#ifndef lint
static char rcsid[] = "@(#$Id: rclconfig.cpp,v 1.31 2006-10-16 15:33:08 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* 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.
*/
#ifndef TEST_RCLCONFIG
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <langinfo.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef __FreeBSD__
#include <osreldate.h>
#endif
#include <iostream>
#include "pathut.h"
#include "rclconfig.h"
#include "conftree.h"
#include "debuglog.h"
#include "smallut.h"
#ifndef NO_NAMESPACES
using namespace std;
#endif /* NO_NAMESPACES */
RclConfig::RclConfig(const string *argcnf)
{
zeroMe();
// Compute our data dir name, typically /usr/local/share/recoll
const char *cdatadir = getenv("RECOLL_DATADIR");
if (cdatadir == 0) {
// If not in environment, use the compiled-in constant.
m_datadir = RECOLL_DATADIR;
} else {
m_datadir = cdatadir;
}
// Command line config name overrides environment
if (argcnf && !argcnf->empty()) {
m_confdir = *argcnf;
} else {
const char *cp = getenv("RECOLL_CONFDIR");
if (cp) {
m_confdir = cp;
} else {
m_confdir = path_home();
m_confdir += ".recoll/";
}
}
if (access(m_confdir.c_str(), 0) < 0) {
if (!initUserConfig())
return;
}
list<string>cfns;
string cpath;
cpath = path_cat(m_confdir, "recoll.conf");
cfns.push_back(cpath);
cpath = path_cat(m_datadir, "examples/recoll.conf");
cfns.push_back(cpath);
m_conf = new ConfStack<ConfTree>(cfns, true);
if (m_conf == 0 || !m_conf->ok()) {
m_reason = string("No main configuration file: ");
for (list<string>::const_iterator it = cfns.begin(); it != cfns.end();
it++)
m_reason += "[" + *it + "] ";
m_reason += " do not exist or cannot be parsed";
return;
}
cfns.clear();
cpath = path_cat(m_confdir, "mimemap");
cfns.push_back(cpath);
cpath = path_cat(m_datadir, "examples/mimemap");
cfns.push_back(cpath);
mimemap = new ConfStack<ConfTree>(cfns, true);
if (mimemap == 0 || !mimemap->ok()) {
m_reason = string("No mime map configuration file: ");
for (list<string>::const_iterator it = cfns.begin(); it != cfns.end();
it++)
m_reason += "[" + *it + "] ";
m_reason += " do not exist or cannot be parsed";
return;
}
cfns.clear();
cpath = path_cat(m_confdir, "mimeconf");
cfns.push_back(cpath);
cpath = path_cat(m_datadir, "examples/mimeconf");
cfns.push_back(cpath);
mimeconf = new ConfStack<ConfTree>(cfns, true);
if (mimeconf == 0 || !mimeconf->ok()) {
m_reason = string("No mime configuration file: ");
for (list<string>::const_iterator it = cfns.begin(); it != cfns.end();
it++)
m_reason += "[" + *it + "] ";
m_reason += " do not exist or cannot be parsed";
return;
}
setKeyDir("");
m_ok = true;
return;
}
bool RclConfig::getConfParam(const std::string &name, int *ivp)
{
string value;
if (!getConfParam(name, value))
return false;
errno = 0;
long lval = strtol(value.c_str(), 0, 0);
if (lval == 0 && errno)
return 0;
if (ivp)
*ivp = int(lval);
return true;
}
bool RclConfig::getConfParam(const std::string &name, bool *bvp)
{
if (!bvp)
return false;
*bvp = false;
string s;
if (!getConfParam(name, s))
return false;
*bvp = stringToBool(s);
return true;
}
list<string> RclConfig::getTopdirs()
{
list<string> tdl;
// Retrieve the list of directories to be indexed.
string topdirs;
if (!getConfParam("topdirs", topdirs)) {
LOGERR(("RclConfig::getTopdirs: no top directories in config\n"));
return tdl;
}
if (!stringToStrings(topdirs, tdl)) {
LOGERR(("RclConfig::getTopdirs: parse error for directory list\n"));
return tdl;
}
for (list<string>::iterator it = tdl.begin(); it != tdl.end(); it++) {
*it = path_tildexpand(*it);
*it = path_canon(*it);
}
return tdl;
}
// Get charset to be used for transcoding to utf-8 if unspecified by doc
// For document contents:
// If defcharset was set (from the config or a previous call), use it.
