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-rw-r--r--api/plugin-support.hpp219
1 files changed, 119 insertions, 100 deletions
diff --git a/api/plugin-support.hpp b/api/plugin-support.hpp
index 65b8e10d..90aeb8f2 100644
--- a/api/plugin-support.hpp
+++ b/api/plugin-support.hpp
@@ -13,13 +13,12 @@
#include <memory>
#include <algorithm>
#include <cstring>
+#include <vector>
#include <QDebug>
#include <QString>
#include <QLibrary>
-#include <QList>
#include <QDir>
-#include <QList>
#include <QIcon>
extern "C" {
@@ -27,19 +26,26 @@ extern "C" {
using module_metadata_t = Metadata_* (*)(void);
}
+enum dylib_load_mode : unsigned
+{
+ dylib_load_norm = 0,
+ dylib_load_quiet = 1 << 0,
+ dylib_load_none = 1 << 1,
+};
+
+enum class dylib_type : unsigned
+{
+ Filter = 0xdeadbabe,
+ Tracker = 0xcafebeef,
+ Protocol = 0xdeadf00d,
+ Extension = 0xcafebabe,
+ Video = 0xbadf00d,
+ Invalid = (unsigned)-1,
+};
+
struct dylib final
{
- enum Type : unsigned
- {
- Filter = 0xdeadbabe,
- Tracker = 0xcafebeef,
- Protocol = 0xdeadf00d,
- Extension = 0xcafebabe,
- Video = 0xbadf00d,
- Invalid = (unsigned)-1,
- };
-
- dylib(const QString& filename_, Type t, bool load = true) :
+ dylib(const QString& filename_, dylib_type t, dylib_load_mode load_mode = dylib_load_norm) :
full_filename(filename_),
module_name(trim_filename(filename_))
{
@@ -55,91 +61,70 @@ struct dylib final
# pragma clang diagnostic ignored "-Wcomma"
#endif
- if (check(!handle.load()))
- return;
+ if (!handle.load())
+ goto fail;
- if (load)
+ if (!(load_mode & dylib_load_none))
{
- if (check((Dialog = (module_ctor_t) handle.resolve("GetDialog"), !Dialog)))
- return;
+ std::unique_ptr<Metadata_> m;
- if (check((Constructor = (module_ctor_t) handle.resolve("GetConstructor"), !Constructor)))
- return;
+ if (Dialog = (module_ctor_t) handle.resolve("GetDialog"), !Dialog)
+ goto fail;
- if (check((Meta = (module_metadata_t) handle.resolve("GetMetadata"), !Meta)))
- return;
+ if (Constructor = (module_ctor_t) handle.resolve("GetConstructor"), !Constructor)
+ goto fail;
- std::unique_ptr<Metadata_> m{Meta()};
+ if (Meta = (module_metadata_t) handle.resolve("GetMetadata"), !Meta)
+ goto fail;
- if (check(!m))
- return;
+ m = std::unique_ptr<Metadata_>(Meta());
+
+ if (!m)
+ {
+ if (!(load_mode & dylib_load_quiet))
+ {
+ qDebug() << "library" << module_name << "failed: no metadata";
+ load_mode = dylib_load_quiet;
+ }
+ goto fail;
+ }
icon = m->icon();
name = m->name();
}
type = t;
+
+ return;
#ifdef __clang__
# pragma clang diagnostic pop
#endif
- }
-
- // QLibrary refcounts the .dll's so don't forcefully unload
- ~dylib() = default;
-
- static QList<std::shared_ptr<dylib>> enum_libraries(const QString& library_path)
- {
- QDir module_directory(library_path);
- QList<std::shared_ptr<dylib>> ret;
-
- const struct filter_ {
- Type type{Invalid};
- QString glob;
- bool load = true;
- } filters[] = {
- { Filter, QStringLiteral(OPENTRACK_LIBRARY_PREFIX "opentrack-filter-*." OPENTRACK_LIBRARY_EXTENSION), },
- { Tracker, QStringLiteral(OPENTRACK_LIBRARY_PREFIX "opentrack-tracker-*." OPENTRACK_LIBRARY_EXTENSION), },
- { Protocol, QStringLiteral(OPENTRACK_LIBRARY_PREFIX "opentrack-proto-*." OPENTRACK_LIBRARY_EXTENSION), },
- { Extension, QStringLiteral(OPENTRACK_LIBRARY_PREFIX "opentrack-ext-*." OPENTRACK_LIBRARY_EXTENSION), },
- { Video, QStringLiteral(OPENTRACK_LIBRARY_PREFIX "opentrack-video-*." OPENTRACK_LIBRARY_EXTENSION), false, },
- };
- for (const filter_& filter : filters)
- {
- for (const QString& filename : module_directory.entryList({ filter.glob }, QDir::Files, QDir::Name))
- {
- auto lib = std::make_shared<dylib>(QStringLiteral("%1/%2").arg(library_path, filename), filter.type, filter.load);
-
- if (lib->type == Invalid)
- continue;
-
- if (std::any_of(ret.cbegin(),
- ret.cend(),
- [&lib](const std::shared_ptr<dylib>& a) {
- return a->type == lib->type && a->name == lib->name;
- }))
- {
- qDebug() << "duplicate lib" << filename << "ident" << lib->name;
- continue;
- }
+fail:
+ if (!(load_mode & dylib_load_quiet))
