/**
* args_read: read path From args.
*
* @return path (@VAR{NULL}: end of argument)
*/
const char *
args_read(void)
{
const char *p;
STATIC_STRBUF(sb);
strbuf_clear(sb);
switch (type) {
case ARGS_NOP:
p = NULL;
break;
case ARGS_ARGS:
p = *argslist++;
break;
case ARGS_FILELIST:
p = strbuf_fgets(sb, ip, STRBUF_NOCRLF);
break;
case ARGS_GFIND:
p = gfind_read(gp);
break;
case ARGS_BOTH:
if (*argslist != NULL)
p = *argslist++;
else
p = strbuf_fgets(sb, ip, STRBUF_NOCRLF);
break;
default:
die("args_read: invalid type.");
}
return p;
}
/**
* completion_path: print candidate path list.
*
* @param[in] dbpath dbpath directory
* @param[in] prefix prefix of primary key
*/
void
completion_path(const char *dbpath, const char *prefix)
{
GFIND *gp;
const char *localprefix = "./";
DBOP *dbop = dbop_open(NULL, 1, 0600, DBOP_RAW);
const char *path;
int prefix_length;
int target = GPATH_SOURCE;
int flags = (match_part == MATCH_PART_LAST) ? MATCH_LAST : MATCH_FIRST;
if (dbop == NULL)
die("cannot open temporary file.");
if (prefix && *prefix == 0) /* In the case global -c '' */
prefix = NULL;
prefix_length = (prefix == NULL) ? 0 : strlen(prefix);
if (oflag)
target = GPATH_BOTH;
if (Oflag)
target = GPATH_OTHER;
if (iflag || getconfb("icase_path"))
flags |= IGNORE_CASE;
#if _WIN32 || __DJGPP__
else if (!Mflag)
flags |= IGNORE_CASE;
#endif
gp = gfind_open(dbpath, localprefix, target);
while ((path = gfind_read(gp)) != NULL) {
path++; /* skip '.'*/
if (prefix == NULL) {
dbop_put(dbop, path + 1, "");
} else if (match_part == MATCH_PART_ALL) {
const char *p = path;
while ((p = locatestring(p, prefix, flags)) != NULL) {
dbop_put(dbop, p, "");
p += prefix_length;
}
} else {
const char *p = locatestring(path, prefix, flags);
if (p != NULL) {
dbop_put(dbop, p, "");
}
}
}
gfind_close(gp);
for (path = dbop_first(dbop, NULL, NULL, DBOP_KEY); path != NULL; path = dbop_next(dbop)) {
fputs(path, stdout);
fputc('\n', stdout);
}
dbop_close(dbop);
}
/**
* get a path from input stream.
*
* @note Each path name must start with @CODE{"./"}.
*/
static const char *
getpath(void)
{
static const char *buff;
if (!retry) {
/* skip README or ChangeLog unless the -o option specified. */
do {
buff = gfind_read(gp);
} while (buff && gp->type == GPATH_OTHER && !other_files);
}
retry = 0;
return buff;
}
/**
* gfind_open: start iterator using GPATH.
*
* @param[in] dbpath dbpath
* @param[in] local local prefix,
* if NULL specified, it assumes "./";
* @param[in] target GPATH_SOURCE: only source file,
* GPATH_OTHER: only other file,
* GPATH_BOTH: source file + other file
* @param[in] flags GPATH_NEARSORT
* @return GFIND structure
*/
GFIND *
gfind_open(const char *dbpath, const char *local, int target, int flags)
{
GFIND *gfind = (GFIND *)check_calloc(sizeof(GFIND), 1);
gfind->dbop = dbop_open(makepath(dbpath, dbname(GPATH), NULL), 0, 0, 0);
if (gfind->dbop == NULL)
die("GPATH not found.");
gfind->path = NULL;
gfind->prefix = check_strdup(local ? local : "./");
gfind->first = 1;
gfind->eod = 0;
gfind->target = target;
gfind->type = GPATH_SOURCE;
gfind->flags = flags;
gfind->path_array = NULL;
gfind->version = dbop_getversion(gfind->dbop);
if (gfind->version > support_version)
die("GPATH seems new format. Please install the latest GLOBAL.");
else if (gfind->version < support_version)
die("GPATH seems older format. Please remake tag files.");
/*
* Nearness sort.
