Class: Liquidbook::SchemaParser

Inherits:
Object
  • Object
show all
Defined in:
lib/liquidbook/schema_parser.rb

Overview

Extracts and parses schema % blocks from section files

Constant Summary collapse

SCHEMA_REGEX = 
/\{%-?\s*schema\s*-?%\}(.*?)\{%-?\s*endschema\s*-?%\}/m

Instance Method Summary collapse

Constructor Details

#initialize(template_source) ⇒ SchemaParser

Returns a new instance of SchemaParser.



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# File 'lib/liquidbook/schema_parser.rb', line 10

def initialize(template_source)
  @source = template_source
end

Instance Method Details

#default_blocks ⇒ Object

Builds default block data from schema



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# File 'lib/liquidbook/schema_parser.rb', line 40

def default_blocks
  schema = parse
  blocks = schema.fetch("blocks", [])

  blocks.filter_map do |block|
    next unless block["type"]

    settings = (block["settings"] || []).each_with_object({}) do |s, h|
      h[s["id"]] = s["default"] if s["id"]
    end

    {
      "type" => block["type"],
      "settings" => settings
    }
  end
end

#default_settings ⇒ Object

Builds default settings values from schema



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# File 'lib/liquidbook/schema_parser.rb', line 30

def default_settings
  schema = parse
  settings = schema.fetch("settings", [])

  settings.each_with_object({}) do |setting, hash|
    hash[setting["id"]] = setting["default"] if setting["id"]
  end
end

#parse ⇒ Object 



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# File 'lib/liquidbook/schema_parser.rb', line 14

def parse
  match = @source.match(SCHEMA_REGEX)
  return {} unless match

  JSON.parse(match[1].strip)
rescue JSON::ParserError => e
  warn "Warning: Failed to parse schema JSON: #{e.message}"
  {}
end

#template_without_schema ⇒ Object

Returns the template source with the schema block removed



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# File 'lib/liquidbook/schema_parser.rb', line 25

def template_without_schema
  @source.gsub(SCHEMA_REGEX, "").strip
end