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b14c060dda
[Bug #5173] [ruby-core:38866] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1457 lines
46 KiB
C
1457 lines
46 KiB
C
#include "generator.h"
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#ifdef HAVE_RUBY_ENCODING_H
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static VALUE CEncoding_UTF_8;
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static ID i_encoding, i_encode;
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#endif
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static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject,
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mHash, mArray, mFixnum, mBignum, mFloat, mString, mString_Extend,
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mTrueClass, mFalseClass, mNilClass, eGeneratorError,
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eNestingError, CRegexp_MULTILINE, CJSON_SAFE_STATE_PROTOTYPE,
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i_SAFE_STATE_PROTOTYPE;
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static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before,
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i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only,
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i_quirks_mode, i_pack, i_unpack, i_create_id, i_extend, i_key_p,
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i_aref, i_send, i_respond_to_p, i_match, i_keys, i_depth, i_dup;
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/*
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* Copyright 2001-2004 Unicode, Inc.
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*
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* Disclaimer
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*
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* This source code is provided as is by Unicode, Inc. No claims are
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* made as to fitness for any particular purpose. No warranties of any
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* kind are expressed or implied. The recipient agrees to determine
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* applicability of information provided. If this file has been
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* purchased on magnetic or optical media from Unicode, Inc., the
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* sole remedy for any claim will be exchange of defective media
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* within 90 days of receipt.
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*
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* Limitations on Rights to Redistribute This Code
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*
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* Unicode, Inc. hereby grants the right to freely use the information
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* supplied in this file in the creation of products supporting the
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* Unicode Standard, and to make copies of this file in any form
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* for internal or external distribution as long as this notice
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* remains attached.
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*/
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/*
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* Index into the table below with the first byte of a UTF-8 sequence to
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* get the number of trailing bytes that are supposed to follow it.
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* Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is
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* left as-is for anyone who may want to do such conversion, which was
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* allowed in earlier algorithms.
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*/
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static const char trailingBytesForUTF8[256] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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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,
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2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
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};
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/*
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* Magic values subtracted from a buffer value during UTF8 conversion.
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* This table contains as many values as there might be trailing bytes
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* in a UTF-8 sequence.
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*/
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static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
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0x03C82080UL, 0xFA082080UL, 0x82082080UL };
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/*
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* Utility routine to tell whether a sequence of bytes is legal UTF-8.
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* This must be called with the length pre-determined by the first byte.
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* If not calling this from ConvertUTF8to*, then the length can be set by:
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* length = trailingBytesForUTF8[*source]+1;
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* and the sequence is illegal right away if there aren't that many bytes
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* available.
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* If presented with a length > 4, this returns 0. The Unicode
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* definition of UTF-8 goes up to 4-byte sequences.
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*/
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static unsigned char isLegalUTF8(const UTF8 *source, unsigned long length)
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{
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UTF8 a;
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const UTF8 *srcptr = source+length;
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switch (length) {
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default: return 0;
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/* Everything else falls through when "1"... */
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case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
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case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
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case 2: if ((a = (*--srcptr)) > 0xBF) return 0;
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switch (*source) {
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/* no fall-through in this inner switch */
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case 0xE0: if (a < 0xA0) return 0; break;
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case 0xED: if (a > 0x9F) return 0; break;
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case 0xF0: if (a < 0x90) return 0; break;
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case 0xF4: if (a > 0x8F) return 0; break;
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default: if (a < 0x80) return 0;
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}
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case 1: if (*source >= 0x80 && *source < 0xC2) return 0;
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}
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if (*source > 0xF4) return 0;
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return 1;
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}
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/* Escapes the UTF16 character and stores the result in the buffer buf. */
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static void unicode_escape(char *buf, UTF16 character)
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{
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const char *digits = "0123456789abcdef";
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buf[2] = digits[character >> 12];
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buf[3] = digits[(character >> 8) & 0xf];
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buf[4] = digits[(character >> 4) & 0xf];
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buf[5] = digits[character & 0xf];
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}
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/* Escapes the UTF16 character and stores the result in the buffer buf, then
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* the buffer buf іs appended to the FBuffer buffer. */
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static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16
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character)
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{
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unicode_escape(buf, character);
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fbuffer_append(buffer, buf, 6);
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}
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/* Converts string to a JSON string in FBuffer buffer, where all but the ASCII
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* and control characters are JSON escaped. */
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static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string)
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{
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const UTF8 *source = (UTF8 *) RSTRING_PTR(string);
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const UTF8 *sourceEnd = source + RSTRING_LEN(string);
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char buf[6] = { '\\', 'u' };
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while (source < sourceEnd) {
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UTF32 ch = 0;
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unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
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if (source + extraBytesToRead >= sourceEnd) {
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rb_raise(rb_path2class("JSON::GeneratorError"),
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"partial character in source, but hit end");
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}
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if (!isLegalUTF8(source, extraBytesToRead+1)) {
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rb_raise(rb_path2class("JSON::GeneratorError"),
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"source sequence is illegal/malformed utf-8");
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}
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/*
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* The cases all fall through. See "Note A" below.