* In fact, this timing of sort is not good for performance.
* Reconsideration is needed later.
*/
if (gfind->flags & GPATH_NEARSORT) {
const char *path = NULL;
VARRAY *varray = varray_open(sizeof(char *), 100);
POOL *pool = pool_open();
while ((path = gfind_read(gfind)) != NULL) {
char **a = varray_append(varray);
*a = pool_strdup(pool, path, 0);
}
if ((nearbase = get_nearbase_path()) == NULL)
die("cannot get nearbase path.");
qsort(varray_assign(varray, 0, 0), varray->length, sizeof(char *), compare_nearpath);
gfind->path_array = varray;
gfind->pool = pool;
gfind->index = 0;
}
return gfind;
}
/**
* makehtml: make html files
*
* @param[in] total number of files.
*/
static void
makehtml(int total)
{
GFIND *gp;
FILE *anchor_stream;
const char *path;
int count = 0;
/*
* Create anchor stream for anchor_load().
*/
anchor_stream = tmpfile();
#if defined(_WIN32) && !defined(__CYGWIN__)
/*
* tmpfile is created in the root, which user's can't write on Vista+.
* Use _tempnam and open it directly.
*/
if (anchor_stream == NULL) {
char *name = _tempnam(tmpdir, "htags");
anchor_stream = fopen(name, "w+bD");
free(name);
}
#endif
gp = gfind_open(dbpath, NULL, other_files ? GPATH_BOTH : GPATH_SOURCE, 0);
while ((path = gfind_read(gp)) != NULL) {
if (gp->type == GPATH_OTHER)
fputc(' ', anchor_stream);
fputs(path, anchor_stream);
fputc('\n', anchor_stream);
}
gfind_close(gp);
/*
* Prepare anchor stream for anchor_load().
*/
anchor_prepare(anchor_stream);
/*
* For each path in GPATH, convert the path into HTML file.
*/
gp = gfind_open(dbpath, NULL, other_files ? GPATH_BOTH : GPATH_SOURCE, 0);
while ((path = gfind_read(gp)) != NULL) {
char html[MAXPATHLEN];
if (gp->type == GPATH_OTHER && !other_files)
continue;
/*
* load tags belonging to the path.
* The path must be start "./".
*/
anchor_load(path);
/*
* inform the current path name to lex() function.
*/
save_current_path(path);
count++;
path += 2; /* remove './' at the head */
message(" [%d/%d] converting %s", count, total, path);
snprintf(html, sizeof(html), "%s/%s/%s.%s", distpath, SRCS, path2fid(path), HTML);
src2html(path, html, gp->type == GPATH_OTHER);
}
gfind_close(gp);
}
/*
* pathlist: print candidate path list.
*
* i) dbpath
*/
void
pathlist(const char *pattern, const char *dbpath)
{
GFIND *gp;
CONVERT *cv;
const char *path, *p;
regex_t preg;
int count;
int target = GPATH_SOURCE;
if (oflag)
target = GPATH_BOTH;
if (Oflag)
target = GPATH_OTHER;
if (pattern) {
int flags = 0;
char edit[IDENTLEN];
if (!Gflag)
flags |= REG_EXTENDED;
if (iflag || getconfb("icase_path"))
flags |= REG_ICASE;
#ifdef _WIN32
flags |= REG_ICASE;
#endif /* _WIN32 */
/*
* We assume '^aaa' as '^/aaa'.
