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-rw-r--r--opentrack-api/context.cpp108
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;
+}
+
+}