version 1.83, 2010/11/29 14:56:43 |
version 1.87, 2010/11/30 12:35:10 |
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#include "libmdoc.h" |
#include "libmdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define DATESIZ 32 |
/* |
/* |
* FIXME: this file is deprecated. All future "actions" should be |
* FIXME: this file is deprecated. All future "actions" should be |
* pushed into mdoc_validate.c. |
* pushed into mdoc_validate.c. |
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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 *, |
static int concat(struct mdoc *, char *, |
const struct mdoc_node *, size_t); |
const struct mdoc_node *, size_t); |
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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); |
static int post_dd(POST_ARGS); |
static int post_display(POST_ARGS); |
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static int post_dt(POST_ARGS); |
static int post_dt(POST_ARGS); |
static int post_nm(POST_ARGS); |
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static int post_os(POST_ARGS); |
static int post_os(POST_ARGS); |
static int post_pa(POST_ARGS); |
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static int post_prol(POST_ARGS); |
static int post_prol(POST_ARGS); |
static int post_st(POST_ARGS); |
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static int post_std(POST_ARGS); |
static int post_std(POST_ARGS); |
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static int pre_bd(PRE_ARGS); |
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static int pre_dl(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, post_dd }, /* Dd */ |
Line 77 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 64 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ 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 */ |
{ NULL, post_bl }, /* Bl */ |
{ NULL, NULL }, /* Bl */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* El */ |
{ NULL, NULL }, /* It */ |
{ NULL, NULL }, /* It */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* Ad */ |
Line 101 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 88 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, post_std }, /* 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 193 static const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 180 static const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Ta */ |
{ 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 312 post_std(POST_ARGS) |
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Line 280 post_std(POST_ARGS) |
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return(1); |
return(1); |
} |
} |
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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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* 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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* Parse out the contents of `Dt'. See in-line documentation for how we |
* Parse out the contents of `Dt'. See in-line documentation for how we |
* handle the various fields of this macro. |
* handle the various fields of this macro. |
*/ |
*/ |
Line 498 post_os(POST_ARGS) |
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Line 427 post_os(POST_ARGS) |
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return(post_prol(m, n)); |
return(post_prol(m, n)); |
} |
} |
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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, ssz; |
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int i; |
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char buf[NUMSIZ]; |
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sz = 10; |
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for (nn = n->body->child; nn; nn = nn->next) { |
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if (MDOC_It != nn->tok) |
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continue; |
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assert(MDOC_BLOCK == nn->type); |
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nn = nn->head->child; |
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if (nn == NULL) { |
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/* No -width for .Bl and first .It is emtpy */ |
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if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG)) |
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return(0); |
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break; |
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} |
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if (MDOC_TEXT == nn->type) { |
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sz = strlen(nn->string) + 1; |
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break; |
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} |
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if (0 != (ssz = mdoc_macro2len(nn->tok))) |
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sz = ssz; |
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else if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG)) |
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return(0); |
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break; |
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} |
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/* Defaults to ten ens. */ |
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snprintf(buf, NUMSIZ, "%zun", sz); |
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/* |
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* We have to dynamically add this to the macro's argument list. |
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* We're guaranteed that a MDOC_Width doesn't already exist. |
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*/ |
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assert(n->args); |
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i = (int)(n->args->argc)++; |
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n->args->argv = mandoc_realloc(n->args->argv, |
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n->args->argc * sizeof(struct mdoc_argv)); |
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n->args->argv[i].arg = MDOC_Width; |
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n->args->argv[i].line = n->line; |
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n->args->argv[i].pos = n->pos; |
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n->args->argv[i].sz = 1; |
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n->args->argv[i].value = mandoc_malloc(sizeof(char *)); |
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n->args->argv[i].value[0] = mandoc_strdup(buf); |
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/* Set our width! */ |
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n->data.Bl->width = n->args->argv[i].value[0]; |
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return(1); |
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} |
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/* |
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* Calculate the real width of a list from the -width string, which may |
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* contain a macro (with a known default width), a literal string, or a |
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* scaling width. |
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*/ |
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static int |
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post_bl_width(POST_ARGS) |
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{ |
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size_t width; |
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int i; |
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enum mdoct tok; |
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char buf[NUMSIZ]; |
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/* |
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* If the value to -width is a macro, then we re-write it to be |
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* the macro's width as set in share/tmac/mdoc/doc-common. |
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*/ |
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if (0 == strcmp(n->data.Bl->width, "Ds")) |
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width = 6; |
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else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width))) |
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return(1); |
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else if (0 == (width = mdoc_macro2len(tok))) |
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return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH)); |
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/* The value already exists: free and reallocate it. */ |
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assert(n->args); |
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for (i = 0; i < (int)n->args->argc; i++) |
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if (MDOC_Width == n->args->argv[i].arg) |
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break; |
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assert(i < (int)n->args->argc); |
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snprintf(buf, NUMSIZ, "%zun", width); |
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free(n->args->argv[i].value[0]); |
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n->args->argv[i].value[0] = mandoc_strdup(buf); |
