/* ![[previous]](../icons/n_left.png)
![[next]](../icons/n_right.png)
![[first]](../icons/first.png)
![[last]](../icons/last.png)
![[top]](../icons/n_top.png)
![[bottom]](../icons/bottom.png)
![[index]](../icons/index.png)
![[help]](../icons/help.png)
*/
DEFINITIONS
This source file includes following definitions.
- JSON_Parser
- JSON_parse_object
- JSON_parse_value
- JSON_parse_integer
- JSON_parse_float
- JSON_parse_array
- json_string_unescape
- JSON_parse_string
- cParser_initialize
- cParser_parse
- JSON_allocate
- JSON_mark
- JSON_free
- cJSON_parser_s_allocate
- cParser_source
- Init_parser
#line 1 "parser.rl"
#include "ruby.h"
#include "ruby/encoding.h"
#include "unicode.h"
#define EVIL 0x666
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;
#define MinusInfinity "-Infinity"
typedef struct JSON_ParserStruct {
VALUE Vsource;
char *source;
long len;
char *memo;
VALUE create_id;
int max_nesting;
int current_nesting;
int allow_nan;
} JSON_Parser;
static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result);
static char *JSON_parse_array(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_string(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);
#define GET_STRUCT \
JSON_Parser *json; \
Data_Get_Struct(self, JSON_Parser, json);
#line 64 "parser.rl"
#line 44 "parser.c"
static const int JSON_object_start = 1;
static const int JSON_object_first_final = 27;
static const int JSON_object_error = 0;
static const int JSON_object_en_main = 1;
#line 97 "parser.rl"
static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
VALUE last_name = Qnil;
if (json->max_nesting && json->current_nesting > json->max_nesting) {
rb_raise(eNestingError, "nesting of %d is to deep", json->current_nesting);
}
*result = rb_hash_new();
#line 66 "parser.c"
{
cs = JSON_object_start;
}
#line 111 "parser.rl"
#line 72 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
if ( (*p) == 123 )
goto st2;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
switch( (*p) ) {
case 13: goto st2;
case 32: goto st2;
case 34: goto tr2;
case 47: goto st23;
case 125: goto tr4;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st2;
goto st0;
tr2:
#line 83 "parser.rl"
{
char *np = JSON_parse_string(json, p, pe, &last_name);
if (np == NULL) { p--; {p++; cs = 3; goto _out;} } else {p = (( np))-1;}
}
goto st3;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
#line 110 "parser.c"
switch( (*p) ) {
case 13: goto st3;
case 32: goto st3;
case 47: goto st4;
case 58: goto st8;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st3;
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
switch( (*p) ) {
case 42: goto st5;
case 47: goto st7;
}
goto st0;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
if ( (*p) == 42 )
goto st6;
goto st5;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
switch( (*p) ) {
case 42: goto st6;
case 47: goto st3;
}
goto st5;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
if ( (*p) == 10 )
goto st3;
goto st7;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
switch( (*p) ) {
case 13: goto st8;
case 32: goto st8;
case 34: goto tr11;
case 45: goto tr11;
case 47: goto st19;
case 73: goto tr11;
case 78: goto tr11;
case 91: goto tr11;
case 102: goto tr11;
case 110: goto tr11;
case 116: goto tr11;
case 123: goto tr11;
}
if ( (*p) > 10 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr11;
} else if ( (*p) >= 9 )
goto st8;
goto st0;
tr11:
#line 72 "parser.rl"
{
VALUE v = Qnil;
char *np = JSON_parse_value(json, p, pe, &v);
if (np == NULL) {
p--; {p++; cs = 9; goto _out;}
} else {
rb_hash_aset(*result, last_name, v);
{p = (( np))-1;}
}
}
goto st9;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
