version 1.19, 2009/02/22 14:31:08 |
version 1.34, 2009/03/08 12:40:27 |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include <sys/utsname.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <errno.h> |
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#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "private.h" |
#include "private.h" |
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* children have been filled in (post-fix order). |
* children have been filled in (post-fix order). |
*/ |
*/ |
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enum merr { |
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ENOWIDTH |
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}; |
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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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struct actions { |
struct actions { |
int (*post)(struct mdoc *); |
int (*post)(struct mdoc *); |
}; |
}; |
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/* Per-macro action routines. */ |
static int nwarn(struct mdoc *, |
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const struct mdoc_node *, enum mwarn); |
static int post_sh(struct mdoc *); |
static int nerr(struct mdoc *, |
static int post_os(struct mdoc *); |
const struct mdoc_node *, enum merr); |
static int post_dt(struct mdoc *); |
static int post_ar(struct mdoc *); |
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static int post_bl(struct mdoc *); |
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static int post_bl_width(struct mdoc *); |
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static int post_bl_tagwidth(struct mdoc *); |
static int post_dd(struct mdoc *); |
static int post_dd(struct mdoc *); |
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static int post_dt(struct mdoc *); |
static int post_nm(struct mdoc *); |
static int post_nm(struct mdoc *); |
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static int post_os(struct mdoc *); |
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static int post_sh(struct mdoc *); |
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static int post_ex(struct mdoc *); |
static int post_prologue(struct mdoc *); |
static int post_prologue(struct mdoc *); |
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/* Array of macro action routines. */ |
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const struct actions mdoc_actions[MDOC_MAX] = { |
const struct actions mdoc_actions[MDOC_MAX] = { |
{ NULL }, /* \" */ |
{ NULL }, /* \" */ |
{ post_dd }, /* Dd */ |
{ post_dd }, /* Dd */ |
Line 56 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 75 const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL }, /* Dl */ |
{ NULL }, /* Dl */ |
{ NULL }, /* Bd */ |
{ NULL }, /* Bd */ |
{ NULL }, /* Ed */ |
{ NULL }, /* Ed */ |
{ NULL }, /* Bl */ |
{ post_bl }, /* Bl */ |
{ NULL }, /* El */ |
{ NULL }, /* El */ |
{ NULL }, /* It */ |
{ NULL }, /* It */ |
{ NULL }, /* Ad */ |
{ NULL }, /* Ad */ |
{ NULL }, /* An */ |
{ NULL }, /* An */ |
{ NULL }, /* Ar */ |
{ post_ar }, /* Ar */ |
{ NULL }, /* Cd */ |
{ NULL }, /* Cd */ |
{ NULL }, /* Cm */ |
{ NULL }, /* Cm */ |
{ NULL }, /* Dv */ |
{ NULL }, /* Dv */ |
{ NULL }, /* Er */ |
{ NULL }, /* Er */ |
{ NULL }, /* Ev */ |
{ NULL }, /* Ev */ |
{ NULL }, /* Ex */ |
{ post_ex }, /* Ex */ |
{ NULL }, /* Fa */ |
{ NULL }, /* Fa */ |
{ NULL }, /* Fd */ |
{ NULL }, /* Fd */ |
{ NULL }, /* Fl */ |
{ NULL }, /* Fl */ |
Line 151 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 170 const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL }, /* Hf */ |
{ NULL }, /* Hf */ |
{ NULL }, /* Fr */ |
{ NULL }, /* Fr */ |
{ NULL }, /* Ud */ |
{ NULL }, /* Ud */ |
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{ NULL }, /* Lb */ |
}; |
}; |
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/* |
#define merr(m, t) nerr((m), (m)->last, (t)) |
* The `Nm' macro sets the document's name when used the first time with |
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* an argument. Subsequent calls without a value will result in the |
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* name value being used. |
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*/ |
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static int |
static int |
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nerr(struct mdoc *m, const struct mdoc_node *n, 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 (ENOWIDTH): |
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p = "missing width argument"; |
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break; |
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} |
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assert(p); |
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return(mdoc_nerr(m, n, p)); |
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} |
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#define mwarn(m, t) nwarn((m), (m)->last, (t)) |
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static int |
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nwarn(struct mdoc *m, const struct mdoc_node *n, 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_nwarn(m, n, c, p)); |
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} |
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static int |
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post_ex(struct mdoc *mdoc) |
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{ |
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/* |
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* If `.Ex -std' is invoked without an argument, fill it in with |
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* our name (if it's been set). |
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*/ |
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if (NULL == mdoc->last->args) |
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return(1); |
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if (mdoc->last->args->argv[0].sz) |
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return(1); |
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assert(mdoc->meta.name); |
