feat: baseURL config option

Author: alandefreitas

src/lib/Gen/adoc/Builder.cpp

@@ -203,6 +203,7 @@ class ConfigObjectImpl : public dom::ObjectImpl
         auto* config_impl = dynamic_cast<ConfigImpl const*>(config_);
         if (config_impl)
         {
+            if (key == "baseURL") return (*config_impl)->baseURL;
             if (key == "inaccessibleBases") return (*config_impl)->inaccessibleBases;
             if (key == "inaccessibleMembers") return (*config_impl)->inaccessibleMembers;
             if (key == "anonymousNamespaces") return (*config_impl)->anonymousNamespaces;
@@ -233,6 +234,7 @@ class ConfigObjectImpl : public dom::ObjectImpl
         auto* config_impl = dynamic_cast<ConfigImpl const*>(config_);
         if (config_impl)
         {
+            if (!fn("baseURL", (*config_impl)->baseURL)) { return false; };
             if (!fn("inaccessibleBases", (*config_impl)->inaccessibleBases)) { return false; };
             if (!fn("inaccessibleMembers", (*config_impl)->inaccessibleMembers)) { return false; };
             if (!fn("anonymousNamespaces", (*config_impl)->anonymousNamespaces)) { return false; };
@@ -250,7 +252,7 @@ class ConfigObjectImpl : public dom::ObjectImpl
     /** Return the number of properties in the object.
      */
     std::size_t size() const override {
-        return 8;
+        return 9;
     };
 
     /** Determine if a key exists.
@@ -263,6 +265,7 @@ class ConfigObjectImpl : public dom::ObjectImpl
         auto* config_impl = dynamic_cast<ConfigImpl const*>(config_);
         if (config_impl)
         {
+            if (key == "baseURL") return true;
             if (key == "inaccessibleBases") return true;
             if (key == "inaccessibleMembers") return true;
             if (key == "anonymousNamespaces") return true;

src/lib/Lib/ConfigImpl.cpp

@@ -100,6 +100,7 @@ struct llvm::yaml::MappingTraits<SettingsImpl>
         io.mapOptional("generate",          cfg.generate);
         io.mapOptional("multipage",         cfg.multiPage);
         io.mapOptional("source-root",       cfg.sourceRoot);
+        io.mapOptional("base-url",               cfg.baseURL);
 
         io.mapOptional("input",             cfg.input);
 
@@ -197,6 +198,12 @@ ConfigImpl(
     settings_.sourceRoot = files::makePosixStyle(files::makeDirsy(
         files::makeAbsolute(settings_.sourceRoot, settings_.workingDir)));
 
+    // Base-URL has to be dirsy with forward slash style
+    if (!settings_.baseURL.ends_with('/'))
+    {
+        settings_.baseURL.push_back('/');
+    }
+
     // Adjust input files
     for(auto& name : inputFileIncludes_)
     {

src/lib/Lib/ConfigImpl.hpp

@@ -120,6 +120,12 @@ class ConfigImpl
         */
         FilterNode symbolFilter;
 
+        /** The base URL for the generated documentation.
+
+            This is used to generate links to sources
+            files referenced in the documentation.
+         */
+        std::string baseURL;
     };
 
     /// @copydoc Config::settings()