source: icXML/icXML-devel/src/xercesc/util/regx/RegxUtil.cpp @ 2722

Last change on this file since 2722 was 2722, checked in by cameron, 6 years ago

Original Xerces files with import mods for icxercesc

File size: 2.9 KB
Line 
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/*
19 * $Id: RegxUtil.cpp 678879 2008-07-22 20:05:05Z amassari $
20 */
21
22// ---------------------------------------------------------------------------
23//  Includes
24// ---------------------------------------------------------------------------
25#include <xercesc/util/regx/RegxUtil.hpp>
26#include <icxercesc/util/XMLString.hpp>
27
28XERCES_CPP_NAMESPACE_BEGIN
29
30XMLCh* RegxUtil::decomposeToSurrogates(XMLInt32 ch,
31                                       MemoryManager* const manager) {
32
33    XMLCh* pszStr = (XMLCh*) manager->allocate(3 *  sizeof(XMLCh));//new XMLCh[3];
34
35    decomposeToSurrogates(ch, pszStr[0], pszStr[1]);
36
37    pszStr[2] = chNull;
38
39    return pszStr;
40}
41
42
43XMLCh* RegxUtil::stripExtendedComment(const XMLCh* const expression,
44                                      MemoryManager* const manager) {
45
46    XMLCh* buffer = (manager) ? XMLString::replicate(expression, manager)
47                              : XMLString::replicate(expression);
48
49    if (buffer)
50    {
51        const XMLCh* inPtr = expression;
52        XMLCh* outPtr = buffer;
53
54        while (*inPtr) {
55
56            XMLCh ch = *inPtr++;
57
58            if (ch == chFF || ch == chCR || ch == chLF
59                || ch == chSpace || ch == chHTab) {
60                continue;
61            }
62
63            // Skips chracters between '#' and a line end.
64            if (ch == chPound) {
65
66                while (*inPtr) {
67
68                    ch = *inPtr++;
69                    if (ch == chLF || ch == chCR)
70                        break;
71                }
72
73                continue;
74            }
75
76            if (ch == chBackSlash && *inPtr) {
77
78                if ((ch = *inPtr++) == chPound || ch == chHTab || ch == chLF
79                    || ch == chFF || ch == chCR || ch == chSpace) {
80                    *outPtr++ = ch;
81                }
82                else { // Other escaped character.
83
84                    *outPtr++ = chBackSlash;
85                    *outPtr++ = ch;
86                }
87            }
88            else { // As is.
89                *outPtr++ = ch;
90            }
91        }
92
93        *outPtr = chNull; // null terminate
94    }
95
96    return buffer;
97}
98
99XERCES_CPP_NAMESPACE_END
100
101/**
102  * End of file RegxUtil.cpp
103  */
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