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authorOle Troan <ot@cisco.com>2020-12-04 13:15:30 +0100
committerPaul Vinciguerra <pvinci@vinciconsulting.com>2020-12-11 22:54:09 +0000
commit793be46324453e5326eb37a13ffb82f92b1f55b1 (patch)
tree4a7932b5ccfce018a97c8e75e8a9aa1c16f18e15 /src/tools/vppapigen/vppapigen_c.py
parent6c8cdf78b47494f98ac0d6dac8c736467f4afc55 (diff)
api: fromjson/tojson enum flag support
Represent enum flags as JSON arrays (as these can have multiple values). Add unit tests. Type: improvement Change-Id: I680c5b6f76ef6f05f360e2f3b9c4cbb927e15d7d Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/tools/vppapigen/vppapigen_c.py')
-rw-r--r--src/tools/vppapigen/vppapigen_c.py38
1 files changed, 36 insertions, 2 deletions
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py
index 44f86be9222..66e0c2f084c 100644
--- a/src/tools/vppapigen/vppapigen_c.py
+++ b/src/tools/vppapigen/vppapigen_c.py
@@ -187,7 +187,21 @@ class ToJSON():
write('}\n')
_dispatch['Enum'] = print_enum
- _dispatch['EnumFlag'] = print_enum
+
+ def print_enum_flag(self, o):
+ '''Create cJSON object (string) for VPP API enum'''
+ write = self.stream.write
+ write('static inline cJSON *vl_api_{name}_t_tojson '
+ '(vl_api_{name}_t a) {{\n'.format(name=o.name))
+ write(' cJSON *array = cJSON_CreateArray();\n')
+
+ for b in o.block:
+ write(' if (a & {})\n'.format(b[0]))
+ write(' cJSON_AddItemToArray(array, cJSON_CreateString("{}"));\n'.format(b[0]))
+ write(' return array;\n')
+ write('}\n')
+
+ _dispatch['EnumFlag'] = print_enum_flag
def print_typedef(self, o):
'''Create cJSON (dictionary) object from VPP API typedef'''
@@ -456,7 +470,27 @@ class FromJSON():
write('}\n')
_dispatch['Enum'] = print_enum
- _dispatch['EnumFlag'] = print_enum
+
+ def print_enum_flag(self, o):
+ '''Convert to JSON enum(string) to VPP API enum (int)'''
+ write = self.stream.write
+ write('static inline void *vl_api_{n}_t_fromjson '
+ '(void *mp, int *len, cJSON *o, vl_api_{n}_t *a) {{\n'
+ .format(n=o.name))
+ write(' int i;\n')
+ write(' *a = 0;\n')
+ write(' for (i = 0; i < cJSON_GetArraySize(o); i++) {\n')
+ write(' cJSON *e = cJSON_GetArrayItem(o, i);\n')
+ write(' char *p = cJSON_GetStringValue(e);\n')
+ write(' if (!p) return 0;\n')
+ for b in o.block:
+ write(' if (strcmp(p, "{}") == 0) *a |= {};\n'
+ .format(b[0], b[1]))
+ write(' }\n')
+ write(' return mp;\n')
+ write('}\n')
+
+ _dispatch['EnumFlag'] = print_enum_flag
def print_typedef(self, o):
'''Convert from JSON object to VPP API binary representation'''