Added bookmark export.

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(remwharead
-  VERSION 0.3.2
+  VERSION 0.4.0
   LANGUAGES CXX
 )
 

remwharead.1.adoc

@@ -2,7 +2,7 @@
 :doctype:       manpage
 :Author:        tastytea
 :Email:         tastytea@tastytea.de
-:Date:          2019-05-19
+:Date:          2019-05-26
 :Revision:      0.0.0
 :man source:    remwharead
 :man manual:    General Commands Manual
@@ -35,7 +35,8 @@ https://archive.org/[Internet Archive].
 Add tags to _URI_, delimited by commas.
 
 *-e* _format_, *--export* _format_::
-Export to _format_. Possible values are _csv_ and _asciidoc_. See _FORMATS_.
+Export to _format_. Possible values are _csv_, _asciidoc_ and _bookmarks_. See
+_FORMATS_.
 
 *-f* _file_, *--file* _file_::
 Save output to _file_. Default is stdout.
@@ -99,6 +100,13 @@ implementation follows RFC 4180 and the full MIME media type is
 AsciiDoc is a markup language that can be read as plain text or converted to
 HTML, PDF and many other formats.
 
+=== bookmarks
+
+The
+https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/aa753582(v=vs.85)[Netscape
+Bookmark file format] is a format for exporting and importing bookmarks that is
+understood by most browsers.
+
 == SEARCH EXPRESSIONS
 
 A search expression is either a single term, or several terms separated by _AND_

src/bookmarks.cpp

@@ -0,0 +1,52 @@
+/*  This file is part of remwharead.
+ *  Copyright © 2019 tastytea <tastytea@tastytea.de>
+ *
+ *  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, version 3.
+ *
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <chrono>
+#include "export.hpp"
+
+using std::chrono::system_clock;
+using std::chrono::duration_cast;
+using std::chrono::seconds;
+
+void export_bookmarks(const vector<Database::entry> &entries, ostream &out)
+{
+    out << "<!DOCTYPE NETSCAPE-Bookmark-file-1>\n"
+        "<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; "
+        "charset=UTF-8\">\n"
+        "<TITLE>Bookmarks from remwharead</TITLE>\n"
+        "<H1>Bookmarks from remwharead<H1>\n\n"
+        "<DL><p>\n"
+        "<DT><H3>remwharead</H3>\n"
+        "<DL><p>\n";
+        for (const Database::entry & entry : entries)
+        {
+            string title = entry.title;
+            if (title.empty())
+            {
+                title = entry.uri;
+            }
+            system_clock::time_point tp = entry.datetime;
+            system_clock::duration duration = tp.time_since_epoch();
+            string time_seconds =
+                std::to_string(duration_cast<seconds>(duration).count());
+
+            out << "<DT><A HREF=\"" << entry.uri << "\" "
+                << "ADD_DATE=\"" << time_seconds << "\">"
+                << title << "</A>\n";
+        }
+        out << "</DL><p>\n"
+            << "</DL><p>\n";
+}

src/export.hpp

@@ -33,4 +33,8 @@ void export_adoc(const vector<Database::entry> &entries, ostream &out = cout);
 //! Replaces characters in tags that asciidoctor doesn't like.
 const string replace_in_tags(string text);
 
+
+//! Export as Netscape bookmark file.
+void export_bookmarks(const vector<Database::entry> &entries,
+                      ostream &out = cout);
 #endif  // REMWHAREAD_EXPORT_HPP

src/main.cpp

@@ -23,6 +23,7 @@
 #include "sqlite.hpp"
 #include "parse_options.hpp"
 #include "uri.hpp"
+#include "types.hpp"
 #include "export.hpp"
 #include "search.hpp"
 
@@ -119,6 +120,19 @@ int main(const int argc, const char *argv[])
             }
             break;
         }
+        case export_format::bookmarks:
+        {
+            if (file.is_open())
+            {
+                export_bookmarks(entries, file);
+                file.close();
+            }
+            else
+            {
+                export_bookmarks(entries);
+            }
+            break;
+        }
         default:
         {
             break;

src/parse_options.cpp

@@ -123,10 +123,15 @@ const options parse_options(const int argc, const char *argv[])
             {
                 opts.format = export_format::asciidoc;
             }
+            else if (format == "bookmarks")
+            {
+                opts.format = export_format::bookmarks;
+            }
             else
             {
                 opts.format = export_format::undefined;
-                cerr << "Error: Export format must be csv or asciidoc.\n";
+                cerr << "Error: Export format must be "
+                     << "csv, asciidoc or bookmarks.\n";
                 return options(1);
             }
         }

src/types.hpp

@@ -21,7 +21,8 @@ enum class export_format
 {
     undefined,
     csv,
-    asciidoc
+    asciidoc,
+    bookmarks
 };
 
 #endif  // REMWHAREAD_TYPES_HPP