version 1.2, 2008/11/29 16:11:42 |
version 1.59, 2009/02/25 11:37:05 |
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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> |
#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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* Pre- and post-validate macros as they're parsed. Pre-validation |
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* occurs when the macro has been detected and its arguments parsed. |
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* Post-validation occurs when all child macros have also been parsed. |
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* In the ELEMENT case, this is simply the parameters of the macro; in |
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* the BLOCK case, this is the HEAD, BODY, TAIL and so on. |
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*/ |
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#ifdef __linux__ /* FIXME */ |
#define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n |
#define strlcat strncat |
#define POST_ARGS struct mdoc *mdoc |
#endif |
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struct md_valid { |
typedef int (*v_pre)(PRE_ARGS); |
const struct md_args *args; |
typedef int (*v_post)(POST_ARGS); |
const struct md_rbuf *rbuf; |
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struct md_mbuf *mbuf; |
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struct rofftree *tree; |
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size_t indent; |
/* FIXME: some sections should only occur in specific msecs. */ |
size_t pos; |
/* FIXME: ignoring Pp. */ |
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/* FIXME: math symbols. */ |
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int flags; |
struct valids { |
#define MD_LITERAL (1 << 0) |
v_pre *pre; |
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v_post *post; |
}; |
}; |
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static void roffmsg(void *arg, enum roffmsg, |
/* Utility checks. */ |
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 *, char **); |
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static int roffdata(void *, 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 check_parent(PRE_ARGS, int, enum mdoc_type); |
static int mbuf_indent(struct md_valid *); |
static int check_msec(PRE_ARGS, int, enum mdoc_msec *); |
static int mbuf_data(struct md_valid *, char *); |
static int check_stdarg(PRE_ARGS); |
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static int check_text(struct mdoc *, |
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size_t, size_t, const char *); |
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static int |
static int err_child_lt(struct mdoc *, const char *, int); |
mbuf_indent(struct md_valid *p) |
static int warn_child_lt(struct mdoc *, const char *, int); |
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static int err_child_gt(struct mdoc *, const char *, int); |
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static int warn_child_gt(struct mdoc *, const char *, int); |
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static int err_child_eq(struct mdoc *, const char *, int); |
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static int warn_child_eq(struct mdoc *, const char *, int); |
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/* Utility auxiliaries. */ |
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static inline int count_child(struct mdoc *); |
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static inline int warn_count(struct mdoc *, const char *, |
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int, const char *, int); |
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static inline int err_count(struct mdoc *, const char *, |
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int, const char *, int); |
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/* Specific pre-child-parse routines. */ |
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static int pre_display(PRE_ARGS); |
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static int pre_sh(PRE_ARGS); |
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static int pre_ss(PRE_ARGS); |
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static int pre_bd(PRE_ARGS); |
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static int pre_bl(PRE_ARGS); |
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static int pre_it(PRE_ARGS); |
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static int pre_cd(PRE_ARGS); |
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static int pre_er(PRE_ARGS); |
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static int pre_ex(PRE_ARGS); |
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static int pre_rv(PRE_ARGS); |
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static int pre_an(PRE_ARGS); |
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static int pre_st(PRE_ARGS); |
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static int pre_prologue(PRE_ARGS); |
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static int pre_prologue(PRE_ARGS); |
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static int pre_prologue(PRE_ARGS); |
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/* Specific post-child-parse routines. */ |
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static int herr_ge1(POST_ARGS); |
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static int hwarn_le1(POST_ARGS); |
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static int herr_eq0(POST_ARGS); |
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static int eerr_eq0(POST_ARGS); |
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static int eerr_le1(POST_ARGS); |
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static int eerr_le2(POST_ARGS); |
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static int eerr_eq1(POST_ARGS); |
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static int eerr_ge1(POST_ARGS); |
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static int ewarn_eq0(POST_ARGS); |
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static int ewarn_eq1(POST_ARGS); |
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static int bwarn_ge1(POST_ARGS); |
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static int hwarn_eq1(POST_ARGS); |
