version 1.4, 2008/11/30 18:50:44 |
version 1.8, 2008/12/30 13:43:53 |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#include <sys/param.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#ifdef __linux__ |
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#include <time.h> |
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#endif |
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#include "libmdocml.h" |
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#include "private.h" |
#include "private.h" |
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#define INDENT 4 |
/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
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/* FIXME: prologue check should be in macro_call. */ |
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#ifdef __linux__ /* FIXME */ |
#define _CC(p) ((const char **)p) |
#define strlcat strncat |
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#endif |
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struct md_valid { |
static int scope_rewind_exp(struct mdoc *, int, int, int); |
const struct md_args *args; |
static int scope_rewind_imp(struct mdoc *, int, int); |
const struct md_rbuf *rbuf; |
static int append_text(struct mdoc *, int, |
struct md_mbuf *mbuf; |
int, int, char *[]); |
struct rofftree *tree; |
static int append_const(struct mdoc *, int, int, int, char *[]); |
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static int append_constarg(struct mdoc *, int, int, |
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int, const struct mdoc_arg *); |
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static int append_scoped(struct mdoc *, int, int, int, |
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const char *[], int, const struct mdoc_arg *); |
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static int append_delims(struct mdoc *, int, int *, char *); |
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size_t indent; |
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size_t pos; |
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int flags; |
static int |
#define MD_LITERAL (1 << 0) |
append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
}; |
{ |
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int c, lastarg; |
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char *p; |
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static void roffmsg(void *arg, enum roffmsg, |
if (0 == buf[*pos]) |
const char *, const char *, char *); |
return(1); |
static int roffhead(void *); |
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static int rofftail(void *); |
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static int roffin(void *, int, int *, char **); |
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static int roffdata(void *, int, char *); |
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static int roffout(void *, int); |
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static int roffblkin(void *, int, int *, char **); |
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static int roffblkout(void *, int); |
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static int roffspecial(void *, int); |
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static int mbuf_newline(struct md_valid *); |
mdoc_msg(mdoc, *pos, "`%s' flushing punctuation", |
static int mbuf_indent(struct md_valid *); |
mdoc_macronames[tok]); |
static int mbuf_data(struct md_valid *, int, char *); |
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for (;;) { |
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lastarg = *pos; |
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c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
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if (ARGS_ERROR == c) |
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return(0); |
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else if (ARGS_EOLN == c) |
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break; |
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assert(mdoc_isdelim(p)); |
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mdoc_word_alloc(mdoc, lastarg, p); |
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} |
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return(1); |
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} |
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static int |
static int |
mbuf_indent(struct md_valid *p) |
scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
{ |
{ |
size_t i; |
struct mdoc_node *n; |
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int t; |
|
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assert(p->pos == 0); |
n = mdoc->last ? mdoc->last->parent : NULL; |
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for (i = 0; i < MIN(p->indent, INDENT); i++) |
/* LINTED */ |
if ( ! md_buf_putstring(p->mbuf, " ")) |
for ( ; n; n = n->parent) { |
return(0); |
if (MDOC_BLOCK != n->type) |
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continue; |
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if (tok == (t = n->data.block.tok)) |
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break; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
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continue; |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
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} |
|
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p->pos += i * INDENT; |
if (n) { |
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mdoc->last = n; |
