X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fjson.c;h=58b248a06725893ec1800f95c5e180346c50a00c;hb=HEAD;hp=db0e09e4dd53afaea607c7da507c1ff3fee023fc;hpb=1e827902be9194d71ea851c9ce2676f65eeed33a;p=sliver-openvswitch.git diff --git a/lib/json.c b/lib/json.c index db0e09e4d..58b248a06 100644 --- a/lib/json.c +++ b/lib/json.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc. + * Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -1640,116 +1640,3 @@ json_serialize_string(const char *string, struct ds *ds) } ds_put_char(ds, '"'); } - -static size_t -json_string_serialized_length(const char *string) -{ - size_t length; - uint8_t c; - - length = strlen("\"\""); - - while ((c = *string++) != '\0') { - switch (c) { - case '"': - case '\\': - case '\b': - case '\f': - case '\n': - case '\r': - case '\t': - length += 2; - break; - - default: - if (c >= 32) { - length++; - } else { - /* \uXXXX */ - length += 6; - } - break; - } - } - - return length; -} - -static size_t -json_object_serialized_length(const struct shash *object) -{ - size_t length = strlen("{}"); - - if (!shash_is_empty(object)) { - struct shash_node *node; - - /* Commas and colons. */ - length += 2 * shash_count(object) - 1; - - SHASH_FOR_EACH (node, object) { - const struct json *value = node->data; - - length += json_string_serialized_length(node->name); - length += json_serialized_length(value); - } - } - - return length; -} - -static size_t -json_array_serialized_length(const struct json_array *array) -{ - size_t length = strlen("[]"); - - if (array->n) { - size_t i; - - /* Commas. */ - length += array->n - 1; - - for (i = 0; i < array->n; i++) { - length += json_serialized_length(array->elems[i]); - } - } - - return length; -} - -/* Returns strlen(json_to_string(json, 0)), that is, the number of bytes in the - * JSON output by json_to_string() for 'json' when JSSF_PRETTY is not - * requested. (JSSF_SORT does not affect the length of json_to_string()'s - * output.) */ -size_t -json_serialized_length(const struct json *json) -{ - switch (json->type) { - case JSON_NULL: - return strlen("null"); - - case JSON_FALSE: - return strlen("false"); - - case JSON_TRUE: - return strlen("true"); - - case JSON_OBJECT: - return json_object_serialized_length(json->u.object); - - case JSON_ARRAY: - return json_array_serialized_length(&json->u.array); - - case JSON_INTEGER: - return snprintf(NULL, 0, "%lld", json->u.integer); - - case JSON_REAL: - return snprintf(NULL, 0, "%.*g", DBL_DIG, json->u.real); - - case JSON_STRING: - return json_string_serialized_length(json->u.string); - - case JSON_N_TYPES: - default: - OVS_NOT_REACHED(); - } -}