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*/
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switch (extraBytesToRead) {
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case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
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case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
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case 3: ch += *source++; ch <<= 6;
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case 2: ch += *source++; ch <<= 6;
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case 1: ch += *source++; ch <<= 6;
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case 0: ch += *source++;
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}
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ch -= offsetsFromUTF8[extraBytesToRead];
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if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
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/* UTF-16 surrogate values are illegal in UTF-32 */
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if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
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#if UNI_STRICT_CONVERSION
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source -= (extraBytesToRead+1); /* return to the illegal value itself */
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rb_raise(rb_path2class("JSON::GeneratorError"),
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"source sequence is illegal/malformed utf-8");
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#else
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unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
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#endif
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} else {
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/* normal case */
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if (ch >= 0x20 && ch <= 0x7f) {
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switch (ch) {
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case '\\':
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fbuffer_append(buffer, "\\\\", 2);
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break;
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case '"':
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fbuffer_append(buffer, "\\\"", 2);
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break;
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default:
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fbuffer_append_char(buffer, (char)ch);
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break;
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}
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} else {
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switch (ch) {
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case '\n':
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fbuffer_append(buffer, "\\n", 2);
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break;
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case '\r':
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fbuffer_append(buffer, "\\r", 2);
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break;
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case '\t':
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fbuffer_append(buffer, "\\t", 2);
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break;
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case '\f':
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fbuffer_append(buffer, "\\f", 2);
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break;
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case '\b':
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fbuffer_append(buffer, "\\b", 2);
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break;
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default:
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unicode_escape_to_buffer(buffer, buf, (UTF16) ch);
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break;
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}
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}
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}
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} else if (ch > UNI_MAX_UTF16) {
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#if UNI_STRICT_CONVERSION
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source -= (extraBytesToRead+1); /* return to the start */
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rb_raise(rb_path2class("JSON::GeneratorError"),
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"source sequence is illegal/malformed utf8");
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#else
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unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
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#endif
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} else {
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/* target is a character in range 0xFFFF - 0x10FFFF. */
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ch -= halfBase;
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unicode_escape_to_buffer(buffer, buf, (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START));
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unicode_escape_to_buffer(buffer, buf, (UTF16)((ch & halfMask) + UNI_SUR_LOW_START));
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}
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}
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}
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/* Converts string to a JSON string in FBuffer buffer, where only the
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* characters required by the JSON standard are JSON escaped. The remaining
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* characters (should be UTF8) are just passed through and appended to the
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* result. */
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static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string)
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{
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const char *ptr = RSTRING_PTR(string), *p;
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unsigned long len = RSTRING_LEN(string), start = 0, end = 0;
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const char *escape = NULL;
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int escape_len;
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unsigned char c;
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char buf[6] = { '\\', 'u' };
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for (start = 0, end = 0; end < len;) {
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p = ptr + end;
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c = (unsigned char) *p;
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if (c < 0x20) {
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switch (c) {
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case '\n':
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escape = "\\n";
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escape_len = 2;
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break;
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case '\r':
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escape = "\\r";
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escape_len = 2;
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break;
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case '\t':
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escape = "\\t";
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escape_len = 2;
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break;
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case '\f':
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escape = "\\f";
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escape_len = 2;
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break;
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case '\b':
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escape = "\\b";
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escape_len = 2;
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break;
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default:
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unicode_escape(buf, (UTF16) *p);
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escape = buf;
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escape_len = 6;
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break;
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}
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} else {
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switch (c) {
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case '\\':
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escape = "\\\\";
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escape_len = 2;
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break;
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case '"':
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escape = "\\\"";
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escape_len = 2;
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break;
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default:
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end++;
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continue;
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break;
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}
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}
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fbuffer_append(buffer, ptr + start, end - start);
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fbuffer_append(buffer, escape, escape_len);
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start = ++end;
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escape = NULL;
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}
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fbuffer_append(buffer, ptr + start, end - start);
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}
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static char *fstrndup(const char *ptr, unsigned long len) {
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char *result;
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if (len <= 0) return NULL;
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result = ALLOC_N(char, len);
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memccpy(result, ptr, 0, len);
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return result;
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}
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/* fbuffer implementation */
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static FBuffer *fbuffer_alloc()
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{
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FBuffer *fb = ALLOC(FBuffer);
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memset((void *) fb, 0, sizeof(FBuffer));
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fb->initial_length = FBUFFER_INITIAL_LENGTH;
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return fb;
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}
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static FBuffer *fbuffer_alloc_with_length(unsigned long initial_length)
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{
|
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FBuffer *fb;
|
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assert(initial_length > 0);
|
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fb = ALLOC(FBuffer);
|
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memset((void *) fb, 0, sizeof(FBuffer));
|
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fb->initial_length = initial_length;
|
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return fb;
|
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}
|
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|
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static void fbuffer_free(FBuffer *fb)
|
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{
|
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if (fb->ptr) ruby_xfree(fb->ptr);
|
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ruby_xfree(fb);
|
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}
|
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|
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static void fbuffer_clear(FBuffer *fb)
|
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{
|
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fb->len = 0;
|
||
}
|
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|
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static void fbuffer_inc_capa(FBuffer *fb, unsigned long requested)
|
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{
|
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unsigned long required;
|
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|
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if (!fb->ptr) {
|
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fb->ptr = ALLOC_N(char, fb->initial_length);
|
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fb->capa = fb->initial_length;
|
||
}
|
||
|
||
for (required = fb->capa; requested > required - fb->len; required <<= 1);
|
||
|
||
if (required > fb->capa) {
|
||
REALLOC_N(fb->ptr, char, required);
|
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fb->capa = required;
|
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}
|
||
}
|
||
|
||
static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned long len)
|
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{
|
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if (len > 0) {
|
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fbuffer_inc_capa(fb, len);
|
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MEMCPY(fb->ptr + fb->len, newstr, char, len);
|
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fb->len += len;
|
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}
|
||
}
|
||
|
||
static void fbuffer_append_str(FBuffer *fb, VALUE str)
|
||
{
|
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const char *newstr = StringValuePtr(str);
|
||
unsigned long len = RSTRING_LEN(str);
|
||
|
||
RB_GC_GUARD(str);
|
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|
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fbuffer_append(fb, newstr, len);
|
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}
|
||
|
||
static void fbuffer_append_char(FBuffer *fb, char newchr)
|
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{
|
||
fbuffer_inc_capa(fb, 1);
|
||
*(fb->ptr + fb->len) = newchr;
|
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fb->len++;
|
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}
|
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|
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static void freverse(char *start, char *end)
|
||
{
|
||
char c;
|
||
|
||
while (end > start) {
|
||
c = *end, *end-- = *start, *start++ = c;
|
||
}
|
||
}
|
||
|
||
static long fltoa(long number, char *buf)
|
||
{
|
||
static char digits[] = "0123456789";
|
||
long sign = number;
|
||
char* tmp = buf;
|
||
|
||
if (sign < 0) number = -number;
|
||
do *tmp++ = digits[number % 10]; while (number /= 10);
|
||
if (sign < 0) *tmp++ = '-';
|
||
freverse(buf, tmp - 1);
|
||
return tmp - buf;
|
||
}
|
||
|
||
static void fbuffer_append_long(FBuffer *fb, long number)
|
||
{
|
||
char buf[20];
|
||
unsigned long len = fltoa(number, buf);
|
||
fbuffer_append(fb, buf, len);
|
||
}
|
||
|
||
static FBuffer *fbuffer_dup(FBuffer *fb)
|
||
{
|
||
unsigned long len = fb->len;
|
||
FBuffer *result;
|
||
|
||
if (len > 0) {
|
||
result = fbuffer_alloc_with_length(len);
|
||
fbuffer_append(result, FBUFFER_PAIR(fb));
|
||
} else {
|
||
result = fbuffer_alloc();
|
||
}
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* Document-module: JSON::Ext::Generator
|
||
*
|
||
* This is the JSON generator implemented as a C extension. It can be
|
||
* configured to be used by setting
|
||
*
|
||
* JSON.generator = JSON::Ext::Generator
|
||
*
|
||
* with the method generator= in JSON.