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mdoc_msg(mdoc, ppos, "scope: rewound implicit `%s'", |
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mdoc_macronames[tok]); |
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return(1); |
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} |
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mdoc_msg(mdoc, ppos, "scope: new implicit `%s'", |
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mdoc_macronames[tok]); |
return(1); |
return(1); |
} |
} |
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static int |
static int |
mbuf_newline(struct md_valid *p) |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
{ |
{ |
|
struct mdoc_node *n; |
|
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if ( ! md_buf_putchar(p->mbuf, '\n')) |
assert(mdoc->last); |
return(0); |
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p->pos = 0; |
/* LINTED */ |
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for (n = mdoc->last->parent; n; n = n->parent) { |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if (dst == n->data.block.tok) |
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break; |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
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} |
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if (NULL == (mdoc->last = n)) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
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mdoc_msg(mdoc, ppos, "scope: rewound explicit `%s' to `%s'", |
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mdoc_macronames[tok], mdoc_macronames[dst]); |
|
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return(1); |
return(1); |
} |
} |
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static int |
static int |
mbuf_data(struct md_valid *p, int space, char *buf) |
append_constarg(struct mdoc *mdoc, int tok, int pos, |
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int argc, const struct mdoc_arg *argv) |
{ |
{ |
size_t sz; |
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char *bufp; |
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assert(p->mbuf); |
switch (tok) { |
assert(0 != p->indent); |
default: |
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break; |
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} |
|
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if (MD_LITERAL & p->flags) |
mdoc_elem_alloc(mdoc, pos, tok, argc, argv, 0, NULL); |
return(md_buf_putstring(p->mbuf, buf)); |
return(1); |
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} |
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while (*buf) { |
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while (*buf && isspace(*buf)) |
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buf++; |
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if (0 == *buf) |
/* |
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* Append a node with implicit or explicit scoping ONLY. ALL macros |
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* with the implicit- or explicit-scope callback must be included here. |
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*/ |
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static int |
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append_scoped(struct mdoc *mdoc, int tok, int pos, |
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int sz, const char *args[], |
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int argc, const struct mdoc_arg *argv) |
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{ |
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enum mdoc_sec sec; |
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struct mdoc_node *node; |
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switch (tok) { |
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/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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|
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case (MDOC_Sh): |
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/* |
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* Check rules for section ordering. We can have |
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* "known" sections (like NAME and so on) and "custom" |
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* sections, which are unknown. If we have a known |
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* section, we should fall within the conventional |
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* section order. |
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*/ |
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if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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sec = mdoc_atosec((size_t)sz, _CC(args)); |
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if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
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return(0); |
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if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
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return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
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if (SEC_CUSTOM != sec) |
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mdoc->sec_lastn = sec; |
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mdoc->sec_last = sec; |
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break; |
