1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef XMLParserInput_h
32#define XMLParserInput_h
33
34#include "wtf/text/WTFString.h"
35
36namespace blink {
37
38class XMLParserInput {
39public:
40    explicit XMLParserInput(const String& source)
41        : m_source(source)
42        , m_encoding(0)
43        , m_data(0)
44        , m_size(0)
45    {
46        if (m_source.isEmpty())
47            return;
48
49        const UChar BOM = 0xFEFF;
50        const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
51
52        if (m_source.is8Bit()) {
53            m_encoding = "iso-8859-1";
54            m_data = reinterpret_cast<const char*>(m_source.characters8());
55            m_size = m_source.length() * sizeof(LChar);
56        } else {
57            m_encoding = BOMHighByte == 0xFF ? "UTF-16LE" : "UTF-16BE";
58            m_data = reinterpret_cast<const char*>(m_source.characters16());
59            m_size = m_source.length() * sizeof(UChar);
60        }
61    }
62
63    const char* encoding() const { return m_encoding; }
64    const char* data() const { return m_data; }
65    int size() const { return m_size; }
66
67private:
68    String m_source;
69    const char* m_encoding;
70    const char* m_data;
71    int m_size;
72};
73
74}
75
76#endif
77