|
||
*
|
||
*/
|
||
|
||
/*
|
||
* call-seq: to_json(state = nil)
|
||
*
|
||
* Returns a JSON string containing a JSON object, that is generated from
|
||
* this Hash instance.
|
||
* _state_ is a JSON::State object, that can also be used to configure the
|
||
* produced JSON string output further.
|
||
*/
|
||
static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(object);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(state = nil)
|
||
*
|
||
* Returns a JSON string containing a JSON array, that is generated from
|
||
* this Array instance.
|
||
* _state_ is a JSON::State object, that can also be used to configure the
|
||
* produced JSON string output further.
|
||
*/
|
||
static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self) {
|
||
GENERATE_JSON(array);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string representation for this Integer number.
|
||
*/
|
||
static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(fixnum);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string representation for this Integer number.
|
||
*/
|
||
static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(bignum);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string representation for this Float number.
|
||
*/
|
||
static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(float);
|
||
}
|
||
|
||
/*
|
||
* call-seq: String.included(modul)
|
||
*
|
||
* Extends _modul_ with the String::Extend module.
|
||
*/
|
||
static VALUE mString_included_s(VALUE self, VALUE modul) {
|
||
VALUE result = rb_funcall(modul, i_extend, 1, mString_Extend);
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* This string should be encoded with UTF-8 A call to this method
|
||
* returns a JSON string encoded with UTF16 big endian characters as
|
||
* \u????.
|
||
*/
|
||
static VALUE mString_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(string);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json_raw_object()
|
||
*
|
||
* This method creates a raw object hash, that can be nested into
|
||
* other data structures and will be generated as a raw string. This
|
||
* method should be used, if you want to convert raw strings to JSON
|
||
* instead of UTF-8 strings, e. g. binary data.
|
||
*/
|
||
static VALUE mString_to_json_raw_object(VALUE self)
|
||
{
|
||
VALUE ary;
|
||
VALUE result = rb_hash_new();
|
||
rb_hash_aset(result, rb_funcall(mJSON, i_create_id, 0), rb_class_name(rb_obj_class(self)));
|
||
ary = rb_funcall(self, i_unpack, 1, rb_str_new2("C*"));
|
||
rb_hash_aset(result, rb_str_new2("raw"), ary);
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json_raw(*args)
|
||
*
|
||
* This method creates a JSON text from the result of a call to
|
||
* to_json_raw_object of this String.
|
||
*/
|
||
static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
VALUE obj = mString_to_json_raw_object(self);
|
||
Check_Type(obj, T_HASH);
|
||
return mHash_to_json(argc, argv, obj);
|
||
}
|
||
|
||
/*
|
||
* call-seq: json_create(o)
|
||
*
|
||
* Raw Strings are JSON Objects (the raw bytes are stored in an array for the
|
||
* key "raw"). The Ruby String can be created by this module method.
|
||
*/
|
||
static VALUE mString_Extend_json_create(VALUE self, VALUE o)
|
||
{
|
||
VALUE ary;
|
||
Check_Type(o, T_HASH);
|
||
ary = rb_hash_aref(o, rb_str_new2("raw"));
|
||
return rb_funcall(ary, i_pack, 1, rb_str_new2("C*"));
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string for true: 'true'.
|
||
*/
|
||
static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(true);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string for false: 'false'.
|
||
*/
|
||
static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(false);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Returns a JSON string for nil: 'null'.
|
||
*/
|
||
static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
GENERATE_JSON(null);
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_json(*)
|
||
*
|
||
* Converts this object to a string (calling #to_s), converts
|
||
* it to a JSON string, and returns the result. This is a fallback, if no
|
||
* special method #to_json was defined for some object.
|
||
*/
|
||
static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
VALUE state;
|
||
VALUE string = rb_funcall(self, i_to_s, 0);
|
||
rb_scan_args(argc, argv, "01", &state);
|
||
Check_Type(string, T_STRING);
|
||
state = cState_from_state_s(cState, state);
|
||
return cState_partial_generate(state, string);
|
||
}
|
||
|
||
static void State_free(JSON_Generator_State *state)
|
||
{
|
||
if (state->indent) ruby_xfree(state->indent);
|
||
if (state->space) ruby_xfree(state->space);
|
||
if (state->space_before) ruby_xfree(state->space_before);
|
||
if (state->object_nl) ruby_xfree(state->object_nl);
|
||
if (state->array_nl) ruby_xfree(state->array_nl);
|
||
if (state->array_delim) fbuffer_free(state->array_delim);
|
||
if (state->object_delim) fbuffer_free(state->object_delim);
|
||
if (state->object_delim2) fbuffer_free(state->object_delim2);
|
||
ruby_xfree(state);
|
||
}
|
||
|
||
static JSON_Generator_State *State_allocate()
|
||
{
|
||
JSON_Generator_State *state = ALLOC(JSON_Generator_State);
|
||
MEMZERO(state, JSON_Generator_State, 1);
|
||
return state;
|
||
}
|
||
|
||
static VALUE cState_s_allocate(VALUE klass)
|
||
{
|
||
JSON_Generator_State *state = State_allocate();
|
||
return Data_Wrap_Struct(klass, NULL, State_free, state);
|
||
}
|
||
|
||
/*
|
||
* call-seq: configure(opts)
|
||
*
|
||
* Configure this State instance with the Hash _opts_, and return
|
||
* itself.
