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59 lines
2.1 KiB
Markdown
59 lines
2.1 KiB
Markdown
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# CamelCase [](http://godoc.org/github.com/fatih/camelcase) [](https://travis-ci.org/fatih/camelcase)
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CamelCase is a Golang (Go) package to split the words of a camelcase type
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string into a slice of words. It can be used to convert a camelcase word (lower
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or upper case) into any type of word.
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## Splitting rules:
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1. If string is not valid UTF-8, return it without splitting as
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single item array.
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2. Assign all unicode characters into one of 4 sets: lower case
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letters, upper case letters, numbers, and all other characters.
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3. Iterate through characters of string, introducing splits
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between adjacent characters that belong to different sets.
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4. Iterate through array of split strings, and if a given string
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is upper case:
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* if subsequent string is lower case:
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* move last character of upper case string to beginning of
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lower case string
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## Install
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```bash
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go get github.com/fatih/camelcase
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```
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## Usage and examples
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```go
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splitted := camelcase.Split("GolangPackage")
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fmt.Println(splitted[0], splitted[1]) // prints: "Golang", "Package"
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```
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Both lower camel case and upper camel case are supported. For more info please
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check: [http://en.wikipedia.org/wiki/CamelCase](http://en.wikipedia.org/wiki/CamelCase)
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Below are some example cases:
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```
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"" => []
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"lowercase" => ["lowercase"]
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"Class" => ["Class"]
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"MyClass" => ["My", "Class"]
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"MyC" => ["My", "C"]
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"HTML" => ["HTML"]
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"PDFLoader" => ["PDF", "Loader"]
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"AString" => ["A", "String"]
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"SimpleXMLParser" => ["Simple", "XML", "Parser"]
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"vimRPCPlugin" => ["vim", "RPC", "Plugin"]
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"GL11Version" => ["GL", "11", "Version"]
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"99Bottles" => ["99", "Bottles"]
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"May5" => ["May", "5"]
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"BFG9000" => ["BFG", "9000"]
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"BöseÜberraschung" => ["Böse", "Überraschung"]
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"Two spaces" => ["Two", " ", "spaces"]
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"BadUTF8\xe2\xe2\xa1" => ["BadUTF8\xe2\xe2\xa1"]
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```
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