plugin-support: make header-only, expose as public API

Issue: #151

Some global namespace macros are now prefixed with "OPENTRACK_" to avoid
namespace clashes.

This header is now safe to include in third-party projects.

1 files changed, 0 insertions, 223 deletions

diff --git a/opentrack/plugin-support.cpp b/opentrack/plugin-support.cpp
deleted file mode 100644
index 403798de..00000000
--- a/opentrack/plugin-support.cpp
+++ /dev/null
@@ -1,223 +0,0 @@
-#include <cstdio>
-#include <cinttypes>
-#include "plugin-support.h"
-#include <QCoreApplication>
-#include <QFile>
-#include <QDir>
-
-#include <iostream>
-
-#ifndef _WIN32
-#   include <dlfcn.h>
-#endif
-
-SelectedLibraries::~SelectedLibraries()
-{
-}
-
-template<typename t>
-static mem<t> make_instance(mem<dylib> lib)
-{
-    mem<t> ret;
-    if (lib != nullptr && lib->Constructor)
-    {
-        qDebug() << "dylib" << (lib ? lib->filename : "<null>") << "ptr" << (intptr_t) lib->Constructor;
-        std::cout.flush();
-        ret = mem<t>(reinterpret_cast<t*>(reinterpret_cast<CTOR_FUNPTR>(lib->Constructor)()));
-    }
-    return ret;
-}
-
-SelectedLibraries::SelectedLibraries(QFrame* frame, dylibptr t, dylibptr p, dylibptr f) :
-    pTracker(nullptr),
-    pFilter(nullptr),
-    pProtocol(nullptr),
-    correct(false)
-{
-    pTracker = make_instance<ITracker>(t);
-    pProtocol = make_instance<IProtocol>(p);
-    pFilter = make_instance<IFilter>(f);
-
-    if (!pTracker || !pProtocol)
-    {
-        qDebug() << "dylib load failure";
-        return;
-    }
-
-    if(!pProtocol->correct())
-    {
-        qDebug() << "protocol load failure";
-        return;
-    }
-
-    pTracker->start_tracker(frame);
-
-    correct = true;
-}
-
-#if defined(__APPLE__)
-#   define SONAME "dylib"
-#elif defined(_WIN32)
-#   define SONAME "dll"
-#else
-#   define SONAME "so"
-#endif
-
-#include <iostream>
-
-#ifdef _MSC_VER
-#   error "No support for MSVC anymore"
-#else
-#   define LIB_PREFIX "lib"
-#endif
-
-static bool get_metadata(mem<dylib> lib, QString& name, QIcon& icon)
-{
-    Metadata* meta;
-    if (!lib->Meta || ((meta = lib->Meta()), !meta))
-        return false;
-    name = meta->name();
-    icon = meta->icon();
-    delete meta;
-    return true;
-}
-
-QList<mem<dylib>> dylib::enum_libraries()
-{
-#define BASE "opentrack-"
-#define SUFF "-*."
-    const char* filters_n[] = { BASE "filter" SUFF,
-                                BASE "tracker" SUFF,
-                                BASE "proto" SUFF };
-    const Type filters_t[] = { Filter, Tracker, Protocol };
-
-    QDir settingsDir( QCoreApplication::applicationDirPath() );
-
-    QList<mem<dylib>> ret;
-
-    for (int i = 0; i < 3; i++)
-    {
-        QString filter = filters_n[i];
-        auto t = filters_t[i];
-        QStringList filenames = settingsDir.entryList(QStringList { LIB_PREFIX + filter + SONAME },
-                                                      QDir::Files,
-                                                      QDir::Name);
-        for (int i = 0; i < filenames.size(); i++) {
-            QIcon icon;
-            QString longName;
-            QString str = filenames.at(i);
-            auto lib = std::make_shared<dylib>(str, t);
-            qDebug() << "Loading" << str;
-            std::cout.flush();
-            if (!get_metadata(lib, longName, icon))
-                continue;
-            ret.push_back(lib);
-        }
-    }
-
-    return ret;
-}
-
-dylib::dylib(const QString& filename, Type t) :
-    type(t),
-    filename(filename),
-    Dialog(nullptr),
-    Constructor(nullptr),
-    Meta(nullptr),
-    handle(nullptr)
-{
-    // otherwise dlopen opens the calling executable
-    if (filename.size() == 0)
-        return;
-
-#if defined(_WIN32)
-    QString fullPath = QCoreApplication::applicationDirPath() + "/" + this->filename;
-    handle = new QLibrary(fullPath);
-
-    struct _foo {
-        static bool die(QLibrary*& l, bool failp)
-        {
-            if (failp)
-            {
-                qDebug() << "failed" << l->errorString();
-                delete l;
-                l = nullptr;
-            }
-            return failp;
-        }
-    };
-
-    if (_foo::die(handle, !handle->load()))
-        return;
-
-    Dialog = (CTOR_FUNPTR) handle->resolve("GetDialog");
-    if (_foo::die(handle, !Dialog))
-        return;
-
-    Constructor = (CTOR_FUNPTR) handle->resolve("GetConstructor");
-    if (_foo::die(handle, !Constructor))
-        return;
-
-    Meta = (METADATA_FUNPTR) handle->resolve("GetMetadata");
-    if (_foo::die(handle, !Meta))
-        return;
-#else
-    QByteArray latin1 = QFile::encodeName(filename);
-    handle = dlopen(latin1.constData(), RTLD_NOW |
-#   if defined(__APPLE__)
-                    RTLD_LOCAL|RTLD_FIRST|RTLD_NOW
-#   else
-                    RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE
-#   endif
-                    );
-
-    struct _foo {
-        static bool err(void*& handle)
-        {
-            const char* err = dlerror();
-            if (err)
-            {
-                fprintf(stderr, "Error, ignoring: %s\n", err);
-                fflush(stderr);
-                dlclose(handle);
-                handle = nullptr;
-                return true;
-            }
-            return false;
-        }
-    };
-
-    if (handle)
-    {
-        if (_foo::err(handle))
-            return;
-        Dialog = (CTOR_FUNPTR) dlsym(handle, "GetDialog");
-        if (_foo::err(handle))
-            return;
-        Constructor = (CTOR_FUNPTR) dlsym(handle, "GetConstructor");
-        if (_foo::err(handle))
-            return;
-        Meta = (METADATA_FUNPTR) dlsym(handle, "GetMetadata");
-        if (_foo::err(handle))
-            return;
-    } else {
-        (void) _foo::err(handle);
-    }
-#endif
-
-    auto m = mem<Metadata>(Meta());
-
-    icon = m->icon();
-    name = m->name();
-}
-
-dylib::~dylib()
-{
-#if defined(_WIN32)
-    if (handle)
-        delete handle;
-#else
-    if (handle)
-        (void) dlclose(handle);
-#endif
-}