARGSFL_DELIM, NULL }, /* Nm */
+ { ARGSFL_DELIM, NULL }, /* Op */
+ { ARGSFL_NONE, NULL }, /* Ot */
+ { ARGSFL_DELIM, NULL }, /* Pa */
+ { ARGSFL_NONE, args_Ex }, /* Rv */
+ { ARGSFL_DELIM, NULL }, /* St */
+ { ARGSFL_DELIM, NULL }, /* Va */
+ { ARGSFL_DELIM, NULL }, /* Vt */
+ { ARGSFL_DELIM, NULL }, /* Xr */
+ { ARGSFL_NONE, NULL }, /* %A */
+ { ARGSFL_NONE, NULL }, /* %B */
+ { ARGSFL_NONE, NULL }, /* %D */
+ { ARGSFL_NONE, NULL }, /* %I */
+ { ARGSFL_NONE, NULL }, /* %J */
+ { ARGSFL_NONE, NULL }, /* %N */
+ { ARGSFL_NONE, NULL }, /* %O */
+ { ARGSFL_NONE, NULL }, /* %P */
+ { ARGSFL_NONE, NULL }, /* %R */
+ { ARGSFL_NONE, NULL }, /* %T */
+ { ARGSFL_NONE, NULL }, /* %V */
+ { ARGSFL_DELIM, NULL }, /* Ac */
+ { ARGSFL_NONE, NULL }, /* Ao */
+ { ARGSFL_DELIM, NULL }, /* Aq */
+ { ARGSFL_DELIM, NULL }, /* At */
+ { ARGSFL_DELIM, NULL }, /* Bc */
+ { ARGSFL_NONE, args_Bf }, /* Bf */
+ { ARGSFL_NONE, NULL }, /* Bo */
+ { ARGSFL_DELIM, NULL }, /* Bq */
+ { ARGSFL_DELIM, NULL }, /* Bsx */
+ { ARGSFL_DELIM, NULL }, /* Bx */
+ { ARGSFL_NONE, NULL }, /* Db */
+ { ARGSFL_DELIM, NULL }, /* Dc */
+ { ARGSFL_NONE, NULL }, /* Do */
+ { ARGSFL_DELIM, NULL }, /* Dq */
+ { ARGSFL_DELIM, NULL }, /* Ec */
+ { ARGSFL_NONE, NULL }, /* Ef */
+ { ARGSFL_DELIM, NULL }, /* Em */
+ { ARGSFL_NONE, NULL }, /* Eo */
+ { ARGSFL_DELIM, NULL }, /* Fx */
+ { ARGSFL_DELIM, NULL }, /* Ms */
+ { ARGSFL_DELIM, NULL }, /* No */
+ { ARGSFL_DELIM, NULL }, /* Ns */
+ { ARGSFL_DELIM, NULL }, /* Nx */
+ { ARGSFL_DELIM, NULL }, /* Ox */
+ { ARGSFL_DELIM, NULL }, /* Pc */
+ { ARGSFL_DELIM, NULL }, /* Pf */
+ { ARGSFL_NONE, NULL }, /* Po */
+ { ARGSFL_DELIM, NULL }, /* Pq */
+ { ARGSFL_DELIM, NULL }, /* Qc */
+ { ARGSFL_DELIM, NULL }, /* Ql */
+ { ARGSFL_NONE, NULL }, /* Qo */
+ { ARGSFL_DELIM, NULL }, /* Qq */
+ { ARGSFL_NONE, NULL }, /* Re */
+ { ARGSFL_NONE, NULL }, /* Rs */
+ { ARGSFL_DELIM, NULL }, /* Sc */
+ { ARGSFL_NONE, NULL }, /* So */
+ { ARGSFL_DELIM, NULL }, /* Sq */
+ { ARGSFL_NONE, NULL }, /* Sm */
+ { ARGSFL_DELIM, NULL }, /* Sx */
+ { ARGSFL_DELIM, NULL }, /* Sy */
+ { ARGSFL_DELIM, NULL }, /* Tn */
+ { ARGSFL_DELIM, NULL }, /* Ux */
+ { ARGSFL_DELIM, NULL }, /* Xc */
+ { ARGSFL_NONE, NULL }, /* Xo */
+ { ARGSFL_NONE, NULL }, /* Fo */
+ { ARGSFL_NONE, NULL }, /* Fc */
+ { ARGSFL_NONE, NULL }, /* Oo */
