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comparison bits/PreservingPluginHandleMapper.h @ 40:55d69b26d4db

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Pull out CountingPluginHandleMapper; consts
author Chris Cannam <c.cannam@qmul.ac.uk>
date Mon, 22 Aug 2016 17:16:44 +0100
parents 2d97883d20df
children f4244a2d55ac
comparison
equal deleted inserted replaced
39:183be3bc9d7b 40:55d69b26d4db
44 class PreservingPluginHandleMapper : public PluginHandleMapper 44 class PreservingPluginHandleMapper : public PluginHandleMapper
45 { 45 {
46 public: 46 public:
47 PreservingPluginHandleMapper() : m_handle(0), m_plugin(0) { } 47 PreservingPluginHandleMapper() : m_handle(0), m_plugin(0) { }
48 48
49 virtual int32_t pluginToHandle(Vamp::Plugin *p) { 49 virtual int32_t pluginToHandle(Vamp::Plugin *p) const {
50 if (p == m_plugin) return m_handle; 50 if (p == m_plugin) return m_handle;
51 else { 51 else {
52 std::cerr << "PreservingPluginHandleMapper: p = " << p 52 std::cerr << "PreservingPluginHandleMapper: p = " << p
53 << " differs from saved m_plugin " << m_plugin 53 << " differs from saved m_plugin " << m_plugin
54 << " (not returning saved handle " << m_handle << ")" 54 << " (not returning saved handle " << m_handle << ")"
55 << std::endl; 55 << std::endl;
56 throw NotFound(); 56 throw NotFound();
57 } 57 }
58 } 58 }
59 59
60 virtual Vamp::Plugin *handleToPlugin(int32_t h) { 60 virtual Vamp::Plugin *handleToPlugin(int32_t h) const {
61 m_handle = h; 61 m_handle = h;
62 m_plugin = reinterpret_cast<Vamp::Plugin *>(h); 62 m_plugin = reinterpret_cast<Vamp::Plugin *>(h);
63 return m_plugin; 63 return m_plugin;
64 } 64 }
65 65
66 private: 66 private:
67 int32_t m_handle; 67 mutable int32_t m_handle;
68 Vamp::Plugin *m_plugin; 68 mutable Vamp::Plugin *m_plugin;
69 }; 69 };
70 70
71 } 71 }
72 72
73 #endif 73 #endif