/*
* convertpath: convert source file into hypertext path.
*
* i) dbpath dbpath
* i) htmldir HTML directory made by htags(1)
* i) path source file path
* o) sb string buffer
* r) 0: normal, -1: error
*/
int
convertpath(const char *dbpath, const char *htmldir, const char *path, STRBUF *sb)
{
static const char *suffix[] = {".html", ".htm"};
static const char *gz = ".gz";
int i, lim = sizeof(suffix)/sizeof(char *);
const char *p;
strbuf_reset(sb);
strbuf_puts(sb, htmldir);
strbuf_puts(sb, "/S/");
/*
* new style.
*/
if (gpath_open(dbpath, 0) == 0) {
int tag1 = strbuf_getlen(sb);
p = gpath_path2fid(path, NULL);
if (p == NULL) {
gpath_close();
return -1;
}
gpath_close();
strbuf_puts(sb, p);
for (i = 0; i < lim; i++) {
int tag2 = strbuf_getlen(sb);
strbuf_puts(sb, suffix[i]);
if (test("f", strbuf_value(sb)))
return 0;
strbuf_puts(sb, gz);
if (test("f", strbuf_value(sb)))
return 0;
strbuf_setlen(sb, tag2);
}
strbuf_setlen(sb, tag1);
}
/*
* old style.
*/
for (p = path + 1; *p; p++)
strbuf_putc(sb, (*p == '/') ? ' ' : *p);
for (i = 0; i < lim; i++) {
int tag = strbuf_getlen(sb);
strbuf_puts(sb, suffix[i]);
if (test("f", strbuf_value(sb)))
return 0;
strbuf_puts(sb, gz);
if (test("f", strbuf_value(sb)))
return 0;
strbuf_setlen(sb, tag);
}
return -1;
}
void
convert_close(CONVERT *cv)
{
strbuf_close(cv->abspath);
gpath_close();
free(cv);
}
/**
* gtags_close: close tag file
*
* @param[in] gtop #GTOP structure
*/
void
gtags_close(GTOP *gtop)
{
if (gtop->format & GTAGS_COMPRESS)
abbrev_close();
if (gtop->segment_pool)
pool_close(gtop->segment_pool);
if (gtop->path_array)
free(gtop->path_array);
if (gtop->sb)
strbuf_close(gtop->sb);
if (gtop->vb)
varray_close(gtop->vb);
if (gtop->path_hash)
strhash_close(gtop->path_hash);
gpath_close();
dbop_close(gtop->dbop);
if (gtop->gtags)
dbop_close(gtop->gtags);
free(gtop);
}
int
main(int argc, char **argv)
{
const char *av = NULL;
int func_total, file_total;
char arg_dbpath[MAXPATHLEN];
const char *index = NULL;
int optchar;
int option_index = 0;
STATISTICS_TIME *tim;
arg_dbpath[0] = 0;
basic_check();
/*
* Setup GTAGSCONF and GTAGSLABEL environment variable
* according to the --gtagsconf and --gtagslabel option.
*/
preparse_options(argc, argv);
/*
* Load configuration values.
*/
if (!vgetcwd(cwdpath, sizeof(cwdpath)))
die("cannot get current directory.");
openconf(cwdpath);
configuration();
/*
* setup_langmap() is needed to use decide_lang().
*/
setup_langmap(langmap);
save_environment(argc, argv);
/*
* insert htags_options at the head of argv.
