From a68df043bfbc7f8f38332143577877846631eca4 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:58:37 +0200 Subject: Update build environment - remove faad2 - remove mad - remove polarssl - remove pthreads - add libcurl - add vtparse with UTF8 support - update project to use Visual Studio 2015 --- json-c/src/json_object.c | 1523 ++++++++++++++++++++++++++++------------------ 1 file changed, 935 insertions(+), 588 deletions(-) (limited to 'json-c/src/json_object.c') diff --git a/json-c/src/json_object.c b/json-c/src/json_object.c index 84af414..2b66f76 100644 --- a/json-c/src/json_object.c +++ b/json-c/src/json_object.c @@ -1,588 +1,935 @@ -/* - * $Id: json_object.c,v 1.17 2006/07/25 03:24:50 mclark Exp $ - * - * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd. - * Michael Clark - * Copyright (c) 2009 Hewlett-Packard Development Company, L.P. - * - * 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 -#include -#include -#include - -#include "debug.h" -#include "printbuf.h" -#include "linkhash.h" -#include "arraylist.h" -#include "json_inttypes.h" -#include "json_object.h" -#include "json_object_private.h" -#include "json_util.h" - -#if !HAVE_STRNDUP - char* strndup(const char* str, size_t n); -#endif /* !HAVE_STRNDUP */ - -// Don't define this. It's not thread-safe. -/* #define REFCOUNT_DEBUG 1 */ - -const char *json_number_chars = "0123456789.+-eE"; -const char *json_hex_chars = "0123456789abcdefABCDEF"; - -static void json_object_generic_delete(struct json_object* jso); -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(void) __attribute__ ((constructor)); -static void json_object_init(void) { - 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(void) __attribute__ ((destructor)); -static void json_object_fini(void) { - struct lh_entry *ent; - if(MC_GET_DEBUG()) { - if (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_to_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 len) -{ - int pos = 0, start_offset = 0; - unsigned char c; - while (len--) { - c = str[pos]; - switch(c) { - case '\b': - case '\n': - case '\r': - case '\t': - case '"': - case '\\': - 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); - else if(c == '\\') printbuf_memappend(pb, "\\\\", 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++; - } - } - 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 *jso) -{ - if(jso) { - jso->_ref_count++; - } - return jso; -} - -extern void json_object_put(struct json_object *jso) -{ - if(jso) { - jso->_ref_count--; - if(!jso->_ref_count) jso->_delete(jso); - } -} - - -/* generic object construction and destruction parts */ - -static void json_object_generic_delete(struct json_object* jso) -{ -#ifdef REFCOUNT_DEBUG - MC_DEBUG("json_object_delete_%s: %p\n", - json_type_to_name(jso->o_type), jso); - lh_table_delete(json_object_table, jso); -#endif /* REFCOUNT_DEBUG */ - printbuf_free(jso->_pb); - free(jso); -} - -static struct json_object* json_object_new(enum json_type o_type) -{ - struct json_object *jso; - - jso = (struct json_object*)calloc(sizeof(struct json_object), 1); - if(!jso) return NULL; - jso->o_type = o_type; - jso->_ref_count = 1; - jso->_delete = &json_object_generic_delete; -#ifdef REFCOUNT_DEBUG - lh_table_insert(json_object_table, jso, jso); - MC_DEBUG("json_object_new_%s: %p\n", json_type_to_name(jso->o_type), jso); -#endif /* REFCOUNT_DEBUG */ - return jso; -} - - -/* type checking functions */ - -int json_object_is_type(struct json_object *jso, enum json_type type) -{ - if (!jso) - return (type == json_type_null); - return (jso->o_type == type); -} - -enum json_type json_object_get_type(struct json_object *jso) -{ - if (!jso) - return json_type_null; - return jso->o_type; -} - -/* json_object_to_json_string */ - -const char* json_object_to_json_string(struct json_object *jso) -{ - if(!jso) return "null"; - if(!jso->_pb) { - if(!