170 lines
4.2 KiB
C++
170 lines
4.2 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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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 Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 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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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Search with different methods.
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// ------------------------------------------------------------------
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#include <gmemdbg.h>
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#include <gsearch.h>
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#include <gwildmat.h>
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#include <gregex.h>
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#include <gfuzzy.h>
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#include <gbmh.h>
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// ------------------------------------------------------------------
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gsearch::gsearch() {
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regexp = NULL;
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fuzzyp = NULL;
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plainp = NULL;
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type = plain;
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case_sensitive = false;
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reverse = false;
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fuzzydegree = 1;
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score_success = 1;
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score_failure = 0;
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score = 0;
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found = false;
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}
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// ------------------------------------------------------------------
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gsearch::~gsearch() {
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delete regexp;
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delete fuzzyp;
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delete plainp;
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}
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// ------------------------------------------------------------------
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void gsearch::set_pattern(const char* a) {
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delete regexp; regexp = NULL;
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delete fuzzyp; fuzzyp = NULL;
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delete plainp; plainp = NULL;
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pattern = a;
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}
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// ------------------------------------------------------------------
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bool gsearch::search(const string& str) {
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int discard_result;
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return search(str, discard_result);
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}
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// ------------------------------------------------------------------
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bool gsearch::search(const string& str, int& result) {
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return search(str.c_str(), result);
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}
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// ------------------------------------------------------------------
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bool gsearch::search(const char* str) {
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int discard_result;
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return search(str, discard_result);
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}
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// ------------------------------------------------------------------
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bool gsearch::search(const char* str, int& result) {
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found = false;
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switch(type) {
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case regex:
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if(regexp == NULL) {
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regexp = new gregex;
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throw_new(regexp);
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regexp->compile(pattern.c_str(), gregex::extended | (case_sensitive ? 0 : gregex::icase));
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}
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found = regexp->match(str);
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break;
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case wildcard:
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found = gwildmat(str, pattern.c_str(), not case_sensitive);
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break;
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case fuzzy:
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if(fuzzyp == NULL) {
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fuzzyp = new gfuzzy;
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throw_new(fuzzyp);
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fuzzyp->init(pattern.c_str(), fuzzydegree, case_sensitive);
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}
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found = fuzzyp->findfirst(str);
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break;
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case plain:
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if(plainp == NULL) {
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plainp = new gbmh;
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throw_new(plainp);
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plainp->init(pattern.c_str(), not case_sensitive);
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}
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found = plainp->find(str);
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break;
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}
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if(reverse)
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score = score_failure;
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else
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score = score_success;
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result = score;
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return found;
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}
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// ------------------------------------------------------------------
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gsearch& gsearch::operator=(const gsearch& a) {
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regexp = NULL;
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fuzzyp = NULL;
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plainp = NULL;
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id = a.id;
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pattern = a.pattern;
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type = a.type;
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case_sensitive = a.case_sensitive;
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reverse = a.reverse;
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score_success = a.score_success;
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score_failure = a.score_failure;
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return *this;
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}
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// ------------------------------------------------------------------
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