import inkex, simplestyle, math

from StringIO import StringIO

from urllib import quote

def export_MTEXT():

# mandatory group codes : (1 or 3, 10, 20) (text, x, y)

if (vals[groups['1']] or vals[groups['3']]) and vals[groups['10']] and vals[groups['20']]:

x = vals[groups['10']][0]

y = vals[groups['20']][0]

# optional group codes : (21, 40, 50) (direction, text height mm, text angle)

size = 12 # default fontsize in px

if vals[groups['40']]:

size = scale*vals[groups['40']][0]

attribs = {'x': '%f' % x, 'y': '%f' % y, 'style': 'font-size: %.1fpx; fill: %s' % (size, color)}

angle = 0 # default angle in degrees

if vals[groups['50']]:

angle = vals[groups['50']][0]

attribs.update({'transform': 'rotate (%f %f %f)' % (-angle, x, y)})

elif vals[groups['21']]:

if vals[groups['21']][0] == 1.0:

attribs.update({'transform': 'rotate (%f %f %f)' % (-90, x, y)})

elif vals[groups['21']][0] == -1.0:

attribs.update({'transform': 'rotate (%f %f %f)' % (90, x, y)})

attribs.update({inkex.addNS('linespacing','sodipodi'): '125%'})

node = inkex.etree.SubElement(layer, 'text', attribs)

text = ''

if vals[groups['3']]:

for i in range (0, len(vals[groups['3']])):

text += vals[groups['3']][i]

if vals[groups['1']]:

text += vals[groups['1']][0]

found = text.find('\P') # new line

while found > -1:

tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})

tspan.text = text[:found]

text = text[(found+2):]

found = text.find('\P')

tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})

tspan.text = text

def export_POINT():

# mandatory group codes : (10, 20) (x, y)

if vals[groups['10']] and vals[groups['20']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], w/2, 0.0, 1.0, 0.0, 0.0)

def export_LINE():

# mandatory group codes : (10, 11, 20, 21) (x1, x2, y1, y2)

if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']]:

path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], scale*(vals[groups['11']][0] - xmin), - scale*(vals[groups['21']][0] - ymax))

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_SPLINE():

# mandatory group codes : (10, 20, 70) (x, y, flags)

if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:

if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 4 and len(vals[groups['20']]) == 4:

path = 'M %f,%f C %f,%f %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2], vals[groups['10']][3], vals[groups['20']][3])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 3 and len(vals[groups['20']]) == 3:

path = 'M %f,%f Q %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_CIRCLE():

# mandatory group codes : (10, 20, 40) (x, y, radius)

if vals[groups['10']] and vals[groups['20']] and vals[groups['40']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, 0.0, 0.0)

def export_ARC():

# mandatory group codes : (10, 20, 40, 50, 51) (x, y, radius, angle1, angle2)

if vals[groups['10']] and vals[groups['20']] and vals[groups['40']] and vals[groups['50']] and vals[groups['51']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, vals[groups['50']][0]*math.pi/180.0, vals[groups['51']][0]*math.pi/180.0)

def export_ELLIPSE():

# mandatory group codes : (10, 11, 20, 21, 40, 41, 42) (xc, xm, yc, ym, width ratio, angle1, angle2)

if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']] and vals[groups['40']] and vals[groups['41']] and vals[groups['42']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['11']][0], scale*vals[groups['21']][0], vals[groups['40']][0], vals[groups['41']][0], vals[groups['42']][0])

def export_LEADER():

# mandatory group codes : (10, 20) (x, y)

if vals[groups['10']] and vals[groups['20']]:

if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])

for i in range (1, len(vals[groups['10']])):

path += ' %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_LWPOLYLINE():

