Hacked By AnonymousFox
#include "../fbuffer/fbuffer.h"
#include "generator.h"
#ifdef HAVE_RUBY_ENCODING_H
static VALUE CEncoding_UTF_8;
static ID i_encoding, i_encode;
#endif
static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject,
mHash, mArray,
#ifdef RUBY_INTEGER_UNIFICATION
mInteger,
#else
mFixnum, mBignum,
#endif
mFloat, mString, mString_Extend,
mTrueClass, mFalseClass, mNilClass, eGeneratorError,
eNestingError,
i_SAFE_STATE_PROTOTYPE;
static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before,
i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only,
i_pack, i_unpack, i_create_id, i_extend, i_key_p,
i_aref, i_send, i_respond_to_p, i_match, i_keys, i_depth,
i_buffer_initial_length, i_dup;
/*
* Copyright 2001-2004 Unicode, Inc.
*
* Disclaimer
*
* This source code is provided as is by Unicode, Inc. No claims are
* made as to fitness for any particular purpose. No warranties of any
* kind are expressed or implied. The recipient agrees to determine
* applicability of information provided. If this file has been
* purchased on magnetic or optical media from Unicode, Inc., the
* sole remedy for any claim will be exchange of defective media
* within 90 days of receipt.
*
* Limitations on Rights to Redistribute This Code
*
* Unicode, Inc. hereby grants the right to freely use the information
* supplied in this file in the creation of products supporting the
* Unicode Standard, and to make copies of this file in any form
* for internal or external distribution as long as this notice
* remains attached.
*/
/*
* Index into the table below with the first byte of a UTF-8 sequence to
* get the number of trailing bytes that are supposed to follow it.
* Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is
* left as-is for anyone who may want to do such conversion, which was
* allowed in earlier algorithms.
*/
static const char trailingBytesForUTF8[256] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
};
/*
* Magic values subtracted from a buffer value during UTF8 conversion.
* This table contains as many values as there might be trailing bytes
* in a UTF-8 sequence.
*/
static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
0x03C82080UL, 0xFA082080UL, 0x82082080UL };
/*
* Utility routine to tell whether a sequence of bytes is legal UTF-8.
* This must be called with the length pre-determined by the first byte.
* If not calling this from ConvertUTF8to*, then the length can be set by:
* length = trailingBytesForUTF8[*source]+1;
* and the sequence is illegal right away if there aren't that many bytes
* available.
* If presented with a length > 4, this returns 0. The Unicode
* definition of UTF-8 goes up to 4-byte sequences.
*/
static unsigned char isLegalUTF8(const UTF8 *source, unsigned long length)
{
UTF8 a;
const UTF8 *srcptr = source+length;
switch (length) {
default: return 0;
/* Everything else falls through when "1"... */
case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
case 2: if ((a = (*--srcptr)) > 0xBF) return 0;
switch (*source) {
/* no fall-through in this inner switch */
case 0xE0: if (a < 0xA0) return 0; break;
case 0xED: if (a > 0x9F) return 0; break;
case 0xF0: if (a < 0x90) return 0; break;
case 0xF4: if (a > 0x8F) return 0; break;
default: if (a < 0x80) return 0;
}
case 1: if (*source >= 0x80 && *source < 0xC2) return 0;
}
if (*source > 0xF4) return 0;
return 1;
}
/* Escapes the UTF16 character and stores the result in the buffer buf. */
static void unicode_escape(char *buf, UTF16 character)
{
const char *digits = "0123456789abcdef";
buf[2] = digits[character >> 12];
buf[3] = digits[(character >> 8) & 0xf];
buf[4] = digits[(character >> 4) & 0xf];
buf[5] = digits[character & 0xf];
}
/* Escapes the UTF16 character and stores the result in the buffer buf, then
* the buffer buf is appended to the FBuffer buffer. */
static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16
character)
{
unicode_escape(buf, character);
fbuffer_append(buffer, buf, 6);
}
/* Converts string to a JSON string in FBuffer buffer, where all but the ASCII
* and control characters are JSON escaped. */
static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string)
{
const UTF8 *source = (UTF8 *) RSTRING_PTR(string);
const UTF8 *sourceEnd = source + RSTRING_LEN(string);
char buf[6] = { '\\', 'u' };
while (source < sourceEnd) {
UTF32 ch = 0;
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd) {
rb_raise(rb_path2class("JSON::GeneratorError"),
"partial character in source, but hit end");
}
if (!isLegalUTF8(source, extraBytesToRead+1)) {
rb_raise(rb_path2class("JSON::GeneratorError"),
"source sequence is illegal/malformed utf-8");
}
/*
* The cases all fall through. See "Note A" below.
