mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
* ext/jason: revert r27493. came again after canceling gcc-ism.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa
parent
b0018f6859
commit
27be3056dc
20 changed files with 1750 additions and 2233 deletions
|
|
@ -1,14 +0,0 @@
|
|||
require 'mkmf'
|
||||
require 'rbconfig'
|
||||
|
||||
unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O3')
|
||||
$CFLAGS << ' -O3'
|
||||
end
|
||||
if CONFIG['CC'] =~ /gcc/
|
||||
$CFLAGS << ' -Wall'
|
||||
#unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O0 -ggdb')
|
||||
# $CFLAGS << ' -O0 -ggdb'
|
||||
#end
|
||||
end
|
||||
|
||||
create_makefile 'json/ext/parser'
|
||||
File diff suppressed because it is too large
Load diff
|
|
@ -1,71 +0,0 @@
|
|||
#ifndef _PARSER_H_
|
||||
#define _PARSER_H_
|
||||
|
||||
#include "ruby.h"
|
||||
|
||||
#if HAVE_RE_H
|
||||
#include "re.h"
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_RUBY_ENCODING_H
|
||||
#include "ruby/encoding.h"
|
||||
#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding())
|
||||
#else
|
||||
#define FORCE_UTF8(obj)
|
||||
#endif
|
||||
|
||||
#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
|
||||
|
||||
/* unicode */
|
||||
|
||||
typedef unsigned long UTF32; /* at least 32 bits */
|
||||
typedef unsigned short UTF16; /* at least 16 bits */
|
||||
typedef unsigned char UTF8; /* typically 8 bits */
|
||||
|
||||
#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
|
||||
#define UNI_SUR_HIGH_START (UTF32)0xD800
|
||||
#define UNI_SUR_HIGH_END (UTF32)0xDBFF
|
||||
#define UNI_SUR_LOW_START (UTF32)0xDC00
|
||||
#define UNI_SUR_LOW_END (UTF32)0xDFFF
|
||||
|
||||
typedef struct JSON_ParserStruct {
|
||||
VALUE Vsource;
|
||||
char *source;
|
||||
long len;
|
||||
char *memo;
|
||||
VALUE create_id;
|
||||
int max_nesting;
|
||||
int current_nesting;
|
||||
int allow_nan;
|
||||
int parsing_name;
|
||||
int symbolize_names;
|
||||
VALUE object_class;
|
||||
VALUE array_class;
|
||||
} JSON_Parser;
|
||||
|
||||
#define GET_PARSER \
|
||||
JSON_Parser *json; \
|
||||
Data_Get_Struct(self, JSON_Parser, json)
|
||||
|
||||
#define MinusInfinity "-Infinity"
|
||||
#define EVIL 0x666
|
||||
|
||||
static UTF32 unescape_unicode(const unsigned char *p);
|
||||
static int convert_UTF32_to_UTF8(char *buf, UTF32 ch);
|
||||
static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd);
|
||||
static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result);
|
||||
static VALUE convert_encoding(VALUE source);
|
||||
static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self);
|
||||
static VALUE cParser_parse(VALUE self);
|
||||
static JSON_Parser *JSON_allocate();
|
||||
static void JSON_mark(JSON_Parser *json);
|
||||
static void JSON_free(JSON_Parser *json);
|
||||
static VALUE cJSON_parser_s_allocate(VALUE klass);
|
||||
static VALUE cParser_source(VALUE self);
|
||||
|
||||
#endif
|
||||
|
|
@ -1,791 +0,0 @@
|
|||
#include "parser.h"
|
||||
|
||||
/* unicode */
|
||||
|
||||
static const char digit_values[256] = {
|
||||
-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, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1,
|
||||
-1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -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,
|
||||
10, 11, 12, 13, 14, 15, -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,
|
||||
-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, -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, -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, -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
