68 lines
2.7 KiB
Go
68 lines
2.7 KiB
Go
package clifmt
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import (
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"fmt"
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"git.xdrm.io/go/clifmt/internal/color"
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tbold "git.xdrm.io/go/clifmt/internal/syntax/bold"
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tcolor "git.xdrm.io/go/clifmt/internal/syntax/color"
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thyperlink "git.xdrm.io/go/clifmt/internal/syntax/hyperlink"
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titalic "git.xdrm.io/go/clifmt/internal/syntax/italic"
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tunderline "git.xdrm.io/go/clifmt/internal/syntax/underline"
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"git.xdrm.io/go/clifmt/internal/transform"
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"strings"
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)
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var theme = color.DefaultTheme()
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var (
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dollarToken = `e4d097183ab04e49f25cb7b0956fb9eb25b90c0316a32cb5afcbcdd9a6692e8d2974919035789d5632b10d799db5b3e5bf8539592c904497f5c356f117ef37382`
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asteriskToken = `253c3cd0a904d28abc3e601e3557d59ea69da2616079ceef4987d58d55c9820c83026be92a917ee19a298e613ea0b393cc70d4e55dc614a9afc6a020d8f08f37`
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underscoreToken = `2b08e24b7833e90c74ed8e6c27b7b3cd5fe949e0f18b28af813d5f2df863d55f97b0ed7f8fbb26a152eda55ac073331ce11ac10702caca5b3ea4a29f722840b9`
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squareBracketToken = `51b06edd58f36003844941916cd3b313979fece55824d89ba02af052a229b2673aafffa541b703472c1a21d8e6a1bb3e844d236fb0e8bf5d62902b24042f4fb5`
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)
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// Sprintf returns a terminal-colorized output following the coloring format
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func Sprintf(format string, a ...interface{}) (string, error) {
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// 1. Pre-process format with 'fmt'
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formatted := fmt.Sprintf(format, a...)
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// 2. Protect escaped characters with tokens
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formatted = strings.Replace(formatted, "\\$", dollarToken, -1)
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formatted = strings.Replace(formatted, "\\*", asteriskToken, -1)
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formatted = strings.Replace(formatted, "\\_", underscoreToken, -1)
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formatted = strings.Replace(formatted, "\\[", squareBracketToken, -1)
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// 3. create transformation registry
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reg := transform.Registry{Transformers: make([]transform.Transformer, 0, 10)}
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reg.Transformers = append(reg.Transformers, tcolor.Export)
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reg.Transformers = append(reg.Transformers, tbold.Export)
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reg.Transformers = append(reg.Transformers, titalic.Export)
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reg.Transformers = append(reg.Transformers, tunderline.Export)
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reg.Transformers = append(reg.Transformers, thyperlink.Export)
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transformed, err := reg.Transform(formatted)
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if err != nil {
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return "", err
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}
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// 5. Restore token-protected characters
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transformed = strings.Replace(transformed, dollarToken, "$", -1)
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transformed = strings.Replace(transformed, asteriskToken, "*", -1)
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transformed = strings.Replace(transformed, underscoreToken, "_", -1)
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transformed = strings.Replace(transformed, squareBracketToken, "[", -1)
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// 6. return final output
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return transformed, nil
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}
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// Printf prints a terminal-colorized output following the coloring format
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func Printf(format string, a ...interface{}) error {
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s, err := Sprintf(format, a...)
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if err != nil {
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return err
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}
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fmt.Print(s)
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return nil
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}
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