/**
* completion_idutils: print completion list of specified @a prefix
*
* @param[in] dbpath dbpath directory
* @param[in] root root directory
* @param[in] prefix prefix of primary key
*/
void
completion_idutils(const char *dbpath, const char *root, const char *prefix)
{
FILE *ip;
STRBUF *sb = strbuf_open(0);
const char *lid = usable("lid");
char *line, *p;
if (prefix && *prefix == 0) /* In the case global -c '' */
prefix = NULL;
/*
* make lid command line.
* Invoke lid with the --result=grep option to generate grep format.
*/
if (!lid)
die("lid(idutils) not found.");
strbuf_puts(sb, lid);
strbuf_sprintf(sb, " --file=%s/ID", quote_shell(dbpath));
strbuf_puts(sb, " --key=token");
if (iflag)
strbuf_puts(sb, " --ignore-case");
if (prefix) {
strbuf_putc(sb, ' ');
strbuf_putc(sb, '"');
strbuf_putc(sb, '^');
strbuf_puts(sb, prefix);
strbuf_putc(sb, '"');
}
if (debug)
fprintf(stderr, "completion_idutils: %s\n", strbuf_value(sb));
if (chdir(root) < 0)
die("cannot move to '%s' directory.", root);
if (!(ip = popen(strbuf_value(sb), "r")))
die("cannot execute '%s'.", strbuf_value(sb));
while ((line = strbuf_fgets(sb, ip, STRBUF_NOCRLF)) != NULL) {
for (p = line; *p && *p != ' '; p++)
;
if (*p == '\0') {
warning("Invalid line: %s", line);
continue;
}
*p = '\0';
puts(line);
}
if (pclose(ip) != 0)
die("terminated abnormally (errno = %d).", errno);
strbuf_close(sb);
}
/*
* makedefineindex: make definition index (including alphabetic index)
*
* @param[in] file definition index file
* @param[in] total definitions total
* @param[out] defines @defines
* Globals used (input):
* tag cache XXX: should this be global output, not input?
*/
int
makedefineindex(const char *file, int total, STRBUF *defines)
{
int count = 0;
int alpha_count = 0;
FILEOP *fileop_MAP = NULL, *fileop_DEFINES, *fileop_ALPHA = NULL;
FILE *MAP = NULL;
FILE *DEFINES, *STDOUT, *TAGS, *ALPHA = NULL;
STRBUF *sb = strbuf_open(0);
STRBUF *url = strbuf_open(0);
/* Index link */
const char *target = (Fflag) ? "mains" : "_top";
const char *indexlink;
const char *index_string = "Index Page";
char command[1024], buf[1024], alpha[32], alpha_f[32], *_;
if (!aflag && !Fflag)
indexlink = "mains";
else if (Fflag)
indexlink = "../defines";
else
indexlink = "../mains";
if (map_file) {
fileop_MAP = open_output_file(makepath(distpath, "MAP", NULL), 0);
MAP = get_descripter(fileop_MAP);
}
fileop_DEFINES = open_output_file(makepath(distpath, file, NULL), 0);
DEFINES = get_descripter(fileop_DEFINES);
fputs_nl(gen_page_begin(title_define_index, TOPDIR), DEFINES);
fputs_nl(body_begin, DEFINES);
fputs(header_begin, DEFINES);
if (Fflag)
fputs(gen_href_begin(NULL, "defines", normal_suffix, NULL), DEFINES);
fputs(title_define_index, DEFINES);
if (Fflag)
fputs(gen_href_end(), DEFINES);
fputs_nl(header_end, DEFINES);
if (!aflag && !Fflag) {
fputs(gen_href_begin_with_title(NULL, indexlink, normal_suffix, NULL, index_string), DEFINES);
if (Iflag)
fputs(gen_image(CURRENT, back_icon, ".."), DEFINES);
else
fputs("[..]", DEFINES);
fputs_nl(gen_href_end(), DEFINES);
}
if (!aflag) {
if (!no_order_list)
fputs_nl(list_begin, DEFINES);
}
/*
* map DEFINES to STDOUT.
*/
STDOUT = DEFINES;
snprintf(command, sizeof(command), PQUOTE "%s -c" PQUOTE, quote_shell(global_path));
if ((TAGS = popen(command, "r")) == NULL)
die("cannot execute '%s'.", command);
alpha[0] = '\0';
while ((_ = strbuf_fgets(sb, TAGS, STRBUF_NOCRLF)) != NULL) {
const char *tag, *line;
char guide[1024], url_for_map[1024];
count++;
tag = _;
message(" [%d/%d] adding %s", count, total, tag);
if (aflag && (alpha[0] == '\0' || !locatestring(tag, alpha, MATCH_AT_FIRST))) {
const char *msg = (alpha_count == 1) ? "definition" : "definitions";
int c;
if (alpha[0]) {
char tmp[128];
snprintf(tmp, sizeof(tmp), "%d %s", alpha_count, msg);
strbuf_puts(defines, gen_href_begin_with_title("defines", alpha_f, HTML, NULL, tmp));
strbuf_sprintf(defines, "[%s]", alpha);
strbuf_puts_nl(defines, gen_href_end());
alpha_count = 0;
if (!no_order_list)
fputs_nl(list_end, ALPHA);
else
fputs_nl(br, ALPHA);
fputs(gen_href_begin_with_title(NULL, indexlink, normal_suffix, NULL, index_string), ALPHA);
if (Iflag)
fputs(gen_image(PARENT, back_icon, ".."), ALPHA);
else
fputs("[..]", ALPHA);
fputs_nl(gen_href_end(), ALPHA);
fputs_nl(body_end, ALPHA);
fputs_nl(gen_page_end(), ALPHA);
close_file(fileop_ALPHA);
html_count++;
}
/*
* setup index char (for example, 'a' of '[a]').
* alpha is used for display.
* alpha_f is used for part of path.
*/
c = (unsigned char)*tag;
if (c > 127) {
int i2 = *(tag + 1) & 0xff;
/*
* for multi-byte(EUC) code.
