Added --sort.

remwharead.1.adoc

@@ -39,6 +39,9 @@ Only export entries between _start_ and _end_. _start_ and _end_ are date and
 time representations according to ISO 8601. Time zones are ignored at the
 moment.
 
+*-S* _attribute_, *--sort* _attribute_::
+Sort by _time_, _tag_ or _both_ (default) when exporting to _asciidoc_.
+
 *-h*, *--help*::
 Show help message.
 
@@ -55,7 +58,7 @@ Print version, copyright and license.
 
 == FILES
 
-* *Database*: `${XDG_DATA_HOME}/remwharead.sqlite`
+* *Database*: `${XDG_DATA_HOME}/remwharead/database.sqlite`
 
 `${XDG_DATA_HOME}` is usually `~/.local/share`.
 

src/parse_options.cpp

@@ -37,6 +37,7 @@ const options parse_options(const int argc, const char *argv[])
     string format;
     string file;
     string span;
+    string sort;
     options opts;
 
     try
@@ -51,6 +52,8 @@ const options parse_options(const int argc, const char *argv[])
         op.add<popl::Value<string>>
             ("s", "span", "Only export entries between YYYY-MM-DD,YYYY-MM-DD.",
              "", &span);
+        op.add<popl::Value<string>>
+            ("S", "sort", "Sort by time, tag or both (default).", "", &sort);
         auto option_help = op.add<popl::Switch>
             ("h", "help", "Show this help message.");
         auto option_version = op.add<popl::Switch>
@@ -129,6 +132,27 @@ const options parse_options(const int argc, const char *argv[])
             }
         }
 
+        if (!sort.empty())
+        {
+            if (sort == "time")
+            {
+                opts.sort = sort_attribute::time;
+            }
+            else if (sort == "tag")
+            {
+                opts.sort = sort_attribute::tag;
+            }
+            else if (sort == "both")
+            {
+                opts.sort = sort_attribute::both;
+            }
+            else
+            {
+                cerr << "Error: --sort " << sort << " not understood.\n";
+                return options(1);
+            }
+        }
+
         if (op.non_option_args().size() > 0)
         {
             opts.url = op.non_option_args().front();

src/parse_options.hpp

@@ -37,12 +37,20 @@ enum class export_format
     asciidoc
 };
 
+enum class sort_attribute
+{
+    both,
+    time,
+    tag
+};
+
 typedef struct options
 {
     vector<string> tags;
     export_format format = export_format::undefined;
     string file;
     array<system_clock::time_point, 2> span;
+    sort_attribute sort = sort_attribute::both;
     string url;
     uint8_t status_code = 0;