*/
setenv_from_config();
{
char *env = getenv("HTAGS_OPTIONS");
if (env && *env)
argv = prepend_options(&argc, argv, env);
}
while ((optchar = getopt_long(argc, argv, "acd:DfFghIm:nNoqst:Tvwx", long_options, &option_index)) != EOF) {
switch (optchar) {
case 0:
/* already flags set */
break;
case OPT_AUTO_COMPLETION:
auto_completion = 1;
if (optarg) {
if (atoi(optarg) > 0)
auto_completion_limit = optarg;
else
die("The option value of --auto-completion must be numeric.");
}
break;
case OPT_CFLOW:
call_file = optarg;
break;
case OPT_CALL_TREE:
call_file = optarg;
break;
case OPT_CALLEE_TREE:
callee_file = optarg;
break;
case OPT_CVSWEB:
cvsweb_url = optarg;
break;
case OPT_CVSWEB_CVSROOT:
cvsweb_cvsroot = optarg;
break;
case OPT_GTAGSCONF:
case OPT_GTAGSLABEL:
/* These options are already parsed in preparse_options() */
break;
case OPT_INSERT_FOOTER:
insert_footer = optarg;
break;
case OPT_INSERT_HEADER:
insert_header = optarg;
break;
case OPT_HTML_HEADER:
{
STATIC_STRBUF(sb);
if (!test("r", optarg))
die("file '%s' not found.", optarg);
strbuf_clear(sb);
loadfile(optarg, sb);
html_header = strbuf_value(sb);
}
break;
case OPT_ITEM_ORDER:
item_order = optarg;
break;
case OPT_TABS:
if (atoi(optarg) > 0)
tabs = atoi(optarg);
else
die("--tabs option requires numeric value.");
break;
case OPT_NCOL:
if (atoi(optarg) > 0)
ncol = atoi(optarg);
else
die("--ncol option requires numeric value.");
break;
case OPT_TREE_VIEW:
tree_view = 1;
if (optarg)
tree_view_type = optarg;
break;
case 'a':
aflag++;
break;
case 'd':
strlimcpy(arg_dbpath, optarg, sizeof(arg_dbpath));
break;
case 'D':
dynamic = 1;
break;
case 'f':
fflag++;
break;
case 'F':
Fflag++;
break;
case 'g':
gflag++;
break;
case 'h':
definition_header = AFTER_HEADER;
if (optarg) {
if (!strcmp(optarg, "before"))
definition_header = BEFORE_HEADER;
else if (!strcmp(optarg, "right"))
definition_header = RIGHT_HEADER;
else if (!strcmp(optarg, "after"))
definition_header = AFTER_HEADER;
else
die("The option value of --func-header must be one of 'before', 'right' and 'after'.");
}
break;
case 'I':
Iflag++;
break;
case 'm':
main_func = optarg;
break;
case 'n':
nflag++;
if (optarg) {
if (atoi(optarg) > 0)
ncol = atoi(optarg);
else
die("The option value of --line-number must be numeric.");
}
break;
case 'o':
other_files = 1;
break;
case 's':
symbol = 1;
break;
case 'T':
table_flist = 1;
if (optarg) {
if (atoi(optarg) > 0)
flist_fields = atoi(optarg);
else
die("The option value of the --table-flist must be numeric.");
}
break;
case 't':
title = optarg;
break;
case 'q':
qflag++;
setquiet();
break;
case 'v':
vflag++;
setverbose();
break;
case 'w':
wflag++;
break;
default:
usage();
break;
}
}
/*
* Leaving everything to htags.
* Htags selects popular options for you.
*/
if (suggest2)
suggest = 1;
if (suggest) {
int gtags_not_found = 0;
char dbpath[MAXPATHLEN];
aflag = Iflag = nflag = vflag = 1;
setverbose();
definition_header = AFTER_HEADER;
other_files = symbol = show_position = table_flist = fixed_guide = 1;
if (arg_dbpath[0]) {
if (!test("f", makepath(arg_dbpath, dbname(GTAGS), NULL)))
gtags_not_found = 1;
} else if (gtagsexist(".", dbpath, sizeof(dbpath), 0) == 0) {
gtags_not_found = 1;
}
if (gtags_not_found)
gflag = 1;
}
if (suggest2) {
Fflag = 1; /* uses frame */
fflag = dynamic = 1; /* needs a HTTP server */
auto_completion = tree_view = 1; /* needs javascript */
}
if (call_file && !test("fr", call_file))
die("cflow file not found. '%s'", call_file);
if (callee_file && !test("fr", callee_file))
die("cflow file not found. '%s'", callee_file);
if (insert_header && !test("fr", insert_header))
die("page header file '%s' not found.", insert_header);
if (insert_footer && !test("fr", insert_footer))
die("page footer file '%s' not found.", insert_footer);
if (!fflag)
auto_completion = 0;
argc -= optind;
argv += optind;
if (!av)
av = (argc > 0) ? *argv : NULL;
if (debug)
setdebug();
settabs(tabs); /* setup tab skip */
if (qflag) {
setquiet();
vflag = 0;
}
if (show_version)
version(av, vflag);
if (show_help)
help();
/*
* Invokes gtags beforehand.