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mdoc_msg(mdoc, "writing %s argument: %s", |
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mdoc_argnames[MDOC_Std], |
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mdoc->meta.name); |
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assert(1 == mdoc->last->args->argv[0].sz); |
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mdoc->last->args->argv[0].sz = 1; |
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mdoc->last->args->argv[0].value = xcalloc(1, sizeof(char *)); |
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mdoc->last->args->argv[0].value[0] = xstrdup(mdoc->meta.name); |
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return(1); |
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} |
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static int |
post_nm(struct mdoc *mdoc) |
post_nm(struct mdoc *mdoc) |
{ |
{ |
char buf[64]; |
char buf[64]; |
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assert(MDOC_ELEM == mdoc->last->type); |
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assert(MDOC_Nm == mdoc->last->tok); |
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if (mdoc->meta.name) |
if (mdoc->meta.name) |
return(1); |
return(1); |
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if (xstrlcats(buf, mdoc->last->child, 64)) { |
(void)xstrlcpys(buf, mdoc->last->child, sizeof(buf)); |
mdoc->meta.name = xstrdup(buf); |
mdoc->meta.name = xstrdup(buf); |
return(1); |
mdoc_msg(mdoc, "name: %s", mdoc->meta.name); |
} |
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return(mdoc_err(mdoc, "macro parameters too long")); |
return(1); |
} |
} |
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/* |
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* We keep track of the current section in order to provide warnings on |
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* section ordering, per-section macros, and so on. |
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*/ |
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static int |
static int |
post_sh(struct mdoc *mdoc) |
post_sh(struct mdoc *mdoc) |
{ |
{ |
enum mdoc_sec sec; |
enum mdoc_sec sec; |
char buf[64]; |
char buf[64]; |
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/* |
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* We keep track of the current section /and/ the "named" |
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* section, which is one of the conventional ones, in order to |
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* check ordering. |
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*/ |
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if (MDOC_HEAD != mdoc->last->type) |
if (MDOC_HEAD != mdoc->last->type) |
return(1); |
return(1); |
if (xstrlcats(buf, mdoc->last->child, 64)) { |
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if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
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mdoc->lastnamed = sec; |
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mdoc->lastsec = sec; |
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return(1); |
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} |
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return(mdoc_err(mdoc, "macro parameters too long")); |
(void)xstrlcpys(buf, mdoc->last->child, sizeof(buf)); |
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if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
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mdoc->lastnamed = sec; |
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mdoc->lastsec = sec; |
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switch (mdoc->lastsec) { |
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case (SEC_RETURN_VALUES): |
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/* FALLTHROUGH */ |
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case (SEC_ERRORS): |
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switch (mdoc->meta.msec) { |
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case (2): |
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/* FALLTHROUGH */ |
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case (3): |
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/* FALLTHROUGH */ |
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case (9): |
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break; |
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default: |
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return(mwarn(mdoc, WBADSEC)); |
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} |
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break; |
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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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* Prologue title must be parsed into document meta-data. |
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*/ |
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static int |
static int |
post_dt(struct mdoc *mdoc) |
post_dt(struct mdoc *mdoc) |
{ |
{ |
int i; |
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char *p; |
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struct mdoc_node *n; |
struct mdoc_node *n; |
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const char *cp; |
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char *ep; |
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long lval; |
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assert(MDOC_ELEM == mdoc->last->type); |
if (mdoc->meta.title) |
assert(MDOC_Dt == mdoc->last->tok); |
free(mdoc->meta.title); |
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if (mdoc->meta.vol) |
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free(mdoc->meta.vol); |
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if (mdoc->meta.arch) |
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free(mdoc->meta.arch); |
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assert(NULL == mdoc->meta.title); |
mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL; |
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mdoc->meta.msec = 0; |
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/* LINTED */ |
