comparison vamp-support/PreservingPluginOutputIdMapper.h @ 75:81e1c48e97f9

Rearrange and rename to Piper C++ structure

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Piper C++
+
+    Centre for Digital Music, Queen Mary, University of London.
+    Copyright 2006-2016 Chris Cannam and QMUL.
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    Except as contained in this notice, the names of the Centre for
+    Digital Music; Queen Mary, University of London; and Chris Cannam
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in this Software without prior written
+    authorization.
+*/
+
+#ifndef PIPER_PRESERVING_PLUGIN_OUTPUT_ID_MAPPER_H
+#define PIPER_PRESERVING_PLUGIN_OUTPUT_ID_MAPPER_H
+
+#include "PluginOutputIdMapper.h"
+
+#include <iostream>
+
+namespace piper {
+
+//!!! document -- this is a passthrough thing that invents its
+//!!! numerical ids, they have no correspondence with any real plugin
+
+class PreservingPluginOutputIdMapper : public PluginOutputIdMapper
+{
+public:
+    PreservingPluginOutputIdMapper() { }
+
+    virtual int idToIndex(std::string outputId) const noexcept {
+	int n = int(m_ids.size());
+	int i = 0;
+	while (i < n) {
+	    if (outputId == m_ids[i]) {
+		return i;
+	    }
+	    ++i;
+	}
+	m_ids.push_back(outputId);
+	return i;
+    }
+
+    virtual std::string indexToId(int index) const noexcept {
+        if (index < 0 || size_t(index) >= m_ids.size()) return "";
+	return m_ids[index];
+    }
+
+private:
+    mutable std::vector<std::string> m_ids;
+};
+
+}
+
+#endif