Clean project structure.

src/base/compiler/template_engine/TemplatingEngine.cpp

@@ -0,0 +1,80 @@
+#include "TemplatingEngine.h"
+
+#include "Directory.h"
+#include "FileLogger.h"
+
+#include "TemplateElements.h"
+#include "TemplateSubstitutionContext.h"
+
+#include <iostream>
+
+TemplatingEngine::TemplatingEngine(const Path& workingDirectory)
+    : mWorkingDirectory(workingDirectory)
+{
+
+}
+
+std::string TemplatingEngine::renderTemplate(const std::string& name, TemplateSubstitutionContext* substitutionContext)
+{
+    if (mTemplateFiles.empty())
+    {
+        loadTemplateFiles();
+    }
+
+    if (auto file = getTemplateFile(name))
+    {
+        if (!file->hasLoaded())
+        {
+            file->loadContent();
+            //std::cout << file->dumpContent();
+
+            processTemplate(file, nullptr);
+        }
+        return file->getContent()->render(substitutionContext, nullptr);
+    }
+    else
+    {
+        return {};
+    }
+}
+
+void TemplatingEngine::loadTemplateFiles()
+{
+    const auto files = Directory::getFilesWithExtension(mWorkingDirectory, mTemplateExtension);
+    for (const auto& path : files)
+    {
+        mTemplateFiles[path.stem().string()] = std::make_unique<TemplateFile>(path);
+    }
+    MLOG_INFO("Found: " << mTemplateFiles.size() << " templates in " << mWorkingDirectory);
+}
+
+TemplateFile* TemplatingEngine::getTemplateFile(const Path& path)
+{
+    return getTemplateFile(path.stem().string());
+}
+
+TemplateFile* TemplatingEngine::getTemplateFile(const std::string& name)
+{
+    return mTemplateFiles[name].get();
+}
+
+void TemplatingEngine::processTemplate(TemplateFile* file, TemplateNode* parent)
+{
+    auto content = file->getContent();
+    if (parent)
+    {
+        content->setExtensionParent(parent);
+        parent->setExtensionBase(content);
+    }
+
+    if (auto extension_node = dynamic_cast<TemplateExtends*>(content->getFirstChildShallow(TemplateNode::Type::EXTENDS)))
+    {
+        if (auto extension_template = getTemplateFile(Path(extension_node->getPath())))
+        {
+            extension_template->loadContent();
+            //std::cout << extension_template->dumpContent();
+
+            processTemplate(extension_template, content);
+        }
+    }
+}