1 /*
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11  * copyright notice, this list of conditions and the following disclaimer
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16  * this software without specific prior written permission.
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18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29  */
30 
31 #ifndef StringWithDirection_h
32 #define StringWithDirection_h
33 
34 #include "PlatformString.h"
35 #include "TextDirection.h"
36 
37 namespace WebCore {
38 
39 // In some circumstances we want to store a String along with the TextDirection
40 // of the String as learned from the context of the String. For example,
41 // consider storing the title derived from <title dir='rtl'>some title</title>
42 // in the history.
43 //
44 // Note that is explicitly *not* the direction of the string as learned
45 // from the characters of the string; it's extra metadata we have external
46 // to the string.
47 class StringWithDirection {
48 public:
StringWithDirection()49     StringWithDirection()
50         : m_direction(LTR)
51     {
52     }
53 
StringWithDirection(const String & string,TextDirection dir)54     StringWithDirection(const String& string, TextDirection dir)
55         : m_string(string)
56         , m_direction(dir)
57     {
58     }
59 
string()60     const String& string() const { return m_string; }
direction()61     TextDirection direction() const { return m_direction; }
62 
isEmpty()63     bool isEmpty() const { return m_string.isEmpty(); }
isNull()64     bool isNull() const { return m_string.isNull(); }
65 
66     bool operator==(const StringWithDirection& other) const
67     {
68         return other.m_string == m_string && other.m_direction == m_direction;
69     }
70     bool operator!=(const StringWithDirection& other) const { return !((*this) == other); }
71 
72 private:
73     String m_string;
74     TextDirection m_direction;
75 };
76 
77 }
78 
79 #endif // StringWithDirection_h
80