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5d379991de
* ext/json/{generator,parser}/depend: added.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27692 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
792 lines
24 KiB
Ragel
792 lines
24 KiB
Ragel
#include "parser.h"
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/* unicode */
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static const char digit_values[256] = {
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1,
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-1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1
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};
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static UTF32 unescape_unicode(const unsigned char *p)
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{
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char b;
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UTF32 result = 0;
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b = digit_values[p[0]];
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if (b < 0) return UNI_REPLACEMENT_CHAR;
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result = (result << 4) | b;
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b = digit_values[p[1]];
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result = (result << 4) | b;
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if (b < 0) return UNI_REPLACEMENT_CHAR;
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b = digit_values[p[2]];
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result = (result << 4) | b;
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if (b < 0) return UNI_REPLACEMENT_CHAR;
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b = digit_values[p[3]];
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result = (result << 4) | b;
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if (b < 0) return UNI_REPLACEMENT_CHAR;
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return result;
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}
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static int convert_UTF32_to_UTF8(char *buf, UTF32 ch)
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{
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int len = 1;
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if (ch <= 0x7F) {
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buf[0] = (char) ch;
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} else if (ch <= 0x07FF) {
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buf[0] = (char) ((ch >> 6) | 0xC0);
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buf[1] = (char) ((ch & 0x3F) | 0x80);
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len++;
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} else if (ch <= 0xFFFF) {
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buf[0] = (char) ((ch >> 12) | 0xE0);
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buf[1] = (char) (((ch >> 6) & 0x3F) | 0x80);
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buf[2] = (char) ((ch & 0x3F) | 0x80);
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len += 2;
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} else if (ch <= 0x1fffff) {
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buf[0] =(char) ((ch >> 18) | 0xF0);
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buf[1] =(char) (((ch >> 12) & 0x3F) | 0x80);
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buf[2] =(char) (((ch >> 6) & 0x3F) | 0x80);
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buf[3] =(char) ((ch & 0x3F) | 0x80);
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len += 3;
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} else {
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buf[0] = '?';
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}
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return len;
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}
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#ifdef HAVE_RUBY_ENCODING_H
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static VALUE CEncoding_ASCII_8BIT, CEncoding_UTF_8, CEncoding_UTF_16BE,
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CEncoding_UTF_16LE, CEncoding_UTF_32BE, CEncoding_UTF_32LE;
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static ID i_encoding, i_encode, i_encode_bang, i_force_encoding;
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#else
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static ID i_iconv;
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#endif
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static VALUE mJSON, mExt, cParser, eParserError, eNestingError;
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static VALUE CNaN, CInfinity, CMinusInfinity;
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static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions,
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i_chr, i_max_nesting, i_allow_nan, i_symbolize_names, i_object_class,
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i_array_class, i_key_p, i_deep_const_get;
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%%{
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machine JSON_common;
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cr = '\n';
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cr_neg = [^\n];
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ws = [ \t\r\n];
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c_comment = '/*' ( any* - (any* '*/' any* ) ) '*/';
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cpp_comment = '//' cr_neg* cr;
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comment = c_comment | cpp_comment;
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ignore = ws | comment;
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name_separator = ':';
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value_separator = ',';
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Vnull = 'null';
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Vfalse = 'false';
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Vtrue = 'true';
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VNaN = 'NaN';
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VInfinity = 'Infinity';
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VMinusInfinity = '-Infinity';
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begin_value = [nft"\-[{NI] | digit;
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begin_object = '{';
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end_object = '}';
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begin_array = '[';
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end_array = ']';
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begin_string = '"';
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begin_name = begin_string;
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begin_number = digit | '-';
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}%%
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%%{
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machine JSON_object;
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include JSON_common;
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write data;
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action parse_value {
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VALUE v = Qnil;
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char *np = JSON_parse_value(json, fpc, pe, &v);
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if (np == NULL) {
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fhold; fbreak;
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} else {
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rb_hash_aset(*result, last_name, v);
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fexec np;
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}
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}
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action parse_name {
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char *np;
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json->parsing_name = 1;
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np = JSON_parse_string(json, fpc, pe, &last_name);
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json->parsing_name = 0;
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if (np == NULL) { fhold; fbreak; } else fexec np;
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}
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action exit { fhold; fbreak; }
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a_pair = ignore* begin_name >parse_name
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ignore* name_separator ignore*
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begin_value >parse_value;
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main := begin_object
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(a_pair (ignore* value_separator a_pair)*)?
