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-rw-r--r--lib/librte_cmdline/cmdline_vt100.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/librte_cmdline/cmdline_vt100.c b/lib/librte_cmdline/cmdline_vt100.c
new file mode 100644
index 0000000..ebdc538
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+++ b/lib/librte_cmdline/cmdline_vt100.c
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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+/*
+ * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the University of California, Berkeley nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <termios.h>
+
+#include "cmdline_vt100.h"
+
+const char *cmdline_vt100_commands[] = {
+ vt100_up_arr,
+ vt100_down_arr,
+ vt100_right_arr,
+ vt100_left_arr,
+ "\177",
+ "\n",
+ "\001",
+ "\005",
+ "\013",
+ "\031",
+ "\003",
+ "\006",
+ "\002",
+ vt100_suppr,
+ vt100_tab,
+ "\004",
+ "\014",
+ "\r",
+ "\033\177",
+ vt100_word_left,
+ vt100_word_right,
+ "?",
+ "\027",
+ "\020",
+ "\016",
+ "\033\144",
+};
+
+void
+vt100_init(struct cmdline_vt100 *vt)
+{
+ vt->state = CMDLINE_VT100_INIT;
+}
+
+
+static int
+match_command(char *buf, unsigned int size)
+{
+ const char *cmd;
+ size_t cmdlen;
+ unsigned int i = 0;
+
+ for (i=0 ; i<sizeof(cmdline_vt100_commands)/sizeof(const char *) ; i++) {
+ cmd = *(cmdline_vt100_commands + i);
+
+ cmdlen = strnlen(cmd, CMDLINE_VT100_BUF_SIZE);
+ if (size == cmdlen &&
+ !strncmp(buf, cmd, cmdlen)) {
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+int
+vt100_parser(struct cmdline_vt100 *vt, char ch)
+{
+ unsigned int size;
+ uint8_t c = (uint8_t) ch;
+
+ if (vt->bufpos >= CMDLINE_VT100_BUF_SIZE) {
+ vt->state = CMDLINE_VT100_INIT;
+ vt->bufpos = 0;
+ }
+
+ vt->buf[vt->bufpos++] = c;
+ size = vt->bufpos;
+
+ switch (vt->state) {
+ case CMDLINE_VT100_INIT:
+ if (c == 033) {
+ vt->state = CMDLINE_VT100_ESCAPE;
+ }
+ else {
+ vt->bufpos = 0;
+ goto match_command;
+ }
+ break;
+
+ case CMDLINE_VT100_ESCAPE:
+ if (c == 0133) {
+ vt->state = CMDLINE_VT100_ESCAPE_CSI;
+ }
+ else if (c >= 060 && c <= 0177) { /* XXX 0177 ? */
+ vt->bufpos = 0;
+ vt->state = CMDLINE_VT100_INIT;
+ goto match_command;
+ }
+ break;
+
+ case CMDLINE_VT100_ESCAPE_CSI:
+ if (c >= 0100 && c <= 0176) {
+ vt->bufpos = 0;
+ vt->state = CMDLINE_VT100_INIT;
+ goto match_command;
+ }
+ break;
+
+ default:
+ vt->bufpos = 0;
+ break;
+ }
+
+ return -2;
+
+ match_command:
+ return match_command(vt->buf, size);
+}