#line 193 "parser.c"
switch( (*p) ) {
case 13: goto st9;
case 32: goto st9;
case 44: goto st10;
case 47: goto st15;
case 125: goto tr4;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st9;
goto st0;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
switch( (*p) ) {
case 13: goto st10;
case 32: goto st10;
case 34: goto tr2;
case 47: goto st11;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st10;
goto st0;
st11:
if ( ++p == pe )
goto _test_eof11;
case 11:
switch( (*p) ) {
case 42: goto st12;
case 47: goto st14;
}
goto st0;
st12:
if ( ++p == pe )
goto _test_eof12;
case 12:
if ( (*p) == 42 )
goto st13;
goto st12;
st13:
if ( ++p == pe )
goto _test_eof13;
case 13:
switch( (*p) ) {
case 42: goto st13;
case 47: goto st10;
}
goto st12;
st14:
if ( ++p == pe )
goto _test_eof14;
case 14:
if ( (*p) == 10 )
goto st10;
goto st14;
st15:
if ( ++p == pe )
goto _test_eof15;
case 15:
switch( (*p) ) {
case 42: goto st16;
case 47: goto st18;
}
goto st0;
st16:
if ( ++p == pe )
goto _test_eof16;
case 16:
if ( (*p) == 42 )
goto st17;
goto st16;
st17:
if ( ++p == pe )
goto _test_eof17;
case 17:
switch( (*p) ) {
case 42: goto st17;
case 47: goto st9;
}
goto st16;
st18:
if ( ++p == pe )
goto _test_eof18;
case 18:
if ( (*p) == 10 )
goto st9;
goto st18;
tr4:
#line 88 "parser.rl"
{ p--; {p++; cs = 27; goto _out;} }
goto st27;
st27:
if ( ++p == pe )
goto _test_eof27;
case 27:
#line 289 "parser.c"
goto st0;
st19:
if ( ++p == pe )
goto _test_eof19;
case 19:
switch( (*p) ) {
case 42: goto st20;
case 47: goto st22;
}
goto st0;
st20:
if ( ++p == pe )
goto _test_eof20;
case 20:
if ( (*p) == 42 )
goto st21;
goto st20;
st21:
if ( ++p == pe )
goto _test_eof21;
case 21:
switch( (*p) ) {
case 42: goto st21;
case 47: goto st8;
}
goto st20;
st22:
if ( ++p == pe )
goto _test_eof22;
case 22:
if ( (*p) == 10 )
goto st8;
goto st22;
st23:
if ( ++p == pe )
goto _test_eof23;
case 23:
switch( (*p) ) {
case 42: goto st24;
case 47: goto st26;
}
goto st0;
st24:
if ( ++p == pe )
goto _test_eof24;
case 24:
if ( (*p) == 42 )
goto st25;
goto st24;
st25:
if ( ++p == pe )
goto _test_eof25;
case 25:
switch( (*p) ) {
case 42: goto st25;
case 47: goto st2;
}
goto st24;
st26:
if ( ++p == pe )
goto _test_eof26;
case 26:
if ( (*p) == 10 )
goto st2;
goto st26;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof9: cs = 9; goto _test_eof;
_test_eof10: cs = 10; goto _test_eof;
_test_eof11: cs = 11; goto _test_eof;
_test_eof12: cs = 12; goto _test_eof;
_test_eof13: cs = 13; goto _test_eof;
_test_eof14: cs = 14; goto _test_eof;
_test_eof15: cs = 15; goto _test_eof;
_test_eof16: cs = 16; goto _test_eof;
_test_eof17: cs = 17; goto _test_eof;
_test_eof18: cs = 18; goto _test_eof;
_test_eof27: cs = 27; goto _test_eof;
_test_eof19: cs = 19; goto _test_eof;
_test_eof20: cs = 20; goto _test_eof;
_test_eof21: cs = 21; goto _test_eof;
_test_eof22: cs = 22; goto _test_eof;
_test_eof23: cs = 23; goto _test_eof;
_test_eof24: cs = 24; goto _test_eof;
_test_eof25: cs = 25; goto _test_eof;
_test_eof26: cs = 26; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 112 "parser.rl"
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_path2class(StringValueCStr(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;
}
}
#line 405 "parser.c"
static const int JSON_value_start = 1;
static const int JSON_value_first_final = 21;
static const int JSON_value_error = 0;
static const int JSON_value_en_main = 1;
#line 210 "parser.rl"
static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
#line 420 "parser.c"
{
cs = JSON_value_start;
}
#line 217 "parser.rl"
#line 426 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
