version 1.6, 2008/11/30 20:53:34 |
version 1.17, 2009/01/07 15:53:00 |
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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> |
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#include <err.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
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#include "libmdocml.h" |
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#include "private.h" |
#include "private.h" |
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#define INDENT 4 |
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#define COLUMNS 72 |
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#ifdef __linux__ /* FIXME */ |
typedef int (*v_pre)(struct mdoc *, int, int, |
#define strlcat strncat |
int, const struct mdoc_arg *); |
#endif |
typedef int (*v_post)(struct mdoc *, int, int); |
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enum md_tok { |
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MD_BLKIN, |
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MD_BLKOUT, |
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MD_IN, |
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MD_OUT, |
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MD_TEXT |
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}; |
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struct md_valid { |
struct valids { |
const struct md_args *args; |
v_pre pre; |
const struct md_rbuf *rbuf; |
v_post *post; |
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struct md_mbuf *mbuf; |
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struct rofftree *tree; |
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size_t indent; |
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size_t pos; |
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enum md_tok last; |
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int flags; |
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#define MD_LITERAL (1 << 0) /* FIXME */ |
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}; |
}; |
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static void roffmsg(void *arg, enum roffmsg, |
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const char *, const char *, char *); |
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static int roffhead(void *); |
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static int rofftail(void *); |
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static int roffin(void *, int, 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 *); |
static int pre_sh(struct mdoc *, int, int, |
static int mbuf_indent(struct md_valid *); |
int, const struct mdoc_arg *); |
static int mbuf_data(struct md_valid *, int, char *); |
static int post_headchild_err_ge1(struct mdoc *, int, int); |
static int mbuf_putstring(struct md_valid *, |
static int post_headchild_err_le8(struct mdoc *, int, int); |
const char *); |
static int post_bodychild_warn_ge1(struct mdoc *, int, int); |
static int mbuf_nputstring(struct md_valid *, |
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const char *, size_t); |
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static v_post posts_sh[] = { post_headchild_err_ge1, |
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post_bodychild_warn_ge1, |
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post_headchild_err_le8, NULL }; |
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static int |
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mbuf_putstring(struct md_valid *p, const char *buf) |
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{ |
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return(mbuf_nputstring(p, buf, strlen(buf))); |
const struct valids mdoc_valids[MDOC_MAX] = { |
} |
{ NULL, NULL }, /* \" */ |
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{ NULL, NULL }, /* Dd */ /* TODO */ |
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{ NULL, NULL }, /* Dt */ /* TODO */ |
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{ NULL, NULL }, /* Os */ /* TODO */ |
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{ pre_sh, posts_sh }, /* Sh */ /* FIXME: preceding Pp. */ |
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{ NULL, NULL }, /* Ss */ /* FIXME: preceding Pp. */ |
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{ NULL, NULL }, /* Pp */ |
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{ NULL, NULL }, /* D1 */ |
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{ NULL, NULL }, /* Dl */ |
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{ NULL, NULL }, /* Bd */ /* FIXME: preceding Pp. */ |
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{ NULL, NULL }, /* Ed */ |
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{ NULL, NULL }, /* Bl */ /* FIXME: preceding Pp. */ |
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{ NULL, NULL }, /* El */ |
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{ NULL, NULL }, /* It */ |
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{ NULL, NULL }, /* Ad */ |
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{ NULL, NULL }, /* An */ |
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{ NULL, NULL }, /* Ar */ |
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{ NULL, NULL }, /* Cd */ |
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{ NULL, NULL }, /* Cm */ |
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{ NULL, NULL }, /* Dv */ |
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{ NULL, NULL }, /* Er */ |
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{ NULL, NULL }, /* Ev */ |
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{ NULL, NULL }, /* Ex */ |
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{ NULL, NULL }, /* Fa */ |
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{ NULL, NULL }, /* Fd */ |
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{ NULL, NULL }, /* Fl */ |
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{ NULL, NULL }, /* Fn */ |
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{ NULL, NULL }, /* Ft */ |
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{ NULL, NULL }, /* Ic */ |
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{ NULL, NULL }, /* In */ |
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{ NULL, NULL }, /* Li */ |
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{ NULL, NULL }, /* Nd */ |
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{ NULL, NULL }, /* Nm */ |
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{ NULL, NULL }, /* Op */ |
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{ NULL, NULL }, /* Ot */ |
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{ NULL, NULL }, /* Pa */ |
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{ NULL, NULL }, /* Rv */ |
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{ NULL, NULL }, /* St */ |
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{ NULL, NULL }, /* Va */ |
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{ NULL, NULL }, /* Vt */ |
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{ NULL, NULL }, /* Xr */ |
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{ NULL, NULL }, /* %A */ |
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{ NULL, NULL }, /* %B */ |
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{ NULL, NULL }, /* %D */ |
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{ NULL, NULL }, /* %I */ |
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{ NULL, NULL }, /* %J */ |
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{ NULL, NULL }, /* %N */ |
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{ NULL, NULL }, /* %O */ |
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{ NULL, NULL }, /* %P */ |
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{ NULL, NULL }, /* %R */ |
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{ NULL, NULL }, /* %T */ |
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{ NULL, NULL }, /* %V */ |
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{ NULL, NULL }, /* Ac */ |
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{ NULL, NULL }, /* Ao */ |
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{ NULL, NULL }, /* Aq */ |
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{ NULL, NULL }, /* At */ /* FIXME */ |