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static int ewarn_ge1(POST_ARGS); |
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static int ebool(POST_ARGS); |
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static int post_sh(POST_ARGS); |
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static int post_sh_body(POST_ARGS); |
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static int post_sh_head(POST_ARGS); |
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static int post_fd(POST_ARGS); |
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static int post_bl(POST_ARGS); |
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static int post_it(POST_ARGS); |
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static int post_ex(POST_ARGS); |
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static int post_an(POST_ARGS); |
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static int post_at(POST_ARGS); |
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static int post_xr(POST_ARGS); |
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static int post_nm(POST_ARGS); |
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static int post_bf(POST_ARGS); |
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static int post_root(POST_ARGS); |
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/* Collections of pre-child-parse routines. */ |
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static v_pre pres_prologue[] = { pre_prologue, NULL }; |
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static v_pre pres_d1[] = { pre_display, NULL }; |
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static v_pre pres_bd[] = { pre_display, pre_bd, NULL }; |
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static v_pre pres_bl[] = { pre_bl, NULL }; |
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static v_pre pres_it[] = { pre_it, NULL }; |
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static v_pre pres_ss[] = { pre_ss, NULL }; |
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static v_pre pres_sh[] = { pre_sh, NULL }; |
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static v_pre pres_cd[] = { pre_cd, NULL }; |
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static v_pre pres_er[] = { pre_er, NULL }; |
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static v_pre pres_ex[] = { pre_ex, NULL }; |
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static v_pre pres_rv[] = { pre_rv, NULL }; |
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static v_pre pres_an[] = { pre_an, NULL }; |
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static v_pre pres_st[] = { pre_st, NULL }; |
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/* Collections of post-child-parse routines. */ |
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static v_post posts_bool[] = { eerr_eq1, ebool, NULL }; |
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static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL }; |
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static v_post posts_text[] = { eerr_ge1, NULL }; |
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static v_post posts_wtext[] = { ewarn_ge1, NULL }; |
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static v_post posts_notext[] = { eerr_eq0, NULL }; |
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static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL }; |
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static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL }; |
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static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL }; |
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static v_post posts_it[] = { post_it, NULL }; |
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static v_post posts_in[] = { ewarn_eq1, NULL }; |
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static v_post posts_ss[] = { herr_ge1, NULL }; |
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static v_post posts_pf[] = { eerr_eq1, NULL }; |
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static v_post posts_pp[] = { ewarn_eq0, NULL }; |
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static v_post posts_ex[] = { eerr_le1, post_ex, NULL }; |
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static v_post posts_an[] = { post_an, NULL }; |
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static v_post posts_at[] = { post_at, NULL }; |
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static v_post posts_xr[] = { eerr_ge1, eerr_le2, post_xr, NULL }; |
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static v_post posts_nm[] = { post_nm, NULL }; |
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static v_post posts_bf[] = { hwarn_le1, post_bf, NULL }; |
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static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL }; |
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static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL }; |
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static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL }; |
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static v_post posts_fd[] = { ewarn_ge1, post_fd, NULL }; |
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/* Per-macro pre- and post-child-check routine collections. */ |
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const struct valids mdoc_valids[MDOC_MAX] = { |
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{ NULL, NULL }, /* \" */ |
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{ pres_prologue, posts_text }, /* Dd */ |
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{ pres_prologue, NULL }, /* Dt */ |
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{ pres_prologue, NULL }, /* Os */ |
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{ pres_sh, posts_sh }, /* Sh */ |
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{ pres_ss, posts_ss }, /* Ss */ |
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{ NULL, posts_pp }, /* Pp */ |
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{ pres_d1, posts_wline }, /* D1 */ |
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{ pres_d1, posts_wline }, /* Dl */ |
