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https://github.com/ralsina/tartrazine.git
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6 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| d1ce83a9c8 | |||
| aabe028767 | |||
| ed61a84553 | |||
| b7e4aaa1f9 | |||
| 0f6b9b0117 | |||
| b81e9c4405 |
2
.github/workflows/coverage.yml
vendored
2
.github/workflows/coverage.yml
vendored
@ -15,7 +15,7 @@ jobs:
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uses: crystal-lang/install-crystal@v1
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- name: Run tests using kcov
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run: |
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sudo apt update && sudo apt install kcov
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sudo apt update && sudo apt upgrade && sudo apt install -y kcov
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wget https://github.com/alecthomas/chroma/releases/download/v2.14.0/chroma-2.14.0-linux-amd64.tar.gz
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tar xzvf chroma-2.14.0*gz
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mkdir ~/.local/bin -p
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27
README.md
27
README.md
@ -127,6 +127,33 @@ pico
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Be careful not to build without any themes at all, nothing will work.
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## Templates for standalone HTML output
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If you are using the HTML formatter, you can pass a template to use for the output. The template is a string where the following placeholders will be replaced:
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* `{{style_defs}}` will be replaced by the CSS styles needed for the theme
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* `{{code}}` will be replaced by the highlighted code
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This is an example template that changes the padding around the code:
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```jinja2
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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{{style_defs}}
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pre {
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padding: 1em;
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}
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</style>
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</head>
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<body>
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{{body}}
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</body>
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</html>
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```
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## Contributing
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1. Fork it (<https://github.com/ralsina/tartrazine/fork>)
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@ -28,6 +28,13 @@ module Tartrazine
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property? surrounding_pre : Bool = true
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property? wrap_long_lines : Bool = false
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property weight_of_bold : Int32 = 600
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property template : String = <<-TEMPLATE
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<!DOCTYPE html><html><head><style>
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{{style_defs}}
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</style></head><body>
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{{body}}
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</body></html>
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TEMPLATE
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property theme : Theme
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@ -42,7 +49,8 @@ module Tartrazine
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@standalone : Bool = false,
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@surrounding_pre : Bool = true,
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@wrap_long_lines : Bool = false,
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@weight_of_bold : Int32 = 600)
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@weight_of_bold : Int32 = 600,
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@template : String = @template)
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end
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def format(text : String, lexer : Lexer) : String
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@ -61,11 +69,15 @@ module Tartrazine
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# Wrap text into a full HTML document, including the CSS for the theme
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def wrap_standalone
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output = String.build do |outp|
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outp << "<!DOCTYPE html><html><head><style>"
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outp << style_defs
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outp << "</style></head><body>"
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if @template.includes? "{{style_defs}}"
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outp << @template.split("{{style_defs}}")[0]
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outp << style_defs
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outp << @template.split("{{style_defs}}")[1].split("{{body}}")[0]
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else
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outp << @template.split("{{body}}")[0]
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end
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end
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{output.to_s, "</body></html>"}
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{output.to_s, @template.split("{{body}}")[1]}
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end
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private def line_label(i : Int32) : String
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@ -350,6 +350,13 @@ module Tartrazine
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class CustomCrystalHighlighter < Crystal::SyntaxHighlighter
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@tokens = [] of Token
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def highlight(text)
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super
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rescue ex : Crystal::SyntaxException
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# Fallback to Ruby highlighting
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@tokens = Tartrazine.lexer("ruby").tokenizer(text).to_a
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end
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def render_delimiter(&block)
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@tokens << {type: "LiteralString", value: block.call.to_s}
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end
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12
src/main.cr
12
src/main.cr
@ -10,8 +10,8 @@ Keep in mind that not all formatters support all features.
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Usage:
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tartrazine (-h, --help)
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tartrazine FILE -f html [-t theme][--standalone][--line-numbers]
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[-l lexer][-o output]
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tartrazine FILE -f html [-t theme][--standalone [--template file]]
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[--line-numbers][-l lexer][-o output]
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tartrazine -f html -t theme --css
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tartrazine FILE -f terminal [-t theme][-l lexer][--line-numbers]
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[-o output]
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@ -35,6 +35,7 @@ Options:
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all style information. If not given, it will generate just
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a HTML fragment ready to include in your own page.
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--css Generate a CSS file for the theme called <theme>.css
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--template <file> Use a custom template for the HTML output [default: none]
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--line-numbers Include line numbers in the output
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-h, --help Show this screen
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-v, --version Show version number
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@ -64,6 +65,12 @@ if options["--list-formatters"]
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end
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theme = Tartrazine.theme(options["-t"].as(String))
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template = options["--template"].as(String)
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if template != "none" # Otherwise we will use the default template
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template = File.open(template).gets_to_end
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else
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template = nil
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end
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if options["-f"]
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formatter = options["-f"].as(String)
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@ -73,6 +80,7 @@ if options["-f"]
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formatter.standalone = options["--standalone"] != nil
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formatter.line_numbers = options["--line-numbers"] != nil
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formatter.theme = theme
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formatter.template = template if template
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when "terminal"
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formatter = Tartrazine::Ansi.new
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formatter.line_numbers = options["--line-numbers"] != nil
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@ -35,8 +35,8 @@ module Tartrazine
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end
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begin
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Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
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rescue
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raise Exception.new("Theme #{name} not found")
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rescue ex : Exception
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raise Exception.new("Error loading theme #{name}: #{ex.message}")
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end
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end
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