switch( (*p) ) {
case 34: goto tr0;
case 45: goto tr2;
case 73: goto st2;
case 78: goto st9;
case 91: goto tr5;
case 102: goto st11;
case 110: goto st15;
case 116: goto st18;
case 123: goto tr9;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto tr2;
goto st0;
st0:
cs = 0;
goto _out;
tr0:
#line 158 "parser.rl"
{
char *np = JSON_parse_string(json, p, pe, result);
if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;}
}
goto st21;
tr2:
#line 163 "parser.rl"
{
char *np;
if(pe > p + 9 && !strncmp(MinusInfinity, p, 9)) {
if (json->allow_nan) {
*result = CMinusInfinity;
{p = (( p + 10))-1;}
p--; {p++; cs = 21; goto _out;}
} else {
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
}
}
np = JSON_parse_float(json, p, pe, result);
if (np != NULL) {p = (( np))-1;}
np = JSON_parse_integer(json, p, pe, result);
if (np != NULL) {p = (( np))-1;}
p--; {p++; cs = 21; goto _out;}
}
goto st21;
tr5:
#line 181 "parser.rl"
{
char *np;
json->current_nesting++;
np = JSON_parse_array(json, p, pe, result);
json->current_nesting--;
if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;}
}
goto st21;
tr9:
#line 189 "parser.rl"
{
char *np;
json->current_nesting++;
np = JSON_parse_object(json, p, pe, result);
json->current_nesting--;
if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;}
}
goto st21;
tr16:
#line 151 "parser.rl"
{
if (json->allow_nan) {
*result = CInfinity;
} else {
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8);
}
}
goto st21;
tr18:
#line 144 "parser.rl"
{
if (json->allow_nan) {
*result = CNaN;
} else {
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2);
}
}
goto st21;
tr22:
#line 138 "parser.rl"
{
*result = Qfalse;
}
goto st21;
tr25:
#line 135 "parser.rl"
{
*result = Qnil;
}
goto st21;
tr28:
#line 141 "parser.rl"
{
*result = Qtrue;
}
goto st21;
st21:
if ( ++p == pe )
goto _test_eof21;
case 21:
#line 197 "parser.rl"
{ p--; {p++; cs = 21; goto _out;} }
#line 541 "parser.c"
goto st0;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
if ( (*p) == 110 )
goto st3;
goto st0;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
if ( (*p) == 102 )
goto st4;
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
if ( (*p) == 105 )
goto st5;
goto st0;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
if ( (*p) == 110 )
goto st6;
goto st0;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
if ( (*p) == 105 )
goto st7;
goto st0;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
if ( (*p) == 116 )
goto st8;
goto st0;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
if ( (*p) == 121 )
goto tr16;
goto st0;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
if ( (*p) == 97 )
goto st10;
goto st0;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
if ( (*p) == 78 )
goto tr18;
goto st0;
st11:
if ( ++p == pe )
goto _test_eof11;
case 11:
if ( (*p) == 97 )
goto st12;
goto st0;
st12:
if ( ++p == pe )
goto _test_eof12;
case 12:
if ( (*p) == 108 )
goto st13;
goto st0;
st13:
if ( ++p == pe )
goto _test_eof13;
case 13:
if ( (*p) == 115 )
goto st14;
goto st0;
st14:
if ( ++p == pe )
goto _test_eof14;
case 14:
if ( (*p) == 101 )
goto tr22;
goto st0;
st15:
if ( ++p == pe )
goto _test_eof15;
case 15:
if ( (*p) == 117 )
goto st16;
goto st0;
st16:
if ( ++p == pe )
goto _test_eof16;
case 16:
if ( (*p) == 108 )
goto st17;
goto st0;
st17:
if ( ++p == pe )
goto _test_eof17;
case 17:
if ( (*p) == 108 )
goto tr25;
goto st0;
st18:
if ( ++p == pe )
goto _test_eof18;
case 18:
if ( (*p) == 114 )
goto st19;
goto st0;
st19:
if ( ++p == pe )
goto _test_eof19;
case 19:
if ( (*p) == 117 )
goto st20;
goto st0;
st20:
if ( ++p == pe )
goto _test_eof20;
case 20:
if ( (*p) == 101 )
goto tr28;
