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import string
atom_end = set('()"\'') | set(string.whitespace)
def parse(sexp):
stack, i, length = [[]], 0, len(sexp)
while i < length:
c = sexp[i]
reading = type(stack[-1])
if reading == list:
match c:
case '(':
stack.append([])
case ')':
stack[-2].append(stack.pop())
if stack[-1][0] == ('quote',): stack[-2].append(stack.pop())
case '"':
stack.append('')
case "'":
stack.append([('quote',)])
case _:
if c in string.whitespace:
pass
else:
stack.append((c,))
elif reading == str:
if c == '"':
stack[-2].append(stack.pop())
if stack[-1][0] == ('quote',): stack[-2].append(stack.pop())
elif c == '\\':
i += 1
stack[-1] += sexp[i]
else:
stack[-1] += c
elif reading == tuple:
if c in atom_end:
atom = stack.pop()
if atom[0][0].isdigit():
stack[-1].append(eval(atom[0]))
else:
stack[-1].append(atom)
if stack[-1][0] == ('quote',):
stack[-2].append(stack.pop())
continue
else:
stack[-1] = ((stack[-1][0] + c),)
i += 1
return stack.pop()
def h(node, attributes, *children):
res_attrs = ''
if type(attributes) == dict:
for key in attributes:
res_attrs += f' {key}={attributes[key]}'
else:
children = [attributes] + list(children)
res = f'<{node} {res_attrs}>'
if type(children) in [tuple, list]:
res += ''.join(children)
elif type(children) == str:
res += children
res += f'</{node}>'
return res
def lines(s: str):
return [h('div', x) for x in s.split('\n')]
def chord_line(sexp):
res = ''
for x in sexp:
res += h('td', { 'class': 'g-Chord' }, x[0])
return res
def chords(sexp):
return h('section',
{ 'class': 'g-Section' },
h('h2', { 'class': 'g-Subtitle' }, 'Accords'),
h('table', { 'class': 'g-Chords' }, *[h('tr', {}, chord_line(x)) for x in sexp]))
part_names = {
'intro': 'Intro',
'verse': 'Couplet',
'chorus': 'Refrain',
'interlude': 'Interlude'
}
def lyrics(sexp):
ys = []
for x in sexp:
match x:
case [(name)]:
ys.append(h('section',
{ 'class': 'g-Section' },
h('div',
{ 'class': 'g-Lyrics__Part' },
h('h3', part_names[name[0]]))))
case [(name), s]:
ys.append(h('section',
{ 'class': 'g-Section' },
h('div',
{ 'class': 'g-Lyrics__Part' },
h('h3', part_names[name[0]]),
h('div', { 'class': 'g-Lyrics__Paragraph' }, *lines(s)))))
return h('section',
{ 'class': 'g-Section' },
h('h2', { 'class': 'g-Subtitle' }, 'Paroles'),
h('div', { 'class': 'g-Lyrics' }, *ys))
def sexp_prop(sexp, name):
return [x[1:] for x in sexp if x[0][0] == name][0]
# -----------------
with open('ben-e-king-stand-by-me.lisp', 'r') as f:
content = f.read()
sexp = parse(content)
title = sexp_prop(sexp, 'title')[0]
subtitle = sexp_prop(sexp, 'from')[0]
html = f'''
<!doctype html>
<html lang="fr">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>{title} – {subtitle}</title>
<link rel="stylesheet" href="main.css">
<link rel="icon" href="/icon.png">
<script src="/main.js"></script>
'''
html += h('body',
h('section',
{ 'class': 'g-Section' },
h('h1', { 'class': 'g-Title' }, title),
h('div', { 'class': 'g-Author' }, subtitle)),
chords(sexp_prop(sexp, 'chords')),
lyrics(sexp_prop(sexp, 'lyrics')))
with open('ben-e-king-stand-by-me.html', 'w') as f:
f.write(html)
print('OK')
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