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81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/*
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* libcsync -- a library to sync a directory with another
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*
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* Copyright (c) 2012 by Olivier Goffart <ogoffart@woboq.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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extern "C" {
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#include "csync_private.h"
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}
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#include <map>
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#include <string>
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#include <vector>
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#include <algorithm>
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static std::string _parentDir(const std::string &path) {
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int len = path.length();
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while(len > 0 && path[len-1]!='/') len--;
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while(len > 0 && path[len-1]=='/') len--;
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return path.substr(0, len);
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}
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struct csync_rename_s {
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static csync_rename_s *get(CSYNC *ctx) {
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if (!ctx->rename_info) {
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ctx->rename_info = new csync_rename_s;
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}
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return reinterpret_cast<csync_rename_s *>(ctx->rename_info);
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}
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std::map<std::string, std::string> folder_renamed_to; // map from->to
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struct renameop {
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csync_file_stat_t *st;
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bool operator<(const renameop &other) const {
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return strlen(st->destpath) < strlen(other.st->destpath);
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}
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};
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std::vector<renameop> todo;
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};
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extern "C" {
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void csync_rename_destroy(CSYNC* ctx)
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{
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delete reinterpret_cast<csync_rename_s *>(ctx->rename_info);
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ctx->rename_info = 0;
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}
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void csync_rename_record(CSYNC* ctx, const char* from, const char* to)
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{
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csync_rename_s::get(ctx)->folder_renamed_to[from] = to;
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}
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char* csync_rename_adjust_path(CSYNC* ctx, const char* path)
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{
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csync_rename_s* d = csync_rename_s::get(ctx);
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for (std::string p = _parentDir(path); !p.empty(); p = _parentDir(p)) {
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std::map< std::string, std::string >::iterator it = d->folder_renamed_to.find(p);
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if (it != d->folder_renamed_to.end()) {
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std::string rep = it->second + (path + p.length());
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return c_strdup(rep.c_str());
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}
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}
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return c_strdup(path);
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}
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}
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