lafrite/Mapytex
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render accept ":"

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lafrite 2014-01-19 18:32:32 +01:00
parent bb12e67557
commit a0dbef2946
1 changed files with 6 additions and 6 deletions
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12
render.py
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@ -15,7 +15,7 @@ class Render(object):
Those three dictionnaries while define how a postfix expression will be transform into a string.
"""
PRIORITY = {"*" : 3, "/": 3, "+": 2, "-":2, "(": 1}
PRIORITY = {"*" : 3, "/": 3, ":": 3, "+": 2, "-":2, "(": 1}
def __init__(self, op_infix = {}, op_postfix = {}, other = {}, join = " ", type_render = {int: str, Fraction: str, FormalExp: str}):
"""Initiate the render
@ -204,7 +204,7 @@ class flist(list):
# ------------------------
# A console render
txt_infix = {"+": "+", "-": "-", "*": "*", "/" : "/"}
txt_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":": ":"}
txt_postfix = {}
txt_other = {"(": "(", ")": ")"}
@ -213,7 +213,7 @@ txt_render = Render(txt_infix, txt_postfix, txt_other)
# ------------------------
# A infix to postfix list convertor
p2i_infix = {"+": "+", "-": "-", "*": "*", "/" : "/"}
p2i_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":":":"}
p2i_postfix = {}
p2i_other = {"(": "(", ")": ")"}
@ -232,7 +232,7 @@ def texSlash(op1, op2):
def texFrac(frac):
return ["\\frac{" , str(frac._num) , "}{" , str(frac._denom) , "}"]
tex_infix = {"+": " + ", "-": " - ", "*": " \\times "}
tex_infix = {"+": " + ", "-": " - ", "*": " \\times ", ":": ":"}
tex_postfix = {"/": texSlash}
tex_other = {"(": "(", ")": ")"}
tex_type_render = {int: str, Fraction: texFrac, FormalExp: str}
@ -242,9 +242,9 @@ tex_render = Render(tex_infix, tex_postfix, tex_other, type_render = tex_type_re
if __name__ == '__main__':
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/']
exp = [2, 5, '+', 1, '-', 3, 4, '*', ':']
print(txt_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, '+']
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, 5, '/', ':']
print(tex_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, '+']
print(post2in_fix(exp))