|
||
*/
|
||
static VALUE cState_configure(VALUE self, VALUE opts)
|
||
{
|
||
VALUE tmp;
|
||
GET_STATE(self);
|
||
tmp = rb_convert_type(opts, T_HASH, "Hash", "to_hash");
|
||
if (NIL_P(tmp)) tmp = rb_convert_type(opts, T_HASH, "Hash", "to_h");
|
||
if (NIL_P(tmp)) {
|
||
rb_raise(rb_eArgError, "opts has to be hash like or convertable into a hash");
|
||
}
|
||
opts = tmp;
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_indent));
|
||
if (RTEST(tmp)) {
|
||
unsigned long len;
|
||
Check_Type(tmp, T_STRING);
|
||
len = RSTRING_LEN(tmp);
|
||
state->indent = fstrndup(RSTRING_PTR(tmp), len);
|
||
state->indent_len = len;
|
||
}
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_space));
|
||
if (RTEST(tmp)) {
|
||
unsigned long len;
|
||
Check_Type(tmp, T_STRING);
|
||
len = RSTRING_LEN(tmp);
|
||
state->space = fstrndup(RSTRING_PTR(tmp), len);
|
||
state->space_len = len;
|
||
}
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_space_before));
|
||
if (RTEST(tmp)) {
|
||
unsigned long len;
|
||
Check_Type(tmp, T_STRING);
|
||
len = RSTRING_LEN(tmp);
|
||
state->space_before = fstrndup(RSTRING_PTR(tmp), len);
|
||
state->space_before_len = len;
|
||
}
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_array_nl));
|
||
if (RTEST(tmp)) {
|
||
unsigned long len;
|
||
Check_Type(tmp, T_STRING);
|
||
len = RSTRING_LEN(tmp);
|
||
state->array_nl = fstrndup(RSTRING_PTR(tmp), len);
|
||
state->array_nl_len = len;
|
||
}
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_object_nl));
|
||
if (RTEST(tmp)) {
|
||
unsigned long len;
|
||
Check_Type(tmp, T_STRING);
|
||
len = RSTRING_LEN(tmp);
|
||
state->object_nl = fstrndup(RSTRING_PTR(tmp), len);
|
||
state->object_nl_len = len;
|
||
}
|
||
tmp = ID2SYM(i_max_nesting);
|
||
state->max_nesting = 19;
|
||
if (option_given_p(opts, tmp)) {
|
||
VALUE max_nesting = rb_hash_aref(opts, tmp);
|
||
if (RTEST(max_nesting)) {
|
||
Check_Type(max_nesting, T_FIXNUM);
|
||
state->max_nesting = FIX2LONG(max_nesting);
|
||
} else {
|
||
state->max_nesting = 0;
|
||
}
|
||
}
|
||
tmp = ID2SYM(i_depth);
|
||
state->depth = 0;
|
||
if (option_given_p(opts, tmp)) {
|
||
VALUE depth = rb_hash_aref(opts, tmp);
|
||
if (RTEST(depth)) {
|
||
Check_Type(depth, T_FIXNUM);
|
||
state->depth = FIX2LONG(depth);
|
||
} else {
|
||
state->depth = 0;
|
||
}
|
||
}
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_allow_nan));
|
||
state->allow_nan = RTEST(tmp);
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_ascii_only));
|
||
state->ascii_only = RTEST(tmp);
|
||
tmp = rb_hash_aref(opts, ID2SYM(i_quirks_mode));
|
||
state->quirks_mode = RTEST(tmp);
|
||
return self;
|
||
}
|
||
|
||
/*
|
||
* call-seq: to_h
|
||
*
|
||
* Returns the configuration instance variables as a hash, that can be
|
||
* passed to the configure method.
|
||
*/
|
||
static VALUE cState_to_h(VALUE self)
|
||
{
|
||
VALUE result = rb_hash_new();
|
||
GET_STATE(self);
|
||
rb_hash_aset(result, ID2SYM(i_indent), rb_str_new(state->indent, state->indent_len));
|
||
rb_hash_aset(result, ID2SYM(i_space), rb_str_new(state->space, state->space_len));
|
||
rb_hash_aset(result, ID2SYM(i_space_before), rb_str_new(state->space_before, state->space_before_len));
|
||
rb_hash_aset(result, ID2SYM(i_object_nl), rb_str_new(state->object_nl, state->object_nl_len));
|
||
rb_hash_aset(result, ID2SYM(i_array_nl), rb_str_new(state->array_nl, state->array_nl_len));
|
||
rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse);
|
||
rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse);
|
||
rb_hash_aset(result, ID2SYM(i_quirks_mode), state->quirks_mode ? Qtrue : Qfalse);
|
||
rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting));
|
||
rb_hash_aset(result, ID2SYM(i_depth), LONG2FIX(state->depth));
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* call-seq: [](name)
|
||
*
|
||
* Return the value returned by method +name+.
|
||
*/
|
||
static VALUE cState_aref(VALUE self, VALUE name)
|
||
{
|
||
GET_STATE(self);
|
||
if (RTEST(rb_funcall(self, i_respond_to_p, 1, name))) {
|
||
return rb_funcall(self, i_send, 1, name);
|
||
} else {
|
||
return Qnil;
|
||
}
|
||
}
|
||
|
||
static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
char *object_nl = state->object_nl;
|
||
long object_nl_len = state->object_nl_len;
|
||
char *indent = state->indent;
|
||
long indent_len = state->indent_len;
|
||
long max_nesting = state->max_nesting;
|
||
char *delim = FBUFFER_PTR(state->object_delim);
|
||
long delim_len = FBUFFER_LEN(state->object_delim);
|
||
char *delim2 = FBUFFER_PTR(state->object_delim2);
|
||
long delim2_len = FBUFFER_LEN(state->object_delim2);
|
||
long depth = ++state->depth;
|
||
int i, j;
|
||
VALUE key, key_to_s, keys;
|
||
if (max_nesting != 0 && depth > max_nesting) {
|
||
fbuffer_free(buffer);
|
||
rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
|
||
}
|
||
fbuffer_append_char(buffer, '{');
|
||
keys = rb_funcall(obj, i_keys, 0);
|
||
for(i = 0; i < RARRAY_LEN(keys); i++) {
|
||
if (i > 0) fbuffer_append(buffer, delim, delim_len);
|
||
if (object_nl) {
|
||
fbuffer_append(buffer, object_nl, object_nl_len);
|
||
}
|
||
if (indent) {
|
||
for (j = 0; j < depth; j++) {
|
||
fbuffer_append(buffer, indent, indent_len);
|
||
}
|
||
}
|
||
key = rb_ary_entry(keys, i);
|
||
key_to_s = rb_funcall(key, i_to_s, 0);
|
||
Check_Type(key_to_s, T_STRING);
|
||
generate_json(buffer, Vstate, state, key_to_s);
|
||
fbuffer_append(buffer, delim2, delim2_len);
|
||
generate_json(buffer, Vstate, state, rb_hash_aref(obj, key));
|
||
}
|
||
depth = --state->depth;
|
||
if (object_nl) {
|
||
fbuffer_append(buffer, object_nl, object_nl_len);
|
||
if (indent) {
|
||
for (j = 0; j < depth; j++) {
|
||
