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add transform_object_properties in jerryx/arg (#1879)

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Add a function in jerryx/arg.
jerryx_arg_transform_object_properties, it will validate the properties of a JS object, and convert those properties into native type.

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
This commit is contained in:
Zidong Jiang
2017-06-19 19:51:08 -05:00
committed by GitHub
parent 7cc9d65c09
commit e4eecc2019
6 changed files with 424 additions and 15 deletions
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jerry-ext/arg/arg-transform-functions.c
+24 -2
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@@ -63,7 +63,7 @@ jerryx_arg_transform_number_strict (jerryx_arg_js_iterator_t *js_arg_iter_p, /**
} /* jerryx_arg_transform_number_strict */
/**
* Tranform a JS argument to a double. Type coercion is allowed.
* Transform a JS argument to a double. Type coercion is allowed.
*
* @return jerry undefined: the transformer passes,
* jerry error: the transformer fails.
@@ -251,7 +251,7 @@ jerryx_arg_transform_native_pointer (jerryx_arg_js_iterator_t *js_arg_iter_p, /*
if (!jerry_value_is_object (js_arg))
{
return jerry_create_error (JERRY_ERROR_TYPE,
(jerry_char_t *) "It is not a object.");
(jerry_char_t *) "It is not an object.");
}
const jerry_object_native_info_t *expected_info_p;
@@ -269,6 +269,27 @@ jerryx_arg_transform_native_pointer (jerryx_arg_js_iterator_t *js_arg_iter_p, /*
return jerry_create_undefined ();
} /* jerryx_arg_transform_native_pointer */
/**
* Check whether the JS object's properties have expected types, and transform them into native args.
*
* @return jerry undefined: the transformer passes,
* jerry error: the transformer fails.
*/
jerry_value_t
jerryx_arg_transform_object_props (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
const jerryx_arg_t *c_arg_p) /**< the native arg */
{
jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
const jerryx_arg_object_props_t *object_props = (const jerryx_arg_object_props_t *) c_arg_p->extra_info;
return jerryx_arg_transform_object_properties (js_arg,
object_props->name_p,
object_props->name_cnt,
object_props->c_arg_p,
object_props->c_arg_cnt);
} /* jerryx_arg_transform_object_props */
/**
* Define transformer for optional argument.
*/
@@ -288,6 +309,7 @@ JERRYX_ARG_TRANSFORM_OPTIONAL (string)
JERRYX_ARG_TRANSFORM_OPTIONAL (string_strict)
JERRYX_ARG_TRANSFORM_OPTIONAL (function)
JERRYX_ARG_TRANSFORM_OPTIONAL (native_pointer)
JERRYX_ARG_TRANSFORM_OPTIONAL (object_props)
/**
* Ignore the JS argument.