/*
* read-ahead strategy
* on second block, read RAGAP blocks,
* thereafter, read RAGAP ahead of current pos
*/
Off
dbufread(Iobuf *p, Dentry *d, Off a, Off ra, int uid)
{
Off addr;
if(a == 0)
return 1;
if(a == 1 && ra == 1) {
while(ra < a+RAGAP) {
ra++;
addr = rel2abs(p, d, ra, 0, 0, uid);
if(!addr)
return 0;
preread(p->dev, addr);
}
return ra+1;
}
if(ra == a+RAGAP) {
addr = rel2abs(p, d, ra, 0, 0, uid);
if(!addr)
return 0;
preread(p->dev, addr);
return ra+1;
}
return ra;
}
/*
* normalize: normalize path name
*
* i) path path name
* i) root root of project (must be end with a '/')
* i) cwd current directory
* o) result normalized path name
* i) size size of the result
* r) ==NULL: error
* !=NULL: result
*/
char *
normalize(const char *path, const char *root, const char *cwd, char *result, const int size)
{
char *p, abs[MAXPATHLEN];
if (normalize_pathname(path, result, size) == NULL)
goto toolong;
if (isabspath(path)) {
if (strlen(result) > MAXPATHLEN)
goto toolong;
strcpy(abs, result);
} else {
if (rel2abs(result, cwd, abs, sizeof(abs)) == NULL)
goto toolong;
}
/*
* Remove the root part of path and insert './'.
* rootdir /a/b/
* path /a/b/c/d.c -> c/d.c -> ./c/d.c
*/
p = locatestring(abs, root, MATCH_AT_FIRST);
if (p == NULL)
return NULL;
strlimcpy(result, "./", size);
strlimcpy(result + 2, p, size - 2);
return result;
toolong:
die("path name is too long.");
}
static int
getdatablock(Fs *fs, Dentry *d, int32_t a)
{
int32_t addr;
if((addr = rel2abs(fs, d, a)) == 0)
return -1;
return getblocktag(fs, addr, Tfile, QPNONE);
}
Iobuf*
dnodebuf(Iobuf *p, Dentry *d, Off a, int tag, int uid)
{
Off addr;
addr = rel2abs(p, d, a, tag, 0, uid);
if(addr)
return getbuf(p->dev, addr, Brd);
return 0;
}
Iobuf*
dnodebuf(Iobuf *p, Dentry *d, long a, int tag)
{
long addr;
addr = rel2abs(p, d, a, tag, 0);
if(addr)
return getbuf(p->dev, addr, Bread);
return 0;
}
static int
readdentry(Fs *fs, Dentry *d, int n, Dentry *e)
{
int32_t addr, m;
m = n/fs->kfs.DIRPERBUF;
if((addr = rel2abs(fs, d, m)) <= 0)
return addr;
if(getblocktag(fs, addr, Tdir, d->qid.path) < 0)
return -1;
*e = *(Dentry*)(block+(n%fs->kfs.DIRPERBUF)*sizeof(Dentry));
return 1;
}
/*
* same as dnodebuf but it calls putbuf(p)
* to reduce interference.
*/
Iobuf*
dnodebuf1(Iobuf *p, Dentry *d, Off a, int tag, int uid)
{
Off addr;
Device *dev;
dev = p->dev;
addr = rel2abs(p, d, a, tag, 1, uid);
if(addr)
return getbuf(dev, addr, Brd);
return 0;
}
/*
* same as dnodebuf but it calls putpuf(p)
* to reduce interference.