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case (MDOC_Ss): |
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if (0 != sz) |
break; |
break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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case (MDOC_Bd): |
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/* |
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* We can't be nested within any other block displays |
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* (or really any other kind of display, although Bd is |
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* the only multi-line one that will show up). |
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*/ |
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assert(mdoc->last); |
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node = mdoc->last->parent; |
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/* LINTED */ |
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for ( ; node; node = node->parent) { |
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if (node->type != MDOC_BLOCK) |
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continue; |
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if (node->data.block.tok != MDOC_Bd) |
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continue; |
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break; |
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} |
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if (NULL == node) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST)); |
|
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bufp = buf; |
case (MDOC_Bl): |
while (*buf && ! isspace(*buf)) |
break; |
buf++; |
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if (0 != *buf) |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
*buf++ = 0; |
default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* Process word. */ |
mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
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mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
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mdoc_body_alloc(mdoc, pos, tok); |
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return(1); |
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} |
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sz = strlen(bufp); |
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if (0 == p->pos) { |
static int |
if ( ! mbuf_indent(p)) |
append_const(struct mdoc *mdoc, int tok, |
return(0); |
int pos, int sz, char *args[]) |
if ( ! md_buf_putstring(p->mbuf, bufp)) |
{ |
return(0); |
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if (p->indent * INDENT + sz >= 72) { |
switch (tok) { |
if ( ! mbuf_newline(p)) |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
return(0); |
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continue; |
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} |
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p->pos += sz; |
/* FIXME: this is the ugliest part of this page. */ |
continue; |
case (MDOC_At): |
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/* This needs special handling. */ |
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if (0 == sz) |
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break; |
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else if (sz > 2) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2)); |
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if (ATT_DEFAULT != mdoc_atoatt(args[0])) { |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, 1, _CC(&args[0])); |
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} else { |
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mdoc_elem_alloc(mdoc, pos, tok, |
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0, NULL, 0, NULL); |
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if (mdoc_isdelim(args[0])) |
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return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
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mdoc_word_alloc(mdoc, pos, args[0]); |
} |
} |
|
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if (sz + p->pos >= 72) { |
if (1 == sz) |
if ( ! mbuf_newline(p)) |
return(1); |
return(0); |
if (mdoc_isdelim(args[1])) |
if ( ! mbuf_indent(p)) |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
return(0); |
mdoc_word_alloc(mdoc, pos, args[1]); |
} else if (space) |
return(1); |
if ( ! md_buf_putchar(p->mbuf, ' ')) |
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return(0); |
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if ( ! md_buf_putstring(p->mbuf, bufp)) |
case (MDOC_Nd): |
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if (sz > 0) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
return(0); |
return(0); |
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break; |
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case (MDOC_Hf): |
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if (1 == sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1)); |
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p->pos += sz + (space ? 1 : 0); |
case (MDOC_Bx): |
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/* FALLTHROUGH */ |
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case (MDOC_Bsx): |
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/* FALLTHROUGH */ |
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case (MDOC_Os): |
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/* FALLTHROUGH */ |
