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 #include "config.h"
32 #include "core/css/CSSGridTemplateValue.h"
33
34 #include "wtf/text/StringBuilder.h"
35
36 namespace WebCore {
37
CSSGridTemplateValue(const NamedGridAreaMap & gridAreaMap,size_t rowCount,size_t columnCount)38 CSSGridTemplateValue::CSSGridTemplateValue(const NamedGridAreaMap& gridAreaMap, size_t rowCount, size_t columnCount)
39 : CSSValue(GridTemplateClass)
40 , m_gridAreaMap(gridAreaMap)
41 , m_rowCount(rowCount)
42 , m_columnCount(columnCount)
43 {
44 ASSERT(m_rowCount);
45 ASSERT(m_columnCount);
46 }
47
stringForPosition(const NamedGridAreaMap & gridAreaMap,size_t row,size_t column)48 static String stringForPosition(const NamedGridAreaMap& gridAreaMap, size_t row, size_t column)
49 {
50 Vector<String> candidates;
51
52 NamedGridAreaMap::const_iterator end = gridAreaMap.end();
53 for (NamedGridAreaMap::const_iterator it = gridAreaMap.begin(); it != end; ++it) {
54 const GridCoordinate& coordinate = it->value;
55 if (row >= coordinate.rows.initialPositionIndex && row <= coordinate.rows.finalPositionIndex)
56 candidates.append(it->key);
57 }
58
59 end = gridAreaMap.end();
60 for (NamedGridAreaMap::const_iterator it = gridAreaMap.begin(); it != end; ++it) {
61 const GridCoordinate& coordinate = it->value;
62 if (column >= coordinate.columns.initialPositionIndex && column <= coordinate.columns.finalPositionIndex && candidates.contains(it->key))
63 return it->key;
64 }
65
66 return ".";
67 }
68
customCSSText() const69 String CSSGridTemplateValue::customCSSText() const
70 {
71 StringBuilder builder;
72 for (size_t row = 0; row < m_rowCount; ++row) {
73 builder.append('\"');
74 for (size_t column = 0; column < m_columnCount; ++column) {
75 builder.append(stringForPosition(m_gridAreaMap, row, column));
76 if (column != m_columnCount - 1)
77 builder.append(' ');
78 }
79 builder.append('\"');
80 if (row != m_rowCount - 1)
81 builder.append(' ');
82 }
83 return builder.toString();
84 }
85
86 } // namespace WebCore
87