(jso->_pb = printbuf_new())) return NULL; - } else { - printbuf_reset(jso->_pb); - } - if(jso->_to_json_string(jso, jso->_pb) < 0) return NULL; - return jso->_pb->buf; -} - - -/* json_object_object */ - -static int json_object_object_to_json_string(struct json_object* jso, - 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(jso, iter) { - if(i) sprintbuf(pb, ","); - sprintbuf(pb, " \""); - json_escape_str(pb, iter.key, strlen(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* jso) -{ - lh_table_free(jso->o.c_object); - json_object_generic_delete(jso); -} - -struct json_object* json_object_new_object(void) -{ - struct json_object *jso = json_object_new(json_type_object); - if(!jso) return NULL; - jso->_delete = &json_object_object_delete; - jso->_to_json_string = &json_object_object_to_json_string; - jso->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTRIES, - NULL, &json_object_lh_entry_free); - return jso; -} - -struct lh_table* json_object_get_object(struct json_object *jso) -{ - if(!jso) return NULL; - switch(jso->o_type) { - case json_type_object: - return jso->o.c_object; - default: - return NULL; - } -} - -void json_object_object_add(struct json_object* jso, const char *key, - struct json_object *val) -{ - lh_table_delete(jso->o.c_object, key); - lh_table_insert(jso->o.c_object, strdup(key), val); -} - -struct json_object* json_object_object_get(struct json_object* jso, const char *key) -{ - struct json_object *result; - json_object_object_get_ex(jso, key, &result); - return result; -} - -json_bool json_object_object_get_ex(struct json_object* jso, const char *key, struct json_object **value) -{ - if (NULL == jso) return FALSE; - - switch(jso->o_type) { - case json_type_object: - return lh_table_lookup_ex(jso->o.c_object, (void*)key, (void**)value); - default: - if (value != NULL) { - *value = NULL; - } - return FALSE; - } -} - -void json_object_object_del(struct json_object* jso, const char *key) -{ - lh_table_delete(jso->o.c_object, key); -} - - -/* json_object_boolean */ - -static int json_object_boolean_to_json_string(struct json_object* jso, - struct printbuf *pb) -{ - if(jso->o.c_boolean) return sprintbuf(pb, "true"); - else return sprintbuf(pb, "false"); -} - -struct json_object* json_object_new_boolean(json_bool b) -{ - struct json_object *jso = json_object_new(json_type_boolean); - if(!jso) return NULL; - jso->_to_json_string = &json_object_boolean_to_json_string; - jso->o.c_boolean = b; - return jso; -} - -json_bool json_object_get_boolean(struct json_object *jso) -{ - if(!jso) return FALSE; - switch(jso->o_type) { - case json_type_boolean: - return jso->o.c_boolean; - case json_type_int: - return (jso->o.c_int64 != 0); - case json_type_double: - return (jso->o.c_double != 0); - case json_type_string: - return (jso->o.c_string.len != 0); - default: - return FALSE; - } -} - - -/* json_object_int */ - -static int json_object_int_to_json_string(struct json_object* jso, - struct printbuf *pb) -{ - return sprintbuf(pb, "%"PRId64, jso->o.c_int64); -} - -struct json_object* json_object_new_int(int32_t i) -{ - struct json_object *jso = json_object_new(json_type_int); - if(!jso) return NULL; - jso->_to_json_string = &json_object_int_to_json_string; - jso->o.c_int64 = i; - return jso; -} - -int32_t json_object_get_int(struct json_object *jso) -{ - int64_t cint64; - enum json_type o_type; - - if(!jso) return 0; - - o_type = jso->o_type; - cint64 = jso->o.c_int64; - - if (o_type == json_type_string) - { - /* - * Parse strings into 64-bit numbers, then use the - * 64-to-32-bit number handling below. - */ - if (json_parse_int64(jso->o.c_string.str, &cint64) != 0) - return 0; /* whoops, it didn't work. */ - o_type = json_type_int; - } - - switch(o_type) { - case json_type_int: - /* Make sure we return the correct values for out of range numbers. */ - if (cint64 <= INT32_MIN) - return INT32_MIN; - else if (cint64 >= INT32_MAX) - return INT32_MAX; - else - return (int32_t)cint64; - case json_type_double: - return (int32_t)jso->o.c_double; - case json_type_boolean: - return jso->o.c_boolean; - default: - return 0; - } -} - -struct json_object* json_object_new_int64(int64_t i) -{ - struct json_object *jso = json_object_new(json_type_int); - if(!jso) return NULL; - jso->_to_json_string = &json_object_int_to_json_string; - jso->o.c_int64 = i; - return jso; -} - -int64_t json_object_get_int64(struct json_object *jso) -{ - int64_t cint; - - if(!jso) return 0; - switch(jso->o_type) { - case json_type_int: - return jso->o.c_int64; - case json_type_double: - return (int64_t)jso->o.c_double; - case json_type_boolean: - return jso->o.c_boolean; - case json_type_string: - if (json_parse_int64(jso->o.c_string.str, &cint) == 0) return cint; - default: - return 0; - } -} - - -/* json_object_double */ - -static int json_object_double_to_json_string(struct json_object* jso, - struct printbuf *pb) -{ - return sprintbuf(pb, "%lf", jso->o.c_double); -} - -struct json_object* json_object_new_double(double d) -{ - struct json_object *jso = json_object_new(json_type_double); - if(!jso) return NULL; - jso->_to_json_string = &json_object_double_to_json_string; - jso->o.c_double = d; - return jso; -} - -double json_object_get_double(struct json_object *jso) -{ - double cdouble; - - if(!jso) return 0.0; - switch(jso->o_type) { - case json_type_double: - return jso->o.c_double; - case json_type_int: - return jso->o.c_int64; - case json_type_boolean: - return jso->o.c_boolean; - case json_type_string: - if(sscanf(jso->o.c_string.str, "%lf", &cdouble) == 1) return cdouble; - default: - return 0.0; - } -} - - -/* json_object_string */ - -static int json_object_string_to_json_string(struct json_object* jso, - struct printbuf *pb) -{ - sprintbuf(pb, "\""); - json_escape_str(pb, jso->o.c_string.str, jso->o.c_string.len); - sprintbuf(pb, "\""); - return 0; -} - -static void json_object_string_delete(struct json_object* jso) -{ - free(jso->o.c_string.str); - json_object_generic_delete(jso); -} - -struct json_object* json_object_new_string(const char *s) -{ - struct json_object *jso = json_object_new(json_type_string); - if(!jso) return NULL; - jso->_delete = &json_object_string_delete; - jso->_to_json_string = &json_object_string_to_json_string; - jso->o.c_string.str = strdup(s); - jso->o.c_string.len = strlen(s); - return jso; -} - -struct json_object* json_object_new_string_len(const char *s, int len) -{ - struct json_object *jso = json_object_new(json_type_string); - if(!jso) return NULL; - jso->_delete = &json_object_string_delete; - jso->_to_json_string = &json_object_string_to_json_string; - jso->o.c_string.str = malloc(len); - memcpy(jso->o.c_string.str, (void *)s, len); - jso->o.c_string.len = len; - return jso; -} - -const char* json_object_get_string(struct json_object *jso) -{ - if(!jso) return NULL; - switch(jso->o_type) { - case json_type_string: - return jso->o.c_string.str; - default: - return json_object_to_json_string(jso); - } -} - -int json_object_get_string_len(struct json_object *jso) { - if(!jso) return 0; - switch(jso->o_type) { - case json_type_string: - return jso->o.c_string.len; - default: - return 0; - } -} - - -/* json_object_array */ - -static int json_object_array_to_json_string(struct json_object* jso, - struct printbuf *pb) -{ - int i; - sprintbuf(pb, "["); - for(i=0; i < json_object_array_length(jso); i++) { - struct json_object *val; - if(i) { sprintbuf(pb, ", "); } - else { sprintbuf(pb, " "); } - - val = json_object_array_get_idx(jso, 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* jso) -{ - array_list_free(jso->o.c_array); - json_object_generic_delete(jso); -} - -struct json_object* json_object_new_array(void) -{ - struct json_object *jso = json_object_new(json_type_array); - if(!jso) return NULL; - jso->_delete = &json_object_array_delete; - jso->_to_json_string = &json_object_array_to_json_string; - jso->o.c_array = array_list_new(&json_object_array_entry_free); - return jso; -} - -struct array_list* json_object_get_array(struct json_object *jso) -{ - if(!jso) return NULL; - switch(jso->o_type) { - case json_type_array: - return jso->o.c_array; - default: - return NULL; - } -} - -void json_object_array_sort(struct json_object *jso, int(*sort_fn)(const void *, const void *)) -{ - array_list_sort(jso->o.c_array, sort_fn); -} - -int json_object_array_length(struct json_object *jso) -{ - return array_list_length(jso->o.c_array); -} - -int