104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/*
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* Author:
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* Sven Czarnian <devel@svcz.de>
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* Brief:
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* Implements the communication file format
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* Copyright:
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* 2021 Sven Czarnian
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* License:
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* GNU General Public License v3 (GPLv3)
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*/
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#include <fstream>
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#include <gsl/gsl>
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#include <aman/config/CommunicationFileFormat.h>
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#include <aman/helper/String.h>
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using namespace aman;
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CommunicationFileFormat::CommunicationFileFormat() :
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FileFormat() { }
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bool CommunicationFileFormat::parse(const std::string& filename, Communication& config) {
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config.valid = true;
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std::ifstream stream(filename);
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if (false == stream.is_open()) {
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this->m_errorMessage = "Unable to open the configuration file: " + filename;
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this->m_errorLine = 0;
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config.valid = false;
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return false;
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}
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std::string line;
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std::uint32_t lineOffset = 0;
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while (std::getline(stream, line)) {
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std::string value;
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lineOffset += 1;
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/* skip a new line */
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if (0 == line.length())
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continue;
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/* trimm the line and check if a comment line is used */
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std::string trimmed = String::trim(line);
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if (0 == trimmed.find_first_of('#', 0))
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continue;
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auto entry = String::splitString(trimmed, "=");
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if (2 > entry.size()) {
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this->m_errorLine = lineOffset;
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this->m_errorMessage = "Invalid configuration entry";
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config.valid = false;
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return false;
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}
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else if (2 < entry.size()) {
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for (std::size_t idx = 1; idx < entry.size() - 1; ++idx)
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value += gsl::at(entry, idx) + "=";
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value += entry.back();
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}
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else {
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value = gsl::at(entry, 1);
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}
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/* found an invalid line */
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if (0 == value.length()) {
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this->m_errorLine = lineOffset;
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this->m_errorMessage = "Invalid entry";
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config.valid = false;
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return false;
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}
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if ("Address" == gsl::at(entry, 0)) {
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config.address = gsl::at(entry, 1);
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}
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else if ("HttpsProtocol" == gsl::at(entry, 0)) {
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config.httpsProtocol = "0" != gsl::at(entry, 1);
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}
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else if ("PortBackend" == gsl::at(entry, 0)) {
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config.portBackend = static_cast<std::uint16_t>(std::atoi(gsl::at(entry, 1).c_str()));
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}
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else if ("PortRestAPI" == gsl::at(entry, 0)) {
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config.portRestAPI = static_cast<std::uint16_t>(std::atoi(gsl::at(entry, 1).c_str()));
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}
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else {
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this->m_errorLine = lineOffset;
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this->m_errorMessage = "Unknown entry: " + gsl::at(entry, 0);
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config.valid = false;
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return false;
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}
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}
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if (0 == lineOffset) {
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this->m_errorLine = 0;
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this->m_errorMessage = "No data found in " + filename;
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config.valid = false;
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return false;
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}
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return true;
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}
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