39   inline Style real_style(Style style) {  in real_style()  argument
41     return (style == Style::posix) ? Style::posix : Style::windows;  in real_style()
43     return (style == Style::windows) ? Style::windows : Style::posix;  in real_style()
47   inline const char *separators(Style style) {  in separators()  argument
48     if (real_style(style) == Style::windows)  in separators()
53   inline char preferred_separator(Style style) {  in preferred_separator()  argument
54     if (real_style(style) == Style::windows)  in preferred_separator()
59   StringRef find_first_component(StringRef path, Style style) {  in find_first_component()  argument
69     if (real_style(style) == Style::windows) {  in find_first_component()
77     if ((path.size() > 2) && is_separator(path[0], style) &&  in find_first_component()
78         path[0] == path[1] && !is_separator(path[2], style)) {  in find_first_component()
80       size_t end = path.find_first_of(separators(style), 2);  in find_first_component()
85     if (is_separator(path[0], style))  in find_first_component()
89     size_t end = path.find_first_of(separators(style));  in find_first_component()
95   size_t filename_pos(StringRef str, Style style) {  in filename_pos()  argument
96     if (str.size() > 0 && is_separator(str[str.size() - 1], style))  in filename_pos()
99     size_t pos = str.find_last_of(separators(style), str.size() - 1);  in filename_pos()
101     if (real_style(style) == Style::windows) {  in filename_pos()
106     if (pos == StringRef::npos || (pos == 1 && is_separator(str[0], style)))  in filename_pos()
114   size_t root_dir_start(StringRef str, Style style) {  in root_dir_start()  argument
116     if (real_style(style) == Style::windows) {  in root_dir_start()
117       if (str.size() > 2 && str[1] == ':' && is_separator(str[2], style))  in root_dir_start()
122     if (str.size() > 3 && is_separator(str[0], style) && str[0] == str[1] &&  in root_dir_start()
123         !is_separator(str[2], style)) {  in root_dir_start()
124       return str.find_first_of(separators(style), 2);  in root_dir_start()
128     if (str.size() > 0 && is_separator(str[0], style))  in root_dir_start()
137   size_t parent_path_end(StringRef path, Style style) {  in parent_path_end()  argument
138     size_t end_pos = filename_pos(path, style);  in parent_path_end()
141         path.size() > 0 && is_separator(path[end_pos], style);  in parent_path_end()
144     size_t root_dir_pos = root_dir_start(path, style);  in parent_path_end()
147            is_separator(path[end_pos - 1], style))  in parent_path_end()
224 const_iterator begin(StringRef path, Style style) {  in begin()  argument
227   i.Component = find_first_component(path, style);  in begin()
229   i.S = style;  in begin()
295 reverse_iterator rbegin(StringRef Path, Style style) {  in rbegin()  argument
299   I.S = style;  in rbegin()
346 StringRef root_path(StringRef path, Style style) {  in root_path()  argument
347   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_path()
350         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_path()
351     bool has_drive = (real_style(style) == Style::windows) && b->endswith(":");  in root_path()
354       if ((++pos != e) && is_separator((*pos)[0], style)) {  in root_path()
364     if (is_separator((*b)[0], style)) {  in root_path()
372 StringRef root_name(StringRef path, Style style) {  in root_name()  argument
373   const_iterator b = begin(path, style), e = end(path);  in root_name()
376         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_name()
377     bool has_drive = (real_style(style) == Style::windows) && b->endswith(":");  in root_name()
389 StringRef root_directory(StringRef path, Style style) {  in root_directory()  argument
390   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_directory()
393         b->size() > 2 && is_separator((*b)[0], style) && (*b)[1] == (*b)[0];  in root_directory()
394     bool has_drive = (real_style(style) == Style::windows) && b->endswith(":");  in root_directory()
398         (++pos != e) && is_separator((*pos)[0], style)) {  in root_directory()
403     if (!has_net && is_separator((*b)[0], style)) {  in root_directory()
412 StringRef relative_path(StringRef path, Style style) {  in relative_path()  argument
413   StringRef root = root_path(path, style);  in relative_path()
417 void append(SmallVectorImpl<char> &path, Style style, const Twine &a,  in append()  argument
432         !path.empty() && is_separator(path[path.size() - 1], style);  in append()
435       size_t loc = component.find_first_not_of(separators(style));  in append()
444         !component.empty() && is_separator(component[0], style);  in append()
446         !(path.empty() || has_root_name(component, style))) {  in append()
448       path.push_back(preferred_separator(style));  in append()
461             const_iterator end, Style style) {  in append()  argument