goto st0;
}
_test_eof21: cs = 21; goto _test_eof;
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof9: cs = 9; goto _test_eof;
_test_eof10: cs = 10; goto _test_eof;
_test_eof11: cs = 11; goto _test_eof;
_test_eof12: cs = 12; goto _test_eof;
_test_eof13: cs = 13; goto _test_eof;
_test_eof14: cs = 14; goto _test_eof;
_test_eof15: cs = 15; goto _test_eof;
_test_eof16: cs = 16; goto _test_eof;
_test_eof17: cs = 17; goto _test_eof;
_test_eof18: cs = 18; goto _test_eof;
_test_eof19: cs = 19; goto _test_eof;
_test_eof20: cs = 20; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 218 "parser.rl"
if (cs >= JSON_value_first_final) {
return p;
} else {
return NULL;
}
}
#line 711 "parser.c"
static const int JSON_integer_start = 1;
static const int JSON_integer_first_final = 5;
static const int JSON_integer_error = 0;
static const int JSON_integer_en_main = 1;
#line 234 "parser.rl"
static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
#line 726 "parser.c"
{
cs = JSON_integer_start;
}
#line 241 "parser.rl"
json->memo = p;
#line 733 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
switch( (*p) ) {
case 45: goto st2;
case 48: goto st3;
}
if ( 49 <= (*p) && (*p) <= 57 )
goto st4;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
if ( (*p) == 48 )
goto st3;
if ( 49 <= (*p) && (*p) <= 57 )
goto st4;
goto st0;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
if ( 48 <= (*p) && (*p) <= 57 )
goto st0;
goto tr4;
tr4:
#line 231 "parser.rl"
{ p--; {p++; cs = 5; goto _out;} }
goto st5;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
#line 774 "parser.c"
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
if ( 48 <= (*p) && (*p) <= 57 )
goto st4;
goto tr4;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 243 "parser.rl"
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;
}
}
#line 804 "parser.c"
static const int JSON_float_start = 1;
static const int JSON_float_first_final = 10;
static const int JSON_float_error = 0;
static const int JSON_float_en_main = 1;
#line 265 "parser.rl"
static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
#line 819 "parser.c"
{
cs = JSON_float_start;
}
#line 272 "parser.rl"
json->memo = p;
#line 826 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
switch( (*p) ) {
case 45: goto st2;
case 48: goto st3;
}
if ( 49 <= (*p) && (*p) <= 57 )
goto st9;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
if ( (*p) == 48 )
goto st3;
if ( 49 <= (*p) && (*p) <= 57 )
goto st9;
goto st0;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
switch( (*p) ) {
case 46: goto st4;
case 69: goto st6;
case 101: goto st6;
}
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
if ( 48 <= (*p) && (*p) <= 57 )
goto st5;
goto st0;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
switch( (*p) ) {
case 69: goto st6;
case 101: goto st6;
}
if ( (*p) > 46 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st5;
} else if ( (*p) >= 45 )
goto st0;
goto tr7;
tr7:
#line 259 "parser.rl"
{ p--; {p++; cs = 10; goto _out;} }
goto st10;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
#line 891 "parser.c"
goto st0;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
switch( (*p) ) {
case 43: goto st7;
case 45: goto st7;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto st8;
goto st0;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
if ( 48 <= (*p) && (*p) <= 57 )
goto st8;
goto st0;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
switch( (*p) ) {
case 69: goto st0;
case 101: goto st0;
}
if ( (*p) > 46 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st8;
} else if ( (*p) >= 45 )
goto st0;
goto tr7;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
