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-rw-r--r--mandocdb.c223
1 files changed, 107 insertions, 116 deletions
diff --git a/mandocdb.c b/mandocdb.c
index a7c6b4b8..5638eb84 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -84,10 +84,9 @@ enum op {
};
struct str {
- char *rendered; /* key in UTF-8 or ASCII form */
const struct mpage *mpage; /* if set, the owning parse */
uint64_t mask; /* bitmask in sequence */
- char key[]; /* may contain escape sequences */
+ char key[]; /* rendered text */
};
struct inodev {
@@ -139,7 +138,7 @@ struct mdoc_handler {
};
static void dbclose(int);
-static void dbadd(struct mpage *, struct mchars *);
+static void dbadd(struct mpage *);
static void dbadd_mlink(const struct mlink *mlink);
static void dbadd_mlink_name(const struct mlink *mlink);
static int dbopen(int);
@@ -153,7 +152,7 @@ static void mlink_check(struct mpage *, struct mlink *);
static void mlink_free(struct mlink *);
static void mlinks_undupe(struct mpage *);
static void mpages_free(void);
-static void mpages_merge(struct mchars *, struct mparse *);
+static void mpages_merge(struct mparse *);
static void names_check(void);
static void parse_cat(struct mpage *, int);
static void parse_man(struct mpage *, const struct man_meta *,
@@ -179,11 +178,10 @@ static int parse_mdoc_Sh(struct mpage *, const struct mdoc_meta *,
static int parse_mdoc_Xr(struct mpage *, const struct mdoc_meta *,
const struct mdoc_node *);
static void putkey(const struct mpage *, char *, uint64_t);
-static void putkeys(const struct mpage *,
- const char *, size_t, uint64_t);
+static void putkeys(const struct mpage *, char *, size_t, uint64_t);
static void putmdockey(const struct mpage *,
const struct mdoc_node *, uint64_t);
-static void render_key(struct mchars *, struct str *);
+static int render_string(char **, size_t *);
static void say(const char *, const char *, ...);
static int set_basedir(const char *, int);
static int treescan(void);
@@ -200,6 +198,7 @@ static int write_utf8; /* write UTF-8 output; else ASCII */
static int exitcode; /* to be returned by main */
static enum op op; /* operational mode */
static char basedir[PATH_MAX]; /* current base directory */
+static struct mchars *mchars; /* table of named characters */
static struct ohash mpages; /* table of distinct manual pages */
static struct ohash mlinks; /* table of directory entries */
static struct ohash names; /* table of all names */
@@ -341,7 +340,6 @@ main(int argc, char *argv[])
int ch, i;
size_t j, sz;
const char *path_arg;
- struct mchars *mc;
struct manpaths dirs;
struct mparse *mp;
struct ohash_info mpages_info, mlinks_info;
@@ -441,9 +439,9 @@ main(int argc, char *argv[])
}
exitcode = (int)MANDOCLEVEL_OK;
- mc = mchars_alloc();
+ mchars = mchars_alloc();
mp = mparse_alloc(mparse_options, MANDOCLEVEL_FATAL, NULL,
- mc, NULL);
+ mchars, NULL);
ohash_init(&mpages, 6, &mpages_info);
ohash_init(&mlinks, 6, &mlinks_info);
@@ -479,7 +477,7 @@ main(int argc, char *argv[])
goto out;
}
if (OP_DELETE != op)
- mpages_merge(mc, mp);
+ mpages_merge(mp);
dbclose(OP_DEFAULT == op ? 0 : 1);
} else {
/*
@@ -526,7 +524,7 @@ main(int argc, char *argv[])
if (0 == dbopen(0))
continue;
- mpages_merge(mc, mp);
+ mpages_merge(mp);
if (warnings && !nodb &&
! (MPARSE_QUICK & mparse_options))
names_check();
@@ -542,7 +540,7 @@ main(int argc, char *argv[])
out:
manpath_free(&dirs);
mparse_free(mp);
- mchars_free(mc);
+ mchars_free(mchars);
mpages_free();
ohash_delete(&mpages);
ohash_delete(&mlinks);
@@ -1089,7 +1087,7 @@ mlink_check(struct mpage *mpage, struct mlink *mlink)
* and filename to determine whether the file is parsable or not.
*/
static void
-mpages_merge(struct mchars *mc, struct mparse *mp)
+mpages_merge(struct mparse *mp)
{
char any[] = "any";
struct ohash_info str_info;
@@ -1243,7 +1241,7 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
mlink = mlink->next)
mlink_check(mpage, mlink);
- dbadd(mpage, mc);
+ dbadd(mpage);
nextpage:
if (mparse_wait(mp) != MANDOCLEVEL_OK) {
@@ -1602,7 +1600,7 @@ static int
parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_meta *meta,
const struct mdoc_node *n)
{
- const char *start, *end;
+ char *start, *end;
size_t sz;
if (SEC_SYNOPSIS != n->sec ||
@@ -1771,18 +1769,19 @@ parse_mdoc_body(struct mpage *mpage, const struct mdoc_meta *meta,
* When we finish the manual, we'll dump the table.
