Putting Buffers in main to test things out.

Buffer.cc

@@ -22,10 +22,11 @@
 ///
 
 
+#include <filesystem>
+#include <iterator>
 #include <optional>
 #include <random>
 #include <sstream>
-#include <iterator>
 
 #include "Buffer.h"
 
@@ -56,6 +57,17 @@ Buffer::Buffer(std::string fName)
 }
 
 
+Buffer::Buffer(std::filesystem::path fPath)
+    : dirty(false), path(OptString(fPath.string()))
+{
+	this->name = fPath.filename().string();
+	this->Cursor() = Cursor();
+
+	this->file = OptFile(fPath.string());
+}
+
+
+
 Buffer::Buffer(std::string fName, std::string fPath)
     : dirty(false), name(std::move(fName)), path(fPath)
 {
@@ -141,12 +153,23 @@ Buffer::Refresh()
 		return FileStatus::FileStatusIOFailed;
 	}
 
-	size_t currentLine = 0;
-
 	while (realHandle->good()) {
+		std::string temp;
+		while (std::getline(*realHandle, temp)) {
+			std::vector<uint8_t> row(temp.begin(), temp.end());
+			row.push_back('\n');
+			this->contents.push_back(row);
+		}
 	}
-}
 
+	auto status = Buffer::FileStatus::FileStatusOK;
+	if (!realHandle->eof()) {
+		status = FileStatus::FileStatusIOFailed;
+	}
+	realHandle->close();
+
+	return status;
+}
 
 
 void
@@ -178,3 +201,48 @@ Buffer::MarkDirty()
 }
 
 
+size_t
+Buffer::Size()
+{
+	size_t 	size = 0;
+
+	for (const auto& line : this->contents) {
+		size += line.size();
+	}
+
+	return size;
+}
+
+
+void
+Buffer::Close()
+{
+	this->clearContents();
+	this->dirty = false;
+	this->file = std::nullopt;
+	this->path = std::nullopt;
+	this->name = std::string("deleted buffer (" + this->name + ")");
+}
+
+
+std::string
+Buffer::FileStatusToString(Buffer::FileStatus status)
+{
+	switch (status) {
+	case FileStatus::FileStatusOK:
+		return std::string("OK");
+	case FileStatus::FileStatusReadOnly:
+		return std::string("read-only file");
+	case FileStatus::FileStatusIOFailed:
+		return std::string("I/O failure");
+	case FileStatus::FileStatusVirtual:
+		return std::string("virtual buffer");
+	case FileStatus::FileStatusInvalidPermissions:
+		return std::string("invalid permissions");
+	case FileStatus::FileStatusNonExistent:
+		return std::string("file does not exist");
+	default:
+		abort();
+
+	}
+}

Buffer.h

@@ -59,6 +59,8 @@ public:
 		FileStatusNonExistent = 5,
 	};
 
+	static std::string FileStatusToString(FileStatus status);
+
 
 	static bool StatusOK(FileStatus status)
 	{ return status == FileStatus::FileStatusOK; }
@@ -74,11 +76,16 @@ public:
 	/// Instantiate a Buffer pointing to fPath.
 	Buffer(std::string fName, std::string fPath);
 
+	void Close();
+
+	/// Instantiate a buffer from a filesystem path.
+	Buffer(std::filesystem::path fPath);
+
 	std::string Name() const
 	{ return this->name; }
 
 	bool IsVirtual()
-	{ return this->file.has_value(); }
+	{ return !this->file.has_value(); }
 
 	Buffer::FileStatus Flush(OptString altPath);
 
@@ -100,6 +107,8 @@ public:
 	bool IsDirty()
 	{ return this->dirty; }
 
+	size_t Size();
+
 private:
 	void clearContents();
 

File.cc

@@ -22,9 +22,24 @@
 ///
 
 #include <filesystem>
+#include <utility>
 #include "File.h"
 
 
+File::File(std::string fPath)
+    : path(fPath), readOnly(false)
+{
+
+}
+
+
+File::File(std::filesystem::path fPath)
+    : path(std::move(fPath)), readOnly(false)
+{
+
+}
+
+
 const std::string File::Path()
 {
 	return this->path.string();
@@ -37,12 +52,6 @@ void File::SetPath(const std::string &fPath)
 }
 
 
-File::File(std::string fPath)
-	: path(fPath), readOnly(false)
-{
-
-}
-
 OptOutFileStream File::Flush()
 {
 	// Exit early if we shouldn't be writing to the file.

File.h

@@ -47,6 +47,7 @@ static constexpr std::ios::openmode	DefaultMode =
 class File {
 public:
 	File(std::string fPath);
+	File(std::filesystem::path fPath);
 
 	const std::string Path();
 	void SetPath(const std::string &fPath);

main.cc

@@ -26,7 +26,6 @@
 
 #include "Buffer.h"
 #include "Cursor.h"
-#include "LineEnding.h"
 
 
 static void
@@ -51,13 +50,30 @@ int
 main(int argc, char *argv[])
 {
 	if ((argc == 2) && (std::string(argv[1]) == "-h")) {
-		std::cout << "help?\n";
+		/// \todo proper command line parsing
 		usage(std::cout, 0);
 	}
 
-	Buffer	frame;
-	std::cout << frame.Name() << "\n";
+	for (int i = 1; i < argc; i++) {
+		std::filesystem::path	path(argv[i]);
+		std::cout << "[+] target: " << path << "\n	";
+		auto buffer = Buffer(path);
 
+		std::cout << "\t[+] created buffer " << buffer.Name() << "\n";
+		auto status = buffer.Refresh();
+		if (!Buffer::StatusOK(status)) {
+			std::cerr << "[!] failed to read buffer ";
+			std::cerr << buffer.Name() << "\n";
+			std::cerr << "\t[!] reason: ";
+			std::cerr << Buffer::FileStatusToString(status);
+			std::cerr << "\n";
+			continue;
+		}
+
+		std::cout << "\t[+] loaded buffer " << buffer.Name()
+			  << " of " << buffer.Size() << " bytes.\n";
+		buffer.Close();
+	}
 
 	return 0;
 }