Added AsciiDoc support.

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(remwharead
-  VERSION 0.0.1
+  VERSION 0.0.2
   LANGUAGES CXX
 )
 

README.adoc

@@ -1,8 +1,7 @@
 = remwharead
 
 [NOTE]
-This program is not usable at the moment. Most of the described functions are
-not yet available.
+Some of the described functions are not yet available.
 
 *remwharead* saves URLs of things you read in a database along with an URL to
  the archived version, the current date and time, title, description, the full

remwharead.1.adoc

@@ -66,6 +66,11 @@ commas. Line breaks in the full text are converted to "\n". Our CSV
 implementation follows RFC 4180 and the full MIME media type is
 `text/csv;charset=utf-8;header=present`.
 
+=== AsciiDoc
+
+AsciiDoc is a markup language that can be read as plain text or converted to
+HTML, PDF and many other formats.
+
 == FILES
 
 * *Database*: `${XDG_DATA_HOME}/remwharead/database.sqlite`

src/adoc.cpp

@@ -0,0 +1,135 @@
+/*  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 <map>
+#include <regex>
+#include <algorithm>
+#include <utility>
+#include <cstdint>
+#include <curlpp/cURLpp.hpp>
+#include "version.hpp"
+#include "time.hpp"
+#include "export.hpp"
+
+using std::cerr;
+using std::endl;
+using std::uint64_t;
+using std::regex;
+using std::regex_replace;
+using std::pair;
+
+void export_adoc(const vector<Database::entry> &entries, ostream &out)
+{
+    try
+    {
+        out << "= Visited things\n"
+            << ":Author: remwharead " << global::version << endl
+            << ":Date: " << timepoint_to_string(system_clock::now()) << endl
+            << ":toc: right" << endl
+            // << ":toc-title:" << endl
+            << endl;
+
+        std::map<string,uint64_t> alltags;
+        string day;
+        for (const Database::entry &entry : entries)
+        {
+            const string datetime = timepoint_to_string(entry.datetime);
+            const string newday = datetime.substr(0, datetime.find('T'));
+            const string time = datetime.substr(datetime.find('T') + 1);
+            if (newday != day)
+            {
+                day = newday;
+                out << "== " << day << endl << endl;
+            }
+            out << ".link:" << entry.uri;
+            if (!entry.title.empty())
+            {
+                out << '[' << entry.title << ']';
+            }
+            else
+            {
+                out << "[]";
+            }
+            out << endl;
+            out << '_' << time << '_';
+            for (const string &tag : entry.tags)
+            {
+                if (tag.empty())
+                {
+                    continue;
+                }
+
+                auto globaltag = alltags.find(tag);
+                if (globaltag != alltags.end())
+                {
+                    ++(globaltag->second);
+                }
+                else
+                {
+                    alltags.insert({ tag, 1 });
+                }
+
+                out << " xref:" << replace_spaces(tag) << '[' << tag << ']';
+                if (tag != *(entry.tags.rbegin()))
+                {
+                    out << ',';
+                }
+            }
+            out << endl;
+            if (!entry.archive_uri.empty())
+            {
+                out << " (" << entry.archive_uri << "[archived version])\n";
+            }
+            out << endl;
+            if (!entry.description.empty())
+            {
+                out << entry.description << endl << endl;
+            }
+        }
+
+        if (!alltags.empty())
+        {
+            out << "== Tags\n\n";
+            vector<pair<string,uint64_t>> sortedtags(alltags.size());
+            std::move(alltags.begin(), alltags.end(), sortedtags.begin());
+            std::sort(sortedtags.begin(), sortedtags.end(),
+                      [](const pair<string,uint64_t> &a, pair<string,uint64_t> &b)
+                      {
+                          return a.second > b.second;
+                      });
+
+            for (const auto &tag : sortedtags)
+            {
+                out << "[[" << replace_spaces(tag.first) << "]]" << tag.first
+                    << "(" << tag.second << ")";
+                if (tag != *(sortedtags.rbegin()))
+                {
+                    out << ", ";
+                }
+            }
+            out << endl;
+        }
+    }
+    catch (std::exception &e)
+    {
+        cerr << "Error in " << __func__ << ": " << e.what() << endl;
+    }
+}
+
+const string replace_spaces(const string &text)
+{
+    return regex_replace(text, regex(" "), "-");
+}

src/csv.cpp

@@ -14,10 +14,9 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <iostream>
 #include <regex>
 #include "time.hpp"
-#include "csv.hpp"
+#include "export.hpp"
 
 using std::cerr;
 using std::endl;

src/export.hpp

@@ -14,8 +14,8 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef REMWHAREAD_CSV_HPP
-#define REMWHAREAD_CSV_HPP
+#ifndef REMWHAREAD_EXPORT_HPP
+#define REMWHAREAD_EXPORT_HPP
 
 #include <vector>
 #include <iostream>
@@ -26,6 +26,11 @@ using std::ostream;
 using std::cout;
 
 void export_csv(const vector<Database::entry> &entries, ostream &out = cout);
+//! replaces " with "".
 const string quote_csv(const string &field);
 
-#endif  // REMWHAREAD_CSV_HPP
+void export_adoc(const vector<Database::entry> &entries, ostream &out = cout);
+//! Replaces spaces with -.
+const string replace_spaces(const string &text);
+
+#endif  // REMWHAREAD_EXPORT_HPP

src/main.cpp

@@ -17,10 +17,12 @@
 #include <iostream>
 #include <string>
 #include <chrono>
+#include <fstream>
+#include <memory>
 #include "sqlite.hpp"
 #include "parse_options.hpp"
-#include "csv.hpp"
 #include "uri.hpp"
+#include "export.hpp"
 
 using std::cout;
 using std::cerr;
@@ -52,16 +54,42 @@ int main(const int argc, const char *argv[])
                   page.title, page.description, page.fulltext});
     }
 
+    std::ofstream file;
+    if (!opts.file.empty())
+    {
+        file.open(opts.file);
+        if (!file.good())
+        {
+            cerr << "Error: Could not open file: " << opts.file << endl;
+            return 3;
+        }
+    }
     switch (opts.format)
     {
     case export_format::csv:
     {
-        export_csv(db.retrieve(opts.span[0], opts.span[1]));
+        if (file.is_open())
+        {
+            export_csv(db.retrieve(opts.span[0], opts.span[1]), file);
+            file.close();
+        }
+        else
+        {
+            export_csv(db.retrieve(opts.span[0], opts.span[1]));
+        }
         break;
     }
     case export_format::asciidoc:
     {
-        cerr << "Error: AsciiDoc is not yet supported.\n";
+        if (file.is_open())
+        {
+            export_adoc(db.retrieve(opts.span[0], opts.span[1]), file);
+            file.close();
+        }
+        else
+        {
+            export_adoc(db.retrieve(opts.span[0], opts.span[1]));
+        }
         break;
     }
     default:

src/parse_options.cpp

@@ -99,7 +99,7 @@ const options parse_options(const int argc, const char *argv[])
             {
                 opts.format = export_format::csv;
             }
-            else if (format == "asciidoc")
+            else if (format == "asciidoc" || format == "adoc")
             {
                 opts.format = export_format::asciidoc;
             }