--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Helpviewer/Network/QtHelpAccessHandler.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,125 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a scheme access handler for QtHelp.
+"""
+
+from __future__ import unicode_literals
+
+import mimetypes
+import os
+
+from PyQt5.QtCore import QByteArray
+
+from .SchemeAccessHandler import SchemeAccessHandler
+
+from .NetworkReply import NetworkReply
+
+QtDocPath = "qthelp://com.trolltech."
+
+ExtensionMap = {
+ ".bmp": "image/bmp",
+ ".css": "text/css",
+ ".gif": "image/gif",
+ ".html": "text/html",
+ ".htm": "text/html",
+ ".ico": "image/x-icon",
+ ".jpeg": "image/jpeg",
+ ".jpg": "image/jpeg",
+ ".js": "application/x-javascript",
+ ".mng": "video/x-mng",
+ ".pbm": "image/x-portable-bitmap",
+ ".pgm": "image/x-portable-graymap",
+ ".pdf": "application/pdf",
+ ".png": "image/png",
+ ".ppm": "image/x-portable-pixmap",
+ ".rss": "application/rss+xml",
+ ".svg": "image/svg+xml",
+ ".svgz": "image/svg+xml",
+ ".text": "text/plain",
+ ".tif": "image/tiff",
+ ".tiff": "image/tiff",
+ ".txt": "text/plain",
+ ".xbm": "image/x-xbitmap",
+ ".xml": "text/xml",
+ ".xpm": "image/x-xpm",
+ ".xsl": "text/xsl",
+ ".xhtml": "application/xhtml+xml",
+ ".wml": "text/vnd.wap.wml",
+ ".wmlc": "application/vnd.wap.wmlc",
+}
+
+
+class QtHelpAccessHandler(SchemeAccessHandler):
+ """
+ Class implementing a scheme access handler for QtHelp.
+ """
+ def __init__(self, engine, parent=None):
+ """
+ Constructor
+
+ @param engine reference to the help engine (QHelpEngine)
+ @param parent reference to the parent object (QObject)
+ """
+ SchemeAccessHandler.__init__(self, parent)
+
+ self.__engine = engine
+
+ def __mimeFromUrl(self, url):
+ """
+ Private method to guess the mime type given an URL.
+
+ @param url URL to guess the mime type from (QUrl)
+ @return mime type for the given URL (string)
+ """
+ path = url.path()
+ ext = os.path.splitext(path)[1].lower()
+ if ext in ExtensionMap:
+ return ExtensionMap[ext]
+ else:
+ return "application/octet-stream"
+
+ def createRequest(self, op, request, outgoingData=None):
+ """
+ Public method to create a request.
+
+ @param op the operation to be performed
+ (QNetworkAccessManager.Operation)
+ @param request reference to the request object (QNetworkRequest)
+ @param outgoingData reference to an IODevice containing data to be sent
+ (QIODevice)
+ @return reference to the created reply object (QNetworkReply)
+ """
+ url = request.url()
+ strUrl = url.toString()
+
+ # For some reason the url to load is already wrong (passed from webkit)
+ # though the css file and the references inside should work that way.
+ # One possible problem might be that the css is loaded at the same
+ # level as the html, thus a path inside the css like
+ # (../images/foo.png) might cd out of the virtual folder
+ if not self.__engine.findFile(url).isValid():
+ if strUrl.startswith(QtDocPath):
+ newUrl = request.url()
+ if not newUrl.path().startswith("/qdoc/"):
+ newUrl.setPath("qdoc" + newUrl.path())
+ url = newUrl
+ strUrl = url.toString()
+
+ mimeType = mimetypes.guess_type(strUrl)[0]
+ if mimeType is None:
+ # do our own (limited) guessing
+ mimeType = self.__mimeFromUrl(url)
+
+ if self.__engine.findFile(url).isValid():
+ data = self.__engine.fileData(url)
+ else:
+ data = QByteArray(self.tr(
+ """<title>Error 404...</title>"""
+ """<div align="center"><br><br>"""
+ """<h1>The page could not be found</h1><br>"""
+ """<h3>'{0}'</h3></div>""").format(strUrl).encode("utf-8"))
+ return NetworkReply(request, data, mimeType, self.parent())
