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oj.h
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oj.h
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// Copyright (c) 2011 Peter Ohler. All rights reserved.
// Licensed under the MIT License. See LICENSE file in the project root for license details.
#ifndef OJ_H
#define OJ_H
#if defined(cplusplus)
extern "C" {
#if 0
} /* satisfy cc-mode */
#endif
#endif
#define RSTRING_NOT_MODIFIED
#include <stdbool.h>
#include <stdint.h>
#include "ruby.h"
#include "ruby/encoding.h"
#ifdef HAVE_PTHREAD_MUTEX_INIT
#include <pthread.h>
#endif
#include "cache8.h"
#ifdef RUBINIUS_RUBY
#undef T_RATIONAL
#undef T_COMPLEX
enum st_retval { ST_CONTINUE = 0, ST_STOP = 1, ST_DELETE = 2, ST_CHECK };
#else
#include "ruby/st.h"
#endif
#include "err.h"
#include "rxclass.h"
#define INF_VAL "3.0e14159265358979323846"
#define NINF_VAL "-3.0e14159265358979323846"
#define NAN_VAL "3.3e14159265358979323846"
typedef enum { Yes = 'y', No = 'n', NotSet = 0 } YesNo;
typedef enum {
StrictMode = 's',
ObjectMode = 'o',
NullMode = 'n',
CompatMode = 'c',
RailsMode = 'r',
CustomMode = 'C',
WabMode = 'w',
} Mode;
typedef enum { UnixTime = 'u', UnixZTime = 'z', XmlTime = 'x', RubyTime = 'r' } TimeFormat;
typedef enum {
NLEsc = 'n',
JSONEsc = 'j',
XSSEsc = 'x',
ASCIIEsc = 'a',
JXEsc = 'g', // json gem
RailsXEsc = 'r', // rails xss mode
RailsEsc = 'R', // rails non escape
} Encoding;
typedef enum {
BigDec = 'b',
FloatDec = 'f',
AutoDec = 'a',
FastDec = 'F',
RubyDec = 'r',
} BigLoad;
typedef enum {
ArrayNew = 'A',
ArrayType = 'a',
ObjectNew = 'O',
ObjectType = 'o',
} DumpType;
typedef enum {
AutoNan = 'a',
NullNan = 'n',
HugeNan = 'h',
WordNan = 'w',
RaiseNan = 'r',
} NanDump;
typedef enum {
STRING_IO = 'c',
STREAM_IO = 's',
FILE_IO = 'f',
} StreamWriterType;
typedef enum {
CALLER_DUMP = 'd',
CALLER_TO_JSON = 't',
CALLER_GENERATE = 'g',
// Add the fast versions if necessary. Maybe unparse as well if needed.
} DumpCaller;
typedef struct _dumpOpts {
bool use;
char indent_str[16];
char before_sep[16];
char after_sep[16];
char hash_nl[16];
char array_nl[16];
uint8_t indent_size;
uint8_t before_size;
uint8_t after_size;
uint8_t hash_size;
uint8_t array_size;
char nan_dump; // NanDump
bool omit_nil;
int max_depth;
} * DumpOpts;
typedef struct _options {
int indent; // indention for dump, default 2
char circular; // YesNo
char auto_define; // YesNo
char sym_key; // YesNo
char escape_mode; // Escape_Mode
char mode; // Mode
char class_cache; // YesNo
char time_format; // TimeFormat
char bigdec_as_num; // YesNo
char bigdec_load; // BigLoad
char compat_bigdec; // boolean (0 or 1)
char to_hash; // YesNo
char to_json; // YesNo
char as_json; // YesNo
char raw_json; // YesNo
char nilnil; // YesNo
char empty_string; // YesNo
char allow_gc; // allow GC during parse
char quirks_mode; // allow single JSON values instead of documents
char allow_invalid; // YesNo - allow invalid unicode
char create_ok; // YesNo allow create_id
char allow_nan; // YEsyNo for parsing only
char trace; // YesNo
char safe; // YesNo
char sec_prec_set; // boolean (0 or 1)
char ignore_under; // YesNo - ignore attrs starting with _ if true in object and custom modes
int64_t int_range_min; // dump numbers below as string
int64_t int_range_max; // dump numbers above as string
const char * create_id; // 0 or string
size_t create_id_len; // length of create_id
