wtf/url/src/URLComponent.h

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  28
  29 #ifndef URLComponent_h
  30 #define URLComponent_h
  31
  32 namespace WTF {
  33
  34 // Represents a substring for URL parsing.
  35 class URLComponent {
  36 public:
  37     URLComponent() : m_begin(0), m_length(-1) { }
  38     URLComponent(int begin, int length) : m_begin(begin), m_length(length) { }
  39
  40     // Returns true if this component is valid, meaning the length is given. Even
  41     // valid components may be empty to record the fact that they exist.
  42     bool isValid() const { return m_length != -1; }
  43
  44     // Returns true if the given component is specified on false, the component
  45     // is either empty or invalid.
  46     bool isNonempty() const { return m_length > 0; }
  47
  48     void reset()
  49     {
  50         m_begin = 0;
  51         m_length = -1;
  52     }
  53
  54     bool operator==(const URLComponent& other) const { return m_begin == other.m_begin && m_length == other.m_length; }
  55
  56     int begin() const { return m_begin; }
  57     void setBegin(int begin) { m_begin = begin; }
  58
  59     int length() const { return m_length; }
  60     void setLength(int length) { m_length = length; }
  61
  62     int end() const { return m_begin + m_length; }
  63
  64 private:
  65     int m_begin; // Byte offset in the string of this component.
  66     int m_length; // Will be -1 if the component is unspecified.
  67 };
  68
  69 } // namespace WTF
  70
  71 #endif // URLComponent_h