version 1.60, 2010/05/17 23:57:06 |
version 1.88, 2010/11/30 12:59:20 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
#include "libmdoc.h" |
#include "libmdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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/* |
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* FIXME: this file is deprecated. All future "actions" should be |
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* pushed into mdoc_validate.c. |
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*/ |
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#define POST_ARGS struct mdoc *m, struct mdoc_node *n |
#define POST_ARGS struct mdoc *m, struct mdoc_node *n |
#define PRE_ARGS struct mdoc *m, struct mdoc_node *n |
#define PRE_ARGS struct mdoc *m, struct mdoc_node *n |
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#define NUMSIZ 32 |
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#define DATESIZ 32 |
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struct actions { |
struct actions { |
int (*pre)(PRE_ARGS); |
int (*pre)(PRE_ARGS); |
int (*post)(POST_ARGS); |
int (*post)(POST_ARGS); |
}; |
}; |
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static int concat(struct mdoc *, char *, |
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const struct mdoc_node *, size_t); |
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static inline int order_rs(enum mdoct); |
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static int post_ar(POST_ARGS); |
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static int post_at(POST_ARGS); |
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static int post_bl(POST_ARGS); |
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static int post_bl_head(POST_ARGS); |
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static int post_bl_tagwidth(POST_ARGS); |
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static int post_bl_width(POST_ARGS); |
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static int post_dd(POST_ARGS); |
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static int post_display(POST_ARGS); |
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static int post_dt(POST_ARGS); |
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static int post_lb(POST_ARGS); |
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static int post_nm(POST_ARGS); |
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static int post_os(POST_ARGS); |
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static int post_pa(POST_ARGS); |
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static int post_prol(POST_ARGS); |
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static int post_rs(POST_ARGS); |
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static int post_sh(POST_ARGS); |
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static int post_st(POST_ARGS); |
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static int post_std(POST_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_dl(PRE_ARGS); |
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static int pre_offset(PRE_ARGS); |
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static const struct actions mdoc_actions[MDOC_MAX] = { |
static const struct actions mdoc_actions[MDOC_MAX] = { |
{ NULL, NULL }, /* Ap */ |
{ NULL, NULL }, /* Ap */ |
{ NULL, post_dd }, /* Dd */ |
{ NULL, NULL }, /* Dd */ |
{ NULL, post_dt }, /* Dt */ |
{ NULL, NULL }, /* Dt */ |
{ NULL, post_os }, /* Os */ |
{ NULL, NULL }, /* Os */ |
{ NULL, post_sh }, /* Sh */ |
{ NULL, NULL }, /* Sh */ |
{ NULL, NULL }, /* Ss */ |
{ NULL, NULL }, /* Ss */ |
{ NULL, NULL }, /* Pp */ |
{ NULL, NULL }, /* Pp */ |
{ NULL, NULL }, /* D1 */ |
{ NULL, NULL }, /* D1 */ |
{ pre_dl, post_display }, /* Dl */ |
{ NULL, NULL }, /* Dl */ |
{ pre_bd, post_display }, /* Bd */ |
{ NULL, NULL }, /* Bd */ |
{ NULL, NULL }, /* Ed */ |
{ NULL, NULL }, /* Ed */ |
{ pre_bl, post_bl }, /* Bl */ |
{ NULL, NULL }, /* Bl */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* It */ |
{ NULL, NULL }, /* It */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* An */ |
{ NULL, NULL }, /* An */ |
{ NULL, post_ar }, /* Ar */ |
{ NULL, NULL }, /* Ar */ |
{ NULL, NULL }, /* Cd */ |
{ NULL, NULL }, /* Cd */ |
{ NULL, NULL }, /* Cm */ |
{ NULL, NULL }, /* Cm */ |
{ NULL, NULL }, /* Dv */ |
{ NULL, NULL }, /* Dv */ |
{ NULL, NULL }, /* Er */ |
{ NULL, NULL }, /* Er */ |
{ NULL, NULL }, /* Ev */ |
{ NULL, NULL }, /* Ev */ |
{ NULL, post_std }, /* Ex */ |
{ NULL, NULL }, /* Ex */ |
{ NULL, NULL }, /* Fa */ |
{ NULL, NULL }, /* Fa */ |
{ NULL, NULL }, /* Fd */ |
{ NULL, NULL }, /* Fd */ |
{ NULL, NULL }, /* Fl */ |
{ NULL, NULL }, /* Fl */ |
Line 104 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 78 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* In */ |
{ NULL, NULL }, /* In */ |
{ NULL, NULL }, /* Li */ |
{ NULL, NULL }, /* Li */ |
{ NULL, NULL }, /* Nd */ |
{ NULL, NULL }, /* Nd */ |
{ NULL, post_nm }, /* Nm */ |
{ NULL, NULL }, /* Nm */ |
{ NULL, NULL }, /* Op */ |
{ NULL, NULL }, /* Op */ |
{ NULL, NULL }, /* Ot */ |
{ NULL, NULL }, /* Ot */ |
{ NULL, post_pa }, /* Pa */ |
{ NULL, NULL }, /* Pa */ |
{ NULL, post_std }, /* Rv */ |
{ NULL, NULL }, /* Rv */ |
{ NULL, post_st }, /* St */ |
{ NULL, NULL }, /* St */ |
{ NULL, NULL }, /* Va */ |
{ NULL, NULL }, /* Va */ |
{ NULL, NULL }, /* Vt */ |
{ NULL, NULL }, /* Vt */ |
{ NULL, NULL }, /* Xr */ |
{ NULL, NULL }, /* Xr */ |
