libgcns: C++ version

src/gcns/CMakeLists.txt

@@ -2,9 +2,10 @@ cmake_minimum_required(VERSION 3.18)
 
 project(gcns VERSION 1.0 DESCRIPTION "Italian healthcare smart card parsing utility")
 
-add_library(gcns SHARED gcns.c)
-set_target_properties(gcns PROPERTIES PUBLIC_HEADER gcns.h)
+add_library(gcns SHARED gcns.c gcns.cpp)
 target_include_directories(gcns PUBLIC ../.. .. .)
+install(TARGETS gcns LIBRARY)
+install(FILES gcns.h gcns.hpp DESTINATION include)
 
 add_executable(main main.c ../tools/util.c)
 target_link_libraries(main gcns opensc bsd)

src/gcns/gcns.cpp

@@ -0,0 +1,71 @@
+#include "gcns.hpp"
+
+#include <vector>
+
+using namespace gcns;
+
+PersonalData::PersonalData(const uint8_t* buffer, size_t len) {
+    std::vector<std::string> field;
+
+    // TODO check length at the beginning?
+    for (int i = 12; i < len;) {
+        if (buffer[i] == '\0') break;
+
+        std::string hexstring((const char*)&buffer[i], 2);
+        int len = std::stoi(hexstring, nullptr, 16);
+        i += 2;
+        std::string fieldData((const char*)&buffer[i], len);
+        i += len;
+
+        field.push_back(fieldData);
+    }
+
+    for (int i = 0; i < (int)field.size(); ++i) {
+        switch (i) {
+            case 0:
+                this->issue_date.year =
+                    std::stoi(field[i].substr(4, 4), nullptr);
+                this->issue_date.month =
+                    std::stoi(field[i].substr(2, 2), nullptr);
+                this->issue_date.day =
+                    std::stoi(field[i].substr(0, 2), nullptr);
+                break;
+            case 1:
+                this->expiration_date.year =
+                    std::stoi(field[i].substr(4, 4), nullptr);
+                this->expiration_date.month =
+                    std::stoi(field[i].substr(2, 2), nullptr);
+                this->expiration_date.day =
+                    std::stoi(field[i].substr(0, 2), nullptr);
+                break;
+            case 2:
+                this->family_name = field[i];
+                break;
+            case 3:
+                this->first_name = field[i];
+                break;
+            case 4:
+                this->birth_date.year =
+                    std::stoi(field[i].substr(4, 4), nullptr);
+                this->birth_date.month =
+                    std::stoi(field[i].substr(2, 2), nullptr);
+                this->birth_date.day =
+                    std::stoi(field[i].substr(0, 2), nullptr);
+                break;
+            case 5:
+                this->gender = field[i] == "F" ? GENDER_FEMALE : GENDER_MALE;
+                break;
+            case 7:
+                this->fiscal_code = field[i];
+                break;
+            case 9:
+                this->birth_place = field[i];
+                break;
+            case 12:
+                this->residence_place = field[i];
+                break;
+            default:
+                break;
+        }
+    }
+}

src/gcns/gcns.hpp

@@ -0,0 +1,34 @@
+#ifndef GCNS_CPP
+#define GCNS_CPP
+
+#include <string>
+
+namespace gcns {
+
+enum Gender { GENDER_MALE, GENDER_FEMALE };
+
+struct Date {
+    uint16_t year;
+    uint8_t month;
+    uint8_t day;
+};
+
+class PersonalData {
+   private:
+    std::string first_name;
+    std::string family_name;
+    std::string fiscal_code;
+    std::string birth_place;
+    Date birth_date;
+    std::string residence_place;
+    Gender gender;
+    Date issue_date;
+    Date expiration_date;
+
+   public:
+    PersonalData(const uint8_t* personal_data, size_t len);
+};
+
+}  // namespace gcns
+
+#endif