3 files changed, 97 insertions, 9 deletions

diff --git a/src/device/axis/axis.c b/src/device/axis/axis.c
index 75afad8..2659c84 100644
--- a/src/device/axis/axis.c
+++ b/src/device/axis/axis.c
@@ -1,6 +1,9 @@
 /**** POSIX *******************************************************************/
 #include <string.h>
 
+/**** LIBEVDEV ****************************************************************/
+#include <libevdev/libevdev.h>
+
 /**** RELABSD *****************************************************************/
 #include <relabsd/device/axis.h>
 
@@ -21,7 +24,7 @@ void relabsd_axis_initialize
 
 void relabsd_axis_to_absinfo
 (
-   struct relabsd_axis axis [const restrict static 1]
+   struct relabsd_axis axis [const restrict static 1],
    struct input_absinfo absinfo [const restrict static 1]
 )
 {
@@ -32,3 +35,13 @@ void relabsd_axis_to_absinfo
    absinfo->flat = (__s32) axis->flat;
    absinfo->resolution = (__s32) axis->resolution;
 }
+
+void relabsd_axis_enable
+(
+   struct relabsd_axis axis [const restrict static 1]
+)
+{
+   axis->is_enabled = 1;
+}
+
+
diff --git a/src/device/axis/axis_filter.c b/src/device/axis/axis_filter.c
index 295a7f6..eb14edd 100644
--- a/src/device/axis/axis_filter.c
+++ b/src/device/axis/axis_filter.c
@@ -1,3 +1,7 @@
+/**** POSIX *******************************************************************/
+#include <stdlib.h>
+#include <limits.h>
+
 /**** RELABSD *****************************************************************/
 #include <relabsd/device/axis.h>
 
@@ -6,13 +10,13 @@
 /******************************************************************************/
 static int direct_filter
 (
-   struct relabsd_config_axis * const axis,
-   int * const value
+   struct relabsd_axis axis [const restrict static 1],
+   int value [const restrict static 1]
 )
 {
    if (abs(*value - axis->previous_value) <= axis->fuzz)
    {
-      if (axis->option[RELABSD_REAL_FUZZ_OPTION])
+      if (axis->flags[RELABSD_REAL_FUZZ])
       {
          axis->previous_value = *value;
       }
@@ -45,8 +49,8 @@ static int direct_filter
 
 static int rel_to_abs_filter
 (
-   struct relabsd_config_axis * const axis,
-   int * const value
+   struct relabsd_axis axis [const restrict static 1],
+   int value [const restrict static 1]
 )
 {
    long int guard;
@@ -64,7 +68,7 @@ static int rel_to_abs_filter
 
    *value = (int) guard;
 
-   if (axis->option[RELABSD_FRAMED_OPTION])
+   if (axis->flags[RELABSD_FRAMED])
    {
       if (*value < axis->min)
       {
@@ -115,12 +119,12 @@ int relabsd_axis_filter_new_value
 {
    if (!(axis->is_enabled))
    {
-      return;
+      return 0;
    }
 
    /* TODO: handle conf->axis[axis].resolution */
 
-   if (axis->flag[RELABSD_DIRECT_OPTION])
+   if (axis->flags[RELABSD_DIRECT])
    {
       return direct_filter(axis, value);
    }
diff --git a/src/device/axis/axis_option.c b/src/device/axis/axis_option.c
new file mode 100644
index 0000000..fd1cb9c
--- /dev/null
+++ b/src/device/axis/axis_option.c
@@ -0,0 +1,71 @@
+/**** POSIX *******************************************************************/
+#include <string.h>
+
+/**** RELABSD *****************************************************************/
+#include <relabsd/debug.h>
+
+#include <relabsd/device/axis.h>
+
+/******************************************************************************/
+/**** LOCAL FUNCTIONS *********************************************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/**** EXPORTED FUNCTIONS ******************************************************/
+/******************************************************************************/
+/*
+ * Returns -1 if the option was discarded (an error has been reported),
+ *         0 if the option was successfully parsed.
+ */
+int relabsd_axis_enable_option_from_name
+(
+   const char option_name [const restrict static 1],
+   const char axis_name [const restrict static 1],
+   struct relabsd_axis axis [const restrict static 1]
+)
+{
+
+   if (strcmp(option_name, "direct") == 0)
+   {
+      axis->flags[RELABSD_DIRECT] = 1;
+
+      if (axis->flags[RELABSD_FRAMED])
+      {
+         RELABSD_WARNING
+         (
+            "Option 'direct' on axis '%s' supersedes its 'framed' option.",
+            axis_name
+         );
+      }
+   }
+   else if (strcmp(option_name, "real_fuzz") == 0)
+   {
+      axis->flags[RELABSD_REAL_FUZZ] = 1;
+   }
+   else if (strcmp(option_name, "framed") == 0)
+   {
+      axis->flags[RELABSD_FRAMED] = 1;
+
+      if (axis->flags[RELABSD_DIRECT])
+      {
+         RELABSD_WARNING
+         (
+            "Option 'direct' on axis '%s' supersedes its 'framed' option.",
+            axis_name
+         );
+      }
+   }
+   else
+   {
+      RELABSD_ERROR
+      (
+         "Unknown option '%s' for axis '%s'.",
+         option_name,
+         axis_name
+      );
+
+      return -1;
+   }
+
+   return 0;
+}