*/
if (gflag) {
STRBUF *sb = strbuf_open(0);
strbuf_puts(sb, gtags_path);
if (vflag)
strbuf_puts(sb, " -v");
if (wflag)
strbuf_puts(sb, " -w");
if (suggest2 && enable_idutils && usable("mkid"))
strbuf_puts(sb, " -I");
if (arg_dbpath[0]) {
strbuf_putc(sb, ' ');
strbuf_puts(sb, arg_dbpath);
}
if (system(strbuf_value(sb)))
die("cannot execute gtags(1) command.");
strbuf_close(sb);
}
/*
* get dbpath.
*/
if (arg_dbpath[0]) {
strlimcpy(dbpath, arg_dbpath, sizeof(dbpath));
} else {
int status = setupdbpath(0);
if (status < 0)
die_with_code(-status, "%s", gtags_dbpath_error);
strlimcpy(dbpath, get_dbpath(), sizeof(dbpath));
}
if (!title) {
char *p = strrchr(cwdpath, sep);
title = p ? p + 1 : cwdpath;
}
if (cvsweb_url && test("d", "CVS"))
use_cvs_module = 1;
/*
* decide directory in which we make hypertext.
*/
if (av) {
char realpath[MAXPATHLEN];
if (!test("dw", av))
die("'%s' is not writable directory.", av);
if (chdir(av) < 0)
die("directory '%s' not found.", av);
if (!vgetcwd(realpath, sizeof(realpath)))
die("cannot get current directory");
if (chdir(cwdpath) < 0)
die("cannot return to original directory.");
snprintf(distpath, sizeof(distpath), "%s/HTML", realpath);
} else {
snprintf(distpath, sizeof(distpath), "%s/HTML", cwdpath);
}
/*
* Existence check of tag files.
*/
{
int i;
const char *path;
GTOP *gtop;
for (i = GPATH; i < GTAGLIM; i++) {
path = makepath(dbpath, dbname(i), NULL);
gtags_exist[i] = test("fr", path);
}
/*
* Real GRTAGS includes virtual GSYMS.
*/
gtags_exist[GSYMS] = symbol ? 1 : 0;
if (!gtags_exist[GPATH] || !gtags_exist[GTAGS] || !gtags_exist[GRTAGS])
die("GPATH, GTAGS and/or GRTAGS not found. Please reexecute htags with the -g option.");
/*
* version check.
* Do nothing, but the version of tag file will be checked.
*/
gtop = gtags_open(dbpath, cwdpath, GTAGS, GTAGS_READ, 0);
gtags_close(gtop);
/*
* Check whether GRTAGS is empty.
*/
gtop = gtags_open(dbpath, cwdpath, GRTAGS, GTAGS_READ, 0);
if (gtags_first(gtop, NULL, 0) == NULL)
grtags_is_empty = 1;
gtags_close(gtop);
}
/*
* make dbpath absolute.
*/
{
char buf[MAXPATHLEN];
if (realpath(dbpath, buf) == NULL)
die("cannot get realpath of dbpath.");
strlimcpy(dbpath, buf, sizeof(dbpath));
}
/*
* The older version (4.8.7 or former) of GPATH doesn't have files
* other than source file. The oflag requires new version of GPATH.
*/
if (other_files) {
GFIND *gp = gfind_open(dbpath, NULL, 0, 0);
if (gp->version < 2)
die("GPATH is old format. Please remake it by invoking gtags(1).");
gfind_close(gp);
}
/*
* for global(1) and gtags(1).
