WiiUPluginLoaderBackend/source/plugin/PluginDataFactory.cpp

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/****************************************************************************
* Copyright (C) 2018 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "PluginDataFactory.h"
#include "utils/logger.h"
#include "utils/StringTools.h"
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std::vector<PluginData> PluginDataFactory::loadDir(const std::string &path, MEMHeapHandle heapHandle) {
std::vector<PluginData> result;
struct dirent *dp;
DIR *dfd = NULL;
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if (path.empty()) {
DEBUG_FUNCTION_LINE("Path was empty\n");
return result;
}
if ((dfd = opendir(path.c_str())) == NULL) {
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DEBUG_FUNCTION_LINE("Couldn't open dir %s\n", path.c_str());
return result;
}
while ((dp = readdir(dfd)) != NULL) {
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struct stat stbuf;
std::string full_file_path = StringTools::strfmt("%s/%s", path.c_str(), dp->d_name);
StringTools::RemoveDoubleSlashs(full_file_path);
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if (stat(full_file_path.c_str(), &stbuf) == -1) {
DEBUG_FUNCTION_LINE("Unable to stat file: %s\n", full_file_path.c_str());
continue;
}
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if ((stbuf.st_mode & S_IFMT) == S_IFDIR) { // Skip directories
continue;
} else {
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DEBUG_FUNCTION_LINE("Found file: %s\n", full_file_path.c_str());
auto pluginData = load(full_file_path, heapHandle);
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if (pluginData) {
result.push_back(pluginData.value());
}
}
}
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if (dfd != NULL) {
closedir(dfd);
}
return result;
}
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std::optional<PluginData> PluginDataFactory::load(const std::string &filename, MEMHeapHandle heapHandle) {
// open the file:
DEBUG_FUNCTION_LINE();
std::ifstream file(filename, std::ios::binary);
DEBUG_FUNCTION_LINE();
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if (!file.is_open()) {
DEBUG_FUNCTION_LINE("Failed to open %s", filename.c_str());
return std::nullopt;
}
// Stop eating new lines in binary mode!!!
file.unsetf(std::ios::skipws);
DEBUG_FUNCTION_LINE();
// get its size:
std::streampos fileSize;
DEBUG_FUNCTION_LINE();
file.seekg(0, std::ios::end);
fileSize = file.tellg();
file.seekg(0, std::ios::beg);
DEBUG_FUNCTION_LINE();
std::vector<uint8_t> vBuffer;
vBuffer.reserve(fileSize);
DEBUG_FUNCTION_LINE();
// read the data:
vBuffer.insert(vBuffer.begin(),
std::istream_iterator<uint8_t>(file),
std::istream_iterator<uint8_t>());
DEBUG_FUNCTION_LINE("Loaded file");
return load(vBuffer, heapHandle);
}
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std::optional<PluginData> PluginDataFactory::load(std::vector<uint8_t> &buffer, MEMHeapHandle heapHandle) {
if (buffer.empty()) {
return std::nullopt;
}
PluginData pluginData(buffer, heapHandle, eMemoryTypes::eMemTypeExpHeap);
return pluginData;
}