version 1.17, 2009/01/07 15:53:00 |
version 1.25, 2009/01/12 12:52:21 |
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#include "private.h" |
#include "private.h" |
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typedef int (*v_pre)(struct mdoc *, int, int, |
typedef int (*v_pre)(struct mdoc *, struct mdoc_node *); |
int, const struct mdoc_arg *); |
typedef int (*v_post)(struct mdoc *); |
typedef int (*v_post)(struct mdoc *, int, int); |
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struct valids { |
struct valids { |
v_pre pre; |
v_pre *pre; |
v_post *post; |
v_post *post; |
}; |
}; |
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static int pre_sh(struct mdoc *, int, int, |
static int pre_display(struct mdoc *, struct mdoc_node *); |
int, const struct mdoc_arg *); |
static int pre_bd(struct mdoc *, struct mdoc_node *); |
static int post_headchild_err_ge1(struct mdoc *, int, int); |
static int pre_bl(struct mdoc *, struct mdoc_node *); |
static int post_headchild_err_le8(struct mdoc *, int, int); |
static int pre_it(struct mdoc *, struct mdoc_node *); |
static int post_bodychild_warn_ge1(struct mdoc *, int, int); |
static int pre_prologue(struct mdoc *, struct mdoc_node *); |
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static int pre_prologue(struct mdoc *, struct mdoc_node *); |
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static int pre_prologue(struct mdoc *, struct mdoc_node *); |
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static v_post posts_sh[] = { post_headchild_err_ge1, |
static int headchild_err_ge1(struct mdoc *); |
post_bodychild_warn_ge1, |
static int headchild_err_eq0(struct mdoc *); |
post_headchild_err_le8, NULL }; |
static int elemchild_err_ge1(struct mdoc *); |
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static int elemchild_warn_eq0(struct mdoc *); |
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static int bodychild_warn_ge1(struct mdoc *); |
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static int post_sh(struct mdoc *); |
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static int post_bl(struct mdoc *); |
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static int post_it(struct mdoc *); |
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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_post posts_bd[] = { headchild_err_eq0, |
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bodychild_warn_ge1, NULL }; |
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static v_post posts_sh[] = { headchild_err_ge1, |
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bodychild_warn_ge1, post_sh, NULL }; |
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static v_post posts_bl[] = { headchild_err_eq0, |
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bodychild_warn_ge1, post_bl, NULL }; |
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static v_post posts_it[] = { post_it, NULL }; |
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static v_post posts_ss[] = { headchild_err_ge1, NULL }; |
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static v_post posts_pp[] = { elemchild_warn_eq0, NULL }; |
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static v_post posts_dd[] = { elemchild_err_ge1, NULL }; |
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static v_post posts_d1[] = { headchild_err_ge1, NULL }; |
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const struct valids mdoc_valids[MDOC_MAX] = { |
const struct valids mdoc_valids[MDOC_MAX] = { |
{ NULL, NULL }, /* \" */ |
{ NULL, NULL }, /* \" */ |
{ NULL, NULL }, /* Dd */ /* TODO */ |
{ pres_prologue, posts_dd }, /* Dd */ |
{ NULL, NULL }, /* Dt */ /* TODO */ |
{ pres_prologue, NULL }, /* Dt */ |
{ NULL, NULL }, /* Os */ /* TODO */ |
{ pres_prologue, NULL }, /* Os */ |
{ pre_sh, posts_sh }, /* Sh */ /* FIXME: preceding Pp. */ |
{ NULL, posts_sh }, /* Sh */ /* FIXME: preceding Pp. */ |
{ NULL, NULL }, /* Ss */ /* FIXME: preceding Pp. */ |
{ NULL, posts_ss }, /* Ss */ /* FIXME: preceding Pp. */ |
{ NULL, NULL }, /* Pp */ |
{ NULL, posts_pp }, /* Pp */ /* FIXME: proceeding... */ |
{ NULL, NULL }, /* D1 */ |
{ pres_d1, posts_d1 }, /* D1 */ |
{ NULL, NULL }, /* Dl */ |
{ pres_d1, posts_d1 }, /* Dl */ |
{ NULL, NULL }, /* Bd */ /* FIXME: preceding Pp. */ |
{ pres_bd, posts_bd }, /* Bd */ /* FIXME: preceding Pp. */ |
{ NULL, NULL }, /* Ed */ |
{ NULL, NULL }, /* Ed */ |
{ NULL, NULL }, /* Bl */ /* FIXME: preceding Pp. */ |
{ pres_bl, posts_bl }, /* Bl */ /* FIXME: preceding Pp. */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* It */ |
{ pres_it, posts_it }, /* It */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* An */ |
{ NULL, NULL }, /* An */ |
{ NULL, NULL }, /* Ar */ |
{ NULL, NULL }, /* Ar */ |
Line 155 const struct valids mdoc_valids[MDOC_MAX] = { |
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Line 179 const struct valids mdoc_valids[MDOC_MAX] = { |
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static int |
static int |
post_bodychild_warn_ge1(struct mdoc *mdoc, int tok, int pos) |
bodychild_warn_ge1(struct mdoc *mdoc) |
{ |
{ |
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if (MDOC_BODY != mdoc->last->type) |
if (MDOC_BODY != mdoc->last->type) |
return(1); |
return(1); |
if (mdoc->last->child) |
if (mdoc->last->child) |
return(1); |
return(1); |
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return(mdoc_warn(mdoc, WARN_ARGS_GE1)); |
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} |
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return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)); |
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static int |
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elemchild_warn_eq0(struct mdoc *mdoc) |
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{ |
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assert(MDOC_ELEM == mdoc->last->type); |
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if (NULL == mdoc->last->child) |
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return(1); |
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return(mdoc_pwarn(mdoc, mdoc->last->child->line, |
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mdoc->last->child->pos, WARN_ARGS_EQ0)); |
} |
} |
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static int |
static int |
post_headchild_err_ge1(struct mdoc *mdoc, int tok, int pos) |
elemchild_err_ge1(struct mdoc *mdoc) |
{ |
{ |
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assert(MDOC_ELEM == mdoc->last->type); |
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if (mdoc->last->child) |
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return(1); |
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return(mdoc_err(mdoc, ERR_ARGS_GE1)); |
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} |
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static int |
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headchild_err_eq0(struct mdoc *mdoc) |
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{ |
