+ switch (cmd.action()) {
+ case LFUN_INSET_EDIT:
+ flag.setEnabled(getParam("type").empty() || getParam("type") == "file:");
+ return true;
+
+ default:
+ return InsetCommand::getStatus(cur, cmd, flag);
+ }
+}
+
+
+void InsetHyperlink::viewTarget() const
+{
+ if (getParam("type") == "file:") {
+ FileName url = makeAbsPath(to_utf8(getParam("target")), buffer().filePath());
+ string const format = formats.getFormatFromFile(url);
+ formats.view(buffer(), url, format);
+ }
+}
+
+
+void InsetHyperlink::latex(otexstream & os,
+ OutputParams const & runparams) const
+{
+ docstring url = getParam("target");
+ docstring name = getParam("name");
+ static docstring const backslash = from_ascii("\\");
+ static docstring const braces = from_ascii("{}");
+ static char_type const chars_url[2] = {'%', '#'};
+ static char_type const chars_name[6] = {
+ '&', '_', '$', '%', '#', '^'};
+
+ // For the case there is no name given, the target is set as name.
+ // Do this before !url.empty() and !name.empty() to handle characters
+ // like the "%" correctly.
+ if (name.empty())
+ name = url;
+
+ if (!url.empty()) {
+ // Replace the "\" character by its ASCII code according to the
+ // URL specifications because "\" is not allowed in URLs and by
+ // \href. Only do this when the following character is not also
+ // a "\", because "\\" is valid code
+ for (size_t i = 0, pos;
+ (pos = url.find('\\', i)) != string::npos;
+ i = pos + 2) {
+ if (url[pos + 1] != '\\')
+ url.replace(pos, 1, from_ascii("%5C"));
+ }
+
+ // The characters in chars_url[] need to be escaped in the url
+ // field because otherwise LaTeX will fail when the hyperlink is
+ // within an argument of another command, e.g. in a \footnote. It
+ // is important that they are escaped as "\#" and not as "\#{}".
+ for (int k = 0; k < 2; k++)
+ for (size_t i = 0, pos;
+ (pos = url.find(chars_url[k], i)) != string::npos;
+ i = pos + 2)
+ url.replace(pos, 1, backslash + chars_url[k]);
+
+ // add "http://" when the type is web (type = empty)
+ // and no "://" or "run:" is given
+ docstring type = getParam("type");
+ if (url.find(from_ascii("://")) == string::npos
+ && url.find(from_ascii("run:")) == string::npos
+ && type.empty())
+ url = from_ascii("http://") + url;
+
+ } // end if (!url.empty())
+
+ // The characters in chars_name[] need to be changed to a command when
+ // they are in the name field.
+ if (!name.empty()) {
+ // handle the "\" character, but only when the following character
+ // is not also a "\", because "\\" is valid code
+ docstring const textbackslash = from_ascii("\\textbackslash{}");
+ for (size_t i = 0, pos;
+ (pos = name.find('\\', i)) != string::npos;
+ i = pos + 2) {
+ if (name[pos + 1] != '\\')
+ name.replace(pos, 1, textbackslash);
+ }
+ // The characters in chars_name[] need to be changed to a command
+ // when they are in the name field.
+ // Therefore the treatment of "\" must be the first thing
+ for (int k = 0; k < 6; k++)
+ for (size_t i = 0, pos;
+ (pos = name.find(chars_name[k], i)) != string::npos;
+ i = pos + 2)
+ name.replace(pos, 1, backslash + chars_name[k] + braces);
+
+ // replace the tilde by the \sim character as suggested in the
+ // LaTeX FAQ for URLs
+ docstring const sim = from_ascii("$\\sim$");
+ for (size_t i = 0, pos;
+ (pos = name.find('~', i)) != string::npos;
+ i = pos + 1)
+ name.replace(pos, 1, sim);
+
+ } // end if (!name.empty())
+