Added public API bindings

src/sfizz.h

@@ -394,6 +394,57 @@ SFIZZ_EXPORTED_API void sfizz_add_external_definitions(sfizz_synth_t* synth, con
  */
 SFIZZ_EXPORTED_API void sfizz_clear_external_definitions(sfizz_synth_t* synth);
 
+#define SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX -1
+
+/**
+ * @brief Get the number of note labels registered in the current sfz file
+ * @version 0.4.0-dev
+ */
+SFIZZ_EXPORTED_API unsigned int sfizz_get_num_note_labels(sfizz_synth_t* synth);
+
+/**
+ * @brief Get the note number for the label registered at index label_index.
+ * @version 0.4.0-dev
+ *
+ * @returns SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX if the index is out of bounds.
+ * @returns the number
+ */
+SFIZZ_EXPORTED_API int sfizz_get_note_label_number(sfizz_synth_t* synth, int label_index);
+
+/**
+ * @brief Get the note text for the label registered at index label_index.
+ * @version 0.4.0-dev
+ *
+ * @returns NULL if the index is out of bounds.
+ * @returns the label
+ */
+SFIZZ_EXPORTED_API const char * sfizz_get_note_label_text(sfizz_synth_t* synth, int label_index);
+
+/**
+ * @brief Get the number of note labels registered in the current sfz file
+ * @version 0.4.0-dev
+ *
+ */
+SFIZZ_EXPORTED_API unsigned int sfizz_get_num_cc_labels(sfizz_synth_t* synth);
+
+/**
+ * @brief Get the CC number for the label registered at index label_index.
+ * @version 0.4.0-dev
+ *
+ * @returns SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX if the index is out of bounds.
+ * @returns the number
+ */
+
+SFIZZ_EXPORTED_API int sfizz_get_cc_label_number(sfizz_synth_t* synth, int label_index);
+/**
+ * @brief Get the CC text for the label registered at index label_index.
+ * @version 0.4.0-dev
+ *
+ * @returns NULL if the index is out of bounds.
+ * @returns the label
+ */
+SFIZZ_EXPORTED_API const char * sfizz_get_cc_label_text(sfizz_synth_t* synth, int label_index);
+
 #ifdef __cplusplus
 }
 #endif

src/sfizz.hpp

@@ -10,6 +10,7 @@
 */
 
 #include <string>
+#include <utility>
 #include <vector>
 #include <memory>
 
@@ -287,7 +288,8 @@ public:
     void setLoggingPrefix(const std::string& prefix) noexcept;
 
     /**
-     * @brief Disable logging.
+     * @brief
+     *
      */
     void disableLogging() noexcept;
 
@@ -312,6 +314,18 @@ public:
      */
     void clearExternalDefinitions();
 
+    /**
+     * @brief Get the note labels, if any
+     * @version 0.4.0-dev
+     *
+     */
+    const std::vector<std::pair<uint8_t, std::string>>& getNoteLabels() const noexcept;
+    /**
+     * @brief Get the CC labels, if any
+     * @version 0.4.0-dev
+     *
+     */
+    const std::vector<std::pair<uint16_t, std::string>>& getCCLabels() const noexcept;
 private:
     std::unique_ptr<sfz::Synth> synth;
 };

src/sfizz/SfzHelpers.h

@@ -20,7 +20,7 @@
 namespace sfz
 {
 
-using CCNamePair = std::pair<decltype(config::numCCs), std::string>;
+using CCNamePair = std::pair<uint16_t, std::string>;
 using NoteNamePair = std::pair<uint8_t, std::string>;
 
 template <class T>

src/sfizz/sfizz.cpp

@@ -220,3 +220,13 @@ void sfz::Sfizz::clearExternalDefinitions()
 {
     synth->getParser().clearExternalDefinitions();
 }
+
+const std::vector<std::pair<uint8_t, std::string>>& sfz::Sfizz::getNoteLabels() const noexcept
+{
+    return synth->getNoteLabels();
+}
+
+const std::vector<std::pair<uint16_t, std::string>>& sfz::Sfizz::getCCLabels() const noexcept
+{
+    return synth->getCCLabels();
+}

src/sfizz/sfizz_wrapper.cpp

@@ -8,6 +8,7 @@
 #include "Macros.h"
 #include "Synth.h"
 #include "sfizz.h"
+#include <limits>
 
 #ifdef __cplusplus
 extern "C" {
@@ -268,6 +269,80 @@ void sfizz_clear_external_definitions(sfizz_synth_t* synth)
     self->getParser().clearExternalDefinitions();
 }
 
+unsigned int sfizz_get_num_note_labels(sfizz_synth_t* synth)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    return self->getNoteLabels().size();
+}
+
+int sfizz_get_note_label_number(sfizz_synth_t* synth, int label_index)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    const auto noteLabels = self->getNoteLabels();
+    if (label_index < 0)
+        return SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX;
+
+    if (static_cast<unsigned int>(label_index) >= noteLabels.size())
+        return SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX;
+
+    // Sanity checks for the future or platforms
+    static_assert(
+        std::numeric_limits<sfz::NoteNamePair::first_type>::max() < std::numeric_limits<int>::max(),
+        "The C API sends back an int but the note index in NoteNamePair can overflow it on this platform"
+    );
+    return static_cast<int>(noteLabels[label_index].first);
+}
+
+const char * sfizz_get_note_label_text(sfizz_synth_t* synth, int label_index)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    const auto noteLabels = self->getNoteLabels();
+    if (label_index < 0)
+        return NULL;
+
+    if (static_cast<unsigned int>(label_index) >= noteLabels.size())
+        return NULL;
+
+    return noteLabels[label_index].second.c_str();
+}
+
+unsigned int sfizz_get_num_cc_labels(sfizz_synth_t* synth)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    return self->getCCLabels().size();
+}
+
+int sfizz_get_cc_label_number(sfizz_synth_t* synth, int label_index)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    const auto ccLabels = self->getCCLabels();
+    if (label_index < 0)
+        return SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX;
+
+    if (static_cast<unsigned int>(label_index) >= ccLabels.size())
+        return SFIZZ_OUT_OF_BOUNDS_LABEL_INDEX;
+
+    // Sanity checks for the future or platforms
+    static_assert(
+        std::numeric_limits<sfz::CCNamePair::first_type>::max() < std::numeric_limits<int>::max(),
+        "The C API sends back an int but the cc index in CCNamePair can overflow it on this platform"
+    );
+    return static_cast<int>(ccLabels[label_index].first);
+}
+
+const char * sfizz_get_cc_label_text(sfizz_synth_t* synth, int label_index)
+{
+    auto self = reinterpret_cast<sfz::Synth*>(synth);
+    const auto ccLabels = self->getCCLabels();
+    if (label_index < 0)
+        return NULL;
+
+    if (static_cast<unsigned int>(label_index) >= ccLabels.size())
+        return NULL;
+
+    return ccLabels[label_index].second.c_str();
+}
+
 #ifdef __cplusplus
 }
 #endif