Skip BOM bytes in content if present. Returns the content without the BOM prefix for this encoding. # Arguments `content` - The content potentially starting with a BOM # Returns The content after any BOM bytes.
(&self, content: &'a [u8])
| 286 | /// |
| 287 | /// The content after any BOM bytes. |
| 288 | pub fn skip_bom<'a>(&self, content: &'a [u8]) -> &'a [u8] { |
| 289 | match self { |
| 290 | Encoding::Utf8 => { |
| 291 | if content.len() >= 3 |
| 292 | && content[0] == 0xEF |
| 293 | && content[1] == 0xBB |
| 294 | && content[2] == 0xBF |
| 295 | { |
| 296 | &content[3..] |
| 297 | } else { |
| 298 | content |
| 299 | } |
| 300 | } |
| 301 | Encoding::Utf16Le | Encoding::Utf16Be => { |
| 302 | if content.len() >= 2 { |
| 303 | let bom = self.bom(); |
| 304 | if content.starts_with(bom) { |
| 305 | return &content[bom.len()..]; |
| 306 | } |
| 307 | } |
| 308 | content |
| 309 | } |
| 310 | Encoding::Latin1 | Encoding::Binary => content, |
| 311 | } |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | impl fmt::Display for Encoding { |