fbuffer_append(buffer, indent, indent_len);
|
||
}
|
||
}
|
||
}
|
||
fbuffer_append_char(buffer, '}');
|
||
}
|
||
|
||
static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
char *array_nl = state->array_nl;
|
||
long array_nl_len = state->array_nl_len;
|
||
char *indent = state->indent;
|
||
long indent_len = state->indent_len;
|
||
long max_nesting = state->max_nesting;
|
||
char *delim = FBUFFER_PTR(state->array_delim);
|
||
long delim_len = FBUFFER_LEN(state->array_delim);
|
||
long depth = ++state->depth;
|
||
int i, j;
|
||
if (max_nesting != 0 && depth > max_nesting) {
|
||
fbuffer_free(buffer);
|
||
rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
|
||
}
|
||
fbuffer_append_char(buffer, '[');
|
||
if (array_nl) fbuffer_append(buffer, array_nl, array_nl_len);
|
||
for(i = 0; i < RARRAY_LEN(obj); i++) {
|
||
if (i > 0) fbuffer_append(buffer, delim, delim_len);
|
||
if (indent) {
|
||
for (j = 0; j < depth; j++) {
|
||
fbuffer_append(buffer, indent, indent_len);
|
||
}
|
||
}
|
||
generate_json(buffer, Vstate, state, rb_ary_entry(obj, i));
|
||
}
|
||
state->depth = --depth;
|
||
if (array_nl) {
|
||
fbuffer_append(buffer, array_nl, array_nl_len);
|
||
if (indent) {
|
||
for (j = 0; j < depth; j++) {
|
||
fbuffer_append(buffer, indent, indent_len);
|
||
}
|
||
}
|
||
}
|
||
fbuffer_append_char(buffer, ']');
|
||
}
|
||
|
||
static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
fbuffer_append_char(buffer, '"');
|
||
#ifdef HAVE_RUBY_ENCODING_H
|
||
obj = rb_funcall(obj, i_encode, 1, CEncoding_UTF_8);
|
||
#endif
|
||
if (state->ascii_only) {
|
||
convert_UTF8_to_JSON_ASCII(buffer, obj);
|
||
} else {
|
||
convert_UTF8_to_JSON(buffer, obj);
|
||
}
|
||
fbuffer_append_char(buffer, '"');
|
||
}
|
||
|
||
static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
fbuffer_append(buffer, "null", 4);
|
||
}
|
||
|
||
static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
fbuffer_append(buffer, "false", 5);
|
||
}
|
||
|
||
static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
fbuffer_append(buffer, "true", 4);
|
||
}
|
||
|
||
static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
fbuffer_append_long(buffer, FIX2LONG(obj));
|
||
}
|
||
|
||
static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
VALUE tmp = rb_funcall(obj, i_to_s, 0);
|
||
fbuffer_append_str(buffer, tmp);
|
||
}
|
||
|
||
static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
double value = RFLOAT_VALUE(obj);
|
||
char allow_nan = state->allow_nan;
|
||
VALUE tmp = rb_funcall(obj, i_to_s, 0);
|
||
if (!allow_nan) {
|
||
if (isinf(value)) {
|
||
fbuffer_free(buffer);
|
||
rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp));
|
||
} else if (isnan(value)) {
|
||
fbuffer_free(buffer);
|
||
rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp));
|
||
}
|
||
}
|
||
fbuffer_append_str(buffer, tmp);
|
||
}
|
||
|
||
static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj)
|
||
{
|
||
VALUE tmp;
|
||
VALUE klass = CLASS_OF(obj);
|
||
if (klass == rb_cHash) {
|
||
generate_json_object(buffer, Vstate, state, obj);
|
||
} else if (klass == rb_cArray) {
|
||
generate_json_array(buffer, Vstate, state, obj);
|
||
} else if (klass == rb_cString) {
|
||
generate_json_string(buffer, Vstate, state, obj);
|
||
} else if (obj == Qnil) {
|
||
generate_json_null(buffer, Vstate, state, obj);
|
||
} else if (obj == Qfalse) {
|
||
generate_json_false(buffer, Vstate, state, obj);
|
||
} else if (obj == Qtrue) {
|
||
generate_json_true(buffer, Vstate, state, obj);
|
||
} else if (klass == rb_cFixnum) {
|
||
generate_json_fixnum(buffer, Vstate, state, obj);
|
||
} else if (klass == rb_cBignum) {
|
||
generate_json_bignum(buffer, Vstate, state, obj);
|
||
} else if (klass == rb_cFloat) {
|
||
generate_json_float(buffer, Vstate, state, obj);
|
||
} else if (rb_respond_to(obj, i_to_json)) {
|
||
tmp = rb_funcall(obj, i_to_json, 1, Vstate);
|
||
Check_Type(tmp, T_STRING);
|
||
fbuffer_append_str(buffer, tmp);
|
||
} else {
|
||
tmp = rb_funcall(obj, i_to_s, 0);
|
||
Check_Type(tmp, T_STRING);
|
||
generate_json(buffer, Vstate, state, tmp);
|
||
}
|
||
}
|
||
|
||
static FBuffer *cState_prepare_buffer(VALUE self)
|
||
{
|
||
FBuffer *buffer = fbuffer_alloc();
|
||
GET_STATE(self);
|
||
|
||
if (state->object_delim) {
|
||
fbuffer_clear(state->object_delim);
|
||
} else {
|
||
state->object_delim = fbuffer_alloc_with_length(16);
|
||
}
|
||
fbuffer_append_char(state->object_delim, ',');
|
||
if (state->object_delim2) {
|
||
fbuffer_clear(state->object_delim2);
|
||
} else {
|
||
state->object_delim2 = fbuffer_alloc_with_length(16);
|
||
}
|
||
fbuffer_append_char(state->object_delim2, ':');
|
||
if (state->space) fbuffer_append(state->object_delim2, state->space, state->space_len);
|
||
|
||
if (state->array_delim) {
|
||
fbuffer_clear(state->array_delim);
|
||
} else {
|
||
state->array_delim = fbuffer_alloc_with_length(16);
|
||
}
|
||
fbuffer_append_char(state->array_delim, ',');
|
||
if (state->array_nl) fbuffer_append(state->array_delim, state->array_nl, state->array_nl_len);
|
||
return buffer;
|
||
}
|
||
|
||
static VALUE fbuffer_to_s(FBuffer *fb)
|
||
{
|
||
VALUE result = rb_str_new(FBUFFER_PAIR(fb));
|
||
fbuffer_free(fb);
|
||
FORCE_UTF8(result);
|
||
return result;
|
||
}
|
||
|
||
static VALUE cState_partial_generate(VALUE self, VALUE obj)
|
||
{
|
||
FBuffer *buffer = cState_prepare_buffer(self);
|
||
GET_STATE(self);
|
||
generate_json(buffer, self, state, obj);
|
||
return fbuffer_to_s(buffer);
|
||
}
|
||
|
||
/*
|
||
* call-seq: generate(obj)
|
||
*
|
||
* Generates a valid JSON document from object +obj+ and returns the
|
||
* result. If no valid JSON document can be created this method raises a
|
||
* GeneratorError exception.
