Class: Spreadsheet::HTML

Inherits:
Object
  • Object
show all
Defined in:
lib/Spreadsheet/HTML.rb,
lib/Spreadsheet/HTML/version.rb

Constant Summary collapse

VERSION = 
"1.0.3"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ HTML

Returns a new instance of HTML.



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# File 'lib/Spreadsheet/HTML.rb', line 78

def initialize( *args )
    (args[0] || []).each do |key,val|
        self.instance_eval { class << self; self end }.send(:attr_accessor, key)
        self.send( "#{key}=", val )
    end
end

Class Method Details

.gen(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 17

def self.gen  ( *args ) self.new.generate( *args ) end

Instance Method Details

#_args(things) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 176

def _args( things )

    data   = []
    args   = []
    while !things.empty?

        if things[0].kind_of?(Array)
            data.push( things.shift() )
            if things[0].kind_of?(Array)
                data.push( things.shift() )
            else
                args.push( things.shift() ) if !things.empty?
                args.push( things.shift() ) if !things.empty?
            end
        else
            args.push( things.shift() ) if !things.empty?
            args.push( things.shift() ) if !things.empty?
        end

    end

    params = {}
    self.instance_variables.each do |attr|
        params[attr[1..-1]] = self.instance_variable_get attr
    end

    (args || []).each do |hash|
        hash.each do |key,val|
            params[key] = val
        end
    end

    params['auto'] = Auto::Tag.new(
        'indent'    => params['indent'],
        'level'     => params['level'],
        'sorted'    => params['attr_sort'],
    )

    if !params['data'] and data[0].kind_of?(Array)
        data = [ data ] if !data[0][0].kind_of?(Array)
        params['data'] = data[0]
    end

    params['data'] = [ [ nil ] ] if params['data'].nil?

    params['_max_rows'] = params['data'].size    || 1
    params['_max_cols'] = params['data'][0].size || 1
    params['data']      = params['data'].clone

    if params['fill']
        (row,col) = params['fill'].split(/\D/)    
        if row.to_i > 0 && col.to_i > 0
            params['_max_rows'] = row.to_i if row.to_i > params['_max_rows']
            params['_max_cols'] = col.to_i if col.to_i > params['_max_cols']
        end
    end

    return params
end

#_colgroup(params) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 254

def _colgroup( params )
    colgroup = Array[]
    params['col'] = Array[ params['col'] ] if params['col'].kind_of?(Hash)

    if params['col'].kind_of?(Array)
        if params['colgroup'].kind_of?(Array)
            colgroup = params['colgroup'].map{ |cg| 
                {
                    'tag'   => 'colgroup',
                    'attr'  => cg,
                    'cdata' => params['col'].map{ |attr| { 'tag' => 'col', 'attr' => attr } }
                }
            }
        else
            colgroup = {
                'tag'   => 'colgroup',
                'attr'  => params['colgroup'],
                'cdata' => params['col'].map{ |attr| { 'tag' => 'col', 'attr' => attr } }
            }
        end
    else
        params['colgroup'] = Array[ params['colgroup'] ] if params['colgroup'].kind_of?(Hash)
        if params['colgroup'].kind_of?(Array)
            colgroup = params['colgroup'].map{ |attr| { 'tag' => 'colgroup', 'attr' => attr } }
        end
    end

    colgroup = Array[colgroup] if colgroup.kind_of?(Hash)
    return colgroup
end

#_extrapolate(cdata, orig_attr, thingy) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 236

def _extrapolate( cdata, orig_attr, thingy )
    new_attr = {}
    thingy = [ thingy ] unless thingy.kind_of?(Array)
    thingy.each do |t|
        if t.kind_of?(Hash)
            new_attr = t
        elsif t.kind_of?(Proc)
            cdata = t.call( cdata )
        end
    end

    attr = {}
    orig_attr.each { |key,val| attr[key] = val } if orig_attr.kind_of?(Hash)
    new_attr.each  { |key,val| attr[key] = val }

    return [ cdata, attr ]
end

#_make_table(params) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 85

def _make_table( params )
    cdata = Array[]

    if params.has_key?( 'caption' )
        cdata.push( _tag( 'caption', params['caption'] ) )
    end

    if params.has_key?( 'colgroup' ) or params.has_key?( 'col' )
        cdata.concat( _colgroup( params ) )
    end

    if params['tgroups'] && params['tgroups'] > 0

        body = params['data']
        # TODO: is this a bug? data vs params['data']
        head = body.shift() unless params['matrix'] && data.size() > 2
        foot = body.pop() if !params['matrix'] && params['tgroups'] > 1 and data.size() > 2

