version 1.8, 2009/04/12 19:45:26 |
version 1.23, 2009/07/06 13:04:52 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* 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 |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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enum mwarn { |
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WBADSEC, |
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WNOWIDTH, |
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WBADDATE |
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}; |
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enum merr { |
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ETOOLONG, |
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EMALLOC, |
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ENUMFMT |
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}; |
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#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n |
#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n |
#define POST_ARGS struct mdoc *m |
#define POST_ARGS struct mdoc *m |
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int (*post)(POST_ARGS); |
int (*post)(POST_ARGS); |
}; |
}; |
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static int pwarn(struct mdoc *, int, int, enum mwarn); |
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static int perr(struct mdoc *, int, int, enum merr); |
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static int concat(struct mdoc *, const struct mdoc_node *, |
static int concat(struct mdoc *, const struct mdoc_node *, |
char *, size_t); |
char *, size_t); |
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static int post_ar(POST_ARGS); |
static int post_ar(POST_ARGS); |
static int post_bl(POST_ARGS); |
static int post_bl(POST_ARGS); |
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static int post_bl_head(POST_ARGS); |
static int post_bl_width(POST_ARGS); |
static int post_bl_width(POST_ARGS); |
static int post_bl_tagwidth(POST_ARGS); |
static int post_bl_tagwidth(POST_ARGS); |
static int post_dd(POST_ARGS); |
static int post_dd(POST_ARGS); |
static int post_display(POST_ARGS); |
static int post_display(POST_ARGS); |
static int post_dt(POST_ARGS); |
static int post_dt(POST_ARGS); |
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static int post_lk(POST_ARGS); |
static int post_nm(POST_ARGS); |
static int post_nm(POST_ARGS); |
static int post_os(POST_ARGS); |
static int post_os(POST_ARGS); |
static int post_prol(POST_ARGS); |
static int post_prol(POST_ARGS); |
Line 65 static int post_std(POST_ARGS); |
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Line 53 static int post_std(POST_ARGS); |
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static int pre_bd(PRE_ARGS); |
static int pre_bd(PRE_ARGS); |
static int pre_dl(PRE_ARGS); |
static int pre_dl(PRE_ARGS); |
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#define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t)) |
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#define verr(m, t) perr((m), (m)->last->line, (m)->last->pos, (t)) |
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#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
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const struct actions mdoc_actions[MDOC_MAX] = { |
const struct actions mdoc_actions[MDOC_MAX] = { |
{ NULL, NULL }, /* \" */ |
{ NULL, NULL }, /* Ap */ |
{ NULL, post_dd }, /* Dd */ |
{ NULL, post_dd }, /* Dd */ |
{ NULL, post_dt }, /* Dt */ |
{ NULL, post_dt }, /* Dt */ |
{ NULL, post_os }, /* Os */ |
{ NULL, post_os }, /* Os */ |
Line 87 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 71 const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* Ad */ |
{ NULL, NULL }, /* An */ |
{ NULL, NULL }, /* An */ |
{ NULL, post_ar }, /* Ar */ |
{ NULL, post_ar }, /* Ar */ |
{ NULL, NULL }, /* Cd */ |
{ NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */ |
{ NULL, NULL }, /* Cm */ |
{ NULL, NULL }, /* Cm */ |
{ NULL, NULL }, /* Dv */ |
{ NULL, NULL }, /* Dv */ |
{ NULL, NULL }, /* Er */ |
{ NULL, NULL }, /* Er */ |
Line 177 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 161 const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL, NULL }, /* Fr */ |
{ NULL, NULL }, /* Fr */ |
{ NULL, NULL }, /* Ud */ |
{ NULL, NULL }, /* Ud */ |
{ NULL, NULL }, /* Lb */ |
{ NULL, NULL }, /* Lb */ |
{ NULL, NULL }, /* Ap */ |
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{ NULL, NULL }, /* Lp */ |
{ NULL, NULL }, /* Lp */ |
{ NULL, NULL }, /* Lk */ |
{ NULL, post_lk }, /* Lk */ |
{ NULL, NULL }, /* Mt */ |
{ NULL, NULL }, /* Mt */ |
{ NULL, NULL }, /* Brq */ |
{ NULL, NULL }, /* Brq */ |
{ NULL, NULL }, /* Bro */ |
{ NULL, NULL }, /* Bro */ |