*/
set_env("GTAGSROOT", cwdpath);
set_env("GTAGSDBPATH", dbpath);
set_env("GTAGSLIBPATH", "");
/*------------------------------------------------------------------
* MAKE FILES
*------------------------------------------------------------------
* HTML/cgi-bin/global.cgi ... CGI program (1)
* HTML/cgi-bin/ghtml.cgi ... unzip script (1)
* HTML/.htaccess ... skeleton of .htaccess (1)
* HTML/help.html ... help file (2)
* HTML/R/ ... references (3)
* HTML/D/ ... definitions (3)
* HTML/search.html ... search index (4)
* HTML/defines.html ... definitions index (5)
* HTML/defines/ ... definitions index (5)
* HTML/files/ ... file index (6)
* HTML/index.html ... index file (7)
* HTML/mains.html ... main index (8)
* HTML/null.html ... main null html (8)
* HTML/S/ ... source files (9)
* HTML/I/ ... include file index (9)
* HTML/rebuild.sh ... rebuild script (10)
* HTML/style.css ... style sheet (11)
*------------------------------------------------------------------
*/
/* for clean up */
signal_setup();
sethandler(clean);
HTML = normal_suffix;
message("[%s] Htags started", now());
init_statistics();
/*
* (#) check if GTAGS, GRTAGS is the latest.
*/
if (get_dbpath())
message(" Using %s/GTAGS.", get_dbpath());
if (grtags_is_empty)
message(" GRTAGS is empty.");
if (gpath_open(dbpath, 0) < 0)
die("GPATH not found.");
if (!w32) {
/* UNDER CONSTRUCTION */
}
if (auto_completion || tree_view) {
STATIC_STRBUF(sb);
strbuf_clear(sb);
strbuf_puts_nl(sb, "<script type='text/javascript' src='js/jquery.js'></script>");
if (auto_completion)
loadfile(makepath(datadir, "gtags/jscode_suggest", NULL), sb);
if (tree_view)
loadfile(makepath(datadir, "gtags/jscode_treeview", NULL), sb);
jscode = strbuf_value(sb);
}
/*
* (0) make directories
*/
message("[%s] (0) making directories ...", now());
if (!test("d", distpath))
if (mkdir(distpath, 0777) < 0)
die("cannot make directory '%s'.", distpath);
make_directory_in_distpath("files");
make_directory_in_distpath("defines");
make_directory_in_distpath(SRCS);
make_directory_in_distpath(INCS);
make_directory_in_distpath(INCREFS);
if (!dynamic) {
make_directory_in_distpath(DEFS);
make_directory_in_distpath(REFS);
if (symbol)
make_directory_in_distpath(SYMS);
}
if (fflag || dynamic)
make_directory_in_distpath("cgi-bin");
if (Iflag)
make_directory_in_distpath("icons");
if (auto_completion || tree_view)
make_directory_in_distpath("js");
/*
* (1) make CGI program
*/
if (fflag || dynamic) {
char cgidir[MAXPATHLEN];
snprintf(cgidir, sizeof(cgidir), "%s/cgi-bin", distpath);
message("[%s] (1) making CGI program ...", now());
if (fflag || dynamic)
makeprogram(cgidir, "global.cgi", 0755);
if (auto_completion)
makeprogram(cgidir, "completion.cgi", 0755);
makehtaccess(cgidir, ".htaccess", 0644);
} else {
message("[%s] (1) making CGI program ...(skipped)", now());
}
if (av) {
const char *path = makepath(distpath, "GTAGSROOT", NULL);
FILE *op = fopen(path, "w");
if (op == NULL)
die("cannot make file '%s'.", path);
fputs(cwdpath, op);
fputc('\n', op);
fclose(op);
}
/*
* (2) make help file
*/
message("[%s] (2) making help.html ...", now());
makehelp("help.html");
/*
* (#) load GPATH
*/
load_gpath(dbpath);
/*
* (3) make function entries (D/ and R/)
* MAKING TAG CACHE
*/
message("[%s] (3) making tag lists ...", now());
cache_open();
tim = statistics_time_start("Time of making tag lists");
func_total = makedupindex();
statistics_time_end(tim);
message("Total %d functions.", func_total);
/*
* (4) search index. (search.html)
*/
if (Fflag && fflag) {
message("[%s] (4) making search index ...", now());
makesearchindex("search.html");
}
{
STRBUF *defines = strbuf_open(0);
STRBUF *files = strbuf_open(0);
/*
* (5) make definition index (defines.html and defines/)
* PRODUCE @defines
*/
message("[%s] (5) making definition index ...", now());
tim = statistics_time_start("Time of making definition index");
func_total = makedefineindex("defines.html", func_total, defines);
statistics_time_end(tim);
message("Total %d functions.", func_total);
/*
* (6) make file index (files.html and files/)
* PRODUCE @files, %includes
*/
message("[%s] (6) making file index ...", now());
init_inc();
tim = statistics_time_start("Time of making file index");
file_total = makefileindex("files.html", files);
statistics_time_end(tim);
message("Total %d files.", file_total);
html_count += file_total;
/*
* (7) make call tree using cflow(1)'s output (cflow.html)
*/
if (call_file || callee_file) {
message("[%s] (7) making cflow index ...", now());
tim = statistics_time_start("Time of making cflow index");
if (call_file)
if (makecflowindex("call.html", call_file) < 0)
call_file = NULL;
if (callee_file)
if (makecflowindex("callee.html", callee_file) < 0)
callee_file = NULL;
statistics_time_end(tim);
}
/*
* [#] make include file index.
