Class: Openphar::Parsers::JpJaHtmlParser

Inherits:
JpHtmlParserBase show all
Defined in:
lib/openphar/parsers/jp_ja_html_parser.rb

Overview

Parser for Japanese (JA) Japan Pharmacopoeia HTML monographs

Parses JP monographs from Japanese HTML files where:

  • class="s1" contains Japanese names
  • class="s2" contains Latin names
  • class="s5" contains section headers
  • class="s3" contains content paragraphs

Japanese section headers:

  • 生薬の性状 / 性状 - Macroscopic Description
  • 顕微鏡的性状 - Microscopic Description
  • 確認試験 - Identification
  • 純度試験 - Purity
  • 異物 - Foreign Matter
  • 乾燥減量 - Loss on Drying
  • 灰分 - Total Ash
  • 酸不溶性灰分 - Acid Insoluble Ash
  • エキス量 - Extractive
  • 定量法 - Assay
  • 貯法 - Storage
  • 容器 - Container

Constant Summary collapse

CRUDE_DRUG_SECTION_PATTERNS =

Japanese section patterns for crude drugs

{
  definition: /(?:生薬の性状|性状|成分規格)/,
  macroscopic_description: /生薬の性状/,
  microscopic_description: /顕微鏡的性状/,
  identification: /確認試験/,
  purity: /純度試験/,
  foreign_matter: /異物/,
  loss_on_drying: /乾燥減量/,
  total_ash: /灰分/,
  acid_insoluble_ash: /酸不溶性灰分/,
  extractive: /エキス量/,
  assay: /定量法/,
  storage: /貯法/,
  container: /容器/
}.freeze
CHEMICAL_DRUG_SECTION_PATTERNS =

Japanese section patterns for chemical drugs

{
  specification: /成分規格/,
  description: /性状/,
  identification: /確認試験/,
  purity: /純度試験/,
  loss_on_drying: /乾燥減量/,
  residue_on_ignition: /強熱残分/,
  assay: /定量法/,
  storage: /貯法/
}.freeze
JAPANESE_NAME_SELECTOR =

CSS selectors for Japanese HTML

"p.s1"
LATIN_NAME_SELECTOR = 
"p.s2"
CONTENT_SELECTOR = 
"p.s3"
SECTION_HEADER_CLASS = 
"s5"
REFERENCE_PATTERN =

Reference marker patterns (Japanese uses 〈〉 instead of <>)

/〈([^〉]+)〉/

Instance Attribute Summary collapse

Attributes inherited from JpHtmlParserBase

#document

Instance Method Summary collapse

Methods inherited from JpHtmlParserBase

parse_file, parse_files

Constructor Details

#initialize(html_content, monograph_type: :crude_drug) ⇒ JpJaHtmlParser

Initialize parser with HTML content

Parameters:

  • html_content (String) —

    The HTML content to parse

  • monograph_type (Symbol) (defaults to: :crude_drug) —

    :crude_drug or :chemical_drug



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# File 'lib/openphar/parsers/jp_ja_html_parser.rb', line 71

def initialize(html_content, monograph_type: :crude_drug)
  super(html_content)
  @monograph_type = monograph_type
  @section_patterns = if monograph_type == :crude_drug
                        CRUDE_DRUG_SECTION_PATTERNS
                      else
                        CHEMICAL_DRUG_SECTION_PATTERNS
                      end
end

Instance Attribute Details

#monographs ⇒ Object (readonly)

Returns the value of attribute monographs.



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# File 'lib/openphar/parsers/jp_ja_html_parser.rb', line 65

def monographs
  @monographs
end

Instance Method Details

#parse ⇒ Array<Hash>

Parse all monographs from the document

Returns:

  • (Array<Hash>) —

    Array of parsed monograph data



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# File 'lib/openphar/parsers/jp_ja_html_parser.rb', line 84

def parse
  @monographs = []
  current_monograph = nil

  # Iterate through all paragraph elements
  document.css("p").each do |paragraph|
    classes = paragraph.classes

    if classes.include?("s1") && monograph_name?(paragraph.text)
      # Start of a new monograph
      if current_monograph
        @monographs << current_monograph
      end

      current_monograph = start_new_monograph(paragraph)
    elsif current_monograph && classes.include?("s2")
      # Latin name follows Japanese name
      latin_name = extract_latin_name(paragraph.text)
      current_monograph[:latin_name] = latin_name if latin_name
    elsif current_monograph
      # Check for section headers (s5 class)
      if classes.include?(SECTION_HEADER_CLASS)
        current_section = detect_section(paragraph.text)
        current_monograph[:current_section] = current_section
      else
        # Content for current section
        add_content_to_section(current_monograph, paragraph.text)
      end
    end
  end

  # Don't forget the last monograph
  @monographs << current_monograph if current_monograph

  @monographs
end