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{ pres_bd, posts_bd }, /* Bd */ |
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{ NULL, NULL }, /* Ed */ |
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{ pres_bl, posts_bl }, /* Bl */ |
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{ NULL, NULL }, /* El */ |
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{ pres_it, posts_it }, /* It */ |
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{ NULL, posts_text }, /* Ad */ |
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{ pres_an, posts_an }, /* An */ |
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{ NULL, NULL }, /* Ar */ |
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{ pres_cd, posts_text }, /* Cd */ |
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{ NULL, NULL }, /* Cm */ |
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{ NULL, posts_text }, /* Dv */ |
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{ pres_er, posts_text }, /* Er */ |
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{ NULL, posts_text }, /* Ev */ |
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{ pres_ex, posts_ex }, /* Ex */ |
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{ NULL, posts_text }, /* Fa */ |
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{ NULL, posts_fd }, /* Fd */ |
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{ NULL, NULL }, /* Fl */ |
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{ NULL, posts_text }, /* Fn */ |
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{ NULL, posts_wtext }, /* Ft */ |
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{ NULL, posts_text }, /* Ic */ |
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{ NULL, posts_in }, /* In */ |
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{ NULL, posts_text }, /* Li */ |
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{ NULL, posts_wtext }, /* Nd */ |
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{ NULL, posts_nm }, /* Nm */ |
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{ NULL, posts_wline }, /* Op */ |
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{ NULL, NULL }, /* Ot */ |
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{ NULL, NULL }, /* Pa */ |
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{ pres_rv, posts_notext }, /* Rv */ |
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{ pres_st, posts_notext }, /* St */ |
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{ NULL, posts_text }, /* Va */ |
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{ NULL, posts_text }, /* Vt */ |
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{ NULL, posts_xr }, /* Xr */ |
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{ NULL, posts_text }, /* %A */ |
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{ NULL, posts_text }, /* %B */ |
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{ NULL, posts_text }, /* %D */ |
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{ NULL, posts_text }, /* %I */ |
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{ NULL, posts_text }, /* %J */ |
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{ NULL, posts_text }, /* %N */ |
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{ NULL, posts_text }, /* %O */ |
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{ NULL, posts_text }, /* %P */ |
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{ NULL, posts_text }, /* %R */ |
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{ NULL, posts_text }, /* %T */ |
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{ NULL, posts_text }, /* %V */ |
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{ NULL, NULL }, /* Ac */ |
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{ NULL, NULL }, /* Ao */ |
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{ NULL, posts_wline }, /* Aq */ |
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{ NULL, posts_at }, /* At */ |
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{ NULL, NULL }, /* Bc */ |
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{ NULL, posts_bf }, /* Bf */ |
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{ NULL, NULL }, /* Bo */ |
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{ NULL, posts_wline }, /* Bq */ |
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{ NULL, NULL }, /* Bsx */ |
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{ NULL, NULL }, /* Bx */ |
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{ NULL, posts_bool }, /* Db */ |
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{ NULL, NULL }, /* Dc */ |
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{ NULL, NULL }, /* Do */ |
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{ NULL, posts_wline }, /* Dq */ |
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{ NULL, NULL }, /* Ec */ |
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{ NULL, NULL }, /* Ef */ |
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{ NULL, posts_text }, /* Em */ |
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{ NULL, NULL }, /* Eo */ |
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{ NULL, NULL }, /* Fx */ |
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{ NULL, posts_text }, /* Ms */ |
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{ NULL, posts_notext }, /* No */ |
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{ NULL, posts_notext }, /* 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, posts_pf }, /* Pf */ |
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{ NULL, NULL }, /* Po */ |
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{ NULL, posts_wline }, /* Pq */ |
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{ NULL, NULL }, /* Qc */ |
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{ NULL, posts_wline }, /* Ql */ |
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{ NULL, NULL }, /* Qo */ |
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{ NULL, posts_wline }, /* Qq */ |
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{ NULL, NULL }, /* Re */ |
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{ NULL, posts_rs }, /* Rs */ |
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{ NULL, NULL }, /* Sc */ |
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{ NULL, NULL }, /* So */ |
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{ NULL, posts_wline }, /* Sq */ |