+ { ARGSFL_DELIM, NULL }, /* Oc */
+ { ARGSFL_NONE, args_Bk }, /* Bk */
+ { ARGSFL_NONE, NULL }, /* Ek */
+ { ARGSFL_NONE, NULL }, /* Bt */
+ { ARGSFL_NONE, NULL }, /* Hf */
+ { ARGSFL_NONE, NULL }, /* Fr */
+ { ARGSFL_NONE, NULL }, /* Ud */
+ { ARGSFL_NONE, NULL }, /* Lb */
+ { ARGSFL_NONE, NULL }, /* Lp */
+ { ARGSFL_DELIM, NULL }, /* Lk */
+ { ARGSFL_DELIM, NULL }, /* Mt */
+ { ARGSFL_DELIM, NULL }, /* Brq */
+ { ARGSFL_NONE, NULL }, /* Bro */
+ { ARGSFL_DELIM, NULL }, /* Brc */
+ { ARGSFL_NONE, NULL }, /* %C */
+ { ARGSFL_NONE, NULL }, /* Es */
+ { ARGSFL_NONE, NULL }, /* En */
+ { ARGSFL_NONE, NULL }, /* Dx */
+ { ARGSFL_NONE, NULL }, /* %Q */
+ { ARGSFL_NONE, NULL }, /* br */
+ { ARGSFL_NONE, NULL }, /* sp */
+ { ARGSFL_NONE, NULL }, /* %U */
+ { ARGSFL_NONE, NULL }, /* Ta */
+};
+
+
+/*
+ * Parse an argument from line text. This comes in the form of -key
+ * [value0...], which may either have a single mandatory value, at least
+ * one mandatory value, an optional single value, or no value.
+ */
+enum margverr
+mdoc_argv(struct mdoc *m, int line, enum mdoct tok,
+ struct mdoc_arg **v, int *pos, char *buf)
+{
+ char *p, sv;
+ struct mdoc_argv tmp;
+ struct mdoc_arg *arg;
+ const enum mdocargt *ap;
+
+ if ('\0' == buf[*pos])
+ return(ARGV_EOLN);
+ else if (NULL == (ap = mdocargs[tok].argvs))
+ return(ARGV_WORD);
+ else if ('-' != buf[*pos])
+ return(ARGV_WORD);
+
+ /* Seek to the first unescaped space. */
+
+ p = &buf[++(*pos)];
+
+ assert(*pos > 0);
+
+ for ( ; buf[*pos] ; (*pos)++)
+ if (' ' == buf[*pos] && '\\' != buf[*pos - 1])
+ break;
+
+ /*
+ * We want to nil-terminate the word to look it up (it's easier
+ * that way). But we may not have a flag, in which case we need
+ * to restore the line as-is. So keep around the stray byte,
+ * which we'll reset upon exiting (if necessary).
+ */
+
+ if ('\0' != (sv = buf[*pos]))
+ buf[(*pos)++] = '\0';
+
+ /*
+ * Now look up the word as a flag. Use temporary storage that
+ * we'll copy into the node's flags, if necessary.
+ */
+
+ memset(&tmp, 0, sizeof(struct mdoc_argv));
+
+ tmp.line = line;
+ tmp.pos = *pos;
+ tmp.arg = MDOC_ARG_MAX;
+
+ while (MDOC_ARG_MAX != (tmp.arg = *ap++))
+ if (0 == strcmp(p, mdoc_argnames[tmp.arg]))
+ break;
+
+ if (MDOC_ARG_MAX == tmp.arg) {
+ /*
+ * The flag was not found.