Line 127 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 101 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Ac */ |
{ NULL, NULL }, /* Ac */ |
{ NULL, NULL }, /* Ao */ |
{ NULL, NULL }, /* Ao */ |
{ NULL, NULL }, /* Aq */ |
{ NULL, NULL }, /* Aq */ |
{ NULL, post_at }, /* At */ |
{ NULL, NULL }, /* At */ |
{ NULL, NULL }, /* Bc */ |
{ NULL, NULL }, /* Bc */ |
{ NULL, NULL }, /* Bf */ |
{ NULL, NULL }, /* Bf */ |
{ NULL, NULL }, /* Bo */ |
{ NULL, NULL }, /* Bo */ |
Line 157 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 131 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Qo */ |
{ NULL, NULL }, /* Qo */ |
{ NULL, NULL }, /* Qq */ |
{ NULL, NULL }, /* Qq */ |
{ NULL, NULL }, /* Re */ |
{ NULL, NULL }, /* Re */ |
{ NULL, post_rs }, /* Rs */ |
{ NULL, NULL }, /* Rs */ |
{ NULL, NULL }, /* Sc */ |
{ NULL, NULL }, /* Sc */ |
{ NULL, NULL }, /* So */ |
{ NULL, NULL }, /* So */ |
{ NULL, NULL }, /* Sq */ |
{ NULL, NULL }, /* Sq */ |
Line 178 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 152 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Hf */ |
{ NULL, NULL }, /* Hf */ |
{ NULL, NULL }, /* Fr */ |
{ NULL, NULL }, /* Fr */ |
{ NULL, NULL }, /* Ud */ |
{ NULL, NULL }, /* Ud */ |
{ NULL, post_lb }, /* Lb */ |
{ NULL, NULL }, /* Lb */ |
{ NULL, NULL }, /* Lp */ |
{ NULL, NULL }, /* Lp */ |
{ NULL, NULL }, /* Lk */ |
{ NULL, NULL }, /* Lk */ |
{ NULL, NULL }, /* Mt */ |
{ NULL, NULL }, /* Mt */ |
Line 193 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 167 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* br */ |
{ NULL, NULL }, /* br */ |
{ NULL, NULL }, /* sp */ |
{ NULL, NULL }, /* sp */ |
{ NULL, NULL }, /* %U */ |
{ NULL, NULL }, /* %U */ |
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{ NULL, NULL }, /* Ta */ |
}; |
}; |
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#define RSORD_MAX 14 |
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static const enum mdoct rsord[RSORD_MAX] = { |
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MDOC__A, |
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MDOC__T, |
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MDOC__B, |
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MDOC__I, |
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MDOC__J, |
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MDOC__R, |
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MDOC__N, |
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MDOC__V, |
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MDOC__P, |
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MDOC__Q, |
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MDOC__D, |
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MDOC__O, |
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MDOC__C, |
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MDOC__U |
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}; |
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int |
int |
mdoc_action_pre(struct mdoc *m, struct mdoc_node *n) |
mdoc_action_pre(struct mdoc *m, struct mdoc_node *n) |
{ |
{ |
Line 256 mdoc_action_post(struct mdoc *m) |
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Line 212 mdoc_action_post(struct mdoc *m) |
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return((*mdoc_actions[m->last->tok].post)(m, m->last)); |
return((*mdoc_actions[m->last->tok].post)(m, m->last)); |
} |
} |
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/* |
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* Concatenate sibling nodes together. All siblings must be of type |
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* MDOC_TEXT or an assertion is raised. Concatenation is separated by a |
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* single whitespace. |
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*/ |
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static int |
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concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz) |
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{ |
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assert(sz); |
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p[0] = '\0'; |
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for ( ; n; n = n->next) { |
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assert(MDOC_TEXT == n->type); |
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/* |
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* XXX: yes, these can technically be resized, but it's |
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* highly unlikely that we're going to get here, so let |
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* it slip for now. |
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*/ |
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if (strlcat(p, n->string, sz) >= sz) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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if (NULL == n->next) |
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continue; |
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if (strlcat(p, " ", sz) >= sz) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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} |
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return(1); |
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} |
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/* |
