clap

commit 16a4acec0444267e2bd883cc0608d99053712676
parent 55a509506a3063f3de003b5939ffca1ec8bf45d6
Author: Alexandre BIQUE <bique.alexandre@gmail.com>
Date:   Sun,  1 Aug 2021 18:21:36 +0200

Basic path provider

Diffstat:
M
examples/plugins/path-provider.cc
 | 
40
++++++++++++++++++++++++++++++++++++++++

1 file changed, 40 insertions(+), 0 deletions(-)
diff --git a/examples/plugins/path-provider.cc b/examples/plugins/path-provider.cc
@@ -0,0 +1,39 @@
+#include <cassert>
+#include <cstring>
+#include <regex>
+#include <filesystem>
+
+#include "path-provider.hh"
+
+namespace clap {
+
+   class LinuxPathProvider final : public PathProvider {
+   public:
+      LinuxPathProvider(const std::string &pluginPath) : prefix_(computePrefix(pluginPath)) {}
+
+      static std::string computePrefix(const std::string &pluginPath) {
+         static const std::regex r("(/.*)/lib/clap/.*$", std::regex::optimize);
+
+         std::smatch m;
+         if (!std::regex_match(pluginPath, m, r))
+            return "/usr";
+         return m[1];
+      }
+
+      std::string getGuiExecutable() const override { return prefix_ / "/bin/clap-gui"; }
+
+   private:
+      const std::filesystem::path prefix_;
+   };
+
+   const PathProvider *PathProvider::createInstance(const std::string &pluginPath) {
+      assert(!instance_);
+
+#ifdef __linux__
+      return new LinuxPathProvider(pluginPath);
+#endif
+
+      // TODO
+      return nullptr;
+   }
+} // namespace clap
+\ No newline at end of file