Line 247 concat(struct mdoc *m, const struct mdoc_node *n, |
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Line 230 concat(struct mdoc *m, const struct mdoc_node *n, |
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for ( ; n; n = n->next) { |
for ( ; n; n = n->next) { |
assert(MDOC_TEXT == n->type); |
assert(MDOC_TEXT == n->type); |
if (strlcat(buf, n->string, sz) >= sz) |
if (strlcat(buf, n->string, sz) >= sz) |
return(nerr(m, n, ETOOLONG)); |
return(mdoc_nerr(m, n, ETOOLONG)); |
if (NULL == n->next) |
if (NULL == n->next) |
continue; |
continue; |
if (strlcat(buf, " ", sz) >= sz) |
if (strlcat(buf, " ", sz) >= sz) |
return(nerr(m, n, ETOOLONG)); |
return(mdoc_nerr(m, n, ETOOLONG)); |
} |
} |
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return(1); |
return(1); |
Line 259 concat(struct mdoc *m, const struct mdoc_node *n, |
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Line 242 concat(struct mdoc *m, const struct mdoc_node *n, |
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static int |
static int |
perr(struct mdoc *m, int line, int pos, enum merr type) |
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{ |
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char *p; |
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p = NULL; |
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switch (type) { |
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case (ENUMFMT): |
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p = "bad number format"; |
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break; |
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case (ETOOLONG): |
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p = "argument text too long"; |
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break; |
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case (EMALLOC): |
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p = "memory exhausted"; |
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break; |
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} |
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assert(p); |
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return(mdoc_perr(m, line, pos, p)); |
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} |
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static int |
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pwarn(struct mdoc *m, int line, int pos, enum mwarn type) |
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{ |
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char *p; |
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int c; |
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p = NULL; |
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c = WARN_SYNTAX; |
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switch (type) { |
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case (WBADSEC): |
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p = "inappropriate document section in manual section"; |
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c = WARN_COMPAT; |
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break; |
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case (WNOWIDTH): |
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p = "cannot determine default width"; |
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break; |
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case (WBADDATE): |
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p = "malformed date syntax"; |
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break; |
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} |
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assert(p); |
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return(mdoc_pwarn(m, line, pos, c, p)); |
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} |
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static int |
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post_std(POST_ARGS) |
post_std(POST_ARGS) |
{ |
{ |
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Line 323 post_std(POST_ARGS) |
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Line 259 post_std(POST_ARGS) |
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m->last->args->argv[0].value = calloc(1, sizeof(char *)); |
m->last->args->argv[0].value = calloc(1, sizeof(char *)); |
if (NULL == m->last->args->argv[0].value) |
if (NULL == m->last->args->argv[0].value) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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m->last->args->argv[0].sz = 1; |
m->last->args->argv[0].sz = 1; |
m->last->args->argv[0].value[0] = strdup(m->meta.name); |
m->last->args->argv[0].value[0] = strdup(m->meta.name); |
if (NULL == m->last->args->argv[0].value[0]) |