|
||||
};
|
||||
|
||||
static UTF32 unescape_unicode(const unsigned char *p)
|
||||
{
|
||||
char b;
|
||||
UTF32 result = 0;
|
||||
b = digit_values[p[0]];
|
||||
if (b < 0) return UNI_REPLACEMENT_CHAR;
|
||||
result = (result << 4) | b;
|
||||
b = digit_values[p[1]];
|
||||
result = (result << 4) | b;
|
||||
if (b < 0) return UNI_REPLACEMENT_CHAR;
|
||||
b = digit_values[p[2]];
|
||||
result = (result << 4) | b;
|
||||
if (b < 0) return UNI_REPLACEMENT_CHAR;
|
||||
b = digit_values[p[3]];
|
||||
result = (result << 4) | b;
|
||||
if (b < 0) return UNI_REPLACEMENT_CHAR;
|
||||
return result;
|
||||
}
|
||||
|
||||
static int convert_UTF32_to_UTF8(char *buf, UTF32 ch)
|
||||
{
|
||||
int len = 1;
|
||||
if (ch <= 0x7F) {
|
||||
buf[0] = (char) ch;
|
||||
} else if (ch <= 0x07FF) {
|
||||
buf[0] = (char) ((ch >> 6) | 0xC0);
|
||||
buf[1] = (char) ((ch & 0x3F) | 0x80);
|
||||
len++;
|
||||
} else if (ch <= 0xFFFF) {
|
||||
buf[0] = (char) ((ch >> 12) | 0xE0);
|
||||
buf[1] = (char) (((ch >> 6) & 0x3F) | 0x80);
|
||||
buf[2] = (char) ((ch & 0x3F) | 0x80);
|
||||
len += 2;
|
||||
} else if (ch <= 0x1fffff) {
|
||||
buf[0] =(char) ((ch >> 18) | 0xF0);
|
||||
buf[1] =(char) (((ch >> 12) & 0x3F) | 0x80);
|
||||
buf[2] =(char) (((ch >> 6) & 0x3F) | 0x80);
|
||||
buf[3] =(char) ((ch & 0x3F) | 0x80);
|
||||
len += 3;
|
||||
} else {
|
||||
buf[0] = '?';
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
#ifdef HAVE_RUBY_ENCODING_H
|
||||
static VALUE CEncoding_ASCII_8BIT, CEncoding_UTF_8, CEncoding_UTF_16BE,
|
||||
CEncoding_UTF_16LE, CEncoding_UTF_32BE, CEncoding_UTF_32LE;
|
||||
static ID i_encoding, i_encode, i_encode_bang, i_force_encoding;
|
||||
#else
|
||||
static ID i_iconv;
|
||||
#endif
|
||||
|
||||
static VALUE mJSON, mExt, cParser, eParserError, eNestingError;
|
||||
static VALUE CNaN, CInfinity, CMinusInfinity;
|
||||
|
||||
static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions,
|
||||
i_chr, i_max_nesting, i_allow_nan, i_symbolize_names, i_object_class,
|
||||
i_array_class, i_key_p, i_deep_const_get;
|
||||
|
||||
%%{
|
||||
machine JSON_common;
|
||||
|
||||
cr = '\n';
|
||||
cr_neg = [^\n];
|
||||
ws = [ \t\r\n];
|
||||
c_comment = '/*' ( any* - (any* '*/' any* ) ) '*/';
|
||||
cpp_comment = '//' cr_neg* cr;
|
||||
comment = c_comment | cpp_comment;
|
||||
ignore = ws | comment;
|
||||
name_separator = ':';
|
||||
value_separator = ',';
|
||||
Vnull = 'null';
|
||||
Vfalse = 'false';
|
||||
Vtrue = 'true';
|
||||
VNaN = 'NaN';
|
||||
VInfinity = 'Infinity';
|
||||
VMinusInfinity = '-Infinity';
|
||||
begin_value = [nft"\-[{NI] | digit;
|
||||
begin_object = '{';
|
||||
end_object = '}';
|
||||
begin_array = '[';
|
||||
end_array = ']';
|
||||
begin_string = '"';
|
||||
begin_name = begin_string;
|
||||
begin_number = digit | '-';
|
||||
}%%
|
||||
|
||||
%%{
|
||||
machine JSON_object;
|
||||
include JSON_common;
|
||||
|
||||
write data;
|
||||
|
||||
action parse_value {
|
||||
VALUE v = Qnil;
|
||||
char *np = JSON_parse_value(json, fpc, pe, &v);
|
||||
if (np == NULL) {
|
||||
fhold; fbreak;
|
||||
} else {
|
||||
rb_hash_aset(*result, last_name, v);
|
||||
fexec np;
|
||||
}
|
||||
}
|
||||
|
||||
action parse_name {
|
||||
json->parsing_name = 1;
|
||||
char *np = JSON_parse_string(json, fpc, pe, &last_name);
|
||||
json->parsing_name = 0;
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
a_pair = ignore* begin_name >parse_name
|
||||
ignore* name_separator ignore*
|
||||
begin_value >parse_value;
|
||||
|
||||
main := begin_object
|
||||
(a_pair (ignore* value_separator a_pair)*)?
