Changed JSON generator paths to relative

src/class_diagram/generators/json/class_diagram_generator.cc

@@ -25,7 +25,7 @@ using nlohmann::json;
 
 void to_json(nlohmann::json &j, const source_location &sl)
 {
-    j = json{{"file", sl.file()}, {"line", sl.line()}};
+    j = json{{"file", sl.file_relative()}, {"line", sl.line()}};
 }
 
 void to_json(nlohmann::json &j, const element &c)
@@ -37,9 +37,10 @@ void to_json(nlohmann::json &j, const element &c)
     if (const auto &comment = c.comment(); comment)
         j["comment"] = comment.value();
 
-    if (!c.file().empty())
+    if (!c.file().empty()) {
         j["source_location"] =
             dynamic_cast<const common::model::source_location &>(c);
+    }
 }
 
 void to_json(nlohmann::json &j, const template_parameter &c)

src/common/model/source_location.h

@@ -36,6 +36,10 @@ public:
 
     void set_file(const std::string &file) { file_ = file; }
 
+    const std::string &file_relative() const { return file_relative_; }
+
+    void set_file_relative(const std::string &file) { file_relative_ = file; }
+
     unsigned int line() const { return line_; }
 
     void set_line(const unsigned line) { line_ = line; }
@@ -46,6 +50,7 @@ public:
 
 private:
     std::string file_;
+    std::string file_relative_;
     unsigned int line_{0};
     unsigned int hash_{0};
 };

src/common/visitor/translation_unit_visitor.cc

@@ -26,6 +26,7 @@ namespace clanguml::common::visitor {
 translation_unit_visitor::translation_unit_visitor(
     clang::SourceManager &sm, const clanguml::config::diagram &config)
     : source_manager_{sm}
+    , relative_to_path_{config.relative_to()}
 {
     if (config.comment_parser() == config::comment_parser_t::plain) {
         comment_visitor_ =
@@ -86,6 +87,9 @@ void translation_unit_visitor::set_source_location(
 {
     if (location.isValid()) {
         element.set_file(source_manager_.getFilename(location).str());
+        element.set_file_relative(util::path_to_url(
+            std::filesystem::relative(element.file(), relative_to_path_)
+                .string()));
         element.set_line(source_manager_.getSpellingLineNumber(location));
         element.set_location_id(location.getHashValue());
     }

src/common/visitor/translation_unit_visitor.h

@@ -106,5 +106,7 @@ private:
     clang::SourceManager &source_manager_;
 
     std::unique_ptr<comment::comment_visitor> comment_visitor_;
+
+    std::filesystem::path relative_to_path_;
 };
 } // namespace clanguml::common::visitor