*/
switch (extraBytesToRead) {
case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 3: ch += *source++; ch <<= 6;
case 2: ch += *source++; ch <<= 6;
case 1: ch += *source++; ch <<= 6;
case 0: ch += *source++;
}
ch -= offsetsFromUTF8[extraBytesToRead];
if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
/* UTF-16 surrogate values are illegal in UTF-32 */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
#if UNI_STRICT_CONVERSION
source -= (extraBytesToRead+1); /* return to the illegal value itself */
rb_raise(rb_path2class("JSON::GeneratorError"),
"source sequence is illegal/malformed utf-8");
#else
unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
#endif
} else {
/* normal case */
if (ch >= 0x20 && ch <= 0x7f) {
switch (ch) {
case '\\':
fbuffer_append(buffer, "\\\\", 2);
break;
case '"':
fbuffer_append(buffer, "\\\"", 2);
break;
default:
fbuffer_append_char(buffer, (char)ch);
break;
}
} else {
switch (ch) {
case '\n':
fbuffer_append(buffer, "\\n", 2);
break;
case '\r':
fbuffer_append(buffer, "\\r", 2);
break;
case '\t':
fbuffer_append(buffer, "\\t", 2);
break;
case '\f':
fbuffer_append(buffer, "\\f", 2);
break;
case '\b':
fbuffer_append(buffer, "\\b", 2);
break;
default:
unicode_escape_to_buffer(buffer, buf, (UTF16) ch);
break;
}
}
}
} else if (ch > UNI_MAX_UTF16) {
#if UNI_STRICT_CONVERSION
source -= (extraBytesToRead+1); /* return to the start */
rb_raise(rb_path2class("JSON::GeneratorError"),
"source sequence is illegal/malformed utf8");
#else
unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
#endif
} else {
/* target is a character in range 0xFFFF - 0x10FFFF. */
ch -= halfBase;
unicode_escape_to_buffer(buffer, buf, (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START));
unicode_escape_to_buffer(buffer, buf, (UTF16)((ch & halfMask) + UNI_SUR_LOW_START));
}
}
RB_GC_GUARD(string);
}
/* Converts string to a JSON string in FBuffer buffer, where only the
* characters required by the JSON standard are JSON escaped. The remaining
* characters (should be UTF8) are just passed through and appended to the
* result. */
static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string)
{
const char *ptr = RSTRING_PTR(string), *p;
unsigned long len = RSTRING_LEN(string), start = 0, end = 0;
const char *escape = NULL;
int escape_len;
unsigned char c;
char buf[6] = { '\\', 'u' };
int ascii_only = rb_enc_str_asciionly_p(string);
for (start = 0, end = 0; end < len;) {
p = ptr + end;
c = (unsigned char) *p;
if (c < 0x20) {
switch (c) {
case '\n':
escape = "\\n";
escape_len = 2;
break;
case '\r':
escape = "\\r";
escape_len = 2;
break;
case '\t':
escape = "\\t";
escape_len = 2;
break;
case '\f':
escape = "\\f";
escape_len = 2;
break;
case '\b':
escape = "\\b";
escape_len = 2;
break;
default:
unicode_escape(buf, (UTF16) *p);
escape = buf;
escape_len = 6;
break;
}
} else {
switch (c) {
case '\\':
escape = "\\\\";
escape_len = 2;
break;
case '"':
escape = "\\\"";
escape_len = 2;
break;
default:
{
unsigned short clen = 1;
if (!ascii_only) {
clen += trailingBytesForUTF8[c];
if (end + clen > len) {
rb_raise(rb_path2class("JSON::GeneratorError"),
"partial character in source, but hit end");
}
if (!isLegalUTF8((UTF8 *) p, clen)) {
rb_raise(rb_path2class("JSON::GeneratorError"),
"source sequence is illegal/malformed utf-8");
}
}
end += clen;
}
continue;
break;
}
}
fbuffer_append(buffer, ptr + start, end - start);
fbuffer_append(buffer, escape, escape_len);
start = ++end;
escape = NULL;
}
fbuffer_append(buffer, ptr + start, end - start);
}
static char *fstrndup(const char *ptr, unsigned long len) {
char *result;
if (len <= 0) return NULL;
result = ALLOC_N(char, len);
memcpy(result, ptr, len);
return result;
}
/*
* Document-module: JSON::Ext::Generator
*
* This is the JSON generator implemented as a C extension. It can be
* configured to be used by setting
*
* JSON.generator = JSON::Ext::Generator
*
* with the method generator= in JSON.
*
*/
/*
* call-seq: to_json(state = nil)
*
* Returns a JSON string containing a JSON object, that is generated from
* this Hash instance.
* _state_ is a JSON::State object, that can also be used to configure the
* produced JSON string output further.
*/
static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(object);
}
/*
* call-seq: to_json(state = nil)
*
* Returns a JSON string containing a JSON array, that is generated from
* this Array instance.
* _state_ is a JSON::State object, that can also be used to configure the
* produced JSON string output further.
*/
static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self) {
GENERATE_JSON(array);
}
#ifdef RUBY_INTEGER_UNIFICATION
/*
* call-seq: to_json(*)
*
* Returns a JSON string representation for this Integer number.
*/
static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(integer);
}
#else
/*
* call-seq: to_json(*)
*
* Returns a JSON string representation for this Integer number.
*/
static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(fixnum);
}
/*
* call-seq: to_json(*)
*
* Returns a JSON string representation for this Integer number.
*/
static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(bignum);
}
#endif
/*
* call-seq: to_json(*)
*
* Returns a JSON string representation for this Float number.
*/
static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(float);
}
/*
* call-seq: String.included(modul)
*
* Extends _modul_ with the String::Extend module.
*/
static VALUE mString_included_s(VALUE self, VALUE modul) {
VALUE result = rb_funcall(modul, i_extend, 1, mString_Extend);
return result;
}
/*
* call-seq: to_json(*)
*
* This string should be encoded with UTF-8 A call to this method
* returns a JSON string encoded with UTF16 big endian characters as
* \u????.
*/
static VALUE mString_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(string);
}
/*
* call-seq: to_json_raw_object()
*
* This method creates a raw object hash, that can be nested into
* other data structures and will be generated as a raw string. This
* method should be used, if you want to convert raw strings to JSON
* instead of UTF-8 strings, e. g. binary data.
*/
static VALUE mString_to_json_raw_object(VALUE self)
{
VALUE ary;
VALUE result = rb_hash_new();
rb_hash_aset(result, rb_funcall(mJSON, i_create_id, 0), rb_class_name(rb_obj_class(self)));
ary = rb_funcall(self, i_unpack, 1, rb_str_new2("C*"));
rb_hash_aset(result, rb_str_new2("raw"), ary);
return result;
}
/*
* call-seq: to_json_raw(*args)
*
* This method creates a JSON text from the result of a call to
* to_json_raw_object of this String.