|
||||
ignore* end_object @exit;
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
VALUE last_name = Qnil;
|
||||
VALUE object_class = json->object_class;
|
||||
|
||||
if (json->max_nesting && json->current_nesting > json->max_nesting) {
|
||||
rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
|
||||
}
|
||||
|
||||
*result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class);
|
||||
|
||||
%% write init;
|
||||
%% write exec;
|
||||
|
||||
if (cs >= JSON_object_first_final) {
|
||||
if (RTEST(json->create_id)) {
|
||||
VALUE klassname = rb_hash_aref(*result, json->create_id);
|
||||
if (!NIL_P(klassname)) {
|
||||
VALUE klass = rb_funcall(mJSON, i_deep_const_get, 1, klassname);
|
||||
if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) {
|
||||
*result = rb_funcall(klass, i_json_create, 1, *result);
|
||||
}
|
||||
}
|
||||
}
|
||||
return p + 1;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
%%{
|
||||
machine JSON_value;
|
||||
include JSON_common;
|
||||
|
||||
write data;
|
||||
|
||||
action parse_null {
|
||||
*result = Qnil;
|
||||
}
|
||||
action parse_false {
|
||||
*result = Qfalse;
|
||||
}
|
||||
action parse_true {
|
||||
*result = Qtrue;
|
||||
}
|
||||
action parse_nan {
|
||||
if (json->allow_nan) {
|
||||
*result = CNaN;
|
||||
} else {
|
||||
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2);
|
||||
}
|
||||
}
|
||||
action parse_infinity {
|
||||
if (json->allow_nan) {
|
||||
*result = CInfinity;
|
||||
} else {
|
||||
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8);
|
||||
}
|
||||
}
|
||||
action parse_string {
|
||||
char *np = JSON_parse_string(json, fpc, pe, result);
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
action parse_number {
|
||||
char *np;
|
||||
if(pe > fpc + 9 && !strncmp(MinusInfinity, fpc, 9)) {
|
||||
if (json->allow_nan) {
|
||||
*result = CMinusInfinity;
|
||||
fexec p + 10;
|
||||
fhold; fbreak;
|
||||
} else {
|
||||
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
|
||||
}
|
||||
}
|
||||
np = JSON_parse_float(json, fpc, pe, result);
|
||||
if (np != NULL) fexec np;
|
||||
np = JSON_parse_integer(json, fpc, pe, result);
|
||||
if (np != NULL) fexec np;
|
||||
fhold; fbreak;
|
||||
}
|
||||
|
||||
action parse_array {
|
||||
char *np;
|
||||
json->current_nesting++;
|
||||
np = JSON_parse_array(json, fpc, pe, result);
|
||||
json->current_nesting--;
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
action parse_object {
|
||||
char *np;
|
||||
json->current_nesting++;
|
||||
np = JSON_parse_object(json, fpc, pe, result);
|
||||
json->current_nesting--;
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
main := (
|
||||
Vnull @parse_null |
|
||||
Vfalse @parse_false |
|
||||
Vtrue @parse_true |
|
||||
VNaN @parse_nan |
|
||||
VInfinity @parse_infinity |
|
||||
begin_number >parse_number |
|
||||
begin_string >parse_string |
|
||||
begin_array >parse_array |
|
||||
begin_object >parse_object
|
||||
) %*exit;
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
|
||||
%% write init;
|
||||
%% write exec;
|
||||
|
||||
if (cs >= JSON_value_first_final) {
|
||||
return p;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
%%{
|
||||
machine JSON_integer;
|
||||
|
||||
write data;
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
main := '-'? ('0' | [1-9][0-9]*) (^[0-9] @exit);
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
|
||||
%% write init;
|
||||
json->memo = p;
|
||||
%% write exec;
|
||||
|
||||
if (cs >= JSON_integer_first_final) {
|
||||
long len = p - json->memo;
|
||||
*result = rb_Integer(rb_str_new(json->memo, len));
|
||||
return p + 1;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
%%{
|
||||
machine JSON_float;
|
||||
include JSON_common;
|
||||
|
||||
write data;
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
main := '-'? (
|
||||
(('0' | [1-9][0-9]*) '.' [0-9]+ ([Ee] [+\-]?[0-9]+)?)