/* Handles: `.Dt' |
for (i = 0, n = mdoc->last->child; n; n = n->next, i++) { |
* --> title = unknown, volume = local, msec = 0, arch = NULL |
assert(MDOC_TEXT == n->type); |
*/ |
p = n->data.text.string; |
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switch (i) { |
if (NULL == (n = mdoc->last->child)) { |
case (0): |
mdoc->meta.title = xstrdup("unknown"); |
mdoc->meta.title = xstrdup(p); |
mdoc->meta.vol = xstrdup("local"); |
break; |
mdoc_msg(mdoc, "title: %s", mdoc->meta.title); |
case (1): |
mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol); |
mdoc->meta.msec = mdoc_atomsec(p); |
mdoc_msg(mdoc, "arch: <unset>"); |
if (MSEC_DEFAULT != mdoc->meta.msec) |
mdoc_msg(mdoc, "msec: <unset>"); |
break; |
return(post_prologue(mdoc)); |
return(mdoc_nerr(mdoc, n, "invalid parameter syntax")); |
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case (2): |
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mdoc->meta.vol = mdoc_atovol(p); |
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if (VOL_DEFAULT != mdoc->meta.vol) |
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break; |
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mdoc->meta.arch = mdoc_atoarch(p); |
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if (ARCH_DEFAULT != mdoc->meta.arch) |
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break; |
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return(mdoc_nerr(mdoc, n, "invalid parameter syntax")); |
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default: |
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return(mdoc_nerr(mdoc, n, "too many parameters")); |
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} |
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} |
} |
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if (NULL == mdoc->meta.title) |
/* Handles: `.Dt TITLE' |
mdoc->meta.title = xstrdup("UNTITLED"); |
* --> title = TITLE, volume = local, msec = 0, arch = NULL |
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*/ |
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mdoc->meta.title = xstrdup(n->string); |
mdoc_msg(mdoc, "title: %s", mdoc->meta.title); |
mdoc_msg(mdoc, "title: %s", mdoc->meta.title); |
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if (NULL == (n = n->next)) { |
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mdoc->meta.vol = xstrdup("local"); |
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mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol); |
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mdoc_msg(mdoc, "arch: <unset>"); |
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mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec); |
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return(post_prologue(mdoc)); |
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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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if ((cp = mdoc_a2msec(n->string))) { |
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mdoc->meta.vol = xstrdup(cp); |
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errno = 0; |
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lval = strtol(n->string, &ep, 10); |
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if (n->string[0] != '\0' && *ep == '\0') |
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mdoc->meta.msec = (int)lval; |
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} else |
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mdoc->meta.vol = xstrdup(n->string); |
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if (NULL == (n = n->next)) { |
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mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol); |
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mdoc_msg(mdoc, "arch: <unset>"); |
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mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec); |
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return(post_prologue(mdoc)); |
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} |
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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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if ((cp = mdoc_a2vol(n->string))) { |
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free(mdoc->meta.vol); |
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mdoc->meta.vol = xstrdup(cp); |
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n = n->next; |
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} else { |
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cp = mdoc_a2arch(n->string); |
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if (NULL == cp) { |
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free(mdoc->meta.vol); |
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mdoc->meta.vol = xstrdup(n->string); |
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} else |
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mdoc->meta.arch = xstrdup(cp); |
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} |
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mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol); |
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mdoc_msg(mdoc, "arch: %s", mdoc->meta.arch ? |
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mdoc->meta.arch : "<unset>"); |
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mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec); |
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/* Ignore any subsequent parameters... */ |
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return(post_prologue(mdoc)); |
return(post_prologue(mdoc)); |
} |
} |
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/* |
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* Prologue operating system must be parsed into document meta-data. |
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*/ |
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static int |
static int |
post_os(struct mdoc *mdoc) |
post_os(struct mdoc *mdoc) |
{ |
{ |
char buf[64]; |
char buf[64]; |
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struct utsname utsname; |
