Class: SVNLogParser

Inherits:
Object
  • Object
show all
Defined in:
lib/codespicuous/svn_log_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SVNLogParser

Returns a new instance of SVNLogParser.



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# File 'lib/codespicuous/svn_log_parser.rb', line 8

def initialize
  @commits = Commits.new
end

Instance Method Details

#commits ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 99

def commits
  @commits
end

#create_commit_changes_from_log_entry(logentry) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 51

def create_commit_changes_from_log_entry(logentry)
  changes = []
  logentry.elements.each("*/path") { |path|
    change = Change.new
    change.type = extract_change_type(path)
    change.kind = extract_kind(path)
    change.property_changed if  path.attributes["prop-mods"] == "true"
    change.copyfrom = path.attributes["copyfrom-path"]
    change.copyrev = path.attributes["copyfrom-rev"]
    change.file = path.text
    changes << change
  }
  changes
end

#create_commit_from_log_entry(logentry) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 29

def create_commit_from_log_entry(logentry)
  commit = Commit.new
  commit.revision = logentry.attributes["revision"]
  commit.author = logentry.elements["author"].text
  commit.message = logentry.elements["msg"].text
  commit.date = DateTime.parse(logentry.elements["date"].text)
  commit.changes = create_commit_changes_from_log_entry(logentry)
  commit
end

#extract_change_type(path) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 39

def extract_change_type(path)
  return :modified if path.attributes["action"] == "M"
  return :added if path.attributes["action"] == "A"
  return :deleted if path.attributes["action"] == "D"
  return :renamed if path.attributes["action"] == "R"
end

#extract_kind(path) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 46

def extract_kind(path)
  return :file if path.attributes["kind"] == "file"
  return :dir if path.attributes["kind"] == "dir"
end

#parse(xml_to_parse = nil) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 16

def parse(xml_to_parse = nil)
  @xml_to_parse = xml_to_parse if xml_to_parse

  xml = REXML::Document.new(@xml_to_parse)
  validate_xml(xml)

  xml.elements.each( "*/logentry" ) do |logentry|
    commit = create_commit_from_log_entry(logentry)
    @commits.add(commit)
  end
  self
end

#validate_log_entry(logentry) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 75

def validate_log_entry logentry
  invalid_attributes = logentry.attributes.collect { |a| a[0] unless a[0] == "revision" }.compact
  invalid_attributes.each { |a| raise ("Unexpected attributes log entry: " + a) }

  invalid_elements = logentry.elements.collect { |e| e.name unless ["author", "date", "paths", "msg"].include? e.name }.compact
  invalid_elements.each { |e| raise ("Unexpected element in log entry: " + e) }

  logentry.elements.each("*/path") { |path|
    validate_path path
  }
end

#validate_path(path) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 87

def validate_path path
  path.elements.each { |e| raise ("Unexpected element in path: " + e.name) }

  invalid_attributes = path.attributes.collect { |a| a[0] unless ["action", "prop-mods", "text-mods", "kind", "copyfrom-path", "copyfrom-rev"].include? a[0] }.compact
  invalid_attributes.each { |a| raise ("Unexpected attributes in path: " + a) }

  raise("Unexpected value to attribute action in path: " + path.attributes["action"]) unless ["R", "M", "A", "D"].include?(path.attributes["action"])
  raise("Unexpected value to attribute kind in path: " + path.attributes["kind"]) unless ["file", "dir"].include?(path.attributes["kind"])

  puts "Unexpected value to attribute text-mods in path: " + path.attributes["text-mods"] if path.attributes["text-mods"] == "false" and not ["D", "R"].include?(path.attributes["action"]) and path.attributes["kind"] != "dir"
end

#validate_xml(xml) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 66

def validate_xml(xml)
  non_logentries = xml.elements["log"].elements.collect { |e| e.name unless e.name == "logentry" }.compact
  non_logentries.each { |e| raise("Unexpected log entry: " + e) }

  xml.elements.each( "*/logentry" ) do |logentry|
    validate_log_entry(logentry)
  end
end

#xml_to_parse(xml_string) ⇒ Object 



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# File 'lib/codespicuous/svn_log_parser.rb', line 12

def xml_to_parse(xml_string)
  @xml_to_parse = xml_string
end