Class: GitReviewer::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/gitreviewer/analyze/builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source_branch, target_branch) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/gitreviewer/analyze/builder.rb', line 16

def initialize(source_branch, target_branch)
  @source_branch = source_branch
  @target_branch = target_branch
end

Instance Attribute Details

#diff_files ⇒ Object

Array<DiffFiles>



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# File 'lib/gitreviewer/analyze/builder.rb', line 14

def diff_files
  @diff_files
end

#source_blame ⇒ Object

BlameBranch



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# File 'lib/gitreviewer/analyze/builder.rb', line 11

def source_blame
  @source_blame
end

#source_branch ⇒ Object

source branch



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# File 'lib/gitreviewer/analyze/builder.rb', line 9

def source_branch
  @source_branch
end

#target_blame ⇒ Object

BlameBranch



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# File 'lib/gitreviewer/analyze/builder.rb', line 12

def target_blame
  @target_blame
end

#target_branch ⇒ Object

Returns the value of attribute target_branch.



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# File 'lib/gitreviewer/analyze/builder.rb', line 10

def target_branch
  @target_branch
end

Instance Method Details

#blame_branch(branch, files) ⇒ Object 



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# File 'lib/gitreviewer/analyze/builder.rb', line 82

def blame_branch(branch, files)
  blame_files = []
  files.each do |file_name|
    bf = BlameFile.new("", [], false, false)

    if Checker.is_file_exist?(branch, file_name) then
      if Checker.is_file_binary?(branch, file_name)
        bf = BlameFile.new(file_name, [], true, true)
      else
        bf = blame_file(branch, file_name)
      end
    else
      bf = BlameFile.new(file_name, [], false, false)
    end
    blame_files.append(bf)
  end
  result = BlameBranch.new(branch, blame_files)
  return result
end

#blame_file(branch, file_name) ⇒ Object 



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# File 'lib/gitreviewer/analyze/builder.rb', line 102

def blame_file(branch, file_name)
  blame_lines = []
  content = Checker.snapshot_of_blame_file(branch, file_name)
  # 遍历文件的每一行，得到 BlameLine 数组
  content.lines do |line|
    result = blame_line(line)
    blame_lines.append(result)
  end

  result = BlameFile.new(file_name, blame_lines, true, false)
  return result
end

#blame_line(text) ⇒ Object 



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# File 'lib/gitreviewer/analyze/builder.rb', line 115

def blame_line(text)
  # 获取哈希值
  hash = text.slice!(0, 40)
  rest = text.strip
  # 移除 (
  rest = rest[1..-1]
  # 根据时间格式进行拆分
  pattern = /\b\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2} [+-]\d{4}\b/
  pattern_index = rest.index(pattern)
  pattern_index = pattern_index + 25      # 2022-04-08 06:19:37 -0200 长度为 25
  # 根据特定位置进行拆分
  user_date = rest.slice(0, pattern_index)
  rest = rest.slice(pattern_index , rest.length)
  # user_date, rest = rest.split("+", 2)
  user_date = user_date.strip
  # 提取作者，日期。日期：提取倒数 19 个字符
  date = user_date.slice!(-25, 25)
  date = date.strip
  user = user_date.strip
  # # 提取行号，代码
  line, code = rest.split(")", 2)
  line = line.strip
  # 结果
  result = BlameLine.new(hash, user, date, line, code)
  return result
end

#build ⇒ Object 



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# File 'lib/gitreviewer/analyze/builder.rb', line 21

def build
  # 遍历分支改动的每个文件，得到 BlameFile 数组
  files = Checker.diff_files(@source_branch, @target_branch)
  header_length = 0

  if files == nil || files.count == 0
    Printer.warning "Warning: there are no analyzable differences between the target branch and source branch."
    exit 0
  else
    header = "============ Diff files between source<#{@source_branch}> and target<#{@target_branch}> ============"
    header_length = header.length
    footer = "=" * header_length

    Printer.verbose_put header
    Printer.verbose_put files
    Printer.verbose_put footer
    Printer.verbose_put "\n"
  end

  # 构建 source branch 的 BlameBranch
  source_header_title = " Source Blame Files "
  target_header_title = " Target Blame Files "
  source_prefix_length = (header_length - source_header_title.length) / 2
  target_prefix_length = (header_length - target_header_title.length) / 2
  source_header = "=" * source_prefix_length + source_header_title + "=" * (header_length - source_prefix_length - source_header_title.length)
  target_header = "=" * target_prefix_length + target_header_title + "=" * (header_length - target_prefix_length - target_header_title.length)
  footer = "=" * header_length

  # 打印 source branch Log
  Printer.verbose_put source_header
  files.each do |file_name|
    Printer.verbose_put "#{file_name}"
  end
  Printer.verbose_put footer
  Printer.verbose_put "\n"

  # 打印 target branch Log
  Printer.verbose_put target_header
  files.each do |file_name|
    Printer.verbose_put "#{file_name}"
  end
  Printer.verbose_put footer
  Printer.verbose_put "\n"

  # 构建 source branch & target branch
  @source_blame = blame_branch(@source_branch, files)
  @target_blame = blame_branch(@target_branch, files)

  # 构建 diff_files
  @diff_files = []
  @source_blame.blame_files.each_with_index do |sfile, index|
    tfile = @target_blame.blame_files[index]
    # Diff 时需要交换 tfile 和 sfile
    myers = Myers.new(tfile, sfile)
    @diff_files.append(myers.resolve)
  end

  # 打印 Code Diff

end