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/* This file is part of Strigi Desktop Search
*
* Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <strigi/analyzerconfiguration.h>
#include <strigi/strigiconfig.h>
#include "strigi_fnmatch.h"
#include <strigi/fieldproperties.h>
#include <strigi/fieldpropertiesdb.h>
using namespace std;
using namespace Strigi;
class Strigi::AnalyzerConfigurationPrivate {
public:
/**
* @brief Describes a pattern to be applied when deciding whether to
* index a file or directory.
*/
struct Pattern {
std::string pattern; /**< The pattern itself. */
bool matchfullpath; /**< Apply the pattern to the full path, rather
than just the file/directory name. */
bool include; /**< True: a match to this pattern should cause the file
or directory to be indexed.
False: a match to this pattern should prevent the
file or directory from being indexed. */
};
/**
* @brief Patterns to be applied to file names or paths.
*/
std::vector<Pattern> m_patterns;
/**
* @brief Patterns to be applied to directory names or paths.
*/
std::vector<Pattern> m_dirpatterns;
/**
* @brief The original filters from which @c m_patterns and
* @c m_dirpatterns were constructed.
*/
std::vector<std::pair<bool,std::string> > m_filters;
FieldRegister m_fieldregister;
bool indexArchiveContents;
AnalyzerConfigurationPrivate()
: indexArchiveContents( true ) {
}
};
AnalyzerConfiguration::FieldType
operator|(AnalyzerConfiguration::FieldType a, AnalyzerConfiguration::FieldType b){
return static_cast<AnalyzerConfiguration::FieldType>((int)a|(int)b);
}
AnalyzerConfiguration::AnalyzerConfiguration()
:p(new AnalyzerConfigurationPrivate()) {
// fprintf(stderr, "AnalyzerConfiguration\n");
FieldPropertiesDb::db();
}
AnalyzerConfiguration::~AnalyzerConfiguration() {
delete p;
}
/**
* Returns indexing flags from the fieldproperties DB associated to
* the registered field.
**/
AnalyzerConfiguration::FieldType
AnalyzerConfiguration::indexType(const RegisteredField* field) const {
AnalyzerConfiguration::FieldType type = None;
const FieldProperties& prop = field->properties();
if (prop.binary()) { type = type|Binary; }
if (prop.compressed()) { type = type|Compressed; }
if (prop.indexed()) { type = type|Indexed; }
if (prop.stored()) { type = type|Stored; }
if (prop.tokenized()) { type = type|Tokenized; }
return type;
}
bool
AnalyzerConfiguration::indexFile(const char* path, const char* filename) const {
vector<AnalyzerConfigurationPrivate::Pattern>::const_iterator i;
for (i = p->m_patterns.begin(); i != p->m_patterns.end(); ++i) {
bool match;
if (i->matchfullpath) {
match = FNM_NOMATCH != fnmatch(i->pattern.c_str(), path,
FNM_PERIOD);
} else {
match = FNM_NOMATCH != fnmatch(i->pattern.c_str(), filename,
FNM_PERIOD);
}
if (match) {
return i->include;
}
}
return true;
}
bool
AnalyzerConfiguration::indexArchiveContents() const {
return p->indexArchiveContents;
}
void
AnalyzerConfiguration::setIndexArchiveContents( bool b ) {
p->indexArchiveContents = b;
}
bool
AnalyzerConfiguration::indexDir(const char* path, const char* filename) const {
vector<AnalyzerConfigurationPrivate::Pattern>::const_iterator i;
for (i = p->m_dirpatterns.begin(); i != p->m_dirpatterns.end(); ++i) {
bool match;
if (i->matchfullpath) {
match = FNM_NOMATCH != fnmatch(i->pattern.c_str(), path,
FNM_PERIOD);
} else {
match = FNM_NOMATCH != fnmatch(i->pattern.c_str(), filename,
FNM_PERIOD);
}
if (match) {
return i->include;
}
}
return true;
}
/**
* We need to transform the incoming patterns like this: */
// a -> a
// .* -> .*
// * -> *
// a/ -> */a/*
// .*/ -> */.*
void
AnalyzerConfiguration::setFilters(
const std::vector<std::pair<bool,std::string> >& f) {
p->m_filters = f;
vector<pair<bool,string> >::const_iterator i;
p->m_patterns.clear();
p->m_dirpatterns.clear();
for (i = p->m_filters.begin(); i != p->m_filters.end(); ++i) {
string s = i->second;
if (s.length()) {
AnalyzerConfigurationPrivate::Pattern p;
p.include = i->first;
size_t sp = s.rfind('/');
if (sp == s.length()-1) { // directory pattern (it ends with '/')
// if the path contains another '/', match the entire path
sp = s.rfind('/', s.length()-2);
p.matchfullpath = sp != string::npos;
// remove the terminating '/'
p.pattern = s.substr(0, s.length()-1);
this->p->m_dirpatterns.push_back(p);
} else { // file pattern
// if the path contains a '/', match the entire path
p.matchfullpath = sp != string::npos;
p.pattern = s;
this->p->m_patterns.push_back(p);
}
}
}
}
const std::vector<std::pair<bool,std::string> >&
AnalyzerConfiguration::filters() const {
return p->m_filters;
}
FieldRegister&
AnalyzerConfiguration::fieldRegister() {
return p->m_fieldregister;
}
const FieldRegister&
AnalyzerConfiguration::fieldRegister() const {
return p->m_fieldregister;
}
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