def json_value_generator(c_file, level, src, dst, ptx, typ):
"""
Description: json value generateor
Interface: None
History: 2019-06-17
"""
if helpers.valid_basic_map_name(typ):
c_file.write('%sstat = gen_%s(%s, %s, %s, err);\n' \
% (' ' * (level), helpers.make_basic_map_name(typ), dst, src, ptx))
c_file.write("%sif (yajl_gen_status_ok != stat)\n" % (' ' * (level)))
c_file.write("%sGEN_SET_ERROR_AND_RETURN(stat, err);\n" % (' ' * (level + 1)))
elif typ == 'string':
c_file.write('%sstat = yajl_gen_string((yajl_gen)%s, \
(const unsigned char *)(%s), strlen(%s));\n' % (' ' * (level), dst, src, src))
c_file.write("%sif (yajl_gen_status_ok != stat)\n" % (' ' * (level)))
c_file.write("%sGEN_SET_ERROR_AND_RETURN(stat, err);\n" % (' ' * (level + 1)))
elif helpers.judge_data_type(typ):
if typ == 'double':
c_file.write('%sstat = yajl_gen_double((yajl_gen)%s, %s);\n' \
% (' ' * (level), dst, src))
elif typ.startswith("uint") or typ == 'GID' or typ == 'UID':
c_file.write('%sstat = map_uint(%s, %s);\n' % (' ' * (level), dst, src))
else:
c_file.write('%sstat = map_int(%s, %s);\n' % (' ' * (level), dst, src))
c_file.write("%sif (yajl_gen_status_ok != stat)\n" % (' ' * (level)))
c_file.write("%sGEN_SET_ERROR_AND_RETURN(stat, err);\n" \
% (' ' * (level + 1)))
elif typ == 'boolean':
c_file.write('%sstat = yajl_gen_bool((yajl_gen)%s, (int)(%s));\n' \
% (' ' * (level), dst, src))
c_file.write("%sif (yajl_gen_status_ok != stat)\n" % (' ' * (level)))
c_file.write("%sGEN_SET_ERROR_AND_RETURN(stat, err);\n" % (' ' * (level + 1)))
def parse_obj_arr_obj(obj, c_file, prefix, obj_typename):
"""
Description: generate c language for parse object or array object
Interface: None
History: 2019-06-17
"""
nodes = obj.children if obj.typ == 'object' else obj.subtypobj
required_to_check = []
for i in nodes or []:
if obj.required and i.origname in obj.required and \
not helpers.judge_data_type(i.typ) and i.typ != 'boolean':
required_to_check.append(i)
parse_obj_type(i, c_file, prefix, obj_typename)
for i in required_to_check:
c_file.write(' if (ret->%s == NULL) {\n' % i.fixname)
c_file.write(' if (asprintf(err, "Required field \'%%s\' not present", ' \
' "%s") < 0)\n' % i.origname)
c_file.write(
' *err = safe_strdup("error allocating memory");\n')
c_file.write(" free_%s(ret);\n" % obj_typename)
c_file.write(" return NULL;\n")
c_file.write(' }\n')
if obj.typ == 'object' and obj.children is not None:
# O(n^2) complexity, but the objects should not really be big...
condition = " &&\n ".join( \
['strcmp(tree->u.object.keys[i], "%s")' % i.origname for i in obj.children])
c_file.write("""
if (tree->type == yajl_t_object && (ctx->options & OPT_PARSE_STRICT)) {
size_t i;
for (i = 0; i < tree->u.object.len; i++)
if (%s) {
if (ctx->stderr > 0)
(void)fprintf(ctx->stderr, "WARNING: unknown key found: %%s\\n",
tree->u.object.keys[i]);
}
}
""" % condition)
def get_obj_arr_obj(obj, c_file, prefix):
"""
Description: c language generate object or array object
Interface: None
History: 2019-06-17
"""
if obj.typ == 'string':
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) ||' \
' (ptr != NULL && ptr->%s != NULL)) {\n' % obj.fixname)
c_file.write(' char *str = "";\n')
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s != NULL) {\n" %
obj.fixname)
c_file.write(" str = ptr->%s;\n" % obj.fixname)
c_file.write(" }\n")
json_value_generator(c_file, 2, "str", 'g', 'ctx', obj.typ)
c_file.write(" }\n")
elif helpers.judge_data_type(obj.typ):
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) ||' \
' (ptr != NULL && ptr->%s)) {\n' % obj.fixname)
if obj.typ == 'double':
numtyp = 'double'
elif obj.typ.startswith(
"uint") or obj.typ == 'GID' or obj.typ == 'UID':
numtyp = 'long long unsigned int'
else:
numtyp = 'long long int'
c_file.write(' %s num = 0;\n' % numtyp)
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s) {\n" % obj.fixname)
c_file.write(" num = (%s)ptr->%s;\n" %
(numtyp, obj.fixname))
c_file.write(" }\n")
json_value_generator(c_file, 2, "num", 'g', 'ctx', obj.typ)
c_file.write(" }\n")
elif helpers.judge_data_pointer_type(obj.typ):
c_file.write(' if ((ptr != NULL && ptr->%s != NULL)) {\n' %
obj.fixname)
numtyp = helpers.obtain_data_pointer_type(obj.typ)
if numtyp == "":
return
c_file.write(' %s num = 0;\n' % helpers.get_map_c_types(numtyp))
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s != NULL) {\n" %
obj.fixname)
c_file.write(" num = (%s)*(ptr->%s);\n" \
% (helpers.get_map_c_types(numtyp), obj.fixname))
c_file.write(" }\n")
json_value_generator(c_file, 2, "num", 'g', 'ctx', numtyp)
c_file.write(" }\n")
elif obj.typ == 'boolean':
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) ||' \
' (ptr != NULL && ptr->%s)) {\n' % obj.fixname)
c_file.write(' bool b = false;\n')
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s) {\n" % obj.fixname)
c_file.write(" b = ptr->%s;\n" % obj.fixname)
c_file.write(" }\n")
json_value_generator(c_file, 2, "b", 'g', 'ctx', obj.typ)
c_file.write(" }\n")
elif obj.typ == 'object' or obj.typ == 'mapStringObject':
if obj.subtypname:
typename = obj.subtypname
else:
typename = helpers.get_prefixe_name(obj.name, prefix)
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) ||' \
' (ptr != NULL && ptr->%s != NULL)) {\n' % obj.fixname)
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' stat = gen_%s(g, ptr != NULL ? ptr->%s : NULL, ctx, err);\n' \
% (typename, obj.fixname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" }\n")
elif obj.typ == 'array' and (obj.subtypobj or obj.subtyp == 'object'):
if obj.subtypname:
typename = obj.subtypname
else:
typename = helpers.get_name_substr(obj.name, prefix)
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) || ' \
'(ptr != NULL && ptr->%s != NULL)) {\n' % obj.fixname)
c_file.write(' size_t len = 0, i;\n')
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s != NULL) {\n" %
obj.fixname)
c_file.write(" len = ptr->%s_len;\n" % obj.fixname)
c_file.write(" }\n")
c_file.write(
" if (!len && !(ctx->options & OPT_GEN_SIMPLIFY))\n")
c_file.write(' yajl_gen_config(g, yajl_gen_beautify, 0);\n')
c_file.write(' stat = yajl_gen_array_open((yajl_gen)g);\n')
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' for (i = 0; i < len; i++) {\n')
c_file.write(' stat = gen_%s(g, ptr->%s[i], ctx, err);\n' \
% (typename, obj.fixname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' }\n')
c_file.write(' stat = yajl_gen_array_close((yajl_gen)g);\n')
c_file.write(
" if (!len && !(ctx->options & OPT_GEN_SIMPLIFY))\n")
c_file.write(' yajl_gen_config(g, yajl_gen_beautify, 1);\n')
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' }\n')
elif obj.typ == 'array' and obj.subtyp == 'byte':
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) ||' \
