CLI works!

Cargo.lock

@@ -51,6 +51,7 @@ version = "0.2.0"
 dependencies = [
  "miniserde",
  "miniz_oxide",
+ "xmlparser",
 ]
 
 [[package]]
@@ -93,3 +94,9 @@ name = "unicode-ident"
 version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+
+[[package]]
+name = "xmlparser"
+version = "0.13.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"

Cargo.toml

@@ -8,3 +8,4 @@ license = "MIT"
 [dependencies]
 miniz_oxide = { version = "0.6", default-features = false }
 miniserde = "0.1"
+xmlparser = "0.13.5"

src/bin/cli.rs

@@ -1,184 +1,92 @@
-use std::{
-    io::{stdout, Write},
-    ops::Neg,
-};
-
 use monokakido::{Error, MonokakidoDict};
 
-fn get_first_audio_id(page: &str) -> Result<&str, Error> {
-    if let Some((_, sound_tail)) = page.split_once("<sound>") {
-        if let Some((sound, _)) = sound_tail.split_once("</sound>") {
-            if let Some((head_id, _)) = sound.split_once(".aac") {
-                if let Some((_, id)) = head_id.split_once("href=\"") {
-                    return Ok(id);
+fn print_help() {
+    println!("Monokakido CLI. Supported subcommands:");
+    println!("list - lists all dictionaries installed in the standard path");
+    println!("list_items {{dict}} {{keyword}} - lists all items");
+    println!("list_audio {{dict}} {{keyword}} - lists all audio files");
+    println!("help - this help");
+}
+
+fn list_items(dict_name: &str, keyword: &str) -> Result<(), Error> {
+    let mut dict = MonokakidoDict::open(dict_name)?;
+    let (_, items) = dict.keys.search_exact(keyword)?;
+
+    for id in items {
+        let item = dict.pages.get_item(id)?;
+        println!("{item}");
+    }
+    Ok(())
+}
+
+fn list_pages(dict_name: &str, keyword: &str) -> Result<(), Error> {
+    let mut dict = MonokakidoDict::open(dict_name)?;
+    let (_, items) = dict.keys.search_exact(keyword)?;
+
+    for id in items {
+        let page = dict.pages.get_page(id)?;
+        println!("{page}");
+    }
+    Ok(())
+}
+
+fn list_audio(dict_name: &str, keyword: &str) -> Result<(), Error> {
+    let mut dict = MonokakidoDict::open(dict_name)?;
+    let (_, items) = dict.keys.search_exact(keyword)?;
+
+    for id in items {
+        for audio in dict.pages.get_item_audio(id)? {
+            if let Some((_, audio)) = audio?.split_once("href=\"") {
+                if let Some((id, _)) = audio.split_once('"') {
+                    println!("{id}");
                 }
             }
         }
     }
-    Err(Error::NotFound)
+    Ok(())
 }
 
-fn get_first_accent(page: &str) -> Result<i8, Error> {
-    if let Some((_, accent_tail)) = page.split_once("<accent_text>") {
-        if let Some((mut accent, _)) = accent_tail.split_once("</accent_text>") {
-            if let Some((a, _)) = accent.split_once("<sound>") {
-                accent = a;
-            }
-            if let Some(pos) = accent.find("<symbol_backslash>＼</symbol_backslash>") {
-                let endpos = pos + "<symbol_backslash>＼</symbol_backslash>".len();
-                let before = &accent[..pos];
-                let after = &accent[endpos..];
-                let is_mora = |&c: &char| {
-                    (matches!(c, 'ぁ'..='ん' | 'ァ'..='ン' | 'ー')
-                        && !matches!(c, 'ゃ'..='ょ' | 'ャ'..='ョ'))
-                };
-                return Ok((before.chars().filter(is_mora).count() as i8));
-            }
-            if let Some(_) = accent.find("<symbol_macron>━</symbol_macron>") {
-                return Ok(0);
-            }
-        }
+fn list_dicts() -> Result<(), Error> {
+    for dict in MonokakidoDict::list()? {
+        println!("{}", dict?);
     }
-    Err(Error::NotFound)
-}
-
-fn get_accents(page: &str) -> Result<(i8, Option<i8>), Error> {
-    if let Some((first, tail)) = page.split_once("</accent>") {
-        return Ok((get_first_accent(first)?, get_first_accent(tail).ok()));
-    }
-    Err(Error::NotFound)
+    Ok(())
 }
 