switch( (*p) ) {
case 46: goto st4;
case 69: goto st6;
case 101: goto st6;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto st9;
goto st0;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof10: cs = 10; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof9: cs = 9; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 274 "parser.rl"
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;
}
}
#line 964 "parser.c"
static const int JSON_array_start = 1;
static const int JSON_array_first_final = 17;
static const int JSON_array_error = 0;
static const int JSON_array_en_main = 1;
#line 310 "parser.rl"
static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
if (json->max_nesting && json->current_nesting > json->max_nesting) {
rb_raise(eNestingError, "nesting of %d is to deep", json->current_nesting);
}
*result = rb_ary_new();
#line 984 "parser.c"
{
cs = JSON_array_start;
}
#line 322 "parser.rl"
#line 990 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
if ( (*p) == 91 )
goto st2;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
switch( (*p) ) {
case 13: goto st2;
case 32: goto st2;
case 34: goto tr2;
case 45: goto tr2;
case 47: goto st13;
case 73: goto tr2;
case 78: goto tr2;
case 91: goto tr2;
case 93: goto tr4;
case 102: goto tr2;
case 110: goto tr2;
case 116: goto tr2;
case 123: goto tr2;
}
if ( (*p) > 10 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr2;
} else if ( (*p) >= 9 )
goto st2;
goto st0;
tr2:
#line 291 "parser.rl"
{
VALUE v = Qnil;
char *np = JSON_parse_value(json, p, pe, &v);
if (np == NULL) {
p--; {p++; cs = 3; goto _out;}
} else {
rb_ary_push(*result, v);
{p = (( np))-1;}
}
}
goto st3;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
#line 1045 "parser.c"
switch( (*p) ) {
case 13: goto st3;
case 32: goto st3;
case 44: goto st4;
case 47: goto st9;
case 93: goto tr4;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st3;
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
switch( (*p) ) {
case 13: goto st4;
case 32: goto st4;
case 34: goto tr2;
case 45: goto tr2;
case 47: goto st5;
case 73: goto tr2;
case 78: goto tr2;
case 91: goto tr2;
case 102: goto tr2;
case 110: goto tr2;
case 116: goto tr2;
case 123: goto tr2;
}
if ( (*p) > 10 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr2;
} else if ( (*p) >= 9 )
goto st4;
goto st0;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
switch( (*p) ) {
case 42: goto st6;
case 47: goto st8;
}
goto st0;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
if ( (*p) == 42 )
goto st7;
goto st6;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
switch( (*p) ) {
case 42: goto st7;
case 47: goto st4;
}
goto st6;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
if ( (*p) == 10 )
goto st4;
goto st8;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
switch( (*p) ) {
case 42: goto st10;
case 47: goto st12;
}
goto st0;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
if ( (*p) == 42 )
goto st11;
goto st10;
st11:
if ( ++p == pe )
goto _test_eof11;
case 11:
switch( (*p) ) {
case 42: goto st11;
case 47: goto st3;
}
goto st10;
st12:
if ( ++p == pe )
goto _test_eof12;
case 12:
if ( (*p) == 10 )
goto st3;
goto st12;
tr4:
#line 302 "parser.rl"
{ p--; {p++; cs = 17; goto _out;} }
goto st17;
st17:
if ( ++p == pe )
goto _test_eof17;
case 17:
#line 1152 "parser.c"
goto st0;
st13:
if ( ++p == pe )
goto _test_eof13;
case 13:
switch( (*p) ) {
case 42: goto st14;
case 47: goto st16;
}
goto st0;
st14:
if ( ++p == pe )
goto _test_eof14;
case 14:
if ( (*p) == 42 )
goto st15;
goto st14;
st15:
if ( ++p == pe )
goto _test_eof15;
case 15:
switch( (*p) ) {
case 42: goto st15;
