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DirectoryStatus: cache last used

Changeset 7aaa1ee7ff7c…

Parent 7eb6164ccfef…

by Adrian Buehlmann

Changes to 3 files · Browse files at 7aaa1ee7ff7c Showing diff from parent 7eb6164ccfef Diff from another changeset...

Change 1 of 1 Show Entire File tortoise/​shellext/​DirectoryStatus.cpp Stacked
 
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@@ -95,3 +95,35 @@
    return 1;  } + + +struct CacheEntry +{ + std::string hgroot_; + DirectoryStatus ds_; + unsigned tickcount_; + + CacheEntry(): tickcount_(0) {}; +}; + + +DirectoryStatus* DirectoryStatus::get(const std::string& hgroot) +{ + static CacheEntry ce; + + unsigned tc = GetTickCount(); + + if (ce.hgroot_ == hgroot && (tc - ce.tickcount_) < 2000) + return &ce.ds_; + + ce.hgroot_.clear(); + + if (ce.ds_.read(hgroot) == 0) + return 0; + + ce.hgroot_ = hgroot; + ce.tickcount_ = GetTickCount(); + return &ce.ds_; +} + +
Change 1 of 1 Show Entire File tortoise/​shellext/​DirectoryStatus.h Stacked
 
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  V v_;    public: + static DirectoryStatus* get(const std::string& hgroot); + char status(const std::string& relpath) const; + +private:   int read(const std::string& hgroot); - char status(const std::string& relpath) const;  };
Change 1 of 1 Show Changes Only tortoise/​shellext/​QueryDirstate.cpp Stacked
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   // Copyright (C) 2009 Benjamin Pollack  // Copyright (C) 2009 Adrian Buehlmann  //  // This program is free software: you can redistribute it and/or modify  // it under the terms of the GNU General Public License as published by  // the Free Software Foundation, either version 2 of the License, or  // (at your option) any later version.  //  // This program is distributed in the hope that it will be useful,  // but WITHOUT ANY WARRANTY; without even the implied warranty of  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the  // GNU General Public License for more details.  //  // You should have received a copy of the GNU General Public License  // along with this program. If not, see <http://www.gnu.org/licenses/>.    #include "stdafx.h"    #include "QueryDirstate.h"  #include "dirstate.h"  #include "DirectoryStatus.h"  #include "Dirstatecache.h"  #include "TortoiseUtils.h"  #include "Winstat.h"    #include <shlwapi.h>      int HgQueryDirstate(   const std::string& path, const char& filterStatus, char& outStatus)  {   if (PathIsRoot(path.c_str()))   return 0;     std::string hgroot = GetHgRepoRoot(path);   if (hgroot.empty())   return 0;     size_t offset = hgroot.length();   if (path[offset] == '\\')   offset++;   const char* relpathptr = path.c_str() + offset;     std::string relpath = relpathptr;     for (size_t i = 0; i < relpath.size(); ++i)   {   if (relpath[i] == '\\')   relpath[i] = '/';   }     if (relpath == ".hg"   || (relpath.size() > 4 && relpath.compare(0, 4, ".hg/") == 0))   return 0; // don't descend into .hg dir     if (PathIsDirectory(path.c_str()))   { - std::auto_ptr<DirectoryStatus> pds(new DirectoryStatus()); - if (!pds->read(hgroot)) + DirectoryStatus* pds = DirectoryStatus::get(hgroot); + if (!pds)   return 0;     outStatus = pds->status(relpath);   }   else   {   Dirstate* pds = Dirstatecache::get(hgroot);   if (!pds)   {   TDEBUG_TRACE("HgQueryDirstate: Dirstatecache::get("   << hgroot << ") returns no Dirstate");   return 0;   }     if (filterStatus == 'A' && pds->num_added() == 0)   return 0;     const Direntry* e = pds->root().get(relpath);   if (!e)   return 0;     Winstat stat;   if (0 != stat.lstat(path.c_str())) {   TDEBUG_TRACE("HgQueryDirstate: lstat(" << path << ") failed");   return 0;   }     outStatus = e->status(stat);   }     return 1;  }