 fn main() {
-    let Some(key) = std::env::args().nth(1) else {
-        return;
+    let mut args = std::env::args();
+    let res = match args.nth(1).as_deref() {
+        Some("list_audio") => {
+            if let (Some(dict_name), Some(keyword)) = (args.next(), args.next()) {
+                list_audio(&dict_name, &keyword)
+            } else {
+                Err(Error::InvalidArg)
+            }
+        }
+        Some("list_items") => {
+            if let (Some(dict_name), Some(keyword)) = (args.next(), args.next()) {
+                list_items(&dict_name, &keyword)
+            } else {
+                Err(Error::InvalidArg)
+            }
+        }
+        Some("list_pages") => {
+            if let (Some(dict_name), Some(keyword)) = (args.next(), args.next()) {
+                list_pages(&dict_name, &keyword)
+            } else {
+                Err(Error::InvalidArg)
+            }
+        }
+        Some("list") => list_dicts(),
+        None | Some("help") => {
+            print_help();
+            Ok(())
+        }
+        _ => Err(Error::InvalidArg),
     };
 
-    for dict in MonokakidoDict::list().unwrap() {
-        dbg!(dict.unwrap());
+    if let Err(e) = res {
+        eprintln!("Error: {e:?}");
+        std::process::exit(1)
     }
-
-    let mut dict = MonokakidoDict::open("NHKACCENT2").unwrap();
-    // let mut accents = vec![];
-    let result = dict.keys.search_exact(&key);
-
-    match result {
-        Ok((_, pages)) => {
-            for id in pages {
-                let page = dict.pages.get(id.page).unwrap();
-                println!("{page}");
-                /*
-                if let Ok(accent) = get_accents(page) {
-                    accents.push(accent);
-                } */
-                /*
-                let id = get_first_audio_id(page).unwrap();
-                let audio = dict.audio.get(id).unwrap();
-                let mut stdout = stdout().lock();
-                stdout.write_all(audio).unwrap();
-                */
-            }
-        }
-        Err(e) => {
-            println!("{:?}", e);
-            return;
-        }
-    }
-    /*
-    print!("{key}\t");
-    accents.sort();
-    accents.dedup();
-    if accents.is_empty() {
-        print!("N/A");
-    } else {
-        for (accent_main, accent_sub) in accents {
-            print!("{accent_main}");
-            if let Some(accent_sub) = accent_sub {
-                if accent_main != accent_sub {
-                    print!("/{accent_sub}");
-                }
-            }
-            print!(" ");
-        }
-    } */
-
-    /*
-       let idx_list = [
-           0,
-           1,
-           2,
-           3,
-           4,
-           5,
-           6,
-           7,
-           8,
-           9,
-           10,
-           11,
-           12,
-           13,
-           14,
-           15,
-           16,
-           17,
-           18,
-           19,
-           20,
-           46200,
-           46201,
-           46202,
-           46203,
-           46204,
-           46205,
-           46206,
-           46207,
-           46208,
-           46209,
-           46210,
-           46211,
-           70000,
-           dict.keys.count() - 1,
-       ];
-
-       println!("Index: length order");
-       for idx in idx_list {
-           let (word, pages) = dict.keys.get_index_len(idx).unwrap();
-           println!("\n{}", word);
-           for id in pages {
-               println!("{}", dict.pages.get(id).unwrap());
-           }
-       }
-
-       println!("Index: prefix order");
-       for idx in idx_list {
-           let (word, pages) = dict.keys.get_index_prefix(idx).unwrap();
-           println!("\n{}", word);
-           for id in pages {
-               println!("{}", dict.pages.get(id).unwrap());
-           }
-       }
-
-       println!("Index: suffix order");
-       for idx in idx_list {
-           let (word, pages) = dict.keys.get_index_suffix(idx).unwrap();
-           println!("\n{}", word);
-           for id in pages {
-               println!("{}", dict.pages.get(id).unwrap());
-           }
-       }
-
-       println!("Index: ?");
-       for idx in idx_list {
-           let (word, pages) = dict.keys.get_index_d(idx).unwrap();
-           println!("\n{}", word);
-           for id in pages {
-               println!("{}", dict.pages.get(id).unwrap());
-           }
-       }
-    */
-    let mut audio_rsc = dict.audio.unwrap();
-    let audio = audio_rsc.get("jee").unwrap();
-    let mut stdout = stdout().lock();
-    stdout.write_all(audio).unwrap();
 }

