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#!/bin/env python
import re
from sys import argv
path = argv[1]
data = list(filter(None, [line.rstrip("\n") for line in open(path)]))
latex = [
"\\documentclass[11pt]{article}",
"\\usepackage[utf8]{inputenc}",
"\\usepackage{hyperref}",
"\\usepackage{ulem}",
"\\usepackage{listings}",
"\\begin{document}"
]
rules = {
r"# (.*)": "\\section{0}", # Caption 1
r"## (.*)": "\\subsection{0}", # Caption 2
r"### (.*)": "\\subsubsection{0}", # Caption 3
r"\[([^\[]+)\]\(([^\)]+)\)": "\\href{1}{0}", # URLs
r"(\*\*|__)(.*?)\1": "\\textbf{1}", # Bold
r"(\*|_)(.*?)\1": "\\emph{1}", # Emphasize/italics
r"\~\~(.*?)\~\~": "\\sout{0}", # Strikethrough
r"\* (.*)": "ul", # Unordered list
r"[0-9]+\. (.*)": "ol", # Ordered list
r"```(.*)": "code", # Coding
r"\|(.*)\|": "table", # Table
}
for i, line in enumerate(data):
matched = False
new_line = line
for rule in rules:
match = re.match(rule, new_line)
if match:
matched = True
new_line = rules[rule]
for j, matched_group in enumerate(match.groups()):
if rules[rule][:1] == "\\":
new_line = new_line.replace(str(j), matched_group)
elif rules[rule] in ("ul", "ol"):
list_type = "itemize" if rules[rule] == "ul" else "enumerate"
if re.match(rule, data[i - 1]):
new_line = "\\item " + matched_group
if i + 1 == len(data) or not re.match(rule, data[i + 1]):
new_line += " \\end{" + list_type + "}"
else:
new_line = "\\begin{" + list_type + "} \\item " + matched_group
elif rules[rule] == "code":
found = i
while True:
found = found + 1 if found > len(data) else i
if "```" in data[found]:
break
new_line = "\\begin{lstlisting}[language=" + matched_group + "]\n" + "\n".join(data[i + 1:found]) + "\\end{lstlisting}"
elif rules[rule] == "table":
found = i
table = [matched_group.split("|")]
while True:
found = found + 1
if re.match(rule, data[found]):
table.append((re.match(rule, data[found]).groups()[0]).split("|"))
data[found] = ""
else:
data[i] = ""
break
new_line = "\\begin{table}[] \\begin{tabular}{" + ("c" * len(table[0])) + "} "
for k, row in enumerate(table):
for l, element in enumerate(row):
new_line += element
if l + 1 != len(row):
new_line += "&"
if k + 1 != len(table):
new_line += "\\\\ \n"
new_line += "\\end{tabular} \\end{table}"
# print(table)
if line[-2:] == " ":
new_line += "\\\\"
latex.append(new_line)
latex.append("\\end{document}")
open("output.tex", "w").write("\n".join(latex))
print(latex)
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