*/
alpha[0] = *tag;
alpha[1] = *(tag + 1);
alpha[2] = '\0';
snprintf(alpha_f, sizeof(alpha_f), "%03d%03d", c, i2);
} else if (isalpha(c) || c == '_') {
alpha[0] = *tag;
alpha[1] = '\0';
/*
* for CD9660 or FAT file system
*/
if (islower(c)) {
alpha_f[0] = 'l';
alpha_f[1] = *tag;
alpha_f[2] = '\0';
} else {
alpha_f[0] = *tag;
alpha_f[1] = '\0';
}
} else {
alpha[0] = *tag;
alpha[1] = '\0';
snprintf(alpha_f, sizeof(alpha_f), "%03d", c);
}
snprintf(buf, sizeof(buf), "%s/defines/%s.%s", distpath, alpha_f, HTML);
fileop_ALPHA = open_output_file(buf, 0);
ALPHA = get_descripter(fileop_ALPHA);
snprintf(buf, sizeof(buf), "[%s]", alpha);
fputs_nl(gen_page_begin(buf, SUBDIR), ALPHA);
fputs_nl(body_begin, ALPHA);
fprintf(ALPHA, "%s[%s]%s\n", header_begin, alpha, header_end);
fputs(gen_href_begin_with_title(NULL, indexlink, normal_suffix, NULL, index_string), ALPHA);
if (Iflag)
fputs(gen_image(PARENT, back_icon, ".."), ALPHA);
else
fputs("[..]", ALPHA);
fputs_nl(gen_href_end(), ALPHA);
if (!no_order_list)
fputs_nl(list_begin, ALPHA);
else
fprintf(ALPHA, "%s%s\n", br, br);
STDOUT = ALPHA;
}
alpha_count++;
/*
* generating url for function definition.
*/
line = cache_get(GTAGS, tag);
strbuf_reset(url);
if (line == NULL)
die("internal error in makedefineindex().");
/*
* About the format of 'line', please see the head comment of cache.c.
*/
if (*line == ' ') {
const char *fid = line + 1;
const char *enumber = nextstring(fid);
snprintf(url_for_map, sizeof(url_for_map), "%s/%s.%s",
DEFS, fid, HTML);
if (dynamic) {
if (*action != '/' && aflag)
strbuf_puts(url, "../");
strbuf_puts(url, action);
strbuf_sprintf(url, "?pattern=%s%stype=definitions", tag, quote_amp);
} else {
if (aflag)
strbuf_puts(url, "../");
strbuf_sprintf(url, "%s/%s.%s", DEFS, fid, HTML);
}
snprintf(guide, sizeof(guide), "Multiple defined in %s places.", enumber);
} else {
const char *lno = line;
const char *fid = nextstring(line);
const char *path = gpath_fid2path(fid, NULL);
path += 2; /* remove './' */
snprintf(url_for_map, sizeof(url_for_map), "%s/%s.%s#L%s",
SRCS, fid, HTML, lno);
if (aflag)
strbuf_puts(url, "../");
strbuf_sprintf(url, "%s/%s.%s#L%s", SRCS, fid, HTML, lno);
snprintf(guide, sizeof(guide), "Defined at %s in %s.", lno, path);
}
if (!no_order_list)
fputs(item_begin, STDOUT);
fputs(gen_href_begin_with_title_target(NULL, strbuf_value(url), NULL, NULL, guide, target), STDOUT);
fputs(tag, STDOUT);
fputs(gen_href_end(), STDOUT);
if (!no_order_list)
fputs(item_end, STDOUT);
else
fputs(br, STDOUT);
fputc('\n', STDOUT);
if (map_file)
fprintf(MAP, "%s\t%s\n", tag, url_for_map);
}
if (pclose(TAGS) != 0)
die("terminated abnormally '%s' (errno = %d).", command, errno);
if (aflag && alpha[0]) {
char tmp[128];
const char *msg = (alpha_count == 1) ? "definition" : "definitions";
snprintf(tmp, sizeof(tmp), "%d %s", alpha_count, msg);
strbuf_puts(defines, gen_href_begin_with_title("defines", alpha_f, HTML, NULL, tmp));
strbuf_sprintf(defines, "[%s]", alpha);
strbuf_puts_nl(defines, gen_href_end());
if (!no_order_list)
fputs_nl(list_end, ALPHA);
else
fputs_nl(br, ALPHA);
fputs(gen_href_begin_with_title(NULL, indexlink, normal_suffix, NULL, index_string), ALPHA);
if (Iflag)
fputs(gen_image(PARENT, back_icon, ".."), ALPHA);
else
fputs("[..]", ALPHA);
fputs_nl(gen_href_end(), ALPHA);
fputs_nl(body_end, ALPHA);
fputs_nl(gen_page_end(), ALPHA);
close_file(fileop_ALPHA);
html_count++;
fputs(strbuf_value(defines), DEFINES);
}
if (!no_order_list && !aflag)
fputs_nl(list_end, DEFINES);
if (!aflag && !Fflag) {
fputs(gen_href_begin_with_title(NULL, "mains", normal_suffix, NULL, index_string), DEFINES);
if (Iflag)
fputs(gen_image(CURRENT, back_icon, ".."), DEFINES);
else
fputs("[..]", DEFINES);
fputs_nl(gen_href_end(), DEFINES);
}
fputs_nl(body_end, DEFINES);
fputs_nl(gen_page_end(), DEFINES);
close_file(fileop_DEFINES);
html_count++;
if (map_file)
close_file(fileop_MAP);
strbuf_close(sb);
strbuf_close(url);
return count;
}
/**
* anchor_prepare: setup input stream.
*
* @param[in] anchor_stream file pointer of path list
*/
void
anchor_prepare(FILE *anchor_stream)
{
/*
* Option table:
* We use blank string as null option instead of null string("")
* not to change the command length. This length influences
* the number of arguments in the xargs processing.
*/
static const char *const options[] = {NULL, " ", "r", "s"};
char comline[MAXFILLEN];
int db;
for (db = GTAGS; db < GTAGLIM; db++) {
anchor_input[db] = NULL;
/*
* Htags(1) should not use gtags-parser(1) directly;
* it should use global(1) with the -f option instead.
* Because gtags-parser is part of the implementation of
* gtags(1) and global(1), and htags is only an application
* program which uses global(1). If htags depends on
* gtags-parser, it will become difficult to change the
* implementation of gtags and global.
