tb_bool_t tb_directory_copy(tb_char_t const* path, tb_char_t const* dest)
{
// the absolute path
tb_char_t full0[TB_PATH_MAXN];
path = tb_path_absolute(path, full0, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// the dest path
tb_char_t full1[TB_PATH_MAXN];
dest = tb_path_absolute(dest, full1, TB_PATH_MAXN);
tb_assert_and_check_return_val(dest, tb_false);
// walk copy
tb_value_t tuple[3];
tuple[0].cstr = dest;
tuple[1].ul = tb_strlen(path);
tuple[2].b = tb_true;
tb_directory_walk(path, -1, tb_true, tb_directory_walk_copy, tuple);
// ok?
tb_bool_t ok = tuple[2].b;
// copy empty directory?
if (ok && !tb_file_info(dest, tb_null))
return tb_directory_create(dest);
// ok?
return ok;
}
tb_bool_t tb_file_link(tb_char_t const* path, tb_char_t const* dest)
{
// check
tb_assert_and_check_return_val(path && dest, tb_false);
// the full path
tb_char_t full0[TB_PATH_MAXN];
path = tb_path_absolute(path, full0, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// the dest path
tb_char_t full1[TB_PATH_MAXN];
dest = tb_path_absolute(dest, full1, TB_PATH_MAXN);
tb_assert_and_check_return_val(dest, tb_false);
// symlink
return !symlink(path, dest)? tb_true : tb_false;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_file_ref_t tb_file_init(tb_char_t const* path, tb_size_t mode)
{
// check
tb_assert_and_check_return_val(path, tb_null);
// the full path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_null);
// flags
tb_size_t flags = 0;
if (mode & TB_FILE_MODE_RO) flags |= O_RDONLY;
else if (mode & TB_FILE_MODE_WO) flags |= O_WRONLY;
else if (mode & TB_FILE_MODE_RW) flags |= O_RDWR;
if (mode & TB_FILE_MODE_CREAT) flags |= O_CREAT;
if (mode & TB_FILE_MODE_APPEND) flags |= O_APPEND;
if (mode & TB_FILE_MODE_TRUNC) flags |= O_TRUNC;
// dma mode, no cache
#ifdef TB_CONFIG_OS_LINUX
if (mode & TB_FILE_MODE_DIRECT) flags |= O_DIRECT;
#endif
// for native aio aicp
#if defined(TB_CONFIG_ASIO_HAVE_NAIO)
if (mode & TB_FILE_MODE_ASIO) flags |= O_DIRECT;
#endif
// noblock
flags |= O_NONBLOCK;
// modes
tb_size_t modes = 0;
if (mode & TB_FILE_MODE_CREAT)
{
// 0644: -rw-r--r--
modes = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
}
// open it, @note need absolute path
tb_long_t fd = open(path, flags, modes);
if (fd < 0 && (mode & TB_FILE_MODE_CREAT))
{
// open it again after creating the file directory
tb_char_t dir[TB_PATH_MAXN];
if (tb_directory_create(tb_path_directory(path, dir, sizeof(dir))))
fd = open(path, flags, modes);
}
// trace
tb_trace_d("open: %p", tb_fd2file(fd));
// ok?
return tb_fd2file(fd);
}
tb_bool_t tb_directory_current_set(tb_char_t const* path)
{
// the absolute path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// change to the directory
return !chdir(path);
}
static tb_bool_t xm_machine_main_get_program_directory(xm_machine_impl_t* impl, tb_char_t* path, tb_size_t maxn)
{
// check
tb_assert_and_check_return_val(impl && path && maxn, tb_false);
// done
tb_bool_t ok = tb_false;
do
{
#ifdef TB_CONFIG_OS_WINDOWS
// get the program directory
tb_size_t size = GetModuleFileName(tb_null, path, maxn);
tb_assert_and_check_break(size < maxn);
// end
path[size] = '\0';
// get the directory
while (size-- > 0)
{
if (path[size] == '\\')
{
path[size] = '\0';
break;
}
}
#else
// get it from the environment variable
tb_char_t data[TB_PATH_MAXN] = {0};
if (!tb_environment_first("XMAKE_PROGRAM_DIR", data, sizeof(data)))
{
// error
tb_printf("error: please set XMAKE_PROGRAM_DIR first!\n");
break;
}
// get the full path
if (!tb_path_absolute(data, path, maxn)) break;
#endif
// trace
tb_trace_d("program: %s", path);
// save the directory to the global variable: _PROGRAM_DIR
lua_pushstring(impl->lua, path);
lua_setglobal(impl->lua, "_PROGRAM_DIR");
// ok
ok = tb_true;
} while (0);
// ok?
