diff options
Diffstat (limited to 'crates/shirabe-external-packages/src/symfony/string')
3 files changed, 0 insertions, 194 deletions
diff --git a/crates/shirabe-external-packages/src/symfony/string/byte_string.rs b/crates/shirabe-external-packages/src/symfony/string/byte_string.rs deleted file mode 100644 index 8ad183e3..00000000 --- a/crates/shirabe-external-packages/src/symfony/string/byte_string.rs +++ /dev/null @@ -1,45 +0,0 @@ -//! ref: composer/vendor/symfony/string/ByteString.php - -use crate::symfony::string::code_point_string::CodePointString; - -#[derive(Debug, Clone)] -pub struct ByteString { - pub(crate) string: String, -} - -impl ByteString { - pub fn new(string: &str) -> Self { - Self { - string: string.to_string(), - } - } - - /// `from_encoding` is `""` for PHP's `null`. - pub fn to_code_point_string(&self, from_encoding: &str) -> CodePointString { - // The source `string` is always valid UTF-8 (Rust `String`/`&str` guarantee), so - // `preg_match('//u', ...)` always holds. - if matches!(from_encoding, "" | "utf8" | "utf-8" | "UTF8" | "UTF-8") { - return CodePointString { - string: self.string.clone(), - }; - } - - let valid_encoding = shirabe_php_shim::mb_detect_encoding( - &self.string, - Some(vec![from_encoding.to_string()]), - true, - ) - .is_some(); - // PHP throws InvalidArgumentException. Callers detect `from_encoding` from this very - // string, so a mismatch is a programming error. - assert!(valid_encoding, "Invalid \"{}\" string.", from_encoding); - - CodePointString { - string: shirabe_php_shim::mb_convert_encoding( - self.string.clone().into_bytes(), - "UTF-8", - from_encoding, - ), - } - } -} diff --git a/crates/shirabe-external-packages/src/symfony/string/code_point_string.rs b/crates/shirabe-external-packages/src/symfony/string/code_point_string.rs deleted file mode 100644 index dcbaa1f6..00000000 --- a/crates/shirabe-external-packages/src/symfony/string/code_point_string.rs +++ /dev/null @@ -1,93 +0,0 @@ -//! ref: composer/vendor/symfony/string/CodePointString.php - -#[derive(Debug, Clone)] -pub struct CodePointString { - pub(crate) string: String, -} - -impl CodePointString { - /// Port of `AbstractString::wordwrap()`, specialised to the non-`ignoreCase` code-point case. - pub fn wordwrap(&self, width: i64, r#break: &str, cut: bool) -> Self { - // `split($break)` with no flags reduces to `explode($break, $string)` here, then `chunk()` - // yields one entry per code point. `ignoreCase` is always false for freshly built instances. - let lines: Vec<&str> = if !r#break.is_empty() { - self.string.split(r#break).collect() - } else { - vec![&self.string] - }; - - let mut chars: Vec<String> = Vec::new(); - let mut mask = String::new(); - - if lines.len() == 1 && lines[0].is_empty() { - return Self { - string: String::new(), - }; - } - - for (i, line) in lines.iter().enumerate() { - if i != 0 { - chars.push(r#break.to_string()); - mask.push('#'); - } - - for ch in line.chars() { - let s = ch.to_string(); - mask.push(if s == " " { ' ' } else { '?' }); - chars.push(s); - } - } - - let mut string = String::new(); - let mut j: usize = 0; - // PHP seeds both `$b` and `$i` at -1; mirror with signed indices. - let mut i: i64 = -1; - let mask = shirabe_php_shim::wordwrap(&mask, width, "#", cut); - let mask_bytes = mask.as_bytes(); - - let mut b: i64 = -1; - loop { - // strpos($mask, '#', $b + 1) - let from = (b + 1) as usize; - let Some(rel) = mask_bytes[from..].iter().position(|&c| c == b'#') else { - break; - }; - b = (from + rel) as i64; - - i += 1; - while i < b { - string.push_str(&chars[j]); - j += 1; - i += 1; - } - - if chars[j] == r#break || chars[j] == " " { - j += 1; - } - - string.push_str(r#break); - } - - for c in &chars[j..] { - string.push_str(c); - } - - Self { string } - } - - /// `to_encoding` is `""` for PHP's `null`. - pub fn to_byte_string(&self, to_encoding: &str) -> String { - // A CodePointString is an AbstractUnicodeString, so PHP's `$fromEncoding` is always - // 'UTF-8' and the string is returned verbatim for a null/UTF-8 target. - if matches!(to_encoding, "" | "utf8" | "utf-8" | "UTF8" | "UTF-8") { - return self.string.clone(); - } - - // PHP falls back to iconv() only when mb_convert_encoding() rejects the target encoding. - shirabe_php_shim::mb_convert_encoding( - self.string.clone().into_bytes(), - to_encoding, - "UTF-8", - ) - } -} diff --git a/crates/shirabe-external-packages/src/symfony/string/unicode_string.rs b/crates/shirabe-external-packages/src/symfony/string/unicode_string.rs deleted file mode 100644 index 9048f77b..00000000 --- a/crates/shirabe-external-packages/src/symfony/string/unicode_string.rs +++ /dev/null @@ -1,56 +0,0 @@ -//! ref: composer/vendor/symfony/string/UnicodeString.php - -#[derive(Debug, Clone)] -pub struct UnicodeString { - pub(crate) string: String, -} - -impl UnicodeString { - // TODO(phase-c): the real constructor runs `normalizer_normalize` (Unicode NFC normalization), - // which has no Rust std equivalent and would need a dedicated normalization implementation. - // Normalization is skipped here, which is only correct for already-NFC input such as ASCII. - pub fn new(string: &str) -> Self { - Self { - string: string.to_string(), - } - } - - // TODO(phase-c): ASCII-only provisional implementation. The faithful `width()` uses `wcswidth` - // with the Unicode width tables to treat wide characters as width 2 and skip zero-width / - // combining characters; here every character counts as width 1, correct only for ASCII. The - // ANSI/control-character stripping driven by `ignore_ansi_decoration` is likewise not handled. - pub fn width(&self, _ignore_ansi_decoration: bool) -> i64 { - let s = self.string.replace(['\x00', '\x05', '\x07'], ""); - let s = s.replace("\r\n", "\n").replace('\r', "\n"); - - let mut width: i64 = 0; - for line in s.split('\n') { - let line_width = line.chars().count() as i64; - if line_width > width { - width = line_width; - } - } - - width - } - - // TODO(phase-c): the faithful `length()` uses `grapheme_strlen` (extended grapheme clusters), - // which needs Unicode segmentation tables with no Rust std equivalent and no permitted crate. - // Approximated with the code-point count, exact only when no combining/multi-code-point - // clusters are present (e.g. ASCII). - pub fn length(&self) -> i64 { - shirabe_php_shim::mb_strlen(&self.string, "UTF-8") - } - - // TODO(phase-c): the faithful `slice()` uses `grapheme_substr` (grapheme-cluster offsets), which - // needs Unicode segmentation tables with no std equivalent and no permitted crate. Approximated - // with code-point offsets via `mb_substr`, exact only without combining/multi-code-point clusters. - pub fn slice(&self, start: i64, length: Option<i64>) -> Self { - Self::new(&shirabe_php_shim::mb_substr( - &self.string, - start, - length, - Some("UTF-8"), - )) - } -} |