*
* Though the output of global -f is not necessarily sorted
* by the path, it is guaranteed that the records concerning
* the same file are consecutive.
*/
if (gtags_exist[db] == 1) {
snprintf(comline, sizeof(comline), "%s -f%s --encode-path=\" \t\" --result=ctags-xid --nofilter=path", quote_shell(global_path), options[db]);
anchor_input[db] = xargs_open_with_file(comline, 0, anchor_stream);
}
}
}
/*
* Make duplicate object index.
*
* If referred tag is only one, direct link which points the tag is generated.
* Else if two or more tag exists, indirect link which points the tag list
* is generated.
*/
int
makedupindex(void)
{
STRBUF *sb = strbuf_open(0);
STRBUF *tmp = strbuf_open(0);
STRBUF *command = strbuf_open(0);
int definition_count = 0;
char srcdir[MAXPATHLEN];
int db;
FILEOP *fileop = NULL;
FILE *op = NULL;
FILE *ip = NULL;
snprintf(srcdir, sizeof(srcdir), "../%s", SRCS);
for (db = GTAGS; db < GTAGLIM; db++) {
const char *kind = kinds[db];
const char *option = options[db];
int writing = 0;
int count = 0;
int entry_count = 0;
const char *ctags_xid, *ctags_x;
char tag[IDENTLEN], prev[IDENTLEN], first_line[MAXBUFLEN];
if (gtags_exist[db] == 0)
continue;
prev[0] = 0;
first_line[0] = 0;
/*
* construct command line.
*/
strbuf_reset(command);
strbuf_sprintf(command, "%s -x%s --result=ctags-xid --encode-path=\" \t\" --nofilter=path", quote_shell(global_path), option);
/*
* Optimization when the --dynamic option is specified.
*/
if (dynamic) {
strbuf_puts(command, " --nosource");
if (db != GSYMS)
strbuf_puts(command, " --nofilter=sort");
}
strbuf_puts(command, " \".*\"");
if ((ip = popen(strbuf_value(command), "r")) == NULL)
die("cannot execute command '%s'.", strbuf_value(command));
while ((ctags_xid = strbuf_fgets(sb, ip, STRBUF_NOCRLF)) != NULL) {
char fid[MAXFIDLEN];
ctags_x = parse_xid(ctags_xid, fid, NULL);
/* tag name */
(void)strcpy_withterm(tag, ctags_x, sizeof(tag), ' ');
if (strcmp(prev, tag)) {
count++;
if (vflag)
fprintf(stderr, " [%d] adding %s %s\n", count, kind, tag);
if (writing) {
if (!dynamic) {
fputs_nl(gen_list_end(), op);
fputs_nl(body_end, op);
fputs_nl(gen_page_end(), op);
close_file(fileop);
html_count++;
}
writing = 0;
/*
* cache record: " <fid>\0<entry number>\0"
*/
strbuf_reset(tmp);
strbuf_putc(tmp, ' ');
strbuf_putn(tmp, count - 1);
strbuf_putc(tmp, '\0');
strbuf_putn(tmp, entry_count);
cache_put(db, prev, strbuf_value(tmp), strbuf_getlen(tmp) + 1);
}
/* single entry */
if (first_line[0]) {
char fid[MAXFIDLEN];
const char *ctags_x = parse_xid(first_line, fid, NULL);
const char *lno = nextelement(ctags_x);
strbuf_reset(tmp);
strbuf_puts_withterm(tmp, lno, ' ');
strbuf_putc(tmp, '\0');
strbuf_puts(tmp, fid);
cache_put(db, prev, strbuf_value(tmp), strbuf_getlen(tmp) + 1);
}
/*
* Chop the tail of the line. It is not important.
* strlimcpy(first_line, ctags_x, sizeof(first_line));
*/
strncpy(first_line, ctags_xid, sizeof(first_line));
first_line[sizeof(first_line) - 1] = '\0';
strlimcpy(prev, tag, sizeof(prev));
entry_count = 0;
} else {
/* duplicate entry */
if (first_line[0]) {
char fid[MAXFIDLEN];
const char *ctags_x = parse_xid(first_line, fid, NULL);
if (!dynamic) {
char path[MAXPATHLEN];
snprintf(path, sizeof(path), "%s/%s/%d.%s", distpath, dirs[db], count, HTML);
fileop = open_output_file(path, cflag);
op = get_descripter(fileop);
fputs_nl(gen_page_begin(tag, SUBDIR), op);
fputs_nl(body_begin, op);
fputs_nl(gen_list_begin(), op);
fputs_nl(gen_list_body(srcdir, ctags_x, fid), op);
}
writing = 1;
entry_count++;
first_line[0] = 0;
}
if (!dynamic) {
fputs_nl(gen_list_body(srcdir, ctags_x, fid), op);
}
entry_count++;
}
}
if (db == GTAGS)
definition_count = count;
if (pclose(ip) != 0)
die("'%s' failed.", strbuf_value(command));
if (writing) {
if (!dynamic) {
fputs_nl(gen_list_end(), op);
fputs_nl(body_end, op);
fputs_nl(gen_page_end(), op);
close_file(fileop);
html_count++;
}
/*
* cache record: " <fid>\0<entry number>\0"
*/
strbuf_reset(tmp);
strbuf_putc(tmp, ' ');
strbuf_putn(tmp, count);
strbuf_putc(tmp, '\0');
strbuf_putn(tmp, entry_count);
cache_put(db, prev, strbuf_value(tmp), strbuf_getlen(tmp) + 1);
}
if (first_line[0]) {
char fid[MAXFIDLEN];
const char *ctags_x = parse_xid(first_line, fid, NULL);
const char *lno = nextelement(ctags_x);
strbuf_reset(tmp);
strbuf_puts_withterm(tmp, lno, ' ');
strbuf_putc(tmp, '\0');
strbuf_puts(tmp, fid);
cache_put(db, prev, strbuf_value(tmp), strbuf_getlen(tmp) + 1);
}
}
strbuf_close(sb);
strbuf_close(tmp);
strbuf_close(command);
return definition_count;
}
/**
* makecommonpart: make a common part for "mains.html" and "index.html"
*
* @param[in] title
* @param[in] defines
* @param[in] files
* @return index common part
*/
static char *
makecommonpart(const char *title, const char *defines, const char *files)
{
FILE *ip;
STRBUF *sb = strbuf_open(0);
STRBUF *ib = strbuf_open(0);
char buf[MAXFILLEN];
const char *tips = "Go to the GLOBAL project page.";
const char *_, *item;
strbuf_puts(sb, title_begin);
strbuf_puts(sb, title);
strbuf_puts_nl(sb, title_end);
strbuf_puts_nl(sb, poweredby_begin);
strbuf_sprintf(sb, "Last updated %s%s\n", now(), br);
if (Iflag) {
snprintf(buf, sizeof(buf), "Powered by GLOBAL-%s.", get_version());
strbuf_puts(sb, gen_href_begin_with_title_target(NULL, www, NULL, NULL, tips,"_top"));
strbuf_puts(sb, gen_image(CURRENT, "pglobe", buf));
strbuf_puts(sb, gen_href_end());
strbuf_puts(sb, br);
} else {
strbuf_sprintf(sb, "Powered by %sGLOBAL-%s%s.%s\n",
gen_href_begin_with_title_target(NULL, www, NULL, NULL, tips, "_top"),
get_version(),
gen_href_end(),
br);
}
strbuf_puts_nl(sb, poweredby_end);
strbuf_puts_nl(sb, hr);
/*
* Print items according to the value of variable 'item_order'.
