typo fix

src/errors.rs

@@ -177,7 +177,7 @@ impl fmt::Display for LoadJointsError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             LoadJointsError::Io(ref e) => fmt::Display::fmt(&e, f),
-            LoadJointsError::MissingRoot => f.write_str("The root heirarchy could not be found"),
+            LoadJointsError::MissingRoot => f.write_str("The root hierarchy could not be found"),
             LoadJointsError::MissingJointName { line } => {
                 write!(f, "{}: the name is missing from the joints section", line)
             }

src/joint.rs

@@ -13,7 +13,7 @@ use std::{
 /// Internal representation of a joint.
 #[derive(Clone, Debug, PartialEq)]
 pub enum JointData {
-    /// Root of the skeletal heirarchy.
+    /// Root of the skeletal hierarchy.
     Root {
         /// Name of the root `Joint`.
         name: JointName,
@@ -334,7 +334,7 @@ impl JointData {
         }
     }
 
-    /// Get the depth of the `JointData` in the heirarchy.
+    /// Get the depth of the `JointData` in the hierarchy.
     #[inline]
     pub(crate) fn depth(&self) -> usize {
         match *self {

src/lib.rs

@@ -24,15 +24,15 @@
 //!
 //! ## The bvh file format
 //!
-//! The `Bvh` file format is comprised of two main sections: the 'Heirarchy' section,
+//! The `Bvh` file format is comprised of two main sections: the 'Hierarchy' section,
 //! which defines the joints of the skeleton, and the 'Motion' section, which defines
 //! the motion values for each channel.
 //!
 //! This project contains some samples in the [`data` directory][`data` directory].
 //!
-//! ### Heierarchy
+//! ### Hierarchy
 //!
-//! The 'Heirarchy' section defines the skeleton as a tree of joints, where there is
+//! The 'Hierarchy' section defines the skeleton as a tree of joints, where there is
 //! a single root joint, and a chain of child joints extending out from each joint,
 //! terminated by an 'End Site' section.
 //!
@@ -46,7 +46,7 @@
 //!   to calculate the length of the final bone in the chain.
 //!
 //! ```text
-//! HEIRARCHY
+//! HIERARCHY
 //! ROOT <Root-name>
 //! {
 //!     OFFSET <Root-offset-x> <Root-offset-y> <Root-offset-z>

src/parse.rs

@@ -103,7 +103,7 @@ named! {
     )
 }
 /*
-fn heirarchy<'a>(data: &'a [u8]) -> IResult<&'a [u8], Vec<JointData>> {
+fn hierarchy<'a>(data: &'a [u8]) -> IResult<&'a [u8], Vec<JointData>> {
     let mut joints = Vec::new();
     let mut num_channels = 0usize;
     let mut joint_index = 0usize;
@@ -228,7 +228,7 @@ impl Bvh {
         &mut self,
         lines: &mut EnumeratedLines<'_>,
     ) -> Result<(), LoadJointsError> {
-        const HEIRARCHY_KEYWORD: &[u8] = b"HIERARCHY";
+        const HIERARCHY_KEYWORD: &[u8] = b"HIERARCHY";
 
         const ROOT_KEYWORD: &[u8] = b"ROOT";
         const JOINT_KEYWORD: &[u8] = b"JOINT";
@@ -243,7 +243,7 @@ impl Bvh {
         #[derive(Debug, Eq, PartialEq)]
         enum ParseMode {
             NotStarted,
-            InHeirarchy,
+            InHierarchy,
             Finished,
         }
 
@@ -291,15 +291,15 @@ impl Bvh {
             };
 
             match first_token.as_bytes() {
-                HEIRARCHY_KEYWORD => {
+                HIERARCHY_KEYWORD => {
                     if curr_mode != ParseMode::NotStarted {
                         panic!("Unexpected hierarchy");
                     }
-                    curr_mode = ParseMode::InHeirarchy;
+                    curr_mode = ParseMode::InHierarchy;
                     next_expected_line = NextExpectedLine::RootName;
                 }
                 ROOT_KEYWORD => {
-                    if curr_mode != ParseMode::InHeirarchy
+                    if curr_mode != ParseMode::InHierarchy
                         || next_expected_line != NextExpectedLine::RootName
                     {
                         panic!("Unexpected root: {:?}", curr_mode);
@@ -346,7 +346,7 @@ impl Bvh {
                     }
                 }
                 JOINT_KEYWORD => {
-                    if curr_mode != ParseMode::InHeirarchy {
+                    if curr_mode != ParseMode::InHierarchy {
                         panic!("Unexpected Joint");
                     }
 
@@ -375,7 +375,7 @@ impl Bvh {
                     }
                 }
                 OFFSET_KEYWORD => {
-                    if curr_mode != ParseMode::InHeirarchy {
+                    if curr_mode != ParseMode::InHierarchy {
                         return Err(LoadJointsError::UnexpectedOffsetSection { line: line_num });
                     }
 
@@ -407,7 +407,7 @@ impl Bvh {
                     curr_joint.set_offset(offset, in_end_site);
                 }
                 CHANNELS_KEYWORD => {
-                    if curr_mode != ParseMode::InHeirarchy {
+                    if curr_mode != ParseMode::InHierarchy {
                         return Err(LoadJointsError::UnexpectedChannelsSection { line: line_num });
                     }