Initial commit

.gitignore

@@ -0,0 +1 @@
+/target/

Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "rssreader"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+rss = "2.0"
+doorlib = { git = "https://git.quinnos.com/apamment/doorlib" }
+reqwest = { version = "0.12.23", features = ["blocking"] }
+textwrap = "0.16.2"
+iconv-native = { version = "0.1.0", default-features = false, features = ["libiconv"] }

src/main.rs

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+use doorlib::{self as door, esc, Conn};
+use std::error::Error;
+use rss::Channel;
+use std::fmt::Write;
+use textwrap::wrap;
+use iconv_native::convert;
+use std::fs::File;
+use std::io::BufReader;
+fn report(mut err: &(dyn std::error::Error + 'static)) -> String {
+    let mut s = format!("{}", err);
+    while let Some(src) = err.source() {
+        let _ = write!(s, "\r\n\r\nCaused by: {}", src);
+        err = src;
+    }
+    s
+}
+
+
+fn xbit_news_feed() -> Result<Channel, Box<dyn Error>> {
+    let resp = reqwest::blocking::get("https://x-bit.org/rss/rss.xml");
+
+    match resp {
+	Ok(resp) => {
+
+    	    if resp.status().is_success() {
+	
+                let content = resp.bytes()?;
+                let channel = Channel::read_from(&content[..])?;
+                return Ok(channel);
+            }
+        },
+        Err(e) => {
+	    report(e.source().expect("REASON"));
+	}
+    }
+    Err("Error loading feed".into())
+}
+
+fn door_main(mut u: door::User) -> Result<(), Box<dyn Error>> {
+    let file = File::open("rss.xml").unwrap();
+    let channel = Channel::read_from(BufReader::new(file)).unwrap();
+
+    //let channel = xbit_news_feed()?;
+    let mut index = 0;
+    let mut start = 0;
+
+    u.write_str(format!("{}{}{} {}{}{}", esc!("[2J"), esc!("[1;1H"), esc!("[0;30;46m"), channel.title(), esc!("[K"), esc!("[0m")).as_str())?;
+    u.write_str(format!("{}{} Press Q to quit, Up and Down to Scroll {}{}", esc!("[24;1H"), esc!("[0;30;46m"), esc!("[K"), esc!("[0m")).as_str())?;
+
+    loop {
+        for i in start..start + 22 {
+            let p = format!("\x1b[{};1H", (i - start) + 2);
+
+            if i < channel.items().len() {
+               if i == index {
+                   u.write_ln(format!("{}{}{:62.62} {:16.16}{}{}", p, esc!("[1;37;45m"), String::from_utf8(convert(channel.items[i].title().unwrap_or("No Title"), "UTF-8", "ASCII//TRANSLIT").unwrap_or(channel.items[i].title().unwrap_or("No Title").into()))?, channel.items[i].pub_date().unwrap_or("??/??/????"), esc!("[K"), esc!("[0m")).as_str())?;
+               } else {
+                   u.write_ln(format!("{}{}{:62.62} {:16.16}{}{}", p, esc!("[1;37m"), String::from_utf8(convert(channel.items[i].title().unwrap_or("No Title"), "UTF-8", "ASCII//TRANSLIT").unwrap_or(channel.items[i].title().unwrap_or("No Title").into()))?, channel.items[i].pub_date().unwrap_or("??/??/????"), esc!("[K"), esc!("[0m")).as_str())?;
+               }
+            } else {
+		u.write_ln(format!("{}{}", p, esc!("[K")).as_str())?;
+            }
+        }
+        let mut ch = u.read_byte()?;
+        if ch == b'\x1b' {
+            ch = u.read_byte()?;
+            if ch == b'[' {
+                ch = u.read_byte()?;
+                if ch == b'A' {
+                    if index > 0 {
+                        index -= 1;
+                        if index < start {
+                            start -= 22;
+                        }
+                    }
+                } else if ch == b'B' {
+                   if !channel.items().is_empty() && index < channel.items().len() - 1 {
+                        index += 1;
+                        if index >= start + 22 {
+                            start += 22;
+                        }
+                   }
+               }
+	    }
+        } else if ch == b'q' || ch == b'Q' {
+           break;
+        } else if ch == b'\n' || ch == b'\r' {
+           let desc = String::from_utf8(convert(channel.items[index].description().unwrap_or("No Content"), "UTF-8", "ASCII//TRANSLIT").unwrap_or(channel.items[index].description().unwrap_or("No Content").into()))?;
+           let content = wrap(&desc, 79);
+
+           let mut cstart = 0;
+           let mut cindex = 0;
+	   loop {
+               u.write_ln(format!("{}{}{}{}{}{}", esc!("[2J"), esc!("[1;1H"), esc!("[0;30;46m"), channel.items[index].title().unwrap_or("No Title"), esc!("[K"), esc!("[0m")).as_str())?;
+               u.write_ln(format!("{}{}{}{}{}", esc!("[2;1H"), esc!("[0;30;46m"), channel.items[index].link().unwrap_or("No Link"), esc!("[K"), esc!("[0m")).as_str())?;
+               u.write_str(format!("{}{} Press ENTER to Return to menu, Up and Down to Scroll {}{}", esc!("[24;1H"), esc!("[0;30;46m"), esc!("[K"), esc!("[0m")).as_str())?;
+               for i in cstart..cstart+20 {
+                  let p = format!("\x1b[{};1H", (i - cstart) + 3);
+                  if i < content.len() {
+              	     u.write_ln(format!("{}{}{}", p, &content[i], esc!("[K")).as_str())?;
+                  } else {
+                     u.write_ln(format!("{}{}", p, esc!("[K")).as_str())?;
+                 }
+               }
+               ch = u.read_byte()?;
+
+               if ch == b'\n' || ch == b'\r' || ch == b'q' || ch == b'Q' {
+                   break;
+               } else if ch == b'\x1b' {
+                   ch = u.read_byte()?;
+                   if ch == b'[' {
+                        ch = u.read_byte()?;
+                        if ch == b'A' {
+                            if cindex > 0 {
+                                cindex -= 20;
+                                if cindex < cstart {
+                                     cstart -= 20;
+                                 }
+                             }
+                         } else if ch == b'B' {
+                             if !content.is_empty() && cindex + 20 < content.len() {
+                                 cindex += 20;
+                                 if cindex >= cstart + 20 {
+                                      cstart += 20;
+                                 }
+                             }
+                        }
+                   }
+               }
+	   }
+
+
+           u.write_str(format!("{}{}{} {}{}{}", esc!("[2J"), esc!("[1;1H"), esc!("[0;30;46m"), String::from_utf8(convert(channel.title(), "UTF-8", "ASCII//TRANSLIT").unwrap_or(channel.title().into()))?, esc!("[K"), esc!("[0m")).as_str())?;
+	   u.write_str(format!("{}{} Press Q to quit, Up and Down to Scroll {}{}", esc!("[24;1H"), esc!("[0;30;46m"), esc!("[K"), esc!("[0m")).as_str())?;
+
+        }
+    }
+    Ok(())
+}
+
+fn main() {
+    let u = door::init().unwrap();
+
+    let _ = door_main(u);
+}