%% options copyright owner = Dirk Krause copyright year = 2016-xxxx license = bsd %% header /** @file dk4rec25.h Conversion from dkChar to other character widths. */ #ifdef __cplusplus extern "C" { #endif /** Recode a dkChar string to any encoding. @param dstb Destination buffer. @param szdstb Size of dstb (number of elements). The element size depends on the destination encoding. @param de Destination encoding. @param src Source string. @param se Source encoding, only used if dkChar is 8 bits wide. @param erp Error report, may be NULL. Error codes: - DK4_E_INVALID_ARGUMENTS
if src or dstb is NULL or szdstb is 0, - DK4_E_BUFFER_TOO_SMALL
if dstb is too small, - DK4_E_SYNTAX
with the number of successfully recoded characters in nelem if a non-recodable character was found. */ int dk4recode_dk_to_any( void *dstb, size_t szdstb, int de, const dkChar *src, int se, dk4_er_t *erp ); #ifdef __cplusplus } #endif %% module #include "dk4conf.h" #include "dk4types.h" #include "dk4enc.h" #include "dk4rec.h" #include "dk4str8.h" #include "dk4strw.h" int dk4recode_dk_to_any( void *dstb, size_t szdstb, int de, const dkChar *src, int se, dk4_er_t *erp ) { int back = 0; if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) { switch (de) { case DK4_ENCODING_ASCII : { #if DK4_CHAR_SIZE > 1 #if DK4_CHAR_SIZE > 2 back = dk4recode_c32_to_ascii(dstb, szdstb, src, erp); #else back = dk4recode_utf16_to_ascii(dstb, szdstb, src, erp); #endif #else switch (se) { case DK4_ENCODING_UTF8 : { back = dk4recode_utf8_to_ascii(dstb, szdstb, src, erp); } break; case DK4_ENCODING_ANSI : { back = dk4recode_ansi_to_ascii(dstb, szdstb, src, erp); } break; default : { back = dk4str8_cpy_s(dstb, szdstb, src, erp); } break; } #endif } break; case DK4_ENCODING_ANSI : { #if DK4_CHAR_SIZE > 1 #if DK4_CHAR_SIZE > 2 back = dk4recode_c32_to_ansi(dstb, szdstb, src, erp); #else back = dk4recode_utf16_to_ansi(dstb, szdstb, src, erp); #endif #else switch (se) { case DK4_ENCODING_UTF8 : { back = dk4recode_utf8_to_ansi(dstb, szdstb, src, erp); } break; case DK4_ENCODING_ANSI : { back = dk4str8_cpy_s(dstb, szdstb, src, erp); } break; default : { back = dk4recode_ascii_to_ansi(dstb, szdstb, src, erp); } break; } #endif } break; case DK4_ENCODING_UTF8 : { #if DK4_CHAR_SIZE > 1 #if DK4_CHAR_SIZE > 2 back = dk4recode_c32_to_utf8(dstb, szdstb, src, erp); #else back = dk4recode_utf16_to_utf8(dstb, szdstb, src, erp); #endif #else switch (se) { case DK4_ENCODING_UTF8 : { back = dk4str8_cpy_s(dstb, szdstb, src, erp); } break; case DK4_ENCODING_ANSI : { back= dk4recode_ansi_to_utf8(dstb, szdstb, src, erp); } break; default : { back = dk4recode_ascii_to_utf8(dstb, szdstb, src, erp); } break; } #endif } break; case DK4_ENCODING_UTF16 : { #if DK4_CHAR_SIZE > 1 #if DK4_CHAR_SIZE > 2 back = dk4recode_c32_to_utf16(dstb, szdstb, src, erp); #else back = dk4strw_cpy_s(dstb, szdstb, src, erp); #endif #else switch (se) { case DK4_ENCODING_UTF8 : { back = dk4recode_utf8_to_utf16(dstb, szdstb, src, erp); } break; case DK4_ENCODING_ANSI : { back = dk4recode_ansi_to_utf16(dstb, szdstb, src, erp); } break; default : { back = dk4recode_ascii_to_utf16(dstb, szdstb, src, erp); } break; } #endif } break; case DK4_ENCODING_32 : { #if DK4_CHAR_SIZE > 1 #if DK4_CHAR_SIZE > 2 back = dk4strw_cpy_s(dstb, szdstb, src, erp); #else back = dk4recode_utf16_to_c32(dstb, szdstb, src, erp); #endif #else switch (se) { case DK4_ENCODING_UTF8 : { back = dk4recode_utf8_to_c32(dstb, szdstb, src, erp); } break; case DK4_ENCODING_ANSI : { back = dk4recode_ansi_to_c32(dstb, szdstb, src, erp); } break; default : { back = dk4recode_ascii_to_c32(dstb, szdstb, src, erp); } break; } #endif } break; } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; }