diff options
Diffstat (limited to 'source4/lib/json/json_object.c')
-rw-r--r-- | source4/lib/json/json_object.c | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/source4/lib/json/json_object.c b/source4/lib/json/json_object.c deleted file mode 100644 index 525e2171e9..0000000000 --- a/source4/lib/json/json_object.c +++ /dev/null @@ -1,504 +0,0 @@ -/* - * $Id: json_object.c,v 1.15 2006/01/30 23:07:57 mclark Exp $ - * - * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd. - * Michael Clark <michael@metaparadigm.com> - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the MIT license. See COPYING for details. - * - */ - -#include "config.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "debug.h" -#include "printbuf.h" -#include "linkhash.h" -#include "arraylist.h" -#include "json_object.h" -#include "json_object_private.h" -#include "json_tokener.h" - -#if !HAVE_STRNDUP - char* strndup(const char* str, size_t n); -#endif /* !HAVE_STRNDUP */ - -/* #define REFCOUNT_DEBUG 1 */ - -char *json_number_chars = "0123456789.+-e"; -char *json_hex_chars = "0123456789abcdef"; - -#ifdef REFCOUNT_DEBUG -static char* json_type_name[] = { - "null", - "boolean", - "double", - "int", - "object", - "array", - "string", -}; -#endif /* REFCOUNT_DEBUG */ - -static void json_object_generic_delete(struct json_object* this); -static struct json_object* json_object_new(enum json_type o_type); - - -/* ref count debugging */ - -#ifdef REFCOUNT_DEBUG - -static struct lh_table *json_object_table; - -static void json_object_init() __attribute__ ((constructor)); -static void json_object_init() { - mc_debug("json_object_init: creating object table\n"); - json_object_table = lh_kptr_table_new(128, "json_object_table", NULL); -} - -static void json_object_fini() __attribute__ ((destructor)); -static void json_object_fini() { - struct lh_entry *ent; - if(mc_get_debug() && json_object_table->count) { - mc_debug("json_object_fini: %d referenced objects at exit\n", - json_object_table->count); - lh_foreach(json_object_table, ent) { - struct json_object* obj = (struct json_object*)ent->v; - mc_debug("\t%s:%p\n", json_type_name[obj->o_type], obj); - } - } - mc_debug("json_object_fini: freeing object table\n"); - lh_table_free(json_object_table); -} -#endif /* REFCOUNT_DEBUG */ - - -/* string escaping */ - -static int json_escape_str(struct printbuf *pb, char *str) -{ - int pos = 0, start_offset = 0; - unsigned char c; - do { - c = str[pos]; - switch(c) { - case '\0': - break; - case '\b': - case '\n': - case '\r': - case '\t': - case '"': - if(pos - start_offset > 0) - printbuf_memappend(pb, str + start_offset, pos - start_offset); - if(c == '\b') printbuf_memappend(pb, "\\b", 2); - else if(c == '\n') printbuf_memappend(pb, "\\n", 2); - else if(c == '\r') printbuf_memappend(pb, "\\r", 2); - else if(c == '\t') printbuf_memappend(pb, "\\t", 2); - else if(c == '"') printbuf_memappend(pb, "\\\"", 2); - start_offset = ++pos; - break; - default: - if(c < ' ') { - if(pos - start_offset > 0) - printbuf_memappend(pb, str + start_offset, pos - start_offset); - sprintbuf(pb, "\\u00%c%c", - json_hex_chars[c >> 4], - json_hex_chars[c & 0xf]); - start_offset = ++pos; - } else pos++; - } - } while(c); - if(pos - start_offset > 0) - printbuf_memappend(pb, str + start_offset, pos - start_offset); - return 0; -} - - -/* reference counting */ - -extern struct json_object* json_object_get(struct json_object *this) -{ - if(this) { - this->_ref_count++; - } - return this; -} - -extern void json_object_put(struct json_object *this) -{ - if(this) { - this->_ref_count--; - if(!this->_ref_count) this->_delete(this); - } -} - - -/* generic object construction and destruction parts */ - -static void json_object_generic_delete(struct json_object* this) -{ -#ifdef REFCOUNT_DEBUG - mc_debug("json_object_delete_%s: %p\n", - json_type_name[this->o_type], this); - lh_table_delete(json_object_table, this); -#endif /* REFCOUNT_DEBUG */ - printbuf_free(this->_pb); - free(this); -} - -static struct json_object* json_object_new(enum json_type o_type) -{ - struct json_object *this = calloc(sizeof(struct json_object), 1); - if(!this) return