WUT_Computer_Science/program/code/main.py

169 lines
4.8 KiB
Python

"""
Program for converting Latex files into html files
"""
from code.latex_classes.latex_classes import return_latex_classes
from code.error_messages.error_arrays import return_error_arrays
def command_name_check(latex_string, command_name):
error_arrays = return_error_arrays()
if latex_string[1: (len(command_name) + 1)] != command_name:
print(latex_string + error_arrays[4])
return "Error!"
return
def generic_checks(latex_string):
error_arrays = return_error_arrays()
if latex_string == "":
print(latex_string + error_arrays[0])
return "Error!"
if "}" not in latex_string:
print(latex_string + error_arrays[1])
return "Error!"
return
def generic_checks_command(latex_string):
error_arrays = return_error_arrays()
if generic_checks(latex_string) == "Error!":
return "Error!"
if latex_string[0] != "\\":
print(latex_string + error_arrays[6])
return "Error!"
return
def document_class(latex_string):
r"""
Converts LaTeX documentclass method to html
\documentclass{article}
"""
error_arrays = return_error_arrays()
if generic_checks_command(latex_string) == "Error!":
return "Error!"
if latex_string[len("\\documentclass{") - 1] != "{":
print(latex_string + error_arrays[3])
return "Error!"
if command_name_check(latex_string, "documentclass") == "Error!":
return "Error!"
document_type = latex_string[len(
"\\documentclass{"): (len(latex_string) - 1)]
latex_classes = return_latex_classes()
if document_type not in latex_classes:
return f"Error! class {document_type} is not known!"
return "<!DOCTYPE html>"
def begin_document(latex_string):
r"""
Converts LaTeX begin document method to html
\begin{document}
"""
if generic_checks_command(latex_string) == "Error!":
return "Error!"
if command_name_check(latex_string, "begin") == "Error!":
return "Error!"
return "<html>"
def begin_tabular(latex_string):
r"""
Checks if LaTeX begin tabular method is correct
"""
if generic_checks_command(latex_string) == "Error!":
return "Error!"
if command_name_check(latex_string, "begin") == "Error!":
return "Error!"
return "<table>"
def tabular_parameters(latex_string):
r"""
Checks if LaTeX tabular environment has any parameters
"""
if latex_string == "":
return ""
if latex_string == "[]":
return ""
return "Error!"
def tabular_required_parameters(latex_string):
if generic_checks(latex_string) == "Error!":
return "Error!"
if latex_string == "{}":
print("tabular_required_parameters, required table parameters are empty!:", latex_string)
return "Error!"
simple_parameters_dictionary = {
"l": "align='left'",
"c": "align='center'",
"r": "align='right'",
"|": "style=\"border-left: 1px solid black"
}
return latex_string
def length_conversions(latex_length):
length_dictionary = {
"pt": [1.3, "px"],
"mm": [1, "mm"],
"cm": [1, "cm"],
"in": [1, "in"],
"ex": [1, "ex"],
"em": [1, "em"],
}
return length_dictionary.get(latex_length, "Error!")
def tabular_columns_parameters(latex_string):
if generic_checks(latex_string) == "Error!":
return "Error!"
parameter_dictionary = {
"p": "vertical-align: top;",
"m": "vertical-align: middle;",
"b": "vertical-align: bottom;"
}
vertical_align_type = parameter_dictionary.get(latex_string[0], "Error!")
if vertical_align_type == "Error!":
print("tabular_columns_parameters, unknown parameter: ",
latex_string[0])
return "Error!"
if latex_string[1] != '{':
print(
"tabular_columns_parameters, parameter length does not start with {", latex_string)
return "Error!"
length_parameter_with_bracket = latex_string.partition("{")[2]
length_parameter = length_parameter_with_bracket.partition("}")[0]
length_value = ""
i = 0
for character in length_parameter:
if character.isalpha():
break
length_value += character
i += 1
length_unit = length_parameter[i:]
conversed_unit = length_conversions(length_unit)
if conversed_unit == "Error!":
print("tabular_columns_parameters, Unit could not be conversed!", latex_string)
return "Error!"
print(length_value, conversed_unit, conversed_unit[0])
final_length = round(float(length_value) * conversed_unit[0], 2)
return_string = "style=\"" + vertical_align_type + \
" width: " + str(final_length) + conversed_unit[1] + ";\""
return return_string
def parameter_arguments(latex_string):
return latex_string
if __name__ == "__main__":
document_class("")