Closes #11

core/dbc_parser.cpp

@@ -0,0 +1,70 @@
+/**
+ * @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 <cctype>
+#include <fstream>
+#include <stdexcept>
+
+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);
+    }
+}// namespace
+
+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);
+}