Class: File

Inherits:
IO show all
Defined in:
opal/opal/corelib/file.rb

Constant Summary

Separator = 
SEPARATOR = '/'
ALT_SEPARATOR = 
nil
PATH_SEPARATOR = 
':'
FNM_SYSCASE =

Assuming case insenstive filesystem

0

Constants inherited from IO

IO::SEEK_CUR, IO::SEEK_END, IO::SEEK_SET

Instance Attribute Summary

Attributes inherited from IO

#sync, #tty, #write_proc

Class Method Summary collapse

Methods inherited from IO

#closed?, #flush, #tty?, #write

Class Method Details

.basename(name, suffix = nil) ⇒ Object 



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# File 'opal/opal/corelib/file.rb', line 161

def basename(name, suffix=nil)
  %x{
    var p, q, e, f = 0, n = -1, tmp, pointerMath, origName;

    if (name === nil) {
      #{raise TypeError, 'no implicit conversion of nil into String'}
    }
    if (#{name.respond_to?(:to_path)}) {
      name = #{name.to_path};
    }
    if (!name.$$is_string) {
      #{raise TypeError, "no implicit conversion of #{name.class} into String"}
    }
    if (suffix !== nil && !suffix.$$is_string) {
      #{raise TypeError, "no implicit conversion of #{suffix.class} into String"}
    }

    if (name.length == 0) {
      return name;
    }

    origName = name;
    name = skipprefix(name);

    while (isDirSep(name)) {
      tmp = name;
      name = inc(name);
    }

    if (!name) {
      p = tmp;
      f = 1;
    }
    else {
      if (!(p = lastSeparator(name))) {
        p = name;
      }
      else {
        while (isDirSep(p)) {
          p = inc(p);
        }
      }

      n = pointerSubtract(chompdirsep(p), p);

      for (q = p; pointerSubtract(q, p) < n && q.charAt(0) === '.'; q = inc(q)) {
      }

      for (e = null; pointerSubtract(q, p) < n; q = inc(q)) {
        if (q.charAt(0) === '.') {
          e = q;
        }
      }

      if (e) {
        f = pointerSubtract(e, p);
      }
      else {
        f = n;
      }
    }

    return handleSuffix(n, f, p, suffix, name, origName);
  }
end

.directory?(path) ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/file.rb', line 243

def directory?(path)
  files = []
  %x{
    for (var key in Opal.modules) {
      #{files}.push(key)
    }
  }
  path = path.gsub(%r{(^.#{SEPARATOR}+|#{SEPARATOR}+$)})
  file = files.find do |file|
    file =~ /^#{path}/
  end
  file
end

.dirname(path) ⇒ Object 



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# File 'opal/opal/corelib/file.rb', line 126

def dirname(path)
  %x{
    if (path === nil) {
      #{raise TypeError, 'no implicit conversion of nil into String'}
    }
    if (#{path.respond_to?(:to_path)}) {
      path = #{path.to_path};
    }
    if (!path.$$is_string) {
      #{raise TypeError, "no implicit conversion of #{path.class} into String"}
    }

    var root, p;

    root = skipRoot(path);

    // if (root > name + 1) in the C code
    if (root.length == 0) {
      path = path.substring(path.length - 1, path.length);
    }
    else if (root.length - path.length < 0) {
      path = path.substring(path.indexOf(root)-1, path.length);
    }

    p = lastSeparator(root);
    if (!p) {
      p = root;
    }
    if (p === path) {
      return '.';
    }
    return path.substring(0, path.length - p.length);
  }
end

.exist?(path) ⇒ Boolean Also known as: exists?

Returns:



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# File 'opal/opal/corelib/file.rb', line 238

def exist? path
  `Opal.modules[#{path}] != null`
end

.expand_path(path, basedir = nil) ⇒ Object Also known as: realpath 



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# File 'opal/opal/corelib/file.rb', line 9

def expand_path(path, basedir = nil)
  path = [basedir, path].compact.join(SEPARATOR)
  parts = path.split(SEPARATOR)
  new_parts = []
  parts[0] = Dir.home if parts.first == '~'
  parts[0] = Dir.pwd if parts.first == '.'

  parts.each do |part|
    if part == '..'
      new_parts.pop
    else
      new_parts << part
    end
  end
  new_parts.join(SEPARATOR)
end

.extname(path) ⇒ Object

Raises:



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# File 'opal/opal/corelib/file.rb', line 227

def extname(path)
  raise TypeError, 'no implicit conversion of nil into String' if path.nil?
  path = path.to_path if path.respond_to?(:to_path)
  raise TypeError, "no implicit conversion of #{path.class} into String" unless path.is_a?(String)
  filename = basename(path)
  return '' if filename.empty?
  last_dot_idx = filename[1..-1].rindex('.')
  # extension name must contains at least one character .(something)
  (last_dot_idx.nil? || last_dot_idx + 1 == filename.length - 1) ? '' : filename[(last_dot_idx + 1)..-1]
end

.join(*paths) ⇒ Object 



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# File 'opal/opal/corelib/file.rb', line 257

def join(*paths)
  paths.join(SEPARATOR).gsub(%r{#{SEPARATOR}+}, SEPARATOR)
end

.split(path) ⇒ Object 



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# File 'opal/opal/corelib/file.rb', line 261

def split(path)
  path.split(SEPARATOR)
end