int sec_prec; // second precision when dumping time
char float_prec; // float precision, linked to float_fmt
char float_fmt[7]; // float format for dumping, if empty use Ruby
VALUE hash_class; // class to use in place of Hash on load
VALUE array_class; // class to use in place of Array on load
struct _dumpOpts dump_opts;
struct _rxClass str_rx;
VALUE * ignore; // Qnil terminated array of classes or NULL
} * Options;
struct _out;
typedef void (*DumpFunc)(VALUE obj, int depth, struct _out *out, bool as_ok);
// rails optimize
typedef struct _rOpt {
VALUE clas;
bool on;
DumpFunc dump;
} * ROpt;
typedef struct _rOptTable {
int len;
int alen;
ROpt table;
} * ROptTable;
typedef struct _out {
char * buf;
char * end;
char * cur;
Cache8 circ_cache;
slot_t circ_cnt;
int indent;
int depth; // used by dump_hash
Options opts;
uint32_t hash_cnt;
bool allocated;
bool omit_nil;
int argc;
VALUE * argv;
DumpCaller caller; // used for the mimic json only
ROptTable ropts;
} * Out;
typedef struct _strWriter {
struct _out out;
struct _options opts;
int depth;
char * types; // DumpType
char * types_end;
int keyWritten;
} * StrWriter;
typedef struct _streamWriter {
struct _strWriter sw;
StreamWriterType type;
VALUE stream;
int fd;
int flush_limit; // indicator of when to flush
} * StreamWriter;
enum { NO_VAL = 0x00, STR_VAL = 0x01, COL_VAL = 0x02, RUBY_VAL = 0x03 };
typedef struct _leaf {
struct _leaf *next;
union {
const char *key; // hash key
size_t index; // array index, 0 is not set
};
union {
char * str; // pointer to location in json string or allocated
struct _leaf *elements; // array and hash elements
VALUE value;
};
uint8_t rtype;
uint8_t parent_type;
uint8_t value_type;
} * Leaf;
extern VALUE oj_saj_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_sc_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_strict_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_strict_sparse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_compat_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_compat_load(int argc, VALUE *argv, VALUE self);
extern VALUE oj_object_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_custom_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_wab_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_strict_parse_cstr(int argc, VALUE *argv, char *json, size_t len);
extern VALUE oj_compat_parse_cstr(int argc, VALUE *argv, char *json, size_t len);
extern VALUE oj_object_parse_cstr(int argc, VALUE *argv, char *json, size_t len);
extern VALUE oj_custom_parse_cstr(int argc, VALUE *argv, char *json, size_t len);
extern void oj_parse_options(VALUE ropts, Options copts);
extern void oj_dump_obj_to_json(VALUE obj, Options copts, Out out);
extern void
oj_dump_obj_to_json_using_params(VALUE obj, Options copts, Out out, int argc, VALUE *argv);
extern void oj_write_obj_to_file(VALUE obj, const char *path, Options copts);
extern void oj_write_obj_to_stream(VALUE obj, VALUE stream, Options copts);
extern void oj_dump_leaf_to_json(Leaf leaf, Options copts, Out out);
extern void oj_write_leaf_to_file(Leaf leaf, const char *path, Options copts);
extern void oj_str_writer_push_key(StrWriter sw, const char *key);
extern void oj_str_writer_push_object(StrWriter sw, const char *key);
extern void oj_str_writer_push_array(StrWriter sw, const char *key);
extern void oj_str_writer_push_value(StrWriter sw, VALUE val, const char *key);