|
||
*/
|
||
static VALUE cState_generate(VALUE self, VALUE obj)
|
||
{
|
||
VALUE result = cState_partial_generate(self, obj);
|
||
VALUE re, args[2];
|
||
GET_STATE(self);
|
||
if (!state->quirks_mode) {
|
||
args[0] = rb_str_new2("\\A\\s*(?:\\[.*\\]|\\{.*\\})\\s*\\Z");
|
||
args[1] = CRegexp_MULTILINE;
|
||
re = rb_class_new_instance(2, args, rb_cRegexp);
|
||
if (NIL_P(rb_funcall(re, i_match, 1, result))) {
|
||
rb_raise(eGeneratorError, "only generation of JSON objects or arrays allowed");
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* call-seq: new(opts = {})
|
||
*
|
||
* Instantiates a new State object, configured by _opts_.
|
||
*
|
||
* _opts_ can have the following keys:
|
||
*
|
||
* * *indent*: a string used to indent levels (default: ''),
|
||
* * *space*: a string that is put after, a : or , delimiter (default: ''),
|
||
* * *space_before*: a string that is put before a : pair delimiter (default: ''),
|
||
* * *object_nl*: a string that is put at the end of a JSON object (default: ''),
|
||
* * *array_nl*: a string that is put at the end of a JSON array (default: ''),
|
||
* * *allow_nan*: true if NaN, Infinity, and -Infinity should be
|
||
* generated, otherwise an exception is thrown, if these values are
|
||
* encountered. This options defaults to false.
|
||
*/
|
||
static VALUE cState_initialize(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
VALUE opts;
|
||
GET_STATE(self);
|
||
state->max_nesting = 19;
|
||
rb_scan_args(argc, argv, "01", &opts);
|
||
if (!NIL_P(opts)) cState_configure(self, opts);
|
||
return self;
|
||
}
|
||
|
||
/*
|
||
* call-seq: initialize_copy(orig)
|
||
*
|
||
* Initializes this object from orig if it to be duplicated/cloned and returns
|
||
* it.
|
||
*/
|
||
static VALUE cState_init_copy(VALUE obj, VALUE orig)
|
||
{
|
||
JSON_Generator_State *objState, *origState;
|
||
|
||
Data_Get_Struct(obj, JSON_Generator_State, objState);
|
||
Data_Get_Struct(orig, JSON_Generator_State, origState);
|
||
if (!objState) rb_raise(rb_eArgError, "unallocated JSON::State");
|
||
|
||
MEMCPY(objState, origState, JSON_Generator_State, 1);
|
||
objState->indent = fstrndup(origState->indent, origState->indent_len);
|
||
objState->space = fstrndup(origState->space, origState->space_len);
|
||
objState->space_before = fstrndup(origState->space_before, origState->space_before_len);
|
||
objState->object_nl = fstrndup(origState->object_nl, origState->object_nl_len);
|
||
objState->array_nl = fstrndup(origState->array_nl, origState->array_nl_len);
|
||
if (origState->array_delim) objState->array_delim = fbuffer_dup(origState->array_delim);
|
||
if (origState->object_delim) objState->object_delim = fbuffer_dup(origState->object_delim);
|
||
if (origState->object_delim2) objState->object_delim2 = fbuffer_dup(origState->object_delim2);
|
||
return obj;
|
||
}
|
||
|
||
/*
|
||
* call-seq: from_state(opts)
|
||
*
|
||
* Creates a State object from _opts_, which ought to be Hash to create a
|
||
* new State instance configured by _opts_, something else to create an
|
||
* unconfigured instance. If _opts_ is a State object, it is just returned.
|
||
*/
|
||
static VALUE cState_from_state_s(VALUE self, VALUE opts)
|
||
{
|
||
if (rb_obj_is_kind_of(opts, self)) {
|
||
return opts;
|
||
} else if (rb_obj_is_kind_of(opts, rb_cHash)) {
|
||
return rb_funcall(self, i_new, 1, opts);
|
||
} else {
|
||
if (NIL_P(CJSON_SAFE_STATE_PROTOTYPE)) {
|
||
CJSON_SAFE_STATE_PROTOTYPE = rb_const_get(mJSON, i_SAFE_STATE_PROTOTYPE);
|
||
}
|
||
return rb_funcall(CJSON_SAFE_STATE_PROTOTYPE, i_dup, 0);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* call-seq: indent()
|
||
*
|
||
* This string is used to indent levels in the JSON text.
|
||
*/
|
||
static VALUE cState_indent(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->indent ? rb_str_new2(state->indent) : rb_str_new2("");
|
||
}
|
||
|
||
/*
|
||
* call-seq: indent=(indent)
|
||
*
|
||
* This string is used to indent levels in the JSON text.
|
||
*/
|
||
static VALUE cState_indent_set(VALUE self, VALUE indent)
|
||
{
|
||
unsigned long len;
|
||
GET_STATE(self);
|
||
Check_Type(indent, T_STRING);
|
||
len = RSTRING_LEN(indent);
|
||
if (len == 0) {
|
||
if (state->indent) {
|
||
ruby_xfree(state->indent);
|
||
state->indent = NULL;
|
||
state->indent_len = 0;
|
||
}
|
||
} else {
|
||
if (state->indent) ruby_xfree(state->indent);
|
||
state->indent = strdup(RSTRING_PTR(indent));
|
||
state->indent_len = len;
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
/*
|
||
* call-seq: space()
|
||
*
|
||
* This string is used to insert a space between the tokens in a JSON
|
||
* string.
|
||
*/
|
||
static VALUE cState_space(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->space ? rb_str_new2(state->space) : rb_str_new2("");
|
||
}
|
||
|
||
/*
|
||
* call-seq: space=(space)
|
||
*
|
||
* This string is used to insert a space between the tokens in a JSON
|
||
* string.