*/
Iobuf*
dnodebuf1(Iobuf *p, Dentry *d, long a, int tag)
{
long addr;
Device dev;
dev = p->dev;
addr = rel2abs(p, d, a, tag, 1);
if(addr)
return getbuf(dev, addr, Bread);
return 0;
}
struct string_t *arb_rel2abs(char *path, char *base)
{
size_t size = 100;
char *buffer = (char*)malloc(size);
if(!buffer)
return NULL;
if(rel2abs(path, base, buffer, size) == buffer)
{
struct string_t *string = malloc(sizeof(struct string_t));
string->text = buffer;
return string;
}
while(1)
{
size *= 2;
char *new_buffer = (char*)realloc(buffer, size);
if(!new_buffer)
{
free(buffer);
return NULL;
}
buffer = new_buffer;
if(rel2abs(path, base, buffer, size) == buffer)
{
struct string_t *string = malloc(sizeof(struct string_t));
string->text = buffer;
return string;
}
if(errno != ERANGE)
return NULL;
}
}
void open_dialog(Vector2i pos, color_t color_index)
{
size_t height = (color_index == CIDX_DEFAULT) ? left_pos.y+2
: (color_index == CIDX_NEWCOLOR) ? delete_pos.y
: DIALOG_WINDOW_HEIGHT;
cidx = color_index;
if (pos.x + DIALOG_WINDOW_WIDTH >= MENU_WINDOW_WIDTH) {
pos.x += DIALOG_WINDOW_WIDTH - MENU_WINDOW_WIDTH - 2;
}
dialog_pos = rel2abs(pos, menu_pos);
dialogw = newwin(height, DIALOG_WINDOW_WIDTH, dialog_pos.y, dialog_pos.x);
keypad(dialogw, TRUE);
nodelay(dialogw, TRUE);
}
/**
* @details
* normalize: normalize path name
*
* @param[in] path path name
* @param[in] root root of project (@STRONG{must be end with a '/'})
* @param[in] cwd current directory
* @param[out] result normalized path name
* @param[in] size size of the @a result
* @return ==NULL: error <br>
* !=NULL: @a result
*
* @note Calls die() if the result path name is too long (#MAXPATHLEN).
*/
char *
normalize(const char *path, const char *root, const char *cwd, char *result, const int size)
{
char *p, abs[MAXPATHLEN];
if (normalize_pathname(path, result, size) == NULL)
goto toolong;
if (isabspath(path)) {
if (strlen(result) > MAXPATHLEN)
goto toolong;
strcpy(abs, result);
} else {
if (rel2abs(result, cwd, abs, sizeof(abs)) == NULL)
goto toolong;
}
/*
* Remove the root part of path and insert './'.
* rootdir /a/b/
* path /a/b/c/d.c -> c/d.c -> ./c/d.c
*/
p = locatestring(abs, root, MATCH_AT_FIRST);
if (p == NULL) {
p = locatestring(root, abs, MATCH_AT_FIRST);
/*
* abs == /usr/src should be considered to be equal to root == /usr/src/.
*/
if (p && !strcmp(p, "/"))
result[0] = '\0';
else
return NULL;
}
strlimcpy(result, "./", size);
strlimcpy(result + 2, p, size - 2);
return result;
toolong:
die("path name is too long.");
}
int
main(int argc, char **argv)
{
char c;
const char *p, *browser = NULL, *definition = NULL;
STRBUF *arg = strbuf_open(0);
STRBUF *URL = strbuf_open(0);
while (--argc > 0 && ((c = (++argv)[0][0]) == '-' || c == '+')) {
if (argv[0][1] == '-') {
if (!strcmp("--help", argv[0]))
help();
else if (!strcmp("--version", argv[0]))
show_version++;
else if (!strcmp("--quiet", argv[0])) {
qflag++;
vflag = 0;
} else if (!strcmp("--verbose", argv[0])) {
vflag++;
qflag = 0;
} else
usage();
continue;
}
if (c == '+') {
linenumber = atoi(argv[0] + 1);
continue;
}
p = argv[0] + 1;
switch (*p) {
case 'b':
browser = argv[1];
--argc; ++argv;
break;
case 'd':
definition = argv[1];
--argc; ++argv;
break;
case 'p':
pflag++;
break;
case 'q':
qflag++;
setquiet();
break;
case 'v':
vflag++;
setverbose();
break;
default:
usage();
}
}
if (show_version)
version(progname, vflag);
/*
* Load aliases from .gozillarc.
*/
load_alias();
/*
* Decide browser.
*/
if (!browser && getenv("BROWSER"))
browser = getenv("BROWSER");
if (!browser && alias("BROWSER"))
browser = alias("BROWSER");
/*
* In DOS & Windows, let the file: association handle it.
*/
#if !(_WIN32 || __DJGPP__)
if (!browser)
browser = "mozilla";
#endif
/*
* Replace alias name.
*/
if (definition == NULL) {
if (argc == 0)
usage();
strbuf_puts(arg, argv[0]);
/*
* Replace with alias value.
*/
if ((p = alias(strbuf_value(arg))) != NULL) {
strbuf_reset(arg);
strbuf_puts(arg, p);
}
}
/*
* Get URL.