*/
message("[%s] (#) making include file index ...", now());
tim = statistics_time_start("Time of making include file index");
makeincludeindex();
statistics_time_end(tim);
/*
* [#] make a common part for mains.html and index.html
* USING @defines @files
*/
message("[%s] (#) making a common part ...", now());
index = makecommonpart(title, strbuf_value(defines), strbuf_value(files));
strbuf_close(defines);
strbuf_close(files);
}
/*
* (7)make index file (index.html)
*/
message("[%s] (7) making index file ...", now());
makeindex("index.html", title, index);
/*
* (8) make main index (mains.html)
*/
message("[%s] (8) making main index ...", now());
makemainindex("mains.html", index);
/*
* (9) make HTML files (SRCS/)
* USING TAG CACHE, %includes and anchor database.
*/
message("[%s] (9) making hypertext from source code ...", now());
tim = statistics_time_start("Time of making hypertext");
makehtml(file_total);
statistics_time_end(tim);
/*
* (10) rebuild script. (rebuild.sh)
*
* Don't grant execute permission to rebuild script.
*/
makerebuild("rebuild.sh");
if (chmod(makepath(distpath, "rebuild.sh", NULL), 0640) < 0)
die("cannot chmod rebuild script.");
/*
* (11) style sheet file (style.css)
*/
if (enable_xhtml) {
char src[MAXPATHLEN];
char dist[MAXPATHLEN];
snprintf(src, sizeof(src), "%s/gtags/style.css", datadir);
snprintf(dist, sizeof(dist), "%s/style.css", distpath);
copyfile(src, dist);
}
if (auto_completion || tree_view) {
char src[MAXPATHLEN];
char dist[MAXPATHLEN];
snprintf(src, sizeof(src), "%s/gtags/jquery", datadir);
snprintf(dist, sizeof(dist), "%s/js", distpath);
copydirectory(src, dist);
snprintf(src, sizeof(src), "%s/gtags/jquery/images", datadir);
snprintf(dist, sizeof(dist), "%s/js/images", distpath);
copydirectory(src, dist);
}
message("[%s] Done.", now());
if (vflag && (fflag || dynamic || auto_completion)) {
message("\n[Information]\n");
message(" o Htags was invoked with the -f, -c, -D or --auto-completion option. You should");
message(" start http server so that cgi-bin/*.cgi is executed as a CGI script.");
message("\n If you are using Apache, 'HTML/.htaccess' might be helpful for you.\n");
message(" Good luck!\n");
}
if (Iflag) {
char src[MAXPATHLEN];
char dist[MAXPATHLEN];
snprintf(src, sizeof(src), "%s/gtags/icons", datadir);
snprintf(dist, sizeof(dist), "%s/icons", distpath);
copydirectory(src, dist);
}
gpath_close();
/*
* Print statistics information.
*/
print_statistics(statistics);
clean();
return 0;
}
int
decide_tag_by_context(const char *tag, const char *file, int lineno)
{
STRBUF *sb = NULL;
char path[MAXPATHLEN], s_fid[MAXFIDLEN];
const char *tagline, *p;
DBOP *dbop;
int db = GSYMS;
int iscompline = 0;
if (normalize(file, get_root_with_slash(), cwd, path, sizeof(path)) == NULL)
die("'%s' is out of source tree.", file);
/*
* get file id
*/
if (gpath_open(dbpath, 0) < 0)
die("GPATH not found.");
if ((p = gpath_path2fid(path, NULL)) == NULL)
die("path name in the context is not found.");
strlimcpy(s_fid, p, sizeof(s_fid));
gpath_close();
/*
* read btree records directly to avoid the overhead.