|
||||
| (('0' | [1-9][0-9]*) ([Ee] [+\-]?[0-9]+))
|
||||
) (^[0-9Ee.\-] @exit );
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
|
||||
%% write init;
|
||||
json->memo = p;
|
||||
%% write exec;
|
||||
|
||||
if (cs >= JSON_float_first_final) {
|
||||
long len = p - json->memo;
|
||||
*result = rb_Float(rb_str_new(json->memo, len));
|
||||
return p + 1;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
%%{
|
||||
machine JSON_array;
|
||||
include JSON_common;
|
||||
|
||||
write data;
|
||||
|
||||
action parse_value {
|
||||
VALUE v = Qnil;
|
||||
char *np = JSON_parse_value(json, fpc, pe, &v);
|
||||
if (np == NULL) {
|
||||
fhold; fbreak;
|
||||
} else {
|
||||
rb_ary_push(*result, v);
|
||||
fexec np;
|
||||
}
|
||||
}
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
next_element = value_separator ignore* begin_value >parse_value;
|
||||
|
||||
main := begin_array ignore*
|
||||
((begin_value >parse_value ignore*)
|
||||
(ignore* next_element ignore*)*)?
|
||||
end_array @exit;
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
VALUE array_class = json->array_class;
|
||||
|
||||
if (json->max_nesting && json->current_nesting > json->max_nesting) {
|
||||
rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
|
||||
}
|
||||
*result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class);
|
||||
|
||||
%% write init;
|
||||
%% write exec;
|
||||
|
||||
if(cs >= JSON_array_first_final) {
|
||||
return p + 1;
|
||||
} else {
|
||||
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd)
|
||||
{
|
||||
char *p = string, *pe = string, *unescape;
|
||||
int unescape_len;
|
||||
|
||||
while (pe < stringEnd) {
|
||||
if (*pe == '\\') {
|
||||
unescape = (char *) "?";
|
||||
unescape_len = 1;
|
||||
if (pe > p) rb_str_buf_cat(result, p, pe - p);
|
||||
switch (*++pe) {
|
||||
case 'n':
|
||||
unescape = (char *) "\n";
|
||||
break;
|
||||
case 'r':
|
||||
unescape = (char *) "\r";
|
||||
break;
|
||||
case 't':
|
||||
unescape = (char *) "\t";
|
||||
break;
|
||||
case '"':
|
||||
unescape = (char *) "\"";
|
||||
break;
|
||||
case '\\':
|
||||
unescape = (char *) "\\";
|
||||
break;
|
||||
case 'b':
|
||||
unescape = (char *) "\b";
|
||||
break;
|
||||
case 'f':
|
||||
unescape = (char *) "\f";
|
||||
break;
|
||||
case 'u':
|
||||
if (pe > stringEnd - 4) {
|
||||
return Qnil;
|
||||
} else {
|
||||
char buf[4];
|
||||
UTF32 ch = unescape_unicode((unsigned char *) ++pe);
|
||||
pe += 3;
|
||||
if (UNI_SUR_HIGH_START == (ch & 0xFC00)) {
|
||||
pe++;
|
||||
if (pe > stringEnd - 6) return Qnil;
|
||||
if (pe[0] == '\\' && pe[1] == 'u') {
|
||||
UTF32 sur = unescape_unicode((unsigned char *) pe + 2);
|
||||
ch = (((ch & 0x3F) << 10) | ((((ch >> 6) & 0xF) + 1) << 16)
|
||||
| (sur & 0x3FF));
|
||||
pe += 5;
|
||||
} else {
|
||||
unescape = (char *) "?";
|
||||
break;
|
||||
}
|
||||
}
|
||||
unescape_len = convert_UTF32_to_UTF8(buf, ch);
|
||||
unescape = buf;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
p = pe;
|
||||
continue;
|
||||
}
|
||||
rb_str_buf_cat(result, unescape, unescape_len);
|
||||
p = ++pe;
|
||||
} else {
|
||||
pe++;
|
||||
}
|
||||
}
|
||||
rb_str_buf_cat(result, p, pe - p);
|
||||
return result;
|
||||
}
|
||||
|
||||
%%{
|
||||
machine JSON_string;
|
||||
include JSON_common;
|
||||
|
||||
write data;
|
||||
|
||||
action parse_string {
|
||||
*result = json_string_unescape(*result, json->memo + 1, p);
|
||||
if (NIL_P(*result)) {
|
||||
fhold;
|
||||
fbreak;
|
||||
} else {
|
||||
FORCE_UTF8(*result);
|
||||
fexec p + 1;
|
||||
}
|
||||
}
|
||||
|
||||
action exit { fhold; fbreak; }
|
||||
|
||||
main := '"' ((^(["\\] | 0..0x1f) | '\\'["\\/bfnrt] | '\\u'[0-9a-fA-F]{4} | '\\'^(["\\/bfnrtu]|0..0x1f))* %parse_string) '"' @exit;
|
||||
}%%
|
||||
|
||||