NULL; - this->o_type = o_type; - this->_ref_count = 1; - this->_delete = &json_object_generic_delete; -#ifdef REFCOUNT_DEBUG - lh_table_insert(json_object_table, this, this); - mc_debug("json_object_new_%s: %p\n", json_type_name[this->o_type], this); -#endif /* REFCOUNT_DEBUG */ - return this; -} - - -/* type checking functions */ - -int json_object_is_type(struct json_object *this, enum json_type type) -{ - return (this->o_type == type); -} - -enum json_type json_object_get_type(struct json_object *this) -{ - return this->o_type; -} - - -/* json_object_to_json_string */ - -char* json_object_to_json_string(struct json_object *this) -{ - if(!this) return "null"; - if(!this->_pb) { - if(!(this->_pb = printbuf_new())) return NULL; - } else { - printbuf_reset(this->_pb); - } - if(this->_to_json_string(this, this->_pb) < 0) return NULL; - return this->_pb->buf; -} - - -/* json_object_object */ - -static int json_object_object_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - int i=0; - struct json_object_iter iter; - sprintbuf(pb, "{"); - - /* CAW: scope operator to make ANSI correctness */ - /* CAW: switched to json_object_object_foreachC which uses an iterator struct */ - json_object_object_foreachC(this, iter) { - if(i) sprintbuf(pb, ","); - sprintbuf(pb, " \""); - json_escape_str(pb, iter.key); - sprintbuf(pb, "\": "); - if(iter.val == NULL) sprintbuf(pb, "null"); - else iter.val->_to_json_string(iter.val, pb); - i++; - } - - return sprintbuf(pb, " }"); -} - -static void json_object_lh_entry_free(struct lh_entry *ent) -{ - free(ent->k); - json_object_put((struct json_object*)ent->v); -} - -static void json_object_object_delete(struct json_object* this) -{ - lh_table_free(this->o.c_object); - json_object_generic_delete(this); -} - -struct json_object* json_object_new_object() -{ - struct json_object *this = json_object_new(json_type_object); - if(!this) return NULL; - this->_delete = &json_object_object_delete; - this->_to_json_string = &json_object_object_to_json_string; - this->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTIRES, - NULL, &json_object_lh_entry_free); - return this; -} - -struct lh_table* json_object_get_object(struct json_object *this) -{ - if(!this) return NULL; - switch(this->o_type) { - case json_type_object: - return this->o.c_object; - default: - return NULL; - } -} - -void json_object_object_add(struct json_object* this, char *key, - struct json_object *val) -{ - lh_table_delete(this->o.c_object, key); - lh_table_insert(this->o.c_object, strdup(key), val); -} - -struct json_object* json_object_object_get(struct json_object* this, char *key) -{ - return (struct json_object*) lh_table_lookup(this->o.c_object, key); -} - -void json_object_object_del(struct json_object* this, char *key) -{ - lh_table_delete(this->o.c_object, key); -} - - -/* json_object_boolean */ - -static int json_object_boolean_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - if(this->o.c_boolean) return sprintbuf(pb, "true"); - else return sprintbuf(pb, "false"); -} - -struct json_object* json_object_new_boolean(boolean b) -{ - struct json_object *this = json_object_new(json_type_boolean); - if(!this) return NULL; - this->_to_json_string = &json_object_boolean_to_json_string; - this->o.c_boolean = b; - return this; -} - -boolean json_object_get_boolean(struct json_object *this) -{ - if(!this) return FALSE; - switch(this->o_type) { - case json_type_boolean: - return this->o.c_boolean; - case json_type_int: - return (this->o.c_int != 0); - case json_type_double: - return (this->o.c_double != 0); - case json_type_string: - if(strlen(this->o.c_string)) return TRUE; - default: - return TRUE; - } -} - - -/* json_object_int */ - -static int json_object_int_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - return sprintbuf(pb, "%d", this->o.c_int); -} - -struct json_object* json_object_new_int(int i) -{ - struct json_object *this = json_object_new(json_type_int); - if(!this) return NULL; - this->_to_json_string = &json_object_int_to_json_string; - this->o.c_int = i; - return this; -} - -int json_object_get_int(struct json_object *this) -{ - int cint; - - if(!this) return 