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if (MDOC_HEAD != mdoc->last->type) |
if (MDOC_HEAD != mdoc->last->type) |
return(1); |
return(1); |
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if (NULL == mdoc->last->child) |
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return(1); |
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return(mdoc_perr(mdoc, mdoc->last->child->line, |
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mdoc->last->child->pos, ERR_ARGS_EQ0)); |
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} |
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static int |
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headchild_err_ge1(struct mdoc *mdoc) |
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{ |
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if (MDOC_HEAD != mdoc->last->type) |
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return(1); |
if (mdoc->last->child) |
if (mdoc->last->child) |
return(1); |
return(1); |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
return(mdoc_err(mdoc, ERR_ARGS_GE1)); |
} |
} |
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static int |
static int |
post_headchild_err_le8(struct mdoc *mdoc, int tok, int pos) |
pre_display(struct mdoc *mdoc, struct mdoc_node *node) |
{ |
{ |
int i; |
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struct mdoc_node *n; |
struct mdoc_node *n; |
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if (MDOC_HEAD != mdoc->last->type) |
if (MDOC_BLOCK != node->type) |
return(1); |
return(1); |
for (i = 0, n = mdoc->last->child; n; n = n->next, i++) |
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/* Do nothing. */ ; |
for (n = mdoc->last; n; n = n->parent) |
if (i <= 8) |
if (MDOC_BLOCK == n->type) |
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if (MDOC_Bd == n->tok) |
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break; |
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if (NULL == n) |
return(1); |
return(1); |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE8)); |
return(mdoc_verr(mdoc, node, ERR_SCOPE_NONEST)); |
} |
} |
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static int |
static int |
pre_sh(struct mdoc *mdoc, int tok, int pos, |
pre_bl(struct mdoc *mdoc, struct mdoc_node *node) |
int argc, const struct mdoc_arg *argv) |
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{ |
{ |
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int type, err; |
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struct mdoc_arg *argv; |
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size_t i, argc; |
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return(1); |
if (MDOC_BLOCK != node->type) |
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return(1); |
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assert(MDOC_Bl == node->tok); |
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argv = NULL; |
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argc = node->data.block.argc; |
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for (i = type = err = 0; i < argc; i++) { |
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argv = &node->data.block.argv[(int)i]; |
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assert(argv); |
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switch (argv->arg) { |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Hang): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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if (type) |
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err++; |
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type++; |
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break; |
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default: |
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break; |
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} |
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} |
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if (0 == type) |
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return(mdoc_err(mdoc, ERR_SYNTAX_ARGMISS)); |
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if (0 == err) |
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return(1); |
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assert(argv); |
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return(mdoc_perr(mdoc, argv->line, |
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argv->pos, ERR_SYNTAX_ARGBAD)); |
} |
} |
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int |
static int |
mdoc_valid_pre(struct mdoc *mdoc, int tok, int pos, |
pre_bd(struct mdoc *mdoc, struct mdoc_node *node) |
int argc, const struct mdoc_arg *argv) |
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{ |
{ |
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int type, err; |
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struct mdoc_arg *argv; |
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size_t i, argc; |
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if (NULL == mdoc_valids[tok].pre) |
if (MDOC_BLOCK != node->type) |
return(1); |
return(1); |
return((*mdoc_valids[tok].pre)(mdoc, tok, pos, argc, argv)); |
assert(MDOC_Bd == node->tok); |
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argv = NULL; |
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argc = node->data.block.argc; |
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for (err = i = type = 0; 0 == err && i < argc; i++) { |
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argv = &node->data.block.argv[(int)i]; |
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assert(argv); |
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switch (argv->arg) { |
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case (MDOC_Ragged): |
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/* FALLTHROUGH */ |
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case (MDOC_Unfilled): |
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/* FALLTHROUGH */ |
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case (MDOC_Literal): |
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/* FALLTHROUGH */ |
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case (MDOC_File): |
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if (type) |
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err++; |
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type++; |
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break; |
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default: |
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break; |
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} |
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} |
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if (0 == type) |
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return(mdoc_err(mdoc, ERR_SYNTAX_ARGMISS)); |
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if (0 == err) |
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return(1); |