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* Macros accepting `-std' as an argument have the name of the current |
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* document (`Nm') filled in as the argument if it's not provided. |
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*/ |
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static int |
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post_std(POST_ARGS) |
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{ |
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struct mdoc_node *nn; |
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if (n->child) |
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return(1); |
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if (NULL == m->meta.name) |
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return(1); |
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nn = n; |
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m->next = MDOC_NEXT_CHILD; |
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if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name)) |
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return(0); |
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m->last = nn; |
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return(1); |
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} |
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/* |
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* The `Nm' macro's first use sets the name of the document. See also |
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* post_std(), etc. |
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*/ |
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static int |
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post_nm(POST_ARGS) |
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{ |
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char buf[BUFSIZ]; |
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if (m->meta.name) |
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return(1); |
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if ( ! concat(m, buf, n->child, BUFSIZ)) |
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return(0); |
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m->meta.name = mandoc_strdup(buf); |
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return(1); |
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} |
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/* |
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* Look up the value of `Lb' for matching predefined strings. If it has |
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* one, then substitute the current value for the formatted value. Note |
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* that the lookup may fail (we can provide arbitrary strings). |
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*/ |
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/* ARGSUSED */ |
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static int |
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post_lb(POST_ARGS) |
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{ |
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const char *p; |
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char *buf; |
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size_t sz; |
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assert(MDOC_TEXT == n->child->type); |
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p = mdoc_a2lib(n->child->string); |
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if (p) { |
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free(n->child->string); |
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n->child->string = mandoc_strdup(p); |
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return(1); |
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} |
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sz = strlen(n->child->string) + |
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2 + strlen("\\(lqlibrary\\(rq"); |
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buf = mandoc_malloc(sz); |
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snprintf(buf, sz, "library \\(lq%s\\(rq", n->child->string); |
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free(n->child->string); |
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n->child->string = buf; |
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return(1); |
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} |
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/* |
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* Substitute the value of `St' for the corresponding formatted string. |
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* We're guaranteed that this exists (it's been verified during the |
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* validation phase). |
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*/ |
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/* ARGSUSED */ |
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static int |
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post_st(POST_ARGS) |
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{ |
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const char *p; |
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assert(MDOC_TEXT == n->child->type); |