+ * Restore saved zeroed byte and return as a word.
+ */
+ if (sv)
+ buf[*pos - 1] = sv;
+ return(ARGV_WORD);
+ }
+
+ /* Read to the next word (the argument). */
+
+ while (buf[*pos] && ' ' == buf[*pos])
+ (*pos)++;
+
+ switch (argvflags[tmp.arg]) {
+ case (ARGV_SINGLE):
+ if ( ! argv_single(m, line, &tmp, pos, buf))
+ return(ARGV_ERROR);
+ break;
+ case (ARGV_MULTI):
+ if ( ! argv_multi(m, line, &tmp, pos, buf))
+ return(ARGV_ERROR);
+ break;
+ case (ARGV_OPT_SINGLE):
+ if ( ! argv_opt_single(m, line, &tmp, pos, buf))
+ return(ARGV_ERROR);
+ break;
+ case (ARGV_NONE):
+ break;
+ }
+
+ if (NULL == (arg = *v))
+ arg = *v = mandoc_calloc(1, sizeof(struct mdoc_arg));
+
+ arg->argc++;
+ arg->argv = mandoc_realloc
+ (arg->argv, arg->argc * sizeof(struct mdoc_argv));
+
+ memcpy(&arg->argv[(int)arg->argc - 1],
+ &tmp, sizeof(struct mdoc_argv));
+
+ return(ARGV_ARG);
+}
+
+void
+mdoc_argv_free(struct mdoc_arg *p)
+{
+ int i;
+
+ if (NULL == p)
+ return;
+
+ if (p->refcnt) {
+ --(p->refcnt);
+ if (p->refcnt)
+ return;
+ }
+ assert(p->argc);
+
+ for (i = (int)p->argc - 1; i >= 0; i--)
+ argn_free(p, i);
+
+ free(p->argv);
+ free(p);
+}
+
+static void
+argn_free(struct mdoc_arg *p, int iarg)
+{
+ struct mdoc_argv *arg;
+ int j;
+
+ arg = &p->argv[iarg];
+
+ if (arg->sz && arg->value) {
+ for (j = (int)arg->sz - 1; j >= 0; j--)
+ free(arg->value[j]);
+ free(arg->value);
+ }
+
+ for (--p->argc; iarg < (int)p->argc; iarg++)
+ p->argv[iarg] = p->argv[iarg+1];
+}
+
+enum margserr
+mdoc_zargs(struct mdoc *m, int line, int *pos, char *buf, char **v)
+{
+
+ return(args(m, line, pos, buf, ARGSFL_NONE, v));
+}
+
+enum margserr
+mdoc_args(struct mdoc *m, int line, int *pos,
+ char *buf, enum mdoct tok, char **v)
+{
+ enum argsflag fl;
+ struct mdoc_node *n;
+
+ fl = mdocargs[tok].flags;
+
+ if (MDOC_It != tok)
+ return(args(m, line, pos, buf, fl, v));
+
+ /*
+ * We know that we're in an `It', so it's reasonable to expect
+ * us to be sitting in a `Bl'. Someday this may not be the case
+ * (if we allow random `It's sitting out there), so provide a
+ * safe fall-back into the default behaviour.
+ */
+
+ for (n = m->last; n; n = n->parent)
+ if (MDOC_Bl == n->tok)
+ if (LIST_column == n->norm->Bl.type) {
+ fl = ARGSFL_TABSEP;
+ break;
+ }
+
+ return(args(m, line, pos, buf, fl, v));
+}
+
+static enum margserr
+args(struct mdoc *m, int line, int *pos,
+ char *buf, enum argsflag fl, char **v)
+{
+ char *p, *pp;
+ enum margserr rc;
+
+ if ('\0' == buf[*pos]) {
+ if (MDOC_PPHRASE & m->flags)
+ return(ARGS_EOLN);
+ /*
+ * If we're not in a partial phrase and the flag for
+ * being a phrase literal is still set, the punctuation
+ * is unterminated.
