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Refactored write orders to be independent objects, to support parsing reads

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This commit is contained in:
TQ Hirsch
2020-11-11 19:38:20 +01:00
parent cfdfedb5b4
commit 3f0aaa259d
5 changed files with 289 additions and 115 deletions
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59
examples/demo3270.rs
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@@ -2,6 +2,7 @@ use structopt::StructOpt;
use std::time::Duration;
use tn3270s::tn3270;
use tn3270s::tn3270::stream::WriteOrder::SetBufferAddress;
#[derive(StructOpt)]
pub struct Cli {
@@ -12,16 +13,58 @@ pub struct Cli {
}
// _~^~^~_
// \) / o o \ (/
// '_ ¬ _'
// / '-----' \
// 1234567890123456
static rust_logo: [&'static str; 4] = [
r#" _~^~^~_ "#,
r#" \) / o o \ (/ "#,
r#" '_ ¬ _' "#,
r#" / '-----' \ "#,
];
fn run(mut session: tn3270::Session) -> anyhow::Result<()> {
use tn3270::stream::*;
let mut record = WriteCommand::new(WriteCommandCode::Write, WCC::RESET | WCC::KBD_RESTORE);
let bufsz = BufferAddressCalculator { width: 80, height: 24 };
record.set_buffer_address(0)
.erase_unprotected_to_address(bufsz.encode_address(79, 23))
.set_buffer_address(bufsz.encode_address(31,1))
.set_attribute(ExtendedFieldAttribute::ForegroundColor(Color::Red))
.send_text("Hello from Rust!");
session.send_record(record)?;
let mut record = WriteCommand {
command: WriteCommandCode::Write,
wcc: WCC::RESET | WCC::KBD_RESTORE | WCC::RESET_MDT,
orders: vec![
WriteOrder::SetBufferAddress(0),
WriteOrder::EraseUnprotectedToAddress(bufsz.last_address()),
WriteOrder::SetBufferAddress(bufsz.encode_address(1, 31)),
WriteOrder::StartFieldExtended(FieldAttribute::PROTECTED, vec![
// ExtendedFieldAttribute::ForegroundColor(Color::Red),
]),
WriteOrder::SendText("Hello from Rust!".into()),
WriteOrder::SetBufferAddress(bufsz.encode_address(8, 21)),
WriteOrder::StartFieldExtended(FieldAttribute::INTENSE_SELECTOR_PEN_DETECTABLE, vec![]),
WriteOrder::SendText(" ".into()),
WriteOrder::StartField(FieldAttribute::PROTECTED),
WriteOrder::SetBufferAddress(bufsz.encode_address(8, 10)),
WriteOrder::StartFieldExtended(FieldAttribute::PROTECTED, vec![
ExtendedFieldAttribute::ForegroundColor(Color::Turquoise),
]),
WriteOrder::SendText("Name:".into()),
],
};
for (i, line) in rust_logo.iter().enumerate() {
record.orders.push(WriteOrder::SetBufferAddress(bufsz.encode_address(3+i as u16, 31)));
record.orders.push(WriteOrder::StartFieldExtended(FieldAttribute::PROTECTED, vec![
ExtendedFieldAttribute::ForegroundColor(Color::Red),
]));
record.orders.push(WriteOrder::SendText((*line).into()));
}
session.send_record(&record)?;
session.send_record(&WriteCommand{
command: WriteCommandCode::Write,
wcc: WCC::RESET_MDT | WCC::KBD_RESTORE,
orders: vec![],
})?;
let record = session.receive_record(None)?;
if let Some(record) = record {
@@ -31,7 +74,7 @@ fn run(mut session: tn3270::Session) -> anyhow::Result<()> {
}
std::thread::sleep(Duration::from_secs(60));
std::thread::sleep(Duration::from_secs(5));
Ok(())
}