*/
static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self)
{
VALUE obj = mString_to_json_raw_object(self);
Check_Type(obj, T_HASH);
return mHash_to_json(argc, argv, obj);
}
/*
* call-seq: json_create(o)
*
* Raw Strings are JSON Objects (the raw bytes are stored in an array for the
* key "raw"). The Ruby String can be created by this module method.
*/
static VALUE mString_Extend_json_create(VALUE self, VALUE o)
{
VALUE ary;
Check_Type(o, T_HASH);
ary = rb_hash_aref(o, rb_str_new2("raw"));
return rb_funcall(ary, i_pack, 1, rb_str_new2("C*"));
}
/*
* call-seq: to_json(*)
*
* Returns a JSON string for true: 'true'.
*/
static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(true);
}
/*
* call-seq: to_json(*)
*
* Returns a JSON string for false: 'false'.
*/
static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(false);
}
/*
* call-seq: to_json(*)
*
* Returns a JSON string for nil: 'null'.
*/
static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self)
{
GENERATE_JSON(null);
}
/*
* call-seq: to_json(*)
*
* Converts this object to a string (calling #to_s), converts
* it to a JSON string, and returns the result. This is a fallback, if no
* special method #to_json was defined for some object.
*/
static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self)
{
VALUE state;
VALUE string = rb_funcall(self, i_to_s, 0);
rb_scan_args(argc, argv, "01", &state);
Check_Type(string, T_STRING);
state = cState_from_state_s(cState, state);
return cState_partial_generate(state, string);
}
static void State_free(void *ptr)
{
JSON_Generator_State *state = ptr;
if (state->indent) ruby_xfree(state->indent);
if (state->space) ruby_xfree(state->space);
if (state->space_before) ruby_xfree(state->space_before);
if (state->object_nl) ruby_xfree(state->object_nl);
if (state->array_nl) ruby_xfree(state->array_nl);
if (state->array_delim) fbuffer_free(state->array_delim);
if (state->object_delim) fbuffer_free(state->object_delim);
if (state->object_delim2) fbuffer_free(state->object_delim2);
ruby_xfree(state);
}
static size_t State_memsize(const void *ptr)
{
const JSON_Generator_State *state = ptr;
size_t size = sizeof(*state);
if (state->indent) size += state->indent_len + 1;
if (state->space) size += state->space_len + 1;
if (state->space_before) size += state->space_before_len + 1;
if (state->object_nl) size += state->object_nl_len + 1;
if (state->array_nl) size += state->array_nl_len + 1;
if (state->array_delim) size += FBUFFER_CAPA(state->array_delim);
if (state->object_delim) size += FBUFFER_CAPA(state->object_delim);
if (state->object_delim2) size += FBUFFER_CAPA(state->object_delim2);
return size;
}
#ifdef NEW_TYPEDDATA_WRAPPER
static const rb_data_type_t JSON_Generator_State_type = {
"JSON/Generator/State",
{NULL, State_free, State_memsize,},
#ifdef RUBY_TYPED_FREE_IMMEDIATELY
0, 0,
RUBY_TYPED_FREE_IMMEDIATELY,
#endif
};
#endif
static VALUE cState_s_allocate(VALUE klass)
{
JSON_Generator_State *state;
return TypedData_Make_Struct(klass, JSON_Generator_State,
&JSON_Generator_State_type, state);
}
/*
* call-seq: configure(opts)
*
* Configure this State instance with the Hash _opts_, and return
* itself.
*/
static VALUE cState_configure(VALUE self, VALUE opts)
{
VALUE tmp;
GET_STATE(self);
tmp = rb_check_convert_type(opts, T_HASH, "Hash", "to_hash");
if (NIL_P(tmp)) tmp = rb_convert_type(opts, T_HASH, "Hash", "to_h");
opts = tmp;
tmp = rb_hash_aref(opts, ID2SYM(i_indent));
if (RTEST(tmp)) {
unsigned long len;
Check_Type(tmp, T_STRING);
len = RSTRING_LEN(tmp);
state->indent = fstrndup(RSTRING_PTR(tmp), len + 1);
state->indent_len = len;
}
tmp = rb_hash_aref(opts, ID2SYM(i_space));
if (RTEST(tmp)) {
unsigned long len;
Check_Type(tmp, T_STRING);
len = RSTRING_LEN(tmp);
state->space = fstrndup(RSTRING_PTR(tmp), len + 1);
state->space_len = len;
}
tmp = rb_hash_aref(opts, ID2SYM(i_space_before));
if (RTEST(tmp)) {
unsigned long len;
Check_Type(tmp, T_STRING);
len = RSTRING_LEN(tmp);
state->space_before = fstrndup(RSTRING_PTR(tmp), len + 1);
state->space_before_len = len;
}
tmp = rb_hash_aref(opts, ID2SYM(i_array_nl));
if (RTEST(tmp)) {
unsigned long len;
Check_Type(tmp, T_STRING);
len = RSTRING_LEN(tmp);
state->array_nl = fstrndup(RSTRING_PTR(tmp), len + 1);
state->array_nl_len = len;
}
tmp = rb_hash_aref(opts, ID2SYM(i_object_nl));
if (RTEST(tmp)) {
unsigned long len;
Check_Type(tmp, T_STRING);
len = RSTRING_LEN(tmp);
state->object_nl = fstrndup(RSTRING_PTR(tmp), len + 1);
state->object_nl_len = len;
}
tmp = ID2SYM(i_max_nesting);
state->max_nesting = 100;
if (option_given_p(opts, tmp)) {
VALUE max_nesting = rb_hash_aref(opts, tmp);
if (RTEST(max_nesting)) {
Check_Type(max_nesting, T_FIXNUM);
state->max_nesting = FIX2LONG(max_nesting);
} else {
state->max_nesting = 0;
}
}
tmp = ID2SYM(i_depth);
state->depth = 0;
if (option_given_p(opts, tmp)) {
VALUE depth = rb_hash_aref(opts, tmp);
if (RTEST(depth)) {
Check_Type(depth, T_FIXNUM);
state->depth = FIX2LONG(depth);
} else {
state->depth = 0;
}
}
tmp = ID2SYM(i_buffer_initial_length);
if (option_given_p(opts, tmp)) {
VALUE buffer_initial_length = rb_hash_aref(opts, tmp);
