reorganise code

1 files changed, 73 insertions, 0 deletions

diff --git a/files.c b/files.c
new file mode 100644
index 0000000..811a9bc
--- /dev/null
+++ b/files.c
@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <string.h>
+#include "gramscii.h"
+
+
+/*** File management ***/
+
+void write_file(FILE *fc){
+	FILE *fout;
+	int i;
+
+	if (!fname[0] || force_new){
+		get_string(fc, "Write to: ", fname, 255);
+		if ((fout=fopen(fname, "r"))!=NULL){
+			if (!is_yes(get_key(fc,"File exists. Overwrite [y/n]?")) ){
+				fclose(fout);
+				return;
+			}
+			fclose(fout);
+		}
+	}
+	if((fout=fopen(fname, "w"))==NULL){
+		get_key(fc, "Error opening file.");
+		return;
+	}
+	for (i=0; i<HEIGHT; i++){
+		fprintf(fout, "%s\n", screen[i].s);
+	}
+	fclose(fout);
+	modified = 0;
+	get_key(fc, "File saved.");
+}
+
+void check_modified(FILE *fc){
+
+	if (modified){
+		if (!is_yes(get_key(fc, "Unsaved changes. Write to file [y/n]?")) ){
+			return;
+		}
+		write_file(fc);
+	}
+}
+
+void load_file(FILE *fc){
+
+	char newfname[256];
+	FILE *fin;
+	int i;
+
+	get_string(fc, "Load file: ", newfname, 255);
+	if ((fin=fopen(newfname, "r")) != NULL){
+		i = 0;
+		while((fgets(screen[i].s, WIDTH+2, fin)) != NULL && i<HEIGHT)
+			screen[i++].s[WIDTH-1]='\0';
+		for(;i<HEIGHT; i++){
+			erase_line(screen[i].s);
+		}
+		fclose(fin);
+	}
+	strcpy(fname, newfname);
+	modified=0;
+	redraw();
+}
+
+void new_file(FILE *fc){
+	check_modified(fc);
+	erase_screen();
+	go_to(HOME);
+	redraw();
+	fname[0] = '\0';
+	modified=0;
+}
+