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{ NULL, NULL }, /* Bc */ |
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{ NULL, NULL }, /* Bf */ |
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{ NULL, NULL }, /* Bo */ |
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{ NULL, NULL }, /* Bq */ |
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{ NULL, NULL }, /* Bsx */ |
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{ NULL, NULL }, /* Bx */ |
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{ NULL, NULL }, /* Db */ |
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{ NULL, NULL }, /* Dc */ |
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{ NULL, NULL }, /* Do */ |
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{ NULL, NULL }, /* Dq */ |
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{ NULL, NULL }, /* Ec */ |
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{ NULL, NULL }, /* Ef */ /* -symbolic, etc. */ |
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{ NULL, NULL }, /* Em */ |
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{ NULL, NULL }, /* Eo */ |
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{ NULL, NULL }, /* Fx */ |
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{ NULL, NULL }, /* Ms */ |
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{ NULL, NULL }, /* No */ |
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{ NULL, NULL }, /* Ns */ |
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{ NULL, NULL }, /* Nx */ |
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{ NULL, NULL }, /* Ox */ |
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{ NULL, NULL }, /* Pc */ |
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{ NULL, NULL }, /* Pf */ /* 2 or more arguments */ |
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{ NULL, NULL }, /* Po */ |
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{ NULL, NULL }, /* Pq */ /* FIXME: ignore following Sh/Ss */ |
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{ NULL, NULL }, /* Qc */ |
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{ NULL, NULL }, /* Ql */ |
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{ NULL, NULL }, /* Qo */ |
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{ NULL, NULL }, /* Qq */ |
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{ NULL, NULL }, /* Re */ |
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{ NULL, NULL }, /* Rs */ |
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{ NULL, NULL }, /* Sc */ |
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{ NULL, NULL }, /* So */ |
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{ NULL, NULL }, /* Sq */ |
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{ NULL, NULL }, /* Sm */ |
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{ NULL, NULL }, /* Sx */ |
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{ NULL, NULL }, /* Sy */ |
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{ NULL, NULL }, /* Tn */ |
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{ NULL, NULL }, /* Ux */ |
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{ NULL, NULL }, /* Xc */ |
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{ NULL, NULL }, /* Xo */ |
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{ NULL, NULL }, /* Fo */ |
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{ NULL, NULL }, /* Fc */ |
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{ NULL, NULL }, /* Oo */ |
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{ NULL, NULL }, /* Oc */ |
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{ NULL, NULL }, /* Bk */ |
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{ NULL, NULL }, /* Ek */ |
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{ NULL, NULL }, /* Bt */ |
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{ NULL, NULL }, /* Hf */ |
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{ NULL, NULL }, /* Fr */ |
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{ NULL, NULL }, /* Ud */ |
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}; |
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static int |
static int |
mbuf_nputstring(struct md_valid *p, const char *buf, size_t sz) |
post_bodychild_warn_ge1(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
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p->pos += sz; |
if (MDOC_BODY != mdoc->last->type) |
return(md_buf_puts(p->mbuf, buf, sz)); |
return(1); |
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if (mdoc->last->child) |
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return(1); |
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return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)); |
} |
} |
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static int |
static int |
mbuf_indent(struct md_valid *p) |
post_headchild_err_ge1(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
size_t i; |
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assert(p->pos == 0); |
if (MDOC_HEAD != mdoc->last->type) |
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return(1); |
/* LINTED */ |
if (mdoc->last->child) |
for (i = 0; i < MIN(p->indent, INDENT); i++) |
return(1); |
if ( ! md_buf_putstring(p->mbuf, " ")) |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
return(0); |
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p->pos += i * INDENT; |
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return(1); |
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} |
} |
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static int |
static int |
mbuf_newline(struct md_valid *p) |
post_headchild_err_le8(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
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int i; |
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struct mdoc_node *n; |
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if ( ! md_buf_putchar(p->mbuf, '\n')) |
if (MDOC_HEAD != mdoc->last->type) |
return(0); |
return(1); |
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for (i = 0, n = mdoc->last->child; n; n = n->next, i++) |
p->pos = 0; |
/* Do nothing. */ ; |
return(1); |
if (i <= 8) |
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return(1); |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE8)); |
} |
} |
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static int |
static int |
mbuf_data(struct md_valid *p, int space, char *buf) |
pre_sh(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); |
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assert(0 != p->indent); |
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/* |
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* FIXME: punctuation/no-space stuff shouldn't have a newline |
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* before it. |
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*/ |
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if (MD_LITERAL & p->flags) |
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return(mbuf_putstring(p, buf)); |
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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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break; |
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bufp = 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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*buf++ = 0; |
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sz = strlen(bufp); |
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if (0 == p->pos) { |
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if ( ! mbuf_indent(p)) |
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return(0); |
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if ( ! mbuf_nputstring(p, bufp, sz)) |
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return(0); |
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if (p->indent * INDENT + sz >= COLUMNS) { |
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if ( ! mbuf_newline(p)) |
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return(0); |
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continue; |
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} |
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continue; |
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} |