463     path::append(path, style, *begin);  in append()
466 StringRef parent_path(StringRef path, Style style) {  in parent_path()  argument
467   size_t end_pos = parent_path_end(path, style);  in parent_path()
474 void remove_filename(SmallVectorImpl<char> &path, Style style) {  in remove_filename()  argument
475   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()), style);  in remove_filename()
481                        Style style) {  in replace_extension()  argument
488   if (pos != StringRef::npos && pos >= filename_pos(p, style))  in replace_extension()
501                          Style style, bool strict) {  in replace_path_prefix()  argument
513     OldPrefixDir = parent_path(OldPrefix, style);  in replace_path_prefix()
521     if (!is_separator(OrigPath[OldPrefixDir.size()], style) && strict)  in replace_path_prefix()
532   path::append(NewPath, style, NewPrefix);  in replace_path_prefix()
534     if (!is_separator(RelPath[0], style) || !strict)  in replace_path_prefix()
535       path::append(NewPath, style, RelPath);  in replace_path_prefix()
537       path::append(NewPath, style, relative_path(RelPath, style));  in replace_path_prefix()
545 void native(const Twine &path, SmallVectorImpl<char> &result, Style style) {  in native()  argument
552   native(result, style);  in native()
555 void native(SmallVectorImpl<char> &Path, Style style) {  in native()  argument
558   if (real_style(style) == Style::windows) {  in native()
560     if (Path[0] == '~' && (Path.size() == 1 || is_separator(Path[1], style))) {  in native()
579 std::string convert_to_slash(StringRef path, Style style) {  in convert_to_slash()  argument
580   if (real_style(style) != Style::windows)  in convert_to_slash()
588 StringRef filename(StringRef path, Style style) { return *rbegin(path, style); }  in filename()  argument
590 StringRef stem(StringRef path, Style style) {  in stem()  argument
591   StringRef fname = filename(path, style);  in stem()
603 StringRef extension(StringRef path, Style style) {  in extension()  argument
604   StringRef fname = filename(path, style);  in extension()
616 bool is_separator(char value, Style style) {  in is_separator()  argument
619   if (real_style(style) == Style::windows)  in is_separator()
624 StringRef get_separator(Style style) {  in get_separator()  argument
625   if (real_style(style) == Style::windows)  in get_separator()
630 bool has_root_name(const Twine &path, Style style) {  in has_root_name()  argument
634   return !root_name(p, style).empty();  in has_root_name()
637 bool has_root_directory(const Twine &path, Style style) {  in has_root_directory()  argument
641   return !root_directory(p, style).empty();  in has_root_directory()
644 bool has_root_path(const Twine &path, Style style) {  in has_root_path()  argument
648   return !root_path(p, style).empty();  in has_root_path()
651 bool has_relative_path(const Twine &path, Style style) {  in has_relative_path()  argument
655   return !relative_path(p, style).empty();  in has_relative_path()
658 bool has_filename(const Twine &path, Style style) {  in has_filename()  argument
662   return !filename(p, style).empty();  in has_filename()
665 bool has_parent_path(const Twine &path, Style style) {  in has_parent_path()  argument
669   return !parent_path(p, style).empty();  in has_parent_path()
672 bool has_stem(const Twine &path, Style style) {  in has_stem()  argument
676   return !stem(p, style).empty();  in has_stem()
679 bool has_extension(const Twine &path, Style style) {  in has_extension()  argument
683   return !extension(p, style).empty();  in has_extension()
686 bool is_absolute(const Twine &path, Style style) {  in is_absolute()  argument
690   bool rootDir = has_root_directory(p, style);  in is_absolute()
692       (real_style(style) != Style::windows) || has_root_name(p, style);  in is_absolute()
697 bool is_relative(const Twine &path, Style style) {  in is_relative()  argument
698   return !is_absolute(path, style);  in is_relative()
701 StringRef remove_leading_dotslash(StringRef Path, Style style) {  in remove_leading_dotslash()  argument
703   while (Path.size() > 2 && Path[0] == '.' && is_separator(Path[1], style)) {  in remove_leading_dotslash()
705     while (Path.size() > 0 && is_separator(Path[0], style))  in remove_leading_dotslash()
712                                     Style style) {  in remove_dots()  argument
716   StringRef rel = path::relative_path(path, style);  in remove_dots()
718        llvm::make_range(path::begin(rel, style), path::end(rel))) {  in remove_dots()
727       if (path::is_absolute(path, style))  in remove_dots()
733   SmallString<256> buffer = path::root_path(path, style);  in remove_dots()
735     path::append(buffer, style, C);  in remove_dots()
740                  Style style) {  in remove_dots()  argument
743   SmallString<256> result = remove_dots(p, remove_dot_dot, style);  in remove_dots()