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ignore* end_object @exit;
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}%%
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static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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VALUE last_name = Qnil;
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VALUE object_class = json->object_class;
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if (json->max_nesting && json->current_nesting > json->max_nesting) {
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rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
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}
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*result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class);
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%% write init;
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%% write exec;
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if (cs >= JSON_object_first_final) {
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if (RTEST(json->create_id)) {
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VALUE klassname = rb_hash_aref(*result, json->create_id);
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if (!NIL_P(klassname)) {
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VALUE klass = rb_funcall(mJSON, i_deep_const_get, 1, klassname);
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if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) {
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*result = rb_funcall(klass, i_json_create, 1, *result);
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}
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}
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}
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return p + 1;
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} else {
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return NULL;
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}
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}
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%%{
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machine JSON_value;
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include JSON_common;
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write data;
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action parse_null {
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*result = Qnil;
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}
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action parse_false {
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*result = Qfalse;
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}
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action parse_true {
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*result = Qtrue;
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}
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action parse_nan {
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if (json->allow_nan) {
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*result = CNaN;
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} else {
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rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2);
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}
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}
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action parse_infinity {
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if (json->allow_nan) {
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*result = CInfinity;
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} else {
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rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8);
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}
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}
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action parse_string {
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char *np = JSON_parse_string(json, fpc, pe, result);
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if (np == NULL) { fhold; fbreak; } else fexec np;
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}
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action parse_number {
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char *np;
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if(pe > fpc + 9 && !strncmp(MinusInfinity, fpc, 9)) {
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if (json->allow_nan) {
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*result = CMinusInfinity;
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fexec p + 10;
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fhold; fbreak;
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} else {
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rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
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}
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}
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np = JSON_parse_float(json, fpc, pe, result);
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if (np != NULL) fexec np;
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np = JSON_parse_integer(json, fpc, pe, result);
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if (np != NULL) fexec np;
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fhold; fbreak;
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}
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action parse_array {
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char *np;
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json->current_nesting++;
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np = JSON_parse_array(json, fpc, pe, result);
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json->current_nesting--;
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if (np == NULL) { fhold; fbreak; } else fexec np;
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}
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action parse_object {
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char *np;
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json->current_nesting++;
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np = JSON_parse_object(json, fpc, pe, result);
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json->current_nesting--;
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if (np == NULL) { fhold; fbreak; } else fexec np;
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}
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action exit { fhold; fbreak; }
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main := (
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Vnull @parse_null |
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Vfalse @parse_false |
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Vtrue @parse_true |
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VNaN @parse_nan |
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VInfinity @parse_infinity |
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begin_number >parse_number |
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begin_string >parse_string |
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begin_array >parse_array |
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begin_object >parse_object
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) %*exit;
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}%%
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static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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%% write init;
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%% write exec;
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if (cs >= JSON_value_first_final) {
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return p;
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} else {
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return NULL;
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}
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}
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%%{
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machine JSON_integer;
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write data;
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action exit { fhold; fbreak; }
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main := '-'? ('0' | [1-9][0-9]*) (^[0-9] @exit);
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}%%
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static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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%% write init;
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json->memo = p;
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%% write exec;
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if (cs >= JSON_integer_first_final) {
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long len = p - json->memo;
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*result = rb_Integer(rb_str_new(json->memo, len));
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return p + 1;
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} else {
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return NULL;
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}
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}
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%%{
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machine JSON_float;
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include JSON_common;
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write data;
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action exit { fhold; fbreak; }
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main := '-'? (
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(('0' | [1-9][0-9]*) '.' [0-9]+ ([Ee] [+\-]?[0-9]+)?)