*/
if (*pattern == '^' && *(pattern + 1) != '/') {
snprintf(edit, sizeof(edit), "^/%s", pattern + 1);
pattern = edit;
}
if (regcomp(&preg, pattern, flags) != 0)
die("invalid regular expression.");
}
if (!localprefix)
localprefix = "./";
cv = convert_open(type, format, root, cwd, dbpath, stdout);
count = 0;
gp = gfind_open(dbpath, localprefix, target);
while ((path = gfind_read(gp)) != NULL) {
/*
* skip localprefix because end-user doesn't see it.
*/
p = path + strlen(localprefix) - 1;
if (pattern) {
int result = regexec(&preg, p, 0, 0, 0);
if ((!Vflag && result != 0) || (Vflag && result == 0))
continue;
} else if (Vflag)
continue;
if (format == FORMAT_PATH)
convert_put_path(cv, path);
else
convert_put_using(cv, "path", path, 1, " ", gp->dbop->lastdat);
count++;
}
gfind_close(gp);
convert_close(cv);
if (pattern)
regfree(&preg);
if (vflag) {
switch (count) {
case 0:
fprintf(stderr, "file not found");
break;
case 1:
fprintf(stderr, "1 file located");
break;
default:
fprintf(stderr, "%d files located", count);
break;
}
fprintf(stderr, " (using '%s').\n", makepath(dbpath, dbname(GPATH), NULL));
}
}
int
main(int argc, char **argv)
{
char dbpath[MAXPATHLEN];
char cwd[MAXPATHLEN];
STRBUF *sb = strbuf_open(0);
int optchar;
int option_index = 0;
STATISTICS_TIME *tim;
/*
* Setup GTAGSCONF and GTAGSLABEL environment variable
* according to the --gtagsconf and --gtagslabel option.
*/
preparse_options(argc, argv);
/*
* Get the project root directory.
*/
if (!vgetcwd(cwd, MAXPATHLEN))
die("cannot get current directory.");
canonpath(cwd);
/*
* Load configuration file.
*/
openconf(cwd);
configuration();
setenv_from_config();
{
char *env = getenv("GTAGS_OPTIONS");
if (env && *env)
argv = prepend_options(&argc, argv, env);
}
logging_arguments(argc, argv);
while ((optchar = getopt_long(argc, argv, "cd:f:iIn:oOqvwse", long_options, &option_index)) != EOF) {
switch (optchar) {
case 0:
/* already flags set */
break;
case OPT_CONFIG:
show_config = 1;
if (optarg)
config_name = optarg;
break;
case OPT_GTAGSCONF:
case OPT_GTAGSLABEL:
/* These options are already parsed in preparse_options() */
break;
case OPT_SINGLE_UPDATE:
iflag++;
single_update = optarg;
break;
case OPT_ACCEPT_DOTFILES:
set_accept_dotfiles();
break;
case 'c':
cflag++;
break;
case 'd':
dump_target = optarg;
break;
case 'f':
file_list = optarg;
break;
case 'i':
iflag++;
break;
case 'I':
Iflag++;
break;
case 'o':
/*
* Though the -o(--omit-gsyms) was removed, this code
* is left for compatibility.
*/
break;
case 'O':
Oflag++;
break;
case 'q':
qflag++;
setquiet();
break;
case 'w':
wflag++;
break;
case 'v':
vflag++;
setverbose();
break;
default:
usage();
break;
}
}
if (qflag)
vflag = 0;
if (show_version)
version(NULL, vflag);
if (show_help)
help();
argc -= optind;
argv += optind;
/* If dbpath is specified, -O(--objdir) option is ignored. */
if (argc > 0)
Oflag = 0;
if (show_config) {
openconf(setupdbpath(0) == 0 ? get_root() : NULL);
if (config_name)
printconf(config_name);
else
fprintf(stdout, "%s\n", getconfline());
exit(0);
} else if (dump_target) {
/*
* Dump a tag file.
*/
DBOP *dbop = NULL;
const char *dat = 0;
int is_gpath = 0;
if (!test("f", dump_target))
die("file '%s' not found.", dump_target);
if ((dbop = dbop_open(dump_target, 0, 0, DBOP_RAW)) == NULL)
die("file '%s' is not a tag file.", dump_target);
/*
* The file which has a NEXTKEY record is GPATH.
*/
if (dbop_get(dbop, NEXTKEY))
is_gpath = 1;
for (dat = dbop_first(dbop, NULL, NULL, 0); dat != NULL; dat = dbop_next(dbop)) {
const char *flag = is_gpath ? dbop_getflag(dbop) : "";
if (*flag)
printf("%s\t%s\t%s\n", dbop->lastkey, dat, flag);
else
printf("%s\t%s\n", dbop->lastkey, dat);
}
dbop_close(dbop);
exit(0);
} else if (Iflag) {
#define REQUIRED_MKID_VERSION "4.5"
char *p;
if (!usable("mkid"))
die("mkid not found.");
if (read_first_line("mkid --version", sb))
die("mkid cannot executed.");
p = strrchr(strbuf_value(sb), ' ');
if (p == NULL)
die("invalid version string of mkid: %s", strbuf_value(sb));
switch (check_version(p + 1, REQUIRED_MKID_VERSION)
#ifdef _WIN32
|| strcmp(p + 1, "3.2.99") == 0
#endif
) {
case 1:
break; /* OK */
case 0:
die("mkid version %s or later is required.", REQUIRED_MKID_VERSION);
default:
die("invalid version string of mkid: %s", strbuf_value(sb));
}
}
/*
* If 'gtags.files' exists, use it as a file list.
* If the file_list other than "-" is given, it must be readable file.
*/
if (file_list == NULL && test("f", GTAGSFILES))
file_list = GTAGSFILES;
if (file_list && strcmp(file_list, "-")) {
if (test("d", file_list))
die("'%s' is a directory.", file_list);
else if (!test("f", file_list))
die("'%s' not found.", file_list);
else if (!test("r", file_list))
die("'%s' is not readable.", file_list);
}
/*
* Regularize the path name for single updating (--single-update).
*/
if (single_update) {
static char regular_path_name[MAXPATHLEN];
char *p = single_update;
if (!test("f", p))
die("'%s' not found.", p);
#if _WIN32 || __DJGPP__
for (; *p; p++)
if (*p == '\\')
*p = '/';
p = single_update;
#define LOCATEFLAG MATCH_AT_FIRST|IGNORE_CASE
#else
#define LOCATEFLAG MATCH_AT_FIRST
#endif
if (isabspath(p)) {
char *q = locatestring(p, cwd, LOCATEFLAG);
if (q && *q == '/')
snprintf(regular_path_name, MAXPATHLEN, "./%s", q + 1);
else
die("path '%s' is out of the project.", p);
} else {
if (p[0] == '.' && p[1] == '/')
snprintf(regular_path_name, MAXPATHLEN, "%s", p);
else
snprintf(regular_path_name, MAXPATHLEN, "./%s", p);
}
single_update = regular_path_name;
}
/*
* Decide directory (dbpath) in which gtags make tag files.
*
* Gtags create tag files at current directory by default.
* If dbpath is specified as an argument then use it.
* If the -i option specified and both GTAGS and GRTAGS exists
* at one of the candidate directories then gtags use existing
* tag files.
