Initial commit

engines/glk/tads/os_buffer.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "glk/tads/os_buffer.h"
+#include "glk/tads/os_parse.h"
+#include "glk/tads/tads.h"
+
+namespace Glk {
+namespace TADS {
+
+extern winid_t mainwin;
+
+#ifndef GLK_MODULE_UNICODE
+
+void os_put_buffer(const char *buf, size_t len) {
+	g_vm->glk_put_buffer(buf, len);
+}
+
+void os_get_buffer (char *buf, size_t len, size_t init)
+{
+	g_vm->glk_request_line_event(mainwin, buf, len - 1, init);
+}
+
+char *os_fill_buffer(char *buf, size_t len)
+{
+	buf[len] = '\0';
+	return buf;
+}
+
+#else
+
+static uint32 *input = nullptr;
+static uint max = 0;
+
+void os_put_buffer(const char *buf, size_t len) {
+	uint32 *out;
+	uint outlen;
+
+	if (!len)
+		return;
+
+	out = new uint32[len + 1];
+	if (!out)
+		return;
+	outlen = len;
+
+	outlen = os_parse_chars((const unsigned char *)buf, len, out, outlen);
+
+	if (outlen)
+		g_vm->glk_put_buffer_uni(out, outlen);
+	else
+		g_vm->glk_put_buffer(buf, len);
+
+	delete[] out;
+}
+
+void os_get_buffer(char *buf, size_t len, size_t init) {
+	input = (uint32 *)malloc(sizeof(uint) * (len + 1));
+	max = len;
+
+	if (init)
+		os_parse_chars((const unsigned char *)buf, init + 1, input, len);
+
+	g_vm->glk_request_line_event_uni(mainwin, input, len - 1, init);
+}
+
+char *os_fill_buffer(char *buf, size_t len) {
+	uint res = os_prepare_chars(input, len, (unsigned char *)buf, max);
+	buf[res] = '\0';
+
+	free(input);
+	input = nullptr;
+	max = 0;
+
+	return buf;
+}
+
+#endif /* GLK_MODULE_UNICODE */
+
+} // End of namespace TADS
+} // End of namespace Glk