static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result)
|
||||
{
|
||||
int cs = EVIL;
|
||||
|
||||
*result = rb_str_buf_new(0);
|
||||
%% write init;
|
||||
json->memo = p;
|
||||
%% write exec;
|
||||
|
||||
if (json->symbolize_names && json->parsing_name) {
|
||||
*result = rb_str_intern(*result);
|
||||
}
|
||||
if (cs >= JSON_string_first_final) {
|
||||
return p + 1;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
%%{
|
||||
machine JSON;
|
||||
|
||||
write data;
|
||||
|
||||
include JSON_common;
|
||||
|
||||
action parse_object {
|
||||
char *np;
|
||||
json->current_nesting = 1;
|
||||
np = JSON_parse_object(json, fpc, pe, &result);
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
action parse_array {
|
||||
char *np;
|
||||
json->current_nesting = 1;
|
||||
np = JSON_parse_array(json, fpc, pe, &result);
|
||||
if (np == NULL) { fhold; fbreak; } else fexec np;
|
||||
}
|
||||
|
||||
main := ignore* (
|
||||
begin_object >parse_object |
|
||||
begin_array >parse_array
|
||||
) ignore*;
|
||||
}%%
|
||||
|
||||
/*
|
||||
* Document-class: JSON::Ext::Parser
|
||||
*
|
||||
* This is the JSON parser implemented as a C extension. It can be configured
|
||||
* to be used by setting
|
||||
*
|
||||
* JSON.parser = JSON::Ext::Parser
|
||||
*
|
||||
* with the method parser= in JSON.
|
||||
*
|
||||
*/
|
||||
|
||||
static VALUE convert_encoding(VALUE source)
|
||||
{
|
||||
char *ptr = RSTRING_PTR(source);
|
||||
long len = RSTRING_LEN(source);
|
||||
if (len < 2) {
|
||||
rb_raise(eParserError, "A JSON text must at least contain two octets!");
|
||||
}
|
||||
#ifdef HAVE_RUBY_ENCODING_H
|
||||
{
|
||||
VALUE encoding = rb_funcall(source, i_encoding, 0);
|
||||
if (encoding == CEncoding_ASCII_8BIT) {
|
||||
if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) {
|
||||
source = rb_str_dup(source);
|
||||
rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32BE);
|
||||
source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8);
|
||||
} else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) {
|
||||
source = rb_str_dup(source);
|
||||
rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16BE);
|
||||
source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8);
|
||||
} else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) {
|
||||
source = rb_str_dup(source);
|
||||
rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32LE);
|
||||
source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8);
|
||||
} else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) {
|
||||
source = rb_str_dup(source);
|
||||
rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16LE);
|
||||
source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8);
|
||||
} else {
|
||||
FORCE_UTF8(source);
|
||||
}
|
||||
} else {
|
||||
source = rb_funcall(source, i_encode, 1, CEncoding_UTF_8);
|
||||
}
|
||||
}
|
||||
#else
|
||||
if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) {
|
||||
source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32be"), source);
|
||||
} else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) {
|
||||
source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16be"), source);
|
||||
} else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) {
|
||||
source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32le"), source);
|
||||
} else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) {
|
||||
source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16le"), source);
|
||||
}
|
||||
#endif
|
||||
return source;
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq: new(source, opts => {})
|
||||
*
|
||||
* Creates a new JSON::Ext::Parser instance for the string _source_.
|
||||
*
|
||||
* Creates a new JSON::Ext::Parser instance for the string _source_.
