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Diffstat (limited to 'doc/manual/htmlhelp-qthelp.py')
-rwxr-xr-x | doc/manual/htmlhelp-qthelp.py | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/doc/manual/htmlhelp-qthelp.py b/doc/manual/htmlhelp-qthelp.py new file mode 100755 index 00000000..dd0405b8 --- /dev/null +++ b/doc/manual/htmlhelp-qthelp.py @@ -0,0 +1,281 @@ +#!/usr/bin/python3 + +# $Id: htmlhelp-qthelp.py $ +## @file +# A python script to create a .qhp file out of a given htmlhelp +# folder. Lots of things about the said folder is assumed. Please +# see the code and inlined comments. + +import sys, getopt +import os.path +import re +import codecs +import logging + +if sys.version_info >= (3, 0): + from html.parser import HTMLParser +else: + from HTMLParser import HTMLParser + + +__copyright__ = \ +""" +Copyright (C) 2006-2023 Oracle and/or its affiliates. + +This file is part of VirtualBox base platform packages, as +available from https://www.virtualbox.org. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation, in version 3 of the +License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, see <https://www.gnu.org/licenses>. + +SPDX-License-Identifier: GPL-3.0-only +""" + +# number of opened and not yet closed section tags of toc section +open_section_tags = 0 + +html_files = [] + +# use html_parser stuff to collect <a name tags +def create_keywords_section(folder): + keywords_section_lines = ['<keywords>'] + for html_file_name in html_files: + full_html_path = os.path.join(folder, html_file_name) + file_content = codecs.open(full_html_path, encoding='iso-8859-1').read() + + class html_parser(HTMLParser): + def __init__(self): + HTMLParser.__init__(self) + self.a_tag=[] + def handle_starttag(self, tag, attributes): + if tag != 'div' and tag != 'a': + return + if tag == 'a': + for a in attributes: + if a[0] == 'name': + self.a_tag.append(a[1]) + + parser = html_parser() + parser.feed(file_content) + for k in parser.a_tag: + line = '<keyword name="' + k + '" id="' + k + '" ref="' + html_file_name + '#' + k + '"/>' + keywords_section_lines.append(line); + keywords_section_lines.append('</keywords>') + return keywords_section_lines + +# find the png files under /images folder and create a part of the +# qhelp project file with <file> tags +def create_image_list(folder): + image_folder_name = 'images' + image_files_list = [] + # Look for 'images' sub folder + subdirs = [x[0] for x in os.walk(folder)] + full_folder_path = os.path.join(folder, image_folder_name) + if full_folder_path not in subdirs: + logging.error('Image subfolder "%s" is not found under "%s".', image_folder_name, folder) + return image_files_list; + png_files = [] + for f in os.listdir(full_folder_path): + png_files.append(image_folder_name + '/' + f) + image_files_list.append('<file>images/' + f + '</file>') + return image_files_list + +# open htmlhelp.hhp files and read the list of html files from there +def create_html_list(folder): + global html_files + file_name = 'htmlhelp.hhp' + html_file_lines = [] + if not file_name in os.listdir(folder): + logging.error('Could not find the file "%s" in "%s"', file_name, folder) + return html_file_lines + full_path = os.path.join(folder, 'htmlhelp.hhp') + file = codecs.open(full_path, encoding='iso-8859-1') + + lines = file.readlines() + file.close() + # first search for the [FILES] marker then collect .html lines + marker_found = 0 + for line in lines: + if '[FILES]' in line: + marker_found = 1 + continue + if marker_found == 0: + continue + if '.html' in line: + html_file_lines.append('<file>' + line.strip('\n') + '</file>') + html_files.append(line.strip('\n')) + return html_file_lines + + +def create_files_section(folder): + files_section_lines = ['<files>'] + files_section_lines += create_image_list(folder) + files_section_lines += create_html_list(folder) + files_section_lines.append('</files>') + return files_section_lines + +def parse_param_tag(line): + label = 'value="' + start = line.find(label); + if start == -1: + return '' + start += len(label) + end = line.find('"', start) + if end == -1: + return ''; + return line[start:end] + +# look at next two lines. they are supposed to look like the following +# <param name="Name" value="Oracle VM VirtualBox"> +# <param name="Local" value="index.html"> +# parse out value fields and return +# title="Oracle VM VirtualBox" ref="index.html +def