X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_cmdline%2Fcmdline_vt100.c;fp=lib%2Flibrte_cmdline%2Fcmdline_vt100.c;h=a253e8b6c5dfbcb2aeb623b639aad1a4c3752c55;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git

diff --git a/lib/librte_cmdline/cmdline_vt100.c b/lib/librte_cmdline/cmdline_vt100.c
new file mode 100644
index 00000000..a253e8b6
--- /dev/null
+++ b/lib/librte_cmdline/cmdline_vt100.c
@@ -0,0 +1,185 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 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.
+ */
+
+/*
+ * 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)
+{
+	if (!vt)
+		return;
+	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)
+		return -1;
+
+	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);
+}