*/
static void
-putkeys(const struct mpage *mpage,
- const char *cp, size_t sz, uint64_t v)
+putkeys(const struct mpage *mpage, char *cp, size_t sz, uint64_t v)
{
struct ohash *htab;
struct str *s;
const char *end;
unsigned int slot;
- int i;
+ int i, mustfree;
if (0 == sz)
return;
+ mustfree = render_string(&cp, &sz);
+
if (TYPE_Nm & v) {
htab = &names;
v &= name_mask;
@@ -1815,6 +1814,9 @@ putkeys(const struct mpage *mpage,
}
s->mpage = mpage;
s->mask = v;
+
+ if (mustfree)
+ free(cp);
}
/*
@@ -1870,20 +1872,19 @@ utf8(unsigned int cp, char out[7])
}
/*
- * Store the rendered version of a key, or alias the pointer
- * if the key contains no escape sequences.
+ * If the string contains escape sequences,
+ * replace it with an allocated rendering and return 1,
+ * such that the caller can free it after use.
+ * Otherwise, do nothing and return 0.
*/
-static void
-render_key(struct mchars *mc, struct str *key)
+static int
+render_string(char **public, size_t *psz)
{
- size_t sz, bsz, pos;
+ const char *src, *scp, *addcp, *seq;
+ char *dst;
+ size_t ssz, dsz, addsz;
char utfbuf[7], res[6];
- char *buf;
- const char *seq, *cpp, *val;
- int len, u;
- enum mandoc_esc esc;
-
- assert(NULL == key->rendered);
+ int seqlen, unicode;
res[0] = '\\';
res[1] = '\t';
@@ -1892,68 +1893,62 @@ render_key(struct mchars *mc, struct str *key)
res[4] = ASCII_BREAK;
res[5] = '\0';
- val = key->key;
- bsz = strlen(val);
+ src = scp = *public;
+ ssz = *psz;
+ dst = NULL;
+ dsz = 0;
- /*
- * Pre-check: if we have no stop-characters, then set the
- * pointer as ourselvse and get out of here.
- */
- if (strcspn(val, res) == bsz) {
- key->rendered = key->key;
- return;
- }
+ while (scp < src + *psz) {
- /* Pre-allocate by the length of the input */
+ /* Leave normal characters unchanged. */
- buf = mandoc_malloc(++bsz);
- pos = 0;
+ if (strchr(res, *scp) == NULL) {
+ if (dst != NULL)
+ dst[dsz++] = *scp;
+ scp++;
+ continue;
+ }
- while ('\0' != *val) {
/*
- * Halt on the first escape sequence.
- * This also halts on the end of string, in which case
- * we just copy, fallthrough, and exit the loop.
+ * Found something that requires replacing,
+ * make sure we have a destination buffer.
*/
- if ((sz = strcspn(val, res)) > 0) {
- memcpy(&buf[pos], val, sz);
- pos += sz;
- val += sz;
+
+ if (dst == NULL) {
+ dst = mandoc_malloc(ssz + 1);
+ dsz = scp - src;
+ memcpy(dst, src, dsz);
}
- switch (*val) {
- case ASCII_HYPH:
- buf[pos++] = '-';
- val++;
- continue;
+ /* Handle single-char special characters. */
+
+ switch (*scp) {
+ case '\\':
+ break;
case '\t':
/* FALLTHROUGH */
case ASCII_NBRSP:
- buf[pos++] = ' ';
- val++;
+ dst[dsz++] = ' ';
+ scp++;
+ continue;
+ case ASCII_HYPH:
+ dst[dsz++] = '-';
/* FALLTHROUGH */
case ASCII_BREAK:
+ scp++;
continue;
default:
- break;
+ abort();
}
- if ('\\' != *val)
- break;
-
- /* Read past the slash. */
-
- val++;
/*
- * Parse the escape sequence and see if it's a
- * predefined character or special character.
+ * Found an escape sequence.
+ * Read past the slash, then parse it.
+ * Ignore everything except characters.