if (NULL == m->last->args->argv[0].value[0]) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
Line 347 post_nm(POST_ARGS) |
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Line 283 post_nm(POST_ARGS) |
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return(0); |
return(0); |
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if (NULL == (m->meta.name = strdup(buf))) |
if (NULL == (m->meta.name = strdup(buf))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
Line 386 post_sh(POST_ARGS) |
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Line 322 post_sh(POST_ARGS) |
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case (9): |
case (9): |
break; |
break; |
default: |
default: |
return(vwarn(m, WBADSEC)); |
return(mdoc_nwarn(m, m->last, EBADSEC)); |
} |
} |
break; |
break; |
default: |
default: |
Line 420 post_dt(POST_ARGS) |
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Line 356 post_dt(POST_ARGS) |
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if (NULL == (n = m->last->child)) { |
if (NULL == (n = m->last->child)) { |
if (NULL == (m->meta.title = strdup("unknown"))) |
if (NULL == (m->meta.title = strdup("unknown"))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
if (NULL == (m->meta.vol = strdup("local"))) |
if (NULL == (m->meta.vol = strdup("local"))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
return(post_prol(m)); |
return(post_prol(m)); |
} |
} |
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Line 431 post_dt(POST_ARGS) |
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Line 367 post_dt(POST_ARGS) |
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*/ |
*/ |
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if (NULL == (m->meta.title = strdup(n->string))) |
if (NULL == (m->meta.title = strdup(n->string))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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if (NULL == (n = n->next)) { |
if (NULL == (n = n->next)) { |
if (NULL == (m->meta.vol = strdup("local"))) |
if (NULL == (m->meta.vol = strdup("local"))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
return(post_prol(m)); |
return(post_prol(m)); |
} |
} |
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Line 449 post_dt(POST_ARGS) |
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Line 385 post_dt(POST_ARGS) |
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cp = mdoc_a2msec(n->string); |
cp = mdoc_a2msec(n->string); |
if (cp) { |
if (cp) { |
if (NULL == (m->meta.vol = strdup(cp))) |
if (NULL == (m->meta.vol = strdup(cp))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
errno = 0; |
errno = 0; |
lval = strtol(n->string, &ep, 10); |
lval = strtol(n->string, &ep, 10); |
if (n->string[0] != '\0' && *ep == '\0') |
if (n->string[0] != '\0' && *ep == '\0') |
m->meta.msec = (int)lval; |
m->meta.msec = (int)lval; |
} else if (NULL == (m->meta.vol = strdup(n->string))) |
} else if (NULL == (m->meta.vol = strdup(n->string))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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if (NULL == (n = n->next)) |
if (NULL == (n = n->next)) |
return(post_prol(m)); |
return(post_prol(m)); |
Line 471 post_dt(POST_ARGS) |
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Line 407 post_dt(POST_ARGS) |
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if (cp) { |
if (cp) { |
free(m->meta.vol); |
free(m->meta.vol); |
if (NULL == (m->meta.vol = strdup(cp))) |
if (NULL == (m->meta.vol = strdup(cp))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
n = n->next; |
n = n->next; |
} else { |
} else { |
cp = mdoc_a2arch(n->string); |
cp = mdoc_a2arch(n->string); |
if (NULL == cp) { |
if (NULL == cp) { |
free(m->meta.vol); |
free(m->meta.vol); |
if (NULL == (m->meta.vol = strdup(n->string))) |
if (NULL == (m->meta.vol = strdup(n->string))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
} else if (NULL == (m->meta.arch = strdup(cp))) |
} else if (NULL == (m->meta.arch = strdup(cp))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
} |
} |
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/* Ignore any subsequent parameters... */ |
/* Ignore any subsequent parameters... */ |
Line 504 post_os(POST_ARGS) |
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Line 440 post_os(POST_ARGS) |
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if (0 == buf[0]) { |
if (0 == buf[0]) { |
if (-1 == uname(&utsname)) |
if (-1 == uname(&utsname)) |
return(mdoc_err(m, "utsname")); |
return(mdoc_nerr(m, m->last, EUTSNAME)); |
if (strlcat(buf, utsname.sysname, 64) >= 64) |
if (strlcat(buf, utsname.sysname, 64) >= 64) |
return(verr(m, ETOOLONG)); |
return(mdoc_nerr(m, m->last, ETOOLONG)); |
if (strlcat(buf, " ", 64) >= 64) |
if (strlcat(buf, " ", 64) >= 64) |
return(verr(m, ETOOLONG)); |
