diff options
Diffstat (limited to 'ext/json/generator/generator.h')
| -rw-r--r-- | ext/json/generator/generator.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/ext/json/generator/generator.h b/ext/json/generator/generator.h new file mode 100644 index 0000000000..37240a9c6b --- /dev/null +++ b/ext/json/generator/generator.h @@ -0,0 +1,170 @@ +#ifndef _GENERATOR_H_ +#define _GENERATOR_H_ + +#include <string.h> +#include <assert.h> +#include <math.h> + +#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); + +/* 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; +} JSON_Generator_State; + +#define GET_STATE(self) \ + JSON_Generator_State *state; \ + Data_Get_Struct(self, JSON_Generator_State, state) + +static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self); +static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self); +static VALUE mInteger_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, long depth); +static VALUE cState_partial_generate(VALUE self, VALUE obj, VALUE depth); +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); + +#endif |