add upstream 11.15

1 files changed, 1 insertions, 64 deletions

diff --git a/zen/file_access.cpp b/zen/file_access.cpp
index db4f2505..6940b22f 100644
--- a/zen/file_access.cpp
+++ b/zen/file_access.cpp
@@ -29,71 +29,8 @@
 using namespace zen;
 
 
-std::optional<PathComponents> zen::parsePathComponents(const Zstring& itemPath)
-{
-    auto doParse = [&](int sepCountVolumeRoot, bool rootWithSep) -> std::optional<PathComponents>
-    {
-        const Zstring itemPathFmt = appendSeparator(itemPath); //simplify analysis of root without separator, e.g. \\server-name\share
-        int sepCount = 0;
-        for (auto it = itemPathFmt.begin(); it != itemPathFmt.end(); ++it)
-            if (*it == FILE_NAME_SEPARATOR)
-                if (++sepCount == sepCountVolumeRoot)
-                {
-                    Zstring rootPath(itemPathFmt.begin(), rootWithSep ? it + 1 : it);
-
-                    Zstring relPath(it + 1, itemPathFmt.end());
-                    trim(relPath, true, true, [](Zchar c) { return c == FILE_NAME_SEPARATOR; });
-
-                    return PathComponents({rootPath, relPath});
-                }
-        return {};
-    };
-
-    std::optional<PathComponents> pc; //"/media/zenju/" and "/Volumes/" should not fail to parse
-
-    if (!pc && startsWith(itemPath, "/mnt/")) //e.g. /mnt/DEVICE_NAME
-        pc = doParse(3 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
-
-    if (!pc && startsWith(itemPath, "/media/")) //Ubuntu: e.g. /media/zenju/DEVICE_NAME
-        if (const char* username = ::getenv("USER"))
-            if (startsWith(itemPath, std::string("/media/") + username + "/"))
-                pc = doParse(4 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
-
-    if (!pc && startsWith(itemPath, "/run/media/")) //CentOS, Suse: e.g. /run/media/zenju/DEVICE_NAME
-        if (const char* username = ::getenv("USER"))
-            if (startsWith(itemPath, std::string("/run/media/") + username + "/"))
-                pc = doParse(5 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
-
-    if (!pc && startsWith(itemPath, "/run/user/")) //Ubuntu, e.g.: /run/user/1000/gvfs/smb-share:server=192.168.62.145,share=folder
-    {
-        Zstring tmp(itemPath.begin() + strLength("/run/user/"), itemPath.end());
-        tmp = beforeFirst(tmp, "/gvfs/", IfNotFoundReturn::none);
-        if (!tmp.empty() && std::all_of(tmp.begin(), tmp.end(), [](char c) { return isDigit(c); }))
-        /**/pc = doParse(6 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
-    }
-
-
-    if (!pc && startsWith(itemPath, "/"))
-        pc = doParse(1 /*sepCountVolumeRoot*/, true /*rootWithSep*/);
-
-    return pc;
-}
-
-
-std::optional<Zstring> zen::getParentFolderPath(const Zstring& itemPath)
+namespace
 {
-    if (const std::optional<PathComponents> comp = parsePathComponents(itemPath))
-    {
-        if (comp->relPath.empty())
-            return std::nullopt;
-
-        const Zstring parentRelPath = beforeLast(comp->relPath, FILE_NAME_SEPARATOR, IfNotFoundReturn::none);
-        if (parentRelPath.empty())
-            return comp->rootPath;
-        return appendSeparator(comp->rootPath) + parentRelPath;
-    }
-    assert(false);
-    return std::nullopt;
 }