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case (MDOC_Fx): |
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/* FALLTHROUGH */ |
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case (MDOC_Nx): |
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assert(sz <= 1); |
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break; |
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case (MDOC_Ux): |
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assert(0 == sz); |
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break; |
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case (MDOC_Bt): |
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/* FALLTHROUGH */ |
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case (MDOC_Ud): |
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if (0 == sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0)); |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
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abort(); |
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/* NOTREACHED */ |
} |
} |
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
return(1); |
return(1); |
} |
} |
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int |
static int |
md_line_valid(void *arg, char *buf) |
append_text(struct mdoc *mdoc, int tok, |
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int pos, int sz, char *args[]) |
{ |
{ |
struct md_valid *p; |
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p = (struct md_valid *)arg; |
switch (tok) { |
return(roff_engine(p->tree, buf)); |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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case (MDOC_Pp): |
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if (0 == sz) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)) |
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return(0); |
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break; |
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case (MDOC_Ft): |
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/* FALLTHROUGH */ |
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case (MDOC_Li): |
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/* FALLTHROUGH */ |
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case (MDOC_Ms): |
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/* FALLTHROUGH */ |
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case (MDOC_Pa): |
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/* FALLTHROUGH */ |
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case (MDOC_Tn): |
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if (0 < sz) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
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return(0); |
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break; |
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|
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case (MDOC_Ar): |
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/* FALLTHROUGH */ |
|
case (MDOC_Cm): |
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/* FALLTHROUGH */ |
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case (MDOC_Fl): |
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/* These can have no arguments. */ |
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break; |
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|
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case (MDOC_Ad): |
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/* FALLTHROUGH */ |
|
case (MDOC_Em): |
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/* FALLTHROUGH */ |
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case (MDOC_Er): |
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/* FALLTHROUGH */ |
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case (MDOC_Ev): |
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/* FALLTHROUGH */ |
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case (MDOC_Fa): |
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/* FALLTHROUGH */ |
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case (MDOC_Dv): |
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/* FALLTHROUGH */ |
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case (MDOC_Ic): |
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/* FALLTHROUGH */ |
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case (MDOC_Sy): |
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/* FALLTHROUGH */ |
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case (MDOC_Sx): |
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/* FALLTHROUGH */ |
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case (MDOC_Va): |
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/* FALLTHROUGH */ |
|
case (MDOC_Vt): |
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if (0 < sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
|
|
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
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return(1); |
} |
} |
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int |
int |
md_exit_valid(void *data, int flush) |
macro_text(MACRO_PROT_ARGS) |
{ |
{ |
int c; |
int lastarg, lastpunct, c, j; |
struct md_valid *p; |
char *args[MDOC_LINEARG_MAX]; |
|
|
p = (struct md_valid *)data; |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
c = roff_free(p->tree, flush); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
free(p); |
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|
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return(c); |