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if (sz + p->pos >= COLUMNS) { |
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if ( ! mbuf_newline(p)) |
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return(0); |
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if ( ! mbuf_indent(p)) |
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return(0); |
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} else if (space) |
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if ( ! mbuf_nputstring(p, " ", 1)) |
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return(0); |
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if ( ! mbuf_nputstring(p, bufp, sz)) |
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return(0); |
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} |
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return(1); |
return(1); |
} |
} |
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int |
int |
md_line_valid(void *arg, char *buf) |
mdoc_valid_pre(struct mdoc *mdoc, int tok, int pos, |
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int argc, const struct mdoc_arg *argv) |
{ |
{ |
struct md_valid *p; |
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p = (struct md_valid *)arg; |
if (NULL == mdoc_valids[tok].pre) |
return(roff_engine(p->tree, buf)); |
return(1); |
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return((*mdoc_valids[tok].pre)(mdoc, tok, pos, argc, argv)); |
} |
} |
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int |
int |
md_exit_valid(void *data, int flush) |
mdoc_valid_post(struct mdoc *mdoc, int pos) |
{ |
{ |
int c; |
v_post *p; |
struct md_valid *p; |
int t; |
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p = (struct md_valid *)data; |
switch (mdoc->last->type) { |
c = roff_free(p->tree, flush); |
case (MDOC_BODY): |
free(p); |
t = mdoc->last->data.body.tok; |
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return(c); |
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} |
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void * |
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md_init_valid(const struct md_args *args, |
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struct md_mbuf *mbuf, const struct md_rbuf *rbuf) |
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{ |
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struct roffcb cb; |
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struct md_valid *p; |
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cb.roffhead = roffhead; |
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cb.rofftail = rofftail; |
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cb.roffin = roffin; |
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cb.roffout = roffout; |
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cb.roffblkin = roffblkin; |
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cb.roffblkout = roffblkout; |
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cb.roffspecial = roffspecial; |
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cb.roffmsg = roffmsg; |
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cb.roffdata = roffdata; |
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if (NULL == (p = calloc(1, sizeof(struct md_valid)))) |
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err(1, "malloc"); |
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p->args = args; |
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p->mbuf = mbuf; |
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p->rbuf = rbuf; |
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assert(mbuf); |
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if (NULL == (p->tree = roff_alloc(&cb, p))) { |
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free(p); |
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return(NULL); |
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} |
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return(p); |
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} |
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/* ARGSUSED */ |
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static int |
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roffhead(void *arg) |
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{ |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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if ( ! mbuf_putstring(p, "<?xml version=\"1.0\" " |
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"encoding=\"UTF-8\"?>\n")) |
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return(0); |
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if ( ! mbuf_nputstring(p, "<mdoc>", 6)) |
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return(0); |
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p->indent++; |
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return(mbuf_newline(p)); |
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} |
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static int |
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rofftail(void *arg) |
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{ |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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if (0 != p->pos && ! mbuf_newline(p)) |
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return(0); |
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if ( ! mbuf_nputstring(p, "</mdoc>", 7)) |
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return(0); |
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return(mbuf_newline(p)); |
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} |
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/* ARGSUSED */ |
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static int |
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roffspecial(void *arg, int tok) |
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{ |
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return(1); |
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} |
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static int |
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roffblkin(void *arg, int tok, int *argc, char **argv) |
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{ |
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struct md_valid *p; |
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int i; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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if (0 != p->pos) { |
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if ( ! mbuf_newline(p)) |
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return(0); |
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if ( ! mbuf_indent(p)) |
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return(0); |
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} else if ( ! mbuf_indent(p)) |
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return(0); |
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if ( ! mbuf_nputstring(p, "<", 1)) |
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return(0); |
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if ( ! mbuf_putstring(p, toknames[tok])) |
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return(0); |
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for (i = 0; ROFF_ARGMAX != argc[i]; i++) { |
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if ( ! mbuf_nputstring(p, " ", 1)) |
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return(0); |
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if ( ! mbuf_putstring(p, tokargnames[argc[i]])) |
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return(0); |
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if ( ! mbuf_nputstring(p, "=\"", 2)) |
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return(0); |
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if ( ! mbuf_putstring(p, argv[i] ? argv[i] : "true")) |
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return(0); |
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if ( ! mbuf_nputstring(p, "\"", 1)) |
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return(0); |
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} |
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if ( ! mbuf_nputstring(p, ">", 1)) |