json_object_array_add(struct json_object *jso,struct json_object *val) -{ - return array_list_add(jso->o.c_array, val); -} - -int json_object_array_put_idx(struct json_object *jso, int idx, - struct json_object *val) -{ - return array_list_put_idx(jso->o.c_array, idx, val); -} - -struct json_object* json_object_array_get_idx(struct json_object *jso, - int idx) -{ - return (struct json_object*)array_list_get_idx(jso->o.c_array, idx); -} - +/* + * $Id: json_object.c,v 1.17 2006/07/25 03:24:50 mclark Exp $ + * + * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd. + * Michael Clark + * Copyright (c) 2009 Hewlett-Packard Development Company, L.P. + * + * 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 +#include +#include +#include +#include +#include + +#include "debug.h" +#include "printbuf.h" +#include "linkhash.h" +#include "arraylist.h" +#include "json_inttypes.h" +#include "json_object.h" +#include "json_object_private.h" +#include "json_util.h" +#include "math_compat.h" + +#if !defined(HAVE_STRDUP) && defined(_MSC_VER) + /* MSC has the version as _strdup */ +# define strdup _strdup +#elif !defined(HAVE_STRDUP) +# error You do not have strdup on your system. +#endif /* HAVE_STRDUP */ + +#if !defined(HAVE_SNPRINTF) && defined(_MSC_VER) + /* MSC has the version as _snprintf */ +# define snprintf _snprintf +#elif !defined(HAVE_SNPRINTF) +# error You do not have snprintf on your system. +#endif /* HAVE_SNPRINTF */ + +// Don't define this. It's not thread-safe. +/* #define REFCOUNT_DEBUG 1 */ + +const char *json_number_chars = "0123456789.+-eE"; +const char *json_hex_chars = "0123456789abcdefABCDEF"; + +static void json_object_generic_delete(struct json_object* jso); +static struct json_object* json_object_new(enum json_type o_type); + +static json_object_to_json_string_fn json_object_object_to_json_string; +static json_object_to_json_string_fn json_object_boolean_to_json_string; +static json_object_to_json_string_fn json_object_int_to_json_string; +static json_object_to_json_string_fn json_object_double_to_json_string; +static json_object_to_json_string_fn json_object_string_to_json_string; +static json_object_to_json_string_fn json_object_array_to_json_string; + + +/* ref count debugging */ + +#ifdef REFCOUNT_DEBUG + +static struct lh_table *json_object_table; + +static void json_object_init(void) __attribute__ ((constructor)); +static void json_object_init(void) { + 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(void) __attribute__ ((destructor)); +static void json_object_fini(void) +{ + struct lh_entry *ent; + if (MC_GET_DEBUG()) + { + if (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_to_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 len) +{ + int pos = 0, start_offset = 0; + unsigned char c; + while (len--) + { + c = str[pos]; + switch(c) + { + case '\b': + case '\n': + case '\r': + case '\t': + case '\f': + case '"': + case '\\': + 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 == '\f') printbuf_memappend(pb, "\\f", 2); + else if(c == '"') printbuf_memappend(pb, "\\\"", 2); + else if(c == '\\') printbuf_memappend(pb, "\\\\", 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++; + } + } + 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 *jso) +{ + if (jso) + jso->_ref_count++; + return jso; +} + +int json_object_put(struct json_object *jso) +{ + if(jso) + { + jso->_ref_count--; + if(!jso->_ref_count) + { + if (jso->_user_delete) + jso->_user_delete(jso, jso->_userdata); + jso->_delete(jso); + return 1; + } + } + return 0; +} + + +/* generic object construction and destruction parts */ + +static void json_object_generic_delete(struct json_object* jso) +{ +#ifdef REFCOUNT_DEBUG + MC_DEBUG("json_object_delete_%s: %p\n", + json_type_to_name(jso->o_type), jso); + lh_table_delete(json_object_table, jso); +#endif /* REFCOUNT_DEBUG */ + printbuf_free(jso->_pb); + free(jso); +} + +static struct json_object* json_object_new(enum json_type o_type) +{ + struct json_object *jso; + + jso = (struct json_object*)calloc(sizeof(struct json_object), 1); + if (!jso) + return NULL; + jso->o_type = o_type; + jso->_ref_count = 1; + jso->_delete = &json_object_generic_delete; +#ifdef REFCOUNT_DEBUG + lh_table_insert(json_object_table, jso, jso); + MC_DEBUG("json_object_new_%s: %p\n", json_type_to_name(jso->o_type), jso); +#endif /* REFCOUNT_DEBUG */ + return jso; +} + + +/* type checking functions */ + +int json_object_is_type(struct json_object *jso, enum json_type type) +{ + if (!jso) + return (type == json_type_null); + return (jso->o_type == type); +} + +enum json_type json_object_get_type(struct json_object *jso) +{ + if (!jso) + return json_type_null; + return jso->o_type; +} + +/* set a custom conversion to string */ + +void json_object_set_serializer(json_object *jso, + json_object_to_json_string_fn to_string_func, + void *userdata, + json_object_delete_fn *user_delete) +{ + // First, clean up any previously existing user info + if (jso->_user_delete) + { + jso->_user_delete(jso, jso->_userdata); + } + jso->_userdata = NULL; + jso->_user_delete = NULL; + + if (to_string_func == NULL) + { + // Reset to the standard serialization function + switch(jso->o_type) + { + case json_type_null: + jso->_to_json_string = NULL; + break; + case json_type_boolean: + jso->_to_json_string = &json_object_boolean_to_json_string; + break; + case json_type_double: + jso->_to_json_string = &json_object_double_to_json_string; + break; + case json_type_int: + jso->_to_json_string = &json_object_int_to_json_string; + break; + case json_type_object: + jso->_to_json_string = &json_object_object_to_json_string; + break; + case json_type_array: + jso->_to_json_string = &json_object_array_to_json_string; + break; + case json_type_string: + jso->_to_json_string = &json_object_string_to_json_string; + break; + } + return; + } + + jso->_to_json_string = to_string_func; + jso->_userdata = userdata; + jso->_user_delete = user_delete; +} + + +/* extended conversion to string */ + +const char* json_object_to_json_string_ext(struct json_object *jso, int flags) +{ + if (!jso) + return "null"; + + if ((!jso->_pb) && !(jso->_pb = printbuf_new())) + return NULL; + + printbuf_reset(jso->_pb); + + if(jso->_to_json_string(jso, jso->_pb, 0, flags) < 0) + return NULL; + + return jso->_pb->buf; +} + +/* backwards-compatible conversion to string */ + +const char* json_object_to_json_string(struct json_object *jso) +{ + return json_object_to_json_string_ext(jso, JSON_C_TO_STRING_SPACED); +} + +static void indent(struct printbuf *pb, int level, int flags) +{ + if (flags & JSON_C_TO_STRING_PRETTY) + { + if (flags & JSON_C_TO_STRING_PRETTY_TAB) + { + printbuf_memset(pb, -1, '\t', level); + } + else + { + printbuf_memset(pb, -1, ' ', level * 2); + } + } +} + +/* json_object_object */ + +static int json_object_object_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + int had_children = 0; + struct json_object_iter iter; + + sprintbuf(pb, "{" /*}*/); + if (flags & JSON_C_TO_STRING_PRETTY) + sprintbuf(pb, "\n"); + json_object_object_foreachC(jso, iter) + { + if (had_children) + { + sprintbuf(pb, ","); + if (flags & JSON_C_TO_STRING_PRETTY) + sprintbuf(pb, "\n"); + } + had_children = 1; + if (flags & JSON_C_TO_STRING_SPACED) + sprintbuf(pb, " "); + indent(pb, level+1, flags); + sprintbuf(pb, "\""); + json_escape_str(pb, iter.key, strlen(iter.key)); + if (flags & JSON_C_TO_STRING_SPACED) + sprintbuf(pb, "\": "); + else + sprintbuf(pb, "\":"); + if(iter.val == NULL) + sprintbuf(pb, "null"); + else + iter.val->_to_json_string(iter.val, pb, level+1,flags); + } + if (flags & JSON_C_TO_STRING_PRETTY) + { + if (had_children) + sprintbuf(pb, "\n"); + indent(pb,level,flags); + } + if (flags & JSON_C_TO_STRING_SPACED) + return sprintbuf(pb, /*{*/ " }"); + else + 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* jso) +{ + lh_table_free(jso->o.c_object); + json_object_generic_delete(jso); +} + +struct json_object* json_object_new_object(void) +{ + struct json_object *jso = json_object_new(json_type_object); + if (!jso) + return NULL; + jso->_delete = &json_object_object_delete; + jso->_to_json_string = &json_object_object_to_json_string; + jso->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTRIES, + NULL, &json_object_lh_entry_free); + if (!jso->o.c_object) + { + json_object_generic_delete(jso); + errno = ENOMEM; + return NULL; + } + return jso; +} + +struct lh_table* json_object_get_object(struct json_object *jso) +{ + if (!jso) + return NULL; + switch(jso->o_type) + { + case json_type_object: + return jso->o.c_object; + default: + return NULL; + } +} + +void json_object_object_add(struct json_object* jso, const char *key, + struct json_object *val) +{ + // We lookup the entry and replace the value, rather than just deleting + // and re-adding it, so the existing key remains valid. + json_object *existing_value = NULL; + struct lh_entry *existing_entry; + existing_entry = lh_table_lookup_entry(jso->o.c_object, (void*)key); + if (!existing_entry) + { + lh_table_insert(jso->o.c_object, strdup(key), val); + return; + } + existing_value = (json_object *)existing_entry->v; + if (existing_value) + json_object_put(existing_value); + existing_entry->v = val; +} + +int json_object_object_length(struct json_object *jso) +{ + return lh_table_length(jso->o.c_object); +} + +struct json_object* json_object_object_get(struct json_object* jso, const char *key) +{ + struct json_object *result = NULL; + json_object_object_get_ex(jso, key, &result); + return result; +} + +json_bool json_object_object_get_ex(struct json_object* jso, const char *key, struct json_object **value) +{ + if (value != NULL) + *value = NULL; + + if (NULL == jso) + return FALSE; + + switch(jso->o_type) + { + case json_type_object: + return lh_table_lookup_ex(jso->o.c_object, (void*)key, (void**)value); + default: + if (value != NULL) + *value = NULL; + return FALSE; + } +} + +void json_object_object_del(struct json_object* jso, const char *key) +{ + lh_table_delete(jso->o.c_object, key); +} + + +/* json_object_boolean */ + +static int json_object_boolean_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + if (jso->o.c_boolean) + return sprintbuf(pb, "true"); + else + return sprintbuf(pb, "false"); +} + +struct json_object* json_object_new_boolean(json_bool b) +{ + struct json_object *jso = json_object_new(json_type_boolean); + if (!jso) + return NULL; + jso->_to_json_string = &json_object_boolean_to_json_string; + jso->o.c_boolean = b; + return jso; +} + +json_bool json_object_get_boolean(struct json_object *jso) +{ + if (!jso) + return FALSE; + switch(jso->o_type) + { + case json_type_boolean: + return jso->o.c_boolean; + case json_type_int: + return (jso->o.c_int64 != 0); + case json_type_double: + return (jso->o.c_double != 0); + case json_type_string: + return (jso->o.c_string.len != 0); + default: + return FALSE; + } +} + + +/* json_object_int */ + +static int json_object_int_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + return sprintbuf(pb, "%"PRId64, jso->o.c_int64); +} + +struct json_object* json_object_new_int(int32_t i) +{ + struct json_object *jso = json_object_new(json_type_int); + if (!jso) + return NULL; + jso->_to_json_string = &json_object_int_to_json_string; + jso->o.c_int64 = i; + return jso; +} + +int32_t json_object_get_int(struct json_object *jso) +{ + int64_t cint64; + enum json_type o_type; + + if(!jso) return 0; + + o_type = jso->o_type; + cint64 = jso->o.c_int64; + + if (o_type == json_type_string) + { + /* + * Parse strings into 64-bit numbers, then use the + * 64-to-32-bit number handling below. + */ + if (json_parse_int64(jso->o.c_string.str, &cint64) != 0) + return 0; /* whoops, it didn't work. */ + o_type = json_type_int; + } + + switch(o_type) { + case json_type_int: + /* Make sure we return the correct values for out of range numbers. */ + if (cint64 <= INT32_MIN) + return INT32_MIN; + else if (cint64 >= INT32_MAX) + return INT32_MAX; + else + return (int32_t)cint64; + case json_type_double: + return (int32_t)jso->o.c_double; + case json_type_boolean: + return jso->o.c_boolean; + default: + return 0; + } +} + +struct json_object* json_object_new_int64(int64_t i) +{ + struct json_object *jso = json_object_new(json_type_int); + if (!jso) + return NULL; + jso->_to_json_string = &json_object_int_to_json_string; + jso->o.c_int64 = i; + return jso; +} + +int64_t json_object_get_int64(struct json_object *jso) +{ + int64_t cint; + + if (!jso) + return 0; + switch(jso->o_type) + { + case json_type_int: + return jso->o.c_int64; + case json_type_double: + return (int64_t)jso->o.c_double; + case json_type_boolean: + return jso->o.c_boolean; + case json_type_string: + if (json_parse_int64(jso->o.c_string.str, &cint) == 0) + return cint; + default: + return 0; + } +} + + +/* json_object_double */ + +static int json_object_double_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + char buf[128], *p, *q; + int size; + /* Although JSON RFC does not support + NaN or Infinity as numeric values + ECMA 262 section 9.8.1 defines + how to handle these cases as strings */ + if(isnan(jso->o.c_double)) + size = snprintf(buf, sizeof(buf), "NaN"); + else if(isinf(jso->o.c_double)) + if(jso->o.c_double > 0) + size = snprintf(buf, sizeof(buf), "Infinity"); + else + size = snprintf(buf, sizeof(buf), "-Infinity"); + else + size = snprintf(buf, sizeof(buf), "%.17g", jso->o.c_double); + + p = strchr(buf, ','); + if (p) { + *p = '.'; + } else { + p = strchr(buf, '.'); + } + if (p && (flags & JSON_C_TO_STRING_NOZERO)) { + /* last useful digit, always keep 1 zero */ + p++; + for (q=p ; *q ; q++) { + if (*q!='0') p=q; + } + /* drop trailing zeroes */ + *(++p) = 0; + size = p-buf; + } + printbuf_memappend(pb, buf, size); + return size; +} + +struct json_object* json_object_new_double(double d) +{ + struct json_object *jso = json_object_new(json_type_double); + if (!jso) + return NULL; + jso->_to_json_string = &json_object_double_to_json_string; + jso->o.c_double = d; + return jso; +} + +struct json_object* json_object_new_double_s(double d, const char *ds) +{ + struct json_object *jso = json_object_new_double(d); + if (!jso) + return NULL; + + char *new_ds = strdup(ds); + if (!new_ds) + { + json_object_generic_delete(jso); + errno = ENOMEM; + return NULL; + } + json_object_set_serializer(jso, json_object_userdata_to_json_string, + new_ds, json_object_free_userdata); + return jso; +} + +int json_object_userdata_to_json_string(struct json_object *jso, + struct printbuf *pb, int level, int flags) +{ + int userdata_len = strlen((const char *)jso->_userdata); + printbuf_memappend(pb, (const char *)jso->_userdata, userdata_len); + return userdata_len; +} + +void json_object_free_userdata(struct json_object *jso, void *userdata) +{ + free(userdata); +} + +double json_object_get_double(struct json_object *jso) +{ + double cdouble; + char *errPtr = NULL; + + if(!jso) return 0.0; + switch(jso->o_type) { + case json_type_double: + return jso->o.c_double; + case json_type_int: + return jso->o.c_int64; + case json_type_boolean: + return jso->o.c_boolean; + case json_type_string: + errno = 0; + cdouble = strtod(jso->o.c_string.str,&errPtr); + + /* if conversion stopped at the first character, return 0.0 */ + if (errPtr == jso->o.c_string.str) + return 0.0; + + /* + * Check that the conversion terminated on something sensible + * + * For example, { "pay" : 123AB } would parse as 123. + */ + if (*errPtr != '\0') + return 0.0; + + /* + * If strtod encounters a string which would exceed the + * capacity of a double, it returns +/- HUGE_VAL and sets + * errno to ERANGE. But +/- HUGE_VAL is also a valid result + * from a conversion, so we need to check errno. + * + * Underflow also sets errno to ERANGE, but it returns 0 in + * that case, which is what we will return anyway. + * + * See CERT guideline ERR30-C + */ + if ((HUGE_VAL == cdouble || -HUGE_VAL == cdouble) && + (ERANGE == errno)) + cdouble = 0.0; + return cdouble; + default: + return 0.0; + } +} + + +/* json_object_string */ + +static int json_object_string_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + sprintbuf(pb, "\""); + json_escape_str(pb, jso->o.c_string.str, jso->o.c_string.len); + sprintbuf(pb, "\""); + return 0; +} + +static void json_object_string_delete(struct json_object* jso) +{ + free(jso->o.c_string.str); + json_object_generic_delete(jso); +} + +struct