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dbc/dbc_parser.cpp
T

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1.7 KiB
C++

/**
* @file dbc_parser.cpp
* @brief
*
* Created: 2026-03-13
* Author: Deeaitch (Dim. Himro)
*
* Licensed under the MIT License.
* See LICENSE file in the project root for full license text.
*/
#include "dbc_parser.h"
#include "dbc_statement_handler.h"
#include <fstream>
#include <stdexcept>
#include <cctype>
namespace {
/**
* @brief Remove leading and trailing spaces.
* @param text Input text.
* @return Trimmed text.
*/
std::string TrimText (const std::string &text) {
std::string::size_type begin = 0U;
while ((begin < text.size()) &&
std::isspace (static_cast<unsigned char> (text[begin])))
++begin;
std::string::size_type end = text.size();
while ((end > begin) &&
std::isspace (static_cast<unsigned char> (text[end - 1U])))
--end;
return text.substr (begin, end - begin);
}
}
DbcDatabase DbcParser::ParseFile (const std::string &filePath) const {
std::ifstream input (filePath.c_str());
if (!input.is_open())
throw std::runtime_error ("Failed to open DBC file: " + filePath);
DbcDatabase database;
DbcParseContext context {database, nullptr};
const DbcStatementDispatcher dispatcher;
std::size_t lineNumber = 0U;
std::string line;
while (std::getline (input, line)) {
++lineNumber;
line = Trim (line);
if (line.empty())
continue;
try {
dispatcher.Dispatch (line, context);
} catch (const std::exception &error) {
throw std::runtime_error (filePath + ":" + std::to_string (lineNumber) +
": " + error.what());
}
}
return database;
}
std::string DbcParser::Trim (const std::string &text) {
return TrimText (text);
}