mirror of
https://github.com/fmtlib/fmt.git
synced 2024-12-11 09:50:06 +00:00
160 lines
3.9 KiB
Python
Executable File
160 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# reStructuredText (RST) to GitHub-flavored Markdown converter
|
|
|
|
import re, sys
|
|
from docutils import core, nodes, writers
|
|
|
|
|
|
def is_github_ref(node):
|
|
return re.match('https://github.com/.*/(issues|pull)/.*', node['refuri'])
|
|
|
|
|
|
class Translator(nodes.NodeVisitor):
|
|
def __init__(self, document):
|
|
nodes.NodeVisitor.__init__(self, document)
|
|
self.output = ''
|
|
self.indent = 0
|
|
self.preserve_newlines = False
|
|
|
|
def write(self, text):
|
|
self.output += text.replace('\n', '\n' + ' ' * self.indent)
|
|
|
|
def visit_document(self, node):
|
|
pass
|
|
|
|
def depart_document(self, node):
|
|
pass
|
|
|
|
def visit_section(self, node):
|
|
pass
|
|
|
|
def depart_section(self, node):
|
|
# Skip all sections except the first one.
|
|
raise nodes.StopTraversal
|
|
|
|
def visit_title(self, node):
|
|
self.version = re.match(r'(\d+\.\d+\.\d+).*', node.children[0]).group(1)
|
|
raise nodes.SkipChildren
|
|
|
|
def visit_title_reference(self, node):
|
|
raise Exception(node)
|
|
|
|
def depart_title(self, node):
|
|
pass
|
|
|
|
def visit_Text(self, node):
|
|
if not self.preserve_newlines:
|
|
node = node.replace('\n', ' ')
|
|
self.write(node)
|
|
|
|
def depart_Text(self, node):
|
|
pass
|
|
|
|
def visit_bullet_list(self, node):
|
|
pass
|
|
|
|
def depart_bullet_list(self, node):
|
|
pass
|
|
|
|
def visit_list_item(self, node):
|
|
self.write('* ')
|
|
self.indent += 2
|
|
|
|
def depart_list_item(self, node):
|
|
self.indent -= 2
|
|
self.write('\n\n')
|
|
|
|
def visit_paragraph(self, node):
|
|
pass
|
|
|
|
def depart_paragraph(self, node):
|
|
pass
|
|
|
|
def visit_reference(self, node):
|
|
if not is_github_ref(node):
|
|
self.write('[')
|
|
|
|
def depart_reference(self, node):
|
|
if not is_github_ref(node):
|
|
self.write('](' + node['refuri'] + ')')
|
|
|
|
def visit_target(self, node):
|
|
pass
|
|
|
|
def depart_target(self, node):
|
|
pass
|
|
|
|
def visit_literal(self, node):
|
|
self.write('`')
|
|
|
|
def depart_literal(self, node):
|
|
self.write('`')
|
|
|
|
def visit_literal_block(self, node):
|
|
self.write('\n\n```')
|
|
if 'c++' in node['classes']:
|
|
self.write('c++')
|
|
self.write('\n')
|
|
self.preserve_newlines = True
|
|
|
|
def depart_literal_block(self, node):
|
|
self.write('\n```\n')
|
|
self.preserve_newlines = False
|
|
|
|
def visit_inline(self, node):
|
|
pass
|
|
|
|
def depart_inline(self, node):
|
|
pass
|
|
|
|
def visit_image(self, node):
|
|
self.write('')
|
|
|
|
def depart_image(self, node):
|
|
pass
|
|
|
|
def write_row(self, row, widths):
|
|
for i, entry in enumerate(row):
|
|
text = entry[0][0] if len(entry) > 0 else ''
|
|
if i != 0:
|
|
self.write('|')
|
|
self.write('{:{}}'.format(text, widths[i]))
|
|
self.write('\n')
|
|
|
|
def visit_table(self, node):
|
|
table = node.children[0]
|
|
colspecs = table[:-2]
|
|
thead = table[-2]
|
|
tbody = table[-1]
|
|
widths = [int(cs['colwidth']) for cs in colspecs]
|
|
sep = '|'.join(['-' * w for w in widths]) + '\n'
|
|
self.write('\n\n')
|
|
self.write_row(thead[0], widths)
|
|
self.write(sep)
|
|
for row in tbody:
|
|
self.write_row(row, widths)
|
|
raise nodes.SkipChildren
|
|
|
|
def depart_table(self, node):
|
|
pass
|
|
|
|
class MDWriter(writers.Writer):
|
|
"""GitHub-flavored markdown writer"""
|
|
|
|
supported = ('md',)
|
|
"""Formats this writer supports."""
|
|
|
|
def translate(self):
|
|
translator = Translator(self.document)
|
|
self.document.walkabout(translator)
|
|
self.output = (translator.output, translator.version)
|
|
|
|
|
|
def convert(rst_path):
|
|
"""Converts RST file to Markdown."""
|
|
return core.publish_file(source_path=rst_path, writer=MDWriter())
|
|
|
|
|
|
if __name__ == '__main__':
|
|
convert(sys.argv[1])
|