*/
for (item = item_order; *item; item++) {
switch (*item) {
case 'c':
if (caution) {
strbuf_puts_nl(sb, caution_begin);
strbuf_sprintf(sb, "<font size='+2' color='red'>CAUTION</font>%s\n", br);
strbuf_sprintf(sb, "This hypertext consists of %d files.\n", html_count);
strbuf_puts_nl(sb, "Please don't download the whole hypertext using a hypertext copy tool.");
strbuf_puts_nl(sb, "Our network cannot afford such traffic.");
strbuf_puts_nl(sb, "Instead, you can generate the same thing in your computer using");
strbuf_puts(sb, gen_href_begin_with_title_target(NULL, www, NULL, NULL, NULL, "_top"));
strbuf_puts(sb, "GLOBAL source code tag system");
strbuf_puts_nl(sb, gen_href_end());
strbuf_puts_nl(sb, "Thank you.");
strbuf_puts_nl(sb, caution_end);
strbuf_sprintf(sb, "\n%s\n", hr);
}
break;
case 's':
if (fflag) {
strbuf_puts(sb, makesearchpart(NULL));
strbuf_puts_nl(sb, hr);
}
break;
case 't':
if (call_file || callee_file) {
strbuf_puts(sb, header_begin);
if (call_file) {
strbuf_puts(sb, gen_href_begin(NULL, "call", normal_suffix, NULL));
strbuf_puts(sb, title_call_tree);
strbuf_puts(sb, gen_href_end());
}
if (call_file && callee_file)
strbuf_puts(sb, " / ");
if (callee_file) {
strbuf_puts(sb, gen_href_begin(NULL, "callee", normal_suffix, NULL));
strbuf_puts(sb, title_callee_tree);
strbuf_puts(sb, gen_href_end());
}
strbuf_puts_nl(sb, header_end);
strbuf_puts_nl(sb, hr);
}
break;
case 'm':
strbuf_sprintf(sb, "%sMAINS%s\n", header_begin, header_end);
snprintf(buf, sizeof(buf), PQUOTE "%s --result=ctags-xid --encode-path=\" \t\" --nofilter=path %s" PQUOTE, quote_shell(global_path), main_func);
ip = popen(buf, "r");
if (!ip)
die("cannot execute '%s'.", buf);
strbuf_puts_nl(sb, gen_list_begin());
while ((_ = strbuf_fgets(ib, ip, STRBUF_NOCRLF)) != NULL) {
char fid[MAXFIDLEN];
const char *ctags_x = parse_xid(_, fid, NULL);
strbuf_puts_nl(sb, gen_list_body(SRCS, ctags_x, fid));
}
strbuf_puts_nl(sb, gen_list_end());
if (pclose(ip) != 0)
die("terminated abnormally '%s' (errno = %d).", buf, errno);
strbuf_puts_nl(sb, hr);
break;
case 'd':
if (aflag && !Fflag) {
strbuf_puts(sb, header_begin);
strbuf_puts(sb, title_define_index);
strbuf_puts_nl(sb, header_end);
strbuf_puts(sb, defines);
} else {
strbuf_puts(sb, header_begin);
strbuf_puts(sb, gen_href_begin(NULL, "defines", normal_suffix, NULL));
strbuf_puts(sb, title_define_index);
strbuf_puts(sb, gen_href_end());
strbuf_puts_nl(sb, header_end);
}
strbuf_puts_nl(sb, hr);
break;
case 'f':
if (Fflag) {
strbuf_puts(sb, header_begin);
strbuf_puts(sb, gen_href_begin(NULL, "files", normal_suffix, NULL));
strbuf_puts(sb, title_file_index);
strbuf_puts(sb, gen_href_end());
strbuf_puts_nl(sb, header_end);
} else {
strbuf_puts(sb, header_begin);
strbuf_puts(sb, title_file_index);
strbuf_puts_nl(sb, header_end);
if (tree_view) {
strbuf_puts_nl(sb, tree_control);
strbuf_puts_nl(sb, tree_loading);
if (tree_view_type) {
strbuf_sprintf(sb, tree_begin_using, tree_view_type);
strbuf_putc(sb, '\n');
} else {
strbuf_puts_nl(sb, tree_begin);
}
} else if (table_flist)
strbuf_puts_nl(sb, flist_begin);
else if (!no_order_list)
strbuf_puts_nl(sb, list_begin);
strbuf_puts(sb, files);
if (tree_view)
strbuf_puts_nl(sb, tree_end);
else if (table_flist)
strbuf_puts_nl(sb, flist_end);
else if (!no_order_list)
strbuf_puts_nl(sb, list_end);
else
strbuf_puts_nl(sb, br);
}
strbuf_puts_nl(sb, hr);
break;
default:
warning("unknown item '%c'. (Ignored)", *item);
break;
}
}
strbuf_close(ib);
return strbuf_value(sb);
/* doesn't close string buffer */
}
/**
* save_environment: save configuration data and arguments.