/* Token pre-processing. */ |
} |
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|
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switch (tok) { |
|
case (MDOC_Pp): |
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/* `.Pp' ignored when following `.Sh' or `.Ss'. */ |
|
assert(mdoc->last); |
|
if (MDOC_BODY != mdoc->last->type) |
|
break; |
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switch (mdoc->last->data.body.tok) { |
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case (MDOC_Ss): |
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/* FALLTHROUGH */ |
|
case (MDOC_Sh): |
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if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK)) |
|
return(0); |
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return(1); |
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default: |
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break; |
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} |
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break; |
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default: |
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break; |
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} |
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void * |
/* Process line parameters. */ |
md_init_valid(const struct md_args *args, |
|
struct md_mbuf *mbuf, const struct md_rbuf *rbuf) |
|
{ |
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struct roffcb cb; |
|
struct md_valid *p; |
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|
|
cb.roffhead = roffhead; |
j = 0; |
cb.rofftail = rofftail; |
lastarg = ppos; |
cb.roffin = roffin; |
lastpunct = 0; |
cb.roffout = roffout; |
|
cb.roffblkin = roffblkin; |
|
cb.roffblkout = roffblkout; |
|
cb.roffspecial = roffspecial; |
|
cb.roffmsg = roffmsg; |
|
cb.roffdata = roffdata; |
|
|
|
if (NULL == (p = calloc(1, sizeof(struct md_valid)))) |
again: |
err(1, "malloc"); |
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
p->args = args; |
/* |
p->mbuf = mbuf; |
* Parse out the next argument, unquoted and unescaped. If |
p->rbuf = rbuf; |
* we're a word (which may be punctuation followed eventually by |
|
* a real word), then fall into checking for callables. If |
|
* only punctuation remains and we're the first, then flush |
|
* arguments, punctuation and exit; else, return to the caller. |
|
*/ |
|
|
assert(mbuf); |
lastarg = *pos; |
|
|
if (NULL == (p->tree = roff_alloc(&cb, p))) { |
switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &args[j])) { |
free(p); |
case (ARGS_ERROR): |
return(NULL); |
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
if (lastpunct) |
|
return(1); |
|
return(append_text(mdoc, tok, ppos, j, args)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
|
return(p); |
/* |
|
* Command found. First flush out arguments, then call the |
|
* command. If we're the line macro when it exits, flush |
|
* terminal punctuation. |
|
*/ |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
/* Word/non-term-punctuation found. */ |
|
|
|
if ( ! mdoc_isdelim(args[j])) { |
|
/* Words are appended to the array of arguments. */ |
|
j++; |
|
lastpunct = 0; |
|
goto again; |
|
} |
|
|
|
/* |
|
* For punctuation, flush all collected words, then flush |
|
* punctuation, then start collecting again. Of course, this |
|
* is non-terminal punctuation. |
|
*/ |
|
|
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
|
|
mdoc_word_alloc(mdoc, lastarg, args[j]); |
|
j = 0; |
|
lastpunct = 1; |
|
|
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
/* ARGSUSED */ |
int |
static int |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
roffhead(void *arg) |
|
{ |
{ |
struct md_valid *p; |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
assert(arg); |
if (SEC_PROLOGUE != mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (0 == mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
if ( ! md_buf_putstring(p->mbuf, "<?xml version=\"1.0\" " |
j = -1; |
"encoding=\"UTF-8\"?>\n")) |
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) { |
|
case (ARGS_EOLN): |
|
if (mdoc->meta.title) |
|
return(1); |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
|
return(0); |
|
(void)xstrlcpy(mdoc->meta.title, |
|
"UNTITLED", META_TITLE_SZ); |
|
return(1); |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
|
default: |
|
break; |
|
} |
|
|
if ( ! md_buf_putstring(p->mbuf, "<mdoc>")) |
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
return(0); |
return(0); |
p->indent++; |
|
|
|
return(mbuf_newline(p)); |
if (0 == j) { |
|
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
} else if (1 == j) { |
|
mdoc->meta.msec = mdoc_atomsec(args[1]); |
|
if (MSEC_DEFAULT != mdoc->meta.msec) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGFORM)); |
|
|
|
} else if (2 == j) { |
|
mdoc->meta.vol = mdoc_atovol(args[2]); |
|
if (VOL_DEFAULT != mdoc->meta.vol) |
|
goto again; |
|
mdoc->meta.arch = mdoc_atoarch(args[2]); |
|
if (ARCH_DEFAULT != mdoc->meta.arch) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
} |
|
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
} |
} |
|
|
|
|
static int |
int |
rofftail(void *arg) |
macro_prologue_os(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
assert(arg); |
if (SEC_PROLOGUE != mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (0 == mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.os[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
if (0 != p->pos && ! mbuf_newline(p)) |
j = -1; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, |
|
