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/// Delete an ending slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// assert_eq!("path", slash_formatter::delete_end_slash("path/"));
/// ```
pub fn delete_end_slash(s: &str) -> &str {
let length = s.len();
if length > 1 && s.ends_with('/') {
return &s[..length - 1];
} else {
return s;
}
}
/// Delete an ending slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// let s = String::from("path/");
///
/// let s = slash_formatter::delete_end_slash_owned(s);
///
/// assert_eq!("path", s);
/// ```
pub fn delete_end_slash_owned(mut s: String) -> String {
let length = s.len();
if length > 1 && s.ends_with('/') {
s.remove(length - 1);
}
return s;
}
/// Delete an ending slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// let mut s = String::from("path/");
///
/// slash_formatter::delete_end_slash_mut(&mut s);
///
/// assert_eq!("path", s);
/// ```
pub fn delete_end_slash_mut(s: &mut String) {
let length = s.len();
if length > 1 && s.ends_with('/') {
s.remove(length - 1);
}
}
/// Delete an starting slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// assert_eq!("path", slash_formatter::delete_start_slash("/path"));
/// ```
pub fn delete_start_slash(s: &str) -> &str {
let length = s.len();
if length > 1 && s.starts_with('/') {
return &s[1..];
} else {
return s;
}
}
/// Delete an starting slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// let s = String::from("/path");
///
/// let s = slash_formatter::delete_start_slash_owned(s);
///
/// assert_eq!("path", s);
/// ```
pub fn delete_start_slash_owned(mut s: String) -> String {
let length = s.len();
if length > 1 && s.starts_with('/') {
s.remove(0);
}
return s;
}
/// Delete an starting slash in a string except for '/'.
///
/// ```
/// extern crate slash_formatter;
///
/// let mut s = String::from("/path");
///
/// slash_formatter::delete_start_slash_mut(&mut s);
///
/// assert_eq!("path", s);
/// ```
pub fn delete_start_slash_mut(s: &mut String) {
let length = s.len();
if length > 1 && s.starts_with('/') {
s.remove(0);
}
}
/// Add an starting slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// assert_eq!("/path", slash_formatter::add_start_slash("path"));
/// ```
pub fn add_start_slash(s: &str) -> String {
add_start_slash_owned(s.to_string())
}
/// Add an starting slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// let s = String::from("path");
///
/// let s = slash_formatter::add_start_slash_owned(s);
///
/// assert_eq!("/path", s);
/// ```
pub fn add_start_slash_owned(mut s: String) -> String {
if !s.starts_with('/') {
s.insert(0, '/');
}
return s;
}
/// Add an starting slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// let mut s = String::from("path");
///
/// slash_formatter::add_start_slash_mut(&mut s);
///
/// assert_eq!("/path", s);
/// ```
pub fn add_start_slash_mut(s: &mut String) {
if !s.starts_with('/') {
s.insert(0, '/');
}
}
/// Add an ending slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// assert_eq!("path/", slash_formatter::add_end_slash("path"));
/// ```
pub fn add_end_slash(s: &str) -> String {
add_end_slash_owned(s.to_string())
}
/// Add an ending slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// let s = String::from("path");
///
/// let s = slash_formatter::add_end_slash_owned(s);
///
/// assert_eq!("path/", s);
/// ```
pub fn add_end_slash_owned(mut s: String) -> String {
if !s.ends_with('/') {
s.push('/');
}
return s;
}
/// Add an ending slash into a string.
///
/// ```
/// extern crate slash_formatter;
///
/// let mut s = String::from("path");
///
/// slash_formatter::add_end_slash_mut(&mut s);
///
/// assert_eq!("path/", s);
/// ```
pub fn add_end_slash_mut(s: &mut String) {
if !s.ends_with('/') {
s.push('/');
}
}
/// Concatenate two strings with a slash.
///
/// ```
/// extern crate slash_formatter;
///
/// assert_eq!("path/to", slash_formatter::concat_with_slash("path", "to/"));
/// ```
pub fn concat_with_slash(s1: &str, s2: &str) -> String {
concat_with_slash_owned(s1.to_string(), s2)
}
/// Concatenate two strings with a slash.
///
/// ```
/// extern crate slash_formatter;
///
/// let s = String::from("path");
///
/// let s = slash_formatter::concat_with_slash_owned(s, "to/");
///
/// assert_eq!("path/to", s);
/// ```
pub fn concat_with_slash_owned(s1: String, s2: &str) -> String {
return delete_end_slash_owned(add_end_slash_owned(s1) + delete_start_slash(s2));
}
/// Concatenate two strings with a slash.
///
/// ```
/// extern crate slash_formatter;
///
/// let mut s = String::from("path");
///
/// slash_formatter::concat_with_slash_mut(&mut s, "to/");
///
/// assert_eq!("path/to", s);
/// ```
pub fn concat_with_slash_mut(s1: &mut String, s2: &str) {
add_end_slash_mut(s1);
s1.push_str(delete_start_slash(s2));
delete_end_slash_mut(s1);
}