version 1.3, 2009/01/07 15:53:00 |
version 1.14, 2009/01/20 13:44:05 |
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*/ |
*/ |
#include <assert.h> |
#include <assert.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <time.h> |
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#include "private.h" |
#include "private.h" |
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typedef int (*a_act)(struct mdoc *, int, int); |
/* |
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* Actions are executed on macros after they've been post-validated: in |
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* other words, a macro will not be "acted upon" until all of its |
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* children have been filled in (post-fix order). |
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*/ |
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struct actions { |
struct actions { |
a_act action; |
int (*post)(struct mdoc *); |
}; |
}; |
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/* Per-macro action routines. */ |
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static int action_sh(struct mdoc *, int, int); |
static int post_sh(struct mdoc *); |
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static int post_os(struct mdoc *); |
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static int post_dt(struct mdoc *); |
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static int post_dd(struct mdoc *); |
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static int post_nm(struct mdoc *); |
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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 }, /* \" */ |
{ NULL }, /* Dd */ |
{ post_dd }, /* Dd */ |
{ NULL }, /* Dt */ |
{ post_dt }, /* Dt */ |
{ NULL }, /* Os */ |
{ post_os }, /* Os */ |
{ action_sh }, /* Sh */ |
{ post_sh }, /* Sh */ |
{ NULL }, /* Ss */ |
{ NULL }, /* Ss */ |
{ NULL }, /* Pp */ |
{ NULL }, /* Pp */ |
{ NULL }, /* D1 */ |
{ NULL }, /* D1 */ |
Line 65 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 77 const struct actions mdoc_actions[MDOC_MAX] = { |
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{ NULL }, /* In */ |
{ NULL }, /* In */ |
{ NULL }, /* Li */ |
{ NULL }, /* Li */ |
{ NULL }, /* Nd */ |
{ NULL }, /* Nd */ |
{ NULL }, /* Nm */ |
{ post_nm }, /* Nm */ |
{ NULL }, /* Op */ |
{ NULL }, /* Op */ |
{ NULL }, /* Ot */ |
{ NULL }, /* Ot */ |
{ NULL }, /* Pa */ |
{ NULL }, /* Pa */ |
Line 142 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 154 const struct actions mdoc_actions[MDOC_MAX] = { |
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}; |
}; |
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/* |
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* 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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*/ |
static int |
static int |
action_sh(struct mdoc *mdoc, int tok, int pos) |
post_nm(struct mdoc *mdoc) |
{ |
{ |
enum mdoc_sec sec; |
char buf[64]; |
int i; |
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struct mdoc_node *n; |
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char *args[MDOC_LINEARG_MAX]; |
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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) |
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return(1); |
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if (xstrlcats(buf, mdoc->last->child, 64)) { |
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mdoc->meta.name = xstrdup(buf); |
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return(1); |
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} |
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return(mdoc_err(mdoc, "macro parameters too long")); |
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} |
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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 |
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post_sh(struct mdoc *mdoc) |
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{ |
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enum mdoc_sec sec; |
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char buf[64]; |
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if (MDOC_HEAD != mdoc->last->type) |
if (MDOC_HEAD != mdoc->last->type) |
return(1); |
return(1); |
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if (xstrlcats(buf, mdoc->last->child, 64)) { |
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if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
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mdoc->sec_lastn = sec; |
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mdoc->sec_last = sec; |
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return(1); |
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} |
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n = mdoc->last->child; |
return(mdoc_err(mdoc, "macro parameters too long")); |
assert(n); |
} |
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for (i = 0; n && i < MDOC_LINEARG_MAX; n = n->next, i++) { |
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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 |
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post_dt(struct mdoc *mdoc) |
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{ |
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int i; |
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char *p; |
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struct mdoc_node *n; |
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assert(MDOC_ELEM == mdoc->last->type); |
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assert(MDOC_Dt == mdoc->last->tok); |
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assert(NULL == mdoc->meta.title); |
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for (i = 0, n = mdoc->last->child; n; n = n->next, i++) { |
assert(MDOC_TEXT == n->type); |
assert(MDOC_TEXT == n->type); |
assert(NULL == n->child); |
p = n->data.text.string; |
assert(n->data.text.string); |
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args[i] = n->data.text.string; |
switch (i) { |
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case (0): |
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mdoc->meta.title = xstrdup(p); |
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break; |
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case (1): |
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mdoc->meta.msec = mdoc_atomsec(p); |
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if (MSEC_DEFAULT != mdoc->meta.msec) |
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break; |
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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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sec = mdoc_atosec((size_t)i, (const char **)args); |
if (NULL == mdoc->meta.title) |
if (SEC_CUSTOM != sec) |
mdoc->meta.title = xstrdup("untitled"); |
mdoc->sec_lastn = sec; |
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mdoc->sec_last = sec; |
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return(post_prologue(mdoc)); |
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} |
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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 |
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post_os(struct mdoc *mdoc) |
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{ |
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char buf[64]; |