return ok;
}
tb_bool_t tb_file_remove(tb_char_t const* path)
{
// check
tb_assert_and_check_return_val(path, tb_false);
// the full path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// remove it
return !remove(path)? tb_true : tb_false;
}
tb_bool_t tb_directory_copy(tb_char_t const* path, tb_char_t const* dest)
{
// the absolute path
tb_char_t full0[TB_PATH_MAXN];
path = tb_path_absolute(path, full0, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// the dest path
tb_char_t full1[TB_PATH_MAXN];
dest = tb_path_absolute(dest, full1, TB_PATH_MAXN);
tb_assert_and_check_return_val(dest, tb_false);
// walk copy
tb_value_t tuple[3];
tuple[0].cstr = dest;
tuple[1].ul = tb_strlen(path);
tuple[2].b = tb_true;
tb_directory_walk_impl(path, tb_true, tb_true, tb_directory_walk_copy, tuple);
// ok?
return tuple[2].b;
}
tb_bool_t tb_directory_remove(tb_char_t const* path)
{
// the absolute path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// walk remove
tb_directory_walk_impl(path, tb_true, tb_false, tb_directory_walk_remove, tb_null);
// remove it
return !remove(path)? tb_true : tb_false;
}
tb_bool_t tb_file_info(tb_char_t const* path, tb_file_info_t* info)
{
// check
tb_assert_and_check_return_val(path, tb_false);
// the full path (need translate "~/")
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// exists?
tb_check_return_val(!access(path, F_OK), tb_false);
// get info
if (info)
{
// init info
tb_memset(info, 0, sizeof(tb_file_info_t));
// get stat
#ifdef TB_CONFIG_POSIX_HAVE_STAT64
struct stat64 st = {0};
if (!stat64(path, &st))
#else
struct stat st = {0};
if (!stat(path, &st))
#endif
{
// file type
if (S_ISDIR(st.st_mode)) info->type = TB_FILE_TYPE_DIRECTORY;
else info->type = TB_FILE_TYPE_FILE;
// file size
info->size = st.st_size >= 0? (tb_hize_t)st.st_size : 0;
// the last access time
info->atime = (tb_time_t)st.st_atime;
// the last modify time
info->mtime = (tb_time_t)st.st_mtime;
}
}
// ok
return tb_true;
}
tb_void_t tb_directory_walk(tb_char_t const* path, tb_bool_t recursion, tb_bool_t prefix, tb_directory_walk_func_t func, tb_cpointer_t priv)
{
// check
tb_assert_and_check_return(path && func);
// exists?
tb_file_info_t info = {0};
if (tb_file_info(path, &info) && info.type == TB_FILE_TYPE_DIRECTORY)
tb_directory_walk_impl(path, recursion, prefix, func, priv);
else
{
// the absolute path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return(path);
// walk
tb_directory_walk_impl(path, recursion, prefix, func, priv);
}
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_bool_t tb_directory_create(tb_char_t const* path)
{
// check
tb_assert_and_check_return_val(path, tb_false);
// the absolute path
tb_char_t full[TB_PATH_MAXN];
path = tb_path_absolute(path, full, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// make it
tb_bool_t ok = !mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO)? tb_true : tb_false;
if (!ok)
{
// make directory
tb_char_t temp[TB_PATH_MAXN] = {0};
tb_char_t const* p = full;
tb_char_t* t = temp;
tb_char_t const* e = temp + TB_PATH_MAXN - 1;
for (; t < e && *p; t++)
{
*t = *p;
if (*p == '/')
{
// make directory if not exists
if (!tb_file_info(temp, tb_null)) mkdir(temp, S_IRWXU | S_IRWXG | S_IRWXO);
// skip repeat '/'
while (*p && *p == '/') p++;
}
else p++;
}
// make it again
ok = !mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO)? tb_true : tb_false;
}
// ok?