# mandatory group codes : (10, 20, 70) (x, y, flags)

if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:

if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

# optional group codes : (42) (bulge)

iseqs = 0

ibulge = 0

while seqs[iseqs] != '20':

iseqs += 1

path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])

xold = vals[groups['10']][0]

yold = vals[groups['20']][0]

for i in range (1, len(vals[groups['10']])):

bulge = 0

iseqs += 1

while seqs[iseqs] != '20':

if seqs[iseqs] == '42':

bulge = vals[groups['42']][ibulge]

ibulge += 1

iseqs += 1

if bulge:

sweep = 0 # sweep CCW

if bulge < 0:

sweep = 1 # sweep CW

bulge = -bulge

large = 0 # large-arc-flag

if bulge > 1:

large = 1

r = math.sqrt((vals[groups['10']][i] - xold)**2 + (vals[groups['20']][i] - yold)**2)

r = 0.25*r*(bulge + 1.0/bulge)

path += ' A %f,%f 0.0 %d %d %f,%f' % (r, r, large, sweep, vals[groups['10']][i], vals[groups['20']][i])

else:

path += ' L %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])

xold = vals[groups['10']][i]

yold = vals[groups['20']][i]

if vals[groups['70']][0] == 1: # closed path

path += ' z'

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_HATCH():

# mandatory group codes : (10, 20, 70, 72, 92, 93) (x, y, fill, Edge Type, Path Type, Number of edges)

if vals[groups['10']] and vals[groups['20']] and vals[groups['70']] and vals[groups['72']] and vals[groups['92']] and vals[groups['93']]:

if vals[groups['70']][0] and len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

# optional group codes : (11, 21, 40, 50, 51, 73) (x, y, r, angle1, angle2, CCW)

i10 = 1 # count start points

i11 = 0 # count line end points

i40 = 0 # count circles

i72 = 0 # count edge type flags

path = ''

for i in range (0, len(vals[groups['93']])):

xc = vals[groups['10']][i10]

yc = vals[groups['20']][i10]

if vals[groups['72']][i72] == 2: # arc

rm = scale*vals[groups['40']][i40]

a1 = vals[groups['50']][i40]

path += 'M %f,%f ' % (xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))

else:

a1 = 0

path += 'M %f,%f ' % (xc, yc)

for j in range(0, vals[groups['93']][i]):

if vals[groups['92']][i] & 2: # polyline

if j > 0:

path += 'L %f,%f ' % (vals[groups['10']][i10], vals[groups['20']][i10])

if j == vals[groups['93']][i] - 1:

i72 += 1

elif vals[groups['72']][i72] == 2: # arc

xc = vals[groups['10']][i10]

yc = vals[groups['20']][i10]

rm = scale*vals[groups['40']][i40]

a2 = vals[groups['51']][i40]

diff = (a2 - a1 + 360) % (360)

sweep = 1 - vals[groups['73']][i40] # sweep CCW

large = 0 # large-arc-flag

if diff:

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a2*math.pi/180.0), yc + rm*math.sin(a2*math.pi/180.0))

else:

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos((a1+180.0)*math.pi/180.0), yc + rm*math.sin((a1+180.0)*math.pi/180.0))

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))

i40 += 1

i72 += 1

elif vals[groups['72']][i72] == 1: # line

path += 'L %f,%f ' % (scale*(vals[groups['11']][i11] - xmin), -scale*(vals[groups['21']][i11] - ymax))

i11 += 1

i72 += 1

i10 += 1

path += "z "

style = simplestyle.formatStyle({'fill': '%s' % color})

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_DIMENSION():