src/bin/explode.rs

@@ -18,7 +18,7 @@ fn write_index(dict: &MonokakidoDict, index: &KeyIndex, tsv_fname: &str) -> Resu
         for PageItemId { page, item } in pages {
             write!(&mut index_tsv, "\t{page:0>10}")?;
             if item > 0 {
-                write!(&mut index_tsv, ":{item:0>3}")?;
+                write!(&mut index_tsv, "-{item:0>3}")?;
             }
         }
         index_tsv.write_all(b"\n")?;
@@ -37,7 +37,7 @@ fn explode() -> Result<(), Error> {
     create_dir_all(&pages_dir)?;
     let mut path = String::from(&pages_dir);
     for idx in dict.pages.idx_iter()? {
-        let (id, page) = dict.pages.get_by_idx(idx)?;
+        let (id, page) = dict.pages.page_by_idx(idx)?;
         write!(&mut path, "{id:0>10}.xml")?;
         let mut file = File::create(&path)?;
         path.truncate(pages_dir.len());

src/error.rs

@@ -24,6 +24,7 @@ pub enum Error {
     InvalidArg,
     FmtError,
     IndexDoesntExist,
+    XmlError,
 }
 
 impl From<IoError> for Error {
@@ -43,3 +44,9 @@ impl From<FmtError> for Error {
         Error::FmtError
     }
 }
+
+impl From<xmlparser::Error> for Error {
+    fn from(_: xmlparser::Error) -> Self {
+        Error::XmlError
+    }
+}

src/key.rs

@@ -342,6 +342,7 @@ impl<'a> Iterator for PageIter<'a> {
     }
 }
 
+#[derive(Debug, Clone, Copy)]
 pub struct PageItemId {
     pub page: u32,
     pub item: u8,

src/lib.rs

@@ -10,4 +10,4 @@ pub use audio::Audio;
 pub use dict::MonokakidoDict;
 pub use error::Error;
 pub use key::{KeyIndex, Keys, PageItemId};
-pub use pages::Pages;
+pub use pages::{Pages, XmlParser};

src/pages.rs

@@ -1,6 +1,6 @@
 use std::{ops::Range, path::PathBuf};
 
-use crate::{dict::Paths, resource::Rsc, Error};
+use crate::{dict::Paths, resource::Rsc, Error, PageItemId};
 
 const RSC_NAME: &str = "contents";
 
