Converted json generation using jansson and removed yajl imports

Signed-off-by: Sourav Moitra <[email protected]>

src/ocispec/headers.py

@@ -174,7 +174,7 @@ def append_type_c_header(obj, header, prefix):
     header.append(f"void free_{typename} ({typename} *ptr);\n\n")
     header.append(f"{typename} *clone_{typename} ({typename} *src);\n")
     header.append(f"{typename} *make_{typename} (json_t *jtree, const struct parser_context *ctx, parser_error *err);\n\n")
-    header.append(f"yajl_gen_status gen_{typename} (yajl_gen g, const {typename} *ptr, const struct parser_context *ctx, parser_error *err);\n\n")
+    header.append(f"int gen_{typename} (json_t *root, const {typename} *ptr, parser_error *err);\n\n")
 
 def header_reflect_top_array(obj, prefix, header):
     c_typ = helpers.get_prefixed_pointer(obj.name, obj.subtyp, prefix) or \
@@ -206,7 +206,7 @@ def header_reflect_top_array(obj, prefix, header):
     header.append(f"{typename} *{typename}_parse_data(const char *jsondata, const struct "\
         "parser_context *ctx, parser_error *err);\n\n")
     header.append(f"char *{typename}_generate_json(const {typename} *ptr, "\
-        "const struct parser_context *ctx, parser_error *err);\n\n")
+        "parser_error *err);\n\n")
 
 def header_reflect(structs, schema_info, header):
     '''
@@ -239,7 +239,7 @@ def header_reflect(structs, schema_info, header):
             "parser_error *err);\n\n")
         header.append(f"{prefix} *{prefix}_parse_data (const char *jsondata, const struct parser_context *ctx, "\
             "parser_error *err);\n\n")
-        header.append(f"char *{prefix}_generate_json (const {prefix} *ptr, const struct parser_context *ctx, "\
+        header.append(f"char *{prefix}_generate_json (const {prefix} *ptr,"\
             "parser_error *err);\n\n")
     elif toptype == 'array':
         header_reflect_top_array(structs[length - 1], prefix, header)