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/*
* libcsync -- a library to sync a directory with another
*
* Copyright (c) 2012 by Olivier Goffart <ogoffart@woboq.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
extern "C" {
#include "csync_private.h"
}
#include <map>
#include <string>
#include <vector>
#include <algorithm>
static std::string _parentDir(const std::string &path) {
int len = path.length();
while(len > 0 && path[len-1]!='/') len--;
while(len > 0 && path[len-1]=='/') len--;
return path.substr(0, len);
}
struct csync_rename_s {
static csync_rename_s *get(CSYNC *ctx) {
if (!ctx->rename_info) {
ctx->rename_info = new csync_rename_s;
}
return reinterpret_cast<csync_rename_s *>(ctx->rename_info);
}
std::map<std::string, std::string> folder_renamed_to; // map from->to
struct renameop {
csync_file_stat_t *st;
bool operator<(const renameop &other) const {
return strlen(st->destpath) < strlen(other.st->destpath);
}
};
std::vector<renameop> todo;
};
extern "C" {
void csync_rename_destroy(CSYNC* ctx)
{
delete reinterpret_cast<csync_rename_s *>(ctx->rename_info);
ctx->rename_info = 0;
}
void csync_rename_record(CSYNC* ctx, const char* from, const char* to)
{
csync_rename_s::get(ctx)->folder_renamed_to[from] = to;
}
char* csync_rename_adjust_path(CSYNC* ctx, const char* path)
{
csync_rename_s* d = csync_rename_s::get(ctx);
for (std::string p = _parentDir(path); !p.empty(); p = _parentDir(p)) {
std::map< std::string, std::string >::iterator it = d->folder_renamed_to.find(p);
if (it != d->folder_renamed_to.end()) {
std::string rep = it->second + (path + p.length());
return c_strdup(rep.c_str());
}
}
return c_strdup(path);
}
}
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