class Liquid::Case
Constants
- Syntax
- WhenSyntax
Public Class Methods
new(tag_name, markup, tokens)
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Calls superclass method
# File lib/liquid/tags/case.rb, line 6 def initialize(tag_name, markup, tokens) @blocks = [] if markup =~ Syntax @left = $1 else raise SyntaxError.new("Syntax Error in tag 'case' - Valid syntax: case [condition]") end super end
Public Instance Methods
render(context)
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# File lib/liquid/tags/case.rb, line 30 def render(context) context.stack do execute_else_block = true output = '' @blocks.each do |block| if block.else? return render_all(block.attachment, context) if execute_else_block elsif block.evaluate(context) execute_else_block = false output << render_all(block.attachment, context) end end output end end
unknown_tag(tag, markup, tokens)
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Calls superclass method
Liquid::Block#unknown_tag
# File lib/liquid/tags/case.rb, line 18 def unknown_tag(tag, markup, tokens) @nodelist = [] case tag when 'when' record_when_condition(markup) when 'else' record_else_condition(markup) else super end end
Private Instance Methods
record_else_condition(markup)
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# File lib/liquid/tags/case.rb, line 64 def record_else_condition(markup) if not markup.strip.empty? raise SyntaxError.new("Syntax Error in tag 'case' - Valid else condition: {% else %} (no parameters) ") end block = ElseCondition.new block.attach(@nodelist) @blocks << block end
record_when_condition(markup)
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# File lib/liquid/tags/case.rb, line 49 def record_when_condition(markup) while markup # Create a new nodelist and assign it to the new block if not markup =~ WhenSyntax raise SyntaxError.new("Syntax Error in tag 'case' - Valid when condition: {% when [condition] [or condition2...] %} ") end markup = $2 block = Condition.new(@left, '==', $1) block.attach(@nodelist) @blocks.push(block) end end