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assert(MDOC_ELEM == mdoc->last->type); |
if (mdoc->meta.os) |
assert(MDOC_Os == mdoc->last->tok); |
free(mdoc->meta.os); |
assert(NULL == mdoc->meta.os); |
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if ( ! xstrlcats(buf, mdoc->last->child, 64)) |
(void)xstrlcpys(buf, mdoc->last->child, sizeof(buf)); |
return(mdoc_err(mdoc, "macro parameters too long")); |
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mdoc->meta.os = xstrdup(buf[0] ? buf : "local"); |
if (0 == buf[0]) { |
mdoc->lastnamed = SEC_BODY; |
if (-1 == uname(&utsname)) |
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return(mdoc_err(mdoc, "utsname")); |
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(void)xstrlcpy(buf, utsname.sysname, sizeof(buf)); |
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(void)xstrlcat(buf, " ", sizeof(buf)); |
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(void)xstrlcat(buf, utsname.release, sizeof(buf)); |
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} |
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mdoc->meta.os = xstrdup(buf); |
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mdoc_msg(mdoc, "system: %s", mdoc->meta.os); |
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mdoc->lastnamed = mdoc->lastsec = SEC_BODY; |
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return(post_prologue(mdoc)); |
return(post_prologue(mdoc)); |
} |
} |
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/* |
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* Prologue date must be parsed into document meta-data. |
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*/ |
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static int |
static int |
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post_bl_tagwidth(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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int sz; |
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char buf[32]; |
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/* |
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* If -tag has been specified and -width has not been, then try |
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* to intuit our width from the first body element. |
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*/ |
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if (NULL == (n = mdoc->last->body->child)) |
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return(1); |
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/* |
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* Use the text width, if a text node, or the default macro |
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* width if a macro. |
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*/ |
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if ((n = n->head->child)) { |
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if (MDOC_TEXT != n->type) { |
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if (0 == (sz = (int)mdoc_macro2len(n->tok))) |
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sz = -1; |
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} else |
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sz = (int)strlen(n->string) + 1; |
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} else |
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sz = -1; |
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if (-1 == sz) { |
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if ( ! mwarn(mdoc, WNOWIDTH)) |
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return(0); |
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sz = 10; |
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} |
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(void)snprintf(buf, sizeof(buf), "%dn", 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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if (NULL == mdoc->last->args) { |
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mdoc->last->args = xcalloc |
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(1, sizeof(struct mdoc_arg)); |
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mdoc->last->args->refcnt = 1; |
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} |
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n = mdoc->last; |
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sz = (int)n->args->argc; |
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(n->args->argc)++; |
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n->args->argv = xrealloc(n->args->argv, |
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n->args->argc * sizeof(struct mdoc_arg)); |
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n->args->argv[sz - 1].arg = MDOC_Width; |
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n->args->argv[sz - 1].line = mdoc->last->line; |
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n->args->argv[sz - 1].pos = mdoc->last->pos; |
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n->args->argv[sz - 1].sz = 1; |
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n->args->argv[sz - 1].value = xcalloc(1, sizeof(char *)); |
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n->args->argv[sz - 1].value[0] = xstrdup(buf); |
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mdoc_msg(mdoc, "adding %s argument: %s", |
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mdoc_argnames[MDOC_Width], buf); |
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return(1); |
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} |
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static int |
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post_bl_width(struct mdoc *m) |
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{ |
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size_t width; |
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int i, tok; |
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char buf[32]; |
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char *p; |
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if (NULL == m->last->args) |