*/
static void
save_environment(int argc, char *const *argv)
{
char command[MAXFILLEN];
STRBUF *sb = strbuf_open(0);
STRBUF *save_c = strbuf_open(0);
STRBUF *save_a = strbuf_open(0);
int i;
const char *p;
FILE *ip;
/*
* save config values.
*/
snprintf(command, sizeof(command), PQUOTE "%s --config" PQUOTE, quote_shell(gtags_path));
if ((ip = popen(command, "r")) == NULL)
die("cannot execute '%s'.", command);
while (strbuf_fgets(sb, ip, STRBUF_NOCRLF) != NULL) {
for (p = strbuf_value(sb); *p; p++) {
if (*p == '\'') {
strbuf_putc(save_c, '\'');
strbuf_putc(save_c, '"');
strbuf_putc(save_c, '\'');
strbuf_putc(save_c, '"');
strbuf_putc(save_c, '\'');
} else
strbuf_putc(save_c, *p);
}
}
if (pclose(ip) != 0)
die("terminated abnormally '%s' (errno = %d).", command, errno);
strbuf_close(sb);
save_config = strbuf_value(save_c);
/* doesn't close string buffer for save config. */
/* strbuf_close(save_c); */
/*
* save arguments.
*/
{
char *opt_gtagsconf = "--gtagsconf";
for (i = 1; i < argc; i++) {
char *blank;
/*
* skip --gtagsconf because it is already read
* as config value.
*/
if ((p = locatestring(argv[i], opt_gtagsconf, MATCH_AT_FIRST))) {
if (*p == '\0')
i++;
continue;
}
blank = locatestring(argv[i], " ", MATCH_FIRST);
strbuf_putc(save_a, ' ');
if (blank)
strbuf_putc(save_a, '\'');
strbuf_puts(save_a, argv[i]);
if (blank)
strbuf_putc(save_a, '\'');
}
}
save_argv = strbuf_value(save_a);
/* doesn't close string buffer for save arguments. */
/* strbuf_close(save_a); */
}
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;
}
/*----------------------------------------------------------------------*/
void
makeincludeindex(void)
{
FILE *PIPE;
STRBUF *input = strbuf_open(0);
char *ctags_x;
struct data *inc;
char *target = (Fflag) ? "mains" : "_top";
char command[MAXFILLEN];
/*
* Pick up include pattern.
*
* C: #include "xxx.h"
* PHP: include("xxx.inc.php");
*/
/*
* Unlike Perl regular expression, POSIX regular expression doesn't support C-style escape sequence.
* Therefore, we can not use "\\t" here.
*/
snprintf(command, sizeof(command), PQUOTE "%s -gnx --encode-path=\" \t\" \"^[ \t]*(#[ \t]*(import|include)|include[ \t]*\\()\"" PQUOTE, quote_shell(global_path));
if ((PIPE = popen(command, "r")) == NULL)
die("cannot execute '%s'.", command);
strbuf_reset(input);
while ((ctags_x = strbuf_fgets(input, PIPE, STRBUF_NOCRLF)) != NULL) {
SPLIT ptable;
char buf[MAXBUFLEN];
int is_php = 0;
const char *last, *lang, *suffix;
if (split(ctags_x, 4, &ptable) < 4) {
recover(&ptable);
die("too small number of parts in makefileindex().");
}
if ((suffix = locatestring(ptable.part[PART_PATH].start, ".", MATCH_LAST)) != NULL
&& (lang = decide_lang(suffix)) != NULL
&& strcmp(lang, "php") == 0)
is_php = 1;
last = extract_lastname(ptable.part[PART_LINE].start, is_php);
if (last == NULL || (inc = get_inc(last)) == NULL)
continue;
recover(&ptable);
/*
* s/^[^ \t]+/$last/;
*/
{
const char *p;
char *q = buf;
for (p = last; *p; p++)
*q++ = *p;
for (p = ctags_x; *p && *p != ' ' && *p != '\t'; p++)
;
for (; *p; p++)
*q++ = *p;
*q = '\0';
}
put_included(inc, buf);
}
if (pclose(PIPE) != 0)
die("terminated abnormally '%s' (errno = %d).", command, errno);
for (inc = first_inc(); inc; inc = next_inc()) {
const char *last = inc->name;
int no = inc->id;
FILEOP *fileop_INCLUDE;
FILE *INCLUDE;
if (inc->count > 1) {
char path[MAXPATHLEN];
snprintf(path, sizeof(path), "%s/%s/%d.%s", distpath, INCS, no, HTML);
fileop_INCLUDE = open_output_file(path, 0);
INCLUDE = get_descripter(fileop_INCLUDE);
fputs_nl(gen_page_begin(last, SUBDIR), INCLUDE);
fputs_nl(body_begin, INCLUDE);
fputs_nl(verbatim_begin, INCLUDE);
{
const char *filename = strbuf_value(inc->contents);
int count = inc->count;
for (; count; filename += strlen(filename) + 1, count--) {
fputs(gen_href_begin_with_title_target(upperdir(SRCS), path2fid(filename), HTML, NULL, NULL, target), INCLUDE);
fputs(removedotslash(filename), INCLUDE);
fputs_nl(gen_href_end(), INCLUDE);
}
}
fputs_nl(verbatim_end, INCLUDE);
fputs_nl(body_end, INCLUDE);
fputs_nl(gen_page_end(), INCLUDE);
close_file(fileop_INCLUDE);
html_count++;
/*
* inc->contents == NULL means that information already
* written to file.