parse_object_tag(lines, index): + result='' + if index + 2 > len(lines): + logging.warning('Not enough tags after this one "%s"',lines[index]) + return result + if not re.match(r'^\s*<param', lines[index + 1], re.IGNORECASE) or \ + not re.match(r'^\s*<param', lines[index + 2], re.IGNORECASE): + logging.warning('Skipping the line "%s" since next two tags are supposed to be param tags', lines[index]) + return result + title = parse_param_tag(lines[index + 1]) + ref = parse_param_tag(lines[index + 2]) + global open_section_tags + if title and ref: + open_section_tags += 1 + result = '<section title="' + title + '" ref="' + ref + '">' + else: + logging.warning('Title or ref part is empty for the tag "%s"', lines[index]) + return result + +# parse any string other than staring with <OBJECT +# decide if <session tag should be closed +def parse_non_object_tag(lines, index): + if index + 1 > len(lines): + return '' + global open_section_tags + if open_section_tags <= 0: + return '' + # replace </OBJECT with </section only if the next tag is not <UL + if re.match(r'^\s*</OBJECT', lines[index], re.IGNORECASE): + if not re.match(r'^\s*<UL', lines[index + 1], re.IGNORECASE): + open_section_tags -= 1 + return '</section>' + elif re.match(r'^\s*</UL', lines[index], re.IGNORECASE): + open_section_tags -= 1 + return '</section>' + return '' + +def parse_line(lines, index): + result='' + + # if the line starts with <OBJECT + if re.match(r'^\s*<OBJECT', lines[index], re.IGNORECASE): + result = parse_object_tag(lines, index) + else: + result = parse_non_object_tag(lines, index) + return result + +# parse toc.hhc file. assuming all the relevant information +# is stored in tags and attributes. whatever is outside of +# <... > pairs is filtered out. we also assume < ..> are not nested +# and each < matches to a > +def create_toc(folder): + toc_file = 'toc.hhc' + content = [x[2] for x in os.walk(folder)] + if toc_file not in content[0]: + logging.error('Could not find toc file "%s" under "%s"', toc_file, folder) + return + full_path = os.path.join(folder, toc_file) + file = codecs.open(full_path, encoding='iso-8859-1') + content = file.read() + file.close() + # convert the file string into a list of tags there by eliminating whatever + # char reside outside of tags. + char_pos = 0 + tag_list = [] + while char_pos < len(content): + start = content.find('<', char_pos) + if start == -1: + break + end = content.find('>', start) + if end == -1 or end >= len(content) - 1: + break + char_pos = end + tag_list.append(content[start:end +1]) + + # # insert new line chars. to make sure each line includes at most one tag + # content = re.sub(r'>.*?<', r'>\n<', content) + # lines = content.split('\n') + toc_string_list = ['<toc>'] + index = 0 + for tag in tag_list: + str = parse_line(tag_list, index) + if str: + toc_string_list.append(str) + index += 1 + toc_string_list.append('</toc>') + toc_string = '\n'.join(toc_string_list) + + return toc_string_list + +def usage(arg): + print('htmlhelp-qthelp.py -d <helphtmlfolder> -o <outputfilename>') + sys.exit() + +def main(argv): + helphtmlfolder = '' + output_filename = '' + try: + opts, args = getopt.getopt(sys.argv[1:],"hd:o:") + except getopt.GetoptError as err: + print(err) + usage(2) + for opt, arg in opts: + if opt == '-h': + usage(0) + elif opt in ("-d"): + helphtmlfolder = arg + elif opt in ("-o"): + output_filename = arg + + # check supplied helphtml folder argument + if not helphtmlfolder: + logging.error('No helphtml folder is provided. Exiting') + usage(2) + if not os.path.exists(helphtmlfolder): + logging.error('folder "%s" does not exist. Exiting', helphtmlfolder) + usage(2) + helphtmlfolder = os.path.normpath(helphtmlfolder) + + # check supplied output file name + if not output_filename: + logging.error('No filename for output is given. Exiting') + usage(2) + + out_xml_lines = ['<?xml version="1.0" encoding="UTF-8"?>', \ + '<QtHelpProject version="1.0">' , \ + '<namespace>org.virtualbox</namespace>', \ + '<virtualFolder>doc</virtualFolder>', \ + '<filterSection>'] + out_xml_lines += create_toc(helphtmlfolder) + create_files_section(helphtmlfolder) + out_xml_lines += create_keywords_section(helphtmlfolder) + out_xml_lines += ['</filterSection>', '</QtHelpProject>'] + + out_file = open(output_filename, 'wb') + out_file.write('\n'.join(out_xml_lines).encode('utf8')) + out_file.close() + +if __name__ == '__main__': + main(sys.argv[1:]) |