+ */
+ if (MDOC_PHRASELIT & m->flags)
+ mdoc_pmsg(m, line, *pos, MANDOCERR_BADQUOTE);
+
+ m->flags &= ~MDOC_PHRASELIT;
+ return(ARGS_EOLN);
+ }
+
+ *v = &buf[*pos];
+
+ if (ARGSFL_DELIM == fl)
+ if (args_checkpunct(buf, *pos))
+ return(ARGS_PUNCT);
+
+ /*
+ * First handle TABSEP items, restricted to `Bl -column'. This
+ * ignores conventional token parsing and instead uses tabs or
+ * `Ta' macros to separate phrases. Phrases are parsed again
+ * for arguments at a later phase.
+ */
+
+ if (ARGSFL_TABSEP == fl) {
+ /* Scan ahead to tab (can't be escaped). */
+ p = strchr(*v, '\t');
+ pp = NULL;
+
+ /* Scan ahead to unescaped `Ta'. */
+ if ( ! (MDOC_PHRASELIT & m->flags))
+ for (pp = *v; ; pp++) {
+ if (NULL == (pp = strstr(pp, "Ta")))
+ break;
+ if (pp > *v && ' ' != *(pp - 1))
+ continue;
+ if (' ' == *(pp + 2) || '\0' == *(pp + 2))
+ break;
+ }
+
+ /* By default, assume a phrase. */
+ rc = ARGS_PHRASE;
+
+ /*
+ * Adjust new-buffer position to be beyond delimiter
+ * mark (e.g., Ta -> end + 2).
+ */
+ if (p && pp) {
+ *pos += pp < p ? 2 : 1;
+ rc = pp < p ? ARGS_PHRASE : ARGS_PPHRASE;
+ p = pp < p ? pp : p;
+ } else if (p && ! pp) {
+ rc = ARGS_PPHRASE;
+ *pos += 1;
+ } else if (pp && ! p) {
+ p = pp;
+ *pos += 2;
+ } else {
+ rc = ARGS_PEND;
+ p = strchr(*v, 0);
+ }
+
+ /* Whitespace check for eoln case... */
+ if ('\0' == *p && ' ' == *(p - 1))
+ mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE);
+
+ *pos += (int)(p - *v);
+
+ /* Strip delimiter's preceding whitespace. */
+ pp = p - 1;
+ while (pp > *v && ' ' == *pp) {
+ if (pp > *v && '\\' == *(pp - 1))
+ break;
+ pp--;
+ }
+ *(pp + 1) = 0;
+
+ /* Strip delimiter's proceeding whitespace. */
+ for (pp = &buf[*pos]; ' ' == *pp; pp++, (*pos)++)
+ /* Skip ahead. */ ;
+
+ return(rc);
+ }
+
+ /*
+ * Process a quoted literal. A quote begins with a double-quote
+ * and ends with a double-quote NOT preceded by a double-quote.
+ * Whitespace is NOT involved in literal termination.
+ */
+
+ if (MDOC_PHRASELIT & m->flags || '\"' == buf[*pos]) {
+ if ( ! (MDOC_PHRASELIT & m->flags))
+ *v = &buf[++(*pos)];
+
+ if (MDOC_PPHRASE & m->flags)
+ m->flags |= MDOC_PHRASELIT;
+
+ for ( ; buf[*pos]; (*pos)++) {
+ if ('\"' != buf[*pos])
+ continue;
+ if ('\"' != buf[*pos + 1])
+ break;
+ (*pos)++;
+ }
+
+ if ('\0' == buf[*pos]) {
+ if (MDOC_PPHRASE & m->flags)
+ return(ARGS_QWORD);
+ mdoc_pmsg(m, line, *pos, MANDOCERR_BADQUOTE);
+ return(ARGS_QWORD);
+ }
+
+ m->flags &= ~MDOC_PHRASELIT;
+ buf[(*pos)++] = '\0';
+
+ if ('\0' == buf[*pos])
+ return(ARGS_QWORD);
+
+ while (' ' == buf[*pos])
+ (*pos)++;
+
+ if ('\0' == buf[*pos])
+ mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE);
+
+ return(ARGS_QWORD);
+ }
+
+ p = &buf[*pos];
+ *v = mandoc_getarg(m->parse, &p, line, pos);
+
+ return(ARGS_WORD);
+}
+
+/*
+ * Check if the string consists only of space-separated closing
+ * delimiters. This is a bit of a dance: the first must be a close
+ * delimiter, but it may be followed by middle delimiters. Arbitrary
+ * whitespace may separate these tokens.
