(2/2) rename

1 files changed, 63 insertions, 0 deletions

diff --git a/LocalFileReader.cpp b/LocalFileReader.cpp
new file mode 100644
index 0000000..1f9d574
--- /dev/null
+++ b/LocalFileReader.cpp
@@ -0,0 +1,63 @@
+#include <cstdio>
+#include <iterator>
+
+#include "LocalFileReader.h"
+#include "Exception.h"
+
+LocalFileReader LocalFileReader::instance(protocol);
+
+void LocalFileReader::open(const std::string url) {
+	std::string path = url;
+	if (path.starts_with(protocol))
+		path = path.substr(protocol.size());
+
+	this->file = new std::ifstream(path, std::ios::in);
+	if (this->file->fail() || !this->file->is_open())
+		throw Exception("cannot open file://%s\n", path.c_str());
+}
+
+void LocalFileReader::close() {
+	if (this->file == nullptr) return;
+
+	if (this->file->is_open())
+		this->file->close();
+}
+
+const std::string LocalFileReader::read() {
+	if (this->content != nullptr)
+		return *this->content;
+
+	if (this->file == nullptr)
+		throw Exception("FileReader read after destructor\n");
+
+	if (!this->file->is_open())
+		throw Exception("FileReader read after close\n");
+
+	this->content = new std::string(
+		std::istreambuf_iterator<char>(*this->file),
+		std::istreambuf_iterator<char>()
+	);
+
+	return *this->content;
+}
+
+LocalFileReader::~LocalFileReader() {
+	this->close();
+
+	if (this->file != nullptr) {
+		delete this->file;
+		this->file = nullptr;
+	}
+
+	if (this->content != nullptr) {
+		delete this->content;
+		this->content = nullptr;
+	}
+}
+
+LocalFileReader * LocalFileReader::clone() const {
+	return new LocalFileReader(this);
+}
+
+LocalFileReader::LocalFileReader(const LocalFileReader *) : FileReader() { }
+