ARGS_QUOTED, &args[++j])) { |
|
case (ARGS_EOLN): |
|
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
|
return(1); |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
return(md_buf_putstring(p->mbuf, "</mdoc>\n")); |
default: |
|
break; |
|
} |
|
|
|
if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
int |
roffspecial(void *arg, int tok) |
macro_prologue_ddate(MACRO_PROT_ARGS) |
{ |
{ |
|
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX], date[64]; |
|
|
return(1); |
if (SEC_PROLOGUE != mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
|
date[0] = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) { |
|
case (ARGS_EOLN): |
|
if (mdoc->meta.date) |
|
return(1); |
|
mdoc->meta.date = mdoc_atotime(date); |
|
if (mdoc->meta.date) |
|
return(1); |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGFORM)); |
|
case (ARGS_ERROR): |
|
return(0); |
|
default: |
|
break; |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
|
if (xstrcmp("$Mdocdate$", args[j])) { |
|
mdoc->meta.date = time(NULL); |
|
goto again; |
|
} else if (xstrcmp("$Mdocdate:", args[j])) |
|
goto again; |
|
} else if (4 == j) |
|
if ( ! xstrcmp("$", args[j])) |
|
goto again; |
|
|
|
if ( ! xstrlcat(date, args[j], sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
if ( ! xstrlcat(date, " ", sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
int |
roffblkin(void *arg, int tok, int *argc, char **argv) |
macro_scoped_explicit(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int c, lastarg, j; |
|
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
|
|
assert(arg); |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
if (0 != p->pos) { |
/* |
if ( ! mbuf_newline(p)) |
* First close out the explicit scope. The `end' tags (such as |
|
* `.El' to `.Bl' don't cause anything to happen: we merely |
|
* readjust our last parse point. |
|
*/ |
|
|
|
switch (tok) { |
|
case (MDOC_El): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl)); |
|
case (MDOC_Ed): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bd)); |
|
default: |
|
break; |
|
} |
|
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_Bl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bd): |
|
/* `.Pp' ignored when preceding `.Bl' or `.Bd'. */ |
|
assert(mdoc->last); |
|
if (MDOC_ELEM != mdoc->last->type) |
|
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
return(0); |
return(0); |
if ( ! mbuf_indent(p)) |
assert(mdoc->last->prev); |
return(0); |
n = mdoc->last; |
} else if ( ! mbuf_indent(p)) |
mdoc->last = mdoc->last->prev; |
return(0); |
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
if ( ! md_buf_putchar(p->mbuf, '<')) |
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
|
if (0 == c) |
|
break; |
|
else if (1 == c) |
|
continue; |
|
|
|
mdoc_argv_free(j, argv); |
return(0); |
return(0); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
} |
return(0); |
|
if ( ! md_buf_putchar(p->mbuf, '>')) |
|
return(0); |
|
if ( ! mbuf_newline(p)) |
|
return(0); |
|
|
|
p->indent++; |
if (MDOC_LINEARG_MAX == j) { |
return(1); |
mdoc_argv_free(j, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv); |
|
mdoc_argv_free(j, argv); |
|
return(c); |
} |
} |
|
|
|
|
static int |
/* |
roffblkout(void *arg, int tok) |
* Implicity-scoped macros, like `.Ss', have a scope that terminates |
|
* with a subsequent call to the same macro. Implicit macros cannot |
|
* break the scope of explicitly-scoped macros; however, they can break |
|
* the scope of other implicit macros (so `.Sh' can break `.Ss'). This |
|
* is ok with macros like `.It' because they exist only within an |
|
* explicit context. |
|
* |
|
* These macros put line arguments (which it's allowed to have) into the |
|
* HEAD section and open a BODY scope to be used until the macro scope |
|
* closes. |
|
*/ |
|
int |
|
macro_scoped_implicit(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
|
|
assert(arg); |
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
p = (struct md_valid *)arg; |
|
|
|
p->indent--; |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
if (0 != p->pos) { |
/* Token pre-processing. */ |
if ( ! mbuf_newline(p)) |
|
|
switch (tok) { |
|
case (MDOC_Ss): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sh): |
|
/* `.Pp' ignored when preceding `.Ss' or `.Sh'. */ |
|
if (NULL == mdoc->last) |
|
break; |
|
if (MDOC_ELEM != mdoc->last->type) |
|
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
return(0); |
return(0); |
if ( ! mbuf_indent(p)) |
assert(mdoc->last->prev); |
return(0); |
n = mdoc->last; |
} else if ( ! mbuf_indent(p)) |
mdoc_msg(mdoc, ppos, "removing prior `Pp' macro"); |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* Rewind our scope. */ |
|
|
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
return(0); |
return(0); |
|
|
if ( ! md_buf_putstring(p->mbuf, "</")) |
j = 0; |
|
lastarg = ppos; |
|
|
|
/* |
|
* Process until we hit a line. Note that current implicit |
|
* macros don't have any arguments, so we don't need to do any |
|
* argument processing. |
|
*/ |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
case (ARGS_EOLN): |
return(0); |
return(append_scoped(mdoc, tok, ppos, j, _CC(args), 0, NULL)); |
if ( ! md_buf_putstring(p->mbuf, ">")) |
default: |
return(0); |
break; |
if ( ! mbuf_newline(p)) |
} |
return(0); |
|
|
|
return(1); |
if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
j++; |
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
/* |
roffin(void *arg, int tok, int *argcp, char **argvp) |
* A line-scoped macro opens a scope for the contents of its line, which |
|