return ok;
}
static tb_bool_t xm_machine_main_get_project_directory(xm_machine_impl_t* impl, tb_char_t* path, tb_size_t maxn)
{
// check
tb_assert_and_check_return_val(impl && path && maxn, tb_false);
// done
tb_bool_t ok = tb_false;
do
{
// attempt to get it from the environment variable first
tb_char_t data[TB_PATH_MAXN] = {0};
if ( !tb_environment_first("XMAKE_PROJECT_DIR", data, sizeof(data))
|| !tb_path_absolute(data, path, maxn))
{
// get it from the current directory
if (!tb_directory_current(path, maxn)) break;
}
// trace
tb_trace_d("project: %s", path);
// save the directory to the global variable: _PROJECT_DIR
lua_pushstring(impl->lua, path);
lua_setglobal(impl->lua, "_PROJECT_DIR");
// ok
ok = tb_true;
} while (0);
// failed?
if (!ok) tb_printf("error: not found the project directory!\n");
// ok?
return ok;
}
tb_bool_t tb_file_copy(tb_char_t const* path, tb_char_t const* dest)
{
// check
tb_assert_and_check_return_val(path && dest, tb_false);
#ifdef TB_CONFIG_POSIX_HAVE_COPYFILE
// the full path
tb_char_t full0[TB_PATH_MAXN];
path = tb_path_absolute(path, full0, TB_PATH_MAXN);
tb_assert_and_check_return_val(path, tb_false);
// the dest path
tb_char_t full1[TB_PATH_MAXN];
dest = tb_path_absolute(dest, full1, TB_PATH_MAXN);
tb_assert_and_check_return_val(dest, tb_false);
// attempt to copy it directly
if (!copyfile(path, dest, 0, COPYFILE_ALL)) return tb_true;
else
{
// attempt to copy it again after creating directory
tb_char_t dir[TB_PATH_MAXN];
if (tb_directory_create(tb_path_directory(dest, dir, sizeof(dir))))
return !copyfile(path, dest, 0, COPYFILE_ALL);
}
// failed
return tb_false;
#else
tb_int_t ifd = -1;
tb_int_t ofd = -1;
tb_bool_t ok = tb_false;
do
{
// get the absolute source path
tb_char_t data[8192];
path = tb_path_absolute(path, data, sizeof(data));
tb_assert_and_check_break(path);
// get stat.st_mode first
#ifdef TB_CONFIG_POSIX_HAVE_STAT64
struct stat64 st = {0};
if (stat64(path, &st)) break;
#else
struct stat st = {0};
if (stat(path, &st)) break;
#endif
// open source file
ifd = open(path, O_RDONLY);
tb_check_break(ifd >= 0);
// get the absolute source path
dest = tb_path_absolute(dest, data, sizeof(data));
tb_assert_and_check_break(dest);
// open destinate file and copy file mode
ofd = open(dest, O_RDWR | O_CREAT | O_TRUNC, st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO));
if (ofd < 0)
{
// attempt to open it again after creating directory
tb_char_t dir[TB_PATH_MAXN];
if (tb_directory_create(tb_path_directory(dest, dir, sizeof(dir))))
ofd = open(dest, O_RDWR | O_CREAT | O_TRUNC, st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO));
}
tb_check_break(ofd >= 0);
// get file size
tb_hize_t size = tb_file_size(tb_fd2file(ifd));
// init write size
tb_hize_t writ = 0;
// attempt to copy file using `sendfile`
#ifdef TB_CONFIG_POSIX_HAVE_SENDFILE
while (writ < size)
{
off_t seek = writ;
tb_hong_t real = sendfile(ofd, ifd, &seek, (size_t)(size - writ));
if (real > 0) writ += real;
else break;
}
/* attempt to copy file directly if sendfile failed
*
* sendfile() supports regular file only after "since Linux 2.6.33".