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assert(MDOC_ELEM == mdoc->last->type); |
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assert(MDOC_Os == mdoc->last->tok); |
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assert(NULL == mdoc->meta.os); |
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if ( ! xstrlcats(buf, mdoc->last->child, 64)) |
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return(mdoc_err(mdoc, "macro parameters too long")); |
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mdoc->meta.os = xstrdup(buf[0] ? buf : "local"); |
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mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
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mdoc->flags |= MDOC_BODYPARSE; |
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return(post_prologue(mdoc)); |
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} |
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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 |
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post_dd(struct mdoc *mdoc) |
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{ |
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char date[64]; |
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size_t sz; |
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char *p; |
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struct mdoc_node *n; |
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assert(MDOC_ELEM == mdoc->last->type); |
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assert(MDOC_Dd == mdoc->last->tok); |
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n = mdoc->last->child; |
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assert(0 == mdoc->meta.date); |
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date[0] = 0; |
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sz = 64; |
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for ( ; 0 == mdoc->meta.date && n; n = n->next) { |
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assert(MDOC_TEXT == n->type); |
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p = n->data.text.string; |
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if (xstrcmp(p, "$Mdocdate$")) { |
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mdoc->meta.date = time(NULL); |
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continue; |
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} else if (xstrcmp(p, "$")) { |
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mdoc->meta.date = mdoc_atotime(date); |
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continue; |
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} else if (xstrcmp(p, "$Mdocdate:")) |
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continue; |
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if ( ! xstrlcat(date, n->data.text.string, sz)) |
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return(mdoc_nerr(mdoc, n, "invalid parameter syntax")); |
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if (n->next && ! xstrlcat(date, " ", sz)) |
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return(mdoc_nerr(mdoc, n, "invalid parameter syntax")); |
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} |
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if (mdoc->meta.date && NULL == n) |
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return(post_prologue(mdoc)); |
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else if (n) |
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return(mdoc_err(mdoc, "invalid parameter syntax")); |
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if ((mdoc->meta.date = mdoc_atotime(date))) |
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return(post_prologue(mdoc)); |
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return(mdoc_err(mdoc, "invalid parameter syntax")); |
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} |
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/* |
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* The end document shouldn't have the prologue macros as part of the |
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* syntax tree (they encompass only meta-data). |
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*/ |
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static int |
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post_prologue(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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if (mdoc->last->parent->child == mdoc->last) |
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mdoc->last->parent->child = mdoc->last->prev; |
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if (mdoc->last->prev) |
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mdoc->last->prev->next = NULL; |
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n = mdoc->last; |
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assert(NULL == mdoc->last->next); |
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if (mdoc->last->prev) { |
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mdoc->last = mdoc->last->prev; |
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mdoc->next = MDOC_NEXT_SIBLING; |
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} else { |
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mdoc->last = mdoc->last->parent; |
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mdoc->next = MDOC_NEXT_CHILD; |
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} |
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mdoc_node_freelist(n); |
return(1); |
return(1); |
} |
} |
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int |
int |
mdoc_action(struct mdoc *mdoc, int pos) |
mdoc_action_post(struct mdoc *mdoc) |
{ |
{ |
int t; |
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switch (mdoc->last->type) { |
if (MDOC_ACTED & mdoc->last->flags) |
case (MDOC_BODY): |
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t = mdoc->last->data.body.tok; |
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break; |
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case (MDOC_ELEM): |
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t = mdoc->last->data.elem.tok; |
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break; |
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case (MDOC_BLOCK): |
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t = mdoc->last->data.block.tok; |
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break; |
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case (MDOC_HEAD): |
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t = mdoc->last->data.head.tok; |
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break; |
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default: |
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return(1); |
return(1); |
} |
mdoc->last->flags |= MDOC_ACTED; |
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if (NULL == mdoc_actions[t].action) |
if (MDOC_TEXT == mdoc->last->type) |
return(1); |
return(1); |
/* TODO: MDOC_Nm... ? */ |
if (MDOC_ROOT == mdoc->last->type) |
return((*mdoc_actions[t].action)(mdoc, t, pos)); |
return(1); |
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if (NULL == mdoc_actions[mdoc->last->tok].post) |
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return(1); |
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return((*mdoc_actions[mdoc->last->tok].post)(mdoc)); |
} |
} |
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