* are placed under the HEAD node. Punctuation trailing the line is put |
|
* as a sibling to the HEAD node, under the BLOCK node. |
|
*/ |
|
int |
|
macro_scoped_line(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int lastarg, c, j; |
|
char *p; |
|
struct mdoc_node *n; |
|
|
assert(arg); |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
if (0 == p->pos && ! mbuf_indent(p)) |
assert(1 == ppos); |
return(0); |
|
|
/* Token pre-processing. */ |
|
|
/* FIXME: not always with a space... */ |
switch (tok) { |
if ( ! md_buf_putstring(p->mbuf, " <")) |
case (MDOC_D1): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dl): |
|
/* These can't be nested in a display block. */ |
|
assert(mdoc->last); |
|
for (n = mdoc->last->parent ; n; n = n->parent) |
|
if (MDOC_BLOCK != n->type) |
|
continue; |
|
else if (MDOC_Bd == n->data.block.tok) |
|
break; |
|
if (NULL == n) |
|
break; |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NONEST)); |
|
default: |
|
break; |
|
} |
|
|
|
/* |
|
* All line-scoped macros have a HEAD and optionally a BODY |
|
* section. We open our scope here; when we exit this function, |
|
* we'll rewind our scope appropriately. |
|
*/ |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
|
switch (c) { |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
case (ARGS_WORD): |
return(0); |
break; |
if ( ! md_buf_putstring(p->mbuf, ">")) |
case (ARGS_PUNCT): |
return(0); |
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
p->pos += strlen(toknames[tok]) + 3; |
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
} |
|
|
return(1); |
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
/* |
roffout(void *arg, int tok) |
* Partial-line scope is identical to line scope (macro_scoped_line()) |
|
* except that trailing punctuation is appended to the BLOCK, instead of |
|
* contained within the HEAD. |
|
*/ |
|
int |
|
macro_scoped_pline(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int lastarg, c, j; |
|
char *p; |
|
|
assert(arg); |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
if (0 == p->pos && ! mbuf_indent(p)) |
/* Token pre-processing. */ |
return(0); |
|
|
|
if ( ! md_buf_putstring(p->mbuf, "</")) |
switch (tok) { |
|
case (MDOC_Ql): |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF)) |
|
return(0); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
|
switch (c) { |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
case (ARGS_WORD): |
return(0); |
break; |
if ( ! md_buf_putstring(p->mbuf, ">")) |
case (ARGS_PUNCT): |
return(0); |
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
p->pos += strlen(toknames[tok]) + 2; |
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
return(1); |
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
|
/* |
static void |
* A delimited-constant macro is similar to a general text macro: the |
roffmsg(void *arg, enum roffmsg lvl, |
* macro is followed by a 0 or 1 arguments (possibly-unspecified) then |
const char *buf, const char *pos, char *msg) |
* terminating punctuation, other words, or another callable macro. |
|
*/ |
|
int |
|
macro_constant_delimited(MACRO_PROT_ARGS) |
{ |
{ |
char *level; |
int lastarg, flushed, c, maxargs; |
struct md_valid *p; |
char *p; |
|
|
assert(arg); |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
switch (lvl) { |
/* Process line parameters. */ |
case (ROFF_WARN): |
|
if ( ! (MD_WARN_ALL & p->args->warnings)) |
lastarg = ppos; |
return; |
flushed = 0; |
level = "warning"; |
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_Ux): |
|
maxargs = 0; |
break; |
break; |
case (ROFF_ERROR): |
default: |
level = "error"; |
maxargs = 1; |
break; |
break; |
|
} |
|
|
|
again: |
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
if (flushed) |
|
return(1); |
|
return(append_const(mdoc, tok, ppos, 0, &p)); |
default: |
default: |
abort(); |
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
|
if (pos) |
|
(void)fprintf(stderr, "%s:%zu: %s: %s\n", |
|
p->rbuf->name, p->rbuf->line, level, msg); |
|
else |
|
(void)fprintf(stderr, "%s: %s: %s\n", |
|
p->rbuf->name, level, msg); |
|
|
|
|
/* Accepts no arguments: flush out symbol and continue. */ |
|
|
|
if (0 == maxargs) { |
|
if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
/* |
|
* We only accept one argument; subsequent tokens are considered |
|
* as literal words (until a macro). |
|
*/ |
|
|
|
if ( ! flushed && ! mdoc_isdelim(p)) { |
|
if ( ! append_const(mdoc, tok, ppos, 1, &p)) |
|
return(0); |
|
flushed = 1; |
|
goto again; |
|
} else if ( ! flushed) { |
|
if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
int |
roffdata(void *arg, int space, char *buf) |
macro_constant(MACRO_PROT_ARGS) |
{ |
{ |
struct md_valid *p; |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
assert(arg); |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
return(mbuf_data(p, space, buf)); |
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_EOLN): |
|
return(append_const(mdoc, tok, ppos, j, args)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
j++; |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
|
|
|
|
|
int |
|
macro_constant_argv(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, j; |
|
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
|
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
|
if (0 == c) |
|
break; |
|
else if (1 == c) |
|
continue; |
|
|
|
mdoc_argv_free(j, argv); |
|
return(0); |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == j) { |
|
mdoc_argv_free(j, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
c = append_constarg(mdoc, tok, ppos, j, argv); |
|
mdoc_argv_free(j, argv); |
|
return(c); |
} |
} |