|
||||
*
|
||||
* It will be configured by the _opts_ hash. _opts_ can have the following
|
||||
* keys:
|
||||
*
|
||||
* _opts_ can have the following keys:
|
||||
* * *max_nesting*: The maximum depth of nesting allowed in the parsed data
|
||||
* structures. Disable depth checking with :max_nesting => false|nil|0, it
|
||||
* defaults to 19.
|
||||
* * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in
|
||||
* defiance of RFC 4627 to be parsed by the Parser. This option defaults to
|
||||
* false.
|
||||
* * *symbolize_names*: If set to true, returns symbols for the names
|
||||
* (keys) in a JSON object. Otherwise strings are returned, which is also
|
||||
* the default.
|
||||
* * *create_additions*: If set to false, the Parser doesn't create
|
||||
* additions even if a matchin class and create_id was found. This option
|
||||
* defaults to true.
|
||||
* * *object_class*: Defaults to Hash
|
||||
* * *array_class*: Defaults to Array
|
||||
*/
|
||||
static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self)
|
||||
{
|
||||
char *ptr;
|
||||
long len;
|
||||
VALUE source, opts;
|
||||
GET_PARSER;
|
||||
rb_scan_args(argc, argv, "11", &source, &opts);
|
||||
source = convert_encoding(StringValue(source));
|
||||
ptr = RSTRING_PTR(source);
|
||||
len = RSTRING_LEN(source);
|
||||
if (!NIL_P(opts)) {
|
||||
opts = rb_convert_type(opts, T_HASH, "Hash", "to_hash");
|
||||
if (NIL_P(opts)) {
|
||||
rb_raise(rb_eArgError, "opts needs to be like a hash");
|
||||
} else {
|
||||
VALUE tmp = ID2SYM(i_max_nesting);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
VALUE max_nesting = rb_hash_aref(opts, tmp);
|
||||
if (RTEST(max_nesting)) {
|
||||
Check_Type(max_nesting, T_FIXNUM);
|
||||
json->max_nesting = FIX2INT(max_nesting);
|
||||
} else {
|
||||
json->max_nesting = 0;
|
||||
}
|
||||
} else {
|
||||
json->max_nesting = 19;
|
||||
}
|
||||
tmp = ID2SYM(i_allow_nan);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
VALUE allow_nan = rb_hash_aref(opts, tmp);
|
||||
json->allow_nan = RTEST(allow_nan) ? 1 : 0;
|
||||
} else {
|
||||
json->allow_nan = 0;
|
||||
}
|
||||
tmp = ID2SYM(i_symbolize_names);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
VALUE symbolize_names = rb_hash_aref(opts, tmp);
|
||||
json->symbolize_names = RTEST(symbolize_names) ? 1 : 0;
|
||||
} else {
|
||||
json->symbolize_names = 0;
|
||||
}
|
||||
tmp = ID2SYM(i_create_additions);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
VALUE create_additions = rb_hash_aref(opts, tmp);
|
||||
if (RTEST(create_additions)) {
|
||||
json->create_id = rb_funcall(mJSON, i_create_id, 0);
|
||||
} else {
|
||||
json->create_id = Qnil;
|
||||
}
|
||||
} else {
|
||||
json->create_id = rb_funcall(mJSON, i_create_id, 0);
|
||||
}
|
||||
tmp = ID2SYM(i_object_class);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
json->object_class = rb_hash_aref(opts, tmp);
|
||||
} else {
|
||||
json->object_class = Qnil;
|
||||
}
|
||||
tmp = ID2SYM(i_array_class);
|
||||
if (option_given_p(opts, tmp)) {
|
||||
json->array_class = rb_hash_aref(opts, tmp);
|
||||
} else {
|
||||
json->array_class = Qnil;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
json->max_nesting = 19;
|
||||
json->allow_nan = 0;
|
||||
json->create_id = rb_funcall(mJSON, i_create_id, 0);
|
||||
json->object_class = Qnil;
|
||||
json->array_class = Qnil;
|
||||
}
|
||||
json->current_nesting = 0;
|
||||
json->len = len;
|
||||
json->source = ptr;
|
||||
json->Vsource = source;
|
||||
return self;
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq: parse()
|
||||
*
|
||||
* Parses the current JSON text _source_ and returns the complete data
|
||||
* structure as a result.
