version 1.2, 2009/01/05 16:11:14 |
version 1.15, 2009/01/20 22:55:46 |
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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, |
/* |
int, const char *[], |
* Actions are executed on macros after they've been post-validated: in |
int, const struct mdoc_arg *); |
* 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 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 */ |
{ NULL }, /* Sh */ |
{ post_sh }, /* Sh */ |
{ NULL }, /* Ss */ |
{ NULL }, /* Ss */ |
{ NULL }, /* Pp */ |
{ NULL }, /* Pp */ |
{ NULL }, /* D1 */ |
{ NULL }, /* D1 */ |
Line 64 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 141 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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int |
/* |
mdoc_action(struct mdoc *mdoc, int tok, int pos) |
* 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 |
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post_nm(struct mdoc *mdoc) |
{ |
{ |
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char buf[64]; |
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return(1); |
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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#if 0 |
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/* Post-processing. */ |
/* |
switch (tok) { |
* We keep track of the current section in order to provide warnings on |
case (MDOC_Sh): |
* section ordering, per-section macros, and so on. |
sec = mdoc_atosec((size_t)sz, _CC(args)); |
*/ |
if (SEC_CUSTOM != sec) |
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) |
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return(1); |
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if (xstrlcats(buf, mdoc->last->child, 64)) { |
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if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
mdoc->sec_lastn = sec; |
mdoc->sec_lastn = sec; |
mdoc->sec_last = sec; |
mdoc->sec_last = sec; |
break; |
return(1); |
default: |
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break; |
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} |
} |
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MDOC_Nm... ? |
return(mdoc_err(mdoc, "macro parameters too long")); |
#endif |
} |
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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++) { |
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assert(MDOC_TEXT == n->type); |
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p = n->data.text.string; |
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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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} |
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if (NULL == mdoc->meta.title) |
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mdoc->meta.title = xstrdup("untitled"); |
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mdoc_msg(mdoc, "title: %s", mdoc->meta.title); |
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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 buf[64]; |
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assert(MDOC_ELEM == mdoc->last->type); |
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assert(MDOC_Dd == mdoc->last->tok); |
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assert(0 == mdoc->meta.date); |
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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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if (0 == (mdoc->meta.date = mdoc_atotime(buf))) |
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return(mdoc_err(mdoc, "invalid parameter syntax")); |
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mdoc_msg(mdoc, "date: %u", mdoc->meta.date); |
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return(post_prologue(mdoc)); |
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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); |
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return(1); |
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} |
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int |
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mdoc_action_post(struct mdoc *mdoc) |
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{ |
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if (MDOC_ACTED & mdoc->last->flags) |
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return(1); |
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mdoc->last->flags |= MDOC_ACTED; |
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if (MDOC_TEXT == mdoc->last->type) |
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return(1); |
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if (MDOC_ROOT == mdoc->last->type) |
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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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} |