|
||
*/
|
||
static VALUE cState_space_set(VALUE self, VALUE space)
|
||
{
|
||
unsigned long len;
|
||
GET_STATE(self);
|
||
Check_Type(space, T_STRING);
|
||
len = RSTRING_LEN(space);
|
||
if (len == 0) {
|
||
if (state->space) {
|
||
ruby_xfree(state->space);
|
||
state->space = NULL;
|
||
state->space_len = 0;
|
||
}
|
||
} else {
|
||
if (state->space) ruby_xfree(state->space);
|
||
state->space = strdup(RSTRING_PTR(space));
|
||
state->space_len = len;
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
/*
|
||
* call-seq: space_before()
|
||
*
|
||
* This string is used to insert a space before the ':' in JSON objects.
|
||
*/
|
||
static VALUE cState_space_before(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->space_before ? rb_str_new2(state->space_before) : rb_str_new2("");
|
||
}
|
||
|
||
/*
|
||
* call-seq: space_before=(space_before)
|
||
*
|
||
* This string is used to insert a space before the ':' in JSON objects.
|
||
*/
|
||
static VALUE cState_space_before_set(VALUE self, VALUE space_before)
|
||
{
|
||
unsigned long len;
|
||
GET_STATE(self);
|
||
Check_Type(space_before, T_STRING);
|
||
len = RSTRING_LEN(space_before);
|
||
if (len == 0) {
|
||
if (state->space_before) {
|
||
ruby_xfree(state->space_before);
|
||
state->space_before = NULL;
|
||
state->space_before_len = 0;
|
||
}
|
||
} else {
|
||
if (state->space_before) ruby_xfree(state->space_before);
|
||
state->space_before = strdup(RSTRING_PTR(space_before));
|
||
state->space_before_len = len;
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
/*
|
||
* call-seq: object_nl()
|
||
*
|
||
* This string is put at the end of a line that holds a JSON object (or
|
||
* Hash).
|
||
*/
|
||
static VALUE cState_object_nl(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->object_nl ? rb_str_new2(state->object_nl) : rb_str_new2("");
|
||
}
|
||
|
||
/*
|
||
* call-seq: object_nl=(object_nl)
|
||
*
|
||
* This string is put at the end of a line that holds a JSON object (or
|
||
* Hash).
|
||
*/
|
||
static VALUE cState_object_nl_set(VALUE self, VALUE object_nl)
|
||
{
|
||
unsigned long len;
|
||
GET_STATE(self);
|
||
Check_Type(object_nl, T_STRING);
|
||
len = RSTRING_LEN(object_nl);
|
||
if (len == 0) {
|
||
if (state->object_nl) {
|
||
ruby_xfree(state->object_nl);
|
||
state->object_nl = NULL;
|
||
}
|
||
} else {
|
||
if (state->object_nl) ruby_xfree(state->object_nl);
|
||
state->object_nl = strdup(RSTRING_PTR(object_nl));
|
||
state->object_nl_len = len;
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
/*
|
||
* call-seq: array_nl()
|
||
*
|
||
* This string is put at the end of a line that holds a JSON array.
|
||
*/
|
||
static VALUE cState_array_nl(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->array_nl ? rb_str_new2(state->array_nl) : rb_str_new2("");
|
||
}
|
||
|
||
/*
|
||
* call-seq: array_nl=(array_nl)
|
||
*
|
||
* This string is put at the end of a line that holds a JSON array.
|
||
*/
|
||
static VALUE cState_array_nl_set(VALUE self, VALUE array_nl)
|
||
{
|
||
unsigned long len;
|
||
GET_STATE(self);
|
||
Check_Type(array_nl, T_STRING);
|
||
len = RSTRING_LEN(array_nl);
|
||
if (len == 0) {
|
||
if (state->array_nl) {
|
||
ruby_xfree(state->array_nl);
|
||
state->array_nl = NULL;
|
||
}
|
||
} else {
|
||
if (state->array_nl) ruby_xfree(state->array_nl);
|
||
state->array_nl = strdup(RSTRING_PTR(array_nl));
|
||
state->array_nl_len = len;
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
|
||
/*
|
||
* call-seq: check_circular?
|
||
*
|
||
* Returns true, if circular data structures should be checked,
|
||
* otherwise returns false.
|
||
*/
|
||
static VALUE cState_check_circular_p(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->max_nesting ? Qtrue : Qfalse;
|
||
}
|
||
|
||
/*
|
||
* call-seq: max_nesting
|
||
*
|
||
* This integer returns the maximum level of data structure nesting in
|
||
* the generated JSON, max_nesting = 0 if no maximum is checked.
|
||
*/
|
||
static VALUE cState_max_nesting(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return LONG2FIX(state->max_nesting);
|
||
}
|
||
|
||
/*
|
||
* call-seq: max_nesting=(depth)
|
||
*
|
||
* This sets the maximum level of data structure nesting in the generated JSON
|
||
* to the integer depth, max_nesting = 0 if no maximum should be checked.
|
||
*/
|
||
static VALUE cState_max_nesting_set(VALUE self, VALUE depth)
|
||
{
|
||
GET_STATE(self);
|
||
Check_Type(depth, T_FIXNUM);
|
||
return state->max_nesting = FIX2LONG(depth);
|
||
}
|
||
|
||
/*
|
||
* call-seq: allow_nan?
|
||
*
|
||
* Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise
|
||
* returns false.
|
||
*/
|
||
static VALUE cState_allow_nan_p(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->allow_nan ? Qtrue : Qfalse;
|
||
}
|
||
|
||
/*
|
||
* call-seq: ascii_only?
|
||
*
|
||
* Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise
|
||
* returns false.
|
||
*/
|
||
static VALUE cState_ascii_only_p(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->ascii_only ? Qtrue : Qfalse;
|
||
}
|
||
|
||
/*
|
||
* call-seq: quirks_mode?
|
||
*
|
||
* Returns true, if quirks mode is enabled. Otherwise returns false.
|
||
*/
|
||
static VALUE cState_quirks_mode_p(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return state->quirks_mode ? Qtrue : Qfalse;
|
||
}
|
||
|
||
/*
|
||
* call-seq: quirks_mode=(enable)
|
||
*
|
||
* If set to true, enables the quirks_mode mode.