|
||||
*/
|
||||
static VALUE cParser_parse(VALUE self)
|
||||
{
|
||||
char *p, *pe;
|
||||
int cs = EVIL;
|
||||
VALUE result = Qnil;
|
||||
GET_PARSER;
|
||||
|
||||
%% write init;
|
||||
p = json->source;
|
||||
pe = p + json->len;
|
||||
%% write exec;
|
||||
|
||||
if (cs >= JSON_first_final && p == pe) {
|
||||
return result;
|
||||
} else {
|
||||
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
|
||||
return Qnil;
|
||||
}
|
||||
}
|
||||
|
||||
static JSON_Parser *JSON_allocate()
|
||||
{
|
||||
JSON_Parser *json = ALLOC(JSON_Parser);
|
||||
MEMZERO(json, JSON_Parser, 1);
|
||||
return json;
|
||||
}
|
||||
|
||||
static void JSON_mark(JSON_Parser *json)
|
||||
{
|
||||
rb_gc_mark_maybe(json->Vsource);
|
||||
rb_gc_mark_maybe(json->create_id);
|
||||
rb_gc_mark_maybe(json->object_class);
|
||||
rb_gc_mark_maybe(json->array_class);
|
||||
}
|
||||
|
||||
static void JSON_free(JSON_Parser *json)
|
||||
{
|
||||
ruby_xfree(json);
|
||||
}
|
||||
|
||||
static VALUE cJSON_parser_s_allocate(VALUE klass)
|
||||
{
|
||||
JSON_Parser *json = JSON_allocate();
|
||||
return Data_Wrap_Struct(klass, JSON_mark, JSON_free, json);
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq: source()
|
||||
*
|
||||
* Returns a copy of the current _source_ string, that was used to construct
|
||||
* this Parser.
|
||||
*/
|
||||
static VALUE cParser_source(VALUE self)
|
||||
{
|
||||
GET_PARSER;
|
||||
return rb_str_dup(json->Vsource);
|
||||
}
|
||||
|
||||
void Init_parser()
|
||||
{
|
||||
rb_require("json/common");
|
||||
mJSON = rb_define_module("JSON");
|
||||
mExt = rb_define_module_under(mJSON, "Ext");
|
||||
cParser = rb_define_class_under(mExt, "Parser", rb_cObject);
|
||||
eParserError = rb_path2class("JSON::ParserError");
|
||||
eNestingError = rb_path2class("JSON::NestingError");
|
||||
rb_define_alloc_func(cParser, cJSON_parser_s_allocate);
|
||||
rb_define_method(cParser, "initialize", cParser_initialize, -1);
|
||||
rb_define_method(cParser, "parse", cParser_parse, 0);
|
||||
rb_define_method(cParser, "source", cParser_source, 0);
|
||||
|
||||
CNaN = rb_const_get(mJSON, rb_intern("NaN"));
|
||||
CInfinity = rb_const_get(mJSON, rb_intern("Infinity"));
|
||||
CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity"));
|
||||
|
||||
i_json_creatable_p = rb_intern("json_creatable?");
|
||||
i_json_create = rb_intern("json_create");
|
||||
i_create_id = rb_intern("create_id");
|
||||
i_create_additions = rb_intern("create_additions");
|
||||
i_chr = rb_intern("chr");
|
||||
i_max_nesting = rb_intern("max_nesting");
|
||||
i_allow_nan = rb_intern("allow_nan");
|
||||
i_symbolize_names = rb_intern("symbolize_names");
|
||||
i_object_class = rb_intern("object_class");
|
||||
i_array_class = rb_intern("array_class");
|
||||
i_key_p = rb_intern("key?");
|
||||
i_deep_const_get = rb_intern("deep_const_get");
|
||||
#ifdef HAVE_RUBY_ENCODING_H
|
||||
CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
|
||||
CEncoding_UTF_16BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16be"));
|
||||
CEncoding_UTF_16LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16le"));
|
||||
CEncoding_UTF_32BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32be"));
|
||||
CEncoding_UTF_32LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32le"));
|
||||
CEncoding_ASCII_8BIT = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("ascii-8bit"));
|
||||
i_encoding = rb_intern("encoding");
|
||||
i_encode = rb_intern("encode");
|
||||
i_encode_bang = rb_intern("encode!");
|
||||
i_force_encoding = rb_intern("force_encoding");
|
||||
#else
|
||||
i_iconv = rb_intern("iconv");
|
||||
#endif
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue