/**
*
* \fn double *read_special_frequencies(const char *file)
*
* \brief Reads the file "special_frequencies.txt" if it exists.
* If no file exists, then no special frequencies are useable.
*
* \param file pointer on the filename.
*
* \return Returns the pointer on an array containing doubles if file
* has been successfully opened and read, otherwise returns NULL.
*
*/
double *read_special_frequencies(const char *file)
{
double *l_pfrq = NULL;
double l_value;
int l_count;
int l_allocated = 0;
int l_new_size;
if((l_pfrq = (double *)malloc(ALLOC_CHUNK_SIZE * sizeof(double))) != NULL)
{
l_allocated += ALLOC_CHUNK_SIZE;
if(FGC_SUCCESS(parser_init(file)))
{
l_count = 0;
while(FGC_SUCCESS(parser_get_next_value(&l_value)))
{
if(l_count >= l_allocated)
{
l_new_size = ALLOC_CHUNK_SIZE * (l_count / ALLOC_CHUNK_SIZE + 1);
l_pfrq = (double *)realloc(l_pfrq, l_new_size * sizeof(double));
l_allocated += ALLOC_CHUNK_SIZE;
}
l_pfrq[l_count] = l_value;
l_count++;
}
/* Last value of the array must be -1.0 which is the terminator. */
if(l_count == l_allocated)
l_pfrq = (double *)realloc(l_pfrq, (l_count + 1) * sizeof(double));
l_pfrq[l_count] = -1.0;
} else {
// failed to open file
parser_exit();
free(l_pfrq);
return 0;
}
}
parser_exit();
return(l_pfrq);
}
void
parsefile(char *const *argv, const char *cwd, const char *root, const char *dbpath, int db)
{
int count = 0;
int file_count = 0;
STRBUF *sb = strbuf_open(0);
char *langmap;
const char *plugin_parser, *av;
char path[MAXPATHLEN];
struct parsefile_data data;
if (db == GRTAGS + GSYMS)
data.target = TARGET_REF|TARGET_SYM;
else
data.target = 1 << db;
data.extractmethod = getconfb("extractmethod");
if (getconfs("langmap", sb))
langmap = check_strdup(strbuf_value(sb));
else
langmap = NULL;
strbuf_reset(sb);
if (getconfs("gtags_parser", sb))
plugin_parser = strbuf_value(sb);
else
plugin_parser = NULL;
data.cv = convert_open(type, format, root, cwd, dbpath, stdout);
if (gpath_open(dbpath, 0) < 0)
die("GPATH not found.");
if (data.target == TARGET_REF || data.target == TARGET_SYM) {
data.dbop = dbop_open(makepath(dbpath, dbname(GTAGS), NULL), 0, 0, 0);
if (data.dbop == NULL)
die("%s not found.", dbname(GTAGS));
} else {
data.dbop = NULL;
}
data.fid = NULL;
parser_init(langmap, plugin_parser);
if (langmap != NULL)
free(langmap);
if (*argv && file_list)
args_open_both(argv, file_list);
else if (*argv)
args_open(argv);
else if (file_list)
args_open_filelist(file_list);
else
args_open_nop();
while ((av = args_read()) != NULL) {
/*
* convert the path into relative to the root directory of source tree.
*/
if (normalize(av, get_root_with_slash(), cwd, path, sizeof(path)) == NULL)
if (!qflag)
fprintf(stderr, "'%s' is out of source tree.\n", path + 2);
/*
* Memorize the file id of the path. This is used in put_syms().
*/
{
static char s_fid[MAXFIDLEN];
const char *p = gpath_path2fid(path, NULL);
if (!p) {
if (!qflag)
fprintf(stderr, "'%s' not found in GPATH.\n", path + 2);
continue;
}
strlimcpy(s_fid, p, sizeof(s_fid));
data.fid = s_fid;
}
if (!test("f", makepath(root, path, NULL))) {
if (test("d", NULL)) {
if (!qflag)
fprintf(stderr, "'%s' is a directory.\n", av);
} else {
if (!qflag)
fprintf(stderr, "'%s' not found.\n", av);
}
continue;
}
if (lflag && !locatestring(path, localprefix, MATCH_AT_FIRST))
continue;
data.count = 0;
parse_file(path, 0, put_syms, &data);
count += data.count;
file_count++;
}
args_close();
parser_exit();
/*
* Settlement
*/
if (data.dbop != NULL)
dbop_close(data.dbop);
gpath_close();
convert_close(data.cv);
strbuf_close(sb);
if (vflag) {
print_count(count);
fprintf(stderr, " (no index used).\n");
}
}
/*
* createtags: create tags file
*
* i) dbpath dbpath directory
* i) root root directory of source tree
*/
void
createtags(const char *dbpath, const char *root)
{
STATISTICS_TIME *tim;
STRBUF *sb = strbuf_open(0);
struct put_func_data data;
int openflags, flags, seqno;
const char *path;
tim = statistics_time_start("Time of creating %s and %s.", dbname(GTAGS), dbname(GRTAGS));
if (vflag)
fprintf(stderr, "[%s] Creating '%s' and '%s'.\n", now(), dbname(GTAGS), dbname(GRTAGS));
openflags = cflag ? GTAGS_COMPACT : 0;
data.gtop[GTAGS] = gtags_open(dbpath, root, GTAGS, GTAGS_CREATE, openflags);
data.gtop[GTAGS]->flags = 0;
if (extractmethod)
data.gtop[GTAGS]->flags |= GTAGS_EXTRACTMETHOD;
data.gtop[GRTAGS] = gtags_open(dbpath, root, GRTAGS, GTAGS_CREATE, openflags);
data.gtop[GRTAGS]->flags = data.gtop[GTAGS]->flags;
flags = 0;
if (debug)
flags |= PARSER_DEBUG;
if (wflag)
flags |= PARSER_WARNING;
/*
* Add tags to GTAGS and GRTAGS.
