Feature #1061

- Added Feature #1061, which allows the 'columns' command to use a search
  string for the column name (thanks to Uli Martens).

AUTHORS

@@ -11,6 +11,7 @@ contributions of the following people:
   Wim Schuermann     (Contributing Author)
   Owen Clarke        (Contributing Author)
   Louis-Claude Canon (Contributing Author)
+  Scott Kostyshak    (Contributing Author)
 
 The following submitted code, packages or analysis, and deserve special thanks:
 
@@ -74,7 +75,6 @@ The following submitted code, packages or analysis, and deserve special thanks:
   Oleksii Tsai
   Jörg Plate
   Markus Kuhn
-  Scott Kostyshak
   Erik Wenzel
   Štěpán Henek
   Fidel Mato

ChangeLog

@@ -7,6 +7,8 @@ Features
    (thanks to Michelle Crane).
  + Added Feature #953, which includes the total number of blocked and blocking
    tasks to the 'statistics' command output (thanks to T. Charles Yun).
+ + Added Feature #1061, which allows the 'columns' command to use a search
+   string for the column name (thanks to Uli Martens).
  + Added Feature #1069, which gives a clearer error when a UDA
    is added without the uda.<uda-name>.type variable.
  + Added Feature #1124, which provides a '_show' command that displays all

NEWS

@@ -8,6 +8,7 @@ New Features in taskwarrior 2.2.0
   - Tasks now have a 'modified' attribute, which indicates the last time, if at
     all, that they were modified.
   - Statistics now report total number of blocked and blocking tasks.
+  - The 'columns' command now supports search term for the column name.
 
 New commands in taskwarrior 2.2.0
 

doc/man/task.1.in

@@ -155,9 +155,10 @@ Displays all possible colors, a named sample, or a legend containing all
 currently defined colors.
 
 .TP
-.B task columns
+.B task columns [substring]
 Displays all supported columns and formatting styles.  Useful when creating
-custom reports.
+custom reports.  If a substring is provided, only matching column names are
+shown.
 
 .TP
 .B task <filter> completed

src/commands/CmdColumns.cpp

@@ -42,7 +42,7 @@ extern Context context;
 CmdColumns::CmdColumns ()
 {
   _keyword     = "columns";
-  _usage       = "task          columns";
+  _usage       = "task          columns [substring]";
   _description = STRING_CMD_COLUMNS_USAGE;
   _read_only   = true;
   _displays_id = false;
@@ -51,6 +51,12 @@ CmdColumns::CmdColumns ()
 ////////////////////////////////////////////////////////////////////////////////
 int CmdColumns::execute (std::string& output)
 {
+  // Obtain the arguments from the description.  That way, things like '--'
+  // have already been handled.
+  std::vector <std::string> words = context.a3.extract_words ();
+  if (words.size () > 1)
+    throw std::string (STRING_CMD_COLUMNS_ARGS);
+
   // Include all columns in the table.
   std::vector <std::string> names;
   std::map <std::string, Column*>::const_iterator col;
@@ -72,6 +78,9 @@ int CmdColumns::execute (std::string& output)
 
   std::vector <std::string>::iterator name;
   for (name = names.begin (); name != names.end (); ++name)
+  {
+    if (words.size () == 0 ||
+        find (*name, words[0], false) != std::string::npos)
     {
       const std::vector <std::string> styles   = context.columns[*name]->styles ();
       const std::vector <std::string> examples = context.columns[*name]->examples ();
@@ -84,6 +93,7 @@ int CmdColumns::execute (std::string& output)
         formats.set (row, 2, i < examples.size () ? examples[i] : "");
       }
     }
+  }
 
   output = optionalBlankLine ()
          + formats.render ()

src/en-US.h

@@ -388,6 +388,7 @@
 #define STRING_CMD_COLUMNS_USAGE     "All supported columns and formatting styles"
 #define STRING_CMD_COLUMNS_NOTE      "* Means default format, and therefore optional.  For example, 'due' and 'due.formatted' are equivalent."
 #define STRING_CMD_COLUMNS_USAGE2    "Displays only a list of supported columns"
+#define STRING_CMD_COLUMNS_ARGS      "You can only specify one search string."
 
 #define STRING_CMD_DENO_USAGE        "Deletes an annotation"
 #define STRING_CMD_DENO_WORDS        "An annotation pattern must be provided."

src/es-ES.h

@@ -398,8 +398,8 @@
 
 #define STRING_CMD_COLUMNS_USAGE     "Todas las columnas y estilos de formato soportados"
 #define STRING_CMD_COLUMNS_NOTE      "* Significa formato por defecto, y por lo tanto opcional. Por ejemplo 'due' y 'due.formatted' son equivalentes."
-
 #define STRING_CMD_COLUMNS_USAGE2    "Muestra una lista de columnas (solo nombres) soportadas"
+#define STRING_CMD_COLUMNS_ARGS      "Solo puede especificar un término de búsqueda."
 
 #define STRING_CMD_DENO_USAGE        "Elimina una anotación"
 #define STRING_CMD_DENO_WORDS        "Se debe proporcionar un patrón de anotación."

test/feature.1061.t

@@ -0,0 +1,64 @@
+#! /usr/bin/env perl
+################################################################################
+## taskwarrior - a command line task list manager.
+##
+## Copyright 2006-2012, Paul Beckingham, Federico Hernandez.
+##
+## Permission is hereby granted, free of charge, to any person obtaining a copy
+## of this software and associated documentation files (the "Software"), to deal
+## in the Software without restriction, including without limitation the rights
+## to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+## copies of the Software, and to permit persons to whom the Software is
+## furnished to do so, subject to the following conditions:
+##
+## The above copyright notice and this permission notice shall be included
+## in all copies or substantial portions of the Software.
+##
+## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+## OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+## THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+## SOFTWARE.
+##
+## http://www.opensource.org/licenses/mit-license.php
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 8;
+
+# Create the rc file.
+if (open my $fh, '>', 'bug.rc')
+{
+  print $fh "data.location=.\n",
+            "color=off\n";
+  close $fh;
+  ok (-r 'bug.rc', 'Created bug.rc');
+}
+
+# Test:  task columns
+#        task columns descr
+my $output = qx{../src/task rc:bug.rc columns 2>/dev/null};
+like ($output, qr/description/, 'columns - found description');
+like ($output, qr/uuid/,        'columns - found uuid');
+like ($output, qr/project/,     'columns - found project');
+
+$output = qx{../src/task rc:bug.rc columns escr 2>/dev/null};
+like   ($output, qr/description/, 'columns - found \'escr\' in description');
+unlike ($output, qr/uuid/,        'columns - did not find \'escr\' in uuid');
+unlike ($output, qr/project/,     'columns - did not find \'escr\' in project');
+
+# Cleanup.
+unlink qw(pending.data completed.data undo.data backlog.data synch.key bug.rc);
+ok (! -r 'pending.data'   &&
+    ! -r 'completed.data' &&
+    ! -r 'undo.data'      &&
+    ! -r 'backlog.data'   &&
+    ! -r 'synch.key'      &&
+    ! -r 'bug.rc', 'Cleanup');
+
+exit 0;
+