Working on backing files.

Also started a sketches project to illustrate quick ideas.

sketches/ReadFile.cc

@@ -0,0 +1,87 @@
+///
+/// \file ReadFile.cc
+/// \author kyle 
+/// \created 2023-10-11
+/// \brief ReadFile tests reading a file.
+///
+/// \section COPYRIGHT
+/// Copyright 2023 K. Isom <kyle@imap.cc>
+///
+/// Permission to use, copy, modify, and/or distribute this software for
+/// any purpose with or without fee is hereby granted, provided that the
+/// above copyright notice and this permission notice appear in all copies.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+/// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+/// WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+/// BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
+/// OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+/// WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+/// ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+/// SOFTWARE.
+///
+
+#include <cstdint>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <iterator>
+#include <string>
+#include <vector>
+
+
+int
+readFile(const std::string path)
+{
+	std::cout << "[+] opening " << path << "\n";
+	std::ifstream input(path, std::ios::in);
+
+	if (!input.good()) {
+		std::cerr << "[!] failed to open " << path << "\n";
+		input.close();
+		return -1;
+	}
+
+	std::cout << "[+] reading from " << path << "\n";
+	std::vector<std::vector<uint8_t>> doc;
+	while (input.good()) {
+		std::string temp;
+		while (std::getline(input, temp)) {
+			std::cout << "[+] line: " << temp << "\n";
+			std::vector<uint8_t> row(temp.begin(), temp.end());
+			doc.push_back(row);
+		}
+	}
+
+	std::cout << "[+] finished reading document\n";
+	std::cout << "\tgood: " << input.good() << "\n";
+	std::cout << "\tfail: " << input.fail() << "\n";
+	std::cout << "\t bad: " << input.bad() << "\n";
+	std::cout << "\t eof: " << input.eof() << "\n";
+
+	input.close();
+
+	std::cout << "[+] dumping document of " << doc.size() << " lines.\n";
+	for (size_t i = 0; i < doc.size(); i++) {
+		std::cout << "line " << std::setw(3) << i << ": ";
+		std::copy(doc[i].begin(), doc[i].end(),
+			  std::ostream_iterator<uint8_t>(std::cout, ""));
+		std::cout << "\n";
+	}
+
+	return 0;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	for (int i = 1; i < argc; i++) {
+		std::cout << "[+] input file: " << argv[i] << "\n";
+		if (readFile(std::string(argv[i])) != 0) {
+			std::cerr << "[!] failed\n";
+		} else {
+			std::cout << "[+] OK\n";
+		}
+	}
+}