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{ NULL, posts_bool }, /* Sm */ |
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{ NULL, posts_text }, /* Sx */ |
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{ NULL, posts_text }, /* Sy */ |
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{ NULL, posts_text }, /* 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, posts_fo }, /* 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, posts_bk }, /* Bk */ |
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{ NULL, NULL }, /* Ek */ |
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{ NULL, posts_notext }, /* Bt */ |
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{ NULL, NULL }, /* Hf */ |
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{ NULL, NULL }, /* Fr */ |
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{ NULL, posts_notext }, /* Ud */ |
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}; |
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int |
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mdoc_valid_pre(struct mdoc *mdoc, |
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const struct mdoc_node *node) |
{ |
{ |
size_t i; |
v_pre *p; |
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struct mdoc_arg *argv; |
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size_t argc, i, j, line, pos; |
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const char *tp; |
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assert(p->pos == 0); |
if (MDOC_TEXT == node->type) { |
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tp = node->data.text.string; |
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line = node->line; |
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pos = node->pos; |
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return(check_text(mdoc, line, pos, tp)); |
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} |
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for (i = 0; i < MIN(p->indent, INDENT); i++) |
if (MDOC_BLOCK == node->type || MDOC_ELEM == node->type) { |
if ( ! md_buf_putstring(p->mbuf, " ")) |
argv = MDOC_BLOCK == node->type ? |
return(0); |
node->data.block.argv : |
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node->data.elem.argv; |
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argc = MDOC_BLOCK == node->type ? |
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node->data.block.argc : |
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node->data.elem.argc; |
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p->pos += i * INDENT; |
for (i = 0; i < argc; i++) { |
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if (0 == argv[i].sz) |
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continue; |
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for (j = 0; j < argv[i].sz; j++) { |
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tp = argv[i].value[j]; |
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line = argv[i].line; |
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pos = argv[i].pos; |
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if ( ! check_text(mdoc, line, pos, tp)) |
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return(0); |
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} |
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} |
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} |
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if (NULL == mdoc_valids[node->tok].pre) |
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return(1); |
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for (p = mdoc_valids[node->tok].pre; *p; p++) |
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if ( ! (*p)(mdoc, node)) |
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return(0); |
return(1); |
return(1); |
} |
} |
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static int |
int |
mbuf_newline(struct md_valid *p) |
mdoc_valid_post(struct mdoc *mdoc) |
{ |
{ |
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v_post *p; |
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if ( ! md_buf_putchar(p->mbuf, '\n')) |
/* |
return(0); |
* This check occurs after the macro's children have been filled |
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* in: postfix validation. Since this happens when we're |
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* rewinding the scope tree, it's possible to have multiple |
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* invocations (as by design, for now), we set bit MDOC_VALID to |
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* indicate that we've validated. |
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*/ |
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p->pos = 0; |
if (MDOC_VALID & mdoc->last->flags) |
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return(1); |
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mdoc->last->flags |= MDOC_VALID; |
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if (MDOC_TEXT == mdoc->last->type) |
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return(1); |
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if (MDOC_ROOT == mdoc->last->type) |
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return(post_root(mdoc)); |
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if (NULL == mdoc_valids[mdoc->last->tok].post) |
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return(1); |
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for (p = mdoc_valids[mdoc->last->tok].post; *p; p++) |
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if ( ! (*p)(mdoc)) |
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return(0); |
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return(1); |
return(1); |
} |
} |
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static int |
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mbuf_data(struct md_valid *p, char *buf) |
static inline int |
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warn_count(struct mdoc *m, const char *k, |
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int want, const char *v, int has) |
{ |
{ |
size_t sz; |
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char *bufp; |
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assert(p->mbuf); |
return(mdoc_warn(m, WARN_SYNTAX, |
