Ruby
2.0.0p247(2013-06-27revision41674)
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00001 #ifndef _GENERATOR_H_ 00002 #define _GENERATOR_H_ 00003 00004 #include <string.h> 00005 #include <math.h> 00006 #include <ctype.h> 00007 00008 #include "ruby.h" 00009 00010 #ifdef HAVE_RUBY_RE_H 00011 #include "ruby/re.h" 00012 #else 00013 #include "re.h" 00014 #endif 00015 00016 #ifndef rb_intern_str 00017 #define rb_intern_str(string) SYM2ID(rb_str_intern(string)) 00018 #endif 00019 00020 #ifndef rb_obj_instance_variables 00021 #define rb_obj_instance_variables(object) rb_funcall(object, rb_intern("instance_variables"), 0) 00022 #endif 00023 00024 #define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key)) 00025 00026 /* unicode defintions */ 00027 00028 #define UNI_STRICT_CONVERSION 1 00029 00030 typedef unsigned long UTF32; /* at least 32 bits */ 00031 typedef unsigned short UTF16; /* at least 16 bits */ 00032 typedef unsigned char UTF8; /* typically 8 bits */ 00033 00034 #define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD 00035 #define UNI_MAX_BMP (UTF32)0x0000FFFF 00036 #define UNI_MAX_UTF16 (UTF32)0x0010FFFF 00037 #define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF 00038 #define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF 00039 00040 #define UNI_SUR_HIGH_START (UTF32)0xD800 00041 #define UNI_SUR_HIGH_END (UTF32)0xDBFF 00042 #define UNI_SUR_LOW_START (UTF32)0xDC00 00043 #define UNI_SUR_LOW_END (UTF32)0xDFFF 00044 00045 static const int halfShift = 10; /* used for shifting by 10 bits */ 00046 00047 static const UTF32 halfBase = 0x0010000UL; 00048 static const UTF32 halfMask = 0x3FFUL; 00049 00050 static unsigned char isLegalUTF8(const UTF8 *source, unsigned long length); 00051 static void unicode_escape(char *buf, UTF16 character); 00052 static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character); 00053 static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string); 00054 static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string); 00055 static char *fstrndup(const char *ptr, unsigned long len); 00056 00057 /* ruby api and some helpers */ 00058 00059 typedef struct JSON_Generator_StateStruct { 00060 char *indent; 00061 long indent_len; 00062 char *space; 00063 long space_len; 00064 char *space_before; 00065 long space_before_len; 00066 char *object_nl; 00067 long object_nl_len; 00068 char *array_nl; 00069 long array_nl_len; 00070 FBuffer *array_delim; 00071 FBuffer *object_delim; 00072 FBuffer *object_delim2; 00073 long max_nesting; 00074 char allow_nan; 00075 char ascii_only; 00076 char quirks_mode; 00077 long depth; 00078 long buffer_initial_length; 00079 } JSON_Generator_State; 00080 00081 #define GET_STATE(self) \ 00082 JSON_Generator_State *state; \ 00083 Data_Get_Struct(self, JSON_Generator_State, state) 00084 00085 #define GENERATE_JSON(type) \ 00086 FBuffer *buffer; \ 00087 VALUE Vstate; \ 00088 JSON_Generator_State *state; \ 00089 \ 00090 rb_scan_args(argc, argv, "01", &Vstate); \ 00091 Vstate = cState_from_state_s(cState, Vstate); \ 00092 Data_Get_Struct(Vstate, JSON_Generator_State, state); \ 00093 buffer = cState_prepare_buffer(Vstate); \ 00094 generate_json_##type(buffer, Vstate, state, self); \ 00095 return fbuffer_to_s(buffer) 00096 00097 static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self); 00098 static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self); 00099 static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self); 00100 static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self); 00101 static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self); 00102 static VALUE mString_included_s(VALUE self, VALUE modul); 00103 static VALUE mString_to_json(int argc, VALUE *argv, VALUE self); 00104 static VALUE mString_to_json_raw_object(VALUE self); 00105 static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self); 00106 static VALUE mString_Extend_json_create(VALUE self, VALUE o); 00107 static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self); 00108 static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self); 00109 static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self); 00110 static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self); 00111 static void State_free(JSON_Generator_State *state); 00112 static JSON_Generator_State *State_allocate(); 00113 static VALUE cState_s_allocate(VALUE klass); 00114 static VALUE cState_configure(VALUE self, VALUE opts); 00115 static VALUE cState_to_h(VALUE self); 00116 static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00117 static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00118 static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00119 static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00120 static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00121 static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00122 static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00123 static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00124 static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00125 static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); 00126 static VALUE cState_partial_generate(VALUE self, VALUE obj); 00127 static VALUE cState_generate(VALUE self, VALUE obj); 00128 static VALUE cState_initialize(int argc, VALUE *argv, VALUE self); 00129 static VALUE cState_from_state_s(VALUE self, VALUE opts); 00130 static VALUE cState_indent(VALUE self); 00131 static VALUE cState_indent_set(VALUE self, VALUE indent); 00132 static VALUE cState_space(VALUE self); 00133 static VALUE cState_space_set(VALUE self, VALUE space); 00134 static VALUE cState_space_before(VALUE self); 00135 static VALUE cState_space_before_set(VALUE self, VALUE space_before); 00136 static VALUE cState_object_nl(VALUE self); 00137 static VALUE cState_object_nl_set(VALUE self, VALUE object_nl); 00138 static VALUE cState_array_nl(VALUE self); 00139 static VALUE cState_array_nl_set(VALUE self, VALUE array_nl); 00140 static VALUE cState_max_nesting(VALUE self); 00141 static VALUE cState_max_nesting_set(VALUE self, VALUE depth); 00142 static VALUE cState_allow_nan_p(VALUE self); 00143 static VALUE cState_ascii_only_p(VALUE self); 00144 static VALUE cState_depth(VALUE self); 00145 static VALUE cState_depth_set(VALUE self, VALUE depth); 00146 static FBuffer *cState_prepare_buffer(VALUE self); 00147 00148 #endif 00149