*/
dbop = dbop_open(makepath(dbpath, dbname(GTAGS), NULL), 0, 0, 0);
if (dbop == NULL)
die("cannot open GTAGS.");
if (dbop_getoption(dbop, COMPLINEKEY))
iscompline = 1;
tagline = dbop_first(dbop, tag, NULL, 0);
if (tagline) {
db = GTAGS;
for (; tagline; tagline = dbop_next(dbop)) {
/*
* examine whether the definition record include the context.
*/
p = locatestring(tagline, s_fid, MATCH_AT_FIRST);
if (p != NULL && *p == ' ') {
for (p++; *p && *p != ' '; p++)
;
if (*p++ != ' ' || !isdigit(*p))
die("Impossible! decide_tag_by_context(1)");
/*
* Standard format n <blank> <image>$
* Compact format d,d,d,d$
*/
if (!iscompline) { /* Standard format */
if (atoi(p) == lineno) {
db = GRTAGS;
goto finish;
}
} else { /* Compact format */
int n, cur, last = 0;
do {
if (!isdigit(*p))
die("Impossible! decide_tag_by_context(2)");
NEXT_NUMBER(p);
cur = last + n;
if (cur == lineno) {
db = GRTAGS;
goto finish;
}
last = cur;
if (*p == '-') {
if (!isdigit(*++p))
die("Impossible! decide_tag_by_context(3)");
NEXT_NUMBER(p);
cur = last + n;
if (lineno >= last && lineno <= cur) {
db = GRTAGS;
goto finish;
}
last = cur;
}
if (*p) {
if (*p == ',')
p++;
else
die("Impossible! decide_tag_by_context(4)");
}
} while (*p);
}
}
}
}
finish:
dbop_close(dbop);
if (db == GSYMS && getenv("GTAGSLIBPATH")) {
char libdbpath[MAXPATHLEN];
char *libdir = NULL, *nextp = NULL;
sb = strbuf_open(0);
strbuf_puts(sb, getenv("GTAGSLIBPATH"));
for (libdir = strbuf_value(sb); libdir; libdir = nextp) {
if ((nextp = locatestring(libdir, PATHSEP, MATCH_FIRST)) != NULL)
*nextp++ = 0;
if (!gtagsexist(libdir, libdbpath, sizeof(libdbpath), 0))
continue;
if (!strcmp(dbpath, libdbpath))
continue;
dbop = dbop_open(makepath(libdbpath, dbname(GTAGS), NULL), 0, 0, 0);
if (dbop == NULL)
continue;
tagline = dbop_first(dbop, tag, NULL, 0);
dbop_close(dbop);
if (tagline != NULL) {
db = GTAGS;
break;
}
}
strbuf_close(sb);
}
return db;
}
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");
}
}
/*
* incremental: incremental update
*
* i) dbpath dbpath directory
* i) root root directory of source tree
* r) 0: not updated, 1: updated
*/
int
incremental(const char *dbpath, const char *root)
{
STATISTICS_TIME *tim;
struct stat statp;
STRBUF *addlist = strbuf_open(0);
STRBUF *deletelist = strbuf_open(0);
STRBUF *addlist_other = strbuf_open(0);
IDSET *deleteset, *findset;
int updated = 0;
const char *path;
unsigned int id, limit;
tim = statistics_time_start("Time of inspecting %s and %s.", dbname(GTAGS), dbname(GRTAGS));
if (vflag) {
fprintf(stderr, " Tag found in '%s'.\n", dbpath);
fprintf(stderr, " Incremental updating.\n");
}
/*
* get modified time of GTAGS.
*/
path = makepath(dbpath, dbname(GTAGS), NULL);
if (gpath_open(dbpath, 0) < 0)
die("GPATH not found.");
/*
* deleteset:
* The list of the path name which should be deleted from GPATH.
* findset:
* The list of the path name which exists in the current project.
* A project is limited by the --file option.
*/
deleteset = idset_open(gpath_nextkey());
findset = idset_open(gpath_nextkey());
total = 0;
/*
* Make add list and delete list for update.
*/
if (single_update) {
int type;
const char *fid = gpath_path2fid(single_update, &type);
/*
* The --single-update=file supports only updating.