# mandatory group codes : (10, 11, 13, 14, 20, 21, 23, 24) (x1..4, y1..4)

if vals[groups['10']] and vals[groups['11']] and vals[groups['13']] and vals[groups['14']] and vals[groups['20']] and vals[groups['21']] and vals[groups['23']] and vals[groups['24']]:

dx = abs(vals[groups['10']][0] - vals[groups['13']][0])

dy = abs(vals[groups['20']][0] - vals[groups['23']][0])

if (vals[groups['10']][0] == vals[groups['14']][0]) and dx > 0.00001:

d = dx/scale

dy = 0

path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['13']][0], vals[groups['20']][0])

elif (vals[groups['20']][0] == vals[groups['24']][0]) and dy > 0.00001:

d = dy/scale

dx = 0

path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][0], vals[groups['23']][0])

else:

return

attribs = {'d': path, 'style': style + '; marker-start: url(#DistanceX); marker-end: url(#DistanceX)'}

inkex.etree.SubElement(layer, 'path', attribs)

x = scale*(vals[groups['11']][0] - xmin)

y = - scale*(vals[groups['21']][0] - ymax)

size = 12 # default fontsize in px

if vals[groups['3']]:

if DIMTXT.has_key(vals[groups['3']][0]):

size = scale*DIMTXT[vals[groups['3']][0]]

if size < 2:

size = 2

attribs = {'x': '%f' % x, 'y': '%f' % y, 'style': 'font-size: %.1fpx; fill: %s' % (size, color)}

if dx == 0:

attribs.update({'transform': 'rotate (%f %f %f)' % (-90, x, y)})

node = inkex.etree.SubElement(layer, 'text', attribs)

tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})

tspan.text = str(float('%.2f' % d))

def export_INSERT():

# mandatory group codes : (2, 10, 20) (block name, x, y)

if vals[groups['2']] and vals[groups['10']] and vals[groups['20']]:

x = vals[groups['10']][0]

y = vals[groups['20']][0] - scale*ymax

attribs = {'x': '%f' % x, 'y': '%f' % y, inkex.addNS('href','xlink'): '#' + quote(vals[groups['2']][0].encode("utf-8"))}

inkex.etree.SubElement(layer, 'use', attribs)

def export_BLOCK():

# mandatory group codes : (2) (block name)

if vals[groups['2']]:

global block

block = inkex.etree.SubElement(defs, 'symbol', {'id': vals[groups['2']][0]})

def export_ENDBLK():

global block

block = defs # initiallize with dummy

def export_ATTDEF():

# mandatory group codes : (1, 2) (default, tag)

if vals[groups['1']] and vals[groups['2']]:

vals[groups['1']][0] = vals[groups['2']][0]

export_MTEXT()

def generate_ellipse(xc, yc, xm, ym, w, a1, a2):

rm = math.sqrt(xm*xm + ym*ym)

a = math.atan2(ym, xm)

diff = (a2 - a1 + 2*math.pi) % (2*math.pi)

if abs(diff) > 0.0000001 and abs(diff - 2*math.pi) > 0.0000001: # open arc

large = 0 # large-arc-flag

if diff > math.pi:

large = 1

xt = rm*math.cos(a1)

yt = w*rm*math.sin(a1)

x1 = xt*math.cos(a) - yt*math.sin(a)

y1 = xt*math.sin(a) + yt*math.cos(a)

xt = rm*math.cos(a2)

yt = w*rm*math.sin(a2)

x2 = xt*math.cos(a) - yt*math.sin(a)

y2 = xt*math.sin(a) + yt*math.cos(a)

path = 'M %f,%f A %f,%f %f %d 0 %f,%f' % (xc+x1, yc-y1, rm, w*rm, -180.0*a/math.pi, large, xc+x2, yc-y2)

else: # closed arc

path = 'M %f,%f A %f,%f %f 1 0 %f,%f %f,%f %f 1 0 %f,%f z' % (xc+xm, yc-ym, rm, w*rm, -180.0*a/math.pi, xc-xm, yc+ym, rm, w*rm, -180.0*a/math.pi, xc+xm, yc-ym)