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return(0); |
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if ( ! mbuf_newline(p)) |
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return(0); |
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p->indent++; |
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return(1); |
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} |
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static int |
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roffblkout(void *arg, int tok) |
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{ |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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p->indent--; |
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if (0 != p->pos) { |
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if ( ! mbuf_newline(p)) |
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return(0); |
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if ( ! mbuf_indent(p)) |
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return(0); |
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} else if ( ! mbuf_indent(p)) |
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return(0); |
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if ( ! mbuf_nputstring(p, "</", 2)) |
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return(0); |
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if ( ! mbuf_putstring(p, toknames[tok])) |
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return(0); |
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if ( ! mbuf_nputstring(p, ">", 1)) |
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return(0); |
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if ( ! mbuf_newline(p)) |
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return(0); |
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return(1); |
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} |
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static int |
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roffin(void *arg, int tok, int space, int *argc, char **argv) |
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{ |
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struct md_valid *p; |
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int i; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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if (0 == p->pos && ! mbuf_indent(p)) |
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return(0); |
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/* |
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* FIXME: put into a buffer before writing (check line length). |
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*/ |
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if (space && ! mbuf_nputstring(p, " ", 1)) |
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return(0); |
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if ( ! mbuf_nputstring(p, "<", 1)) |
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return(0); |
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if ( ! mbuf_putstring(p, toknames[tok])) |
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return(0); |
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for (i = 0; ROFF_ARGMAX != argc[i]; i++) { |
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if ( ! mbuf_nputstring(p, " ", 1)) |
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return(0); |
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if ( ! mbuf_putstring(p, tokargnames[argc[i]])) |
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return(0); |
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if ( ! mbuf_nputstring(p, "=\"", 2)) |
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return(0); |
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if ( ! mbuf_putstring(p, argv[i] ? argv[i] : "true")) |
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return(0); |
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if ( ! mbuf_nputstring(p, "\"", 1)) |
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return(0); |
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} |
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return(mbuf_nputstring(p, ">", 1)); |
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} |
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static int |
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roffout(void *arg, int tok) |
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{ |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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if (0 == p->pos && ! mbuf_indent(p)) |
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return(0); |
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if ( ! mbuf_nputstring(p, "</", 2)) |
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return(0); |
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if ( ! mbuf_putstring(p, toknames[tok])) |
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return(0); |
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return(mbuf_nputstring(p, ">", 1)); |
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} |
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static void |
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roffmsg(void *arg, enum roffmsg lvl, |
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const char *buf, const char *pos, char *msg) |
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{ |
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char *level; |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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switch (lvl) { |
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case (ROFF_WARN): |
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if ( ! (MD_WARN_ALL & p->args->warnings)) |
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return; |
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level = "warning"; |
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break; |
break; |
case (ROFF_ERROR): |
case (MDOC_ELEM): |
level = "error"; |
t = mdoc->last->data.elem.tok; |
break; |
break; |
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case (MDOC_BLOCK): |
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t = mdoc->last->data.block.tok; |
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break; |
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case (MDOC_HEAD): |
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t = mdoc->last->data.head.tok; |
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break; |
default: |
default: |
abort(); |
return(1); |
} |
} |
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if (pos) |
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(void)fprintf(stderr, "%s:%zu: %s: %s (column %zu)\n", |
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p->rbuf->name, p->rbuf->line, level, |
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msg, pos - buf); |
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else |
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(void)fprintf(stderr, "%s: %s: %s\n", |
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p->rbuf->name, level, msg); |
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} |
if (NULL == mdoc_valids[t].post) |
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return(1); |
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for (p = mdoc_valids[t].post; *p; p++) |
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if ( ! (*p)(mdoc, t, pos)) |
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return(0); |
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static int |
return(1); |
roffdata(void *arg, int space, char *buf) |
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{ |
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struct md_valid *p; |
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assert(arg); |
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p = (struct md_valid *)arg; |
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return(mbuf_data(p, space, buf)); |
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} |
} |
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