' (ptr != NULL && ptr->%s != NULL && ptr->%s_len)) {\n' \
% (obj.fixname, obj.fixname))
c_file.write(' const char *str = "";\n')
c_file.write(' size_t len = 0;\n')
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s != NULL) {\n" %
obj.fixname)
c_file.write(" str = (const char *)ptr->%s;\n" %
obj.fixname)
c_file.write(" len = ptr->%s_len;\n" % obj.fixname)
c_file.write(" }\n")
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)str, len);\n')
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" }\n")
elif obj.typ == 'array':
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) || ' \
'(ptr != NULL && ptr->%s != NULL)) {\n' % obj.fixname)
c_file.write(' size_t len = 0, i;\n')
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" if (ptr != NULL && ptr->%s != NULL) {\n" %
obj.fixname)
c_file.write(" len = ptr->%s_len;\n" % obj.fixname)
c_file.write(" }\n")
c_file.write(
" if (!len && !(ctx->options & OPT_GEN_SIMPLIFY))\n")
c_file.write(' yajl_gen_config(g, yajl_gen_beautify, 0);\n')
c_file.write(' stat = yajl_gen_array_open((yajl_gen)g);\n')
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' for (i = 0; i < len; i++) {\n')
json_value_generator(c_file, 3, "ptr->%s[i]" % obj.fixname, 'g', 'ctx',
obj.subtyp)
c_file.write(' }\n')
c_file.write(' stat = yajl_gen_array_close((yajl_gen)g);\n')
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(
" if (!len && !(ctx->options & OPT_GEN_SIMPLIFY))\n")
c_file.write(' yajl_gen_config(g, yajl_gen_beautify, 1);\n')
c_file.write(' }\n')
elif helpers.valid_basic_map_name(obj.typ):
c_file.write(' if ((ctx->options & OPT_GEN_KAY_VALUE) || ' \
'(ptr != NULL && ptr->%s != NULL)) {\n' % obj.fixname)
c_file.write(' stat = yajl_gen_string((yajl_gen)g, \
(const unsigned char *)("%s"), strlen("%s"));\n' %
(obj.origname, obj.origname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(' stat = gen_%s(g, ptr ? ptr->%s : NULL, ctx, err);\n' \
% (helpers.make_basic_map_name(obj.typ), obj.fixname))
c_file.write(" if (yajl_gen_status_ok != stat)\n")
c_file.write(" GEN_SET_ERROR_AND_RETURN(stat, err);\n")
c_file.write(" }\n")
def parse_obj_arr_obj(obj, c_file, prefix, obj_typename):
"""
Description: generate c language for parse object or array object
Interface: None
History: 2019-06-17
"""
nodes = obj.children if obj.typ == 'object' else obj.subtypobj
required_to_check = []
for i in nodes or []:
if obj.required and i.origname in obj.required and \
not helpers.judge_data_type(i.typ) and i.typ != 'boolean':
required_to_check.append(i)
parse_obj_type(i, c_file, prefix, obj_typename)
for i in required_to_check:
c_file.write(' if (ret->%s == NULL) {\n' % i.fixname)
c_file.write(' if (asprintf(err, "Required field \'%%s\' not present", ' \
' "%s") < 0)\n' % i.origname)
c_file.write(' *err = safe_strdup("error allocating memory");\n')
c_file.write(" free_%s(ret);\n" % obj_typename)
c_file.write(" return NULL;\n")
c_file.write(' }\n')
if obj.typ == 'object' and obj.children is not None:
# O(n^2) complexity, but the objects should not really be big...
condition = " &&\n ".join( \
['strcmp(tree->u.object.keys[i], "%s")' % i.origname for i in obj.children])
c_file.write("""
if (tree->type == yajl_t_object)
{
size_t i;
size_t j = 0;
size_t cnt = tree->u.object.len;
yajl_val resi = NULL;
if (ctx->options & OPT_PARSE_FULLKEY)
{
resi = calloc (1, sizeof(*tree));
if (resi == NULL)
{
free_%s(ret);
return NULL;
}
resi->type = yajl_t_object;
resi->u.object.keys = calloc (cnt, sizeof (const char *));
if (resi->u.object.keys == NULL)
{
free_%s(ret);
yajl_tree_free(resi);
return NULL;
}
resi->u.object.values = calloc (cnt, sizeof (yajl_val));
if (resi->u.object.values == NULL)
{
free_%s(ret);
yajl_tree_free(resi);
return NULL;
}
}
for (i = 0; i < tree->u.object.len; i++)
{
if (%s)
{
if (ctx->options & OPT_PARSE_FULLKEY)
{
resi->u.object.keys[j] = tree->u.object.keys[i];
tree->u.object.keys[i] = NULL;
resi->u.object.values[j] = tree->u.object.values[i];
tree->u.object.values[i] = NULL;
resi->u.object.len++;
}
j++;
}
}
if (ctx->options & OPT_PARSE_STRICT)
{
if (j > 0 && ctx->stderr > 0)
fprintf (ctx->stderr, "WARNING: unknown key found\\n");
}
if (ctx->options & OPT_PARSE_FULLKEY)
ret->_residual = resi;
}
""" % (obj_typename, obj_typename, obj_typename, condition))
