#ifndef _GENERATOR_H_ #define _GENERATOR_H_ #include #include #include #include "ruby.h" #if HAVE_RUBY_RE_H #include "ruby/re.h" #endif #if HAVE_RE_H #include "re.h" #endif #ifdef HAVE_RUBY_ENCODING_H #include "ruby/encoding.h" #define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) #else #define FORCE_UTF8(obj) #endif #define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key)) #ifndef RHASH_SIZE #define RHASH_SIZE(hsh) (RHASH(hsh)->tbl->num_entries) #endif #ifndef RFLOAT_VALUE #define RFLOAT_VALUE(val) (RFLOAT(val)->value) #endif #ifndef RARRAY_PTR #define RARRAY_PTR(ARRAY) RARRAY(ARRAY)->ptr #endif #ifndef RARRAY_LEN #define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len #endif #ifndef RSTRING_PTR #define RSTRING_PTR(string) RSTRING(string)->ptr #endif #ifndef RSTRING_LEN #define RSTRING_LEN(string) RSTRING(string)->len #endif #define RSTRING_PAIR(string) RSTRING_PTR(string), RSTRING_LEN(string) /* fbuffer implementation */ typedef struct FBufferStruct { unsigned int initial_length; char *ptr; unsigned int len; unsigned int capa; } FBuffer; #define FBUFFER_INITIAL_LENGTH 4096 #define FBUFFER_PTR(fb) (fb->ptr) #define FBUFFER_LEN(fb) (fb->len) #define FBUFFER_CAPA(fb) (fb->capa) #define FBUFFER_PAIR(fb) FBUFFER_PTR(fb), FBUFFER_LEN(fb) static char *fstrndup(const char *ptr, int len); static FBuffer *fbuffer_alloc(); static FBuffer *fbuffer_alloc_with_length(unsigned initial_length); static void fbuffer_free(FBuffer *fb); static void fbuffer_free_only_buffer(FBuffer *fb); static void fbuffer_clear(FBuffer *fb); static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len); static void fbuffer_append_long(FBuffer *fb, long number); static void fbuffer_append_char(FBuffer *fb, char newchr); static FBuffer *fbuffer_dup(FBuffer *fb); static VALUE fbuffer_to_s(FBuffer *fb); /* unicode defintions */ #define UNI_STRICT_CONVERSION 1 typedef unsigned long UTF32; /* at least 32 bits */ typedef unsigned short UTF16; /* at least 16 bits */ typedef unsigned char UTF8; /* typically 8 bits */ #define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD #define UNI_MAX_BMP (UTF32)0x0000FFFF #define UNI_MAX_UTF16 (UTF32)0x0010FFFF #define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF #define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF #define UNI_SUR_HIGH_START (UTF32)0xD800 #define UNI_SUR_HIGH_END (UTF32)0xDBFF #define UNI_SUR_LOW_START (UTF32)0xDC00 #define UNI_SUR_LOW_END (UTF32)0xDFFF static const int halfShift = 10; /* used for shifting by 10 bits */ static const UTF32 halfBase = 0x0010000UL; static const UTF32 halfMask = 0x3FFUL; static unsigned char isLegalUTF8(const UTF8 *source, int length); static void unicode_escape(char *buf, UTF16 character); static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character); static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string); static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string); /* ruby api and some helpers */ typedef struct JSON_Generator_StateStruct { char *indent; long indent_len; char *space; long space_len; char *space_before; long space_before_len; char *object_nl; long object_nl_len; char *array_nl; long array_nl_len; FBuffer *array_delim; FBuffer *object_delim; FBuffer *object_delim2; long max_nesting; char allow_nan; char ascii_only; long depth; } JSON_Generator_State; #define GET_STATE(self) \ JSON_Generator_State *state; \ Data_Get_Struct(self, JSON_Generator_State, state) #define GENERATE_JSON(type) \ FBuffer *buffer; \ VALUE Vstate; \ JSON_Generator_State *state; \ \ rb_scan_args(argc, argv, "01", &Vstate); \ Vstate = cState_from_state_s(cState, Vstate); \ Data_Get_Struct(Vstate, JSON_Generator_State, state); \ buffer = cState_prepare_buffer(Vstate); \ generate_json_##type(buffer, Vstate, state, self); \ return fbuffer_to_s(buffer) static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self); static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self); static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self); static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self); static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self); static VALUE mString_included_s(VALUE self, VALUE modul); static VALUE mString_to_json(int argc, VALUE *argv, VALUE self); static VALUE mString_to_json_raw_object(VALUE self); static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self); static VALUE mString_Extend_json_create(VALUE self, VALUE o); static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self); static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self); static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self); static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self); static void State_free(JSON_Generator_State *state); static JSON_Generator_State *State_allocate(); static VALUE cState_s_allocate(VALUE klass); static VALUE cState_configure(VALUE self, VALUE opts); static VALUE cState_to_h(VALUE self); static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); static VALUE cState_partial_generate(VALUE self, VALUE obj); static VALUE cState_generate(VALUE self, VALUE obj); static VALUE cState_initialize(int argc, VALUE *argv, VALUE self); static VALUE cState_from_state_s(VALUE self, VALUE opts); static VALUE cState_indent(VALUE self); static VALUE cState_indent_set(VALUE self, VALUE indent); static VALUE cState_space(VALUE self); static VALUE cState_space_set(VALUE self, VALUE space); static VALUE cState_space_before(VALUE self); static VALUE cState_space_before_set(VALUE self, VALUE space_before); static VALUE cState_object_nl(VALUE self); static VALUE cState_object_nl_set(VALUE self, VALUE object_nl); static VALUE cState_array_nl(VALUE self); static VALUE cState_array_nl_set(VALUE self, VALUE array_nl); static VALUE cState_max_nesting(VALUE self); static VALUE cState_max_nesting_set(VALUE self, VALUE depth); static VALUE cState_allow_nan_p(VALUE self); static VALUE cState_ascii_only_p(VALUE self); static VALUE cState_depth(VALUE self); static VALUE cState_depth_set(VALUE self, VALUE depth); static FBuffer *cState_prepare_buffer(VALUE self); #endif