add support for comments

7 files changed, 31 insertions, 1 deletions

diff --git a/Changelog b/Changelog
index 31ba0de..33056e3 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,12 @@
+0940cd0 2019-08-14 (KatolaZ) update manpage to include parallelogram
+a95019d 2019-08-14 (KatolaZ) add parallelogram mode
+257ec5d 2019-08-13 (KatolaZ) towards parallelograms
+39ec615 2019-08-12 (Quentin Rameau) Arrange makefile debug target
+3d5be35 2019-08-12 (KatolaZ) accept commands from stdin in script-mode
+0522ef6 2019-08-12 (KatolaZ) fix read of command scripts and script-mode
+a46183e 2019-08-11 (KatolaZ) replace cleanup() with exit() in usage()
+e4c527b 2019-08-09 (KatolaZ) check all mem allocations
+a6f10d6 2019-08-09 (KatolaZ) release 0.3
 1ad3249 2019-08-09 (KatolaZ) bump version to 0.3
 bc374cf 2019-08-09 (KatolaZ) update TODO
 0c0e806 2019-08-09 (KatolaZ) small change to manpage
diff --git a/TODO b/TODO
index 48e2395..1375028 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,4 @@
 + optimize redraws (redraw only the modified rectangle)
-- implement comment (#: ignore everything until the end of the line)
 - add screen geometry option (-g 25x80?)
 - (?)maybe move "text" mode to "t"
 - implement ellipse
@@ -14,6 +13,7 @@
 - allow scrolling (both vertical and horizontal)
 - catch SIGWINCH and react appropriately (after scrolling is 
   enabled)
+* implement comment (#: ignore everything until the end of the line)
 * implement parallelogram mode (z/Z)
 * fix bug in reading commands from files
 * fix bug in visual crop
diff --git a/draw.c b/draw.c
index c361acb..1c74a94 100644
--- a/draw.c
+++ b/draw.c
@@ -508,3 +508,12 @@ void redo_change(){
 	redraw();
 }
 
+
+/** Comments **/
+
+void get_comment(FILE *fc){
+	char c;
+	redraw();
+	while((c = fgetc(fc)) != EOF && c != '\n');	
+	mode = MOVE;
+}
diff --git a/gramscii.1 b/gramscii.1
index e9dd102..3370c24 100644
--- a/gramscii.1
+++ b/gramscii.1
@@ -144,6 +144,10 @@ prompted for a filename to save the screen to.
 Write the current screen to a new file. This commands acts like
 .B w
 but always prompts for a file name to use. 
+.TP 5m
+.BI #
+Start a comment. Discard all the characters until a newline is
+entered. Useful to include comments in scripts.
    
 .SS MOVEMENTS
 The following movement commands are available in any mode where cursor
diff --git a/gramscii.c b/gramscii.c
index 29b3f04..977a8cb 100644
--- a/gramscii.c
+++ b/gramscii.c
@@ -138,6 +138,10 @@ void commands(FILE *fc){
 					mode = PAR;
 					get_box(fc, BOX_PARR);
 					break;
+				case '#':
+					mode = REM;
+					get_comment(fc);
+					break;
 				case 'q':
 					check_modified(fc);/** FALLTHROUGH **/
 				case 'Q':
diff --git a/gramscii.h b/gramscii.h
index 6adea42..8aec939 100644
--- a/gramscii.h
+++ b/gramscii.h
@@ -19,6 +19,7 @@
 #define DEL    0x08
 #define VIS    0x10
 #define PAR    0x20
+#define REM    0x40
 /**/
 
 /* directions */
@@ -186,6 +187,7 @@ void visual_box(FILE *fc);
 void paste();
 void undo_change();
 void redo_change();
+void get_comment(FILE *fc);
 /**/
 
 /** file-related functions **/
diff --git a/screen.c b/screen.c
index 21289c1..28d2318 100644
--- a/screen.c
+++ b/screen.c
@@ -37,6 +37,8 @@ char* mode_str(){
 			return "vis";
 		case PAR:
 			return "par";
+		case REM:
+			return "rem";
 		default:
 			return "ERR";
 	}