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p = mdoc_a2st(n->child->string); |
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if (p != NULL) { |
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free(n->child->string); |
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n->child->string = mandoc_strdup(p); |
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} |
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return(1); |
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} |
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/* |
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* Look up the standard string in a table. We know that it exists from |
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* the validation phase, so assert on failure. If a standard key wasn't |
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* supplied, supply the default ``AT&T UNIX''. |
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*/ |
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static int |
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post_at(POST_ARGS) |
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{ |
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struct mdoc_node *nn; |
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const char *p, *q; |
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char *buf; |
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size_t sz; |
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if (n->child) { |
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assert(MDOC_TEXT == n->child->type); |
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p = mdoc_a2att(n->child->string); |
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if (p) { |
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free(n->child->string); |
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n->child->string = mandoc_strdup(p); |
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} else { |
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p = "AT&T UNIX "; |
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q = n->child->string; |
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sz = strlen(p) + strlen(q) + 1; |
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buf = mandoc_malloc(sz); |
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strlcpy(buf, p, sz); |
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strlcat(buf, q, sz); |
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free(n->child->string); |
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n->child->string = buf; |
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} |
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return(1); |
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} |
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nn = n; |
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m->next = MDOC_NEXT_CHILD; |
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if ( ! mdoc_word_alloc(m, nn->line, nn->pos, "AT&T UNIX")) |
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return(0); |
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m->last = nn; |
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return(1); |
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} |
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/* |
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* Mark the current section. The ``named'' section (lastnamed) is set |
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* whenever the current section isn't a custom section--we use this to |
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* keep track of section ordering. Also check that the section is |
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* allowed within the document's manual section. |
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*/ |
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static int |
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post_sh(POST_ARGS) |
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{ |
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enum mdoc_sec sec; |
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char buf[BUFSIZ]; |
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if (MDOC_HEAD != n->type) |
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return(1); |
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if ( ! concat(m, buf, n->child, BUFSIZ)) |
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return(0); |
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sec = mdoc_str2sec(buf); |
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/* |
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* The first section should always make us move into a non-new |
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* state. |
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*/ |
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if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec) |
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m->lastnamed = sec; |
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/* Some sections only live in certain manual sections. */ |
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switch ((m->lastsec = sec)) { |
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case (SEC_RETURN_VALUES): |
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/* FALLTHROUGH */ |