// Else, try to guess it from the locale
// Use iso8859-1 as ultimate default
// defcharset is reset on setKeyDir()
// For filenames, same thing except that we do not use the config file value
// (only the locale).
const string& RclConfig::getDefCharset(bool filename)
{
static string localecharset; // This supposedly never changes
if (localecharset.empty()) {
const char *cp;
cp = nl_langinfo(CODESET);
// We don't keep US-ASCII. It's better to use a superset
// Ie: me have a C locale and some french file names, and I
// can't imagine a version of iconv that couldn't translate
// from iso8859?
// The 646 thing is for solaris.
if (cp && *cp && strcmp(cp, "US-ASCII")
#ifdef sun
&& strcmp(cp, "646")
#endif
) {
localecharset = string(cp);
} else {
// Note: it seems that all versions of iconv will take
// iso-8859. Some won't take iso8859
localecharset = string("ISO-8859-1");
}
}
if (defcharset.empty()) {
defcharset = localecharset;
}
if (filename) {
return localecharset;
} else {
return defcharset;
}
}
// Get all known document mime values. We get them from the mimeconf
// 'index' submap: values not in there (ie from mimemap or idfile) can't
// possibly belong to documents in the database.
std::list<string> RclConfig::getAllMimeTypes()
{
std::list<string> lst;
if (mimeconf == 0)
return lst;
// mimeconf->sortwalk(mtypesWalker, &lst);
lst = mimeconf->getNames("index");
lst.sort();
lst.unique();
return lst;
}
bool RclConfig::getStopSuffixes(list<string>& sufflist)
{
if (stopsuffixes == 0 && (stopsuffixes = new list<string>) != 0) {
string stp;
if (mimemap && mimemap->get("recoll_noindex", stp, m_keydir)) {
stringToStrings(stp, *stopsuffixes);
}
}
if (stopsuffixes) {
sufflist = *stopsuffixes;
return true;
}
return false;
}
string RclConfig::getMimeTypeFromSuffix(const string &suff)
{
string mtype;
mimemap->get(suff, mtype, m_keydir);
return mtype;
}
string RclConfig::getMimeHandlerDef(const std::string &mtype)
{
string hs;
if (!mimeconf->get(mtype, hs, "index")) {
LOGDEB(("getMimeHandler: no handler for '%s'\n", mtype.c_str()));
}
return hs;
}
string RclConfig::getMimeViewerDef(const string &mtype)
{
string hs;
mimeconf->get(mtype, hs, "view");
return hs;
}
/**
* Return icon name and path
*/
string RclConfig::getMimeIconName(const string &mtype, string *path)
{
string iconname;
mimeconf->get(mtype, iconname, "icons");
if (iconname.empty())
iconname = "document";
if (path) {
string iconsdir;
#if defined (__FreeBSD__) && __FreeBSD_version < 500000
// gcc 2.95 dies if we call getConfParam here ??
if (m_conf) m_conf->get(string("iconsdir"), iconsdir, m_keydir);
#else
getConfParam("iconsdir", iconsdir);
#endif
if (iconsdir.empty()) {
iconsdir = path_cat(m_datadir, "images");
} else {
iconsdir = path_tildexpand(iconsdir);
}
*path = path_cat(iconsdir, iconname) + ".png";
}
return iconname;
}
string RclConfig::getDbDir()
{
string dbdir;
if (!getConfParam("dbdir", dbdir)) {
LOGERR(("RclConfig::getDbDir: no db directory in configuration\n"));
} else {
dbdir = path_tildexpand(dbdir);
// If not an absolute path, compute relative to config dir
if (dbdir.at(0) != '/') {
LOGDEB1(("Dbdir not abs, catting with confdir\n"));
dbdir = path_cat(m_confdir, dbdir);
}
}
LOGDEB1(("RclConfig::getDbDir: dbdir: [%s]\n", dbdir.c_str()));
return dbdir;
}
// Look up an executable filter. We look in $RECOLL_FILTERSDIR,
// filtersdir in config file, then let the system use the PATH
string RclConfig::findFilter(const string &icmd)
{
// If the path is absolute, this is it
if (icmd[0] == '/')
return icmd;
string cmd;
const char *cp;
// Filters dir from environment ?
if ((cp = getenv("RECOLL_FILTERSDIR"))) {
cmd = path_cat(cp, icmd);
if (access(cmd.c_str(), X_OK) == 0)
return cmd;
}
// Filters dir as configuration parameter?