@@ -9,6 +9,75 @@ pub struct Pages {
     res: Option<Rsc>,
 }
 
+pub struct XmlParser<'a> {
+    xml: &'a str,
+    tokens: xmlparser::Tokenizer<'a>,
+    target_level: Option<usize>,
+    tag_stack: Vec<(&'a str, usize)>,
+}
+
+impl<'a> XmlParser<'a> {
+    pub fn from(xml: &'a str) -> Self {
+        Self {
+            xml,
+            tokens: xmlparser::Tokenizer::from(xml),
+            target_level: None,
+            tag_stack: Vec::new(),
+        }
+    }
+
+    pub fn next_fragment_by(
+        &mut self,
+        elem_cond: impl Fn(&str) -> bool,
+        attr_cond: impl Fn(&str, &str) -> bool,
+    ) -> Result<Option<&'a str>, Error> {
+        use xmlparser::{
+            ElementEnd::{Close, Empty},
+            Token::{Attribute, ElementEnd, ElementStart},
+        };
+
+        for token in &mut self.tokens {
+            let mut popped = None;
+            let token = token?;
+            match token {
+                ElementStart { local, span, .. } => {
+                    self.tag_stack.push((local.as_str(), span.start()));
+                    if elem_cond(&local) && self.target_level.is_none() {
+                        self.target_level = Some(self.tag_stack.len());
+                    }
+                }
+                Attribute { local, value, .. } => {
+                    if attr_cond(&local, &value) && self.target_level.is_none() {
+                        self.target_level = Some(self.tag_stack.len());
+                    }
+                }
+                ElementEnd {
+                    end: Close(_, tag),
+                    span,
+                } => {
+                    if Some(&*tag) == self.tag_stack.last().map(|(t, _)| *t) {
+                        popped = self.tag_stack.pop().map(|(_, start)| (start, span.end()));
+                    } else {
+                        return Err(Error::XmlError);
+                    }
+                }
+                ElementEnd { end: Empty, span } => {
+                    popped = self.tag_stack.pop().map(|(_, start)| (start, span.end()));
+                }
+                _ => continue,
+            }
+            if let Some((start, end)) = popped {
+                if Some(self.tag_stack.len()) < self.target_level {
+                    self.target_level = None;
+                    return Ok(Some(&self.xml[start..end]));
+                }
+            }
+        }
+        // No body fragment or item fragment with suitable ID found
+        Ok(None)
+    }
+}
+
 impl Pages {
     pub fn new(paths: &Paths) -> Result<Self, Error> {
         Ok(Pages {
@@ -24,13 +93,43 @@ impl Pages {
         Ok(())
     }
 
-    pub fn get(&mut self, id: u32) -> Result<&str, Error> {
+    pub fn get_page(&mut self, id: PageItemId) -> Result<&str, Error> {
         self.init()?;
         let Some(res) = self.res.as_mut() else { unreachable!() };
-        std::str::from_utf8(res.get(id)?).map_err(|_| Error::Utf8Error)
+        let xml = std::str::from_utf8(res.get(id.page)?).map_err(|_| Error::Utf8Error)?;
+        Ok(xml)
     }
 
-    pub fn get_by_idx(&mut self, idx: usize) -> Result<(u32, &str), Error> {
+    pub fn get_item(&mut self, id: PageItemId) -> Result<&str, Error> {
+        let xml = self.get_page(id)?;
+        let mut parser = XmlParser::from(xml);
+        if id.item == 0 {
+            parser.next_fragment_by(|tag| tag == "body", |_, _| false)
+        } else {
+            parser.next_fragment_by(
+                |_| false,
+                |name, value| {
+                    if name == "id" {
+                        if let Some((page, item)) = value.split_once('-') {
+                            if page.parse() == Ok(id.page) && item.parse() == Ok(id.item) {
+                                return true;
+                            }
+                        }
+                    }
+                    false
+                },
+            )
+        }?
+        .ok_or(Error::XmlError)
+    }
+
+    pub fn get_item_audio(&mut self, id: PageItemId) -> Result<AudioIter, Error> {
+        let xml = self.get_item(id)?;
+        let parser = XmlParser::from(xml);
+        Ok(AudioIter { parser })
+    }
+
+    pub fn page_by_idx(&mut self, idx: usize) -> Result<(u32, &str), Error> {
         self.init()?;
         let Some(res) = self.res.as_mut() else { unreachable!() };
         let (id, page) = res.get_by_idx(idx)?;
@@ -43,3 +142,20 @@ impl Pages {
         Ok(0..res.len())
     }
 }
+
+pub struct AudioIter<'a> {
+    parser: XmlParser<'a>,
+}
+
+impl<'a> Iterator for AudioIter<'a> {
+    type Item = Result<&'a str, Error>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        self.parser
+            .next_fragment_by(
+                |_| false,
+                |name, value| name == "href" && value.ends_with(".aac"),
+            )
+            .transpose()
+    }
+}