From 452cadb85a098df9fab5146c7accef3c853c23a2 Mon Sep 17 00:00:00 2001 From: "Justin M. Keyes" Date: Fri, 16 Nov 2018 02:00:26 +0100 Subject: scripts/gen_help_html.py Adapted from https://github.com/c4rlo/vimhelp/ License: MIT --- scripts/gen_help_html.py | 355 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 355 insertions(+) create mode 100644 scripts/gen_help_html.py (limited to 'scripts/gen_help_html.py') diff --git a/scripts/gen_help_html.py b/scripts/gen_help_html.py new file mode 100644 index 0000000000..6cca81d250 --- /dev/null +++ b/scripts/gen_help_html.py @@ -0,0 +1,355 @@ +# Converts Vim/Nvim documentation to HTML. +# +# Adapted from https://github.com/c4rlo/vimhelp/ +# License: MIT +# +# Copyright (c) 2016 Carlo Teubner +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +import re, urllib.parse +from itertools import chain + +HEAD = """\ + + + + +Nvim: {filename} +""" + +HEAD_END = '\n\n' + +INTRO = """ +

Nvim help files

HTML export of the Nvim help pages{vers-note}. +Updated automatically from the Nvim source repository. +Also includes the Vim FAQ, pulled from its +source repository.

+""" + +VERSION_NOTE = ", current as of Vim {version}" + +SITENAVI_LINKS = """ +Quick links: +help overview · +quick reference · +user manual toc · +reference manual toc · +faq +""" + +SITENAVI_LINKS_PLAIN = SITENAVI_LINKS.format(helptxt='help.txt.html') +SITENAVI_LINKS_WEB = SITENAVI_LINKS.format(helptxt='/') + +SITENAVI_PLAIN = '

' + SITENAVI_LINKS_PLAIN + '

' +SITENAVI_WEB = '

' + SITENAVI_LINKS_WEB + '

' + +SITENAVI_SEARCH = '

' + SITENAVI_LINKS_WEB + \ +'

' + +TEXTSTART = """ +

+"""
+
+FOOTER = '