assert(0 != p->indent); |
"suggests %s %s %d (has %d)", |
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v, k, want, has)); |
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} |
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if (MD_LITERAL & p->flags) |
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return(md_buf_putstring(p->mbuf, buf)); |
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while (*buf) { |
static inline int |
while (*buf && isspace(*buf)) |
err_count(struct mdoc *m, const char *k, |
buf++; |
int want, const char *v, int has) |
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{ |
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if (0 == *buf) |
return(mdoc_err(m, "requires %s %s %d (has %d)", |
break; |
v, k, want, has)); |
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} |
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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) |
static inline int |
*buf++ = 0; |
count_child(struct mdoc *mdoc) |
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{ |
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int i; |
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struct mdoc_node *n; |
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/* Process word. */ |
for (i = 0, n = mdoc->last->child; n; n = n->next, i++) |
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/* Do nothing */ ; |
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sz = strlen(bufp); |
return(i); |
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} |
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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 ( ! md_buf_putstring(p->mbuf, bufp)) |
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return(0); |
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if (p->indent * INDENT + sz >= 72) { |
/* |
if ( ! mbuf_newline(p)) |
* Build these up with macros because they're basically the same check |
return(0); |
* for different inequalities. Yes, this could be done with functions, |
continue; |
* but this is reasonable for now. |
} |
*/ |
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if ( ! md_buf_putchar(p->mbuf, ' ')) |
#define CHECK_CHILD_DEFN(lvl, name, ineq) \ |
return(0); |
static int \ |
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lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \ |
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{ \ |
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int i; \ |
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if ((i = count_child(mdoc)) ineq sz) \ |
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return(1); \ |
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return(lvl##_count(mdoc, #ineq, sz, p, i)); \ |
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} |
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p->pos += sz + 1; |
#define CHECK_BODY_DEFN(name, lvl, func, num) \ |
continue; |
static int \ |
} |
b##lvl##_##name(POST_ARGS) \ |
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{ \ |
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if (MDOC_BODY != mdoc->last->type) \ |
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return(1); \ |
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return(func(mdoc, "multiline parameters", (num))); \ |
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} |
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if (sz + p->pos >= 72) { |
#define CHECK_ELEM_DEFN(name, lvl, func, num) \ |
if ( ! mbuf_newline(p)) |
static int \ |
return(0); |
e##lvl##_##name(POST_ARGS) \ |
if ( ! mbuf_indent(p)) |
{ \ |
return(0); |
assert(MDOC_ELEM == mdoc->last->type); \ |
} |
return(func(mdoc, "line parameters", (num))); \ |
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} |
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if ( ! md_buf_putstring(p->mbuf, bufp)) |
#define CHECK_HEAD_DEFN(name, lvl, func, num) \ |
return(0); |
static int \ |
if ( ! md_buf_putchar(p->mbuf, ' ')) |
h##lvl##_##name(POST_ARGS) \ |
return(0); |
{ \ |
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if (MDOC_HEAD != mdoc->last->type) \ |
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return(1); \ |
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return(func(mdoc, "line parameters", (num))); \ |
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} |
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p->pos += sz + 1; |
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CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */ |
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CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */ |
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CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */ |
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CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */ |
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CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */ |
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CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */ |
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CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */ |
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CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */ |
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CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */ |
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CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */ |
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CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */ |
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CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */ |
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CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */ |
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CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */ |
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CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */ |
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CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */ |
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CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */ |
