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codegen.py
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codegen.py
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import requests
import glob
import os
from bs4 import BeautifulSoup
GENERATE_DOM_DECL = 0
GENERATE_DOM_DEFS = 1
GENERATE_DOM_TL = 2
GENERATE_DOM_TTD = 3
GENERATE_ATTR_DECL = 7
GENERATE_ATTR_DEFS = 8
GENERATE_ATTR_TL = 9
GENERATE_HANDLER_DEFS = 10
CG_MAP = {GENERATE_DOM_DECL: 'src/Deku/DOM.purs',
GENERATE_DOM_TL: 'src/Deku/DOM.purs',
GENERATE_DOM_TTD: 'src/Deku/DOM.purs',
GENERATE_ATTR_DECL: 'src/Deku/DOM.purs',
GENERATE_ATTR_TL: 'src/Deku/DOM.purs',
}
url = ('https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes')
r = requests.get(url)
page = r.text
soup = BeautifulSoup(page, features="html.parser")
table = soup.find('table')
# variable to check length of rows
x = (len(table.findAll('tr')) - 1)
# set to run through x
def normalize(x):
y = x[1:] if x[0] == '<' else x
z = y[:-1] if y[-1] == '>' else y
return z
GLOBAL_ATTRIBUTE = 'Global attribute'
GLOBAL_EVENT_HANDLERS = ['abort', 'animationcancel ', 'animationend ', 'animationiteration ', 'animationstart ', 'auxclick ', 'blur', 'error', 'focus', 'cancel', 'canplay', 'canplaythrough', 'change', 'click', 'close', 'contextmenu', 'dblclick', 'drag', 'dragend', 'dragenter', 'dragleave', 'dragover', 'dragstart', 'drop', 'durationchange', 'emptied', 'ended', 'formdata', 'gotpointercapture', 'input', 'invalid', 'keydown', 'keypress', 'keyup', 'load', 'loadeddata', 'loadedmetadata', 'loadend', 'loadstart', 'lostpointercapture', 'mousedown', 'mouseenter', 'mouseleave', 'mousemove', 'mouseout', 'mouseover',
'mouseup', 'mousewheel ', 'wheel', 'pause', 'play', 'playing', 'pointerdown', 'pointermove', 'pointerup', 'pointercancel', 'pointerover', 'pointerout', 'pointerenter', 'pointerleave', 'pointerlockchange ', 'pointerlockerror ', 'progress', 'ratechange', 'reset', 'resize', 'scroll', 'securitypolicyviolation', 'seeked', 'seeking', 'select', 'selectstart', 'selectionchange', 'show ', 'slotchange', 'stalled', 'submit', 'suspend', 'timeupdate', 'volumechange', 'touchcancel ', 'touchend ', 'touchmove ', 'touchstart ', 'transitioncancel', 'transitionend', 'transitionrun', 'transitionstart', 'waiting']
TAGS = ['<a>', '<abbr>', '<acronym>', '<address>', '<applet>', '<area>', '<article>', '<aside>', '<audio>', '<b>', '<base>', '<basefont>', '<bdi>', '<bdo>', '<big>', '<blockquote>', '<body>', '<br>', '<button>', '<canvas>', '<caption>', '<center>', '<cite>', '<code>', '<col>', '<colgroup>', '<data>', '<datalist>', '<dd>', '<del>', '<details>', '<dfn>', '<dialog>', '<dir>', '<div>', '<dl>', '<dt>', '<em>', '<embed>', '<fieldset>', '<figcaption>', '<figure>', '<font>', '<footer>', '<form>', '<frame>', '<frameset>', '<h1>', '<h2>', '<h3>', '<h4>', '<h5>', '<h6>', '<head>', '<header>', '<hr>', '<html>', '<i>', '<iframe>', '<img>', '<input>', '<ins>', '<kbd>', '<label>', '<legend>', '<li>', '<link>', '<main>',
'<map>', '<mark>', '<meta>', '<meter>', '<nav>', '<noframes>', '<noscript>', '<object>', '<ol>', '<optgroup>', '<option>', '<output>', '<p>', '<param>', '<picture>', '<pre>', '<progress>', '<q>', '<rp>', '<rt>', '<ruby>', '<s>', '<samp>', '<script>', '<section>', '<select>', '<small>', '<source>', '<span>', '<strike>', '<strong>', '<style>', '<sub>', '<summary>', '<sup>', '<svg>', '<table>', '<tbody>', '<td>', '<template>', '<textarea>', '<tfoot>', '<th>', '<thead>', '<time>', '<title>', '<tr>', '<track>', '<tt>', '<u>', '<ul>', '<var>', '<video>', '<wbr>']
TAGS = [normalize(x) for x in TAGS]
TAGS[TAGS.index('data')] = 'xdata'
AMAP = {}
for row in table.findAll('tr')[1:x]:
col = row.findAll('td')
attr = col[0].getText().replace('*', '')
name = col[1].getText()
AMAP[attr.strip().split('\n')[0]] = [thing for thing in [normalize(x.strip())
for x in name.split(',')] if thing in TAGS]