' + +FOOTER2 = """ + +

+ + +""" + +VIM_FAQ_LINE = '' \ + 'vim_faq.txt Frequently Asked Questions\n' + +RE_TAGLINE = re.compile(r'(\S+)\s+(\S+)') + +PAT_WORDCHAR = '[!#-)+-{}~\xC0-\xFF]' + +PAT_HEADER = r'(^.*~$)' +PAT_GRAPHIC = r'(^.* `$)' +PAT_PIPEWORD = r'(?|.)?)' +PAT_SPECIAL = r'(<.+?>|\{.+?}|' \ + r'\[(?:range|line|count|offset|\+?cmd|[-+]?num|\+\+opt|' \ + r'arg|arguments|ident|addr|group)]|' \ + r'(?<=\s)\[[-a-z^A-Z0-9_]{2,}])' +PAT_TITLE = r'(Vim version [0-9.a-z]+|VIM REFERENCE.*)' +PAT_NOTE = r'((? \t]+[a-zA-Z0-9/])' +PAT_WORD = r'((?$') +RE_EG_END = re.compile(r'\S') +RE_SECTION = re.compile(r'[-A-Z .][-A-Z0-9 .()]*(?=\s+\*)') +RE_STARTAG = re.compile(r'\s\*([^ \t|]+)\*(?:\s|$)') +RE_LOCAL_ADD = re.compile(r'LOCAL ADDITIONS:\s+\*local-additions\*$') + +class Link(object): + __slots__ = 'link_plain_same', 'link_pipe_same', \ + 'link_plain_foreign', 'link_pipe_foreign', \ + 'filename' + + def __init__(self, link_plain_same, link_plain_foreign, + link_pipe_same, link_pipe_foreign, filename): + self.link_plain_same = link_plain_same + self.link_plain_foreign = link_plain_foreign + self.link_pipe_same = link_pipe_same + self.link_pipe_foreign = link_pipe_foreign + self.filename = filename + +class VimH2H(object): + def __init__(self, tags, version=None, is_web_version=True): + self._urls = { } + self._version = version + self._is_web_version = is_web_version + for line in RE_NEWLINE.split(tags): + m = RE_TAGLINE.match(line) + if m: + tag, filename = m.group(1, 2) + self.do_add_tag(filename, tag) + + def add_tags(self, filename, contents): + for match in RE_STARTAG.finditer(contents): + tag = match.group(1).replace('\\', '\\\\').replace('/', '\\/') + self.do_add_tag(str(filename), tag) + + def do_add_tag(self, filename, tag): + tag_quoted = urllib.parse.quote_plus(tag) + def mkpart1(doc): + return '' + html_escape[tag] + '' + def mklinks(cssclass): + return (part1_same + cssclass + part2, + part1_foreign + cssclass + part2) + cssclass_plain = 'd' + m = RE_LINKWORD.match(tag) + if m: + opt, ctrl, special = m.groups() + if opt is not None: cssclass_plain = 'o' + elif ctrl is not None: cssclass_plain = 'k' + elif special is not None: cssclass_plain = 's' + links_plain = mklinks(cssclass_plain) + links_pipe = mklinks('l') + self._urls[tag] = Link( + links_plain[0], links_plain[1], + links_pipe[0], links_pipe[1], + filename) + + def maplink(self, tag, curr_filename, css_class=None): + links = self._urls.get(tag) + if links is not None: + if links.filename == curr_filename: + if css_class == 'l': return links.link_pipe_same + else: return links.link_plain_same + else: + if css_class == 'l': return links.link_pipe_foreign + else: return links.link_plain_foreign + elif css_class is not None: + return '' + html_escape[tag] + \ + '' + else: return html_escape[tag] + + def to_html(self, filename, contents, encoding): + out = [ ] + + inexample = 0 + filename = str(filename) + is_help_txt = (filename == 'help.txt') + faq_line = False + for line in RE_NEWLINE.split(contents): + line = line.rstrip('\r\n') + line_tabs = line + line = line.expandtabs() + if RE_HRULE.match(line): + out.extend(('', line, '\n')) + continue + if inexample == 2: + if RE_EG_END.match(line): + inexample = 0 + if line[0] == '<': line = line[1:] + else: + out.extend(('', html_escape[line], + '\n')) + continue + if RE_EG_START.match(line_tabs): + inexample = 1 + line = line[0:-1] + if RE_SECTION.match(line_tabs): + m = RE_SECTION.match(line) + out.extend((r'', m.group(0), r'')) + line = line[m.end():] + if is_help_txt and RE_LOCAL_ADD.match(line_tabs): + faq_line = True + lastpos = 0 + for match in RE_TAGWORD.finditer(line): + pos = match.start() + if pos > lastpos: + out.append(html_escape[line[lastpos:pos]]) + lastpos = match.end() + header, graphic, pipeword, starword, command, opt, ctrl, \ + special, title, note, url, word = match.groups() + if pipeword is not None: + out.append(self.maplink(pipeword, filename, 'l')) + elif starword is not None: + out.extend(('', html_escape[starword], '')) + elif command is not None: + out.extend(('', html_escape[command], + '')) + elif opt is not None: + out.append(self.maplink(opt, filename, 'o')) + elif ctrl is not None: + out.append(self.maplink(ctrl, filename, 'k')) + elif special is not None: + out.append(self.maplink(special, filename, 's')) + elif title is not None: + out.extend(('', html_escape[title], + '')) + elif note is not None: + out.extend(('', html_escape[note], + '')) + elif header is not None: + out.extend(('', html_escape[header[:-1]], + '')) + elif graphic is not None: + out.append(html_escape[graphic[:-2]]) + elif url is not None: + out.extend(('' + + html_escape[url], '')) + elif word is not None: + out.append(self.maplink(word, filename)) + if lastpos < len(line): + out.append(html_escape[line[lastpos:]]) + out.append('\n') + if inexample == 1: inexample = 2 + if faq_line: + out.append(VIM_FAQ_LINE) + faq_line = False + + header = [] + header.append(HEAD.format(encoding=encoding, filename=filename)) + header.append(HEAD_END) + if self._is_web_version and is_help_txt: + vers_note = VERSION_NOTE.replace('{version}', self._version) \ + if self._version else '' + header.append(INTRO.replace('{vers-note}', vers_note)) + if self._is_web_version: + header.append(SITENAVI_SEARCH) + sitenavi_footer = SITENAVI_WEB + else: + header.append(SITENAVI_PLAIN) + sitenavi_footer = SITENAVI_PLAIN + header.append(TEXTSTART) + return ''.join(chain(header, out, (FOOTER, sitenavi_footer, FOOTER2))) + +class HtmlEscCache(dict): + def __missing__(self, key): + r = key.replace('&', '&') \ + .replace('<', '<') \ + .replace('>', '>') + self[key] = r + return r + +html_escape = HtmlEscCache() + + + +import sys, os, os.path +#import cProfile +sys.path.append('.') + +def slurp(filename): + try: + with open(filename, encoding='UTF-8') as f: + return f.read(), 'UTF-8' + except UnicodeError: + # 'ISO-8859-1' ? + with open(filename, encoding='latin-1') as f: + return f.read(), 'latin-1' + +def usage(): + return "usage: " + sys.argv[0] + " IN_DIR OUT_DIR [BASENAMES...]" + +def main(): + if len(sys.argv) < 3: sys.exit(usage()) + + in_dir = sys.argv[1] + out_dir = sys.argv[2] + basenames = sys.argv[3:] + + print( "Processing tags...") + h2h = VimH2H(slurp(os.path.join(in_dir, 'tags'))[0], is_web_version=False) + + if len(basenames) == 0: + basenames = os.listdir(in_dir) + + for basename in basenames: + if os.path.splitext(basename)[1] != '.txt' and basename != 'tags': + print( "Ignoring " + basename) + continue + print( "Processing " + basename + "...") + path = os.path.join(in_dir, basename) + text, encoding = slurp(path) + outpath = os.path.join(out_dir, basename + '.html') + of = open(outpath, 'w') + of.write(h2h.to_html(basename, text, encoding)) + of.close() + +main() +#cProfile.run('main()') -- cgit