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| (('0' | [1-9][0-9]*) ([Ee] [+\-]?[0-9]+))
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) (^[0-9Ee.\-] @exit );
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}%%
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static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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%% write init;
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json->memo = p;
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%% write exec;
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if (cs >= JSON_float_first_final) {
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long len = p - json->memo;
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*result = rb_Float(rb_str_new(json->memo, len));
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return p + 1;
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} else {
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return NULL;
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}
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}
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%%{
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machine JSON_array;
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include JSON_common;
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write data;
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action parse_value {
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VALUE v = Qnil;
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char *np = JSON_parse_value(json, fpc, pe, &v);
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if (np == NULL) {
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fhold; fbreak;
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} else {
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rb_ary_push(*result, v);
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fexec np;
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}
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}
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action exit { fhold; fbreak; }
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next_element = value_separator ignore* begin_value >parse_value;
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main := begin_array ignore*
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((begin_value >parse_value ignore*)
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(ignore* next_element ignore*)*)?
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end_array @exit;
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}%%
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static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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VALUE array_class = json->array_class;
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if (json->max_nesting && json->current_nesting > json->max_nesting) {
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rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
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}
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*result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class);
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%% write init;
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%% write exec;
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if(cs >= JSON_array_first_final) {
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return p + 1;
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} else {
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rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p);
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return NULL;
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}
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}
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static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd)
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{
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char *p = string, *pe = string, *unescape;
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int unescape_len;
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while (pe < stringEnd) {
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if (*pe == '\\') {
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unescape = (char *) "?";
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unescape_len = 1;
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if (pe > p) rb_str_buf_cat(result, p, pe - p);
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switch (*++pe) {
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case 'n':
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unescape = (char *) "\n";
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break;
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case 'r':
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unescape = (char *) "\r";
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break;
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case 't':
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unescape = (char *) "\t";
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break;
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case '"':
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unescape = (char *) "\"";
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break;
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case '\\':
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unescape = (char *) "\\";
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break;
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case 'b':
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unescape = (char *) "\b";
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break;
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case 'f':
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unescape = (char *) "\f";
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break;
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case 'u':
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if (pe > stringEnd - 4) {
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return Qnil;
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} else {
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char buf[4];
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UTF32 ch = unescape_unicode((unsigned char *) ++pe);
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pe += 3;
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if (UNI_SUR_HIGH_START == (ch & 0xFC00)) {
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pe++;
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if (pe > stringEnd - 6) return Qnil;
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if (pe[0] == '\\' && pe[1] == 'u') {
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UTF32 sur = unescape_unicode((unsigned char *) pe + 2);
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ch = (((ch & 0x3F) << 10) | ((((ch >> 6) & 0xF) + 1) << 16)
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| (sur & 0x3FF));
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pe += 5;
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} else {
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unescape = (char *) "?";
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break;
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}
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}
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unescape_len = convert_UTF32_to_UTF8(buf, ch);
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unescape = buf;
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}
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break;
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default:
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p = pe;
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continue;
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}
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rb_str_buf_cat(result, unescape, unescape_len);
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p = ++pe;
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} else {
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pe++;
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}
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}
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rb_str_buf_cat(result, p, pe - p);
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return result;
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}
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%%{
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machine JSON_string;
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include JSON_common;
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write data;
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action parse_string {
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*result = json_string_unescape(*result, json->memo + 1, p);
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if (NIL_P(*result)) {
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fhold;
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fbreak;
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} else {
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FORCE_UTF8(*result);
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fexec p + 1;
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}
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}
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action exit { fhold; fbreak; }
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main := '"' ((^(["\\] | 0..0x1f) | '\\'["\\/bfnrt] | '\\u'[0-9a-fA-F]{4} | '\\'^(["\\/bfnrtu]|0..0x1f))* %parse_string) '"' @exit;
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}%%
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static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result)
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{
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int cs = EVIL;
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*result = rb_str_buf_new(0);
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%% write init;
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json->memo = p;
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%% write exec;
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if (json->symbolize_names && json->parsing_name) {
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*result = rb_str_intern(*result);
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}
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if (cs >= JSON_string_first_final) {
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return p + 1;
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} else {
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return NULL;
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}
|
|
}
|
|
|
|
|
|
%%{
|
|
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
|
|
}
|