if (getConfParam(string("filtersdir"), cmd)) {
cmd = path_cat(cmd, icmd);
if (access(cmd.c_str(), X_OK) == 0)
return cmd;
}
// Filters dir as datadir subdir. Actually the standard case, but
// this is normally the same value found in config file (previous step)
cmd = path_cat(m_datadir, "filters");
cmd = path_cat(cmd, icmd);
if (access(cmd.c_str(), X_OK) == 0)
return cmd;
// Last resort for historical reasons: check in personal config
// directory
cmd = path_cat(getConfDir(), icmd);
if (access(cmd.c_str(), X_OK) == 0)
return cmd;
// Let the shell try to find it...
return icmd;
}
/**
* Return decompression command line for given mime type
*/
bool RclConfig::getUncompressor(const string &mtype, list<string>& cmd)
{
string hs;
mimeconf->get(mtype, hs, "");
if (hs.empty())
return false;
list<string> tokens;
stringToStrings(hs, tokens);
if (tokens.empty()) {
LOGERR(("getUncompressor: empty spec for mtype %s\n", mtype.c_str()));
return false;
}
if (stringlowercmp("uncompress", tokens.front()))
return false;
list<string>::iterator it = tokens.begin();
cmd.assign(++it, tokens.end());
return true;
}
static const char blurb0[] =
"# The system-wide configuration files for recoll are located in:\n"
"# %s\n"
"# The default configuration files are commented, you should take a look\n"
"# at them for an explanation of what can be set (you could also take a look\n"
"# at the manual instead).\n"
"# Values set in this file will override the system-wide values for the file\n"
"# with the same name in the central directory. The syntax for setting\n"
"# values is identical.\n"
;
// Create initial user config by creating commented empty files
static const char *configfiles[] = {"recoll.conf", "mimemap", "mimeconf"};
static int ncffiles = sizeof(configfiles) / sizeof(char *);
bool RclConfig::initUserConfig()
{
// Explanatory text
char blurb[sizeof(blurb0)+1025];
string exdir = path_cat(m_datadir, "examples");
sprintf(blurb, blurb0, exdir.c_str());
// Use protective 700 mode to create the top configuration
// directory: documents can be reconstructed from index data.
if (access(m_confdir.c_str(), 0) < 0 &&
mkdir(m_confdir.c_str(), 0700) < 0) {
m_reason += string("mkdir(") + m_confdir + ") failed: " +
strerror(errno);
return false;
}
for (int i = 0; i < ncffiles; i++) {
string dst = path_cat(m_confdir, string(configfiles[i]));
if (access(dst.c_str(), 0) < 0) {
FILE *fp = fopen(dst.c_str(), "w");
if (fp) {
fprintf(fp, "%s\n", blurb);
fclose(fp);
} else {
m_reason += string("fopen ") + dst + ": " + strerror(errno);
return false;
}
}
}
return true;
}
void RclConfig::initFrom(const RclConfig& r)
{
zeroMe();
if (!(m_ok = r.m_ok))
return;
m_reason = r.m_reason;
m_confdir = r.m_confdir;
m_datadir = r.m_datadir;
m_keydir = r.m_datadir;
// We should use reference-counted objects instead!
if (r.m_conf)
m_conf = new ConfStack<ConfTree>(*(r.m_conf));
if (r.mimemap)
mimemap = new ConfStack<ConfTree>(*(r.mimemap));
if (r.mimeconf)
mimeconf = new ConfStack<ConfTree>(*(r.mimeconf));
if (r.stopsuffixes)
stopsuffixes = new std::list<std::string>(*(r.stopsuffixes));
defcharset = r.defcharset;
guesscharset = r.guesscharset;
}
#else // -> Test
#include <stdio.h>
#include <signal.h>
#include <sys/stat.h>
#include <iostream>
#include <list>
#include <string>
using namespace std;
#include "debuglog.h"
#include "rclinit.h"
#include "rclconfig.h"
int main(int, const char **)
{
string reason;
RclConfig *config = recollinit(0, 0, reason);
if (config == 0 || !config->ok()) {
cerr << "Configuration problem: " << reason << endl;
exit(1);
}
list<string> names = config->getConfNames("");
names.sort();
names.unique();
for (list<string>::iterator it = names.begin(); it != names.end();it++) {
string value;
config->getConfParam(*it, value);
cout << *it << " -> [" << value << "]" << endl;
}
}
#endif // TEST_RCLCONFIG