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case (SEC_ERRORS): |
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assert(m->meta.msec); |
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if (*m->meta.msec == '2') |
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break; |
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if (*m->meta.msec == '3') |
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break; |
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if (*m->meta.msec == '9') |
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break; |
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return(mdoc_nmsg(m, n, MANDOCERR_SECMSEC)); |
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default: |
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break; |
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} |
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return(1); |
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} |
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/* |
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* Parse out the contents of `Dt'. See in-line documentation for how we |
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* handle the various fields of this macro. |
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*/ |
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static int |
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post_dt(POST_ARGS) |
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{ |
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struct mdoc_node *nn; |
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const char *cp; |
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if (m->meta.title) |
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free(m->meta.title); |
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if (m->meta.vol) |
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free(m->meta.vol); |
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if (m->meta.arch) |
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free(m->meta.arch); |
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m->meta.title = m->meta.vol = m->meta.arch = NULL; |
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/* Handles: `.Dt' |
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* --> title = unknown, volume = local, msec = 0, arch = NULL |
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*/ |
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if (NULL == (nn = n->child)) { |
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/* XXX: make these macro values. */ |
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/* FIXME: warn about missing values. */ |
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m->meta.title = mandoc_strdup("unknown"); |
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m->meta.vol = mandoc_strdup("local"); |
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m->meta.msec = mandoc_strdup("1"); |
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return(post_prol(m, n)); |
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} |
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/* Handles: `.Dt TITLE' |
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* --> title = TITLE, volume = local, msec = 0, arch = NULL |
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*/ |
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m->meta.title = mandoc_strdup(nn->string); |
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if (NULL == (nn = nn->next)) { |
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/* FIXME: warn about missing msec. */ |
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/* XXX: make this a macro value. */ |
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m->meta.vol = mandoc_strdup("local"); |
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m->meta.msec = mandoc_strdup("1"); |
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return(post_prol(m, n)); |
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} |
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/* Handles: `.Dt TITLE SEC' |
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* --> title = TITLE, volume = SEC is msec ? |
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* format(msec) : SEC, |
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* msec = SEC is msec ? atoi(msec) : 0, |
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* arch = NULL |
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*/ |
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cp = mdoc_a2msec(nn->string); |
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if (cp) { |
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m->meta.vol = mandoc_strdup(cp); |
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m->meta.msec = mandoc_strdup(nn->string); |
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} else if (mdoc_nmsg(m, n, MANDOCERR_BADMSEC)) { |
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m->meta.vol = mandoc_strdup(nn->string); |
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m->meta.msec = mandoc_strdup(nn->string); |
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} else |
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return(0); |
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if (NULL == (nn = nn->next)) |
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return(post_prol(m, n)); |