*/
if (writ != size)
{
lseek(ifd, 0, SEEK_SET);
lseek(ofd, 0, SEEK_SET);
}
else
{
ok = tb_true;
break;
}
#endif
// copy file using `read` and `write`
writ = 0;
while (writ < size)
{
// read some data
tb_int_t real = read(ifd, data, (size_t)tb_min(size - writ, sizeof(data)));
if (real > 0)
{
real = write(ofd, data, real);
if (real > 0) writ += real;
else break;
}
else break;
}
// ok?
ok = (writ == size);
} while (0);
// close source file
if (ifd >= 0) close(ifd);
ifd = -1;
// close destinate file
if (ofd >= 0) close(ofd);
ofd = -1;
// ok?
return ok;
#endif
}
tb_char_t const* tb_path_relative_to(tb_char_t const* root, tb_char_t const* path, tb_char_t* data, tb_size_t maxn)
{
// check
tb_assert_and_check_return_val(path && data && maxn, tb_null);
// trace
tb_trace_d("path: %s", path);
// the root is the current and the path is absolute? return path directly
if (!root && !tb_path_is_absolute(path))
{
// copy it
tb_strlcpy(data, path, maxn);
// translate it
return tb_path_translate(data, 0, maxn)? data : tb_null;
}
// get the absolute path
tb_size_t path_size = 0;
tb_char_t path_absolute[TB_PATH_MAXN];
tb_size_t path_maxn = sizeof(path_absolute);
path = tb_path_absolute(path, path_absolute, path_maxn);
path_size = tb_strlen(path);
tb_assert_and_check_return_val(path && path_size && path_size < path_maxn, tb_null);
// trace
tb_trace_d("path_absolute: %s", path);
// get the absolute root
tb_size_t root_size = 0;
tb_char_t root_absolute[TB_PATH_MAXN];
tb_size_t root_maxn = sizeof(root_absolute);
if (root)
{
// get the absolute root
root = tb_path_absolute(root, root_absolute, root_maxn);
root_size = tb_strlen(root);
}
else
{
// get the current directory
if (!(root_size = tb_directory_current(root_absolute, root_maxn))) return tb_null;
// translate it
if (!(root_size = tb_path_translate(root_absolute, root_size, root_maxn))) return tb_null;
root = root_absolute;
}
tb_assert_and_check_return_val(root && root_size && root_size < root_maxn, tb_null);
// trace
tb_trace_d("root_absolute: %s", root);
// same directory? return "."
if (path_size == root_size && !tb_strncmp(path, root, root_size))
{
// check
tb_assert_and_check_return_val(maxn >= 2, ".");
// return "."
data[0] = '.';
data[1] = '\0';
return data;
}
// append separator
if (path_size + 1 < path_maxn)
{
path_absolute[path_size++] = TB_PATH_SEPARATOR;
path_absolute[path_size] = '\0';
}
if (root_size + 1 < root_maxn)
{
root_absolute[root_size++] = TB_PATH_SEPARATOR;
root_absolute[root_size] = '\0';
}
// find the common leading directory
tb_char_t const* p = path;
tb_char_t const* q = root;
tb_long_t last = -1;
for (; *p && *q && *p == *q; q++, p++)
{
// save the last separator
if (*p == TB_PATH_SEPARATOR) last = q - root;
}
// is different directory or outside the windows drive root? using the absolute path
if (last <= 0 || (last == 2 && root[1] == ':'))
{
// the path size
tb_size_t size = tb_min(path_size - 1, maxn);
// copy it
tb_strncpy(data, path, size);
data[size] = '\0';
}
// exists same root?
else
{
// count the remaining levels in root
tb_size_t count = 0;
tb_char_t const* l = root + last + 1;
for (; *l; l++)
{
if (*l == TB_PATH_SEPARATOR) count++;
}
// append "../" or "..\\"
tb_char_t* d = data;
tb_char_t* e = data + maxn;
while (count--)
{
if (d + 3 < e)
{
d[0] = '.';
d[1] = '.';
d[2] = TB_PATH_SEPARATOR;
d += 3;
}
}
// append the left path
l = path + last + 1;
while (*l && d < e) *d++ = *l++;
// remove the last separator
if (d > data) d--;
// end
*d = '\0';
}
// trace
tb_trace_d("relative: %s", data);
// ok?
return data;
}
