source: NonGTP/Xerces/xercesc/util/regx/Token.hpp @ 188

Revision 188, 10.1 KB checked in by mattausch, 19 years ago (diff)

added xercesc to support
Line 
1/*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 *    if any, must include the following acknowledgment:
21 *       "This product includes software developed by the
22 *        Apache Software Foundation (http://www.apache.org/)."
23 *    Alternately, this acknowledgment may appear in the software itself,
24 *    if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Xerces" and "Apache Software Foundation" must
27 *    not be used to endorse or promote products derived from this
28 *    software without prior written permission. For written
29 *    permission, please contact apache\@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 *    nor may "Apache" appear in their name, without prior written
33 *    permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation, and was
51 * originally based on software copyright (c) 2001, International
52 * Business Machines, Inc., http://www.ibm.com .  For more information
53 * on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57/*
58 * $Id: Token.hpp,v 1.7 2003/12/17 00:18:37 cargilld Exp $
59 */
60
61#if !defined(TOKEN_HPP)
62#define TOKEN_HPP
63
64// ---------------------------------------------------------------------------
65//  Includes
66// ---------------------------------------------------------------------------
67#include <xercesc/util/RuntimeException.hpp>
68#include <xercesc/util/PlatformUtils.hpp>
69
70XERCES_CPP_NAMESPACE_BEGIN
71
72// ---------------------------------------------------------------------------
73//  Forward Declaration
74// ---------------------------------------------------------------------------
75class RangeToken;
76class TokenFactory;
77
78
79class XMLUTIL_EXPORT Token : public XMemory
80{
81public:
82        // -----------------------------------------------------------------------
83    //  Public Constructors and Destructor
84    // -----------------------------------------------------------------------
85        Token(const unsigned short tokType
86        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
87        );
88        virtual ~Token();
89
90        // -----------------------------------------------------------------------
91    //  Public Constants
92    // -----------------------------------------------------------------------
93        // Token types
94        enum {
95                T_CHAR = 0,
96                T_CONCAT = 1,
97                T_UNION = 2,
98                T_CLOSURE = 3,
99                T_RANGE = 4,
100                T_NRANGE = 5,
101                T_PAREN = 6,
102                T_EMPTY = 7,
103                T_ANCHOR = 8,
104                T_NONGREEDYCLOSURE = 9,
105                T_STRING = 10,
106                T_DOT = 11,
107                T_BACKREFERENCE = 12,
108                T_LOOKAHEAD = 20,
109                T_NEGATIVELOOKAHEAD = 21,
110                T_LOOKBEHIND = 22,
111                T_NEGATIVELOOKBEHIND = 23,
112                T_INDEPENDENT = 24,
113                T_MODIFIERGROUP = 25,
114                T_CONDITION = 26
115        };
116
117        static const XMLInt32           UTF16_MAX;
118        static const unsigned short FC_CONTINUE;
119        static const unsigned short FC_TERMINAL;
120        static const unsigned short FC_ANY;
121
122        // -----------------------------------------------------------------------
123    //  Getter methods
124    // -----------------------------------------------------------------------
125        unsigned short       getTokenType() const;
126        int                  getMinLength() const;
127    int                  getMaxLength() const;
128        virtual Token*       getChild(const int index) const;
129        virtual int          size() const;
130    virtual int          getMin() const;
131    virtual int          getMax() const;
132    virtual int          getNoParen() const;
133        virtual int          getReferenceNo() const;
134    virtual const XMLCh* getString() const;
135        virtual XMLInt32     getChar() const;
136
137        // -----------------------------------------------------------------------
138    //  Setter methods
139    // -----------------------------------------------------------------------
140        void setTokenType(const unsigned short tokType);
141        virtual void setMin(const int minVal);
142        virtual void setMax(const int maxVal);
143
144    // -----------------------------------------------------------------------
145    //  Range manipulation methods
146    // -----------------------------------------------------------------------
147        virtual void addRange(const XMLInt32 start, const XMLInt32 end);
148        virtual void mergeRanges(const Token *const tok);
149        virtual void sortRanges();
150        virtual void compactRanges();
151        virtual void subtractRanges(RangeToken* const tok);
152        virtual void intersectRanges(RangeToken* const tok);
153
154        // -----------------------------------------------------------------------
155    //  Putter methods
156    // -----------------------------------------------------------------------
157        virtual void addChild(Token* const child, TokenFactory* const tokFactory);
158
159        // -----------------------------------------------------------------------
160    //  Helper methods
161    // -----------------------------------------------------------------------
162        int analyzeFirstCharacter(RangeToken* const rangeTok, const int options,
163                              TokenFactory* const tokFactory);
164    Token* findFixedString(int options, int& outOptions);
165
166private:
167        // -----------------------------------------------------------------------
168    //  Unimplemented constructors and operators
169    // -----------------------------------------------------------------------
170    Token(const Token&);
171    Token& operator=(const Token&);
172
173    // -----------------------------------------------------------------------
174    //  Private Helper methods
175    // -----------------------------------------------------------------------
176        bool isSet(const int options, const unsigned int flag);
177    bool isShorterThan(Token* const tok);
178
179        // -----------------------------------------------------------------------
180    //  Private data members
181        // -----------------------------------------------------------------------
182        unsigned short fTokenType;
183protected:
184    MemoryManager* const    fMemoryManager;
185};
186
187
188// ---------------------------------------------------------------------------
189//  Token: getter methods
190// ---------------------------------------------------------------------------
191inline unsigned short Token::getTokenType() const {
192
193        return fTokenType;
194}
195
196inline int Token::size() const {
197
198        return 0;
199}
200
201inline Token* Token::getChild(const int) const {
202
203        return 0;
204}
205
206inline int Token::getMin() const {
207
208    return -1;
209}
210
211inline int Token::getMax() const {
212
213    return -1;
214}
215
216inline int Token::getReferenceNo() const {
217
218    return 0;
219}
220
221inline int Token::getNoParen() const {
222
223    return 0;
224}
225
226inline const XMLCh* Token::getString() const {
227
228    return 0;
229}
230
231inline XMLInt32 Token::getChar() const {
232
233    return -1;
234}
235
236// ---------------------------------------------------------------------------
237//  Token: setter methods
238// ---------------------------------------------------------------------------
239inline void Token::setTokenType(const unsigned short tokType) {
240       
241        fTokenType = tokType;
242}
243
244inline void Token::setMax(const int) {
245        // ClosureToken
246}
247
248inline void Token::setMin(const int) {
249        // ClosureToken
250}
251
252inline bool Token::isSet(const int options, const unsigned int flag) {
253
254        return (options & flag) == flag;
255}
256
257// ---------------------------------------------------------------------------
258//  Token: setter methods
259// ---------------------------------------------------------------------------
260inline void Token::addChild(Token* const, TokenFactory* const) {
261
262    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
263}
264
265// ---------------------------------------------------------------------------
266//  Token: Range manipulation methods
267// ---------------------------------------------------------------------------
268inline void Token::addRange(const XMLInt32, const XMLInt32) {
269
270    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
271}
272
273inline void Token::mergeRanges(const Token *const) {
274
275    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
276}
277
278inline void Token::sortRanges() {
279
280    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
281}
282
283inline void Token::compactRanges() {
284
285    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
286}
287
288inline void Token::subtractRanges(RangeToken* const) {
289
290    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
291}
292
293inline void Token::intersectRanges(RangeToken* const) {
294
295    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager);
296}
297
298XERCES_CPP_NAMESPACE_END
299
300#endif
301
302/**
303  * End of file Token.hpp
304  */
305
Note: See TracBrowser for help on using the repository browser.