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dirstate.cpp
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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 "dirstate.h" #include "TortoiseUtils.h" std::auto_ptr<Dirstate> Dirstate::read(const std::string& path, bool& unset) { unset = false; FILE *f = fopenReadRenameAllowed(path.c_str()); if (!f) { TDEBUG_TRACE("Dirstate::read: can't open " << path); return std::auto_ptr<Dirstate>(0); } std::auto_ptr<Dirstate> pd(new Dirstate()); fread(&pd->parent1, sizeof(char), HASH_LENGTH, f); fread(&pd->parent2, sizeof(char), HASH_LENGTH, f); Direntry e; std::vector<char> relpath(MAX_PATH + 10, 0); while (e.read(f, relpath)) { if (e.unset()) unset = true; if (e.state == 'a') ++pd->num_added_; pd->add(&relpath[0], e); } fclose(f); return pd; } static char *revhash_string(const char revhash[HASH_LENGTH]) { unsigned ix; static char rev_string[HASH_LENGTH * 2 + 1]; static char *hexval = "0123456789abcdef"; for (ix = 0; ix < HASH_LENGTH; ++ix) { rev_string[ix * 2] = hexval[(revhash[ix] >> 4) & 0xf]; rev_string[ix * 2 + 1] = hexval[revhash[ix] & 0xf]; } rev_string[sizeof(rev_string)] = 0; return rev_string; } void testread() { bool unset; std::auto_ptr<Dirstate> pd = Dirstate::read(".hg/dirstate", unset); if (!pd.get()) { printf("error: could not read .hg/dirstate\n"); return; } time_t t; char *s; unsigned ix; printf("parent1: %s\n", revhash_string(pd->parent1)); printf("parent2: %s\n", revhash_string(pd->parent2)); printf("entries: %d\n\n", pd->size()); pd->root().print(); } #ifdef APPMAIN int main(int argc, char *argv[]) { testread(); return 0; } #endif