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CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */ |
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CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */ |
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static int |
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check_stdarg(PRE_ARGS) |
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{ |
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if (MDOC_Std == n->data.elem.argv[0].arg && |
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1 == n->data.elem.argc) |
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return(1); |
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|
|
return(mdoc_nwarn(mdoc, n, WARN_COMPAT, |
|
"one argument suggested")); |
|
} |
|
|
|
|
|
static int |
|
check_msec(PRE_ARGS, int sz, enum mdoc_msec *msecs) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < sz; i++) |
|
if (msecs[i] == mdoc->meta.msec) |
|
return(1); |
|
return(mdoc_nwarn(mdoc, n, WARN_COMPAT, |
|
"invalid manual section")); |
|
} |
|
|
|
|
|
static int |
|
check_text(struct mdoc *mdoc, size_t line, size_t pos, const char *p) |
|
{ |
|
size_t c; |
|
|
|
for ( ; *p; p++) { |
|
if ( ! isprint(*p) && '\t' != *p) |
|
return(mdoc_perr(mdoc, line, pos, |
|
"invalid characters")); |
|
if ('\\' != *p) |
|
continue; |
|
if ((c = mdoc_isescape(p))) { |
|
p += (c - 1); |
|
continue; |
|
} |
|
return(mdoc_perr(mdoc, line, pos, |
|
"invalid escape sequence")); |
} |
} |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
int |
|
md_line_valid(void *arg, char *buf) |
|
|
static int |
|
check_parent(PRE_ARGS, int tok, enum mdoc_type t) |
{ |
{ |
struct md_valid *p; |
|
|
|
p = (struct md_valid *)arg; |
assert(n->parent); |
return(roff_engine(p->tree, buf)); |
if ((MDOC_ROOT == t || tok == n->parent->tok) && |
|
(t == n->parent->type)) |
|
return(1); |
|
|
|
return(mdoc_nerr(mdoc, n, "require parent %s", |
|
MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok])); |
} |
} |
|
|
|
|
int |
|
md_exit_valid(void *data, int flush) |
static int |
|
pre_display(PRE_ARGS) |
{ |
{ |
int c; |
struct mdoc_node *node; |
struct md_valid *p; |
|
|
|
p = (struct md_valid *)data; |
/* Display elements (`Bd', `D1'...) cannot be nested. */ |
c = roff_free(p->tree, flush); |
|
free(p); |
|
|
|
return(c); |
if (MDOC_BLOCK != n->type) |
|
return(1); |
|
|
|
/* LINTED */ |
|
for (node = mdoc->last->parent; node; node = node->parent) |
|
if (MDOC_BLOCK == node->type) |
|
if (MDOC_Bd == node->tok) |
|
break; |
|
if (NULL == node) |
|
return(1); |
|
|
|
return(mdoc_nerr(mdoc, n, "displays may not be nested")); |
} |
} |
|
|
|
|
void * |
static int |
md_init_valid(const struct md_args *args, |
pre_bl(PRE_ARGS) |
struct md_mbuf *mbuf, const struct md_rbuf *rbuf) |
|
{ |
{ |
struct roffcb cb; |
int type, err, i; |
struct md_valid *p; |
struct mdoc_arg *argv; |
|
size_t argc; |
|
|
cb.roffhead = roffhead; |
if (MDOC_BLOCK != n->type) |
cb.rofftail = rofftail; |
return(1); |
cb.roffin = roffin; |
|
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)))) |
argc = n->data.block.argc; |
err(1, "malloc"); |
|
|
|
p->args = args; |
/* Make sure that only one type of list is specified. */ |
p->mbuf = mbuf; |
|
p->rbuf = rbuf; |
|
|
|
assert(mbuf); |
/* LINTED */ |
|
for (i = 0, type = err = 0; i < (int)argc; i++) { |
|
argv = &n->data.block.argv[i]; |
|
|
if (NULL == (p->tree = roff_alloc(&cb, p))) { |
switch (argv->arg) { |
free(p); |
case (MDOC_Bullet): |
return(NULL); |
/* FALLTHROUGH */ |
|
case (MDOC_Dash): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Enum): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Item): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Tag): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Diag): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hang): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ohang): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Inset): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Column): |
|
if (0 == type++) |
|
break; |
|
return(mdoc_perr(mdoc, argv->line, argv->pos, |
|
"multiple types specified")); |
|
default: |
|
break; |
|
} |
} |
} |
|
|
return(p); |
if (type) |
|
return(1); |
|
return(mdoc_err(mdoc, "no type specified")); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static int |
static int |
roffhead(void *arg) |
pre_bd(PRE_ARGS) |
{ |
{ |
struct md_valid *p; |
int type, err, i; |
|
struct mdoc_arg *argv; |
|
size_t argc; |
|
|
assert(arg); |
if (MDOC_BLOCK != n->type) |
p = (struct md_valid *)arg; |
return(1); |
|
|
if ( ! md_buf_putstring(p->mbuf, "BEGIN")) |
argc = n->data.block.argc; |
return(0); |
|
p->indent++; |
|
if ( ! mbuf_newline(p)) |
|
return(0); |
|
|
|
return(1); |
/* Make sure that only one type of display is specified. */ |
|
|
|
/* LINTED */ |
|
for (i = 0, err = type = 0; ! err && i < (int)argc; i++) { |
|
argv = &n->data.block.argv[i]; |
|
|
|
switch (argv->arg) { |
|
case (MDOC_Ragged): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Unfilled): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Filled): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Literal): |
|
/* FALLTHROUGH */ |
|
case (MDOC_File): |
|
if (0 == type++) |
|
break; |
|
return(mdoc_perr(mdoc, argv->line, argv->pos, |
|
"multiple types specified")); |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
if (type) |
|
return(1); |
|
return(mdoc_err(mdoc, "no type specified")); |
} |
} |
|
|
|
|
static int |
static int |
rofftail(void *arg) |
pre_ss(PRE_ARGS) |
{ |
{ |
struct md_valid *p; |
|
|
|
assert(arg); |
if (MDOC_BLOCK != n->type) |
p = (struct md_valid *)arg; |
return(1); |
|
return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY)); |
|
} |
|
|
if (0 != p->pos && ! mbuf_newline(p)) |
|
return(0); |
|
|
|
if ( ! md_buf_putstring(p->mbuf, "END\n")) |
static int |
return(0); |
pre_sh(PRE_ARGS) |
return(1); |
{ |
|
|
|
if (MDOC_BLOCK != n->type) |
|
return(1); |
|
return(check_parent(mdoc, n, -1, MDOC_ROOT)); |
} |
} |
|
|
|
|
static int |
static int |
roffspecial(void *arg, int tok) |
pre_it(PRE_ARGS) |
{ |
{ |
|
|
return(1); |
/* TODO: -width attribute must be specified for -tag. */ |
|
/* TODO: children too big for -width? */ |
|
|
|
if (MDOC_BLOCK != n->type) |
|
return(1); |
|
return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY)); |
} |
} |
|
|
|
|
static int |
static int |
roffblkin(void *arg, int tok, int *argc, char **argv) |
pre_st(PRE_ARGS) |
{ |
{ |
struct md_valid *p; |
|
|
|
assert(arg); |
if (1 == n->data.elem.argc) |
p = (struct md_valid *)arg; |
return(1); |
|
return(mdoc_nerr(mdoc, n, "one argument required")); |
|
} |
|
|
if (0 != p->pos) { |
|
if ( ! mbuf_newline(p)) |
static int |
return(0); |
pre_an(PRE_ARGS) |
if ( ! mbuf_indent(p)) |
{ |
return(0); |
|
} else if ( ! mbuf_indent(p)) |
if (1 >= n->data.elem.argc) |
|
return(1); |
|
return(mdoc_nerr(mdoc, n, "one argument allowed")); |
|
} |
|
|
|
|
|
static int |
|
pre_rv(PRE_ARGS) |
|
{ |
|
enum mdoc_msec msecs[] = { MSEC_2, MSEC_3 }; |
|
|
|
if ( ! check_msec(mdoc, n, 2, msecs)) |
return(0); |
return(0); |
|
return(check_stdarg(mdoc, n)); |
|
} |
|
|
if ( ! md_buf_putchar(p->mbuf, '<')) |
|
|
static int |
|
pre_ex(PRE_ARGS) |
|
{ |
|
enum mdoc_msec msecs[] = { MSEC_1, MSEC_6, MSEC_8 }; |
|
|
|
if ( ! check_msec(mdoc, n, 3, msecs)) |
return(0); |
return(0); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
return(check_stdarg(mdoc, n)); |
return(0); |
} |
if ( ! md_buf_putchar(p->mbuf, '>')) |
|
return(0); |
|
if ( ! mbuf_newline(p)) |
|
return(0); |
|
|
|
p->indent++; |
|
return(1); |
static int |
|
pre_er(PRE_ARGS) |
|
{ |
|
enum mdoc_msec msecs[] = { MSEC_2 }; |
|
|
|
return(check_msec(mdoc, n, 1, msecs)); |
} |
} |
|
|
|
|
static int |
static int |
roffblkout(void *arg, int tok) |
pre_cd(PRE_ARGS) |
{ |
{ |
struct md_valid *p; |
enum mdoc_msec msecs[] = { MSEC_4 }; |
|
|
assert(arg); |
return(check_msec(mdoc, n, 1, msecs)); |
p = (struct md_valid *)arg; |
} |
|
|
p->indent--; |
|
|
|
if (0 != p->pos) { |
static int |
if ( ! mbuf_newline(p)) |
pre_prologue(PRE_ARGS) |
return(0); |
{ |
if ( ! mbuf_indent(p)) |
|
return(0); |
|
} else if ( ! mbuf_indent(p)) |
|
return(0); |
|
|
|
if ( ! md_buf_putstring(p->mbuf, "</")) |
if (SEC_PROLOGUE != mdoc->lastnamed) |
return(0); |
return(mdoc_nerr(mdoc, n, "prologue only")); |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
|
return(0); |
|
if ( ! md_buf_putstring(p->mbuf, ">")) |
|
return(0); |
|
if ( ! mbuf_newline(p)) |
|
return(0); |
|
|
|
return(1); |
/* Check for ordering. */ |
|
|
|
switch (n->tok) { |
|
case (MDOC_Os): |
|
if (mdoc->meta.title && mdoc->meta.date) |
|
break; |
|
return(mdoc_nerr(mdoc, n, "prologue out-of-order")); |
|
case (MDOC_Dt): |
|
if (NULL == mdoc->meta.title && mdoc->meta.date) |
|
break; |
|
return(mdoc_nerr(mdoc, n, "prologue out-of-order")); |
|
case (MDOC_Dd): |
|
if (NULL == mdoc->meta.title && 0 == mdoc->meta.date) |
|
break; |
|
return(mdoc_nerr(mdoc, n, "prologue out-of-order")); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
/* Check for repetition. */ |
|
|
|
switch (n->tok) { |
|
case (MDOC_Os): |
|
if (NULL == mdoc->meta.os) |
|
return(1); |
|
break; |
|
case (MDOC_Dd): |
|
if (0 == mdoc->meta.date) |
|
return(1); |
|
break; |
|
case (MDOC_Dt): |
|
if (NULL == mdoc->meta.title) |
|
return(1); |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
return(mdoc_nerr(mdoc, n, "prologue repetition")); |
} |
} |
|
|
|
|
static int |
static int |
roffin(void *arg, int tok, int *argcp, char **argvp) |
post_bf(POST_ARGS) |
{ |
{ |
struct md_valid *p; |
char *p; |
|
struct mdoc_node *head; |
|
|
assert(arg); |
if (MDOC_BLOCK != mdoc->last->type) |
p = (struct md_valid *)arg; |
return(1); |
|
|
if (0 == p->pos && ! mbuf_indent(p)) |
head = mdoc->last->data.block.head; |
return(0); |
|
|
|
if ( ! md_buf_putstring(p->mbuf, "<")) |
if (0 == mdoc->last->data.block.argc) { |
return(0); |
if (NULL == head->child) |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
return(mdoc_err(mdoc, "argument expected")); |
return(0); |
|
if ( ! md_buf_putstring(p->mbuf, ">")) |
|
return(0); |
|
|
|
p->pos += strlen(toknames[tok]) + 2; |
p = head->child->data.text.string; |
|
if (xstrcmp(p, "Em")) |
|
return(1); |
|
else if (xstrcmp(p, "Li")) |
|
return(1); |
|
else if (xstrcmp(p, "Sm")) |
|
return(1); |
|
return(mdoc_nerr(mdoc, head->child, "invalid font")); |
|
} |
|
|
return(1); |
if (head->child) |
|
return(mdoc_err(mdoc, "argument expected")); |
|
|
|
if (1 == mdoc->last->data.block.argc) |
|
return(1); |
|
return(mdoc_err(mdoc, "argument expected")); |
} |
} |
|
|
|
|
static int |
static int |
roffout(void *arg, int tok) |
post_nm(POST_ARGS) |
{ |
{ |
struct md_valid *p; |
|
|
|
assert(arg); |
if (mdoc->last->child) |
p = (struct md_valid *)arg; |
return(1); |
|
if (mdoc->meta.name) |
|
return(1); |
|
return(mdoc_err(mdoc, "not yet invoked with name")); |
|
} |
|
|
if (0 == p->pos && ! mbuf_indent(p)) |
|
return(0); |
|
|
|
if ( ! md_buf_putstring(p->mbuf, "</")) |
static int |
return(0); |
post_xr(POST_ARGS) |
if ( ! md_buf_putstring(p->mbuf, toknames[tok])) |
{ |
return(0); |
struct mdoc_node *n; |
if ( ! md_buf_putstring(p->mbuf, "> ")) |
|
return(0); |
|
|
|
p->pos += strlen(toknames[tok]) + 3; |
if (NULL == (n = mdoc->last->child->next)) |
|
return(1); |
|
if (MSEC_DEFAULT != mdoc_atomsec(n->data.text.string)) |
|
return(1); |
|
return(mdoc_nerr(mdoc, n, "invalid manual section")); |
|
} |
|
|
|
|
|
static int |
|
post_at(POST_ARGS) |
|
{ |
|
|
|
if (NULL == mdoc->last->child) |
|
return(1); |
|
if (ATT_DEFAULT != mdoc_atoatt(mdoc->last->child->data.text.string)) |
|
return(1); |
|
return(mdoc_err(mdoc, "require valid symbol")); |
|
} |
|
|
|
|
|
static int |
|
post_an(POST_ARGS) |
|
{ |
|
|
|
if (0 != mdoc->last->data.elem.argc) { |
|
if (NULL == mdoc->last->child) |
|
return(1); |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
} |
|
|
|
if (mdoc->last->child) |
|
return(1); |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
} |
|
|
|
|
|
static int |
|
post_ex(POST_ARGS) |
|
{ |
|
|
|
if (0 == mdoc->last->data.elem.argc) { |
|
if (mdoc->last->child) |
|
return(1); |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
} |
|
if (mdoc->last->child) |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
if (1 != mdoc->last->data.elem.argc) |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
if (MDOC_Std != mdoc->last->data.elem.argv[0].arg) |
|
return(mdoc_err(mdoc, "argument(s) expected")); |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
|
static int |
|
post_it(POST_ARGS) |
|
{ |
|
int type, sv, i; |
|
#define TYPE_NONE (0) |
|
#define TYPE_BODY (1) |
|
#define TYPE_HEAD (2) |
|
#define TYPE_OHEAD (3) |
|
size_t argc; |
|
struct mdoc_node *n; |
|
|
static void |
if (MDOC_BLOCK != mdoc->last->type) |
roffmsg(void *arg, enum roffmsg lvl, |
return(1); |
const char *buf, const char *pos, char *msg) |