extern void oj_str_writer_push_json(StrWriter sw, const char *json, const char *key);
extern void oj_str_writer_pop(StrWriter sw);
extern void oj_str_writer_pop_all(StrWriter sw);
extern void oj_init_doc(void);
extern void oj_string_writer_init();
extern void oj_stream_writer_init();
extern void oj_str_writer_init(StrWriter sw, int buf_size);
extern VALUE oj_define_mimic_json(int argc, VALUE *argv, VALUE self);
extern VALUE oj_mimic_generate(int argc, VALUE *argv, VALUE self);
extern VALUE oj_mimic_pretty_generate(int argc, VALUE *argv, VALUE self);
extern void oj_parse_mimic_dump_options(VALUE ropts, Options copts);
extern VALUE oj_mimic_parse(int argc, VALUE *argv, VALUE self);
extern VALUE oj_get_json_err_class(const char *err_classname);
extern void oj_parse_opt_match_string(RxClass rc, VALUE ropts);
extern VALUE oj_rails_encode(int argc, VALUE *argv, VALUE self);
extern VALUE Oj;
extern struct _options oj_default_options;
extern rb_encoding * oj_utf8_encoding;
extern VALUE oj_bag_class;
extern VALUE oj_bigdecimal_class;
extern VALUE oj_cstack_class;
extern VALUE oj_date_class;
extern VALUE oj_datetime_class;
extern VALUE oj_doc_class;
extern VALUE oj_enumerable_class;
extern VALUE oj_json_generator_error_class;
extern VALUE oj_json_parser_error_class;
extern VALUE oj_stream_writer_class;
extern VALUE oj_string_writer_class;
extern VALUE oj_stringio_class;
extern VALUE oj_struct_class;
extern VALUE oj_allow_nan_sym;
extern VALUE oj_array_class_sym;
extern VALUE oj_array_nl_sym;
extern VALUE oj_ascii_only_sym;
extern VALUE oj_create_additions_sym;
extern VALUE oj_decimal_class_sym;
extern VALUE oj_hash_class_sym;
extern VALUE oj_indent_sym;
extern VALUE oj_max_nesting_sym;
extern VALUE oj_object_class_sym;
extern VALUE oj_object_nl_sym;
extern VALUE oj_quirks_mode_sym;
extern VALUE oj_space_before_sym;
extern VALUE oj_space_sym;
extern VALUE oj_trace_sym;
extern VALUE oj_slash_string;
extern ID oj_add_value_id;
extern ID oj_array_append_id;
extern ID oj_array_end_id;
extern ID oj_array_start_id;
extern ID oj_as_json_id;
extern ID oj_begin_id;
extern ID oj_bigdecimal_id;
extern ID oj_end_id;
extern ID oj_error_id;
extern ID oj_exclude_end_id;
extern ID oj_file_id;
extern ID oj_fileno_id;
extern ID oj_ftype_id;
extern ID oj_has_key_id;
extern ID oj_hash_end_id;
extern ID oj_hash_key_id;
extern ID oj_hash_set_id;
extern ID oj_hash_start_id;
extern ID oj_iconv_id;
extern ID oj_instance_variables_id;
extern ID oj_json_create_id;
extern ID oj_length_id;
extern ID oj_new_id;
extern ID oj_parse_id;
extern ID oj_pos_id;
extern ID oj_read_id;
extern ID oj_readpartial_id;
extern ID oj_replace_id;
extern ID oj_stat_id;
extern ID oj_string_id;
extern ID oj_raw_json_id;
extern ID oj_to_h_id;
extern ID oj_to_hash_id;
extern ID oj_to_json_id;
extern ID oj_to_s_id;
extern ID oj_to_sym_id;
extern ID oj_to_time_id;
extern ID oj_tv_nsec_id;
extern ID oj_tv_sec_id;
extern ID oj_tv_usec_id;
extern ID oj_utc_id;
extern ID oj_utc_offset_id;
extern ID oj_utcq_id;
extern ID oj_write_id;
extern bool oj_use_hash_alt;
extern bool oj_use_array_alt;
extern bool string_writer_optimized;
#ifdef HAVE_PTHREAD_MUTEX_INIT
extern pthread_mutex_t oj_cache_mutex;
#else
extern VALUE oj_cache_mutex;
#endif
#if defined(cplusplus)
#if 0
{ /* satisfy cc-mode */
#endif
} /* extern "C" { */
#endif
#endif /* OJ_H */