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/* Set our width! */ |
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n->data.Bl->width = n->args->argv[i].value[0]; |
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return(1); |
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} |
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/* |
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* Do processing for -column lists, which can have two distinct styles |
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* of invocation. Merge this two styles into a consistent form. |
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*/ |
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/* ARGSUSED */ |
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static int |
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post_bl_head(POST_ARGS) |
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{ |
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int i, c; |
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struct mdoc_node *np, *nn, *nnp; |
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if (LIST_column != n->data.Bl->type) |
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return(1); |
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else if (NULL == n->child) |
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return(1); |
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np = n->parent; |
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assert(np->args); |
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for (c = 0; c < (int)np->args->argc; c++) |
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if (MDOC_Column == np->args->argv[c].arg) |
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break; |
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assert(c < (int)np->args->argc); |
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assert(0 == np->args->argv[c].sz); |
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/* |
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* Accomodate for new-style groff column syntax. Shuffle the |
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* child nodes, all of which must be TEXT, as arguments for the |
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* column field. Then, delete the head children. |
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*/ |
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np->args->argv[c].sz = (size_t)n->nchild; |
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np->args->argv[c].value = mandoc_malloc |
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((size_t)n->nchild * sizeof(char *)); |
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n->data.Bl->ncols = np->args->argv[c].sz; |
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n->data.Bl->cols = (const char **)np->args->argv[c].value; |
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for (i = 0, nn = n->child; nn; i++) { |
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np->args->argv[c].value[i] = nn->string; |
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nn->string = NULL; |
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nnp = nn; |
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nn = nn->next; |
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mdoc_node_delete(NULL, nnp); |
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} |
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n->nchild = 0; |
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n->child = NULL; |
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return(1); |
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} |
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static int |
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post_bl(POST_ARGS) |
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{ |
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if (MDOC_HEAD == n->type) |
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return(post_bl_head(m, n)); |
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if (MDOC_BLOCK != n->type) |
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return(1); |
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/* |
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* These are fairly complicated, so we've broken them into two |
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* functions. post_bl_tagwidth() is called when a -tag is |
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* specified, but no -width (it must be guessed). The second |
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* when a -width is specified (macro indicators must be |
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* rewritten into real lengths). |
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*/ |
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if (LIST_tag == n->data.Bl->type && NULL == n->data.Bl->width) { |
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if ( ! post_bl_tagwidth(m, n)) |
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return(0); |
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} else if (NULL != n->data.Bl->width) { |
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if ( ! post_bl_width(m, n)) |
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return(0); |
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} else |
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return(1); |
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assert(n->data.Bl->width); |
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return(1); |
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} |
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/* |
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* The `Pa' macro defaults to a tilde if no value is provided as an |
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* argument. |
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*/ |
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static int |
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post_pa(POST_ARGS) |
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{ |
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struct mdoc_node *np; |
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if (n->child) |
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return(1); |
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np = n; |
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m->next = MDOC_NEXT_CHILD; |
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if ( ! mdoc_word_alloc(m, n->line, n->pos, "~")) |
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return(0); |
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m->last = np; |
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return(1); |
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} |
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/* |
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* Parse the date field in `Dd'. |
* Parse the date field in `Dd'. |
*/ |
*/ |
static int |
static int |
Line 761 post_prol(POST_ARGS) |
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Line 468 post_prol(POST_ARGS) |
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mdoc_node_delete(m, n); |
mdoc_node_delete(m, n); |
if (m->meta.title && m->meta.date && m->meta.os) |
if (m->meta.title && m->meta.date && m->meta.os) |
m->flags |= MDOC_PBODY; |
m->flags |= MDOC_PBODY; |
return(1); |
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} |
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/* |
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* Trigger a literal context. |
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*/ |
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static int |
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pre_dl(PRE_ARGS) |
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{ |
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if (MDOC_BODY == n->type) |
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m->flags |= MDOC_LITERAL; |
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return(1); |
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} |
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static int |
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pre_bd(PRE_ARGS) |
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{ |
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if (MDOC_BODY != n->type) |
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return(1); |
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assert(n->data.Bd); |
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if (DISP_literal == n->data.Bd->type) |
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m->flags |= MDOC_LITERAL; |
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if (DISP_unfilled == n->data.Bd->type) |
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m->flags |= MDOC_LITERAL; |
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return(1); |
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} |
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static int |
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post_display(POST_ARGS) |
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{ |
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if (MDOC_BODY == n->type) |
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m->flags &= ~MDOC_LITERAL; |
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return(1); |
return(1); |
} |
} |