1 files changed, 63 insertions, 0 deletions
diff --git a/src/io.c b/src/io.c
new file mode 100644
index 0000000..3f35607
--- /dev/null
+++ b/src/io.c
@@ -0,0 +1,63 @@
+/* geml - General extendable macro language
+ *   io.c Hadndles input and output for parser
+ *
+ * Copyright (C) 2016 Karel Kočí
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#include "io.h"
+
+FILE *outf;
+const char *outf_name;
+
+FILE *inf;
+const char *inf_name;
+
+void io_init(void) {
+	outf = stdout;
+	outf_name = "stdout";
+	inf = stdin;
+	inf_name = "stdin";
+}
+
+bool set_output(const char *file) {
+    FILE *f;
+    f = fopen(file, "w");
+    if (f == NULL) {
+		ERROR("Output file \"%s\" couldn't be opened: %s", file,
+				strerror(errno));
+		return false;
+	}
+    if (outf != stdout)
+        fclose(outf);
+    outf = f;
+    outf_name = file;
+	return true;
+}
+
+bool set_input(const char *file) {
+    FILE *f;
+    f = fopen(file, "r");
+    if (f == NULL) {
+		ERROR("Input file \"%s\" couldn't be opened: %s", file,
+				strerror(errno));
+		return false;
+	}
+    if (inf != stdin)
+        fclose(inf);
+    inf = f;
+    inf_name = file;
+	return true;
+}