Class: Coopy::SimpleMeta

Inherits:
Object
  • Object
show all
Defined in:
lib/lib/coopy/simple_meta.rb

Instance Method Summary collapse

Constructor Details

#initialize(t, has_properties = true, may_be_nested = false) ⇒ SimpleMeta

Returns a new instance of SimpleMeta.



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# File 'lib/lib/coopy/simple_meta.rb', line 7

def initialize(t,has_properties = true,may_be_nested = false)
  @t = t
  self.row_change
  self.col_change
  @has_properties = has_properties
  @may_be_nested = may_be_nested
  @metadata = nil
  @keys = nil
  @row_active = false
  @row_change_cache = nil
end

Instance Method Details

#add_meta_data(column, property, val) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 182

def add_meta_data(column,property,val)
  if @metadata == nil 
    @metadata = {}
    @keys = {}
  end
  if !@metadata.include?(column) 
    value = {}
    @metadata[column] = value
  end
  props = @metadata[column]
  begin
    value1 = val
    begin
      value2 = value1
      props[property] = value2
    end
  end
  @keys[property] = true
end

#alter_columns(columns) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 92

def alter_columns(columns)
  target = {}
  wfate = 0
  if @has_properties 
    target["@"] = wfate
    wfate+=1
  end
  begin
    _g1 = 0
    _g = columns.length
    while(_g1 < _g) 
      i = _g1
      _g1+=1
      col = columns[i]
      target[col.prev_name] = wfate if col.prev_name != nil
      wfate+=1 if col.name != nil
    end
  end
  fate = Array.new
  begin
    _g11 = 0
    _g2 = @t.get_width
    while(_g11 < _g2) 
      i1 = _g11
      _g11+=1
      targeti = -1
      name = @t.get_cell(i1,0)
      targeti = target[name] if target.include?(name)
      fate.push(targeti)
    end
  end
  @t.insert_or_delete_columns(fate,wfate)
  start = nil
  if @has_properties 
    start = 1
  else 
    start = 0
  end
  at = start
  begin
    _g12 = 0
    _g3 = columns.length
    while(_g12 < _g3) 
      i2 = _g12
      _g12+=1
      col1 = columns[i2]
      if col1.name != nil 
        @t.set_cell(at,0,col1.name) if col1.name != col1.prev_name
      end
      at+=1 if col1.name != nil
    end
  end
  return true if !@has_properties
  self.col_change
  at = start
  begin
    _g13 = 0
    _g4 = columns.length
    while(_g13 < _g4) 
      i3 = _g13
      _g13+=1
      col2 = columns[i3]
      if col2.name != nil 
        _g21 = 0
        _g31 = col2.props
        while(_g21 < _g31.length) 
          prop = _g31[_g21]
          _g21+=1
          self.set_cell(col2.name,prop.name,prop.val)
        end
      end
      at+=1 if col2.name != nil
    end
  end
  true
end

#apply_flags(flags) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 291

def apply_flags(flags)
  false
end

#as_table ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 202

def as_table 
  return @t if @has_properties && @metadata == nil
  return nil if @metadata == nil
  w = @t.get_width
  props = Array.new
  _it = ::Rb::RubyIterator.new(@keys.keys)
  while(_it.has_next) do
    k = _it._next
    props.push(k)
  end
  props.sort!{|a,b| Reflect.compare(a,b)}
  mt = ::Coopy::SimpleTable.new(w + 1,props.length + 1)
  mt.set_cell(0,0,"@")
  begin
    _g = 0
    while(_g < w) 
      x = _g
      _g+=1
      name = @t.get_cell(x,0)
      mt.set_cell(1 + x,0,name)
      next if !@metadata.include?(name)
      vals = @metadata[name]
      begin
        _g2 = 0
        _g1 = props.length
        while(_g2 < _g1) 
          i = _g2
          _g2+=1
          mt.set_cell(1 + x,i + 1,vals[props[i]]) if vals.include?(props[i])
        end
      end
    end
  end
  begin
    _g11 = 0
    _g3 = props.length
    while(_g11 < _g3) 
      y = _g11
      _g11+=1
      mt.set_cell(0,y + 1,props[y])
    end
  end
  mt
end

#change_row(rc) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 286

def change_row(rc)
  @row_change_cache.push(rc)
  false
end

#clone_meta(table = nil) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 247

def clone_meta(table = nil)
  result = ::Coopy::SimpleMeta.new(table)
  if @metadata != nil 
    result.keys = {}
    _it = ::Rb::RubyIterator.new(@keys.keys)
    while(_it.has_next) do
      k = _it._next
      result.keys[k] = true
    end
    result.metadata = {}
    _it2 = ::Rb::RubyIterator.new(@metadata.keys)
    while(_it2.has_next) do
      k1 = _it2._next
      next if !@metadata.include?(k1)
      vals = @metadata[k1]
      nvals = {}
      _it3 = ::Rb::RubyIterator.new(vals.keys)
      while(_it3.has_next) do
        p = _it3._next
        value = vals[p]
        begin
          value1 = value
          nvals[p] = value1
        end
      end
      result.metadata[k1] = nvals
    end
  end
  result
end

#get_name ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 307

def get_name 
  nil
end

#get_row_stream ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 295

def get_row_stream 
  ::Coopy::TableStream.new(@t)
end

#is_nested ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 299

def is_nested 
  @may_be_nested
end

#is_sql ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 303

def is_sql 
  false
end

#store_row_changes(changes) ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 33

def store_row_changes(changes)
  @row_change_cache = changes
  @row_active = true
end

#use_for_column_changes ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 278

def use_for_column_changes 
  true
end

#use_for_row_changes ⇒ Object 



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# File 'lib/lib/coopy/simple_meta.rb', line 282

def use_for_row_changes 
  @row_active
end