return(mdoc_nerr(m, m->last, ETOOLONG)); |
if (strlcat(buf, utsname.release, 64) >= 64) |
if (strlcat(buf, utsname.release, 64) >= 64) |
return(verr(m, ETOOLONG)); |
return(mdoc_nerr(m, m->last, ETOOLONG)); |
} |
} |
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if (NULL == (m->meta.os = strdup(buf))) |
if (NULL == (m->meta.os = strdup(buf))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
m->lastnamed = m->lastsec = SEC_BODY; |
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m->flags |= MDOC_PBODY; |
return(post_prol(m)); |
return(post_prol(m)); |
} |
} |
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Line 537 post_bl_tagwidth(struct mdoc *m) |
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Line 473 post_bl_tagwidth(struct mdoc *m) |
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* width if a macro. |
* width if a macro. |
*/ |
*/ |
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if ((n = m->last->body->child)) { |
n = m->last->body->child; |
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if (n) { |
assert(MDOC_BLOCK == n->type); |
assert(MDOC_BLOCK == n->type); |
assert(MDOC_It == n->tok); |
assert(MDOC_It == n->tok); |
n = n->head->child; |
n = n->head->child; |
Line 548 post_bl_tagwidth(struct mdoc *m) |
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Line 485 post_bl_tagwidth(struct mdoc *m) |
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if (n) { |
if (n) { |
if (MDOC_TEXT != n->type) { |
if (MDOC_TEXT != n->type) { |
if (0 == (sz = (int)mdoc_macro2len(n->tok))) |
if (0 == (sz = (int)mdoc_macro2len(n->tok))) |
if ( ! vwarn(m, WNOWIDTH)) |
if ( ! mdoc_nwarn(m, m->last, ENOWIDTH)) |
return(0); |
return(0); |
} else |
} else |
sz = (int)strlen(n->string) + 1; |
sz = (int)strlen(n->string) + 1; |
} |
} |
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if (-1 == snprintf(buf, sizeof(buf), "%dn", sz)) |
if (-1 == snprintf(buf, sizeof(buf), "%dn", sz)) |
return(verr(m, ENUMFMT)); |
return(mdoc_nerr(m, m->last, ENUMFMT)); |
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/* |
/* |
* We have to dynamically add this to the macro's argument list. |
* We have to dynamically add this to the macro's argument list. |
Line 570 post_bl_tagwidth(struct mdoc *m) |
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Line 507 post_bl_tagwidth(struct mdoc *m) |
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n->args->argc * sizeof(struct mdoc_argv)); |
n->args->argc * sizeof(struct mdoc_argv)); |
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if (NULL == n->args->argv) |
if (NULL == n->args->argv) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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n->args->argv[sz].arg = MDOC_Width; |
n->args->argv[sz].arg = MDOC_Width; |
n->args->argv[sz].line = m->last->line; |
n->args->argv[sz].line = m->last->line; |
Line 579 post_bl_tagwidth(struct mdoc *m) |
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Line 516 post_bl_tagwidth(struct mdoc *m) |
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n->args->argv[sz].value = calloc(1, sizeof(char *)); |
n->args->argv[sz].value = calloc(1, sizeof(char *)); |
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if (NULL == n->args->argv[sz].value) |
if (NULL == n->args->argv[sz].value) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
if (NULL == (n->args->argv[sz].value[0] = strdup(buf))) |
if (NULL == (n->args->argv[sz].value[0] = strdup(buf))) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
Line 612 post_bl_width(struct mdoc *m) |
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Line 549 post_bl_width(struct mdoc *m) |
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*/ |
*/ |
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if (0 == strcmp(p, "Ds")) |
if (0 == strcmp(p, "Ds")) |
width = 8; |
width = 6; |
else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p))) |
else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p))) |
return(1); |
return(1); |
else if (0 == (width = mdoc_macro2len(tok))) |
else if (0 == (width = mdoc_macro2len(tok))) |
return(vwarn(m, WNOWIDTH)); |
return(mdoc_nwarn(m, m->last, ENOWIDTH)); |
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/* The value already exists: free and reallocate it. */ |
/* The value already exists: free and reallocate it. */ |
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if (-1 == snprintf(buf, sizeof(buf), "%zun", width)) |
if (-1 == snprintf(buf, sizeof(buf), "%zun", width)) |
return(verr(m, ENUMFMT)); |
return(mdoc_nerr(m, m->last, ENUMFMT)); |
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free(m->last->args->argv[i].value[0]); |
free(m->last->args->argv[i].value[0]); |
m->last->args->argv[i].value[0] = strdup(buf); |
m->last->args->argv[i].value[0] = strdup(buf); |
