DALi Version 2.1.5
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / markup-processor-embedded-item.cpp
1 /*
2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17
18 // FILE HEADER
19 #include <dali-toolkit/internal/text/markup-processor-embedded-item.h>
20
21 // EXTERNAL INCLUDES
22 #include <dali/public-api/common/dali-vector.h>
23 #include <memory.h>
24
25 // INTERNAL INCLUDES
26 #include <dali-toolkit/internal/text/embedded-item.h>
27 #include <dali-toolkit/internal/text/markup-processor-helper-functions.h>
28
29 namespace Dali
30 {
31 namespace Toolkit
32 {
33 namespace Text
34 {
35 namespace
36 {
37 const std::string XHTML_URL_ATTRIBUTE("url");
38 const std::string XHTML_WIDTH_ATTRIBUTE("width");
39 const std::string XHTML_HEIGHT_ATTRIBUTE("height");
40 const std::string XHTML_COLOR_BLENDING_ATTRIBUTE("color-blending");
41
42 const std::string NONE("none");
43 const std::string MULTIPLY("multiply");
44 } // namespace
45
46 void ProcessEmbeddedItem(const Tag& tag, EmbeddedItem& embeddedItem)
47 {
48   embeddedItem.url               = nullptr;
49   embeddedItem.urlLength         = 0u;
50   embeddedItem.width             = 0u;
51   embeddedItem.height            = 0u;
52   embeddedItem.colorBlendingMode = ColorBlendingMode::NONE;
53
54   for(Vector<Attribute>::ConstIterator it    = tag.attributes.Begin(),
55                                        endIt = tag.attributes.End();
56       it != endIt;
57       ++it)
58   {
59     const Attribute& attribute(*it);
60     if(TokenComparison(XHTML_URL_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
61     {
62       embeddedItem.urlLength = attribute.valueLength;
63       embeddedItem.url       = new char[embeddedItem.urlLength];
64       memcpy(embeddedItem.url, attribute.valueBuffer, embeddedItem.urlLength);
65       // The memory is freed when the font run is removed from the logical model.
66     }
67     else if(TokenComparison(XHTML_WIDTH_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
68     {
69       embeddedItem.width = StringToUint(attribute.valueBuffer);
70     }
71     else if(TokenComparison(XHTML_HEIGHT_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
72     {
73       embeddedItem.height = StringToUint(attribute.valueBuffer);
74     }
75     else if(TokenComparison(XHTML_COLOR_BLENDING_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
76     {
77       if(TokenComparison(MULTIPLY, attribute.valueBuffer, attribute.valueLength))
78       {
79         embeddedItem.colorBlendingMode = ColorBlendingMode::MULTIPLY;
80       }
81     }
82   }
83 }
84
85 } // namespace Text
86
87 } // namespace Toolkit
88
89 } // namespace Dali