*/
strbuf_close(inc->contents);
inc->contents = NULL;
}
if (!inc->ref_count)
continue;
if (inc->ref_count == 1) {
SPLIT ptable;
char buf[1024];
if (split(strbuf_value(inc->ref_contents), 4, &ptable) < 4) {
recover(&ptable);
die("too small number of parts in makefileindex().");
}
snprintf(buf, sizeof(buf), "%s %s", ptable.part[PART_LNO].start, decode_path(ptable.part[PART_PATH].start));
recover(&ptable);
strbuf_reset(inc->ref_contents);
strbuf_puts(inc->ref_contents, buf);
} else {
char path[MAXPATHLEN];
snprintf(path, sizeof(path), "%s/%s/%d.%s", distpath, INCREFS, no, HTML);
fileop_INCLUDE = open_output_file(path, 0);
INCLUDE = get_descripter(fileop_INCLUDE);
fputs_nl(gen_page_begin(last, SUBDIR), INCLUDE);
fputs_nl(body_begin, INCLUDE);
fputs_nl(gen_list_begin(), INCLUDE);
{
const char *line = strbuf_value(inc->ref_contents);
int count = inc->ref_count;
for (; count; line += strlen(line) + 1, count--)
fputs_nl(gen_list_body(upperdir(SRCS), line, NULL), INCLUDE);
}
fputs_nl(gen_list_end(), INCLUDE);
fputs_nl(body_end, INCLUDE);
fputs_nl(gen_page_end(), INCLUDE);
close_file(fileop_INCLUDE);
html_count++;
/*
* inc->ref_contents == NULL means that information already
* written to file.
*/
strbuf_close(inc->ref_contents);
inc->ref_contents = NULL;
}
}
strbuf_close(input);
}
int
main(int argc, char **argv)
{
const char *av = NULL;
int db;
int optchar;
int option_index = 0;
int status = 0;
/*
* get path of following directories.
* o current directory
* o root of source tree
* o dbpath directory
*
* if GTAGS not found, exit with an error message.
*/
status = setupdbpath(0);
if (status == 0) {
cwd = get_cwd();
root = get_root();
dbpath = get_dbpath();
}
/*
* Setup GTAGSCONF and GTAGSLABEL environment variable
* according to the --gtagsconf and --gtagslabel option.
*/
preparse_options(argc, argv);
/*
* Open configuration file.
*/
openconf(root);
setenv_from_config();
logging_arguments(argc, argv);
while ((optchar = getopt_long(argc, argv, "acde:EifFgGIlL:MnoOpPqrsS:tTuvVx", long_options, &option_index)) != EOF) {
switch (optchar) {
case 0:
break;
case 'a':
aflag++;
break;
case 'c':
cflag++;
setcom(optchar);
break;
case 'd':
dflag++;
break;
case 'e':
av = optarg;
break;
case 'E':
Gflag = 0;
break;
case 'f':
fflag++;
xflag++;
setcom(optchar);
break;
case 'F':
Tflag = 0;
break;
case 'g':
gflag++;
setcom(optchar);
break;
case 'G':
Gflag++;
break;
case 'i':
iflag++;
break;
case 'I':
Iflag++;
setcom(optchar);
break;
case 'l':
Sflag++;
scope = ".";
break;
case 'L':
file_list = optarg;
break;
case 'M':
Mflag++;
iflag = 0;
break;
case 'n':
nflag++;
if (optarg) {
if (!strcmp(optarg, "sort"))
nofilter |= SORT_FILTER;
else if (!strcmp(optarg, "path"))
nofilter |= PATH_FILTER;
} else {
nofilter = BOTH_FILTER;
}
break;
case 'o':
oflag++;
break;
case 'O':
Oflag++;
break;
case 'p':
pflag++;
setcom(optchar);
break;
case 'P':
Pflag++;
setcom(optchar);
break;
case 'q':
qflag++;
setquiet();
break;
case 'r':
rflag++;
break;
case 's':
sflag++;
break;
case 'S':
Sflag++;
scope = optarg;
break;
case 't':
tflag++;
break;
case 'T':
Tflag++;
break;
case 'u':
uflag++;
setcom(optchar);
break;
case 'v':
vflag++;
setverbose();
break;
case 'V':
Vflag++;
break;
case 'x':
xflag++;
break;
case OPT_USE_COLOR:
if (optarg) {
if (!strcmp(optarg, "never"))
use_color = 0;
else if (!strcmp(optarg, "always"))
use_color = 1;
else if (!strcmp(optarg, "auto"))
use_color = 2;
else
die_with_code(2, "unknown color type.");
} else {
use_color = 2;
}
break;
case OPT_ENCODE_PATH:
encode_chars = optarg;
break;
case OPT_FROM_HERE:
{
char *p = optarg;
const char *usage = "usage: global --from-here=lineno:path.";
context_lineno = p;
while (*p && isdigit(*p))
p++;
if (*p != ':')
die_with_code(2, usage);
*p++ = '\0';
if (!*p)
die_with_code(2, usage);
context_file = p;
}
break;
case OPT_GTAGSCONF:
case OPT_GTAGSLABEL:
/* These options are already parsed in preparse_options() */
break;
case OPT_MATCH_PART:
if (!strcmp(optarg, "first"))
match_part = MATCH_PART_FIRST;
else if (!strcmp(optarg, "last"))
match_part = MATCH_PART_LAST;
else if (!strcmp(optarg, "all"))
match_part = MATCH_PART_ALL;
else
die_with_code(2, "unknown part type for the --match-part option.");
break;
case OPT_PATH_CONVERT:
do_path = 1;
if (!strcmp("absolute", optarg))
convert_type = PATH_ABSOLUTE;
else if (!strcmp("relative", optarg))
convert_type = PATH_RELATIVE;
else if (!strcmp("through", optarg))
convert_type = PATH_THROUGH;
else
die("Unknown path type.");
break;
case OPT_PATH_STYLE:
path_style = optarg;
break;
case OPT_RESULT:
if (!strcmp(optarg, "ctags-x"))
format = FORMAT_CTAGS_X;
else if (!strcmp(optarg, "ctags-xid"))
format = FORMAT_CTAGS_XID;
else if (!strcmp(optarg, "ctags"))
format = FORMAT_CTAGS;
else if (!strcmp(optarg, "ctags-mod"))
format = FORMAT_CTAGS_MOD;
else if (!strcmp(optarg, "path"))
format = FORMAT_PATH;
else if (!strcmp(optarg, "grep"))
format = FORMAT_GREP;
else if (!strcmp(optarg, "cscope"))
format = FORMAT_CSCOPE;
else
die_with_code(2, "unknown format type for the --result option.");
break;
case OPT_SINGLE_UPDATE:
single_update = optarg;
break;
default:
usage();
break;
}
}
if (qflag)
vflag = 0;
if (show_version)
version(av, vflag);
if (show_help)
help();
if (dbpath == NULL)
die_with_code(-status, gtags_dbpath_error);
/*
* decide format.