if (RTEST(buffer_initial_length)) {
long initial_length;
Check_Type(buffer_initial_length, T_FIXNUM);
initial_length = FIX2LONG(buffer_initial_length);
if (initial_length > 0) state->buffer_initial_length = initial_length;
}
}
tmp = rb_hash_aref(opts, ID2SYM(i_allow_nan));
state->allow_nan = RTEST(tmp);
tmp = rb_hash_aref(opts, ID2SYM(i_ascii_only));
state->ascii_only = RTEST(tmp);
return self;
}
static void set_state_ivars(VALUE hash, VALUE state)
{
VALUE ivars = rb_obj_instance_variables(state);
int i = 0;
for (i = 0; i < RARRAY_LEN(ivars); i++) {
VALUE key = rb_funcall(rb_ary_entry(ivars, i), i_to_s, 0);
long key_len = RSTRING_LEN(key);
VALUE value = rb_iv_get(state, StringValueCStr(key));
rb_hash_aset(hash, rb_str_intern(rb_str_substr(key, 1, key_len - 1)), value);
}
}
/*
* call-seq: to_h
*
* Returns the configuration instance variables as a hash, that can be
* passed to the configure method.
*/
static VALUE cState_to_h(VALUE self)
{
VALUE result = rb_hash_new();
GET_STATE(self);
set_state_ivars(result, self);
rb_hash_aset(result, ID2SYM(i_indent), rb_str_new(state->indent, state->indent_len));
rb_hash_aset(result, ID2SYM(i_space), rb_str_new(state->space, state->space_len));
rb_hash_aset(result, ID2SYM(i_space_before), rb_str_new(state->space_before, state->space_before_len));
rb_hash_aset(result, ID2SYM(i_object_nl), rb_str_new(state->object_nl, state->object_nl_len));
rb_hash_aset(result, ID2SYM(i_array_nl), rb_str_new(state->array_nl, state->array_nl_len));
rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse);
rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse);
rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting));
rb_hash_aset(result, ID2SYM(i_depth), LONG2FIX(state->depth));
rb_hash_aset(result, ID2SYM(i_buffer_initial_length), LONG2FIX(state->buffer_initial_length));
return result;
}
/*
* call-seq: [](name)
*
* Returns the value returned by method +name+.
*/
static VALUE cState_aref(VALUE self, VALUE name)
{
name = rb_funcall(name, i_to_s, 0);
if (RTEST(rb_funcall(self, i_respond_to_p, 1, name))) {
return rb_funcall(self, i_send, 1, name);
} else {
return rb_attr_get(self, rb_intern_str(rb_str_concat(rb_str_new2("@"), name)));
}
}
/*
* call-seq: []=(name, value)
*
* Sets the attribute name to value.
*/
static VALUE cState_aset(VALUE self, VALUE name, VALUE value)
{
VALUE name_writer;
name = rb_funcall(name, i_to_s, 0);
name_writer = rb_str_cat2(rb_str_dup(name), "=");
if (RTEST(rb_funcall(self, i_respond_to_p, 1, name_writer))) {
return rb_funcall(self, i_send, 2, name_writer, value);
} else {
rb_ivar_set(self, rb_intern_str(rb_str_concat(rb_str_new2("@"), name)), value);
}
return Qnil;
}
struct hash_foreach_arg {
FBuffer *buffer;
JSON_Generator_State *state;
VALUE Vstate;
int iter;
};
static int
json_object_i(VALUE key, VALUE val, VALUE _arg)
{
struct hash_foreach_arg *arg = (struct hash_foreach_arg *)_arg;
FBuffer *buffer = arg->buffer;
JSON_Generator_State *state = arg->state;
VALUE Vstate = arg->Vstate;
char *object_nl = state->object_nl;
long object_nl_len = state->object_nl_len;
char *indent = state->indent;
long indent_len = state->indent_len;
char *delim = FBUFFER_PTR(state->object_delim);
long delim_len = FBUFFER_LEN(state->object_delim);
char *delim2 = FBUFFER_PTR(state->object_delim2);
long delim2_len = FBUFFER_LEN(state->object_delim2);
long depth = state->depth;
int j;
VALUE klass, key_to_s;
if (arg->iter > 0) fbuffer_append(buffer, delim, delim_len);
if (object_nl) {
fbuffer_append(buffer, object_nl, object_nl_len);
}
if (indent) {
for (j = 0; j < depth; j++) {
fbuffer_append(buffer, indent, indent_len);
}
}
klass = CLASS_OF(key);
if (klass == rb_cString) {
key_to_s = key;
} else if (klass == rb_cSymbol) {
key_to_s = rb_id2str(SYM2ID(key));
} else {
key_to_s = rb_funcall(key, i_to_s, 0);
}
Check_Type(key_to_s, T_STRING);
generate_json(buffer, Vstate, state, key_to_s);
fbuffer_append(buffer, delim2, delim2_len);
generate_json(buffer, Vstate, state, val);
arg->iter++;
return ST_CONTINUE;
}
static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
char *object_nl = state->object_nl;
long object_nl_len = state->object_nl_len;
char *indent = state->indent;
long indent_len = state->indent_len;
long max_nesting = state->max_nesting;
long depth = ++state->depth;
int j;
struct hash_foreach_arg arg;
if (max_nesting != 0 && depth > max_nesting) {
fbuffer_free(buffer);
rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
}
fbuffer_append_char(buffer, '{');
arg.buffer = buffer;
arg.state = state;
arg.Vstate = Vstate;
arg.iter = 0;
rb_hash_foreach(obj, json_object_i, (VALUE)&arg);
depth = --state->depth;
if (object_nl) {
fbuffer_append(buffer, object_nl, object_nl_len);
if (indent) {
for (j = 0; j < depth; j++) {
fbuffer_append(buffer, indent, indent_len);
}
}
}
fbuffer_append_char(buffer, '}');
}
static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
char *array_nl = state->array_nl;
long array_nl_len = state->array_nl_len;
char *indent = state->indent;
long indent_len = state->indent_len;
long max_nesting = state->max_nesting;
