version 1.24, 2014/03/23 12:11:18 |
version 1.28, 2014/04/11 15:46:52 |
|
|
#include "config.h" |
#include "config.h" |
#endif |
#endif |
|
|
|
#include <sys/mman.h> |
#include <assert.h> |
#include <assert.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <getopt.h> |
#include <getopt.h> |
|
|
|
|
struct match { |
struct match { |
uint64_t id; /* identifier in database */ |
uint64_t id; /* identifier in database */ |
|
char *desc; /* manual page description */ |
int form; /* 0 == catpage */ |
int form; /* 0 == catpage */ |
}; |
}; |
|
|
Line 100 static void sql_regexp(sqlite3_context *context, |
|
Line 102 static void sql_regexp(sqlite3_context *context, |
|
static char *sql_statement(const struct expr *); |
static char *sql_statement(const struct expr *); |
|
|
int |
int |
|
mansearch_setup(int start) |
|
{ |
|
static void *pagecache; |
|
int c; |
|
|
|
#define PC_PAGESIZE 1280 |
|
#define PC_NUMPAGES 256 |
|
|
|
if (start) { |
|
if (NULL != pagecache) { |
|
fprintf(stderr, "pagecache already enabled\n"); |
|
return((int)MANDOCLEVEL_BADARG); |
|
} |
|
|
|
pagecache = mmap(NULL, PC_PAGESIZE * PC_NUMPAGES, |
|
PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); |
|
|
|
if (MAP_FAILED == pagecache) { |
|
perror("mmap"); |
|
pagecache = NULL; |
|
return((int)MANDOCLEVEL_SYSERR); |
|
} |
|
|
|
c = sqlite3_config(SQLITE_CONFIG_PAGECACHE, |
|
pagecache, PC_PAGESIZE, PC_NUMPAGES); |
|
|
|
if (SQLITE_OK == c) |
|
return((int)MANDOCLEVEL_OK); |
|
|
|
fprintf(stderr, "pagecache: %s\n", sqlite3_errstr(c)); |
|
|
|
} else if (NULL == pagecache) { |
|
fprintf(stderr, "pagecache missing\n"); |
|
return((int)MANDOCLEVEL_BADARG); |
|
} |
|
|
|
if (-1 == munmap(pagecache, PC_PAGESIZE * PC_NUMPAGES)) { |
|
perror("munmap"); |
|
pagecache = NULL; |
|
return((int)MANDOCLEVEL_SYSERR); |
|
} |
|
|
|
pagecache = NULL; |
|
return((int)MANDOCLEVEL_OK); |
|
} |
|
|
|
int |
mansearch(const struct mansearch *search, |
mansearch(const struct mansearch *search, |
const struct manpaths *paths, |
const struct manpaths *paths, |
int argc, char *argv[], |
int argc, char *argv[], |
Line 220 mansearch(const struct mansearch *search, |
|
Line 269 mansearch(const struct mansearch *search, |
|
SQL_BIND_BLOB(db, s, j, ep->regexp); |
SQL_BIND_BLOB(db, s, j, ep->regexp); |
} else |
} else |
SQL_BIND_TEXT(db, s, j, ep->substr); |
SQL_BIND_TEXT(db, s, j, ep->substr); |
SQL_BIND_INT64(db, s, j, ep->bits); |
if (0 == ((TYPE_Nd | TYPE_Nm) & ep->bits)) |
|
SQL_BIND_INT64(db, s, j, ep->bits); |
} |
} |
|
|
memset(&htab, 0, sizeof(struct ohash)); |
memset(&htab, 0, sizeof(struct ohash)); |
Line 235 mansearch(const struct mansearch *search, |
|
Line 285 mansearch(const struct mansearch *search, |
|
* distribution of buckets in the table. |
* distribution of buckets in the table. |
*/ |
*/ |
while (SQLITE_ROW == (c = sqlite3_step(s))) { |
while (SQLITE_ROW == (c = sqlite3_step(s))) { |
id = sqlite3_column_int64(s, 1); |
id = sqlite3_column_int64(s, 2); |
idx = ohash_lookup_memory |
idx = ohash_lookup_memory |
(&htab, (char *)&id, |
(&htab, (char *)&id, |
sizeof(uint64_t), (uint32_t)id); |
sizeof(uint64_t), (uint32_t)id); |
|
|
if (NULL != ohash_find(&htab, idx)) |
if (NULL != ohash_find(&htab, idx)) |
Line 245 mansearch(const struct mansearch *search, |
|
Line 295 mansearch(const struct mansearch *search, |
|
|
|
mp = mandoc_calloc(1, sizeof(struct match)); |
mp = mandoc_calloc(1, sizeof(struct match)); |
mp->id = id; |
mp->id = id; |
mp->form = sqlite3_column_int(s, 0); |
mp->form = sqlite3_column_int(s, 1); |
|
if (TYPE_Nd == outbit) |
|
mp->desc = mandoc_strdup( |
|
sqlite3_column_text(s, 0)); |
ohash_insert(&htab, idx, mp); |
ohash_insert(&htab, idx, mp); |
} |
} |
|
|