case 47: goto st2;
}
goto st14;
st16:
if ( ++p == pe )
goto _test_eof16;
case 16:
if ( (*p) == 10 )
goto st2;
goto st16;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof9: cs = 9; goto _test_eof;
_test_eof10: cs = 10; goto _test_eof;
_test_eof11: cs = 11; goto _test_eof;
_test_eof12: cs = 12; goto _test_eof;
_test_eof17: cs = 17; goto _test_eof;
_test_eof13: cs = 13; goto _test_eof;
_test_eof14: cs = 14; goto _test_eof;
_test_eof15: cs = 15; goto _test_eof;
_test_eof16: cs = 16; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 323 "parser.rl"
if(cs >= JSON_array_first_final) {
return p + 1;
} else {
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
}
}
static VALUE json_string_unescape(char *p, char *pe)
{
VALUE result = rb_str_buf_new(pe - p + 1);
while (p < pe) {
if (*p == '\\') {
p++;
if (p >= pe) return Qnil; /* raise an exception later, \ at end */
switch (*p) {
case '"':
case '\\':
rb_str_buf_cat(result, p, 1);
p++;
break;
case 'b':
rb_str_buf_cat2(result, "\b");
p++;
break;
case 'f':
rb_str_buf_cat2(result, "\f");
p++;
break;
case 'n':
rb_str_buf_cat2(result, "\n");
p++;
break;
case 'r':
rb_str_buf_cat2(result, "\r");
p++;
break;
case 't':
rb_str_buf_cat2(result, "\t");
p++;
break;
case 'u':
if (p > pe - 4) {
return Qnil;
} else {
p = JSON_convert_UTF16_to_UTF8(result, p, pe, strictConversion);
}
break;
default:
rb_str_buf_cat(result, p, 1);
p++;
break;
}
} else {
char *q = p;
while (*q != '\\' && q < pe) q++;
rb_str_buf_cat(result, p, q - p);
p = q;
}
}
return result;
}
#line 1273 "parser.c"
static const int JSON_string_start = 1;
static const int JSON_string_first_final = 8;
static const int JSON_string_error = 0;
static const int JSON_string_en_main = 1;
#line 401 "parser.rl"
static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result)
{
int cs = EVIL;
*result = rb_str_new("", 0);
#line 1289 "parser.c"
{
cs = JSON_string_start;
}
#line 409 "parser.rl"
json->memo = p;
#line 1296 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
if ( (*p) == 34 )
goto st2;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
switch( (*p) ) {
case 34: goto tr2;
case 92: goto st3;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st2;
tr2:
#line 393 "parser.rl"
{
*result = json_string_unescape(json->memo + 1, p);
if (NIL_P(*result)) { p--; {p++; cs = 8; goto _out;} } else {p = (( p + 1))-1;}
}
#line 398 "parser.rl"
{ p--; {p++; cs = 8; goto _out;} }
goto st8;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
#line 1333 "parser.c"
goto st0;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
if ( (*p) == 117 )
goto st4;
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st2;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st5;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st5;
} else
goto st5;
goto st0;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st6;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st6;
} else
goto st6;
goto st0;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st7;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st7;
} else
goto st7;
goto st0;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st2;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st2;
} else
goto st2;
goto st0;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 411 "parser.rl"
if (cs >= JSON_string_first_final) {
rb_enc_associate(*result, rb_utf8_encoding());
return p + 1;
} else {
return NULL;
}
}
#line 1419 "parser.c"
static const int JSON_start = 1;
static const int JSON_first_final = 10;
static const int JSON_error = 0;
static const int JSON_en_main = 1;
#line 445 "parser.rl"
/*
* 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.