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assert(argv); |
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return(mdoc_perr(mdoc, argv->line, |
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argv->pos, ERR_SYNTAX_ARGBAD)); |
} |
} |
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int |
static int |
mdoc_valid_post(struct mdoc *mdoc, int pos) |
pre_it(struct mdoc *mdoc, struct mdoc_node *node) |
{ |
{ |
v_post *p; |
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int t; |
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switch (mdoc->last->type) { |
if (MDOC_BLOCK != mdoc->last->type) |
case (MDOC_BODY): |
return(1); |
t = mdoc->last->data.body.tok; |
assert(MDOC_It == mdoc->last->tok); |
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if (MDOC_BODY != mdoc->last->parent->type) |
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return(mdoc_verr(mdoc, node, ERR_SYNTAX_PARENTBAD)); |
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if (MDOC_Bl != mdoc->last->parent->tok) |
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return(mdoc_verr(mdoc, node, ERR_SYNTAX_PARENTBAD)); |
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return(1); |
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} |
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static int |
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pre_prologue(struct mdoc *mdoc, struct mdoc_node *node) |
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{ |
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if (SEC_PROLOGUE != mdoc->sec_lastn) |
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return(mdoc_verr(mdoc, node, ERR_SEC_NPROLOGUE)); |
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assert(MDOC_ELEM == node->type); |
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/* Check for ordering. */ |
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switch (node->tok) { |
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case (MDOC_Os): |
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if (mdoc->meta.title[0] && mdoc->meta.date) |
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break; |
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return(mdoc_verr(mdoc, node, ERR_SEC_PROLOGUE_OO)); |
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case (MDOC_Dt): |
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if (0 == mdoc->meta.title[0] && mdoc->meta.date) |
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break; |
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return(mdoc_verr(mdoc, node, ERR_SEC_PROLOGUE_OO)); |
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case (MDOC_Dd): |
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if (0 == mdoc->meta.title[0] && 0 == mdoc->meta.date) |
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break; |
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return(mdoc_verr(mdoc, node, ERR_SEC_PROLOGUE_OO)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* Check for repetition. */ |
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switch (node->tok) { |
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case (MDOC_Os): |
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if (0 == mdoc->meta.os[0]) |
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return(1); |
break; |
break; |
case (MDOC_ELEM): |
case (MDOC_Dd): |
t = mdoc->last->data.elem.tok; |
if (0 == mdoc->meta.date) |
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return(1); |
break; |
break; |
case (MDOC_BLOCK): |
case (MDOC_Dt): |
t = mdoc->last->data.block.tok; |
if (0 == mdoc->meta.title[0]) |
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return(1); |
break; |
break; |
case (MDOC_HEAD): |
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t = mdoc->last->data.head.tok; |
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break; |
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default: |
default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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return(mdoc_verr(mdoc, node, ERR_SEC_PROLOGUE_REP)); |
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} |
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/* Warn if `Bl' type-specific syntax isn't reflected in items. */ |
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static int |
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post_it(struct mdoc *mdoc) |
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{ |
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int type, sv; |
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#define TYPE_NONE (0) |
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#define TYPE_BODY (1) |
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#define TYPE_HEAD (2) |
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size_t i, argc; |
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struct mdoc_node *n; |
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if (MDOC_BLOCK != mdoc->last->type) |
return(1); |
return(1); |
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assert(MDOC_It == mdoc->last->tok); |
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n = mdoc->last->parent; |
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assert(n); |
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assert(MDOC_Bl == n->tok); |
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n = n->parent; |
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assert(MDOC_BLOCK == n->type); |
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assert(MDOC_Bl == n->tok); |
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argc = n->data.block.argc; |
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type = TYPE_NONE; |
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for (i = 0; TYPE_NONE == type && i < argc; i++) |
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switch (n->data.block.argv[(int)i].arg) { |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Hang): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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type = TYPE_HEAD; |
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sv = n->data.block.argv[(int)i].arg; |
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break; |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Column): |
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type = TYPE_BODY; |
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sv = n->data.block.argv[(int)i].arg; |
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break; |
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default: |
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break; |
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} |
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assert(TYPE_NONE != type); |
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if (TYPE_HEAD == type) { |
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if (NULL == (n = mdoc->last->data.block.head)) { |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYHEAD)) |
