def draw_productions_to_png(self, options, filename):
productions = self.get_productions()
if len(productions) == 0:
raise Exception("No named productions to generate")
from parcon.railroad import raildraw as _raildraw
_raildraw.draw_to_png(ordered_dict.OrderedDict([(k,
Then(Bullet(), v.create_railroad(options), Bullet()))
for k, v in productions.items()]), options, filename)
del _raildraw
def draw_railroad_to_png(self, options, filename):
"""
Draws a syntax diagram for this object to the specified .png image file
using the specified options. For now, just pass {} (i.e. an empty
dictionary) as options; I'll document what this actually does at a
later date.
"""
# raildraw /has/ to be imported here, not at the top of the module,
# because it depends on us and circular dependency issues will arise
# if the import is done at the top of this module
from parcon.railroad import raildraw as _raildraw
diagram = Then(Bullet(), self.create_railroad(options), Bullet())
_raildraw.draw_to_png(diagram, options, filename)
del _raildraw
def draw_railroad_to_png(self, options, filename):
"""
Draws a syntax diagram for this object to the specified .png image file
using the specified options. For now, just pass {} (i.e. an empty
dictionary) as options; I'll document what this actually does at a
later date.
"""
# raildraw /has/ to be imported here, not at the top of the module,
# because it depends on us and circular dependency issues will arise
# if the import is done at the top of this module
from parcon.railroad import raildraw as _raildraw
diagram = Then(Bullet(), self.create_railroad(options), Bullet())
_raildraw.draw_to_png(diagram, options, filename)
del _raildraw
def draw_productions_to_png(self, options, filename, tail=[]):
productions = self.get_productions()
if len(productions) == 0:
raise Exception("No named productions to generate")
# Sort the specified tail productions to the end
for name in tail:
if name in productions:
value = productions[name]
del productions[name]
productions[name] = value
from parcon.railroad import raildraw as _raildraw
_raildraw.draw_to_png(ordered_dict.OrderedDict([(k,
Then(Bullet(), v.create_railroad(options), Bullet()))
for k, v in productions.items()]), options, filename)
del _raildraw
def draw_productions_to_png(self, options, filename, tail=[]):
productions = self.get_productions()
if len(productions) == 0:
raise Exception("No named productions to generate")
# Sort the specified tail productions to the end
for name in tail:
if name in productions:
value = productions[name]
del productions[name]
productions[name] = value
from parcon.railroad import raildraw as _raildraw
_raildraw.draw_to_png(
ordered_dict.OrderedDict([
(k, Then(Bullet(), v.create_railroad(options), Bullet()))
for k, v in productions.items()
]), options, filename)
del _raildraw
def main():
if len(sys.argv) == 2:
out = sys.argv[1]
elif len(sys.argv) == 1:
out = os.curdir
else:
print >>sys.stderr, "Usage: %s [output directory]" % sys.argv[0]
return -1
# Tweak options to hide the title we don't need.
options = {"raildraw_title_hide": True, "raildraw_title_after": 0}
# Dump each diagram as a PNG.
for d in DIAGRAMS:
path = os.path.join(out, "%s.png" % d.keys()[0])
draw_to_png(d, options, path, True)
return 0
def main():
if len(sys.argv) == 2:
out = sys.argv[1]
elif len(sys.argv) == 1:
out = os.curdir
else:
sys.stderr.write('Usage: %s [output directory]\n' % sys.argv[0])
return -1
# Tweak options to hide the title we don't need.
options = {
'raildraw_title_hide':True,
'raildraw_title_after':0,
}
# Dump each diagram as a PNG.
for d in DIAGRAMS:
path = os.path.join(out, '%s.png' % list(d.keys())[0])
draw_to_png(d, options, path, True)
return 0
def main():
if len(sys.argv) == 2:
out = sys.argv[1]
elif len(sys.argv) == 1:
out = os.curdir
else:
sys.stderr.write('Usage: %s [output directory]\n' % sys.argv[0])
return -1
# Tweak options to hide the title we don't need.
options = {
'raildraw_title_hide': True,
'raildraw_title_after': 0,
}
# Dump each diagram as a PNG.
for d in DIAGRAMS:
path = os.path.join(out, '%s.png' % list(d.keys())[0])
draw_to_png(d, options, path, True)
return 0
Then(
Bullet(), Or(text("@"), Nothing()),
Or(
text("null"),
Then(
production("<text literal>"),
Or(
Then(text(".."),
Or(production("<text literal>"), Nothing())),
Nothing())),
Then(Or(text(".."), text(">"), text("<")),
production("<text literal>")),
Then(Or(text("%"), Nothing()),
Loop(production("<text literal>"), text("%")),
Or(text("%"), Nothing())),
), Bullet())),
])
options = {
"raildraw_title_before": 20,
"raildraw_title_after": 30,
"raildraw_scale": 2
}
i = 0
for pname in productions.keys():
i += 1
draw_to_png(
OrderedDict([(pname, productions[pname])]), options, 'target/filter/' +
('0' if i < 10 else '') + str(i) + '.' + pname + '.png', True)