* If it is new file, this option is ignored, and the processing is
* automatically switched to the normal procedure.
*/
if (fid == NULL) {
if (vflag)
fprintf(stderr, " --single-update option ignored, because '%s' is new file.\n", single_update);
goto normal_update;
}
/*
* If type != GPATH_SOURCE then we have nothing to do, and you will see
* a message 'Global databases are up to date.'.
*/
if (type == GPATH_SOURCE) {
strbuf_puts0(addlist, single_update);
idset_add(deleteset, atoi(fid));
total++;
}
} else {
normal_update:
if (file_list)
find_open_filelist(file_list, root);
else
find_open(NULL);
while ((path = find_read()) != NULL) {
const char *fid;
int n_fid = 0;
int other = 0;
/* a blank at the head of path means 'NOT SOURCE'. */
if (*path == ' ') {
if (test("b", ++path))
continue;
other = 1;
}
if (stat(path, &statp) < 0)
die("stat failed '%s'.", path);
fid = gpath_path2fid(path, NULL);
if (fid) {
n_fid = atoi(fid);
idset_add(findset, n_fid);
}
if (other) {
if (fid == NULL)
strbuf_puts0(addlist_other, path);
} else {
if (fid == NULL) {
strbuf_puts0(addlist, path);
total++;
} else if (gpath_mtime(NULL, fid) < statp.st_mtime) {
if (uflag) {
printf("%s\n", path);
} else {
strbuf_puts0(addlist, path);
total++;
idset_add(deleteset, n_fid);
}
}
}
}
find_close();
/*
* make delete list.
*/
if (remove_lost) {
limit = gpath_nextkey();
} else {
limit = 0;
}
for (id = 1; id < limit; id++) {
char fid[MAXFIDLEN];
int type;
snprintf(fid, sizeof(fid), "%d", id);
/*
* This is a hole of GPATH. The hole increases if the deletion
* and the addition are repeated.
*/
if ((path = gpath_fid2path(fid, &type)) == NULL)
continue;
/*
* The file which does not exist in the findset is treated
* assuming that it does not exist in the file system.
*/
if (type == GPATH_OTHER) {
if (!idset_contains(findset, id) || !test("f", path) || test("b", path))
strbuf_puts0(deletelist, path);
} else {
if (!idset_contains(findset, id) || !test("f", path)) {
strbuf_puts0(deletelist, path);
idset_add(deleteset, id);
}
}
}
}
gpath_close();
statistics_time_end(tim);
/*
* execute updating.
*/
if ((!idset_empty(deleteset) || strbuf_getlen(addlist) > 0) ||
(strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0))
{
int db;
updated = 1;
tim = statistics_time_start("Time of updating %s and %s.", dbname(GTAGS), dbname(GRTAGS));
if (!idset_empty(deleteset) || strbuf_getlen(addlist) > 0)
updatetags(dbpath, root, deleteset, addlist);
if (strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0) {
const char *start, *end, *p;
if (vflag)
fprintf(stderr, "[%s] Updating '%s'.\n", now(), dbname(GPATH));
gpath_open(dbpath, 2);
if (strbuf_getlen(deletelist) > 0) {
start = strbuf_value(deletelist);
end = start + strbuf_getlen(deletelist);
for (p = start; p < end; p += strlen(p) + 1)
gpath_delete(p);
}
if (strbuf_getlen(addlist_other) > 0) {
start = strbuf_value(addlist_other);
end = start + strbuf_getlen(addlist_other);
for (p = start; p < end; p += strlen(p) + 1)
gpath_put(p, GPATH_OTHER);
}
gpath_close();
}
/*
* Update modification time of tag files
* because they may have no definitions.
*/
for (db = GTAGS; db < GTAGLIM; db++)
utime(makepath(dbpath, dbname(db), NULL), NULL);
statistics_time_end(tim);
}
if (vflag) {
if (updated)
fprintf(stderr, " Global databases have been modified.\n");
else
fprintf(stderr, " Global databases are up to date.\n");
fprintf(stderr, "[%s] Done.\n", now());
}
strbuf_close(addlist);
strbuf_close(deletelist);
strbuf_close(addlist_other);
idset_close(deleteset);
idset_close(findset);
return updated;
}