void more_examples()
{
json image_sizing;
image_sizing["resize_to_fit"] = true; // a boolean
image_sizing["resize_unit"] = "pixels"; // a string
image_sizing["resize_what"] = "long_edge"; // a string
image_sizing["dimension1"] = 9.84; // a double
image_sizing["dimension2"] = jsoncons::null_type(); // a null value
std::cout << pretty_print(image_sizing) << std::endl;
json image_formats = json::make_array();
image_formats.add("JPEG");
image_formats.add("PSD");
image_formats.add("TIFF");
image_formats.add("DNG");
json file_export;
file_export["image_formats"] = std::move(image_formats);
file_export["image_sizing"] = std::move(image_sizing);
std::cout << pretty_print(file_export) << std::endl;
size_t n = 10, m = 3;
std::vector<size_t> x(n, m);
x[5] = 3;
}
void read_csv_file2()
{
string text =
"project_id, task_name, task_start, task_finish\n"
"4001,task1,01/01/2003,01/31/2003\n"
"4001,task2,02/01/2003,02/28/2003\n"
"4001,task3,03/01/2003,03/31/2003\n"
"4002,task1,04/01/2003,04/30/2003\n"
"4002,task2,05/01/2003,";
std::istringstream is(text);
json_deserializer handler;
csv_parameters params;
params.assume_header(true);
params.trim(true);
params.ignore_empty_values(true);
params.data_types("integer,string,string,string");
csv_reader reader(is,handler,params);
reader.read();
json val = handler.get_result();
std::cout << pretty_print(val) << std::endl;
}
virtual void error(const std::string& error_code,
const std::string& message,
const parsing_context& context) throw(json_parse_exception)
{
BOOST_CHECK(error_code == error_code_);
throw json_parse_exception(message,context.line_number(),context.column_number());
}
virtual void fatal_error(const std::string& error_code,
const std::string& message,
const parsing_context& context) throw(json_parse_exception)
{
if (error_code != fatal_error_code_)
{
std::cout << error_code << " " << message << std::endl;
}
BOOST_CHECK(error_code == fatal_error_code_);
throw json_parse_exception(message,context.line_number(),context.column_number());
}
void read_csv_file1()
{
string text = "employee-no,employee-name,dept,salary\n00000001,\"Smith,Matthew\",sales,150000.00\n00000002,\"Brown,Sarah\",sales,89000.00";
std::istringstream is(text);
json_deserializer handler;
csv_parameters params;
params.assume_header(true);
params.data_types("string,string,string,float");
csv_reader reader(is,handler,params);
reader.read();
json val = handler.get_result();
std::cout << pretty_print(val) << std::endl;
}
void put_custom_data_in_object()
{
json obj;
std::vector<double> v(4);
v[0] = 0;
v[1] = 1;
v[2] = 2;
v[3] = 3;
obj.set_custom_data("myvector",v);
std::cout << pretty_print(obj) << std::endl;
std::vector<double> v1 = obj["myvector"].custom_data<std::vector<double>>();
for (size_t i = 0; i < v1.size(); ++i)
{
std::cout << v1[i] << " ";
}
std::cout << std::endl;
}
void second_example_a()
{
try
{
json books = json::make_array();
{
json book;
book["title"] = "Kafka on the Shore";
book["author"] = "Haruki Murakami";
book["price"] = 25.17;
books.add(std::move(book));
}
{
json book;
book["title"] = "Women: A Novel";
book["author"] = "Charles Bukowski";
book["price"] = 12.00;
books.add(std::move(book));
}
{
json book;
book["title"] = "Cutter's Way";
book["author"] = "Ivan Passer";
books.add(std::move(book));
}
std::cout << pretty_print(books) << std::endl;
}
catch (const std::exception& e)
{
std::cerr << e.what() << std::endl;
}
}
my_json_filter(std::ostream& os)
: serializer_(os, output_format(true))
{
}
