Zig

Send UTF-16 on TCP or TLS Socket

See more Socket/SSL/TLS Examples

Demonstrates how to send a string on a connected TCP or SSL/TLS socket such that it is the utf-16 byte representation that is sent. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const socket = try chilkat.Socket.init();
    defer socket.deinit();

    const tls = false;
    const max_wait_ms = 20000;
    const domain_or_ip_addr = "example.com";
    const port = 1234;

    // Connect to the whatever is expecting our connection...
    socket.connect(domain_or_ip_addr, port, tls, max_wait_ms) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // Let's say we have an XML file saved in the utf-16 byte representation,
    // and we want to send it over the connection using the utf-16 byte representation...

    // First the file into a Chilkat StringBuilder.
    // Tell the LoadFile method that we are reading utf-16 bytes..
    const sb_xml = try chilkat.StringBuilder.init();
    defer sb_xml.deinit();
    sb_xml.loadFile("qa_data/xml/myUtf16.xml", "utf-16") catch {
        std.debug.print("Failed to load utf-16 XML file..\n", .{});
        return;
    };

    // Tell the socket object that we wish to send the utf-16 byte representation of the string.
    socket.setStringCharset("utf-16");

    // Send the string as utf-16 bytes.
    socket.sendSb(sb_xml) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // Let's say we wanted to instead send the string as utf-8 bytes.
    // Just tell the socket object...
    socket.setStringCharset("utf-8");

    // Send the string as utf-8 bytes.
    socket.sendSb(sb_xml) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // If our XML file was utf-8, then just tell the StringBuilder that we're reading utf-8.
    // Once the text is properly contained in the StringBuilder, we can send the contents in any other charset (windows-1252, utf-16, utf-8, etc.)
    // as long as it make sense (i.e. we obviously can't send Japanese text using a single-byte charset such as Windows-1252).
    sb_xml.loadFile("qa_data/xml/myUtf8.xml", "utf-8") catch {
        std.debug.print("Failed to load utf-8 XML file..\n", .{});
        return;
    };

    // Send as utf-16
    socket.setStringCharset("utf-16");

    // Send the string as utf-16 bytes.
    socket.sendSb(sb_xml) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // ...
    // ...
}