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/* Handles: `.Dt TITLE SEC VOL' |
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* --> title = TITLE, volume = VOL is vol ? |
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* format(VOL) : |
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* VOL is arch ? format(arch) : |
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* VOL |
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*/ |
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cp = mdoc_a2vol(nn->string); |
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if (cp) { |
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free(m->meta.vol); |
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m->meta.vol = mandoc_strdup(cp); |
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} else { |
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/* FIXME: warn about bad arch. */ |
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cp = mdoc_a2arch(nn->string); |
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if (NULL == cp) { |
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free(m->meta.vol); |
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m->meta.vol = mandoc_strdup(nn->string); |
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} else |
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m->meta.arch = mandoc_strdup(cp); |
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} |
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/* Ignore any subsequent parameters... */ |
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/* FIXME: warn about subsequent parameters. */ |
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return(post_prol(m, n)); |
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} |
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/* |
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* Set the operating system by way of the `Os' macro. Note that if an |
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* argument isn't provided and -DOSNAME="\"foo\"" is provided during |
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* compilation, this value will be used instead of filling in "sysname |
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* release" from uname(). |
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*/ |
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static int |
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post_os(POST_ARGS) |
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{ |
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char buf[BUFSIZ]; |
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#ifndef OSNAME |
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struct utsname utsname; |
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#endif |
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if (m->meta.os) |
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free(m->meta.os); |
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if ( ! concat(m, buf, n->child, BUFSIZ)) |
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return(0); |
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/* XXX: yes, these can all be dynamically-adjusted buffers, but |
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* it's really not worth the extra hackery. |
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*/ |
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if ('\0' == buf[0]) { |
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#ifdef OSNAME |
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if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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#else /*!OSNAME */ |
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if (-1 == uname(&utsname)) |
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return(mdoc_nmsg(m, n, MANDOCERR_UTSNAME)); |
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if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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if (strlcat(buf, " ", 64) >= BUFSIZ) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) { |
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mdoc_nmsg(m, n, MANDOCERR_MEM); |
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return(0); |
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} |
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#endif /*!OSNAME*/ |
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} |
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m->meta.os = mandoc_strdup(buf); |
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return(post_prol(m, n)); |
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} |
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/* |
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* Calculate the -width for a `Bl -tag' list if it hasn't been provided. |
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* Uses the first head macro. NOTE AGAIN: this is ONLY if the -width |
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* argument has NOT been provided. See post_bl_width() for converting |
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* the -width string. |
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*/ |
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static int |
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post_bl_tagwidth(POST_ARGS) |
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{ |
