41   inline Style real_style(Style style) {  in real_style()  argument
42     if (style != Style::native)  in real_style()
43       return style;  in real_style()
44     if (is_style_posix(style))  in real_style()
50   inline const char *separators(Style style) {  in separators()  argument
51     if (is_style_windows(style))  in separators()
56   inline char preferred_separator(Style style) {  in preferred_separator()  argument
57     if (real_style(style) == Style::windows)  in preferred_separator()
62   StringRef find_first_component(StringRef path, Style style) {  in find_first_component()  argument
72     if (is_style_windows(style)) {  in find_first_component()
80     if ((path.size() > 2) && is_separator(path[0], style) &&  in find_first_component()
81         path[0] == path[1] && !is_separator(path[2], style)) {  in find_first_component()
83       size_t end = path.find_first_of(separators(style), 2);  in find_first_component()
88     if (is_separator(path[0], style))  in find_first_component()
92     size_t end = path.find_first_of(separators(style));  in find_first_component()
98   size_t filename_pos(StringRef str, Style style) {  in filename_pos()  argument
99     if (str.size() > 0 && is_separator(str[str.size() - 1], style))  in filename_pos()
102     size_t pos = str.find_last_of(separators(style), str.size() - 1);  in filename_pos()
104     if (is_style_windows(style)) {  in filename_pos()
109     if (pos == StringRef::npos || (pos == 1 && is_separator(str[0], style)))  in filename_pos()
117   size_t root_dir_start(StringRef str, Style style) {  in root_dir_start()  argument
119     if (is_style_windows(style)) {  in root_dir_start()
120       if (str.size() > 2 && str[1] == ':' && is_separator(str[2], style))  in root_dir_start()
125     if (str.size() > 3 && is_separator(str[0], style) && str[0] == str[1] &&  in root_dir_start()
126         !is_separator(str[2], style)) {  in root_dir_start()
127       return str.find_first_of(separators(style), 2);  in root_dir_start()
131     if (str.size() > 0 && is_separator(str[0], style))  in root_dir_start()
140   size_t parent_path_end(StringRef path, Style style) {  in parent_path_end()  argument
141     size_t end_pos = filename_pos(path, style);  in parent_path_end()
144         path.size() > 0 && is_separator(path[end_pos], style);  in parent_path_end()
147     size_t root_dir_pos = root_dir_start(path, style);  in parent_path_end()
150            is_separator(path[end_pos - 1], style))  in parent_path_end()
227 const_iterator begin(StringRef path, Style style) {  in begin()  argument
230   i.Component = find_first_component(path, style);  in begin()
232   i.S = style;  in begin()
298 reverse_iterator rbegin(StringRef Path, Style style) {  in rbegin()  argument
302   I.S = style;  in rbegin()
349 StringRef root_path(StringRef path, Style style) {  in root_path()  argument
350   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_path()
353         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_path()
354     bool has_drive = is_style_windows(style) && b->ends_with(":");  in root_path()
357       if ((++pos != e) && is_separator((*pos)[0], style)) {  in root_path()
366     if (is_separator((*b)[0], style)) {  in root_path()
374 StringRef root_name(StringRef path, Style style) {  in root_name()  argument
375   const_iterator b = begin(path, style), e = end(path);  in root_name()
378         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_name()
379     bool has_drive = is_style_windows(style) && b->ends_with(":");  in root_name()
391 StringRef root_directory(StringRef path, Style style) {  in root_directory()  argument
392   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_directory()
395         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_directory()
396     bool has_drive = is_style_windows(style) && b->ends_with(":");  in root_directory()
400         (++pos != e) && is_separator((*pos)[0], style)) {  in root_directory()
405     if (!has_net && is_separator((*b)[0], style)) {  in root_directory()
414 StringRef relative_path(StringRef path, Style style) {  in relative_path()  argument
415   StringRef root = root_path(path, style);  in relative_path()
419 void append(SmallVectorImpl<char> &path, Style style, const Twine &a,  in append()  argument
434         !path.empty() && is_separator(path[path.size() - 1], style);  in append()
437       size_t loc = component.find_first_not_of(separators(style));  in append()
446         !component.empty() && is_separator(component[0], style);  in append()
448         !(path.empty() || has_root_name(component, style))) {  in append()
450       path.push_back(preferred_separator(style));  in append()
463             const_iterator end, Style style) {  in append()  argument
465     path::append(path, style, *begin);  in append()
