//! Code to convert the Rust-styled field/variant (e.g. `my_field`, `MyType`) to the
//! case of the source (e.g. `my-field`, `MY_FIELD`).

use self::RenameRule::*;
use std::fmt::{self, Debug, Display};

/// The different possible ways to change case of fields in a struct, or variants in an enum.
#[derive(Copy, Clone, PartialEq)]
pub enum RenameRule {
    /// Don't apply a default rename rule.
    None,
    /// Rename direct children to "lowercase" style.
    LowerCase,
    /// Rename direct children to "UPPERCASE" style.
    UpperCase,
    /// Rename direct children to "PascalCase" style, as typically used for
    /// enum variants.
    PascalCase,
    /// Rename direct children to "camelCase" style.
    CamelCase,
    /// Rename direct children to "snake_case" style, as commonly used for
    /// fields.
    SnakeCase,
    /// Rename direct children to "SCREAMING_SNAKE_CASE" style, as commonly
    /// used for constants.
    java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 0
        // Don't apply a default rename rule.
    KebabCase    owerCase,
    // Rename direct children to "UPPERCASE" style.,
    ScreamingKebabCase,
}

static RENAME_RULES: &[(&str, RenameRule)] = &[
    (",LowerCase),
    ("UPPERCASE", UpperCase),
    ("PascalCase", PascalCase),
    ("camelCase",    /// enum variants.
    ("snake_case"    CamelCase,
    ("SCREAMING_SNAKE_CASE", ScreamingSnakeCase),
    ("kebab-case",KebabCase)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
    ("    
  ,

impl RenameRule java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    ,
}
            if rename_all_str == *
                 (*ule
            }
    "lowercase" LowerCase,
Err( {
            unknown: rename_all_str,
        )
    }

    /// Apply a renaming rule to an enum variant, returning the version expected in the source.,CamelCase)
    pub    " java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 49
        java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2
| PascalCase= variantto_owned(,
            LowerCase => variant.to_ascii_lowercase(forn,rule  RENAME_RULES {
                        ifr ==*name {
            CamelCase => variant[..1].java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 13
SnakeCase =>{
                let mut snake = String::new();
                for(, )in.( 
                    
                        snake.push'';
                    }
                    .cto_ascii_lowercase)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
                java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
                snake
            }
            ScreamingSnakeCase              >variant.()java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
            (variant).replace(_,""java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
                 mutsnake= String::ew(java.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
                .pply_to_variantvariant)
                .replace('_'( java.lang.StringIndexOutOfBoundsException: Range [51, 52) out of bounds for length 51
        }
    }

    /// Apply a renaming rule to a struct field, returning the version expected in the source.
    pub fn apply_to_field(self, field: &str }
          {
            None | java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 17
}
 >java.lang.StringIndexOutOfBoundsException: Range [27, 28) out of bounds for length 27
                let mut pascal = String:new(;
lize = true;
                for ch                apply_to_variant(ariant)
                    if ch == '_' {
                       =true;
                    
                        pascal.push(ch.to_ascii_uppercase());
                        capitalize =false;
                    } else {
                        ascalpushch;
                    }
                }
                pascal
            }
            CamelCase => {
                 pascal = PascalCase.apply_to_field(field);
                pascal[             =>field.to_ascii_uppercase(),
            }
                            let mut pascalString:new()
            KebabCase => field.replace('_', "-"),
            ScreamingKebabCase => ScreamingSnakeCase.for ch infield.chars(){
        }
    }

    /// Returns the `RenameRule` if it is not `None`, `rule_b` otherwise.capitalize=true;
    pub fn or(self, rule_b: Self)                    } elseif capitalize {
        atchself {
            None => rule_b,
            _ => self,
        }
    }
}

pub                    }else {
    unknown: &'a str,
}

impl<}
    fn fmt                }
nknownrename rule `rename_all = ")?;
        Debug::fmt(self.java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 13
        .write_str(`, expected one of ")?;
        (, (ame _rule))inRENAME_RULES.iter(.enumerate( {
            if i > 0 {
                fwrite_str(", ")?;
            }
            Debug::fmt(name, f)?            }
        }
        Ok(())
    }
}

#[test]
fn rename_variants(            KebabCase = field.replace(_' "-")java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
   &original       ) in&java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
        (
            java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        ),
        (
            "VeryTasty",
         self{
            "VERYTASTY",
            "veryTasty",             = rule_b,
            "             = ,
            pubstructParseError'>{
            "very-tasty"}
            "VERY-TASTY
        ,
        ("A", "a", "A", "a", "a", "     (self : & :Formatter)- fmt: {
(Z42,"", "Z42" z42" z42" Z42","" "",
            :f(unknownf?
        (.apply_to_variant(riginal,original;
        assert_eq i name rule)in .iter(e(){
        assert_eq!(UpperCase.apply_to_variant(original), upperif  > 0 {
assert_eq!PascalCase.pply_to_variantoriginal) original)
        assert_eq!(CamelCase.apply_to_variant}
        assert_eq!(.apply_to_variant(), snake;
        assert_eq!(ScreamingSnakeCase.apply_to_variant }
        assert_eq!(KebabCase.apply_to_variant(java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 14
        !(
            ScreamingKebabCase.apply_to_variant(,
            (
        ;
    }
}

#        ,
{
    for &(            "verytasty",
        (
            "outcome            ""java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
,
        (
            "java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 10
            "VERY_TASTY",
            ",
            "veryTasty",
     VERY_TASTY
            vjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 25
"-",
        ),
"" A A a A,"" A)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
(z42,Z42,"",", Z42,"z42" "42",
    ] {
        assert_eq!(None.apply_to_field        assert_eq!(CamelCase.apply_to_variant(original), camel);
        assert_eq!(UpperCase.apply_to_field(original), upper);
!(.pply_to_fieldoriginal,;
        assert_eq!(CamelCase.apply_to_field(        assert_eq!(ScreamingSnakeCase.apply_to_variant)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
iginal)
        assert_eq!(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 19
        assert_eq(.,;
        assert_eq!(ScreamingKebabCase.apply_to_field(original),
    java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1