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struct mdoc_node *nn; |
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size_t sz; |
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int i; |
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char buf[NUMSIZ]; |
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|
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/* Defaults to ten ens. */ |
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|
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sz = 10; /* XXX: make this a macro value. */ |
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nn = n->body->child; |
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if (nn) { |
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assert(MDOC_BLOCK == nn->type); |
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assert(MDOC_It == nn->tok); |
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nn = nn->head->child; |
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if (MDOC_TEXT != nn->type) { |
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sz = mdoc_macro2len(nn->tok); |
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if (sz == 0) { |
|
if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG)) |
|
return(0); |
|
sz = 10; |
|
} |
|
} else |
|
sz = strlen(nn->string) + 1; |
|
} |
|
|
|
snprintf(buf, NUMSIZ, "%zun", sz); |
|
|
|
/* |
|
* We have to dynamically add this to the macro's argument list. |
|
* We're guaranteed that a MDOC_Width doesn't already exist. |
|
*/ |
|
|
|
nn = n; |
|
assert(nn->args); |
|
i = (int)(nn->args->argc)++; |
|
|
|
nn->args->argv = mandoc_realloc(nn->args->argv, |
|
nn->args->argc * sizeof(struct mdoc_argv)); |
|
|
|
nn->args->argv[i].arg = MDOC_Width; |
|
nn->args->argv[i].line = n->line; |
|
nn->args->argv[i].pos = n->pos; |
|
nn->args->argv[i].sz = 1; |
|
nn->args->argv[i].value = mandoc_malloc(sizeof(char *)); |
|
nn->args->argv[i].value[0] = mandoc_strdup(buf); |
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* Calculate the real width of a list from the -width string, which may |
|
* contain a macro (with a known default width), a literal string, or a |
|
* scaling width. |
|
*/ |
|
static int |
|
post_bl_width(POST_ARGS) |
|
{ |
|
size_t width; |
|
int i; |
|
enum mdoct tok; |
|
char buf[NUMSIZ]; |
|
char *p; |
|
|
|
if (NULL == n->args) |
|
return(1); |
|
|
|
for (i = 0; i < (int)n->args->argc; i++) |
|
if (MDOC_Width == n->args->argv[i].arg) |
|
break; |
|
|
|
if (i == (int)n->args->argc) |
|
return(1); |
|
p = n->args->argv[i].value[0]; |
|
|
|
/* |
|
* If the value to -width is a macro, then we re-write it to be |
|
* the macro's width as set in share/tmac/mdoc/doc-common. |
|
*/ |
|
|
|
if (0 == strcmp(p, "Ds")) |
|
width = 6; |
|
else if (MDOC_MAX == (tok = mdoc_hash_find(p))) |
|
return(1); |
|
else if (0 == (width = mdoc_macro2len(tok))) |
|
return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH)); |
|
|
|
/* The value already exists: free and reallocate it. */ |
|
|
|
snprintf(buf, NUMSIZ, "%zun", width); |
|
free(n->args->argv[i].value[0]); |
|
n->args->argv[i].value[0] = mandoc_strdup(buf); |
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* Do processing for -column lists, which can have two distinct styles |
|
* of invocation. Merge this two styles into a consistent form. |
|
*/ |
|
/* ARGSUSED */ |
|
static int |
|
post_bl_head(POST_ARGS) |
|
{ |
|
int i, c; |
|
struct mdoc_node *np, *nn, *nnp; |
|
|
|
if (NULL == n->child) |
|
return(1); |
|
|
|
np = n->parent; |
|
assert(np->args); |
|
|
|
for (c = 0; c < (int)np->args->argc; c++) |
|
if (MDOC_Column == np->args->argv[c].arg) |
|
break; |
|
|
|
if (c == (int)np->args->argc) |
|
return(1); |
|
assert(0 == np->args->argv[c].sz); |
|
|
|
/* |
|
* Accomodate for new-style groff column syntax. Shuffle the |
|
* child nodes, all of which must be TEXT, as arguments for the |
|
* column field. Then, delete the head children. |
|
*/ |
|
|
|
np->args->argv[c].sz = (size_t)n->nchild; |
|
np->args->argv[c].value = mandoc_malloc |
|
((size_t)n->nchild * sizeof(char *)); |
|
|
|
for (i = 0, nn = n->child; nn; i++) { |
|
np->args->argv[c].value[i] = nn->string; |
|
nn->string = NULL; |
|
nnp = nn; |
|
nn = nn->next; |
|
mdoc_node_delete(NULL, nnp); |
|
} |
|
|
|
n->nchild = 0; |
|
n->child = NULL; |
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
post_bl(POST_ARGS) |
|
{ |
|
int i, r, len; |
|
|
|
if (MDOC_HEAD == n->type) |
|
return(post_bl_head(m, n)); |
|
if (MDOC_BLOCK != n->type) |
|
return(1); |
|
|
|
/* |
|
* These are fairly complicated, so we've broken them into two |
|
* functions. post_bl_tagwidth() is called when a -tag is |
|
* specified, but no -width (it must be guessed). The second |
|
* when a -width is specified (macro indicators must be |
|
* rewritten into real lengths). |
|
*/ |
|
|
|
len = (int)(n->args ? n->args->argc : 0); |
|
|
|
for (r = i = 0; i < len; i++) { |
|
if (MDOC_Tag == n->args->argv[i].arg) |
|
r |= 1 << 0; |
|
if (MDOC_Width == n->args->argv[i].arg) |
|
r |= 1 << 1; |
|
} |
|
|
|
if (r & (1 << 0) && ! (r & (1 << 1))) { |
|
if ( ! post_bl_tagwidth(m, n)) |
|
return(0); |
|
} else if (r & (1 << 1)) |
|
if ( ! post_bl_width(m, n)) |
|
return(0); |
|
|
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* The `Pa' macro defaults to a tilde if no value is provided as an |
|
* argument. |
|
*/ |
|
static int |
|
post_pa(POST_ARGS) |
|
{ |
|
struct mdoc_node *np; |
|
|
|
if (n->child) |
|
return(1); |
|