        head_row  = { 'tag' => 'tr', 'attr' => params['thead.tr'], 'cdata' => head }
        foot_row  = { 'tag' => 'tr', 'attr' => params['tfoot.tr'], 'cdata' => foot }
        body_rows = body.map{ |r| { 'tag' => 'tr', 'attr' => params['tr'], 'cdata' => r } }

        cdata.push({ 'tag' => 'thead', 'attr' => params['thead'], 'cdata' => head_row }) if head
        cdata.push({ 'tag' => 'tfoot', 'attr' => params['tfoot'], 'cdata' => foot_row }) if foot
        cdata.push({ 'tag' => 'tbody', 'attr' => params['tbody'], 'cdata' => body_rows })

    else
        cdata.concat( params['data'].map { |c| { 'tag' => 'tr', 'attr' => params['tr'], 'cdata' => c } } )
    end

    return params['auto'].tag( 'tag' => 'table', 'attr' => params['table'], 'cdata' => cdata )
end

#_process(args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 118

def _process( args )
    params = _args( args )

    # headings is an alias for _r0
    params['_r0'] = params['headings']

    index = {}
    if params['data'][0].size()
        for i in 0 .. params['data'][0].size() - 1
            key = params['data'][0][i] || ''
            index["_#{key}"] = i
        end

        params.keys.grep( /^_/ ) do |key|
            k = index[key] 
            params["_c#{k}"] = params[key] if index.has_key?( key )
        end
    end

    empty = params['empty'] || '&nbsp;'
    tag   = ( params['matrix'] or params['headless'] ) ? 'td' : 'th'

    encoder = Enco::Der.new
    for r in 0 .. params['_max_rows'] - 1

        unless params['_layout']
            params['data'][r] ||= []
            (params['_max_cols'] - params['data'][r].size).times { params['data'][r].push( nil ) }  # pad
            (params['data'][r].size - params['_max_cols']).times { params['data'][r].pop }          # truncate
        end

        row = []
        for c in 0 .. params['_max_cols'] - 1

            attr  = params[tag] || {}
            cdata = params['data'][r][c].to_s

            [ tag, "_c#{c}", "_r#{r}", "_r#{r}c#{c}" ].each do |dyna_param|
                if params.has_key?( dyna_param )
                    ( cdata, attr ) = _extrapolate( cdata, attr, params[dyna_param] );
                end
            end 

            cdata = encoder.encode( cdata, params['encodes'] ) if params['encode'] or !params['encodes'].to_s.empty?
            cdata = cdata.gsub( /^\s*$/, empty.to_s )
            row.push( { 'tag' => tag, 'attr' => attr, 'cdata' => cdata } )

        end

        params['data'][r] = row
        tag = 'td'
    end

    params['data'].shift if params['headless']

    return params
end

#_tag(tag, cdata) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 285

def _tag( tag, cdata )
    tag = { 'tag' => tag, 'cdata' => cdata }
    if cdata.kind_of?( Hash )
        tag['cdata'] = cdata.keys[0]
        tag['attr']  = cdata.values[0]
    end
    return tag
end

#east(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 24

def east      ( *args ) generate( *args, 'theta' =>   90, 'tgroups' => 0, 'pinhead' => 1 ) end

#generate(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 27

def generate( *args )
    params = _process( args )

    if params['theta'] and params['flip'] 
        params['theta'] *= -1 
    end

    if !params['theta']           # north
        if params['flip']
            params['data'] = params['data'].map {|a| a.reverse }
        end

    elsif params['theta'] == 90   # east
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].transpose.map{|a| a.push( a.shift ) }
        else
            params['data'] = params['data'].transpose.map{|a| a.reverse }
        end

    elsif params['theta'] == -90
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].transpose.reverse.map {|a| a.push( a.shift ) } 
        else
            params['data'] = params['data'].transpose.reverse.map {|a| a.reverse }
        end

    elsif params['theta'] == 180
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].push( params['data'].shift ).map {|a| a.reverse }
        else
            params['data'] = params['data'].reverse.map {|a| a.reverse }
        end

    elsif params['theta'] == -180 # south
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].push( params['data'].shift )
        else
            params['data'] = params['data'].reverse
        end

    elsif params['theta'] == 270
        params['data'] = params['data'].transpose.reverse

    elsif params['theta'] == -270 # west
        params['data'] = params['data'].transpose

    end

    return _make_table( params )
end

#landscape(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 20

def landscape ( *args ) generate( *args, 'theta' => -270, 'tgroups' => 0 ) end

#north(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 22

def north     ( *args ) generate( *args, 'theta' => 0 ) end

#portrait(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 19

def portrait  ( *args ) generate( *args, 'theta' => 0 ) end

#south(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 25

def south     ( *args ) generate( *args, 'theta' => -180, 'tgroups' => 0, 'pinhead' => 1 ) end

#west(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 23

def west      ( *args ) generate( *args, 'theta' => -270, 'tgroups' => 0 ) end