eeze_udev gets more helper functions

eeze_udev_syspath_get_parent_filtered, eeze_udev_syspath_check_property, eeze_udev_syspath_check_sysattr

@feature

2 files changed, 93 insertions, 1 deletions

diff --git a/src/lib/eeze/Eeze.h b/src/lib/eeze/Eeze.h
index 55d2230884..834956688f 100644
--- a/src/lib/eeze/Eeze.h
+++ b/src/lib/eeze/Eeze.h
@@ -419,6 +419,19 @@ EAPI const char      *eeze_udev_devpath_get_syspath(const char *devpath);
 EAPI const char      *eeze_udev_syspath_get_parent(const char *syspath);
 
 /**
+ * Find the parent device of a device from its syspath with a filter applied.
+ *
+ * @param syspath The syspath of a device, with or without "/sys/"
+ * @param subsystem The desired subsystem of the parent device
+ * @param devtype The desired device type of the parent device
+ * @return The syspath of the parent device
+ *
+ * Return a stringshared syspath (/sys/$syspath) for the parent device if one exists which matches the filter.
+ * @since 1.10
+ */
+EAPI Eina_Stringshare *eeze_udev_syspath_get_parent_filtered(const char *syspath, const char *subsystem, const char *devtype);
+
+/**
  * Returns a list of all parent device syspaths for @p syspath.
  *
  * @param syspath The device to find parents of
@@ -458,6 +471,17 @@ EAPI const char      *eeze_udev_syspath_get_devname(const char *syspath);
 EAPI const char      *eeze_udev_syspath_get_subsystem(const char *syspath);
 
 /**
+ * Check the property value of a device from the /sys/ path against a provided value.
+ *
+ * @param syspath The /sys/ path with or without the /sys/
+ * @param property The property to check; full list of these is a FIXME
+ * @param value The value to check the property against
+ * @return @c EINA_TRUE if the property matches the supplied value
+ * @since 1.10
+ */
+EAPI Eina_Bool eeze_udev_syspath_check_property(const char *syspath, const char *property, const char *value);
+
+/**
  * Get the property value of a device from the /sys/ path.
  *
  * @param syspath The /sys/ path with or without the /sys/
@@ -476,6 +500,17 @@ EAPI const char      *eeze_udev_syspath_get_property(const char *syspath, const
 EAPI const char      *eeze_udev_syspath_get_sysattr(const char *syspath, const char *sysattr);
 
 /**
+ * Check the sysattr value of a device from the /sys/ path against a provided value.
+ *
+ * @param syspath The /sys/ path with or without the /sys/
+ * @param sysattr The sysattr to check; full list of these is a FIXME
+ * @param value The value to check the property against
+ * @return @c EINA_TRUE if the sysattr matches the supplied value
+ * @since 1.10
+ */
+EAPI Eina_Bool eeze_udev_syspath_check_sysattr(const char *syspath, const char *sysattr, const char *value);
+
+/**
  * Checks whether the device is a mouse.
  *
  * @param syspath The /sys/ path with or without the /sys/
diff --git a/src/lib/eeze/eeze_udev_syspath.c b/src/lib/eeze/eeze_udev_syspath.c
index 0dcf097c02..ea8dfadea0 100644
--- a/src/lib/eeze/eeze_udev_syspath.c
+++ b/src/lib/eeze/eeze_udev_syspath.c
@@ -5,6 +5,23 @@
 #include <Eeze.h>
 #include "eeze_udev_private.h"
 
+EAPI Eina_Stringshare *
+eeze_udev_syspath_get_parent_filtered(const char *syspath, const char *subsystem, const char *devtype)
+{
+   _udev_device *device, *parent;
+   Eina_Stringshare *ret = NULL;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(syspath, NULL);
+
+   if (!(device = _new_device(syspath)))
+     return NULL;
+   parent = udev_device_get_parent_with_subsystem_devtype(device, subsystem, devtype);
+   if (parent)
+     ret = eina_stringshare_add(udev_device_get_syspath(parent));
+   udev_device_unref(device);
+   return ret;
+}
+
 EAPI const char *
 eeze_udev_syspath_get_parent(const char *syspath)
 {
@@ -104,12 +121,32 @@ eeze_udev_syspath_get_subsystem(const char *syspath)
    return subsystem;
 }
 
+EAPI Eina_Bool
+eeze_udev_syspath_check_property(const char *syspath, const char *property, const char *value)
+{
+   _udev_device *device;
+   const char *test;
+   Eina_Bool ret = EINA_FALSE;
+
+   if (!syspath || !property || !value)
+     return EINA_FALSE;
+
+   if (!(device = _new_device(syspath)))
+     return EINA_FALSE;
+   if ((test = udev_device_get_property_value(device, property)))
+     ret = !strcmp(test, value);
+
+   udev_device_unref(device);
+   return ret;
+}
+
 EAPI const char *
 eeze_udev_syspath_get_property(const char *syspath,
                                const char *property)
 {
    _udev_device *device;
-   const char *value = NULL, *test;
+   const char *test;
+   Eina_Stringshare *value;
 
    if (!syspath || !property)
      return NULL;
@@ -123,6 +160,26 @@ eeze_udev_syspath_get_property(const char *syspath,
    return value;
 }
 
+EAPI Eina_Bool
+eeze_udev_syspath_check_sysattr(const char *syspath, const char *sysattr, const char *value)
+{
+   _udev_device *device;
+   const char *test;
+   Eina_Bool ret = EINA_FALSE;
+
+   if (!syspath || !sysattr || !value)
+     return EINA_FALSE;
+
+   if (!(device = _new_device(syspath)))
+     return EINA_FALSE;
+
+   if ((test = udev_device_get_sysattr_value(device, sysattr)))
+     ret = !strcmp(test, value);
+
+   udev_device_unref(device);
+   return ret;
+}
+
 EAPI const char *
 eeze_udev_syspath_get_sysattr(const char *syspath,
                               const char *sysattr)