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Diffstat (limited to 'utils/string_proc/src/format_processer.rs')
| -rw-r--r-- | utils/string_proc/src/format_processer.rs | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/utils/string_proc/src/format_processer.rs b/utils/string_proc/src/format_processer.rs deleted file mode 100644 index bac84c0..0000000 --- a/utils/string_proc/src/format_processer.rs +++ /dev/null @@ -1,242 +0,0 @@ -pub struct FormatProcesser { - content: Vec<String>, -} - -impl From<String> for FormatProcesser { - fn from(value: String) -> Self { - Self { - content: Self::process_string(value), - } - } -} - -impl From<&str> for FormatProcesser { - fn from(value: &str) -> Self { - Self { - content: Self::process_string(value.to_string()), - } - } -} - -impl FormatProcesser { - /// Process the string into an intermediate format - fn process_string(input: String) -> Vec<String> { - let mut result = String::new(); - let mut prev_space = false; - - for c in input.chars() { - match c { - 'a'..='z' | 'A'..='Z' | '0'..='9' => { - result.push(c); - prev_space = false; - } - '_' | ',' | '.' | '-' | ' ' => { - if !prev_space { - result.push(' '); - prev_space = true; - } - } - _ => {} - } - } - - let mut processed = String::new(); - let mut chars = result.chars().peekable(); - - while let Some(c) = chars.next() { - processed.push(c); - if let Some(&next) = chars.peek() - && c.is_lowercase() - && next.is_uppercase() - { - processed.push(' '); - } - } - - processed - .to_lowercase() - .split_whitespace() - .map(|s| s.to_string()) - .collect() - } - - /// Convert to camelCase format (brewCoffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew_coffee"); - /// assert_eq!(processor.to_camel_case(), "brewCoffee"); - /// ``` - pub fn to_camel_case(&self) -> String { - let mut result = String::new(); - for (i, word) in self.content.iter().enumerate() { - if i == 0 { - result.push_str(&word.to_lowercase()); - } else { - let mut chars = word.chars(); - if let Some(first) = chars.next() { - result.push_str(&first.to_uppercase().collect::<String>()); - result.push_str(&chars.collect::<String>().to_lowercase()); - } - } - } - result - } - - /// Convert to PascalCase format (BrewCoffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew_coffee"); - /// assert_eq!(processor.to_pascal_case(), "BrewCoffee"); - /// ``` - pub fn to_pascal_case(&self) -> String { - let mut result = String::new(); - for word in &self.content { - let mut chars = word.chars(); - if let Some(first) = chars.next() { - result.push_str(&first.to_uppercase().collect::<String>()); - result.push_str(&chars.collect::<String>().to_lowercase()); - } - } - result - } - - /// Convert to kebab-case format (brew-coffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew_coffee"); - /// assert_eq!(processor.to_kebab_case(), "brew-coffee"); - /// ``` - pub fn to_kebab_case(&self) -> String { - self.content.join("-").to_lowercase() - } - - /// Convert to snake_case format (brew_coffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brewCoffee"); - /// assert_eq!(processor.to_snake_case(), "brew_coffee"); - /// ``` - pub fn to_snake_case(&self) -> String { - self.content.join("_").to_lowercase() - } - - /// Convert to dot.case format (brew.coffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew_coffee"); - /// assert_eq!(processor.to_dot_case(), "brew.coffee"); - /// ``` - pub fn to_dot_case(&self) -> String { - self.content.join(".").to_lowercase() - } - - /// Convert to Title Case format (Brew Coffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew_coffee"); - /// assert_eq!(processor.to_title_case(), "Brew Coffee"); - /// ``` - pub fn to_title_case(&self) -> String { - let mut result = String::new(); - for word in &self.content { - let mut chars = word.chars(); - if let Some(first) = chars.next() { - result.push_str(&first.to_uppercase().collect::<String>()); - result.push_str(&chars.collect::<String>().to_lowercase()); - } - result.push(' '); - } - result.pop(); - result - } - - /// Convert to lower case format (brew coffee) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("BREW COFFEE"); - /// assert_eq!(processor.to_lower_case(), "brew coffee"); - /// ``` - pub fn to_lower_case(&self) -> String { - self.content.join(" ").to_lowercase() - } - - /// Convert to UPPER CASE format (BREW COFFEE) - /// - /// # Examples - /// - /// ``` - /// # use string_proc::format_processer::FormatProcesser; - /// let processor = FormatProcesser::from("brew coffee"); - /// assert_eq!(processor.to_upper_case(), "BREW COFFEE"); - /// ``` - pub fn to_upper_case(&self) -> String { - self.content.join(" ").to_uppercase() - } -} - -#[cfg(test)] -mod tests { - use crate::format_processer::FormatProcesser; - - #[test] - fn test_processer() { - let test_cases = vec![ - ("brew_coffee", "brewCoffee"), - ("brew, coffee", "brewCoffee"), - ("brew-coffee", "brewCoffee"), - ("Brew.Coffee", "brewCoffee"), - ("bRewCofFee", "bRewCofFee"), - ("brewCoffee", "brewCoffee"), - ("b&rewCoffee", "brewCoffee"), - ("BrewCoffee", "brewCoffee"), - ("brew.coffee", "brewCoffee"), - ("Brew_Coffee", "brewCoffee"), - ("BREW COFFEE", "brewCoffee"), - ]; - - for (input, expected) in test_cases { - let processor = FormatProcesser::from(input); - assert_eq!( - processor.to_camel_case(), - expected, - "Failed for input: '{}'", - input - ); - } - } - - #[test] - fn test_conversions() { - let processor = FormatProcesser::from("brewCoffee"); - - assert_eq!(processor.to_upper_case(), "BREW COFFEE"); - assert_eq!(processor.to_lower_case(), "brew coffee"); - assert_eq!(processor.to_title_case(), "Brew Coffee"); - assert_eq!(processor.to_dot_case(), "brew.coffee"); - assert_eq!(processor.to_snake_case(), "brew_coffee"); - assert_eq!(processor.to_kebab_case(), "brew-coffee"); - assert_eq!(processor.to_pascal_case(), "BrewCoffee"); - assert_eq!(processor.to_camel_case(), "brewCoffee"); - } -} |