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DirectoryStatus.cpp
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// Copyright (C) 2011 Fog Creek Software // 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 "DirectoryStatus.h" #include "THgStatus.h" #include "TortoiseUtils.h" char CDirectoryStatus::Status(CString strRelPath) const { bool bAdded = false; bool bModified = false; strRelPath += '/'; POSITION position = m_listEntries.GetHeadPosition(); while (position != NULL) { const CEntry& rEntry = m_listEntries.GetNext(position); if (strRelPath.IsEmpty() || rEntry.strPath.Left(strRelPath.GetLength()) == strRelPath) { if (rEntry.chStatus == 'm' || rEntry.chStatus == 'r') { bModified = true; break; } if (rEntry.chStatus == 'a') { bAdded = true; } } } if (bModified) return 'M'; if (bAdded) return 'A'; return 'C'; } int CDirectoryStatus::Read(const CString& strHgRoot, const CString& strCwd) { m_listEntries.RemoveAll(); m_bNoIcons = false; CString strStatusPath = strHgRoot + "\\.hg\\thgstatus"; CAtlFile file; if (FAILED(file.Create(strStatusPath, GENERIC_READ, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, OPEN_EXISTING))) { ATLTRACE("CDirectoryStatus::read: can't open '%s'\n", (LPCTSTR)strStatusPath); CString p = (strCwd.GetLength() < strHgRoot.GetLength() ? strHgRoot : strCwd); CTHgStatus::Update(strStatusPath); return 0; } CDirectoryStatus::CEntry e; int nRes = 1; const CString strNoIcons = "@@noicons"; CString strLine; for (;;) { strLine.Empty(); char chStatus; for (;;) { if (FAILED(file.Read(&chStatus, sizeof(char)))) goto close; if (chStatus == '\n') break; strLine.AppendChar(chStatus); if (strLine.GetLength() > 1000) { nRes = 0; goto close; } } if (StartsWith(strLine, strNoIcons)) { m_bNoIcons = true; goto close; } if (strLine.IsEmpty()) goto close; e.chStatus = strLine[0]; CString strPath; if (strLine.GetLength() > 1) { strPath = strLine.Mid(1).MakeLower(); } strPath.AppendChar('/'); e.strPath = strPath; m_listEntries.AddTail(e); } close: file.Close(); ATLTRACE("DirectoryStatus::read(%d): done. %d entries read. noicons_ = %d\n", m_listEntries.GetCount(), m_bNoIcons); return nRes; } struct CCacheEntry { CString strHgRoot; CDirectoryStatus ds; bool bReadFailed; unsigned uTickCount; CCacheEntry() : bReadFailed(false), uTickCount(0) {} }; CDirectoryStatus* CDirectoryStatus::Get(const CString& strHgRoot, const CString& strCwd) { static CCacheEntry ce; unsigned tc = ::GetTickCount(); if (ce.strHgRoot != strHgRoot || (tc - ce.uTickCount) > 2000) { ce.strHgRoot.Empty(); ce.bReadFailed = (ce.ds.Read(strHgRoot, strCwd) == 0); ce.strHgRoot = strHgRoot; ce.uTickCount = ::GetTickCount(); } return (ce.bReadFailed ? 0 : &ce.ds); }