Use settings for json and pcf

1 files changed, 48 insertions, 14 deletions

diff --git a/common/project.cc b/common/project.cc
index 244ca761..949f6878 100644
--- a/common/project.cc
+++ b/common/project.cc
@@ -26,19 +26,53 @@
 
 NEXTPNR_NAMESPACE_BEGIN
 
+boost::filesystem::path make_relative(boost::filesystem::path child, boost::filesystem::path parent)
+{
+    boost::filesystem::path::const_iterator parentIter = parent.begin();
+    boost::filesystem::path::const_iterator childIter = child.begin();
+
+    while (parentIter != parent.end() && childIter != child.end() && (*childIter) == (*parentIter)) {
+        ++childIter;
+        ++parentIter;
+    }
+
+    boost::filesystem::path finalPath;
+    while (parentIter != parent.end()) {
+        finalPath /= "..";
+        ++parentIter;
+    }
+
+    while (childIter != child.end()) {
+        finalPath /= *childIter;
+        ++childIter;
+    }
+
+    return finalPath;
+}
+
 void ProjectHandler::save(Context *ctx, std::string filename)
 {
-    std::ofstream f(filename);
-    pt::ptree root;
-    root.put("project.version", 1);
-    root.put("project.name", boost::filesystem::basename(filename));
-    root.put("project.arch.name", ctx->archId().c_str(ctx));
-    root.put("project.arch.type", ctx->archArgsToId(ctx->archArgs()).c_str(ctx));
-    /*  root.put("project.input.json", );*/
-    root.put("project.params.freq", int(ctx->target_freq / 1e6));
-    root.put("project.params.seed", ctx->rngstate);
-    saveArch(ctx, root);
-    pt::write_json(f, root);
+    try {
+        boost::filesystem::path proj(filename);
+        std::ofstream f(filename);
+        pt::ptree root;
+
+        log_info("Saving project %s...\n", filename.c_str());
+        log_break();
+
+        root.put("project.version", 1);
+        root.put("project.name", boost::filesystem::basename(filename));
+        root.put("project.arch.name", ctx->archId().c_str(ctx));
+        root.put("project.arch.type", ctx->archArgsToId(ctx->archArgs()).c_str(ctx));
+        std::string fn = ctx->settings[ctx->id("project/input/json")];
+        root.put("project.input.json", make_relative(fn, proj.parent_path()).string());
+        root.put("project.params.freq", int(ctx->target_freq / 1e6));
+        root.put("project.params.seed", ctx->rngstate);
+        saveArch(ctx, root, proj.parent_path().string());
+        pt::write_json(f, root);
+    } catch (...) {
+        log_error("Error saving project file.\n");
+    }
 }
 
 std::unique_ptr<Context> ProjectHandler::load(std::string filename)
@@ -63,10 +97,10 @@ std::unique_ptr<Context> ProjectHandler::load(std::string filename)
 
         auto project = root.get_child("project");
         auto input = project.get_child("input");
-        std::string filename = input.get<std::string>("json");
-        boost::filesystem::path json = proj.parent_path() / filename;
+        std::string fn = input.get<std::string>("json");
+        boost::filesystem::path json = proj.parent_path() / fn;
         std::ifstream f(json.string());
-        if (!parse_json_file(f, filename, ctx.get()))
+        if (!parse_json_file(f, fn, ctx.get()))
             log_error("Loading design failed.\n");
 
         if (project.count("params")) {