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Add helper function to print BT_Value variants and update main function for better array handling

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ImBenji
2025-09-18 06:52:25 +01:00
parent 68d4995a8b
commit d23d7cfa6a
1 changed files with 50 additions and 24 deletions
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74
cpp/binary_table.h
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@@ -416,6 +416,27 @@ inline std::vector<BT_FreeListEntry> decodeFreeList(const std::vector<uint8_t>&
return freeList; return freeList;
} }
// Helper to print BT_Value variant
inline std::string printBTValue(const BT_Value& v) {
if (std::holds_alternative<int>(v)) return std::to_string(std::get<int>(v));
if (std::holds_alternative<double>(v)) return std::to_string(std::get<double>(v));
if (std::holds_alternative<std::string>(v)) return '"' + std::get<std::string>(v) + '"';
if (std::holds_alternative<std::vector<int>>(v)) {
const auto& arr = std::get<std::vector<int>>(v);
std::ostringstream oss; oss << "[";
for (size_t i = 0; i < arr.size(); ++i) { if (i) oss << ", "; oss << arr[i]; }
oss << "]"; return oss.str();
}
if (std::holds_alternative<std::vector<double>>(v)) {
const auto& arr = std::get<std::vector<double>>(v);
std::ostringstream oss; oss << "[";
for (size_t i = 0; i < arr.size(); ++i) { if (i) oss << ", "; oss << arr[i]; }
oss << "]"; return oss.str();
}
if (std::holds_alternative<BT_UniformArray>(v)) return std::get<BT_UniformArray>(v).to_string(true);
return "<unknown>";
}
// --- Main function for testing --- // --- Main function for testing ---
#ifdef BINARY_TABLE_MAIN #ifdef BINARY_TABLE_MAIN
#include <iostream> #include <iostream>
@@ -423,12 +444,9 @@ inline std::vector<BT_FreeListEntry> decodeFreeList(const std::vector<uint8_t>&
int main() { int main() {
const std::string filename = "example.bin"; const std::string filename = "example.bin";
// Remove file if it exists
std::remove(filename.c_str()); std::remove(filename.c_str());
// Create file
std::ofstream(filename).close(); std::ofstream(filename).close();
BinaryTable table(filename); BinaryTable table(filename);
// No explicit initialise needed, but could be added if desired
std::cout << "File dump:" << std::endl; std::cout << "File dump:" << std::endl;
{ {
@@ -438,32 +456,40 @@ int main() {
std::cout << "File size: " << data.size() << " bytes\n" << std::endl; std::cout << "File size: " << data.size() << " bytes\n" << std::endl;
} }
// Insert arrays
table.set("int_array", std::vector<int>{6, 3, 9, 2, 5}); table.set("int_array", std::vector<int>{6, 3, 9, 2, 5});
table.set("float_array", std::vector<double>{1.5, 2.5, 3.5}); table.set("float_array", std::vector<double>{1.5, 2.5, 3.5});
table.set("empty", std::vector<int>{}); table.set("empty", std::vector<int>{});
// Modify arrays // Modify arrays
BT_UniformArray intArr = std::get<BT_UniformArray>(table.get("int_array")); auto v1 = table.get("int_array");
BT_UniformArray floatArr = std::get<BT_UniformArray>(table.get("float_array")); auto v2 = table.get("float_array");
intArr.set(0, 1); if (std::holds_alternative<BT_UniformArray>(v1)) {
floatArr.set(1, 4.5); BT_UniformArray intArr = std::get<BT_UniformArray>(v1);
intArr.set(0, 1);
std::cout << "int_array pointer: " << intArr._pointer.to_string() << std::endl; intArr.add(10);
std::cout << "float_array pointer: " << floatArr._pointer.to_string() << std::endl; intArr.addAll({420, 69, 1337, 1738});
std::cout << "int_array pointer: " << intArr._pointer.to_string() << std::endl;
intArr.add(10); std::cout << "Readback1: " << intArr.to_string(true) << std::endl;
floatArr.add(5.5); } else {
intArr.addAll({420, 69, 1337, 1738}); std::cout << "int_array is not a BT_UniformArray!\n";
floatArr.addAll({6.5, 7.5, 8.5}); }
if (std::holds_alternative<BT_UniformArray>(v2)) {
auto readback1 = intArr.to_string(true); BT_UniformArray floatArr = std::get<BT_UniformArray>(v2);
auto readback2 = floatArr.to_string(true); floatArr.set(1, 4.5);
BT_UniformArray emptyArr = std::get<BT_UniformArray>(table.get("empty")); floatArr.add(5.5);
auto readback3 = emptyArr.to_string(true); floatArr.addAll({6.5, 7.5, 8.5});
std::cout << "Readback1: " << readback1 << std::endl; std::cout << "float_array pointer: " << floatArr._pointer.to_string() << std::endl;
std::cout << "Readback2: " << readback2 << std::endl; std::cout << "Readback2: " << floatArr.to_string(true) << std::endl;
std::cout << "Readback3: " << readback3 << std::endl; } else {
std::cout << "float_array is not a BT_UniformArray!\n";
}
auto v3 = table.get("empty");
if (std::holds_alternative<BT_UniformArray>(v3)) {
BT_UniformArray emptyArr = std::get<BT_UniformArray>(v3);
std::cout << "Readback3: " << emptyArr.to_string(true) << std::endl;
} else {
std::cout << "empty is not a BT_UniformArray!\n";
}
std::cout << "\nFile dump:" << std::endl; std::cout << "\nFile dump:" << std::endl;
{ {