+ qDebug() << "library" << module_name << "failed:" << handle.errorString();
- ret.push_back(lib);
- }
- }
+ Constructor = nullptr;
+ Dialog = nullptr;
+ Meta = nullptr;
- return ret;
+ type = dylib_type::Invalid;
}
- Type type{Invalid};
+ // QLibrary refcounts the .dll's so don't forcefully unload
+ ~dylib() = default;
+
+ dylib_type type = dylib_type::Invalid;
QString full_filename;
QString module_name;
QIcon icon;
QString name;
- module_ctor_t Dialog{nullptr};
- module_ctor_t Constructor{nullptr};
- module_metadata_t Meta{nullptr};
+ module_ctor_t Dialog = nullptr;
+ module_ctor_t Constructor = nullptr;
+ module_metadata_t Meta = nullptr;
+
private:
QLibrary handle;
@@ -180,36 +165,21 @@ private:
}
return {""};
}
-
- bool check(bool fail)
- {
- if (fail)
- {
- qDebug() << "library" << module_name << "failed:" << handle.errorString();
-
- Constructor = nullptr;
- Dialog = nullptr;
- Meta = nullptr;
-
- type = Invalid;
- }
-
- return fail;
- }
};
struct Modules final
{
using dylib_ptr = std::shared_ptr<dylib>;
- using dylib_list = QList<dylib_ptr>;
-
- Modules(const QString& library_path) :
- module_list(dylib::enum_libraries(library_path)),
- filter_modules(filter(dylib::Filter)),
- tracker_modules(filter(dylib::Tracker)),
- protocol_modules(filter(dylib::Protocol)),
- extension_modules(filter(dylib::Extension)),
- video_modules(filter(dylib::Video))
+ using dylib_list = std::vector<dylib_ptr>;
+ using type = dylib_type;
+
+ Modules(const QString& library_path, dylib_load_mode load_mode = dylib_load_norm) :
+ module_list(enum_libraries(library_path, load_mode)),
+ filter_modules(filter(type::Filter)),
+ tracker_modules(filter(type::Tracker)),
+ protocol_modules(filter(type::Protocol)),
+ extension_modules(filter(type::Extension)),
+ video_modules(filter(type::Video))
{}
dylib_list& filters() { return filter_modules; }
dylib_list& trackers() { return tracker_modules; }
@@ -226,19 +196,68 @@ private:
static dylib_list& sorted(dylib_list& xs)
{
- std::sort(xs.begin(), xs.end(), [&](const dylib_ptr& a, const dylib_ptr& b) { return a->name.toLower() < b->name.toLower(); });
+ std::sort(xs.begin(), xs.end(),
+ [&](const dylib_ptr& a, const dylib_ptr& b) {
+ return a->name.toLower() < b->name.toLower();
+ });
return xs;
}
- dylib_list filter(dylib::Type t)
+ dylib_list filter(dylib_type t)
{
- QList<std::shared_ptr<dylib>> ret;
+ dylib_list ret; ret.reserve(module_list.size());
for (const auto& x : module_list)
if (x->type == t)
ret.push_back(x);
return sorted(ret);
}
+
+ static dylib_list enum_libraries(const QString& library_path,
+ dylib_load_mode load_mode = dylib_load_norm)
+ {
+ QDir dir(library_path);
+ dylib_list ret;
+
+ const struct filter_ {
+ type type = type::Invalid;
+ QString glob;
+ dylib_load_mode load_mode = dylib_load_norm;
+ } filters[] = {
+ { type::Filter, OPENTRACK_LIBRARY_PREFIX "opentrack-filter-*." OPENTRACK_LIBRARY_EXTENSION, },
+ { type::Tracker, OPENTRACK_LIBRARY_PREFIX "opentrack-tracker-*." OPENTRACK_LIBRARY_EXTENSION, },
+ { type::Protocol, OPENTRACK_LIBRARY_PREFIX "opentrack-proto-*." OPENTRACK_LIBRARY_EXTENSION, },
+ { type::Extension, OPENTRACK_LIBRARY_PREFIX "opentrack-ext-*." OPENTRACK_LIBRARY_EXTENSION, },
+ { type::Video, OPENTRACK_LIBRARY_PREFIX "opentrack-video-*." OPENTRACK_LIBRARY_EXTENSION, dylib_load_none, },
+ };
+
+ for (const filter_& filter : filters)
+ {
+ for (const QString& filename : dir.entryList({ filter.glob }, QDir::Files, QDir::Name))
+ {
+ dylib_load_mode load_mode_{filter.load_mode | load_mode};
+ auto lib = std::make_shared<dylib>(QString("%1/%2").arg(library_path, filename), filter.type, load_mode_);
+
+ if (lib->type == type::Invalid)
+ continue;
+
+ if (std::any_of(ret.cbegin(),
+ ret.cend(),
+ [&lib](const std::shared_ptr<dylib>& a) {
+ return a->type == lib->type && a->name == lib->name;
+ }))
+ {
+ if (!(load_mode & dylib_load_quiet))
+ qDebug() << "duplicate lib" << filename << "ident" << lib->name;
+ continue;
+ }
+
+ ret.push_back(std::move(lib));
+ }
+ }
+
+ return ret;
+ }
};
template<typename t>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 19:46:34 +0000