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https://github.com/godotengine/godot
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Add symlink API to the DirAccess (on macOS and Linux).
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@ -245,6 +245,10 @@ public:
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uint64_t get_space_left();
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virtual bool is_link(String p_file) { return false; }
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virtual String read_link(String p_file) { return p_file; }
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virtual Error create_link(String p_source, String p_target) { return FAILED; }
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virtual String get_filesystem_type() const;
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DirAccessPack();
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@ -331,7 +331,7 @@ public:
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}
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};
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Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flags) {
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Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flags, bool p_copy_links) {
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List<String> dirs;
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String curdir = get_current_dir();
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@ -339,7 +339,9 @@ Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flag
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String n = get_next();
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while (n != String()) {
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if (n != "." && n != "..") {
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if (current_is_dir()) {
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if (p_copy_links && is_link(get_current_dir().plus_file(n))) {
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create_link(read_link(get_current_dir().plus_file(n)), p_to + n);
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} else if (current_is_dir()) {
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dirs.push_back(n);
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} else {
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const String &rel_path = n;
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@ -371,7 +373,7 @@ Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flag
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Error err = change_dir(E->get());
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot change current directory to '" + E->get() + "'.");
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err = _copy_dir(p_target_da, p_to + rel_path + "/", p_chmod_flags);
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err = _copy_dir(p_target_da, p_to + rel_path + "/", p_chmod_flags, p_copy_links);
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if (err) {
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change_dir("..");
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ERR_FAIL_V_MSG(err, "Failed to copy recursively.");
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@ -383,7 +385,7 @@ Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flag
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return OK;
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}
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Error DirAccess::copy_dir(String p_from, String p_to, int p_chmod_flags) {
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Error DirAccess::copy_dir(String p_from, String p_to, int p_chmod_flags, bool p_copy_links) {
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ERR_FAIL_COND_V_MSG(!dir_exists(p_from), ERR_FILE_NOT_FOUND, "Source directory doesn't exist.");
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DirAccess *target_da = DirAccess::create_for_path(p_to);
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@ -402,7 +404,7 @@ Error DirAccess::copy_dir(String p_from, String p_to, int p_chmod_flags) {
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}
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DirChanger dir_changer(this, p_from);
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Error err = _copy_dir(target_da, p_to, p_chmod_flags);
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Error err = _copy_dir(target_da, p_to, p_chmod_flags, p_copy_links);
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memdelete(target_da);
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return err;
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@ -50,7 +50,7 @@ private:
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AccessType _access_type = ACCESS_FILESYSTEM;
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static CreateFunc create_func[ACCESS_MAX]; ///< set this to instance a filesystem object
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Error _copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flags);
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Error _copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flags, bool p_copy_links);
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protected:
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String _get_root_path() const;
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@ -89,11 +89,15 @@ public:
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static bool exists(String p_dir);
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virtual uint64_t get_space_left() = 0;
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Error copy_dir(String p_from, String p_to, int p_chmod_flags = -1);
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Error copy_dir(String p_from, String p_to, int p_chmod_flags = -1, bool p_copy_links = false);
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virtual Error copy(String p_from, String p_to, int p_chmod_flags = -1);
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virtual Error rename(String p_from, String p_to) = 0;
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virtual Error remove(String p_name) = 0;
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virtual bool is_link(String p_file) = 0;
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virtual String read_link(String p_file) = 0;
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virtual Error create_link(String p_source, String p_target) = 0;
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// Meant for editor code when we want to quickly remove a file without custom
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// handling (e.g. removing a cache file).
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static void remove_file_or_error(String p_path) {
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@ -406,6 +406,53 @@ Error DirAccessUnix::remove(String p_path) {
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}
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}
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bool DirAccessUnix::is_link(String p_file) {
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if (p_file.is_rel_path()) {
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p_file = get_current_dir().plus_file(p_file);
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}
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p_file = fix_path(p_file);
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struct stat flags;
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if ((lstat(p_file.utf8().get_data(), &flags) != 0)) {
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return FAILED;
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}
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return S_ISLNK(flags.st_mode);
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}
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String DirAccessUnix::read_link(String p_file) {
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if (p_file.is_rel_path()) {
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p_file = get_current_dir().plus_file(p_file);
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}
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p_file = fix_path(p_file);
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char buf[256];
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memset(buf, 0, 256);
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ssize_t len = readlink(p_file.utf8().get_data(), buf, sizeof(buf));
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String link;
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if (len > 0) {
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link.parse_utf8(buf, len);
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}
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return link;
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}
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Error DirAccessUnix::create_link(String p_source, String p_target) {
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if (p_target.is_rel_path()) {
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p_target = get_current_dir().plus_file(p_target);
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}
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p_source = fix_path(p_source);
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p_target = fix_path(p_target);
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if (symlink(p_source.utf8().get_data(), p_target.utf8().get_data()) == 0) {
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return OK;
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} else {
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return FAILED;
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}
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}
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uint64_t DirAccessUnix::get_space_left() {
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#ifndef NO_STATVFS
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struct statvfs vfs;
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@ -79,6 +79,10 @@ public:
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virtual Error rename(String p_path, String p_new_path);
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virtual Error remove(String p_path);
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virtual bool is_link(String p_file);
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virtual String read_link(String p_file);
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virtual Error create_link(String p_source, String p_target);
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virtual uint64_t get_space_left();
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virtual String get_filesystem_type() const;
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@ -78,6 +78,11 @@ public:
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virtual Error rename(String p_path, String p_new_path);
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virtual Error remove(String p_path);
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virtual bool is_link(String p_file) { return false; };
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virtual String read_link(String p_file) { return p_file; };
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virtual Error create_link(String p_source, String p_target) { return FAILED; };
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//virtual FileType get_file_type() const;
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uint64_t get_space_left();
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virtual String get_filesystem_type() const;
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@ -74,6 +74,10 @@ public:
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virtual Error rename(String p_from, String p_to);
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virtual Error remove(String p_name);
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virtual bool is_link(String p_file) { return false; }
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virtual String read_link(String p_file) { return p_file; }
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virtual Error create_link(String p_source, String p_target) { return FAILED; }
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virtual String get_filesystem_type() const;
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uint64_t get_space_left();
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