*/
{
char *argument = strbuf_value(arg);
/*
* Protocol (xxx://...)
*/
if (!definition && isprotocol(argument)) {
strbuf_puts(URL, argument);
} else {
const char *HTMLdir = NULL;
if (setupdbpath(0) == 0) {
cwd = get_cwd();
root = get_root();
dbpath = get_dbpath();
HTMLdir = locate_HTMLdir();
}
/*
* Make a URL of hypertext from the argument.
*/
if (HTMLdir != NULL) {
if (definition)
getdefinitionURL(definition, HTMLdir, URL);
else
getURL(argument, HTMLdir, URL);
}
/*
* Make a file URL.
*/
else if (test("fr", argument) || test("dr", argument)) {
char cwd[MAXPATHLEN];
char result[MAXPATHLEN];
if (getcwd(cwd, sizeof(cwd)) == NULL)
die("cannot get current directory.");
if (rel2abs(argument, cwd, result, sizeof(result)) == NULL)
die("rel2abs failed.");
strbuf_puts(URL, "file://");
strbuf_puts(URL, result);
} else {
die_with_code(1, "file '%s' not found.", argument);
}
}
}
if (pflag) {
fprintf(stdout, "%s\n", strbuf_value(URL));
if (vflag)
fprintf(stdout, "using browser '%s'.\n", browser);
exit(0);
}
/*
* Show URL's page.
*/
show_page_by_url(browser, strbuf_value(URL));
exit(0);
}
int
fffiles( char *name, char **buf )
{
char pathbuf[ NFILEN ], tmpnam[ NFILEN ] ;
char pathbufs[ NFILEN ], ff_namee[ NFILEN ] ;
char *cp, *dirpart, *nampart, *buffer ;
int n, len, size, dirpartlen, nampartlen, l ;
HANDLE hFind ;
WIN32_FIND_DATA find ;
TCHAR findPath[ MAX_PATH ], unicode[ MAX_PATH ] ;
#ifdef HOMEDIR
char *home;
int homelen;
#endif
#ifndef _WIN32_WCE
if (name[1] == ':' && name[2] == '\0') {
return -1;
}
#endif
#ifdef HOMEDIR
if (name[0] == '~' && (name[1]=='/' || name[1]=='\\') &&
(home = getenv("HOME"))) {
homelen = strlen(home)-1;
strncpy(pathbuf, home, sizeof(pathbuf));
pathbuf[NFILEN-1] = '\0';
strncat(pathbuf, &name[1], sizeof(pathbuf)-strlen(pathbuf)-1);
} else {
home = NULL;
homelen = 0;
strncpy(pathbuf, name, sizeof(pathbuf));
pathbuf[NFILEN-1] = '\0';
}
#else
strncpy(pathbuf, name, sizeof(pathbuf));
pathbuf[NFILEN-1] = '\0';
#endif
dirpart = NULL ;
for ( cp = pathbuf ; *cp ; cp ++ ) {
if ( *cp == '/' ) {
*cp = '\\' ;
dirpart = cp ;
} else if ( *cp == '\\' ) {
dirpart = cp ;
} else if ( dirpart == NULL && *cp == ':' ) {
dirpart = cp ;
}
}
if ( dirpart ) {
*++dirpart = '\0' ;
dirpartlen = dirpart - pathbuf ;
} else {
strcpy( pathbuf, ".\\" ) ; /* 90.05.30 by A.Shirahashi */
dirpartlen = 0 ;
}
#ifdef HOMEDIR
nampart = name + dirpartlen - homelen;
#else
nampart = name + dirpartlen;
#endif
nampartlen = strlen( nampart ) ;
buffer = malloc( MALLOC_STEP ) ;
if ( buffer == NULL ) {
return -1 ;
}
size = MALLOC_STEP ;
len = 0 ;
n = 0 ;
(VOID) strcat( pathbuf, "*.*" ) ;
strcpy( pathbufs, pathbuf ) ;
#ifdef KANJI
bufetos( pathbufs, strlen(pathbufs) + 1 ) ;
#endif
/* Convert the search path to UNICODE and get absolute path */
sjis2unicode( (LPBYTE) pathbufs, unicode, sizeof unicode ) ;
rel2abs( findPath, g_szCurDir, unicode ) ;
/* Find first file */
hFind = FindFirstFile( findPath, &find ) ;
if ( hFind == INVALID_HANDLE_VALUE ) {
*buf = buffer ;
buffer[0] = '\0' ;
return 0 ;
}
do {
if ( !lstrcmp( find.cFileName, TEXT(".") ) ) {
continue ;
} else if ( !lstrcmp( find.cFileName, TEXT("..") ) ) {
continue ;
}
unicode2sjis( find.cFileName, (LPBYTE) ff_namee, sizeof ff_namee ) ;
#ifdef KANJI
