122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
#include "files.h"
|
|
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include <memory>
|
|
#include <stdint.h>
|
|
#include <stdexcept>
|
|
#include "../coders/json.h"
|
|
#include "../util/stringutil.h"
|
|
|
|
namespace fs = std::filesystem;
|
|
|
|
files::rafile::rafile(fs::path filename)
|
|
: file(filename, std::ios::binary | std::ios::ate) {
|
|
if (!file) {
|
|
throw std::runtime_error("could not to open file "+filename.string());
|
|
}
|
|
filelength = file.tellg();
|
|
file.seekg(0);
|
|
}
|
|
|
|
size_t files::rafile::length() const {
|
|
return filelength;
|
|
}
|
|
|
|
void files::rafile::seekg(std::streampos pos) {
|
|
file.seekg(pos);
|
|
}
|
|
|
|
void files::rafile::read(char* buffer, std::streamsize size) {
|
|
file.read(buffer, size);
|
|
}
|
|
|
|
bool files::write_bytes(fs::path filename, const char* data, size_t size) {
|
|
std::ofstream output(filename, std::ios::binary);
|
|
if (!output.is_open())
|
|
return false;
|
|
output.write(data, size);
|
|
output.close();
|
|
return true;
|
|
}
|
|
|
|
uint files::append_bytes(fs::path filename, const char* data, size_t size) {
|
|
std::ofstream output(filename, std::ios::binary | std::ios::app);
|
|
if (!output.is_open())
|
|
return 0;
|
|
uint position = output.tellp();
|
|
output.write(data, size);
|
|
output.close();
|
|
return position;
|
|
}
|
|
|
|
bool files::read(fs::path filename, char* data, size_t size) {
|
|
std::ifstream output(filename, std::ios::binary);
|
|
if (!output.is_open())
|
|
return false;
|
|
output.read(data, size);
|
|
output.close();
|
|
return true;
|
|
}
|
|
|
|
char* files::read_bytes(fs::path filename, size_t& length) {
|
|
std::ifstream input(filename, std::ios::binary);
|
|
if (!input.is_open())
|
|
return nullptr;
|
|
input.seekg(0, std::ios_base::end);
|
|
length = input.tellg();
|
|
input.seekg(0, std::ios_base::beg);
|
|
|
|
std::unique_ptr<char> data(new char[length]);
|
|
input.read(data.get(), length);
|
|
input.close();
|
|
return data.release();
|
|
}
|
|
|
|
std::string files::read_string(fs::path filename) {
|
|
size_t size;
|
|
std::unique_ptr<char> chars (read_bytes(filename, size));
|
|
if (chars == nullptr) {
|
|
throw std::runtime_error("could not to load file '"+
|
|
filename.string()+"'");
|
|
}
|
|
return std::string(chars.get(), size);
|
|
}
|
|
|
|
bool files::write_string(fs::path filename, const std::string content) {
|
|
std::ofstream file(filename);
|
|
if (!file) {
|
|
return false;
|
|
}
|
|
file << content;
|
|
return true;
|
|
}
|
|
|
|
json::JObject* files::read_json(fs::path file) {
|
|
std::string text = files::read_string(file);
|
|
try {
|
|
return json::parse(file.string(), text);
|
|
} catch (const parsing_error& error) {
|
|
std::cerr << error.errorLog() << std::endl;
|
|
throw std::runtime_error("could not to parse "+file.string());
|
|
}
|
|
}
|
|
|
|
std::vector<std::string> files::read_list(fs::path filename) {
|
|
std::ifstream file(filename);
|
|
if (!file) {
|
|
throw std::runtime_error("could not to open file "+filename.u8string());
|
|
}
|
|
std::vector<std::string> lines;
|
|
std::string line;
|
|
while (std::getline(file, line)) {
|
|
util::trim(line);
|
|
if (line.length() == 0)
|
|
continue;
|
|
if (line[0] == '#')
|
|
continue;
|
|
lines.push_back(line);
|
|
}
|
|
return lines;
|
|
}
|