summaryrefslogtreecommitdiffstats
path: root/WebCore/svg/SVGList.h
blob: 8fb3bc1b01a051e0e6e89524399848134c940a29 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
/*
    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
                  2004, 2005 Rob Buis <buis@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef SVGList_h
#define SVGList_h

#if ENABLE(SVG)
#include "ExceptionCode.h"
#include "SVGListTraits.h"

#include <wtf/RefCounted.h>
#include <wtf/PassRefPtr.h>
#include <wtf/Vector.h>

namespace WebCore {

    class QualifiedName;

    template<typename Item>
    struct SVGListTypeOperations {
        static Item nullItem()
        {
            return SVGListTraits<UsesDefaultInitializer<Item>::value, Item>::nullItem();
        }
        static bool isNull(const Item& it)
        {
            return SVGListTraits<UsesDefaultInitializer<Item>::value, Item>::isNull(it);
        }
    };

    template<typename Item>
    class SVGList : public RefCounted<SVGList<Item> > {
    private:
        typedef SVGListTypeOperations<Item> TypeOperations;

    public:
        virtual ~SVGList() { }

        const QualifiedName& associatedAttributeName() const { return m_associatedAttributeName; }

        unsigned int numberOfItems() const { return m_vector.size(); }
        void clear(ExceptionCode &) { m_vector.clear(); }

        Item initialize(Item newItem, ExceptionCode& ec)
        {
            if (TypeOperations::isNull(newItem)) {
                ec = TYPE_MISMATCH_ERR;
                return TypeOperations::nullItem();
            }
            clear(ec);
            return appendItem(newItem, ec);
        }

        Item getFirst() const
        {
            ExceptionCode ec = 0;
            return getItem(0, ec);
        }

        Item getLast() const
        {
            ExceptionCode ec = 0;
            return getItem(m_vector.size() - 1, ec);
        }

        Item getItem(unsigned int index, ExceptionCode& ec)
        {
            if (index >= m_vector.size()) {
                ec = INDEX_SIZE_ERR;
                return TypeOperations::nullItem();
            }

            return m_vector.at(index);
        }

        const Item getItem(unsigned int index, ExceptionCode& ec) const
        {
            if (index >= m_vector.size()) {
                ec = INDEX_SIZE_ERR;
                return TypeOperations::nullItem();
            }

            return m_vector[index];
        }

        Item insertItemBefore(Item newItem, unsigned int index, ExceptionCode& ec)
        {
            if (TypeOperations::isNull(newItem)) {
                ec = TYPE_MISMATCH_ERR;
                return TypeOperations::nullItem();
            }

            if (index < m_vector.size()) {
                m_vector.insert(index, newItem);
            } else {
                m_vector.append(newItem);
            }
            return newItem;
        }

        Item replaceItem(Item newItem, unsigned int index, ExceptionCode& ec)
        {
            if (index >= m_vector.size()) {
                ec = INDEX_SIZE_ERR;
                return TypeOperations::nullItem();
            }
    
            if (TypeOperations::isNull(newItem)) {
                ec = TYPE_MISMATCH_ERR;
                return TypeOperations::nullItem();
            }

            m_vector[index] = newItem;
            return newItem;
        }

        Item removeItem(unsigned int index, ExceptionCode& ec)
        {
            if (index >= m_vector.size()) {
                ec = INDEX_SIZE_ERR;
                return TypeOperations::nullItem();
            }

            Item item = m_vector[index];
            m_vector.remove(index);
            return item;
        }

        Item appendItem(Item newItem, ExceptionCode& ec)
        {
            if (TypeOperations::isNull(newItem)) {
                ec = TYPE_MISMATCH_ERR;
                return TypeOperations::nullItem();
            }

            m_vector.append(newItem);
            return newItem;
        }

    protected:
        SVGList(const QualifiedName& attributeName) 
            : m_associatedAttributeName(attributeName)
        {
        }

    private:
        Vector<Item> m_vector;
        const QualifiedName& m_associatedAttributeName;
    };

    template<typename Item>
    class SVGPODListItem : public RefCounted<SVGPODListItem<Item> > {
    public:
        static PassRefPtr<SVGPODListItem> create() { return adoptRef(new SVGPODListItem); }
        static PassRefPtr<SVGPODListItem> copy(const Item& item) { return adoptRef(new SVGPODListItem(item)); }

        operator Item&() { return m_item; }
        operator const Item&() const { return m_item; }

        // Updating facilities, used by JSSVGPODTypeWrapperCreatorForList
        Item value() const { return m_item; }
        void setValue(Item newItem) { m_item = newItem; }

    private:
        SVGPODListItem() : m_item() { }
        SVGPODListItem(const Item& item) : RefCounted<SVGPODListItem<Item> >(), m_item(item) { }
        
        Item m_item;
    };

    template<typename Item>
    class SVGPODList : public SVGList<RefPtr<SVGPODListItem<Item> > > {
    public:
        Item initialize(Item newItem, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::initialize(SVGPODListItem<Item>::copy(newItem), ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr); 
        }

        Item getFirst() const
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::getFirst().get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr);
        }

        Item getLast() const
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::getLast().get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr); 
        }

        Item getItem(unsigned int index, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::getItem(index, ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr);
        }

        const Item getItem(unsigned int index, ExceptionCode& ec) const
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::getItem(index, ec).get());
             if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr);
        }

        Item insertItemBefore(Item newItem, unsigned int index, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::insertItemBefore(SVGPODListItem<Item>::copy(newItem), index, ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr); 
        }

        Item replaceItem(Item newItem, unsigned int index, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::replaceItem(SVGPODListItem<Item>::copy(newItem), index, ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr);
        }

        Item removeItem(unsigned int index, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::removeItem(index, ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr); 
        }

        Item appendItem(Item newItem, ExceptionCode& ec)
        {
            SVGPODListItem<Item>* ptr(SVGList<RefPtr<SVGPODListItem<Item> > >::appendItem(SVGPODListItem<Item>::copy(newItem), ec).get());
            if (!ptr)
                return Item();

            return static_cast<const Item&>(*ptr); 
        }
        
    protected:
        SVGPODList(const QualifiedName& attributeName) 
            : SVGList<RefPtr<SVGPODListItem<Item> > >(attributeName) { }
    };

} // namespace WebCore

#endif // ENABLE(SVG)
#endif // SVGList_h