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def get_line():

return (stream.readline().strip(), stream.readline().strip())

def get_group(group):

line = get_line()

if line[0] == group:

return float(line[1])

else:

return 0.0

entities = {'MTEXT': export_MTEXT, 'TEXT': export_MTEXT, 'POINT': export_POINT, 'LINE': export_LINE, 'SPLINE': export_SPLINE, 'CIRCLE': export_CIRCLE, 'ARC': export_ARC, 'ELLIPSE': export_ELLIPSE, 'LEADER': export_LEADER, 'LWPOLYLINE': export_LWPOLYLINE, 'HATCH': export_HATCH, 'DIMENSION': export_DIMENSION, 'INSERT': export_INSERT, 'BLOCK': export_BLOCK, 'ENDBLK': export_ENDBLK, 'ATTDEF': export_ATTDEF, 'DICTIONARY': False}

groups = {'1': 0, '2': 1, '3': 2, '6': 3, '8': 4, '10': 5, '11': 6, '13': 7, '14': 8, '20': 9, '21': 10, '23': 11, '24': 12, '40': 13, '41': 14, '42': 15, '50': 16, '51': 17, '62': 18, '70': 19, '72': 20, '73': 21, '92': 22, '93': 23, '370': 24}

colors = { 1: '#FF0000', 2: '#FFFF00', 3: '#00FF00', 4: '#00FFFF', 5: '#0000FF',

6: '#FF00FF', 8: '#414141', 9: '#808080', 12: '#BD0000', 30: '#FF7F00',

250: '#333333', 251: '#505050', 252: '#696969', 253: '#828282', 254: '#BEBEBE', 255: '#FFFFFF'}

parser = inkex.optparse.OptionParser(usage="usage: %prog [options] SVGfile", option_class=inkex.InkOption)

parser.add_option("--auto", action="store", type="inkbool", dest="auto", default=True)

parser.add_option("--scale", action="store", type="string", dest="scale", default="1.0")

parser.add_option("--encoding", action="store", type="string", dest="input_encode", default="latin_1")

(options, args) = parser.parse_args(inkex.sys.argv[1:])

doc = inkex.etree.parse(StringIO('<svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"></svg>'))

desc = inkex.etree.SubElement(doc.getroot(), 'desc', {})

defs = inkex.etree.SubElement(doc.getroot(), 'defs', {})

marker = inkex.etree.SubElement(defs, 'marker', {'id': 'DistanceX', 'orient': 'auto', 'refX': '0.0', 'refY': '0.0', 'style': 'overflow:visible'})

inkex.etree.SubElement(marker, 'path', {'d': 'M 3,-3 L -3,3 M 0,-5 L 0,5', 'style': 'stroke:#000000; stroke-width:0.5'})

stream = open(args[0], 'r')

xmax = xmin = 0.0

ymax = 297.0 # default A4 height in mm

line = get_line()

flag = 0 # (0, 1, 2, 3) = (none, LAYER, LTYPE, DIMTXT)

layer_colors = {} # store colors by layer

layer_nodes = {} # store nodes by layer

linetypes = {} # store linetypes by name

DIMTXT = {} # store DIMENSION text sizes

while line[0] and line[1] != 'BLOCKS':

line = get_line()

if options.auto:

if line[1] == '$EXTMIN':

xmin = get_group('10')

if line[1] == '$EXTMAX':

xmax = get_group('10')

ymax = get_group('20')

if flag == 1 and line[0] == '2':

layername = unicode(line[1], options.input_encode)

attribs = {inkex.addNS('groupmode','inkscape'): 'layer', inkex.addNS('label','inkscape'): '%s' % layername}

layer_nodes[layername] = inkex.etree.SubElement(doc.getroot(), 'g', attribs)

if flag == 2 and line[0] == '2':

linename = unicode(line[1], options.input_encode)

linetypes[linename] = []

if flag == 3 and line[0] == '2':

stylename = unicode(line[1], options.input_encode)

if line[0] == '2' and line[1] == 'LAYER':

flag = 1

if line[0] == '2' and line[1] == 'LTYPE':

flag = 2

if line[0] == '2' and line[1] == 'DIMSTYLE':

flag = 3

if flag == 1 and line[0] == '62':

layer_colors[layername] = int(line[1])

if flag == 2 and line[0] == '49':

linetypes[linename].append(float(line[1]))

if flag == 3 and line[0] == '140':

