use crate::Config;
#[derive(Copy, Clone, Debug)]
-pub struct Indent {
+pub(crate) struct Indent {
// Width of the block indent, in characters. Must be a multiple of
// Config::tab_spaces.
- pub block_indent: usize,
+ pub(crate) block_indent: usize,
// Alignment in characters.
- pub alignment: usize,
+ pub(crate) alignment: usize,
}
// INDENT_BUFFER.len() = 81
"\n ";
impl Indent {
- pub fn new(block_indent: usize, alignment: usize) -> Indent {
+ pub(crate) fn new(block_indent: usize, alignment: usize) -> Indent {
Indent {
block_indent,
alignment,
}
}
- pub fn from_width(config: &Config, width: usize) -> Indent {
+ pub(crate) fn from_width(config: &Config, width: usize) -> Indent {
if config.hard_tabs() {
let tab_num = width / config.tab_spaces();
let alignment = width % config.tab_spaces();
}
}
- pub fn empty() -> Indent {
+ pub(crate) fn empty() -> Indent {
Indent::new(0, 0)
}
- pub fn block_only(&self) -> Indent {
+ pub(crate) fn block_only(&self) -> Indent {
Indent {
block_indent: self.block_indent,
alignment: 0,
}
}
- pub fn block_indent(mut self, config: &Config) -> Indent {
+ pub(crate) fn block_indent(mut self, config: &Config) -> Indent {
self.block_indent += config.tab_spaces();
self
}
- pub fn block_unindent(mut self, config: &Config) -> Indent {
+ pub(crate) fn block_unindent(mut self, config: &Config) -> Indent {
if self.block_indent < config.tab_spaces() {
Indent::new(self.block_indent, 0)
} else {
}
}
- pub fn width(&self) -> usize {
+ pub(crate) fn width(&self) -> usize {
self.block_indent + self.alignment
}
- pub fn to_string(&self, config: &Config) -> Cow<'static, str> {
+ pub(crate) fn to_string(&self, config: &Config) -> Cow<'static, str> {
self.to_string_inner(config, 1)
}
- pub fn to_string_with_newline(&self, config: &Config) -> Cow<'static, str> {
+ pub(crate) fn to_string_with_newline(&self, config: &Config) -> Cow<'static, str> {
self.to_string_inner(config, 0)
}
}
#[derive(Copy, Clone, Debug)]
-pub struct Shape {
- pub width: usize,
+pub(crate) struct Shape {
+ pub(crate) width: usize,
// The current indentation of code.
- pub indent: Indent,
+ pub(crate) indent: Indent,
// Indentation + any already emitted text on the first line of the current
// statement.
- pub offset: usize,
+ pub(crate) offset: usize,
}
impl Shape {
// |<------------>| max width
// |<---->| indent
// |<--->| width
- pub fn legacy(width: usize, indent: Indent) -> Shape {
+ pub(crate) fn legacy(width: usize, indent: Indent) -> Shape {
Shape {
width,
indent,
}
}
- pub fn indented(indent: Indent, config: &Config) -> Shape {
+ pub(crate) fn indented(indent: Indent, config: &Config) -> Shape {
Shape {
width: config.max_width().saturating_sub(indent.width()),
indent,
}
}
- pub fn with_max_width(&self, config: &Config) -> Shape {
+ pub(crate) fn with_max_width(&self, config: &Config) -> Shape {
Shape {
width: config.max_width().saturating_sub(self.indent.width()),
..*self
}
}
- pub fn visual_indent(&self, extra_width: usize) -> Shape {
+ pub(crate) fn visual_indent(&self, extra_width: usize) -> Shape {
let alignment = self.offset + extra_width;
Shape {
width: self.width,
}
}
- pub fn block_indent(&self, extra_width: usize) -> Shape {
+ pub(crate) fn block_indent(&self, extra_width: usize) -> Shape {
if self.indent.alignment == 0 {
Shape {
width: self.width,
}
}
- pub fn block_left(&self, width: usize) -> Option<Shape> {
+ pub(crate) fn block_left(&self, width: usize) -> Option<Shape> {
self.block_indent(width).sub_width(width)
}
- pub fn add_offset(&self, extra_width: usize) -> Shape {
+ pub(crate) fn add_offset(&self, extra_width: usize) -> Shape {
Shape {
offset: self.offset + extra_width,
..*self
}
}
- pub fn block(&self) -> Shape {
+ pub(crate) fn block(&self) -> Shape {
Shape {
indent: self.indent.block_only(),
..*self
}
}
- pub fn sub_width(&self, width: usize) -> Option<Shape> {
+ pub(crate) fn saturating_sub_width(&self, width: usize) -> Shape {
+ self.sub_width(width).unwrap_or(Shape { width: 0, ..*self })
+ }
+
+ pub(crate) fn sub_width(&self, width: usize) -> Option<Shape> {
Some(Shape {
width: self.width.checked_sub(width)?,
..*self
})
}
- pub fn shrink_left(&self, width: usize) -> Option<Shape> {
+ pub(crate) fn shrink_left(&self, width: usize) -> Option<Shape> {
Some(Shape {
width: self.width.checked_sub(width)?,
indent: self.indent + width,
})
}
- pub fn offset_left(&self, width: usize) -> Option<Shape> {
+ pub(crate) fn offset_left(&self, width: usize) -> Option<Shape> {
self.add_offset(width).sub_width(width)
}
- pub fn used_width(&self) -> usize {
+ pub(crate) fn used_width(&self) -> usize {
self.indent.block_indent + self.offset
}
- pub fn rhs_overhead(&self, config: &Config) -> usize {
+ pub(crate) fn rhs_overhead(&self, config: &Config) -> usize {
config
.max_width()
.saturating_sub(self.used_width() + self.width)
}
- pub fn comment(&self, config: &Config) -> Shape {
+ pub(crate) fn comment(&self, config: &Config) -> Shape {
let width = min(
self.width,
config.comment_width().saturating_sub(self.indent.width()),
Shape { width, ..*self }
}
- pub fn to_string_with_newline(&self, config: &Config) -> Cow<'static, str> {
+ pub(crate) fn to_string_with_newline(&self, config: &Config) -> Cow<'static, str> {
let mut offset_indent = self.indent;
offset_indent.alignment = self.offset;
offset_indent.to_string_inner(config, 0)