added utf8 conversion functions
This commit is contained in:
hyunghwan.chung
100
stix/lib/stix.h
100
stix/lib/stix.h
@ -31,27 +31,9 @@
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/* TODO: move this macro out to the build files.... */
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#define STIX_INCLUDE_COMPILER
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#if defined(__MSDOS__)
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# define STIX_INCPTR(type,base,inc) (((type __huge*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type __huge*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) > ((type __huge*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) >= ((type __huge*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) < ((type __huge*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) <= ((type __huge*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type __huge*)ptr1) == ((type __huge*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type __huge*)ptr1) - ((type __huge*)ptr2))
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#else
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# define STIX_INCPTR(type,base,inc) (((type*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type*)ptr1) > ((type*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type*)ptr1) >= ((type*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type*)ptr1) < ((type*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type*)ptr1) <= ((type*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type*)ptr1) == ((type*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type*)ptr1) - ((type*)ptr2))
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#endif
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/* ========================================================================== */
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/* =========================================================================
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* PRIMITIVE TYPE DEFINTIONS
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* ========================================================================= */
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/* TODO: define these types and macros using autoconf */
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typedef unsigned char stix_uint8_t;
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typedef unsigned short int stix_uint16_t;
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@ -64,8 +46,11 @@ typedef unsigned long int stix_uintptr_t;
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typedef unsigned long int stix_size_t;
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typedef unsigned short int stix_char_t; /* TODO ... wchar_t??? */
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typedef char stix_iochar_t;
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typedef char stix_bchar_t;
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/* =========================================================================
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* PRIMITIVE MACROS
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* ========================================================================= */
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#define STIX_SIZEOF(x) (sizeof(x))
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#define STIX_COUNTOF(x) (sizeof(x) / sizeof(x[0]))
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@ -92,7 +77,6 @@ typedef char stix_iochar_t;
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# define STIX_NULL ((void*)0)
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#endif
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/* make a low bit mask that can mask off low n bits*/
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#define STIX_LBMASK(type,n) (~(~((type)0) << (n)))
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@ -114,16 +98,43 @@ typedef char stix_iochar_t;
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/*#define STIX_BITS_MAX(type,nbits) ((((type)1) << (nbits)) - 1)*/
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#define STIX_BITS_MAX(type,nbits) ((~(type)0) >> (STIX_SIZEOF(type) * 8 - (nbits)))
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/* =========================================================================
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* POINTER MANIPULATION MACROS
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* ========================================================================= */
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#if defined(__MSDOS__)
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# define STIX_INCPTR(type,base,inc) (((type __huge*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type __huge*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) > ((type __huge*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) >= ((type __huge*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) < ((type __huge*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) <= ((type __huge*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type __huge*)ptr1) == ((type __huge*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type __huge*)ptr1) - ((type __huge*)ptr2))
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#else
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# define STIX_INCPTR(type,base,inc) (((type*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type*)ptr1) > ((type*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type*)ptr1) >= ((type*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type*)ptr1) < ((type*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type*)ptr1) <= ((type*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type*)ptr1) == ((type*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type*)ptr1) - ((type*)ptr2))
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#endif
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/* =========================================================================
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* MMGR
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* ========================================================================= */
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typedef struct stix_mmgr_t stix_mmgr_t;
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/**
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* allocate a memory chunk of the size \a n.
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* @return pointer to a memory chunk on success, #STIX_NULL on failure.
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* \return pointer to a memory chunk on success, #STIX_NULL on failure.
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*/
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typedef void* (*stix_mmgr_alloc_t) (stix_mmgr_t* mmgr, stix_size_t n);
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/**
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* resize a memory chunk pointed to by \a ptr to the size \a n.
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* @return pointer to a memory chunk on success, #STIX_NULL on failure.
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* \return pointer to a memory chunk on success, #STIX_NULL on failure.
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*/
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typedef void* (*stix_mmgr_realloc_t) (stix_mmgr_t* mmgr, void* ptr, stix_size_t n);
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/**
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@ -168,6 +179,41 @@ struct stix_mmgr_t
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#define STIX_MMGR_FREE(mmgr,ptr) ((mmgr)->free(mmgr,ptr))
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/* =========================================================================
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* CMGR
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* =========================================================================*/
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typedef struct stix_cmgr_t stix_cmgr_t;
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typedef stix_size_t (*stix_cmgr_bctoc_t) (
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const stix_bchar_t* mb,
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stix_size_t size,
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stix_char_t* wc
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);
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typedef stix_size_t (*stix_cmgr_ctobc_t) (
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stix_char_t wc,
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stix_bchar_t* mb,
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stix_size_t size
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);
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/**
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* The stix_cmgr_t type defines the character-level interface to
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* multibyte/wide-character conversion. This interface doesn't
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* provide any facility to store conversion state in a context
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* independent manner. This leads to the limitation that it can
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* handle a stateless multibyte encoding only.
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*/
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struct stix_cmgr_t
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{
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stix_cmgr_bctoc_t bctoc;
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stix_cmgr_ctobc_t ctobc;
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};
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/* =========================================================================
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* MACROS THAT CHANGES THE BEHAVIORS OF THE C COMPILER/LINKER
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* =========================================================================*/
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#if defined(_WIN32) || defined(__WATCOMC__)
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# define STIX_IMPORT __declspec(dllimport)
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# define STIX_EXPORT __declspec(dllexport)
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@ -467,7 +513,7 @@ enum stix_obj_type_t
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};
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typedef enum stix_obj_type_t stix_obj_type_t;
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/* -------------------------------------------------------------------------
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/* =========================================================================
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* Object header structure
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*
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* _flags:
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@ -502,7 +548,7 @@ typedef enum stix_obj_type_t stix_obj_type_t;
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* class can have normal instance variables. On the contrary, the actual byte
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* size calculation and the access to the payload fields become more complex.
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* Therefore, i've dropped the idea.
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* ------------------------------------------------------------------------- */
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* ========================================================================= */
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#define STIX_OBJ_FLAGS_TYPE_BITS 6
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#define STIX_OBJ_FLAGS_UNIT_BITS 5
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#define STIX_OBJ_FLAGS_EXTRA_BITS 1
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