+ */
+static int
+args_checkpunct(const char *buf, int i)
+{
+ int j;
+ char dbuf[DELIMSZ];
+ enum mdelim d;
+
+ /* First token must be a close-delimiter. */
+
+ for (j = 0; buf[i] && ' ' != buf[i] && j < DELIMSZ; j++, i++)
+ dbuf[j] = buf[i];
+
+ if (DELIMSZ == j)
+ return(0);
+
+ dbuf[j] = '\0';
+ if (DELIM_CLOSE != mdoc_isdelim(dbuf))
+ return(0);
+
+ while (' ' == buf[i])
+ i++;
+
+ /* Remaining must NOT be open/none. */
+
+ while (buf[i]) {
+ j = 0;
+ while (buf[i] && ' ' != buf[i] && j < DELIMSZ)
+ dbuf[j++] = buf[i++];
+
+ if (DELIMSZ == j)
+ return(0);
+
+ dbuf[j] = '\0';
+ d = mdoc_isdelim(dbuf);
+ if (DELIM_NONE == d || DELIM_OPEN == d)
+ return(0);
+
+ while (' ' == buf[i])
+ i++;
+ }
+
+ return('\0' == buf[i]);
+}
+
+static int
+argv_multi(struct mdoc *m, int line,
+ struct mdoc_argv *v, int *pos, char *buf)
+{
+ enum margserr ac;
+ char *p;
+
+ for (v->sz = 0; ; v->sz++) {
+ if ('-' == buf[*pos])
+ break;
+ ac = args(m, line, pos, buf, ARGSFL_NONE, &p);
+ if (ARGS_ERROR == ac)
+ return(0);
+ else if (ARGS_EOLN == ac)
+ break;
+
+ if (0 == v->sz % MULTI_STEP)
+ v->value = mandoc_realloc(v->value,
+ (v->sz + MULTI_STEP) * sizeof(char *));
+
+ v->value[(int)v->sz] = mandoc_strdup(p);
+ }
+
+ return(1);
+}
+
+static int
+argv_opt_single(struct mdoc *m, int line,
+ struct mdoc_argv *v, int *pos, char *buf)
+{
+ enum margserr ac;
+ char *p;
+
+ if ('-' == buf[*pos])
+ return(1);
+
+ ac = args(m, line, pos, buf, ARGSFL_NONE, &p);
+ if (ARGS_ERROR == ac)
+ return(0);
+ if (ARGS_EOLN == ac)
+ return(1);
+
+ v->sz = 1;
+ v->value = mandoc_malloc(sizeof(char *));
+ v->value[0] = mandoc_strdup(p);
+
+ return(1);
+}
+
+static int
+argv_single(struct mdoc *m, int line,
+ struct mdoc_argv *v, int *pos, char *buf)
+{
+ int ppos;
+ enum margserr ac;
+ char *p;
+
+ ppos = *pos;
+
+ ac = args(m, line, pos, buf, ARGSFL_NONE, &p);
+ if (ARGS_EOLN == ac) {
+ mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTARGVCOUNT);
+ return(0);
+ } else if (ARGS_ERROR == ac)
+ return(0);
+
+ v->sz = 1;
+ v->value = mandoc_malloc(sizeof(char *));
+ v->value[0] = mandoc_strdup(p);
+
+ return(1);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 23:28:05 +0000