* The --result option is given to priority more than the -t and -x option.
*/
if (format == 0) {
if (tflag) { /* ctags format */
format = FORMAT_CTAGS;
} else if (xflag) { /* print details */
format = FORMAT_CTAGS_X;
} else { /* print just a file name */
format = FORMAT_PATH;
}
}
/*
* GTAGSBLANKENCODE will be used in less(1).
*/
switch (format) {
case FORMAT_CTAGS_X:
case FORMAT_CTAGS_XID:
if (encode_chars == NULL && getenv("GTAGSBLANKENCODE"))
encode_chars = " \t";
break;
}
if (encode_chars) {
if (strlen(encode_chars) > 255)
die("too many encode chars.");
if (strchr(encode_chars, '/') || strchr(encode_chars, '.'))
warning("cannot encode '/' and '.' in the path. Ignored.");
set_encode_chars((unsigned char *)encode_chars);
}
if (getenv("GTAGSTHROUGH"))
Tflag++;
if (use_color) {
#if defined(_WIN32) && !defined(__CYGWIN__)
if (!(getenv("ANSICON") || LoadLibrary("ANSI32.dll")) && use_color == 2)
use_color = 0;
#endif
if (use_color == 2 && !isatty(1))
use_color = 0;
if (Vflag)
use_color = 0;
}
argc -= optind;
argv += optind;
/*
* Path filter
*/
if (do_path) {
/*
* This code is needed for globash.rc.
* This code extract path name from tag line and
* replace it with the relative or the absolute path name.
*
* By default, if we are in src/ directory, the output
* should be converted like follows:
*
* main 10 ./src/main.c main(argc, argv)\n
* main 22 ./libc/func.c main(argc, argv)\n
* v
* main 10 main.c main(argc, argv)\n
* main 22 ../libc/func.c main(argc, argv)\n
*
* Similarly, the --path-convert=absolute option specified, then
* v
* main 10 /prj/xxx/src/main.c main(argc, argv)\n
* main 22 /prj/xxx/libc/func.c main(argc, argv)\n
*/
STRBUF *ib = strbuf_open(MAXBUFLEN);
CONVERT *cv;
char *ctags_x;
if (argc < 3)
die("global --path-convert: 3 arguments needed.");
cv = convert_open(convert_type, FORMAT_CTAGS_X, argv[0], argv[1], argv[2], stdout, NOTAGS);
while ((ctags_x = strbuf_fgets(ib, stdin, STRBUF_NOCRLF)) != NULL)
convert_put(cv, ctags_x);
convert_close(cv);
strbuf_close(ib);
exit(0);
}
/*
* At first, we pickup pattern from -e option. If it is not found
* then use argument which is not option.
*/
if (!av) {
av = *argv;
/*
* global -g pattern [files ...]
* av argv
*/
if (gflag && av)
argv++;
}
if (single_update) {
if (command == 0) {
uflag++;
command = 'u';
} else if (command != 'u') {
; /* ignored */
}
}
/*
* only -c, -u, -P and -p allows no argument.
*/
if (!av) {
switch (command) {
case 'c':
case 'u':
case 'p':
case 'P':
break;
case 'f':
if (file_list)
break;
default:
usage();
break;
}
}
/*
* -u and -p cannot have any arguments.
*/
if (av) {
switch (command) {
case 'u':
case 'p':
usage();
default:
break;
}
}
if (tflag)
xflag = 0;
if (nflag > 1)
nosource = 1; /* to keep compatibility */
if (print0)
set_print0();
if (cflag && match_part == 0)
match_part = MATCH_PART_ALL;
/*
* remove leading blanks.
*/
if (!Iflag && !gflag && av)
for (; *av == ' ' || *av == '\t'; av++)
;
if (cflag && !Pflag && av && isregex(av))
die_with_code(2, "only name char is allowed with -c option.");
/*
* print dbpath or rootdir.
*/
if (pflag) {
fprintf(stdout, "%s\n", (rflag) ? root : dbpath);
exit(0);
}
/*
* incremental update of tag files.
*/
if (uflag) {
STRBUF *sb = strbuf_open(0);
char *gtags_path = usable("gtags");
if (!gtags_path)
die("gtags command not found.");
if (chdir(root) < 0)
die("cannot change directory to '%s'.", root);
#if defined(_WIN32) && !defined(__CYGWIN__)
/*
* Get around CMD.EXE's weird quoting rules by sticking another
* perceived whitespace in front (also works with Take Command).
*/
strbuf_putc(sb, ';');
#endif
strbuf_puts(sb, quote_shell(gtags_path));
strbuf_puts(sb, " -i");
if (vflag)
strbuf_puts(sb, " -v");
if (single_update) {
if (!isabspath(single_update)) {
static char regular_path_name[MAXPATHLEN];
if (rel2abs(single_update, cwd, regular_path_name, sizeof(regular_path_name)) == NULL)
die("rel2abs failed.");
single_update = regular_path_name;
}
strbuf_puts(sb, " --single-update ");
strbuf_puts(sb, quote_shell(single_update));
}
strbuf_putc(sb, ' ');
strbuf_puts(sb, quote_shell(dbpath));
if (system(strbuf_value(sb)))
exit(1);
strbuf_close(sb);
exit(0);
}
/*
* decide tag type.
*/
if (context_file) {
if (isregex(av))
die_with_code(2, "regular expression is not allowed with the --from-here option.");
db = decide_tag_by_context(av, context_file, atoi(context_lineno));
} else {
if (dflag)
db = GTAGS;
else if (rflag && sflag)
db = GRTAGS + GSYMS;
else
db = (rflag) ? GRTAGS : ((sflag) ? GSYMS : GTAGS);
}
/*
* complete function name
*/
if (cflag) {
if (Iflag)
completion_idutils(dbpath, root, av);
else if (Pflag)
completion_path(dbpath, av);
else
completion(dbpath, root, av, db);
exit(0);
}
/*
* make local prefix.
