From 6c54543539381a3d7c579c9c778b5b8c06d40919 Mon Sep 17 00:00:00 2001
From: tsteven4 <13596209+tsteven4@users.noreply.github.com>
Date: Tue, 14 Jun 2022 12:13:17 -0600
Subject: [PATCH] add option to transform filter to delete creation times
 (#882)

* add option to transform filter to delete creation times

* document grammar corrections.
---
 reference/filter1.txt                         |  1 +
 reference/help.txt                            |  1 +
 transform.cc                                  | 12 ++++++++++--
 transform.h                                   |  9 ++++++++-
 xmldoc/filters/options/transform-timeless.xml |  4 ++++
 5 files changed, 24 insertions(+), 3 deletions(-)
 create mode 100644 xmldoc/filters/options/transform-timeless.xml

diff --git a/reference/filter1.txt b/reference/filter1.txt
index 2b48ea54e..9520ab7d1 100644
--- a/reference/filter1.txt
+++ b/reference/filter1.txt
@@ -111,6 +111,7 @@ option	transform	trk	Transform waypoint(s) or route(s) into tracks(s) [W/R]	stri
 option	transform	rptdigits	Number of digits in generated names	integer		2		https://www.gpsbabel.org/WEB_DOC_DIR/filter_transform.html#fmt_transform_o_rptdigits
 option	transform	rptname	Use source name for route point names	boolean	N			https://www.gpsbabel.org/WEB_DOC_DIR/filter_transform.html#fmt_transform_o_rptname
 option	transform	del	Delete source data after transformation	boolean	N			https://www.gpsbabel.org/WEB_DOC_DIR/filter_transform.html#fmt_transform_o_del
+option	transform	timeless	Create transformed points without times	boolean	N			https://www.gpsbabel.org/WEB_DOC_DIR/filter_transform.html#fmt_transform_o_timeless
 validate	Validate internal data structures	https://www.gpsbabel.org/WEB_DOC_DIR/filter_validate.html
 option	validate	checkempty	Check for empty input	boolean	0			https://www.gpsbabel.org/WEB_DOC_DIR/filter_validate.html#fmt_validate_o_checkempty
 option	validate	debug	Output debug messages instead of possibly issuing a fatal error	boolean	0			https://www.gpsbabel.org/WEB_DOC_DIR/filter_validate.html#fmt_validate_o_debug
diff --git a/reference/help.txt b/reference/help.txt
index d3668a30a..046d1449d 100644
--- a/reference/help.txt
+++ b/reference/help.txt
@@ -584,6 +584,7 @@ Supported data filters:
 	  rptdigits             Number of digits in generated names 
 	  rptname               Use source name for route point names 
 	  del                   Delete source data after transformation 
+	  timeless              Create transformed points without times 
 	height                Manipulate altitudes                              
 	  add                   Adds a constant value to every altitude (meter, ap 
 	  wgs84tomsl            Converts WGS84 ellipsoidal height to orthometric h 
diff --git a/transform.cc b/transform.cc
index 93a78aece..62d131828 100644
--- a/transform.cc
+++ b/transform.cc
@@ -49,6 +49,9 @@ void TransformFilter::transform_waypoints()
   foreach (Waypoint* wpt, *global_waypoint_list) {
 
     wpt = new Waypoint(*wpt);
+    if (timeless) {
+      wpt->SetCreationTime(gpsbabel::DateTime());
+    }
     switch (current_target) {
     case 'R':
       route_add_wpt(rte, wpt, RPT, name_digits);
@@ -96,6 +99,9 @@ void TransformFilter::transform_trk_disp_hdr_cb(const route_head* trk)
 void TransformFilter::transform_any_disp_wpt_cb(const Waypoint* wpt)
 {
   auto* temp = new Waypoint(*wpt);
+  if (timeless) {
+    temp->SetCreationTime(gpsbabel::DateTime());
+  }
   if (current_target == 'R') {
     route_add_wpt(current_rte, temp, current_namepart, name_digits);
   } else if (current_target == 'T') {
@@ -127,9 +133,11 @@ void TransformFilter::transform_tracks()
 
 void TransformFilter::process()
 {
-  int delete_after = (opt_delete && (*opt_delete == '1')) ? 1 : 0;
+  timeless = opt_timeless && (*opt_timeless == '1');
+
+  bool delete_after = opt_delete && (*opt_delete == '1');
 
-  use_src_name = (opt_rpt_name && (*opt_rpt_name == '1')) ? 1 : 0;
+  use_src_name = opt_rpt_name && (*opt_rpt_name == '1');
 
   name_digits = 3;
   if (rpt_name_digits && *rpt_name_digits) {
diff --git a/transform.h b/transform.h
index 717d0f004..a4cc50559 100644
--- a/transform.h
+++ b/transform.h
@@ -46,9 +46,12 @@ private:
   route_head* current_rte{};
 
   char* opt_routes{}, *opt_tracks{}, *opt_waypts{}, *opt_delete{}, *rpt_name_digits{}, *opt_rpt_name{};
+  char* opt_timeless{};
+  bool timeless{};
+  bool use_src_name{};
   QString current_namepart;
 
-  int name_digits{}, use_src_name{};
+  int name_digits{};
 
   const QString RPT = "RPT";
 
@@ -77,6 +80,10 @@ private:
       "del", &opt_delete, "Delete source data after transformation", "N",
       ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
     },
+    {
+      "timeless", &opt_timeless, "Create transformed points without times", "N",
+      ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
+    }
   };
 
   void transform_waypoints();
diff --git a/xmldoc/filters/options/transform-timeless.xml b/xmldoc/filters/options/transform-timeless.xml
new file mode 100644
index 000000000..1af6b6af8
--- /dev/null
+++ b/xmldoc/filters/options/transform-timeless.xml
@@ -0,0 +1,4 @@
+<para>
+This option tells
+GPSBabel to create points without creation times instead of copying the creation time from the source points.
+</para>
-- 
2.30.2