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-rw-r--r--src/common/fs/path_util.cpp38
-rw-r--r--src/common/fs/path_util.h6
2 files changed, 33 insertions, 11 deletions
diff --git a/src/common/fs/path_util.cpp b/src/common/fs/path_util.cpp
index c3a81f9a9..d2f50432a 100644
--- a/src/common/fs/path_util.cpp
+++ b/src/common/fs/path_util.cpp
@@ -354,18 +354,36 @@ std::string_view RemoveTrailingSlash(std::string_view path) {
return path;
}
-std::vector<std::string> SplitPathComponents(std::string_view filename) {
- std::string copy(filename);
- std::replace(copy.begin(), copy.end(), '\\', '/');
- std::vector<std::string> out;
-
- std::stringstream stream(copy);
- std::string item;
- while (std::getline(stream, item, '/')) {
- out.push_back(std::move(item));
+template <typename F>
+static void ForEachPathComponent(std::string_view filename, F&& cb) {
+ const char* component_begin = filename.data();
+ const char* const end = component_begin + filename.size();
+ for (const char* it = component_begin; it != end; ++it) {
+ const char c = *it;
+ if (c == '\\' || c == '/') {
+ if (component_begin != it) {
+ cb(std::string_view{component_begin, it});
+ }
+ component_begin = it + 1;
+ }
}
+ if (component_begin != end) {
+ cb(std::string_view{component_begin, end});
+ }
+}
+
+std::vector<std::string_view> SplitPathComponents(std::string_view filename) {
+ std::vector<std::string_view> components;
+ ForEachPathComponent(filename, [&](auto component) { components.emplace_back(component); });
+
+ return components;
+}
+
+std::vector<std::string> SplitPathComponentsCopy(std::string_view filename) {
+ std::vector<std::string> components;
+ ForEachPathComponent(filename, [&](auto component) { components.emplace_back(component); });
- return out;
+ return components;
}
std::string SanitizePath(std::string_view path_, DirectorySeparator directory_separator) {
diff --git a/src/common/fs/path_util.h b/src/common/fs/path_util.h
index 2874ea738..23c8b1359 100644
--- a/src/common/fs/path_util.h
+++ b/src/common/fs/path_util.h
@@ -289,7 +289,11 @@ enum class DirectorySeparator {
// Splits the path on '/' or '\' and put the components into a vector
// i.e. "C:\Users\Yuzu\Documents\save.bin" becomes {"C:", "Users", "Yuzu", "Documents", "save.bin" }
-[[nodiscard]] std::vector<std::string> SplitPathComponents(std::string_view filename);
+[[nodiscard]] std::vector<std::string_view> SplitPathComponents(std::string_view filename);
+
+// Splits the path on '/' or '\' and put the components into a vector
+// i.e. "C:\Users\Yuzu\Documents\save.bin" becomes {"C:", "Users", "Yuzu", "Documents", "save.bin" }
+[[nodiscard]] std::vector<std::string> SplitPathComponentsCopy(std::string_view filename);
// Removes trailing slash, makes all '\\' into '/', and removes duplicate '/'. Makes '/' into '\\'
// depending if directory_separator is BackwardSlash or PlatformDefault and running on windows