|
a/src/query/wasastringtoquery.h |
|
b/src/query/wasastringtoquery.h |
1 |
#ifndef _WASASTRINGTOQUERY_H_INCLUDED_
|
1 |
#ifndef _WASASTRINGTOQUERY_H_INCLUDED_
|
2 |
#define _WASASTRINGTOQUERY_H_INCLUDED_
|
2 |
#define _WASASTRINGTOQUERY_H_INCLUDED_
|
3 |
/* @(#$Id: wasastringtoquery.h,v 1.1 2006-11-30 18:12:16 dockes Exp $ (C) 2006 J.F.Dockes */
|
3 |
/* @(#$Id: wasastringtoquery.h,v 1.2 2006-12-08 10:54:38 dockes Exp $ (C) 2006 J.F.Dockes */
|
4 |
/*
|
4 |
/*
|
5 |
* This program is free software; you can redistribute it and/or modify
|
5 |
* This program is free software; you can redistribute it and/or modify
|
6 |
* it under the terms of the GNU General Public License as published by
|
6 |
* it under the terms of the GNU General Public License as published by
|
7 |
* the Free Software Foundation; either version 2 of the License, or
|
7 |
* the Free Software Foundation; either version 2 of the License, or
|
8 |
* (at your option) any later version.
|
8 |
* (at your option) any later version.
|
|
... |
|
... |
22 |
#include <vector>
|
22 |
#include <vector>
|
23 |
|
23 |
|
24 |
using std::string;
|
24 |
using std::string;
|
25 |
using std::vector;
|
25 |
using std::vector;
|
26 |
|
26 |
|
|
|
27 |
/**
|
27 |
// A simple class to represent a parsed wasabi query string.
|
28 |
* A simple class to represent a parsed wasabiSimple query
|
|
|
29 |
* string. Can hold a string value or an array of subqueries.
|
|
|
30 |
* The value can hold one or several words. In the latter case, it should
|
|
|
31 |
* be interpreted as a phrase (comes from a user-entered "quoted string").
|
|
|
32 |
*/
|
28 |
class WasaQuery {
|
33 |
class WasaQuery {
|
29 |
public:
|
34 |
public:
|
30 |
enum Op {OP_NULL, OP_LEAF, OP_EXCL, OP_OR, OP_AND};
|
35 |
enum Op {OP_NULL, OP_LEAF, OP_EXCL, OP_OR, OP_AND};
|
31 |
typedef vector<WasaQuery*> subqlist_t;
|
36 |
typedef vector<WasaQuery*> subqlist_t;
|
32 |
|
37 |
|
33 |
WasaQuery() : m_op(OP_NULL) {}
|
38 |
WasaQuery() : m_op(OP_NULL) {}
|
34 |
~WasaQuery();
|
39 |
~WasaQuery();
|
35 |
|
40 |
|
36 |
// Get string describing this query
|
41 |
// Get string describing the query tree from this point
|
37 |
void describe(string &desc) const;
|
42 |
void describe(string &desc) const;
|
38 |
|
43 |
|
39 |
WasaQuery::Op m_op;
|
44 |
WasaQuery::Op m_op;
|
40 |
string m_fieldspec;
|
45 |
string m_fieldspec;
|
|
|
46 |
/* Valid for op == OP_LEAF */
|
|
|
47 |
string m_value;
|
|
|
48 |
/* Valid for conjunctions */
|
41 |
vector<WasaQuery*> m_subs;
|
49 |
vector<WasaQuery*> m_subs;
|
42 |
string m_value;
|
|
|
43 |
};
|
50 |
};
|
44 |
|
51 |
|
45 |
|
52 |
|
46 |
// Wasabi query string parser class.
|
53 |
/**
|
|
|
54 |
* Wasabi query string parser class. Could be a simple function
|
|
|
55 |
* really, but there might be some parser initialization work done in
|
|
|
56 |
* the constructor.
|
|
|
57 |
*/
|
47 |
class StringToWasaQuery {
|
58 |
class StringToWasaQuery {
|
48 |
public:
|
59 |
public:
|
49 |
StringToWasaQuery();
|
60 |
StringToWasaQuery();
|
50 |
~StringToWasaQuery();
|
61 |
~StringToWasaQuery();
|
51 |
WasaQuery *stringToQuery(const string& str, string& reason);
|
62 |
WasaQuery *stringToQuery(const string& str, string& reason);
|