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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2009 Red Hat, Inc.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-->
<!-- use this file with xsltproc evtest-replace.xml <input.xml>
where <input.xml> is the xml file generated by evtest-capture.
-->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text" indent="yes" encoding="UTF-8"/>
<xsl:template match="/evtest-capture">
<![CDATA[
/*
Copyright (c) 2009 Red Hat, Inc.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/input.h>
#include <linux/uinput.h>
#include <dlfcn.h>
static int fd = -1;
static void send_event(int fd, int type, int code, int value, int sec, int usec);
static int setup(struct uinput_user_dev *dev, int fd)
{
]]>
<xsl:apply-templates select="info/id"/>
<xsl:apply-templates select="info/event-type"/>
<![CDATA[
return 0;
error:
perror("ioctl failed.");
return -1;
}
static int run(int fd)
{
]]>
<xsl:apply-templates select="events"/>
<![CDATA[
return 0;
}
static int init_uinput()
{
struct uinput_user_dev dev;
fd = open("/dev/input/uinput", O_RDWR);
if (fd < 0)
goto error;
memset(&dev, 0, sizeof(dev));
setup(&dev, fd);
if (write(fd, &dev, sizeof(dev)) < sizeof(dev))
goto error;
if (ioctl(fd, UI_DEV_CREATE, NULL) == -1) goto error;
return 0;
error:
fprintf(stderr, "Error: %s\n", strerror(errno));
if (fd != -1)
close(fd);
return -1;
}
static void cleanup_uinput(void)
{
if (fd == -1)
return;
ioctl(fd, UI_DEV_DESTROY, NULL);
close(fd);
fd = -1;
}
static void send_event(int fd, int type, int code, int value, int sec, int usec)
{
static int sec_offset = -1;
static long last_time = -1;
long newtime;
struct input_event event;
event.type = type;
event.code = code;
event.value = value;
if (sec_offset == -1)
sec_offset = sec;
sec -= sec_offset;
newtime = sec * 1000000 + usec;
if (last_time > 0)
usleep(newtime - last_time);
if (write(fd, &event, sizeof(event)) < sizeof(event))
perror("Send event failed.");
last_time = newtime;
}
int main (int argc, char **argv)
{
if (init_uinput() < 0) {
fprintf(stderr,
"Failed to initialize /dev/input/uinput. Exiting.\n");
return -1;
}
printf("Device created. Press CTRL+C to terminate.\n");
run(fd);
cleanup_uinput();
return 0;
}
]]>
</xsl:template>
<!-- Setup the required uinput bits to make the device look real
The funky comments at the start of the lines are just to improve
the output indenting.
-->
<xsl:template match="event-type">
if (ioctl(fd, UI_SET_EVBIT, <xsl:value-of select="@type"/>) == -1) goto error;
<!-- --><xsl:for-each select="code">
<xsl:choose>
<xsl:when test="../@type = 'EV_KEY'">
if (ioctl(fd, UI_SET_KEYBIT, <xsl:value-of select="@value"/>) == -1) goto error;
<!-- --></xsl:when>
<xsl:when test="../@type = 'EV_REL'">
if (ioctl(fd, UI_SET_RELBIT, <xsl:value-of select="@value"/>) == -1) goto error;
<!-- --></xsl:when>
<xsl:when test="../@type = 'EV_MSC'">
if (ioctl(fd, UI_SET_MSCBIT, <xsl:value-of select="@value"/>) == -1) goto error;
<!-- --></xsl:when>
<xsl:when test="../@type = 'EV_ABS'">
if (ioctl(fd, UI_SET_ABSBIT, <xsl:value-of select="@value"/>) == -1) goto error;
else {
int idx = <xsl:value-of select="@value"/>;
dev->absmin[idx] = <xsl:value-of select="@abs-min"/>;
dev->absmax[idx] = <xsl:value-of select="@abs-max"/>;
dev->absfuzz[idx] = <xsl:value-of select="@abs-fuzz"/>;
dev->absflat[idx] = <xsl:value-of select="@abs-flat"/>;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
<!-- --></xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:template>
<xsl:template match="id">
strcpy(dev->name, "<xsl:value-of select="."/>");
dev->id.bustype = <xsl:value-of select="@bus"/>;
dev->id.vendor = <xsl:value-of select="@vendor"/>;
dev->id.product = <xsl:value-of select="@product"/>;
dev->id.version = <xsl:value-of select="@version"/>;
</xsl:template>
<!-- code replaying the events -->
<xsl:template match="events">
<xsl:for-each select="event">
send_event(fd, <xsl:value-of select="@type"/>, <xsl:value-of select="@code"/>, <xsl:value-of select="@value"/>, <xsl:value-of select="@sec"/>, <xsl:value-of select="@usec"/>);</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
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