*
*/
/*
* 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.
* * *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.
*/
static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self)
{
char *ptr;
long len;
VALUE source, opts;
GET_STRUCT;
rb_scan_args(argc, argv, "11", &source, &opts);
source = StringValue(source);
ptr = RSTRING_PTR(source);
len = RSTRING_LEN(source);
if (len < 2) {
rb_raise(eParserError, "A JSON text must at least contain two octets!");
}
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 (st_lookup(RHASH_TBL(opts), tmp, 0)) {
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 (st_lookup(RHASH_TBL(opts), tmp, 0)) {
VALUE allow_nan = rb_hash_aref(opts, tmp);
json->allow_nan = RTEST(allow_nan) ? 1 : 0;
} else {
json->allow_nan = 0;
}
tmp = ID2SYM(i_create_additions);
if (st_lookup(RHASH_TBL(opts), tmp, 0)) {
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);
}
}
} else {
json->max_nesting = 19;
json->allow_nan = 0;
json->create_id = rb_funcall(mJSON, i_create_id, 0);
}
json->current_nesting = 0;
/*
Convert these?
if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) {
rb_raise(eParserError, "Only UTF8 octet streams are supported atm!");
} else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) {
rb_raise(eParserError, "Only UTF8 octet streams are supported atm!");
} else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) {
rb_raise(eParserError, "Only UTF8 octet streams are supported atm!");
} else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) {
rb_raise(eParserError, "Only UTF8 octet streams are supported atm!");
}
*/
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_STRUCT;
#line 1549 "parser.c"
{
cs = JSON_start;
}
#line 567 "parser.rl"
p = json->source;
pe = p + json->len;
#line 1557 "parser.c"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
st1:
if ( ++p == pe )
goto _test_eof1;
case 1:
switch( (*p) ) {
case 13: goto st1;
case 32: goto st1;
case 47: goto st2;
case 91: goto tr3;
case 123: goto tr4;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st1;
goto st0;
st0:
cs = 0;
goto _out;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
switch( (*p) ) {
case 42: goto st3;
case 47: goto st5;
}
goto st0;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
if ( (*p) == 42 )
goto st4;
goto st3;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
switch( (*p) ) {
case 42: goto st4;
case 47: goto st1;
}
goto st3;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
if ( (*p) == 10 )
goto st1;
goto st5;
tr3:
#line 434 "parser.rl"
{
char *np;
json->current_nesting = 1;
np = JSON_parse_array(json, p, pe, &result);
if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;}
}
goto st10;
tr4:
#line 427 "parser.rl"
{
char *np;
json->current_nesting = 1;
np = JSON_parse_object(json, p, pe, &result);
if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;}
}
goto st10;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
#line 1634 "parser.c"
switch( (*p) ) {
case 13: goto st10;
case 32: goto st10;
case 47: goto st6;
}
if ( 9 <= (*p) && (*p) <= 10 )
goto st10;
goto st0;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
switch( (*p) ) {
case 42: goto st7;
case 47: goto st9;
}
goto st0;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
if ( (*p) == 42 )
goto st8;
goto st7;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
switch( (*p) ) {
case 42: goto st8;
case 47: goto st10;
}
goto st7;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
if ( (*p) == 10 )
goto st10;
goto st9;
}
_test_eof1: cs = 1; goto _test_eof;
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof5: cs = 5; goto _test_eof;
_test_eof10: cs = 10; goto _test_eof;
_test_eof6: cs = 6; goto _test_eof;
_test_eof7: cs = 7; goto _test_eof;
_test_eof8: cs = 8; goto _test_eof;
_test_eof9: cs = 9; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 570 "parser.rl"
if (cs >= JSON_first_final && p == pe) {
return result;
} else {
rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
}
}
inline 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);
}
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_STRUCT;
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");
}
![[top]](../icons/top.png){kind=icon}
![[bottom]](../icons/n_bottom.png){kind=icon}