char *delim = FBUFFER_PTR(state->array_delim);
long delim_len = FBUFFER_LEN(state->array_delim);
long depth = ++state->depth;
int i, j;
if (max_nesting != 0 && depth > max_nesting) {
fbuffer_free(buffer);
rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
}
fbuffer_append_char(buffer, '[');
if (array_nl) fbuffer_append(buffer, array_nl, array_nl_len);
for(i = 0; i < RARRAY_LEN(obj); i++) {
if (i > 0) fbuffer_append(buffer, delim, delim_len);
if (indent) {
for (j = 0; j < depth; j++) {
fbuffer_append(buffer, indent, indent_len);
}
}
generate_json(buffer, Vstate, state, rb_ary_entry(obj, i));
}
state->depth = --depth;
if (array_nl) {
fbuffer_append(buffer, array_nl, array_nl_len);
if (indent) {
for (j = 0; j < depth; j++) {
fbuffer_append(buffer, indent, indent_len);
}
}
}
fbuffer_append_char(buffer, ']');
}
#ifdef HAVE_RUBY_ENCODING_H
static int enc_utf8_compatible_p(rb_encoding *enc)
{
if (enc == rb_usascii_encoding()) return 1;
if (enc == rb_utf8_encoding()) return 1;
return 0;
}
#endif
static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
fbuffer_append_char(buffer, '"');
#ifdef HAVE_RUBY_ENCODING_H
if (!enc_utf8_compatible_p(rb_enc_get(obj))) {
obj = rb_str_encode(obj, CEncoding_UTF_8, 0, Qnil);
}
#endif
if (state->ascii_only) {
convert_UTF8_to_JSON_ASCII(buffer, obj);
} else {
convert_UTF8_to_JSON(buffer, obj);
}
fbuffer_append_char(buffer, '"');
}
static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
fbuffer_append(buffer, "null", 4);
}
static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
fbuffer_append(buffer, "false", 5);
}
static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
fbuffer_append(buffer, "true", 4);
}
static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
fbuffer_append_long(buffer, FIX2LONG(obj));
}
static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
VALUE tmp = rb_funcall(obj, i_to_s, 0);
fbuffer_append_str(buffer, tmp);
}
#ifdef RUBY_INTEGER_UNIFICATION
static void generate_json_integer(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
if (FIXNUM_P(obj))
generate_json_fixnum(buffer, Vstate, state, obj);
else
generate_json_bignum(buffer, Vstate, state, obj);
}
#endif
static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
double value = RFLOAT_VALUE(obj);
char allow_nan = state->allow_nan;
VALUE tmp = rb_funcall(obj, i_to_s, 0);
if (!allow_nan) {
if (isinf(value)) {
fbuffer_free(buffer);
rb_raise(eGeneratorError, "%u: %"PRIsVALUE" not allowed in JSON", __LINE__, RB_OBJ_STRING(tmp));
} else if (isnan(value)) {
fbuffer_free(buffer);
rb_raise(eGeneratorError, "%u: %"PRIsVALUE" not allowed in JSON", __LINE__, RB_OBJ_STRING(tmp));
}
}
fbuffer_append_str(buffer, tmp);
}
static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
{
VALUE tmp;
VALUE klass = CLASS_OF(obj);
if (klass == rb_cHash) {
generate_json_object(buffer, Vstate, state, obj);
} else if (klass == rb_cArray) {
generate_json_array(buffer, Vstate, state, obj);
} else if (klass == rb_cString) {
generate_json_string(buffer, Vstate, state, obj);
} else if (obj == Qnil) {
generate_json_null(buffer, Vstate, state, obj);
} else if (obj == Qfalse) {
generate_json_false(buffer, Vstate, state, obj);
} else if (obj == Qtrue) {
generate_json_true(buffer, Vstate, state, obj);
} else if (FIXNUM_P(obj)) {
generate_json_fixnum(buffer, Vstate, state, obj);
} else if (RB_TYPE_P(obj, T_BIGNUM)) {
generate_json_bignum(buffer, Vstate, state, obj);
} else if (klass == rb_cFloat) {
generate_json_float(buffer, Vstate, state, obj);
} else if (rb_respond_to(obj, i_to_json)) {
tmp = rb_funcall(obj, i_to_json, 1, Vstate);
Check_Type(tmp, T_STRING);
fbuffer_append_str(buffer, tmp);
} else {
tmp = rb_funcall(obj, i_to_s, 0);
Check_Type(tmp, T_STRING);
generate_json_string(buffer, Vstate, state, tmp);
}
}
static FBuffer *cState_prepare_buffer(VALUE self)
{
FBuffer *buffer;
GET_STATE(self);
buffer = fbuffer_alloc(state->buffer_initial_length);
if (state->object_delim) {
fbuffer_clear(state->object_delim);
} else {
state->object_delim = fbuffer_alloc(16);
}
fbuffer_append_char(state->object_delim, ',');
if (state->object_delim2) {
fbuffer_clear(state->object_delim2);
} else {
state->object_delim2 = fbuffer_alloc(16);
}
if (state->space_before) fbuffer_append(state->object_delim2, state->space_before, state->space_before_len);
fbuffer_append_char(state->object_delim2, ':');
if (state->space) fbuffer_append(state->object_delim2, state->space, state->space_len);
if (state->array_delim) {
fbuffer_clear(state->array_delim);
} else {
state->array_delim = fbuffer_alloc(16);
}
fbuffer_append_char(state->array_delim, ',');
if (state->array_nl) fbuffer_append(state->array_delim, state->array_nl, state->array_nl_len);
return buffer;
}
static VALUE cState_partial_generate(VALUE self, VALUE obj)
{
FBuffer *buffer = cState_prepare_buffer(self);
GET_STATE(self);
generate_json(buffer, self, state, obj);
return fbuffer_to_s(buffer);
}
/*
* call-seq: generate(obj)
*
* Generates a valid JSON document from object +obj+ and returns the
* result. If no valid JSON document can be created this method raises a
* GeneratorError exception.