Line 279 mansearch(const struct mansearch *search, |
|
Line 332 mansearch(const struct mansearch *search, |
|
mpage->form = mp->form; |
mpage->form = mp->form; |
buildnames(mpage, db, s, mp->id, |
buildnames(mpage, db, s, mp->id, |
paths->paths[i], mp->form); |
paths->paths[i], mp->form); |
mpage->output = outbit ? |
mpage->output = TYPE_Nd & outbit ? |
|
mp->desc : outbit ? |
buildoutput(db, s2, mp->id, outbit) : NULL; |
buildoutput(db, s2, mp->id, outbit) : NULL; |
|
|
free(mp); |
free(mp); |
Line 310 buildnames(struct manpage *mpage, sqlite3 *db, sqlite3 |
|
Line 364 buildnames(struct manpage *mpage, sqlite3 *db, sqlite3 |
|
size_t i; |
size_t i; |
int c; |
int c; |
|
|
|
mpage->file = NULL; |
mpage->names = NULL; |
mpage->names = NULL; |
prevsec = prevarch = NULL; |
prevsec = prevarch = NULL; |
i = 1; |
i = 1; |
Line 492 sql_statement(const struct expr *e) |
|
Line 547 sql_statement(const struct expr *e) |
|
sql_append(&sql, &sz, " OR ", 1); |
sql_append(&sql, &sz, " OR ", 1); |
if (e->open) |
if (e->open) |
sql_append(&sql, &sz, "(", e->open); |
sql_append(&sql, &sz, "(", e->open); |
sql_append(&sql, &sz, NULL == e->substr ? |
sql_append(&sql, &sz, |
"id IN (SELECT pageid FROM keys " |
TYPE_Nd & e->bits |
"WHERE key REGEXP ? AND bits & ?)" : |
? (NULL == e->substr |
"id IN (SELECT pageid FROM keys " |
? "desc REGEXP ?" |
"WHERE key MATCH ? AND bits & ?)", 1); |
: "desc MATCH ?") |
|
: TYPE_Nm == e->bits |
|
? (NULL == e->substr |
|
? "id IN (SELECT pageid FROM names " |
|
"WHERE name REGEXP ?)" |
|
: "id IN (SELECT pageid FROM names " |
|
"WHERE name MATCH ?)") |
|
: (NULL == e->substr |
|
? "id IN (SELECT pageid FROM keys " |
|
"WHERE key REGEXP ? AND bits & ?)" |
|
: "id IN (SELECT pageid FROM keys " |
|
"WHERE key MATCH ? AND bits & ?)"), 1); |
if (e->close) |
if (e->close) |
sql_append(&sql, &sz, ")", e->close); |
sql_append(&sql, &sz, ")", e->close); |
needop = 1; |
needop = 1; |
Line 513 sql_statement(const struct expr *e) |
|
Line 579 sql_statement(const struct expr *e) |
|
static struct expr * |
static struct expr * |
exprcomp(const struct mansearch *search, int argc, char *argv[]) |
exprcomp(const struct mansearch *search, int argc, char *argv[]) |
{ |
{ |
|
uint64_t mask; |
int i, toopen, logic, igncase, toclose; |
int i, toopen, logic, igncase, toclose; |
struct expr *first, *next, *cur; |
struct expr *first, *prev, *cur, *next; |
|
|
first = cur = NULL; |
first = cur = NULL; |
logic = igncase = toclose = 0; |
logic = igncase = toclose = 0; |
Line 553 exprcomp(const struct mansearch *search, int argc, cha |
|
Line 620 exprcomp(const struct mansearch *search, int argc, cha |
|
next = exprterm(search, argv[i], !igncase); |
next = exprterm(search, argv[i], !igncase); |
if (NULL == next) |
if (NULL == next) |
goto fail; |
goto fail; |
next->open = toopen; |
if (NULL == first) |
next->and = (1 == logic); |
first = next; |
if (NULL != first) { |
else |
cur->next = next; |
cur->next = next; |
cur = next; |
prev = cur = next; |
} else |
|
cur = first = next; |
/* |
|
* Searching for descriptions must be split out |
|
* because they are stored in the mpages table, |
|
* not in the keys table. |
|
*/ |
|
|
|
for (mask = TYPE_Nm; mask <= TYPE_Nd; mask <<= 1) { |
|
if (mask & cur->bits && ~mask & cur->bits) { |
|
next = mandoc_calloc(1, |
|
sizeof(struct expr)); |
|
memcpy(next, cur, sizeof(struct expr)); |
|
prev->open = 1; |
|
cur->bits = mask; |
|
cur->next = next; |
|
cur = next; |
|
cur->bits &= ~mask; |
|
} |
|
} |
|
prev->and = (1 == logic); |
|
prev->open += toopen; |
|
if (cur != prev) |
|
cur->close = 1; |
|
|
toopen = logic = igncase = 0; |
toopen = logic = igncase = 0; |
} |
} |
if (toopen || logic || igncase || toclose) |
if (toopen || logic || igncase || toclose) |