# don't need it...
del AMAP['data-']
AMAP['xtype'] = AMAP['type']
del AMAP['type']
def asattr(x):
return 'type' if x == 'xtype' else x
def astag(x):
return 'data' if x == 'xdata' else x
def bigat(x):
y = [z.capitalize() for z in x.split('-')]
return ''.join(y)
def bigtag(x):
y = [z.capitalize() for z in x.split('-')]
return ''.join(y)+'_'
def cg(CODEGEN_TARGET, ival = None, ival2 = None):
o = []
def print_(x): return o.append(x)
def noop_(x): return None
if CODEGEN_TARGET == GENERATE_DOM_DECL:
for x in TAGS:
term = bigtag(x)
typ = 'T'+term
noop_(f''' , {term}
, {x}
, {x}_''')
print_(f''', module Deku.DOM.Elt.{term.split('_')[0]}''')
elif CODEGEN_TARGET == GENERATE_DOM_TL:
for x in TAGS:
term = bigtag(x)
typ = 'T'+term
noop_(f''' , {term}
, {x}
, {x}_''')
print_(f'''import Deku.DOM.Elt.{term.split('_')[0]}({term}, {x}, {x}_)''')
elif CODEGEN_TARGET == GENERATE_DOM_TTD:
for x in TAGS:
term = bigtag(x)
typ = 'T'+term
print_(f'''instance tagToDeku{term} :: TagToDeku "{astag(x)}" {term}''')
elif CODEGEN_TARGET == GENERATE_DOM_DEFS:
x = ival
term = bigtag(x)
typ = 'T'+term
print_(f'''module Deku.DOM.Elt.{term.split('_')[0]} where
import Control.Plus (empty)
import Deku.Attribute (Attribute)
import Deku.Control (elementify)
import Deku.Core (Domable, class Korok)
import Bolson.Core (Entity(..), fixed)
import FRP.Event (AnEvent)
data {term}
{x}
:: forall s m lock payload
. Korok s m
=> AnEvent m (Attribute {term})
-> Array (Domable m lock payload)
-> Domable m lock payload
{x} attributes kids = Element' (elementify "{astag(x)}" attributes (fixed kids))
{x}_
:: forall s m lock payload
. Korok s m
=> Array (Domable m lock payload)
-> Domable m lock payload
{x}_ = {x} empty
''')
elif CODEGEN_TARGET == GENERATE_ATTR_DECL:
for x in AMAP.keys():
term = bigat(x)
noop_(f''' , {term}(..)''')
print_(f''', module Deku.DOM.Attr.{term}''')
for x in GLOBAL_EVENT_HANDLERS:
term = 'On'+x.capitalize()
noop_(f''' , {term}(..)''')
print_(f''', module Deku.DOM.Attr.{term}''')
elif CODEGEN_TARGET == GENERATE_ATTR_TL:
for x in AMAP.keys():
term = bigat(x)
noop_(f''' , {term}(..)''')
print_(f'''import Deku.DOM.Attr.{term}({term}(..))''')
for x in GLOBAL_EVENT_HANDLERS:
term = 'On'+x.capitalize()
noop_(f''' , {term}(..)''')
print_(f'''import Deku.DOM.Attr.{term}({term}(..))''')
elif CODEGEN_TARGET == GENERATE_ATTR_DEFS:
x = ival
k = ival
v = ival2
if v == []:
v = TAGS
term = bigat(x)
print_(f'''module Deku.DOM.Attr.{term} where''')
for att in v:
term2 = bigtag(att)
print_(f'''import Deku.DOM.Elt.{term2.split('_')[0]}({term2})''')
print_(f'''import Deku.Attribute (class Attr, prop', unsafeAttribute)
data {term} = {term}''')
term = bigat(k)
if v == []:
v = TAGS
for att in v:
term2 = bigtag(att)
print_(f'''instance Attr {term2} {term} String where
attr {term} value = unsafeAttribute {{ key: "{asattr(k)}", value: prop' value }}
''')
elif CODEGEN_TARGET == GENERATE_HANDLER_DEFS:
x = ival
term = 'On'+x.capitalize()
print_(f'''module Deku.DOM.Attr.{term} where
import Prelude
import Effect (Effect)
import Deku.Attribute (class Attr, Cb(..), cb', unsafeAttribute)
data {term} = {term}''')
term = 'On'+x.capitalize()
print_(f'''instance Attr anything {term} Cb where
attr {term} value = unsafeAttribute {{ key: "{x}", value: cb' value }}''')
print_(f'''instance Attr anything {term} (Effect Unit) where
attr {term} value = unsafeAttribute {{ key: "{x}", value: cb' (Cb (const (value $> true))) }}''')
print_(f'''instance Attr anything {term} (Effect Boolean) where
attr {term} value = unsafeAttribute {{ key: "{x}", value: cb' (Cb (const value)) }}''')
else:
raise ValueError('wat' + str(CODEGEN_TARGET) )
return '\n'.join(o)
if __name__ == '__main__':
import glob
files = glob.glob('src/Deku/DOM/Elt/*.purs')
for f in files:
os.remove(f)
files = glob.glob('src/Deku/DOM/Attr/*.purs')
for f in files:
os.remove(f)
for x in TAGS:
o = cg(1, x)
with open('src/Deku/DOM/Elt/%s.purs' % bigtag(x).split('_')[0], 'w') as wf:
wf.write(o)
for k,v in AMAP.items():
o = cg(8, k,v)
with open('src/Deku/DOM/Attr/%s.purs' % bigat(k), 'w') as wf:
wf.write(o)
for x in GLOBAL_EVENT_HANDLERS:
o = cg(10, x)
with open('src/Deku/DOM/Attr/On%s.purs' % bigat(x), 'w') as wf:
wf.write(o)
for z in [0,2,3,7,9]:
o = cg(z)
with open(CG_MAP[z], 'r') as rf:
i = rf.read().split('\n')
ii = []
skip = False
tgt = '-- codegen '+str(z)
for x in i:
#print(x)
if x.strip() == tgt:
skip = not skip
if not skip or x.strip() == tgt:
ii.append(x)
if x.strip() == tgt and skip:
ii.append(42)
if 42 not in ii:
raise ValueError('could not find target for %d %s' % (z, CG_MAP[z]),)
else:
ii[ii.index(42)] = o
with open(CG_MAP[z], 'w') as wf:
wf.write('\n'.join(ii))