bufstoe( ff_namee, strlen(ff_namee) + 1 ) ;
#endif
if ( strnicmp( nampart, ff_namee, nampartlen ) ) {
continue ; /* no-case-sensitive comparison */
}
strncpy( tmpnam, pathbuf, dirpartlen ) ;
strcpy( tmpnam + dirpartlen, ff_namee ) ;
if ( find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) {
strcat( tmpnam, "\\" ) ;
}
l = strlen(tmpnam) + 1 ;
/* 90.05.30 by A.Shirahashi */
if ( l > 5 && (stricmp( &tmpnam[l-5], ".OBJ" ) == 0 ||
stricmp( &tmpnam[l-5], ".EXE" ) == 0 ||
stricmp( &tmpnam[l-5], ".COM" ) == 0 ) ) {
/* 90.05.30 by A.Shirahashi */
continue ;
}
if ( l + len >= size ) {
/* make room for double null */
if ( ( buffer = realloc( buffer, size += MALLOC_STEP ) ) == NULL ) {
FindClose(hFind);
return -1 ;
}
}
/* 90.06.08 by A.Shirahashi: to */
/* 00.12.28 by amura.. contributed by sahf */
#ifdef HOMEDIR
if(home) {
strcpy(buffer+len, "~");
strcat(buffer+len, tmpnam+homelen+1);
l -= homelen;
} else
#endif
strcpy( buffer + len, tmpnam ) ;
len += l ;
n ++ ;
} while ( FindNextFile( hFind, &find ) ) ;
FindClose(hFind);
*buf = buffer ;
buffer[len] = '\0' ;
return n ;
}
// create a path that is relative to the given base directory
// path and base will first be resolved against cwd to make them absolute
std::string abs2rel(const std::string& uri, const std::string& base, const std::string& cwd)
{
std::string absolute_uri = rel2abs(uri, cwd);
std::string absolute_base = rel2abs(base, cwd);
size_t proto = 0;
// check if we have a protocol
if (uri[proto] && Prelexer::is_alpha(uri[proto])) {
// skip over all alphanumeric characters
while (uri[proto] && Prelexer::is_alnum(uri[proto++])) {}
// then skip over the mandatory colon
if (proto && uri[proto] == ':') ++ proto;
}
// distinguish between windows absolute paths and valid protocols
// we assume that protocols must at least have two chars to be valid
if (proto && uri[proto++] == '/' && proto > 3) return uri;
#ifdef _WIN32
// absolute link must have a drive letter, and we know that we
// can only create relative links if both are on the same drive
if (absolute_base[0] != absolute_uri[0]) return absolute_uri;
#endif
std::string stripped_uri = "";
std::string stripped_base = "";
size_t index = 0;
size_t minSize = std::min(absolute_uri.size(), absolute_base.size());
for (size_t i = 0; i < minSize; ++i) {
#ifdef FS_CASE_SENSITIVE
if (absolute_uri[i] != absolute_base[i]) break;
#else
// compare the charactes in a case insensitive manner
// windows fs is only case insensitive in ascii ranges
if (tolower(absolute_uri[i]) != tolower(absolute_base[i])) break;
#endif
if (absolute_uri[i] == '/') index = i + 1;
}
for (size_t i = index; i < absolute_uri.size(); ++i) {
stripped_uri += absolute_uri[i];
}
for (size_t i = index; i < absolute_base.size(); ++i) {
stripped_base += absolute_base[i];
}
size_t left = 0;
size_t directories = 0;
for (size_t right = 0; right < stripped_base.size(); ++right) {
if (stripped_base[right] == '/') {
if (stripped_base.substr(left, 2) != "..") {
++directories;
}
else if (directories > 1) {
--directories;
}
else {
directories = 0;
}
left = right + 1;
}
}
std::string result = "";
for (size_t i = 0; i < directories; ++i) {
result += "../";
}
result += stripped_uri;
return result;
}
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;
}