DIMTXT[stylename] = float(line[1])

if line[0] == '0' and line[1] == 'ENDTAB':

flag = 0

if options.auto:

scale = 1.0

if xmax > xmin:

scale = 210.0/(xmax - xmin) # scale to A4 width

else:

scale = float(options.scale) # manual scale factor

desc.text = '%s - scale = %f' % (unicode(args[0], options.input_encode), scale)

scale *= 90.0/25.4 # convert from mm to pixels

if not layer_nodes:

attribs = {inkex.addNS('groupmode','inkscape'): 'layer', inkex.addNS('label','inkscape'): '0'}

layer_nodes['0'] = inkex.etree.SubElement(doc.getroot(), 'g', attribs)

layer_colors['0'] = 7

for linename in linetypes.keys(): # scale the dashed lines

linetype = ''

for length in linetypes[linename]:

linetype += '%.4f,' % math.fabs(length*scale)

linetypes[linename] = 'stroke-dasharray:' + linetype

entity = ''

block = defs # initiallize with dummy

while line[0] and line[1] != 'DICTIONARY':

line = get_line()

if entity and groups.has_key(line[0]):

seqs.append(line[0]) # list of group codes

if line[0] == '1' or line[0] == '2' or line[0] == '3' or line[0] == '6' or line[0] == '8': # text value

val = line[1].replace('\~', ' ')

val = inkex.re.sub( '\\\\A.*;', '', val)

val = inkex.re.sub( '\\\\H.*;', '', val)

val = inkex.re.sub( '\\^I', '', val)

val = inkex.re.sub( '{\\\\L', '', val)

val = inkex.re.sub( '}', '', val)

val = inkex.re.sub( '\\\\S.*;', '', val)

val = inkex.re.sub( '\\\\W.*;', '', val)

val = unicode(val, options.input_encode)

val = val.encode('unicode_escape')

val = inkex.re.sub( '\\\\\\\\U\+([0-9A-Fa-f]{4})', '\\u\\1', val)

val = val.decode('unicode_escape')

elif line[0] == '62' or line[0] == '70' or line[0] == '92' or line[0] == '93':

val = int(line[1])

elif line[0] == '10' or line[0] == '13' or line[0] == '14': # scaled float x value

val = scale*(float(line[1]) - xmin)

elif line[0] == '20' or line[0] == '23' or line[0] == '24': # scaled float y value

val = - scale*(float(line[1]) - ymax)

else: # unscaled float value

val = float(line[1])

vals[groups[line[0]]].append(val)

elif entities.has_key(line[1]):

if entities.has_key(entity):

if block != defs: # in a BLOCK

layer = block

elif vals[groups['8']]: # use Common Layer Name

layer = layer_nodes[vals[groups['8']][0]]

color = '#000000' # default color

if vals[groups['8']]:

if layer_colors.has_key(vals[groups['8']][0]):

if colors.has_key(layer_colors[vals[groups['8']][0]]):

color = colors[layer_colors[vals[groups['8']][0]]]

if vals[groups['62']]: # Common Color Number

if colors.has_key(vals[groups['62']][0]):

color = colors[vals[groups['62']][0]]

style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none'})

w = 0.5 # default lineweight for POINT

if vals[groups['370']]: # Common Lineweight

if vals[groups['370']][0] > 0:

w = 90.0/25.4*vals[groups['370']][0]/100.0

if w < 0.5:

w = 0.5

style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none', 'stroke-width': '%.1f' % w})

if vals[groups['6']]: # Common Linetype

if linetypes.has_key(vals[groups['6']][0]):

style += ';' + linetypes[vals[groups['6']][0]]

entities[entity]()

entity = line[1]

vals = [[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]

seqs = []

doc.write(inkex.sys.stdout)