bin: add an attribute field and display hierarchy using Printer

src/bin/kbinxml.rs

@@ -15,7 +15,7 @@ use std::net::Ipv4Addr;
 use std::str;
 
 use failure::Fail;
-use kbinxml::{Ip4Addr, KbinXml, Options, from_bytes, to_bytes};
+use kbinxml::{Ip4Addr, KbinXml, Options, Printer, from_bytes, to_bytes};
 use minidom::Element;
 use quick_xml::Writer;
 
@@ -33,6 +33,7 @@ pub struct Testing2 {
 #[derive(Debug, Deserialize, Serialize)]
 #[serde(rename = "test")]
 pub struct Testing {
+  #[serde(rename = "attr_the_attr")] the_attr: String,
   hi: u8,
   ok: [u8; 3],
   hhh: (u8, u8),
@@ -128,6 +129,7 @@ fn main() -> std::io::Result<()> {
       //println!("element: {:#?}", element);
       let text_original = to_text(&element)?;
       display_buf(&text_original)?;
+      Printer::run(&contents).unwrap();
 
       let options = Options::with_encoding(encoding_original);
       let buf = KbinXml::to_binary_with_options(options, &element).map_err(display_err)?;
@@ -139,6 +141,7 @@ fn main() -> std::io::Result<()> {
       let options = Options::default();
       let buf = KbinXml::to_binary_with_options(options, &element).map_err(display_err)?;
       eprintln!("data: {:02x?}", buf);
+      Printer::run(&buf).unwrap();
 
       let mut stdout = stdout();
       stdout.lock().write_all(&buf)?;
@@ -152,6 +155,7 @@ fn main() -> std::io::Result<()> {
     */
   } else {
     let obj = Testing {
+      the_attr: "the_value".to_string(),
       hi: 12,
       ok: [12, 24, 48],
       hhh: (55, 66),
@@ -172,8 +176,12 @@ fn main() -> std::io::Result<()> {
     let mut file = File::create("testing.kbin")?;
     file.write_all(&bytes)?;
 
-    let obj2: Testing = from_bytes(&bytes).unwrap();
-    eprintln!("obj2: {:#?}", obj2);
+    match from_bytes::<Testing>(&bytes) {
+      Ok(obj2) => eprintln!("obj2: {:#?}", obj2),
+      Err(e) => eprintln!("Unable to parse generated kbin back to struct: {:#?}", e),
+    };
+
+    Printer::run(&bytes).unwrap();
   }
   Ok(())
 }

src/lib.rs

@@ -29,6 +29,7 @@ mod error;
 mod ip4;
 mod node_types;
 mod options;
+mod printer;
 mod reader;
 mod sixbit;
 
@@ -42,6 +43,7 @@ use sixbit::pack_sixbit;
 
 // Public exports
 pub use encoding_type::EncodingType;
+pub use printer::Printer;
 pub use error::{KbinError, KbinErrorKind, Result};
 pub use options::Options;
 pub use de::from_bytes;
@@ -120,13 +122,7 @@ impl KbinXml {
           StandardType::Binary => {
             to.set_attr("__type", xml_type.name);
 
-            /*
-            let size = reader.data_buf.read_u32::<BigEndian>().context(KbinErrorKind::BinaryLengthRead)?;
-            let data = reader.data_buf.get(size)?;
-            reader.data_buf.realign_reads(None)?;
-            */
             let data = reader.read_bytes().context(KbinErrorKind::BinaryLengthRead)?;
-
             to.set_attr("__size", data.len());
 
             let len = data.len() * 2;
@@ -215,7 +211,7 @@ impl KbinXml {
 
     let (array_mask, count) = match input.attr("__count") {
       Some(count) => {
-        let count = count.parse::<i8>().context(KbinErrorKind::StringParse("array count"))?;
+        let count = count.parse::<u32>().context(KbinErrorKind::StringParse("array count"))?;
         debug!("write_node => __count = {}", count);
         (ARRAY_MASK, count)
       },

src/printer.rs

@@ -0,0 +1,42 @@
+use error::Result;
+use node_types::StandardType;
+use reader::Reader;
+
+pub struct Printer;
+
+impl Printer {
+  pub fn run(input: &[u8]) -> Result<()> {
+    let mut reader = Reader::new(input)?;
+    let mut nodes = Vec::new();
+
+    while let Ok((node_type, is_array)) = reader.read_node_type() {
+      let identifier = match node_type {
+        StandardType::NodeEnd |
+        StandardType::FileEnd => None,
+        _ => Some(reader.read_node_identifier()?),
+      };
+      nodes.push((node_type, is_array, identifier));
+
+      if node_type == StandardType::FileEnd {
+        break;
+      }
+    }
+
+    let mut indent = 0;
+    for (node_type, is_array, identifier) in nodes {
+      eprint!("{:indent$} - {:?} (is_array: {}", "", node_type, is_array, indent = indent);
+      if let Some(identifier) = identifier {
+        eprint!(", identifier: {}", identifier);
+      }
+      eprintln!(")");
+
+      match node_type {
+        StandardType::Attribute => {},
+        StandardType::NodeEnd => indent -= 2,
+        _ => indent += 2,
+      };
+    }
+
+    Ok(())
+  }
+}