*/
if (file_list)
find_open_filelist(file_list, root);
else
find_open(NULL);
seqno = 0;
while ((path = find_read()) != NULL) {
if (*path == ' ') {
path++;
if (!test("b", path))
gpath_put(path, GPATH_OTHER);
continue;
}
gpath_put(path, GPATH_SOURCE);
data.fid = gpath_path2fid(path, NULL);
if (data.fid == NULL)
die("GPATH is corrupted.('%s' not found)", path);
seqno++;
if (vflag)
fprintf(stderr, " [%d] extracting tags of %s\n", seqno, path + 2);
if (debug)
fprintf(stderr, "[%s]\n", path + 2);
parse_file(path, flags, put_syms, &data);
gtags_flush(data.gtop[GTAGS], data.fid);
gtags_flush(data.gtop[GRTAGS], data.fid);
}
total = seqno;
parser_exit();
find_close();
statistics_time_end(tim);
tim = statistics_time_start("Time of flushing B-tree cache");
gtags_close(data.gtop[GTAGS]);
gtags_close(data.gtop[GRTAGS]);
statistics_time_end(tim);
strbuf_reset(sb);
if (getconfs("GTAGS_extra", sb)) {
tim = statistics_time_start("Time of executing GTAGS_extra command");
if (system(strbuf_value(sb)))
fprintf(stderr, "GTAGS_extra command failed: %s\n", strbuf_value(sb));
statistics_time_end(tim);
}
strbuf_reset(sb);
if (getconfs("GRTAGS_extra", sb)) {
tim = statistics_time_start("Time of executing GRTAGS_extra command");
if (system(strbuf_value(sb)))
fprintf(stderr, "GRTAGS_extra command failed: %s\n", strbuf_value(sb));
statistics_time_end(tim);
}
strbuf_close(sb);
}
/*
* updatetags: update tag file.
*
* i) dbpath directory in which tag file exist
* i) root root directory of source tree
* i) deleteset bit array of fid of deleted or modified files
* i) addlist \0 separated list of added or modified files
*/
void
updatetags(const char *dbpath, const char *root, IDSET *deleteset, STRBUF *addlist)
{
struct put_func_data data;
int seqno, flags;
const char *path, *start, *end;
if (vflag)
fprintf(stderr, "[%s] Updating '%s' and '%s'.\n", now(), dbname(GTAGS), dbname(GRTAGS));
/*
* Open tag files.
*/
data.gtop[GTAGS] = gtags_open(dbpath, root, GTAGS, GTAGS_MODIFY, 0);
if (test("f", makepath(dbpath, dbname(GRTAGS), NULL))) {
data.gtop[GRTAGS] = gtags_open(dbpath, root, GRTAGS, GTAGS_MODIFY, 0);
} else {
/*
* If you set NULL to data.gtop[GRTAGS], parse_file() doesn't write to
* GRTAGS. See put_syms().
*/
data.gtop[GRTAGS] = NULL;
}
/*
* Delete tags from GTAGS.
*/
if (!idset_empty(deleteset)) {
if (vflag) {
char fid[MAXFIDLEN];
int total = idset_count(deleteset);
unsigned int id;
seqno = 1;
for (id = idset_first(deleteset); id != END_OF_ID; id = idset_next(deleteset)) {
snprintf(fid, sizeof(fid), "%d", id);
path = gpath_fid2path(fid, NULL);
if (path == NULL)
die("GPATH is corrupted.");
fprintf(stderr, " [%d/%d] deleting tags of %s\n", seqno++, total, path + 2);
}
}
gtags_delete(data.gtop[GTAGS], deleteset);
if (data.gtop[GRTAGS] != NULL)
gtags_delete(data.gtop[GRTAGS], deleteset);
}
/*
* Set flags.
*/
data.gtop[GTAGS]->flags = 0;
if (extractmethod)
data.gtop[GTAGS]->flags |= GTAGS_EXTRACTMETHOD;
data.gtop[GRTAGS]->flags = data.gtop[GTAGS]->flags;
flags = 0;
if (debug)
flags |= PARSER_DEBUG;
if (wflag)
flags |= PARSER_WARNING;
/*
* Add tags to GTAGS and GRTAGS.
*/
start = strbuf_value(addlist);
end = start + strbuf_getlen(addlist);
seqno = 0;
for (path = start; path < end; path += strlen(path) + 1) {
gpath_put(path, GPATH_SOURCE);
data.fid = gpath_path2fid(path, NULL);
if (data.fid == NULL)
die("GPATH is corrupted.('%s' not found)", path);
if (vflag)
fprintf(stderr, " [%d/%d] extracting tags of %s\n", ++seqno, total, path + 2);
if (debug)
fprintf(stderr, "[%s]\n", path + 2);
parse_file(path, flags, put_syms, &data);
gtags_flush(data.gtop[GTAGS], data.fid);
if (data.gtop[GRTAGS] != NULL)
gtags_flush(data.gtop[GRTAGS], data.fid);
}
parser_exit();
gtags_close(data.gtop[GTAGS]);
if (data.gtop[GRTAGS] != NULL)
gtags_close(data.gtop[GRTAGS]);
}
