/* Copyright (C) 2004 J.F.Dockes
* 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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "autoconfig.h"
#include <errno.h>
#include "rclconfig.h"
#include "pxattr.h"
#include "debuglog.h"
#include "cstr.h"
#include "rcldoc.h"
#include "execmd.h"
using std::string;
using std::map;
static void docfieldfrommeta(RclConfig* cfg, const string& name,
const string &value, Rcl::Doc& doc)
{
string fieldname = cfg->fieldCanon(name);
LOGDEB0(("Internfile:: setting [%s] from cmd/xattr value [%s]\n",
fieldname.c_str(), value.c_str()));
if (fieldname == cstr_dj_keymd) {
doc.dmtime = value;
} else {
doc.meta[fieldname] = value;
}
}
void reapXAttrs(const RclConfig* cfg, const string& path,
map<string, string>& xfields)
{
LOGDEB2(("reapXAttrs: [%s]\n", path.c_str()));
#ifndef _WIN32
// Retrieve xattrs names from files and mapping table from config
vector<string> xnames;
if (!pxattr::list(path, &xnames)) {
LOGERR(("FileInterner::reapXattrs: pxattr::list: errno %d\n", errno));
return;
}
const map<string, string>& xtof = cfg->getXattrToField();
// Record the xattrs: names found in the config are either skipped
// or mapped depending if the translation is empty. Other names
// are recorded as-is
for (vector<string>::const_iterator it = xnames.begin();
it != xnames.end(); it++) {
string key = *it;
map<string, string>::const_iterator mit = xtof.find(*it);
if (mit != xtof.end()) {
if (mit->second.empty()) {
continue;
} else {
key = mit->second;
}
}
string value;
if (!pxattr::get(path, *it, &value, pxattr::PXATTR_NOFOLLOW)) {
LOGERR(("FileInterner::reapXattrs: pxattr::get failed"
"for %s, errno %d\n", (*it).c_str(), errno));
continue;
}
// Encode should we ?
xfields[key] = value;
LOGDEB2(("reapXAttrs: [%s] -> [%s]\n", key.c_str(), value.c_str()));
}
#endif
}
void docFieldsFromXattrs(RclConfig *cfg, const map<string, string>& xfields,
Rcl::Doc& doc)
{
for (map<string,string>::const_iterator it = xfields.begin();
it != xfields.end(); it++) {
docfieldfrommeta(cfg, it->first, it->second, doc);
}
}
void reapMetaCmds(RclConfig* cfg, const string& path,
map<string, string>& cfields)
{
const vector<MDReaper>& reapers = cfg->getMDReapers();
if (reapers.empty())
return;
map<char,string> smap = create_map<char, string>('f', path);
for (vector<MDReaper>::const_iterator rp = reapers.begin();
rp != reapers.end(); rp++) {
vector<string> cmd;
for (vector<string>::const_iterator it = rp->cmdv.begin();
it != rp->cmdv.end(); it++) {
string s;
pcSubst(*it, s, smap);
cmd.push_back(s);
}
string output;
if (ExecCmd::backtick(cmd, output)) {
cfields[rp->fieldname] = output;
}
}
}
// Set fields from external commands
// These override those from xattrs and can be later augmented by
// values from inside the file.
//
// This is a bit atrocious because some entry names are special:
// "modificationdate" will set mtime instead of an ordinary field,
// and the output from anything beginning with "rclmulti" will be
// interpreted as multiple fields in configuration file format...
void docFieldsFromMetaCmds(RclConfig *cfg, const map<string, string>& cfields,
Rcl::Doc& doc)
{
for (map<string,string>::const_iterator it = cfields.begin();
it != cfields.end(); it++) {
if (!it->first.compare(0, 8, "rclmulti")) {
ConfSimple simple(it->second);
if (simple.ok()) {
vector<string> names = simple.getNames("");
for (vector<string>::const_iterator nm = names.begin();
nm != names.end(); nm++) {
string value;
if (simple.get(*nm, value)) {
docfieldfrommeta(cfg, *nm, value, doc);
}
}
}
} else {
docfieldfrommeta(cfg, it->first, it->second, doc);
}
}
}