if (NULL == m->last->args->argv[i].value[0]) |
if (NULL == m->last->args->argv[i].value[0]) |
return(verr(m, EMALLOC)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
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static int |
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 *n, *nn, *nnp; |
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if (NULL == m->last->child) |
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return(1); |
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n = m->last->parent; |
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assert(n->args); |
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for (c = 0; c < (int)n->args->argc; c++) |
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if (MDOC_Column == n->args->argv[c].arg) |
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break; |
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/* Only process -column. */ |
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if (c == (int)n->args->argc) |
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return(1); |
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assert(0 == n->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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n->args->argv[c].sz = (size_t)m->last->nchild; |
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n->args->argv[c].value = malloc |
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((size_t)m->last->nchild * sizeof(char *)); |
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for (i = 0, nn = m->last->child; nn; i++) { |
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n->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_free(nnp); |
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} |
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m->last->nchild = 0; |
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m->last->child = NULL; |
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return(1); |
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} |
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static int |
post_bl(POST_ARGS) |
post_bl(POST_ARGS) |
{ |
{ |
int i, r, len; |
int i, r, len; |
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if (MDOC_HEAD == m->last->type) |
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return(post_bl_head(m)); |
if (MDOC_BLOCK != m->last->type) |
if (MDOC_BLOCK != m->last->type) |
return(1); |
return(1); |
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Line 669 post_bl(POST_ARGS) |
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Line 656 post_bl(POST_ARGS) |
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static int |
static int |
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post_lk(POST_ARGS) |
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{ |
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struct mdoc_node *n; |
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if (m->last->child) |
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return(1); |
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n = m->last; |
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m->next = MDOC_NEXT_CHILD; |
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/* FIXME: this isn't documented anywhere! */ |
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if ( ! mdoc_word_alloc(m, m->last->line, |
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m->last->pos, "~")) |
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return(0); |
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m->last = n; |
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m->next = MDOC_NEXT_SIBLING; |
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return(1); |
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} |
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static int |
post_ar(POST_ARGS) |
post_ar(POST_ARGS) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
Line 702 post_dd(POST_ARGS) |
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Line 710 post_dd(POST_ARGS) |
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return(0); |
return(0); |
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if (0 == (m->meta.date = mdoc_atotime(buf))) { |
if (0 == (m->meta.date = mdoc_atotime(buf))) { |
if ( ! vwarn(m, WBADDATE)) |
if ( ! mdoc_nwarn(m, m->last, EBADDATE)) |
return(0); |
return(0); |
m->meta.date = time(NULL); |
m->meta.date = time(NULL); |
} |
} |
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pre_dl(PRE_ARGS) |
pre_dl(PRE_ARGS) |
{ |
{ |
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if (MDOC_BODY != n->type) |
if (MDOC_BODY == n->type) |
return(1); |
m->flags |= MDOC_LITERAL; |
m->flags |= MDOC_LITERAL; |
|
return(1); |
return(1); |
} |
} |
|
|