--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ProjectWeb/Html5ToJsConverter.py Wed Dec 31 20:38:35 2014 +0100
@@ -0,0 +1,152 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the HTML5 to JavaScript converter.
+"""
+
+from __future__ import unicode_literals
+
+import os
+import re
+import datetime
+import getpass
+
+from PyQt5.QtCore import QObject
+from PyQt5.QtWidgets import QDialog
+
+from .Html5ToJsConverterParameterDialog import \
+ Html5ToJsConverterParameterDialog
+
+
+class Html5ToJsConverter(QObject):
+ """
+ Class implementing the HTML5 to JavaScript converter.
+ """
+ JsTemplate8 = "{0}{1}{2}{3}{4}{5}{6}{7}"
+ TagsToIgnore = ('head', 'meta', 'noscript', 'script', 'style', 'link',
+ 'no-js', 'title', 'object', 'col', 'colgroup', 'option',
+ 'param', 'audio', 'basefont', 'isindex', 'svg', 'area',
+ 'embed', 'br')
+
+ def __init__(self, html, parent=None):
+ """
+ Constructor
+
+ @param html HTML text to be converted (string)
+ @param parent reference to the parent object (QObject)
+ """
+ super(Html5ToJsConverter, self).__init__(parent)
+
+ self.__html = html
+
+ def getJavaScript(self):
+ """
+ Public method to get the converted JavaScript text.
+
+ @return JavaScript text (string)
+ """
+ dlg = Html5ToJsConverterParameterDialog()
+ if dlg.exec_() == QDialog.Accepted:
+ indentation, scriptTags = dlg.getData()
+
+ self.__createSoup()
+
+ alreadyDone = list(self.TagsToIgnore)
+
+ js = "<script>{0}".format(os.linesep) if scriptTags else ""
+ js += "// {0} by {1}{2}".format(
+ datetime.datetime.now().isoformat().split(".")[0],
+ getpass.getuser(),
+ os.linesep
+ )
+ js += "$(document).ready(function(){" + os.linesep
+
+ # step 1: IDs
+ js += "/*{0}*/{1}".format(
+ "-" * 75,
+ os.linesep
+ )
+ for id_ in self.__getIds():
+ if id_ not in alreadyDone:
+ js += "{0}// {1}{2}".format(
+ indentation,
+ "#".join(id_).lower(),
+ os.linesep
+ )
+ js += self.JsTemplate8.format(
+ indentation,
+ "var ",
+ re.sub("[^a-z0-9]", "",
+ id_[1].lower() if len(id_[1]) < 11 else
+ re.sub("[aeiou]", "", id_[1].lower())),
+ " = ",
+ '$("#{0}").length'.format(id_[1]),
+ ";",
+ os.linesep,
+ os.linesep
+ )
+ alreadyDone.append(id_)
+
+ # step 2: classes
+ js += "/*{0}*/{1}".format(
+ "-" * 75,
+ os.linesep
+ )
+ for class_ in self.__getClasses():
+ if class_ not in alreadyDone:
+ js += "{0}// {1}{2}".format(
+ indentation,
+ ".".join(class_).lower(),
+ os.linesep
+ )
+ js += self.JsTemplate8.format(
+ indentation,
+ "var ",
+ re.sub("[^a-z0-9]", "",
+ class_[1].lower() if len(class_[1]) < 11 else
+ re.sub("[aeiou]", "", class_[1].lower())),
+ " = ",
+ '$(".{0}").length'.format(class_[1]),
+ ";",
+ os.linesep,
+ os.linesep
+ )
+ alreadyDone.append(class_)
+
+ js += "})"
+ js += "{0}</script>".format(os.linesep) if scriptTags else ""
+ else:
+ js = ""
+ return js.strip()
+
+ def __createSoup(self):
+ """
+ Private method to get a BeaitifulSoup object with our HTML text.
+ """
+ from bs4 import BeautifulSoup
+ self.__soup = BeautifulSoup(BeautifulSoup(self.__html).prettify())
+
+ def __getClasses(self):
+ """
+ Private method to extract all classes of the HTML text.
+
+ @return list of tuples containing the tag name and its classes
+ as a blank separated string (list of tuples of two strings)
+ """
+ classes = [(t.name, " ".join(t["class"])) for t in
+ self.__soup.find_all(True, {"class": True})]
+ return sorted(list(set(classes)))
+
+ def __getIds(self):
+ """
+ Private method to extract all IDs of the HTML text.
+
+ @return list of tuples containing the tag name and its ID
+ (list of tuples of two strings)
+ """
+ ids = [(t.name, t["id"]) for t in
+ self.__soup.find_all(True, {"id": True})]
+ return sorted(list(set(ids)))