*/
if (iflag) {
if (argc > 0)
realpath(*argv, dbpath);
else if (!gtagsexist(cwd, dbpath, MAXPATHLEN, vflag))
strlimcpy(dbpath, cwd, sizeof(dbpath));
} else {
if (argc > 0)
realpath(*argv, dbpath);
else if (Oflag) {
char *objdir = getobjdir(cwd, vflag);
if (objdir == NULL)
die("Objdir not found.");
strlimcpy(dbpath, objdir, sizeof(dbpath));
} else
strlimcpy(dbpath, cwd, sizeof(dbpath));
}
if (iflag && (!test("f", makepath(dbpath, dbname(GTAGS), NULL)) ||
!test("f", makepath(dbpath, dbname(GRTAGS), NULL)) ||
!test("f", makepath(dbpath, dbname(GPATH), NULL)))) {
if (wflag)
warning("GTAGS, GRTAGS or GPATH not found. -i option ignored.");
iflag = 0;
}
if (!test("d", dbpath))
die("directory '%s' not found.", dbpath);
if (vflag)
fprintf(stderr, "[%s] Gtags started.\n", now());
/*
* initialize parser.
*/
if (vflag && gtags_parser)
fprintf(stderr, " Using plug-in parser.\n");
parser_init(langmap, gtags_parser);
if (vflag && file_list)
fprintf(stderr, " Using '%s' as a file list.\n", file_list);
/*
* Start statistics.
*/
init_statistics();
/*
* incremental update.
*/
if (iflag) {
/*
* Version check. If existing tag files are old enough
* gtagsopen() abort with error message.
*/
GTOP *gtop = gtags_open(dbpath, cwd, GTAGS, GTAGS_MODIFY, 0);
gtags_close(gtop);
/*
* GPATH is needed for incremental updating.
* Gtags check whether or not GPATH exist, since it may be
* removed by mistake.
*/
if (!test("f", makepath(dbpath, dbname(GPATH), NULL)))
die("Old version tag file found. Please remake it.");
(void)incremental(dbpath, cwd);
print_statistics(statistics);
exit(0);
}
/*
* create GTAGS and GRTAGS
*/
createtags(dbpath, cwd);
/*
* create idutils index.
*/
if (Iflag) {
FILE *op;
GFIND *gp;
const char *path;
tim = statistics_time_start("Time of creating ID");
if (vflag)
fprintf(stderr, "[%s] Creating indexes for idutils.\n", now());
strbuf_reset(sb);
/*
* Since idutils stores the value of PWD in ID file, we need to
* force idutils to follow our style.
*/
#if _WIN32 || __DJGPP__
strbuf_puts(sb, "mkid --files0-from=-");
#else
strbuf_sprintf(sb, "PWD=%s mkid --files0-from=-", quote_shell(cwd));
#endif
if (vflag)
strbuf_puts(sb, " -v");
strbuf_sprintf(sb, " --file=%s/ID", quote_shell(dbpath));
if (vflag) {
#ifdef __DJGPP__
if (is_unixy()) /* test for 4DOS as well? */
#endif
strbuf_puts(sb, " 1>&2");
} else {
strbuf_puts(sb, " >" NULL_DEVICE);
#ifdef __DJGPP__
if (is_unixy()) /* test for 4DOS as well? */
#endif
strbuf_puts(sb, " 2>&1");
}
if (debug)
fprintf(stderr, "executing mkid like: %s\n", strbuf_value(sb));
op = popen(strbuf_value(sb), "w");
if (op == NULL)
die("cannot execute '%s'.", strbuf_value(sb));
gp = gfind_open(dbpath, NULL, GPATH_BOTH);
while ((path = gfind_read(gp)) != NULL) {
fputs(path, op);
fputc('\0', op);
}
gfind_close(gp);
if (pclose(op) != 0)
die("terminated abnormally '%s' (errno = %d).", strbuf_value(sb), errno);
if (test("f", makepath(dbpath, "ID", NULL)))
if (chmod(makepath(dbpath, "ID", NULL), 0644) < 0)
die("cannot chmod ID file.");
statistics_time_end(tim);
}
if (vflag)
fprintf(stderr, "[%s] Done.\n", now());
closeconf();
strbuf_close(sb);
print_statistics(statistics);
return 0;
}