|
||
*/
|
||
static VALUE cState_quirks_mode_set(VALUE self, VALUE enable)
|
||
{
|
||
GET_STATE(self);
|
||
state->quirks_mode = RTEST(enable);
|
||
return Qnil;
|
||
}
|
||
|
||
/*
|
||
* call-seq: depth
|
||
*
|
||
* This integer returns the current depth of data structure nesting.
|
||
*/
|
||
static VALUE cState_depth(VALUE self)
|
||
{
|
||
GET_STATE(self);
|
||
return LONG2FIX(state->depth);
|
||
}
|
||
|
||
/*
|
||
* call-seq: depth=(depth)
|
||
*
|
||
* This sets the maximum level of data structure nesting in the generated JSON
|
||
* to the integer depth, max_nesting = 0 if no maximum should be checked.
|
||
*/
|
||
static VALUE cState_depth_set(VALUE self, VALUE depth)
|
||
{
|
||
GET_STATE(self);
|
||
Check_Type(depth, T_FIXNUM);
|
||
return state->depth = FIX2LONG(depth);
|
||
}
|
||
|
||
/*
|
||
*
|
||
*/
|
||
void Init_generator()
|
||
{
|
||
rb_require("json/common");
|
||
|
||
mJSON = rb_define_module("JSON");
|
||
mExt = rb_define_module_under(mJSON, "Ext");
|
||
mGenerator = rb_define_module_under(mExt, "Generator");
|
||
|
||
eGeneratorError = rb_path2class("JSON::GeneratorError");
|
||
eNestingError = rb_path2class("JSON::NestingError");
|
||
|
||
cState = rb_define_class_under(mGenerator, "State", rb_cObject);
|
||
rb_define_alloc_func(cState, cState_s_allocate);
|
||
rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
|
||
rb_define_method(cState, "initialize", cState_initialize, -1);
|
||
rb_define_method(cState, "initialize_copy", cState_init_copy, 1);
|
||
rb_define_method(cState, "indent", cState_indent, 0);
|
||
rb_define_method(cState, "indent=", cState_indent_set, 1);
|
||
rb_define_method(cState, "space", cState_space, 0);
|
||
rb_define_method(cState, "space=", cState_space_set, 1);
|
||
rb_define_method(cState, "space_before", cState_space_before, 0);
|
||
rb_define_method(cState, "space_before=", cState_space_before_set, 1);
|
||
rb_define_method(cState, "object_nl", cState_object_nl, 0);
|
||
rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
|
||
rb_define_method(cState, "array_nl", cState_array_nl, 0);
|
||
rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
|
||
rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
|
||
rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
|
||
rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
|
||
rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
|
||
rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
|
||
rb_define_method(cState, "quirks_mode?", cState_quirks_mode_p, 0);
|
||
rb_define_method(cState, "quirks_mode", cState_quirks_mode_p, 0);
|
||
rb_define_method(cState, "quirks_mode=", cState_quirks_mode_set, 1);
|
||
rb_define_method(cState, "depth", cState_depth, 0);
|
||
rb_define_method(cState, "depth=", cState_depth_set, 1);
|
||
rb_define_method(cState, "configure", cState_configure, 1);
|
||
rb_define_alias(cState, "merge", "configure");
|
||
rb_define_method(cState, "to_h", cState_to_h, 0);
|
||
rb_define_method(cState, "[]", cState_aref, 1);
|
||
rb_define_method(cState, "generate", cState_generate, 1);
|
||
|
||
mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
|
||
mObject = rb_define_module_under(mGeneratorMethods, "Object");
|
||
rb_define_method(mObject, "to_json", mObject_to_json, -1);
|
||
mHash = rb_define_module_under(mGeneratorMethods, "Hash");
|
||
rb_define_method(mHash, "to_json", mHash_to_json, -1);
|
||
mArray = rb_define_module_under(mGeneratorMethods, "Array");
|
||
rb_define_method(mArray, "to_json", mArray_to_json, -1);
|
||
mFixnum = rb_define_module_under(mGeneratorMethods, "Fixnum");
|
||
rb_define_method(mFixnum, "to_json", mFixnum_to_json, -1);
|
||
mBignum = rb_define_module_under(mGeneratorMethods, "Bignum");
|
||
rb_define_method(mBignum, "to_json", mBignum_to_json, -1);
|
||
mFloat = rb_define_module_under(mGeneratorMethods, "Float");
|
||
rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
|
||
mString = rb_define_module_under(mGeneratorMethods, "String");
|
||
rb_define_singleton_method(mString, "included", mString_included_s, 1);
|
||
rb_define_method(mString, "to_json", mString_to_json, -1);
|
||
rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
|
||
rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
|
||
mString_Extend = rb_define_module_under(mString, "Extend");
|
||
rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
|
||
mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
|
||
rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
|
||
mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
|
||
rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
|
||
mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
|
||
rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);
|
||
|
||
CRegexp_MULTILINE = rb_const_get(rb_cRegexp, rb_intern("MULTILINE"));
|
||
i_to_s = rb_intern("to_s");
|
||
i_to_json = rb_intern("to_json");
|
||
i_new = rb_intern("new");
|
||
i_indent = rb_intern("indent");
|
||
i_space = rb_intern("space");
|
||
i_space_before = rb_intern("space_before");
|
||
i_object_nl = rb_intern("object_nl");
|
||
i_array_nl = rb_intern("array_nl");
|
||
i_max_nesting = rb_intern("max_nesting");
|
||
i_allow_nan = rb_intern("allow_nan");
|
||
i_ascii_only = rb_intern("ascii_only");
|
||
i_quirks_mode = rb_intern("quirks_mode");
|
||
i_depth = rb_intern("depth");
|
||
i_pack = rb_intern("pack");
|
||
i_unpack = rb_intern("unpack");
|
||
i_create_id = rb_intern("create_id");
|
||
i_extend = rb_intern("extend");
|
||
i_key_p = rb_intern("key?");
|
||
i_aref = rb_intern("[]");
|
||
i_send = rb_intern("__send__");
|
||
i_respond_to_p = rb_intern("respond_to?");
|
||
i_match = rb_intern("match");
|
||
i_keys = rb_intern("keys");
|
||
i_dup = rb_intern("dup");
|
||
#ifdef HAVE_RUBY_ENCODING_H
|
||
CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
|
||
i_encoding = rb_intern("encoding");
|
||
i_encode = rb_intern("encode");
|
||
#endif
|
||
i_SAFE_STATE_PROTOTYPE = rb_intern("SAFE_STATE_PROTOTYPE");
|
||
CJSON_SAFE_STATE_PROTOTYPE = Qnil;
|
||
}
|