0; - switch(this->o_type) { - case json_type_int: - return this->o.c_int; - case json_type_double: - return (int)this->o.c_double; - case json_type_boolean: - return this->o.c_boolean; - case json_type_string: - if(sscanf(this->o.c_string, "%d", &cint) == 1) return cint; - default: - return 0; - } -} - - -/* json_object_double */ - -static int json_object_double_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - return sprintbuf(pb, "%lf", this->o.c_double); -} - -struct json_object* json_object_new_double(double d) -{ - struct json_object *this = json_object_new(json_type_double); - if(!this) return NULL; - this->_to_json_string = &json_object_double_to_json_string; - this->o.c_double = d; - return this; -} - -double json_object_get_double(struct json_object *this) -{ - double cdouble; - - if(!this) return 0.0; - switch(this->o_type) { - case json_type_double: - return this->o.c_double; - case json_type_int: - return this->o.c_int; - case json_type_boolean: - return this->o.c_boolean; - case json_type_string: - if(sscanf(this->o.c_string, "%lf", &cdouble) == 1) return cdouble; - default: - return 0.0; - } -} - - -/* json_object_string */ - -static int json_object_string_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - sprintbuf(pb, "\""); - json_escape_str(pb, this->o.c_string); - sprintbuf(pb, "\""); - return 0; -} - -static void json_object_string_delete(struct json_object* this) -{ - free(this->o.c_string); - json_object_generic_delete(this); -} - -struct json_object* json_object_new_string(char *s) -{ - struct json_object *this = json_object_new(json_type_string); - if(!this) return NULL; - this->_delete = &json_object_string_delete; - this->_to_json_string = &json_object_string_to_json_string; - this->o.c_string = strdup(s); - return this; -} - -struct json_object* json_object_new_string_len(char *s, int len) -{ - struct json_object *this = json_object_new(json_type_string); - if(!this) return NULL; - this->_delete = &json_object_string_delete; - this->_to_json_string = &json_object_string_to_json_string; - this->o.c_string = strndup(s, len); - return this; -} - -char* json_object_get_string(struct json_object *this) -{ - if(!this) return NULL; - switch(this->o_type) { - case json_type_string: - return this->o.c_string; - default: - return json_object_to_json_string(this); - } -} - - -/* json_object_array */ - -static int json_object_array_to_json_string(struct json_object* this, - struct printbuf *pb) -{ - int i; - sprintbuf(pb, "["); - for(i=0; i < json_object_array_length(this); i++) { - struct json_object *val; - if(i) { sprintbuf(pb, ", "); } - else { sprintbuf(pb, " "); } - - val = json_object_array_get_idx(this, i); - if(val == NULL) { sprintbuf(pb, "null"); } - else { val->_to_json_string(val, pb); } - } - return sprintbuf(pb, " ]"); -} - -static void json_object_array_entry_free(void *data) -{ - json_object_put((struct json_object*)data); -} - -static void json_object_array_delete(struct json_object* this) -{ - array_list_free(this->o.c_array); - json_object_generic_delete(this); -} - -struct json_object* json_object_new_array() -{ - struct json_object *this = json_object_new(json_type_array); - if(!this) return NULL; - this->_delete = &json_object_array_delete; - this->_to_json_string = &json_object_array_to_json_string; - this->o.c_array = array_list_new(&json_object_array_entry_free); - return this; -} - -struct array_list* json_object_get_array(struct json_object *this) -{ - if(!this) return NULL; - switch(this->o_type) { - case json_type_array: - return this->o.c_array; - default: - return NULL; - } -} - -int json_object_array_length(struct json_object *this) -{ - return array_list_length(this->o.c_array); -} - -int json_object_array_add(struct json_object *this,struct json_object *val) -{ - return array_list_add(this->o.c_array, val); -} - -int json_object_array_put_idx(struct json_object *this, int idx, - struct json_object *val) -{ - return array_list_put_idx(this->o.c_array, idx, val); -} - -struct json_object* json_object_array_get_idx(struct json_object *this, - int idx) -{ - return (struct json_object*)array_list_get_idx(this->o.c_array, idx); -} - |