Add min and max date support

src/Config.h

@@ -1,6 +1,7 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+#include <DateTime.h>
 #include <String.h>
 #include <StorageKit.h>
 
@@ -12,6 +13,9 @@ public:
 	BString outDir;
 	BList targetFeeds; // file or url
 
+	BDateTime minDate;
+	BDateTime maxDate;
+
 	Config ( );
 };
 

src/Pogger.cpp

@@ -5,6 +5,7 @@
 #include "Item.h"
 #include "parsing.h"
 #include "Config.h"
+#include "Util.h"
 #include "Pogger.h"
 
 #include <StorageKit.h>
@@ -36,7 +37,9 @@ int
 invocation ( int argc, char** argv, Config** cfgPtr )
 {
 	Config* cfg = *(cfgPtr);
-	bool suicide = false;
+	BDateTime maxDate;
+	BDateTime minDate;
+
 	static struct option sLongOptions[] = {
 		{ "help", no_argument, 0, 'h' },
 		{ "verbose", no_argument, 0, 'v' },
@@ -48,7 +51,7 @@ invocation ( int argc, char** argv, Config** cfgPtr )
 
 	while (true) {
 		opterr = 0;
-		int c = getopt_long(argc, argv, "+hvDm:O:", sLongOptions, NULL);
+		int c = getopt_long(argc, argv, "+hvDm:O:T:t:", sLongOptions, NULL);
 
 		switch (c) {
 			case -1:
@@ -57,10 +60,28 @@ invocation ( int argc, char** argv, Config** cfgPtr )
 			case 'h':
 				return usage();
 			case 'm':
-				cfg->mimetype = BString(optarg);
+				cfg->mimetype = BString( optarg );
+				break;
+			case 't':
+				minDate = dateRfc3339ToBDate( optarg );
+				if ( minDate != NULL ) 
+					cfg->minDate = minDate;
+				else {
+					fprintf(stderr, "Invalid date format for `-%c'.\n", optopt);
+					return 2;
+				}
+				break;
+			case 'T':
+				maxDate = dateRfc3339ToBDate( optarg );
+				if ( maxDate != NULL ) 
+					cfg->maxDate = maxDate;
+				else {
+					fprintf(stderr, "Invalid date format for `-%c'.\n", optopt);
+					return 2;
+				}
 				break;
 			case 'O':
-				cfg->outDir = BString(optarg);
+				cfg->outDir = BString( optarg );
 				break;
 			case 'v':
 				cfg->verbose = true;
@@ -70,10 +91,10 @@ invocation ( int argc, char** argv, Config** cfgPtr )
 				break;
 			case '?':
 				if ( optopt == 'O' || optopt == 'm' )
-					fprintf( stderr, "Option `-%c` requires an argument.\n\n",
+					fprintf( stderr, "Option `-%c` requires an argument.\n",
 					         optopt );
 				else
-					fprintf( stderr, "Unknown option `-%c`.\n\n", optopt );
+					fprintf( stderr, "Unknown option `-%c`.\n", optopt );
 				return 2;
 		}
 	}

src/Pogger.h

@@ -38,13 +38,11 @@ BString usageMsg =
 	"\n"
 	"Both -t and -T use the ISO 8601 format for specifying datetimes:\n"
 	"      YYYY-MM-DDTHH:MM:SS - 2020-01-01T07:07:07\n"
-	"You can leave out seconds, minutes, or hours, but YMD are required.\n"
 	"\n"
 	"NOTE: This message doesn't reflect reality. This is more of a spec of\n"
-	"      what I hope this program will be. As of now -t and -T aren't\n"
-	"      implemented, and running %app% without a file/url free-argument\n"
-	"      is invalid, as the daemon isn't implemented at all. As such,\n"
-	"      -D is also non-functional.\n"
+	"      what I hope this program will be. As of now, running %app%\n"
+	"      without a file/url free-argument is invalid, as the daemon\n"
+	"      isn't implemented at all. As such, -D is also non-functional.\n"
 	"      But it sure can turn an XML feed into files! Lol.\n"
 ;
 

src/Util.cpp

@@ -58,6 +58,20 @@ dateTo3339String ( BDateTime dt )
 
 // ----------------------------------------------------------------------------
 
+bool
+withinDateRange ( BDateTime minDate, BDateTime nowDate, BDateTime maxDate )
+{
+	if ( minDate != NULL && nowDate != NULL  && maxDate != NULL )
+		return ( minDate < nowDate && nowDate < maxDate );
+	if ( minDate != NULL && nowDate != NULL )
+		return ( minDate < nowDate );
+	if ( maxDate != NULL && nowDate != NULL )
+		return ( nowDate < maxDate );
+	return true;
+}
+
+// ----------------------------------------------------------------------------
+
 int32
 webFetch ( char* strUrl, BDataIO* reply )
 {

src/Util.h

@@ -12,6 +12,7 @@ BDateTime stringDateToBDate	( const char*, const char* );
 
 BString dateTo3339String	( BDateTime );
 
+bool withinDateRange ( BDateTime, BDateTime, BDateTime );
 
 int32 webFetch	( BUrl,  BDataIO* );
 int32 webFetch	( char*, BDataIO* );

src/parsing.cpp

@@ -3,6 +3,7 @@
 #include <tinyxml2.h>
 #include "Channel.h"
 #include "Item.h"
+#include "Util.h"
 #include "parsing.h"
 
 
@@ -65,7 +66,8 @@ rssItemParse ( Channel** chanPtr, Config* cfg, tinyxml2::XMLElement* xitem )
 	if (cfg->verbose )
 		printf("\t%s\n", newItem->title.String());
 
-	chan->items.AddItem( newItem );
+	if ( withinDateRange( cfg->minDate, newItem->pubDate, cfg->maxDate ) )
+		chan->items.AddItem( newItem );
 }
 
 void
@@ -159,7 +161,8 @@ atomEntryParse ( Channel** chanPtr, Config* cfg, tinyxml2::XMLElement* xentry )
 	if ( cfg->verbose )
 		printf("\t%s\n", newItem->title.String());
 
-	chan->items.AddItem( newItem );
+	if ( withinDateRange( cfg->minDate, newItem->pubDate, cfg->maxDate ) )
+		chan->items.AddItem( newItem );
 }
 
 void