*/
- esc = mandoc_escape((const char **)&val,
- &seq, &len);
- if (ESCAPE_ERROR == esc)
- break;
- if (ESCAPE_SPECIAL != esc)
+ scp++;
+ if (mandoc_escape(&scp, &seq, &seqlen) != ESCAPE_SPECIAL)
continue;
/*
@@ -1962,32 +1957,44 @@ render_key(struct mchars *mc, struct str *key)
*/
if (write_utf8) {
- if ((u = mchars_spec2cp(mc, seq, len)) <= 0)
+ unicode = mchars_spec2cp(mchars, seq, seqlen);
+ if (unicode <= 0)
continue;
- cpp = utfbuf;
- if (0 == (sz = utf8(u, utfbuf)))
+ addsz = utf8(unicode, utfbuf);
+ if (addsz == 0)
continue;
- sz = strlen(cpp);
+ addcp = utfbuf;
} else {
- cpp = mchars_spec2str(mc, seq, len, &sz);
- if (NULL == cpp)
+ addcp = mchars_spec2str(mchars, seq, seqlen, &addsz);
+ if (addcp == NULL)
continue;
- if (ASCII_NBRSP == *cpp) {
- cpp = " ";
- sz = 1;
+ if (*addcp == ASCII_NBRSP) {
+ addcp = " ";
+ addsz = 1;
}
}
/* Copy the rendered glyph into the stream. */
- bsz += sz;
- buf = mandoc_realloc(buf, bsz);
- memcpy(&buf[pos], cpp, sz);
- pos += sz;
+ ssz += addsz;
+ dst = mandoc_realloc(dst, ssz + 1);
+ memcpy(dst + dsz, addcp, addsz);
+ dsz += addsz;
}
+ if (dst != NULL) {
+ *public = dst;
+ *psz = dsz;
+ }
+
+ /* Trim trailing whitespace and NUL-terminate. */
- buf[pos] = '\0';
- key->rendered = buf;
+ while (*psz > 0 && (*public)[*psz - 1] == ' ')
+ --*psz;
+ if (dst != NULL) {
+ (*public)[*psz] = '\0';
+ return(1);
+ } else
+ return(0);
}
static void
@@ -2035,28 +2042,24 @@ dbadd_mlink_name(const struct mlink *mlink)
* Also, handle escape sequences at the last possible moment.
*/
static void
-dbadd(struct mpage *mpage, struct mchars *mc)
+dbadd(struct mpage *mpage)
{
struct mlink *mlink;
struct str *key;
+ char *cp;
size_t i;
unsigned int slot;
+ int mustfree;
mlink = mpage->mlinks;
if (nodb) {
for (key = ohash_first(&names, &slot); NULL != key;
- key = ohash_next(&names, &slot)) {
- if (key->rendered != key->key)
- free(key->rendered);
+ key = ohash_next(&names, &slot))
free(key);
- }
for (key = ohash_first(&strings, &slot); NULL != key;
- key = ohash_next(&strings, &slot)) {
- if (key->rendered != key->key)
- free(key->rendered);
+ key = ohash_next(&strings, &slot))
free(key);
- }
if (0 == debug)
return;
while (NULL != mlink) {
@@ -2085,21 +2088,17 @@ dbadd(struct mpage *mpage, struct mchars *mc)
if (debug)
say(mlink->file, "Adding to database");
- i = strlen(mpage->desc) + 1;
- key = mandoc_calloc(1, sizeof(struct str) + i);
- memcpy(key->key, mpage->desc, i);
- render_key(mc, key);
-
+ cp = mpage->desc;
+ i = strlen(cp);
+ mustfree = render_string(&cp, &i);
i = 1;
- SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, key->rendered);
+ SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, cp);
SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, mpage->form);
SQL_STEP(stmts[STMT_INSERT_PAGE]);
mpage->pageid = sqlite3_last_insert_rowid(db);
sqlite3_reset(stmts[STMT_INSERT_PAGE]);
-
- if (key->rendered != key->key)
- free(key->rendered);
- free(key);
+ if (mustfree)
+ free(cp);
while (NULL != mlink) {
dbadd_mlink(mlink);
@@ -2110,31 +2109,23 @@ dbadd(struct mpage *mpage, struct mchars *mc)
for (key = ohash_first(&names, &slot); NULL != key;
key = ohash_next(&names, &slot)) {
assert(key->mpage == mpage);
- if (NULL == key->rendered)
- render_key(mc, key);
i = 1;
SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, key->mask);
- SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, key->rendered);
+ SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, key->key);
SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, mpage->pageid);
SQL_STEP(stmts[STMT_INSERT_NAME]);
sqlite3_reset(stmts[STMT_INSERT_NAME]);
- if (key->rendered != key->key)
- free(key->rendered);
free(key);
}
for (key = ohash_first(&strings, &slot); NULL != key;
key = ohash_next(&strings, &slot)) {
assert(key->mpage == mpage);
- if (NULL == key->rendered)
- render_key(mc, key);
i = 1;
SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
- SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->rendered);
+ SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->key);
SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, mpage->pageid);
SQL_STEP(stmts[STMT_INSERT_KEY]);
sqlite3_reset(stmts[STMT_INSERT_KEY]);
- if (key->rendered != key->key)
- free(key->rendered);
free(key);
}
}
generated by cgit (git 2.34.1) at 2024-11-13 11:50:52 +0000