*/
static VALUE cState_generate(VALUE self, VALUE obj)
{
VALUE result = cState_partial_generate(self, obj);
GET_STATE(self);
(void)state;
return result;
}
/*
* call-seq: new(opts = {})
*
* Instantiates a new State object, configured by _opts_.
*
* _opts_ can have the following keys:
*
* * *indent*: a string used to indent levels (default: ''),
* * *space*: a string that is put after, a : or , delimiter (default: ''),
* * *space_before*: a string that is put before a : pair delimiter (default: ''),
* * *object_nl*: a string that is put at the end of a JSON object (default: ''),
* * *array_nl*: a string that is put at the end of a JSON array (default: ''),
* * *allow_nan*: true if NaN, Infinity, and -Infinity should be
* generated, otherwise an exception is thrown, if these values are
* encountered. This options defaults to false.
* * *ascii_only*: true if only ASCII characters should be generated. This
* ontions defaults to false.
* * *buffer_initial_length*: sets the initial length of the generator's
* internal buffer.
*/
static VALUE cState_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE opts;
GET_STATE(self);
state->max_nesting = 100;
state->buffer_initial_length = FBUFFER_INITIAL_LENGTH_DEFAULT;
rb_scan_args(argc, argv, "01", &opts);
if (!NIL_P(opts)) cState_configure(self, opts);
return self;
}
/*
* call-seq: initialize_copy(orig)
*
* Initializes this object from orig if it can be duplicated/cloned and returns
* it.
*/
static VALUE cState_init_copy(VALUE obj, VALUE orig)
{
JSON_Generator_State *objState, *origState;
if (obj == orig) return obj;
GET_STATE_TO(obj, objState);
GET_STATE_TO(orig, origState);
if (!objState) rb_raise(rb_eArgError, "unallocated JSON::State");
MEMCPY(objState, origState, JSON_Generator_State, 1);
objState->indent = fstrndup(origState->indent, origState->indent_len);
objState->space = fstrndup(origState->space, origState->space_len);
objState->space_before = fstrndup(origState->space_before, origState->space_before_len);
objState->object_nl = fstrndup(origState->object_nl, origState->object_nl_len);
objState->array_nl = fstrndup(origState->array_nl, origState->array_nl_len);
if (origState->array_delim) objState->array_delim = fbuffer_dup(origState->array_delim);
if (origState->object_delim) objState->object_delim = fbuffer_dup(origState->object_delim);
if (origState->object_delim2) objState->object_delim2 = fbuffer_dup(origState->object_delim2);
return obj;
}
/*
* call-seq: from_state(opts)
*
* Creates a State object from _opts_, which ought to be Hash to create a
* new State instance configured by _opts_, something else to create an
* unconfigured instance. If _opts_ is a State object, it is just returned.
*/
static VALUE cState_from_state_s(VALUE self, VALUE opts)
{
if (rb_obj_is_kind_of(opts, self)) {
return opts;
} else if (rb_obj_is_kind_of(opts, rb_cHash)) {
return rb_funcall(self, i_new, 1, opts);
} else {
VALUE prototype = rb_const_get(mJSON, i_SAFE_STATE_PROTOTYPE);
return rb_funcall(prototype, i_dup, 0);
}
}
/*
* call-seq: indent()
*
* Returns the string that is used to indent levels in the JSON text.
*/
static VALUE cState_indent(VALUE self)
{
GET_STATE(self);
return state->indent ? rb_str_new(state->indent, state->indent_len) : rb_str_new2("");
}
/*
* call-seq: indent=(indent)
*
* Sets the string that is used to indent levels in the JSON text.
*/
static VALUE cState_indent_set(VALUE self, VALUE indent)
{
unsigned long len;
GET_STATE(self);
Check_Type(indent, T_STRING);
len = RSTRING_LEN(indent);
if (len == 0) {
if (state->indent) {
ruby_xfree(state->indent);
state->indent = NULL;
state->indent_len = 0;
}
} else {
if (state->indent) ruby_xfree(state->indent);
state->indent = fstrndup(RSTRING_PTR(indent), len);
state->indent_len = len;
}
return Qnil;
}
/*
* call-seq: space()
*
* Returns the string that is used to insert a space between the tokens in a JSON
* string.