* local prefix must starts with './' and ends with '/'.
*/
if (Sflag) {
STRBUF *sb = strbuf_open(0);
static char buf[MAXPATHLEN];
const char *path = scope;
/*
* normalize the path of scope directory.
*/
if (!test("d", path))
die("'%s' not found or not a directory.", scope);
if (!isabspath(path))
path = makepath(cwd, path, NULL);
if (realpath(path, buf) == NULL)
die("cannot get real path of '%s'.", scope);
if (!in_the_project(buf))
die("'%s' is out of the source project.", scope);
scope = buf;
/*
* make local prefix.
*/
strbuf_putc(sb, '.');
if (strcmp(root, scope) != 0) {
const char *p = scope + strlen(root);
if (*p != '/')
strbuf_putc(sb, '/');
strbuf_puts(sb, p);
}
strbuf_putc(sb, '/');
localprefix = check_strdup(strbuf_value(sb));
strbuf_close(sb);
#ifdef DEBUG
fprintf(stderr, "root=%s\n", root);
fprintf(stderr, "cwd=%s\n", cwd);
fprintf(stderr, "localprefix=%s\n", localprefix);
#endif
}
/*
* convert the file-list path into an absolute path.
*/
if (file_list && strcmp(file_list, "-") && !isabspath(file_list)) {
static char buf[MAXPATHLEN];
if (realpath(file_list, buf) == NULL)
die("'%s' not found.", file_list);
file_list = buf;
}
/*
* decide path conversion type.
*/
if (nofilter & PATH_FILTER)
type = PATH_THROUGH;
else if (aflag)
type = PATH_ABSOLUTE;
else
type = PATH_RELATIVE;
if (path_style) {
if (!strcmp(path_style, "relative"))
type = PATH_RELATIVE;
else if (!strcmp(path_style, "absolute"))
type = PATH_ABSOLUTE;
else if (!strcmp(path_style, "through"))
type = PATH_THROUGH;
else if (!strcmp(path_style, "shorter"))
type = PATH_SHORTER;
else if (!strcmp(path_style, "abslib")) {
type = PATH_RELATIVE;
abslib++;
} else
die("invalid path style.");
}
/*
* exec lid(idutils).
*/
if (Iflag) {
chdir(root);
idutils(av, dbpath);
}
/*
* search pattern (regular expression).
*/
else if (gflag) {
chdir(root);
grep(av, argv, dbpath);
}
/*
* locate paths including the pattern.
*/
else if (Pflag) {
chdir(root);
pathlist(av, dbpath);
}
/*
* parse source files.
*/
else if (fflag) {
chdir(root);
parsefile(argv, cwd, root, dbpath, db);
}
/*
* tag search.
*/
else {
tagsearch(av, cwd, root, dbpath, db);
}
return 0;
}
/**
* idutils: @NAME{lid}(@NAME{idutils}) pattern
*
* @param[in] pattern @NAME{POSIX} regular expression
* @param[in] dbpath @FILE{GTAGS} directory
*/
void
idutils(const char *pattern, const char *dbpath)
{
FILE *ip;
CONVERT *cv;
STRBUF *ib = strbuf_open(0);
char encoded_pattern[IDENTLEN];
char path[MAXPATHLEN];
const char *lid;
int linenum, count;
char *p, *q, *grep;
lid = usable("lid");
if (!lid)
die("lid(idutils) not found.");
if (!test("f", makepath(dbpath, "ID", NULL)))
die("ID file not found.");
/*
* convert spaces into %FF format.
*/
encode(encoded_pattern, sizeof(encoded_pattern), pattern);
/*
* make lid command line.
* Invoke lid with the --result=grep option to generate grep format.
*/
#if _WIN32 || __DJGPP__
strbuf_puts(ib, lid);
#else
strbuf_sprintf(ib, "PWD=%s %s", quote_shell(root), lid);
#endif
strbuf_sprintf(ib, " --file=%s/ID", quote_shell(dbpath));
strbuf_puts(ib, " --separator=newline");
if (format == FORMAT_PATH)
strbuf_puts(ib, " --result=filenames --key=none");
else
strbuf_puts(ib, " --result=grep");
if (iflag)
strbuf_puts(ib, " --ignore-case");
if (isregex(pattern))
strbuf_puts(ib, " --regexp");
strbuf_putc(ib, ' ');
strbuf_puts(ib, quote_shell(pattern));
if (debug)
fprintf(stderr, "idutils: %s\n", strbuf_value(ib));
if (!(ip = popen(strbuf_value(ib), "r")))
die("cannot execute '%s'.", strbuf_value(ib));
cv = convert_open(type, format, root, cwd, dbpath, stdout, NOTAGS);
cv->tag_for_display = encoded_pattern;
count = 0;
strcpy(path, "./");
while ((grep = strbuf_fgets(ib, ip, STRBUF_NOCRLF)) != NULL) {
q = path + 2;
/* extract path name */
if (*grep == '/')
die("The path in the output of lid is assumed relative.\n'%s'", grep);
p = grep;
while (*p && *p != ':')
*q++ = *p++;
*q = '\0';
if ((xflag || tflag) && !*p)
die("invalid lid(idutils) output format(1). '%s'", grep);
p++;
if (Sflag) {
if (!locatestring(path, localprefix, MATCH_AT_FIRST))
continue;
}
count++;
switch (format) {
case FORMAT_PATH:
convert_put_path(cv, NULL, path);
break;
default:
/* extract line number */
while (*p && isspace(*p))
p++;
linenum = 0;
for (linenum = 0; *p && isdigit(*p); linenum = linenum * 10 + (*p++ - '0'))
;
if (*p != ':')
die("invalid lid(idutils) output format(2). '%s'", grep);
if (linenum <= 0)
die("invalid lid(idutils) output format(3). '%s'", grep);
p++;
/*
* print out.
*/
convert_put_using(cv, pattern, path, linenum, p, NULL);
break;
}
}
if (pclose(ip) != 0)
die("terminated abnormally (errno = %d).", errno);
convert_close(cv);
strbuf_close(ib);
if (vflag) {
print_count(count);
fprintf(stderr, " (using idutils index in '%s').\n", dbpath);
}
}