json_object* json_object_new_string(const char *s) +{ + struct json_object *jso = json_object_new(json_type_string); + if (!jso) + return NULL; + jso->_delete = &json_object_string_delete; + jso->_to_json_string = &json_object_string_to_json_string; + jso->o.c_string.str = strdup(s); + if (!jso->o.c_string.str) + { + json_object_generic_delete(jso); + errno = ENOMEM; + return NULL; + } + jso->o.c_string.len = strlen(s); + return jso; +} + +struct json_object* json_object_new_string_len(const char *s, int len) +{ + struct json_object *jso = json_object_new(json_type_string); + if (!jso) + return NULL; + jso->_delete = &json_object_string_delete; + jso->_to_json_string = &json_object_string_to_json_string; + jso->o.c_string.str = (char*)malloc(len + 1); + if (!jso->o.c_string.str) + { + json_object_generic_delete(jso); + errno = ENOMEM; + return NULL; + } + memcpy(jso->o.c_string.str, (void *)s, len); + jso->o.c_string.str[len] = '\0'; + jso->o.c_string.len = len; + return jso; +} + +const char* json_object_get_string(struct json_object *jso) +{ + if (!jso) + return NULL; + switch(jso->o_type) + { + case json_type_string: + return jso->o.c_string.str; + default: + return json_object_to_json_string(jso); + } +} + +int json_object_get_string_len(struct json_object *jso) +{ + if (!jso) + return 0; + switch(jso->o_type) + { + case json_type_string: + return jso->o.c_string.len; + default: + return 0; + } +} + + +/* json_object_array */ + +static int json_object_array_to_json_string(struct json_object* jso, + struct printbuf *pb, + int level, + int flags) +{ + int had_children = 0; + int ii; + sprintbuf(pb, "["); + if (flags & JSON_C_TO_STRING_PRETTY) + sprintbuf(pb, "\n"); + for(ii=0; ii < json_object_array_length(jso); ii++) + { + struct json_object *val; + if (had_children) + { + sprintbuf(pb, ","); + if (flags & JSON_C_TO_STRING_PRETTY) + sprintbuf(pb, "\n"); + } + had_children = 1; + if (flags & JSON_C_TO_STRING_SPACED) + sprintbuf(pb, " "); + indent(pb, level + 1, flags); + val = json_object_array_get_idx(jso, ii); + if(val == NULL) + sprintbuf(pb, "null"); + else + val->_to_json_string(val, pb, level+1, flags); + } + if (flags & JSON_C_TO_STRING_PRETTY) + { + if (had_children) + sprintbuf(pb, "\n"); + indent(pb,level,flags); + } + + if (flags & JSON_C_TO_STRING_SPACED) + return sprintbuf(pb, " ]"); + else + 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* jso) +{ + array_list_free(jso->o.c_array); + json_object_generic_delete(jso); +} + +struct json_object* json_object_new_array(void) +{ + struct json_object *jso = json_object_new(json_type_array); + if (!jso) + return NULL; + jso->_delete = &json_object_array_delete; + jso->_to_json_string = &json_object_array_to_json_string; + jso->o.c_array = array_list_new(&json_object_array_entry_free); + return jso; +} + +struct array_list* json_object_get_array(struct json_object *jso) +{ + if (!jso) + return NULL; + switch(jso->o_type) + { + case json_type_array: + return jso->o.c_array; + default: + return NULL; + } +} + +void json_object_array_sort(struct json_object *jso, int(*sort_fn)(const void *, const void *)) +{ + array_list_sort(jso->o.c_array, sort_fn); +} + +struct json_object* json_object_array_bsearch( + const struct json_object *key, + const struct json_object *jso, + int (*sort_fn)(const void *, const void *)) +{ + struct json_object **result; + + result = (struct json_object **)array_list_bsearch( + (const void **)&key, jso->o.c_array, sort_fn); + + if (!result) + return NULL; + return *result; +} + +int json_object_array_length(struct json_object *jso) +{ + return array_list_length(jso->o.c_array); +} + +int json_object_array_add(struct json_object *jso,struct json_object *val) +{ + return array_list_add(jso->o.c_array, val); +} + +int json_object_array_put_idx(struct json_object *jso, int idx, + struct json_object *val) +{ + return array_list_put_idx(jso->o.c_array, idx, val); +} + +struct json_object* json_object_array_get_idx(struct json_object *jso, + int idx) +{ + return (struct json_object*)array_list_get_idx(jso->o.c_array, idx); +} + -- cgit v1.2.3