Commit old unknown probably broken changes

Signed-off-by: trivernis <trivernis@protonmail.com>

src/elements/mod.rs

@@ -89,6 +89,7 @@ pub struct Header {
     pub(crate) size: u8,
     pub(crate) line: Line,
     pub(crate) anchor: String,
+    pub(crate) plain: String,
 }
 
 #[derive(Clone, Debug)]
@@ -508,11 +509,12 @@ impl Section {
 }
 
 impl Header {
-    pub fn new(content: Line, anchor: String) -> Self {
+    pub fn new(content: Line, anchor: String, plain: String) -> Self {
         Self {
             size: 0,
             anchor,
             line: content,
+            plain,
         }
     }
 

src/format/epub/epub_writer.rs

@@ -1,4 +1,5 @@
 use epub_builder::{EpubBuilder, EpubContent, ReferenceType, Result, ZipLibrary};
+use htmlescape::{encode_attribute, encode_minimal};
 use std::cmp::max;
 use std::collections::HashMap;
 use std::io;
@@ -18,13 +19,13 @@ impl Default for Buffer {
 
 impl Read for Buffer {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        let length = buf.len();
-        let available = self.inner.len();
-        let writable = max(length, available);
-        buf.copy_from_slice(&self.inner[0..writable]);
-        self.inner = self.inner[writable..self.inner.len()].to_vec();
+        let written = buf.write(&self.inner[self.position..])?;
 
-        Ok(writable)
+        self.inner.reverse();
+        self.inner.truncate(self.inner.len() - written);
+        self.inner.reverse();
+
+        Ok(written)
     }
 }
 
@@ -103,6 +104,14 @@ impl EpubWriter {
             .append(&mut content.as_bytes().to_vec());
     }
 
+    pub fn escaped_content(&mut self, content: String) {
+        self.content(encode_minimal(content.as_str()));
+    }
+
+    pub fn escaped_attribute_content(&mut self, content: String) {
+        self.content(encode_attribute(content.as_str()));
+    }
+
     /// Finishes writing the epub
     pub fn finish(&mut self) -> Result<()> {
         self.builder.generate(&mut self.inner)?;

src/format/epub/mod.rs

@@ -2,7 +2,4 @@ use crate::format::epub::epub_writer::EpubWriter;
 use std::io;
 
 pub mod epub_writer;
-
-pub trait ToEpub {
-    fn to_epub(&self, writer: &EpubWriter) -> io::Result<()>;
-}
+pub mod to_epub;

src/parser/line.rs

@@ -50,12 +50,15 @@ impl ParseLine for Parser {
         let start_index = self.ctm.get_index();
         let line = self.parse_line()?;
         let mut anchor = String::new();
+
         self.ctm.get_text()[start_index..self.ctm.get_index()]
             .iter()
             .for_each(|e| anchor.push(*e));
+        let plain = anchor.clone();
         anchor.retain(|c| !c.is_whitespace());
+
         log::trace!("Line::Header");
-        Ok(Header::new(line, anchor))
+        Ok(Header::new(line, anchor, plain))
     }
 
     /// parses a single list item defined with -