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return(merr(m, ENOWIDTH)); |
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for (i = 0; i < (int)m->last->args->argc; i++) |
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if (MDOC_Width == m->last->args->argv[i].arg) |
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break; |
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if (i == (int)m->last->args->argc) |
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return(merr(m, ENOWIDTH)); |
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p = m->last->args->argv[i].value[0]; |
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|
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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 (xstrcmp(p, "Ds")) |
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width = 8; |
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else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p))) |
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return(1); |
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else if (0 == (width = mdoc_macro2len(tok))) |
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return(mwarn(m, WNOWIDTH)); |
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mdoc_msg(m, "re-writing %s argument: %s -> %zun", |
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mdoc_argnames[MDOC_Width], p, width); |
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/* The value already exists: free and reallocate it. */ |
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(void)snprintf(buf, sizeof(buf), "%zun", width); |
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free(m->last->args->argv[i].value[0]); |
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m->last->args->argv[i].value[0] = xstrdup(buf); |
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return(1); |
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} |
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static int |
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post_bl(struct mdoc *mdoc) |
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{ |
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int i, r, len; |
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|
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if (MDOC_BLOCK != mdoc->last->type) |
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return(1); |
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|
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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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len = (int)(mdoc->last->args ? mdoc->last->args->argc : 0); |
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|
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for (r = i = 0; i < len; i++) { |
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if (MDOC_Tag == mdoc->last->args->argv[i].arg) |
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r |= 1 << 0; |
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if (MDOC_Width == mdoc->last->args->argv[i].arg) |
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r |= 1 << 1; |
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} |
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|
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if (r & (1 << 0) && ! (r & (1 << 1))) { |
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if ( ! post_bl_tagwidth(mdoc)) |
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return(0); |
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} else if (r & (1 << 1)) |
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if ( ! post_bl_width(mdoc)) |
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return(0); |
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|
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return(1); |
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} |
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|
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static int |
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post_ar(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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|
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if (mdoc->last->child) |
|
return(1); |
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|
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n = mdoc->last; |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
if ( ! mdoc_word_alloc(mdoc, mdoc->last->line, |
|
mdoc->last->pos, "file")) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
if ( ! mdoc_word_alloc(mdoc, mdoc->last->line, |
|
mdoc->last->pos, "...")) |
|
return(0); |
|
|
|
mdoc->last = n; |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
return(1); |
|
} |
|
|
|
|
|
static int |
post_dd(struct mdoc *mdoc) |
post_dd(struct mdoc *mdoc) |
{ |
{ |
char buf[64]; |
char buf[64]; |
|
|
assert(MDOC_ELEM == mdoc->last->type); |
(void)xstrlcpys(buf, mdoc->last->child, sizeof(buf)); |
assert(MDOC_Dd == mdoc->last->tok); |
|
|
|
assert(0 == mdoc->meta.date); |
if (0 == (mdoc->meta.date = mdoc_atotime(buf))) { |
|
if ( ! mwarn(mdoc, WBADDATE)) |
|
return(0); |
|
mdoc->meta.date = time(NULL); |
|
} |
|
|
if ( ! xstrlcats(buf, mdoc->last->child, 64)) |
|
return(mdoc_err(mdoc, "macro parameters too long")); |
|
if (0 == (mdoc->meta.date = mdoc_atotime(buf))) |
|
return(mdoc_err(mdoc, "invalid parameter syntax")); |
|
|
|
mdoc_msg(mdoc, "date: %u", mdoc->meta.date); |
mdoc_msg(mdoc, "date: %u", mdoc->meta.date); |
|
|
return(post_prologue(mdoc)); |
return(post_prologue(mdoc)); |
} |
} |
|
|
|
|
/* |
|
* The end document shouldn't have the prologue macros as part of the |
|
* syntax tree (they encompass only meta-data). |
|
*/ |
|
static int |
static int |
post_prologue(struct mdoc *mdoc) |
post_prologue(struct mdoc *mdoc) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
|
|
|
/* |
|
* The end document shouldn't have the prologue macros as part |
|
* of the syntax tree (they encompass only meta-data). |
|
*/ |
|
|
if (mdoc->last->parent->child == mdoc->last) |
if (mdoc->last->parent->child == mdoc->last) |
mdoc->last->parent->child = mdoc->last->prev; |
mdoc->last->parent->child = mdoc->last->prev; |