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Refactor things into separate files for easier reading

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This commit is contained in:
Roberto Alsina
2024-08-09 11:31:18 -03:00
parent a0ff4e0118
commit 47237eecc3
6 changed files with 277 additions and 270 deletions
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89
src/formatter.cr
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@ -19,93 +19,4 @@ module Tartrazine
raise Exception.new("Not implemented")
end
end
class Ansi < Formatter
def format(text : String, lexer : Lexer, theme : Theme) : String
output = String.build do |outp|
lexer.tokenize(text).each do |token|
outp << self.colorize(token[:value], token[:type], theme)
end
end
output
end
def colorize(text : String, token : String, theme : Theme) : String
style = theme.styles.fetch(token, nil)
return text if style.nil?
if theme.styles.has_key?(token)
s = theme.styles[token]
else
# Themes don't contain information for each specific
# token type. However, they may contain information
# for a parent style. Worst case, we go to the root
# (Background) style.
s = theme.styles[theme.style_parents(token).reverse.find { |parent|
theme.styles.has_key?(parent)
}]
end
colorized = text.colorize
s.color.try { |c| colorized = colorized.fore(c.colorize) }
# Intentionally not setting background color
colorized.mode(:bold) if s.bold
colorized.mode(:italic) if s.italic
colorized.mode(:underline) if s.underline
colorized.to_s
end
end
class Html < Formatter
def format(text : String, lexer : Lexer, theme : Theme) : String
output = String.build do |outp|
outp << "<html><head><style>"
outp << get_style_defs(theme)
outp << "</style></head><body>"
outp << "<pre class=\"#{get_css_class("Background", theme)}\"><code class=\"#{get_css_class("Background", theme)}\">"
lexer.tokenize(text).each do |token|
fragment = "<span class=\"#{get_css_class(token[:type], theme)}\">#{token[:value]}</span>"
outp << fragment
end
outp << "</code></pre></body></html>"
end
output
end
# ameba:disable Metrics/CyclomaticComplexity
def get_style_defs(theme : Theme) : String
output = String.build do |outp|
theme.styles.each do |token, style|
outp << ".#{get_css_class(token, theme)} {"
# These are set or nil
outp << "color: #{style.color.try &.hex};" if style.color
outp << "background-color: #{style.background.try &.hex};" if style.background
outp << "border: 1px solid #{style.border.try &.hex};" if style.border
# These are true/false/nil
outp << "border: none;" if style.border == false
outp << "font-weight: bold;" if style.bold
outp << "font-weight: 400;" if style.bold == false
outp << "font-style: italic;" if style.italic
outp << "font-style: normal;" if style.italic == false
outp << "text-decoration: underline;" if style.underline
outp << "text-decoration: none;" if style.underline == false
outp << "}"
end
end
output
end
# Given a token type, return the CSS class to use.
def get_css_class(token, theme)
return Abbreviations[token] if theme.styles.has_key?(token)
# Themes don't contain information for each specific
# token type. However, they may contain information
# for a parent style. Worst case, we go to the root
# (Background) style.
Abbreviations[theme.style_parents(token).reverse.find { |parent|
theme.styles.has_key?(parent)
}]
end
end
end