Class: VivlioStarter::CLI::Metrics::ChapterParser

Inherits:
Object
  • Object
show all
Defined in:
lib/vivlio_starter/cli/metrics/chapter_parser.rb

Overview

Markdown から章・節構造を解析する

Constant Summary collapse

H1_PATTERN = 
/^#\s+(.+)$/
H2_PATTERN = 
/^##\s+(.+)$/
CHAPTER_NUM_PATTERN = 
/^(\d+)-/

Instance Method Summary collapse

Constructor Details

#initialize(warning_checker) ⇒ ChapterParser

Returns a new instance of ChapterParser.



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# File 'lib/vivlio_starter/cli/metrics/chapter_parser.rb', line 27

def initialize(warning_checker)
  @warning_checker = warning_checker
end

Instance Method Details

#parse(path) ⇒ Object

ファイルパスから章メトリクスを生成する



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# File 'lib/vivlio_starter/cli/metrics/chapter_parser.rb', line 32

def parse(path)
  content = File.read(path, encoding: 'UTF-8')
  parse_content(path, content)
rescue Encoding::InvalidByteSequenceError, Encoding::UndefinedConversionError
  blank_chapter(path)
end

#parse_content(path, content) ⇒ Object

分量は本文（コードと記法を除いた地の文）で数える。 コードが多い章ほど「分量が十分」と判定されてしまう歪みを断つため （chapter-volume-calibration-data.md §7.1）。



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# File 'lib/vivlio_starter/cli/metrics/chapter_parser.rb', line 42

def parse_content(path, content)
  chapter_num = extract_chapter_num(path)
  title = extract_title(content) || File.basename(path, '.md')
  sections = parse_sections(content, chapter_num)
  total_chars = Analyzer.prose_length(content)

  warning = warning_checker.chapter_warning(chapter_num, total_chars)

  ChapterMetrics.new(
    path:,
    title:,
    chapter_num:,
    chars: total_chars,
    sections:,
    warning:
  )
end