*/
static VALUE cState_space(VALUE self)
{
GET_STATE(self);
return state->space ? rb_str_new(state->space, state->space_len) : rb_str_new2("");
}
/*
* call-seq: space=(space)
*
* Sets _space_ to the string that is used to insert a space between the tokens in a JSON
* string.
*/
static VALUE cState_space_set(VALUE self, VALUE space)
{
unsigned long len;
GET_STATE(self);
Check_Type(space, T_STRING);
len = RSTRING_LEN(space);
if (len == 0) {
if (state->space) {
ruby_xfree(state->space);
state->space = NULL;
state->space_len = 0;
}
} else {
if (state->space) ruby_xfree(state->space);
state->space = fstrndup(RSTRING_PTR(space), len);
state->space_len = len;
}
return Qnil;
}
/*
* call-seq: space_before()
*
* Returns the string that is used to insert a space before the ':' in JSON objects.
*/
static VALUE cState_space_before(VALUE self)
{
GET_STATE(self);
return state->space_before ? rb_str_new(state->space_before, state->space_before_len) : rb_str_new2("");
}
/*
* call-seq: space_before=(space_before)
*
* Sets the string that is used to insert a space before the ':' in JSON objects.
*/
static VALUE cState_space_before_set(VALUE self, VALUE space_before)
{
unsigned long len;
GET_STATE(self);
Check_Type(space_before, T_STRING);
len = RSTRING_LEN(space_before);
if (len == 0) {
if (state->space_before) {
ruby_xfree(state->space_before);
state->space_before = NULL;
state->space_before_len = 0;
}
} else {
if (state->space_before) ruby_xfree(state->space_before);
state->space_before = fstrndup(RSTRING_PTR(space_before), len);
state->space_before_len = len;
}
return Qnil;
}
/*
* call-seq: object_nl()
*
* This string is put at the end of a line that holds a JSON object (or
* Hash).
*/
static VALUE cState_object_nl(VALUE self)
{
GET_STATE(self);
return state->object_nl ? rb_str_new(state->object_nl, state->object_nl_len) : rb_str_new2("");
}
/*
* call-seq: object_nl=(object_nl)
*
* This string is put at the end of a line that holds a JSON object (or
* Hash).
*/
static VALUE cState_object_nl_set(VALUE self, VALUE object_nl)
{
unsigned long len;
GET_STATE(self);
Check_Type(object_nl, T_STRING);
len = RSTRING_LEN(object_nl);
if (len == 0) {
if (state->object_nl) {
ruby_xfree(state->object_nl);
state->object_nl = NULL;
}
} else {
if (state->object_nl) ruby_xfree(state->object_nl);
state->object_nl = fstrndup(RSTRING_PTR(object_nl), len);
state->object_nl_len = len;
}
return Qnil;
}
/*
* call-seq: array_nl()
*
* This string is put at the end of a line that holds a JSON array.
*/
static VALUE cState_array_nl(VALUE self)
{
GET_STATE(self);
return state->array_nl ? rb_str_new(state->array_nl, state->array_nl_len) : rb_str_new2("");
}
/*
* call-seq: array_nl=(array_nl)
*
* This string is put at the end of a line that holds a JSON array.
*/
static VALUE cState_array_nl_set(VALUE self, VALUE array_nl)
{
unsigned long len;
GET_STATE(self);
Check_Type(array_nl, T_STRING);
len = RSTRING_LEN(array_nl);
if (len == 0) {
if (state->array_nl) {
ruby_xfree(state->array_nl);
state->array_nl = NULL;
}
} else {
if (state->array_nl) ruby_xfree(state->array_nl);
state->array_nl = fstrndup(RSTRING_PTR(array_nl), len);
state->array_nl_len = len;
}
return Qnil;
}
/*
* call-seq: check_circular?
*
* Returns true, if circular data structures should be checked,
* otherwise returns false.
*/
static VALUE cState_check_circular_p(VALUE self)
{
GET_STATE(self);
return state->max_nesting ? Qtrue : Qfalse;
}
/*
* call-seq: max_nesting
*
* This integer returns the maximum level of data structure nesting in
* the generated JSON, max_nesting = 0 if no maximum is checked.
*/
static VALUE cState_max_nesting(VALUE self)
{
GET_STATE(self);
return LONG2FIX(state->max_nesting);
}
/*
* call-seq: max_nesting=(depth)
*
* This sets the maximum level of data structure nesting in the generated JSON
* to the integer depth, max_nesting = 0 if no maximum should be checked.
*/
static VALUE cState_max_nesting_set(VALUE self, VALUE depth)
{
GET_STATE(self);
Check_Type(depth, T_FIXNUM);
return state->max_nesting = FIX2LONG(depth);
}
/*
* call-seq: allow_nan?
*
* Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise
* returns false.
*/
static VALUE cState_allow_nan_p(VALUE self)
{
GET_STATE(self);
return state->allow_nan ? Qtrue : Qfalse;
}
/*
* call-seq: ascii_only?
*
* Returns true, if only ASCII characters should be generated. Otherwise
* returns false.
*/
static VALUE cState_ascii_only_p(VALUE self)
{
GET_STATE(self);
return state->ascii_only ? Qtrue : Qfalse;
}
/*
* call-seq: depth
*
* This integer returns the current depth of data structure nesting.
*/
static VALUE cState_depth(VALUE self)
{
GET_STATE(self);
return LONG2FIX(state->depth);
}
/*
* call-seq: depth=(depth)
*
* This sets the maximum level of data structure nesting in the generated JSON
* to the integer depth, max_nesting = 0 if no maximum should be checked.