|
|
n = mdoc->last->parent->parent; |
|
|
|
argc = n->data.block.argc; |
|
type = TYPE_NONE; |
|
sv = -1; |
|
|
|
/* Some types require block-head, some not. */ |
|
|
|
/* LINTED */ |
|
for (i = 0; TYPE_NONE == type && i < (int)argc; i++) |
|
switch (n->data.block.argv[i].arg) { |
|
case (MDOC_Tag): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Diag): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hang): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ohang): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Inset): |
|
type = TYPE_HEAD; |
|
sv = n->data.block.argv[i].arg; |
|
break; |
|
case (MDOC_Bullet): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dash): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Enum): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Hyphen): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Item): |
|
type = TYPE_BODY; |
|
sv = n->data.block.argv[i].arg; |
|
break; |
|
case (MDOC_Column): |
|
type = TYPE_OHEAD; |
|
sv = n->data.block.argv[i].arg; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
assert(TYPE_NONE != type); |
|
|
|
n = mdoc->last->data.block.head; |
|
|
|
if (TYPE_HEAD == type) { |
|
if (NULL == n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"argument(s) suggested")) |
|
return(0); |
|
|
|
n = mdoc->last->data.block.body; |
|
if (NULL == n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"multiline body suggested")) |
|
return(0); |
|
|
|
} else if (TYPE_BODY == type) { |
|
if (n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"no argument suggested")) |
|
return(0); |
|
|
|
n = mdoc->last->data.block.body; |
|
if (NULL == n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"multiline body suggested")) |
|
return(0); |
|
} else { |
|
if (NULL == n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"argument(s) suggested")) |
|
return(0); |
|
|
|
n = mdoc->last->data.block.body; |
|
if (n->child) |
|
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, |
|
"no multiline body suggested")) |
|
return(0); |
|
} |
|
|
|
if (MDOC_Column != sv) |
|
return(1); |
|
|
|
argc = mdoc->last->parent->parent->data.block.argv->sz; |
|
n = mdoc->last->data.block.head->child; |
|
|
|
for (i = 0; n; n = n->next) |
|
i++; |
|
|
|
if (i == (int)argc) |
|
return(1); |
|
|
|
return(mdoc_err(mdoc, "need %zu columns (have %d)", argc, i)); |
|
#undef TYPE_NONE |
|
#undef TYPE_BODY |
|
#undef TYPE_HEAD |
|
#undef TYPE_OHEAD |
|
} |
|
|
|
|
|
static int |
|
post_bl(POST_ARGS) |
{ |
{ |
char *level; |
struct mdoc_node *n; |
struct md_valid *p; |
|
|
|
assert(arg); |
if (MDOC_BODY != mdoc->last->type) |
p = (struct md_valid *)arg; |
return(1); |
|
|
switch (lvl) { |
/* LINTED */ |
case (ROFF_WARN): |
for (n = mdoc->last->child; n; n = n->next) { |
if ( ! (MD_WARN_ALL & p->args->warnings)) |
if (MDOC_BLOCK == n->type) |
return; |
if (MDOC_It == n->tok) |
level = "warning"; |
continue; |
break; |
break; |
case (ROFF_ERROR): |
} |
level = "error"; |
|
|
if (NULL == n) |
|
return(1); |
|
|
|
return(mdoc_nerr(mdoc, n, "bad child of parent list")); |
|
} |
|
|
|
|
|
static int |
|
ebool(struct mdoc *mdoc) |
|
{ |
|
struct mdoc_node *n; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last->child; n; n = n->next) { |
|
if (MDOC_TEXT != n->type) |
|
break; |
|
if (xstrcmp(n->data.text.string, "on")) |
|
continue; |
|
if (xstrcmp(n->data.text.string, "off")) |
|
continue; |
break; |
break; |
default: |
|
abort(); |
|
} |
} |
|
|
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); |
|
|
|
|
if (NULL == n) |
|
return(1); |
|
return(mdoc_nerr(mdoc, n, "expected boolean")); |
} |
} |
|
|
|
|
static int |
static int |
roffdata(void *arg, char *buf) |
post_root(POST_ARGS) |
{ |
{ |
struct md_valid *p; |
|
|
|
assert(arg); |
if (NULL == mdoc->first->child) |
p = (struct md_valid *)arg; |
return(mdoc_err(mdoc, "document lacks data")); |
return(mbuf_data(p, buf)); |
if (SEC_PROLOGUE == mdoc->lastnamed) |
|
return(mdoc_err(mdoc, "document lacks prologue")); |
|
|
|
if (MDOC_BLOCK != mdoc->first->child->type) |
|
return(mdoc_err(mdoc, "lacking post-prologue %s", |
|
mdoc_macronames[MDOC_Sh])); |
|
if (MDOC_Sh != mdoc->first->child->tok) |
|
return(mdoc_err(mdoc, "lacking post-prologue %s", |
|
mdoc_macronames[MDOC_Sh])); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
post_sh(POST_ARGS) |
|
{ |
|
|
|
if (MDOC_HEAD == mdoc->last->type) |
|
return(post_sh_head(mdoc)); |
|
if (MDOC_BODY == mdoc->last->type) |
|
return(post_sh_body(mdoc)); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
post_sh_body(POST_ARGS) |
|
{ |
|
struct mdoc_node *n; |
|
|
|
if (SEC_NAME != mdoc->lastnamed) |
|
return(1); |
|
|
|
/* |
|
* Warn if the NAME section doesn't contain the `Nm' and `Nd' |
|
* macros (can have multiple `Nm' and one `Nd'). Note that the |
|
* children of the BODY declaration can also be "text". |
|
*/ |
|
|
|
if (NULL == (n = mdoc->last->child)) |
|
return(mdoc_warn(mdoc, WARN_SYNTAX, |
|
"section should have %s and %s", |
|
mdoc_macronames[MDOC_Nm], |
|
mdoc_macronames[MDOC_Nd])); |
|
|
|
for ( ; n && n->next; n = n->next) { |
|
if (MDOC_ELEM == n->type && MDOC_Nm == n->tok) |
|
continue; |
|
if (MDOC_TEXT == n->type) |
|
continue; |
|
if ( ! (mdoc_nwarn(mdoc, n, WARN_SYNTAX, |
|
"section should have %s first", |
|
mdoc_macronames[MDOC_Nm]))) |
|
return(0); |
|
} |
|
|
|
if (MDOC_ELEM == n->type && MDOC_Nd == n->tok) |
|
return(1); |
|
|
|
return(mdoc_warn(mdoc, WARN_SYNTAX, |
|
"section should have %s last", |
|
mdoc_macronames[MDOC_Nd])); |
|
} |
|
|
|
|
|
static int |
|
post_sh_head(POST_ARGS) |
|
{ |
|
char buf[64]; |
|
enum mdoc_sec sec; |
|
|
|
assert(MDOC_Sh == mdoc->last->tok); |
|
|
|
if ( ! xstrlcats(buf, mdoc->last->child, sizeof(buf))) |
|
return(mdoc_err(mdoc, "argument too long")); |
|
|
|
sec = mdoc_atosec(buf); |
|
|
|
if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec) |
|
return(mdoc_warn(mdoc, WARN_SYNTAX, |
|
"section NAME should be first")); |
|
if (SEC_CUSTOM == sec) |
|
return(1); |
|
if (sec == mdoc->lastnamed) |
|
return(mdoc_warn(mdoc, WARN_SYNTAX, |
|
"section repeated")); |
|
if (sec < mdoc->lastnamed) |
|
return(mdoc_warn(mdoc, WARN_SYNTAX, |
|
"section out of order")); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
post_fd(POST_ARGS) |
|
{ |
|
|
|
if (SEC_SYNOPSIS == mdoc->last->sec) |
|
return(1); |
|
return(mdoc_warn(mdoc, WARN_COMPAT, |
|
"suggested only in section SYNOPSIS")); |
} |
} |