|
|
np = n; |
|
m->next = MDOC_NEXT_CHILD; |
|
/* XXX: make into macro value. */ |
|
if ( ! mdoc_word_alloc(m, n->line, n->pos, "~")) |
|
return(0); |
|
m->last = np; |
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* The `Ar' macro defaults to two strings "file ..." if no value is |
|
* provided as an argument. |
|
*/ |
|
static int |
|
post_ar(POST_ARGS) |
|
{ |
|
struct mdoc_node *np; |
|
|
|
if (n->child) |
|
return(1); |
|
|
|
np = n; |
|
m->next = MDOC_NEXT_CHILD; |
|
/* XXX: make into macro values. */ |
|
if ( ! mdoc_word_alloc(m, n->line, n->pos, "file")) |
|
return(0); |
|
if ( ! mdoc_word_alloc(m, n->line, n->pos, "...")) |
|
return(0); |
|
m->last = np; |
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* Parse the date field in `Dd'. |
|
*/ |
|
static int |
|
post_dd(POST_ARGS) |
|
{ |
|
char buf[DATESIZ]; |
|
|
|
if ( ! concat(m, buf, n->child, DATESIZ)) |
|
return(0); |
|
|
|
m->meta.date = mandoc_a2time |
|
(MTIME_MDOCDATE | MTIME_CANONICAL, buf); |
|
|
|
if (0 == m->meta.date) { |
|
if ( ! mdoc_nmsg(m, n, MANDOCERR_BADDATE)) |
|
return(0); |
|
m->meta.date = time(NULL); |
|
} |
|
|
|
return(post_prol(m, n)); |
|
} |
|
|
|
|
|
/* |
|
* Remove prologue macros from the document after they're processed. |
|
* The final document uses mdoc_meta for these values and discards the |
|
* originals. |
|
*/ |
|
static int |
|
post_prol(POST_ARGS) |
|
{ |
|
|
|
mdoc_node_delete(m, n); |
|
if (m->meta.title && m->meta.date && m->meta.os) |
|
m->flags |= MDOC_PBODY; |
|
return(1); |
|
} |
|
|
|
|
|
/* |
|
* Trigger a literal context. |
|
*/ |
|
static int |
|
pre_dl(PRE_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY == n->type) |
|
m->flags |= MDOC_LITERAL; |
|
return(1); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
pre_offset(PRE_ARGS) |
|
{ |
|
int i; |
|
|
|
/* |
|
* Make sure that an empty offset produces an 8n length space as |
|
* stipulated by mdoc.samples. |
|
*/ |
|
|
|
assert(n->args); |
|
for (i = 0; i < (int)n->args->argc; i++) { |
|
if (MDOC_Offset != n->args->argv[i].arg) |
|
continue; |
|
if (n->args->argv[i].sz) |
|
break; |
|
assert(1 == n->args->refcnt); |
|
/* If no value set, length of <string>. */ |
|
n->args->argv[i].sz++; |
|
n->args->argv[i].value = mandoc_malloc(sizeof(char *)); |
|
n->args->argv[i].value[0] = mandoc_strdup("8n"); |
|
break; |
|
} |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
pre_bl(PRE_ARGS) |
|
{ |
|
int pos; |
|
|
|
if (MDOC_BLOCK != n->type) { |
|
assert(n->parent); |
|
assert(MDOC_BLOCK == n->parent->type); |
|
assert(MDOC_Bl == n->parent->tok); |
|
assert(LIST__NONE != n->parent->data.list); |
|
n->data.list = n->parent->data.list; |
|
return(1); |
|
} |
|
|
|
assert(LIST__NONE == n->data.list); |
|
|
|
for (pos = 0; pos < (int)n->args->argc; pos++) { |
|
switch (n->args->argv[pos].arg) { |
|
case (MDOC_Bullet): |
|
n->data.list = LIST_bullet; |
|
break; |
|
case (MDOC_Dash): |
|
n->data.list = LIST_dash; |
|
break; |
|
case (MDOC_Enum): |
|
n->data.list = LIST_enum; |
|
break; |
|
case (MDOC_Hyphen): |
|
n->data.list = LIST_hyphen; |
|
break; |
|
case (MDOC_Item): |
|
n->data.list = LIST_item; |
|
break; |
|
case (MDOC_Tag): |
|
n->data.list = LIST_tag; |
|
break; |
|
case (MDOC_Diag): |
|
n->data.list = LIST_diag; |
|
break; |
|
case (MDOC_Hang): |
|
n->data.list = LIST_hang; |
|
break; |
|
case (MDOC_Ohang): |
|
n->data.list = LIST_ohang; |
|
break; |
|
case (MDOC_Inset): |
|
n->data.list = LIST_inset; |
|
break; |
|
case (MDOC_Column): |
|
n->data.list = LIST_column; |
|
break; |
|
default: |
|
break; |
|
} |
|
if (LIST__NONE != n->data.list) |
|
break; |
|
} |
|
|
|
assert(LIST__NONE != n->data.list); |
|
return(pre_offset(m, n)); |
|
} |
|
|
|
|
|
static int |
|
pre_bd(PRE_ARGS) |
|
{ |
|
int i; |
|
|
|
if (MDOC_BLOCK == n->type) |
|
return(pre_offset(m, n)); |
|
if (MDOC_BODY != n->type) |
|
return(1); |
|
|
|
/* Enter literal context if `Bd -literal' or `-unfilled'. */ |
|
|
|
for (n = n->parent, i = 0; i < (int)n->args->argc; i++) |
|
if (MDOC_Literal == n->args->argv[i].arg) |
|
m->flags |= MDOC_LITERAL; |
|
else if (MDOC_Unfilled == n->args->argv[i].arg) |
|
m->flags |= MDOC_LITERAL; |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
post_display(POST_ARGS) |
|
{ |
|
|
|
if (MDOC_BODY == n->type) |
|
m->flags &= ~MDOC_LITERAL; |
|
return(1); |
|
} |
|
|
|
|
|
static inline int |
|
order_rs(enum mdoct t) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < (int)RSORD_MAX; i++) |
|
if (rsord[i] == t) |
|
return(i); |
|
|
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
post_rs(POST_ARGS) |
|
{ |
|
struct mdoc_node *nn, *next, *prev; |
|
int o; |
|
|
|
if (MDOC_BLOCK != n->type) |
|
return(1); |
|
|
|
assert(n->body->child); |
|
for (next = NULL, nn = n->body->child->next; nn; nn = next) { |
|
o = order_rs(nn->tok); |
|
|
|
/* Remove `nn' from the chain. */ |
|
next = nn->next; |
|
if (next) |
|
next->prev = nn->prev; |
|
|
|
prev = nn->prev; |
|
if (prev) |
|
prev->next = nn->next; |
|
|
|
nn->prev = nn->next = NULL; |
|
|
|
/* |
|
* Scan back until we reach a node that's ordered before |
|
* us, then set ourselves as being the next. |
|
*/ |
|
for ( ; prev; prev = prev->prev) |
|
if (order_rs(prev->tok) <= o) |
|
break; |
|
|
|
nn->prev = prev; |
|
if (prev) { |
|
if (prev->next) |
|
prev->next->prev = nn; |
|
nn->next = prev->next; |
|
prev->next = nn; |
|
continue; |
|
} |
|
|
|
n->body->child->prev = nn; |
|
nn->next = n->body->child; |
|
n->body->child = nn; |
|
} |
|
return(1); |
|
} |
|