*/
static VALUE cState_depth_set(VALUE self, VALUE depth)
{
GET_STATE(self);
Check_Type(depth, T_FIXNUM);
state->depth = FIX2LONG(depth);
return Qnil;
}
/*
* call-seq: buffer_initial_length
*
* This integer returns the current initial length of the buffer.
*/
static VALUE cState_buffer_initial_length(VALUE self)
{
GET_STATE(self);
return LONG2FIX(state->buffer_initial_length);
}
/*
* call-seq: buffer_initial_length=(length)
*
* This sets the initial length of the buffer to +length+, if +length+ > 0,
* otherwise its value isn't changed.
*/
static VALUE cState_buffer_initial_length_set(VALUE self, VALUE buffer_initial_length)
{
long initial_length;
GET_STATE(self);
Check_Type(buffer_initial_length, T_FIXNUM);
initial_length = FIX2LONG(buffer_initial_length);
if (initial_length > 0) {
state->buffer_initial_length = initial_length;
}
return Qnil;
}
/*
*
*/
void Init_generator(void)
{
#undef rb_intern
rb_require("json/common");
mJSON = rb_define_module("JSON");
mExt = rb_define_module_under(mJSON, "Ext");
mGenerator = rb_define_module_under(mExt, "Generator");
eGeneratorError = rb_path2class("JSON::GeneratorError");
eNestingError = rb_path2class("JSON::NestingError");
rb_gc_register_mark_object(eGeneratorError);
rb_gc_register_mark_object(eNestingError);
cState = rb_define_class_under(mGenerator, "State", rb_cObject);
rb_define_alloc_func(cState, cState_s_allocate);
rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
rb_define_method(cState, "initialize", cState_initialize, -1);
rb_define_method(cState, "initialize_copy", cState_init_copy, 1);
rb_define_method(cState, "indent", cState_indent, 0);
rb_define_method(cState, "indent=", cState_indent_set, 1);
rb_define_method(cState, "space", cState_space, 0);
rb_define_method(cState, "space=", cState_space_set, 1);
rb_define_method(cState, "space_before", cState_space_before, 0);
rb_define_method(cState, "space_before=", cState_space_before_set, 1);
rb_define_method(cState, "object_nl", cState_object_nl, 0);
rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
rb_define_method(cState, "array_nl", cState_array_nl, 0);
rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
rb_define_method(cState, "depth", cState_depth, 0);
rb_define_method(cState, "depth=", cState_depth_set, 1);
rb_define_method(cState, "buffer_initial_length", cState_buffer_initial_length, 0);
rb_define_method(cState, "buffer_initial_length=", cState_buffer_initial_length_set, 1);
rb_define_method(cState, "configure", cState_configure, 1);
rb_define_alias(cState, "merge", "configure");
rb_define_method(cState, "to_h", cState_to_h, 0);
rb_define_alias(cState, "to_hash", "to_h");
rb_define_method(cState, "[]", cState_aref, 1);
rb_define_method(cState, "[]=", cState_aset, 2);
rb_define_method(cState, "generate", cState_generate, 1);
mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
mObject = rb_define_module_under(mGeneratorMethods, "Object");
rb_define_method(mObject, "to_json", mObject_to_json, -1);
mHash = rb_define_module_under(mGeneratorMethods, "Hash");
rb_define_method(mHash, "to_json", mHash_to_json, -1);
mArray = rb_define_module_under(mGeneratorMethods, "Array");
rb_define_method(mArray, "to_json", mArray_to_json, -1);
#ifdef RUBY_INTEGER_UNIFICATION
mInteger = rb_define_module_under(mGeneratorMethods, "Integer");
rb_define_method(mInteger, "to_json", mInteger_to_json, -1);
#else
mFixnum = rb_define_module_under(mGeneratorMethods, "Fixnum");
rb_define_method(mFixnum, "to_json", mFixnum_to_json, -1);
mBignum = rb_define_module_under(mGeneratorMethods, "Bignum");
rb_define_method(mBignum, "to_json", mBignum_to_json, -1);
#endif
mFloat = rb_define_module_under(mGeneratorMethods, "Float");
rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
mString = rb_define_module_under(mGeneratorMethods, "String");
rb_define_singleton_method(mString, "included", mString_included_s, 1);
rb_define_method(mString, "to_json", mString_to_json, -1);
rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
mString_Extend = rb_define_module_under(mString, "Extend");
rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);
i_to_s = rb_intern("to_s");
i_to_json = rb_intern("to_json");
i_new = rb_intern("new");
i_indent = rb_intern("indent");
i_space = rb_intern("space");
i_space_before = rb_intern("space_before");
i_object_nl = rb_intern("object_nl");
i_array_nl = rb_intern("array_nl");
i_max_nesting = rb_intern("max_nesting");
i_allow_nan = rb_intern("allow_nan");
i_ascii_only = rb_intern("ascii_only");
i_depth = rb_intern("depth");
i_buffer_initial_length = rb_intern("buffer_initial_length");
i_pack = rb_intern("pack");
i_unpack = rb_intern("unpack");
i_create_id = rb_intern("create_id");
i_extend = rb_intern("extend");
i_key_p = rb_intern("key?");
i_aref = rb_intern("[]");
i_send = rb_intern("__send__");
i_respond_to_p = rb_intern("respond_to?");
i_match = rb_intern("match");
i_keys = rb_intern("keys");
i_dup = rb_intern("dup");
#ifdef HAVE_RUBY_ENCODING_H
CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
i_encoding = rb_intern("encoding");
i_encode = rb_intern("encode");
#endif
i_SAFE_STATE_PROTOTYPE = rb_intern("SAFE_STATE_PROTOTYPE");
}
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