1 files changed, 108 insertions, 0 deletions
diff --git a/opentrack-api/context.cpp b/opentrack-api/context.cpp
new file mode 100644
index 00000000..100acf5c
--- /dev/null
+++ b/opentrack-api/context.cpp
@@ -0,0 +1,108 @@
+#include "opentrack-guts.h"
+#include "opentrack.h"
+
+#if defined(__APPLE__)
+#   define SONAME "dylib"
+#elif defined(_WIN32)
+#   define SONAME "dll"
+#else
+#   define SONAME "so"
+#endif
+
+#include <iostream>
+
+#ifdef _MSC_VER
+#   define LIB_PREFIX ""
+#else
+#   define LIB_PREFIX "lib"
+#endif
+
+// shamelessly copied from core
+static Metadata* get_metadata(DynamicLibrary* lib, QString& longName, QIcon& icon)
+{
+    Metadata* meta;
+    if (!lib->Metadata || ((meta = lib->Metadata()), !meta))
+        return NULL;
+    meta->getFullName(&longName);
+    meta->getIcon(&icon);
+    return meta;
+}
+
+static QList<opentrack_meta> list_files(QDir& dir, QString filter)
+{
+    QList<opentrack_meta> ret;
+    QStringList filenames = dir.entryList( QStringList() << (LIB_PREFIX + filter + ("*." SONAME)), QDir::Files, QDir::Name );
+    for ( int i = 0; i < filenames.size(); i++) {
+        QIcon icon;
+        QString long_name;
+        QString str = filenames.at(i);
+        DynamicLibrary* lib = new DynamicLibrary(str);
+        qDebug() << "Loading" << str;
+        std::cout.flush();
+        Metadata* meta;
+        if (!(meta = get_metadata(lib, long_name, icon)))
+        {
+            delete lib;
+            continue;
+        }
+        QString prefix(LIB_PREFIX + filter);
+        QString suffix("*." SONAME);
+        if (str.size() > prefix.size() + suffix.size() && str.startsWith(prefix) && str.endsWith(suffix))
+        {
+            auto str2 = str.mid(prefix.size(), str.size() - prefix.size() - suffix.size());
+            opentrack_meta item(meta, str2, lib);
+            ret.push_back(item);
+        }
+    }
+
+    return ret;
+}
+
+opentrack_ctx::opentrack_ctx(QDir& dir) :
+    dir(dir),
+    meta_list(list_files(dir, "opentrack-tracker-"))
+{
+    const int count = meta_list.size();
+    list = new char*[count + 1];
+    for (int i = 0; i < count; i++)
+    {
+        QByteArray tmp = meta_list.at(i).path.toUtf8();
+        int len = tmp.size();
+        auto foo = new char[len+1];
+        for (int j = 0; j < len; j++)
+            foo[j] = tmp.at(j);
+        foo[len] = '\0';
+        list[i] = foo;
+    }
+    list[count] = NULL;
+}
+
+opentrack_ctx::~opentrack_ctx()
+{
+    for (int i = 0; list[i]; i++)
+    {
+        delete list[i];
+    }
+    delete list;
+}
+
+extern "C"
+{
+
+const char** OPENTRACK_EXPORT opentrack_enum_trackers(opentrack ctx)
+{
+    return const_cast<const char**>(ctx->list);
+}
+
+opentrack OPENTRACK_EXPORT opentrack_make_ctx(const char *dir)
+{
+    QDir d(dir);
+    return new opentrack_ctx(d);
+}
+
+void OPENTRACK_EXPORT opentrack_finalize_ctx(opentrack foo)
+{
+    delete foo;
+}
+
+}