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return(0); |
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} else if (NULL == n->child) |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYHEAD)) |
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return(0); |
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if (NULL == (n = mdoc->last->data.block.body)) { |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYBODY)) |
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return(0); |
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} else if (NULL == n->child) |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYBODY)) |
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return(0); |
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return(1); |
} |
} |
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if (NULL == mdoc_valids[t].post) |
if (NULL == (n = mdoc->last->data.block.head)) { |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYHEAD)) |
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return(0); |
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} else if (NULL == n->child) |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_EMPTYHEAD)) |
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return(0); |
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if ((n = mdoc->last->data.block.body) && n->child) |
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if ( ! mdoc_warn(mdoc, WARN_SYNTAX_NOBODY)) |
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return(0); |
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/* TODO: make sure columns are aligned. */ |
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assert(MDOC_Column != sv); |
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return(1); |
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#undef TYPE_NONE |
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#undef TYPE_BODY |
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#undef TYPE_HEAD |
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} |
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/* Make sure that only `It' macros are our body-children. */ |
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static int |
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post_bl(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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if (MDOC_BODY != mdoc->last->type) |
return(1); |
return(1); |
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assert(MDOC_Bl == mdoc->last->tok); |
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for (p = mdoc_valids[t].post; *p; p++) |
for (n = mdoc->last->child; n; n = n->next) { |
if ( ! (*p)(mdoc, t, pos)) |
if (MDOC_BLOCK == n->type) |
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if (MDOC_It == n->tok) |
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continue; |
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break; |
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} |
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if (NULL == n) |
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return(1); |
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return(mdoc_verr(mdoc, n, ERR_SYNTAX_CHILDBAD)); |
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} |
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/* Warn if conventional sections are out of order. */ |
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static int |
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post_sh(struct mdoc *mdoc) |
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{ |
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enum mdoc_sec sec; |
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int i; |
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struct mdoc_node *n; |
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char *args[MDOC_LINEARG_MAX]; |
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if (MDOC_HEAD != mdoc->last->type) |
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return(1); |
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assert(MDOC_Sh == mdoc->last->tok); |
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n = mdoc->last->child; |
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assert(n); |
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for (i = 0; n && i < MDOC_LINEARG_MAX; n = n->next, i++) { |
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assert(MDOC_TEXT == n->type); |
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assert(NULL == n->child); |
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assert(n->data.text.string); |
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args[i] = n->data.text.string; |
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} |
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sec = mdoc_atosec((size_t)i, (const char **)args); |
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if (SEC_CUSTOM == sec) |
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return(1); |
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if (sec > mdoc->sec_lastn) |
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return(1); |
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if (sec == mdoc->sec_lastn) |
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return(mdoc_warn(mdoc, WARN_SEC_REP)); |
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return(mdoc_warn(mdoc, WARN_SEC_OO)); |
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} |
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int |
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mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *node) |
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{ |
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v_pre *p; |
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/* TODO: character-escape checks. */ |
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if (MDOC_TEXT == node->type) |
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return(1); |
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assert(MDOC_ROOT != node->type); |
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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); |
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return(1); |
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} |
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int |
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mdoc_valid_post(struct mdoc *mdoc) |
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{ |
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v_post *p; |
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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(1); |
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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)) |
return(0); |
return(0); |
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return(1); |
return(1); |