468 StringRef parent_path(StringRef path, Style style) {  in parent_path()  argument
469   size_t end_pos = parent_path_end(path, style);  in parent_path()
475 void remove_filename(SmallVectorImpl<char> &path, Style style) {  in remove_filename()  argument
476   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()), style);  in remove_filename()
482                        Style style) {  in replace_extension()  argument
489   if (pos != StringRef::npos && pos >= filename_pos(p, style))  in replace_extension()
501                         Style style = Style::native) {  in starts_with()  argument
503   if (is_style_windows(style)) {  in starts_with()
507       bool SepPath = is_separator(Path[I], style);  in starts_with()
508       bool SepPrefix = is_separator(Prefix[I], style);  in starts_with()
520                          StringRef NewPrefix, Style style) {  in replace_path_prefix()  argument
525   if (!starts_with(OrigPath, OldPrefix, style))  in replace_path_prefix()
541 void native(const Twine &path, SmallVectorImpl<char> &result, Style style) {  in native()  argument
548   native(result, style);  in native()
551 void native(SmallVectorImpl<char> &Path, Style style) {  in native()  argument
554   if (is_style_windows(style)) {  in native()
556       if (is_separator(Ch, style))  in native()
557         Ch = preferred_separator(style);  in native()
558     if (Path[0] == '~' && (Path.size() == 1 || is_separator(Path[1], style))) {  in native()
569 std::string convert_to_slash(StringRef path, Style style) {  in convert_to_slash()  argument
570   if (is_style_posix(style))  in convert_to_slash()
578 StringRef filename(StringRef path, Style style) { return *rbegin(path, style); }  in filename()  argument
580 StringRef stem(StringRef path, Style style) {  in stem()  argument
581   StringRef fname = filename(path, style);  in stem()
591 StringRef extension(StringRef path, Style style) {  in extension()  argument
592   StringRef fname = filename(path, style);  in extension()
602 bool is_separator(char value, Style style) {  in is_separator()  argument
605   if (is_style_windows(style))  in is_separator()
610 StringRef get_separator(Style style) {  in get_separator()  argument
611   if (real_style(style) == Style::windows)  in get_separator()
616 bool has_root_name(const Twine &path, Style style) {  in has_root_name()  argument
620   return !root_name(p, style).empty();  in has_root_name()
623 bool has_root_directory(const Twine &path, Style style) {  in has_root_directory()  argument
627   return !root_directory(p, style).empty();  in has_root_directory()
630 bool has_root_path(const Twine &path, Style style) {  in has_root_path()  argument
634   return !root_path(p, style).empty();  in has_root_path()
637 bool has_relative_path(const Twine &path, Style style) {  in has_relative_path()  argument
641   return !relative_path(p, style).empty();  in has_relative_path()
644 bool has_filename(const Twine &path, Style style) {  in has_filename()  argument
648   return !filename(p, style).empty();  in has_filename()
651 bool has_parent_path(const Twine &path, Style style) {  in has_parent_path()  argument
655   return !parent_path(p, style).empty();  in has_parent_path()
658 bool has_stem(const Twine &path, Style style) {  in has_stem()  argument
662   return !stem(p, style).empty();  in has_stem()
665 bool has_extension(const Twine &path, Style style) {  in has_extension()  argument
669   return !extension(p, style).empty();  in has_extension()
672 bool is_absolute(const Twine &path, Style style) {  in is_absolute()  argument
676   bool rootDir = has_root_directory(p, style);  in is_absolute()
677   bool rootName = is_style_posix(style) || has_root_name(p, style);  in is_absolute()
682 bool is_absolute_gnu(const Twine &path, Style style) {  in is_absolute_gnu()  argument
688   if (!p.empty() && is_separator(p.front(), style))  in is_absolute_gnu()
691   if (is_style_windows(style)) {  in is_absolute_gnu()
700 bool is_relative(const Twine &path, Style style) {  in is_relative()  argument
701   return !is_absolute(path, style);  in is_relative()
704 StringRef remove_leading_dotslash(StringRef Path, Style style) {  in remove_leading_dotslash()  argument
706   while (Path.size() > 2 && Path[0] == '.' && is_separator(Path[1], style)) {  in remove_leading_dotslash()
708     while (Path.size() > 0 && is_separator(Path[0], style))  in remove_leading_dotslash()
717                  Style style) {  in remove_dots()  argument
718   style = real_style(style);  in remove_dots()
724   StringRef root = path::root_path(remaining, style);  in remove_dots()
732     size_t next_slash = remaining.find_first_of(separators(style));  in remove_dots()
740       needs_change |= remaining.front() != preferred_separator(style);  in remove_dots()
766   make_preferred(buffer, style);  in remove_dots()
776       buffer += preferred_separator(style);  in remove_dots()