diff options
Diffstat (limited to 'ACEXML/common/Transcode.i')
| -rw-r--r-- | ACEXML/common/Transcode.i | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/ACEXML/common/Transcode.i b/ACEXML/common/Transcode.i deleted file mode 100644 index e9ec3936e80..00000000000 --- a/ACEXML/common/Transcode.i +++ /dev/null @@ -1,234 +0,0 @@ -// -*- C++ -*- $Id$ - -ACEXML_INLINE int -ACEXML_Transcoder::utf162utf8 (ACEXML_UTF16 src, - ACEXML_UTF8 *dst, - size_t len) -{ - // Check for valid argument first... - - if (dst == 0) - return INVALID_ARGS; - - if (src < 0x80) - { - if (len < 1) - return DESTINATION_TOO_SHORT; - - *dst = ACE_static_cast (ACEXML_UTF8, src); - return 1; - } - else if (src < 0x800) - { - if (len < 2) - return DESTINATION_TOO_SHORT; - - *dst = 0xc0 | (src / 0x40); - *(dst+1) = 0x80 | (src % 0x40); - return 2; - } - else - { - if (len < 3) - return DESTINATION_TOO_SHORT; - - // Surrogates (0xD800 - 0xDFFF) are not valid unicode values - if (src >= 0xD800 && src < 0xE000) - return IS_SURROGATE; - - *dst = 0xe0 | (src / 0x1000); - *(dst+1) = 0x80 | ((src % 0x1000) / 0x40); - *(dst+2) = 0x80 | (src % 0x40); - return 3; - } - ACE_NOTREACHED (return NON_UNICODE;) -} - -ACEXML_INLINE int -ACEXML_Transcoder::ucs42utf8 (ACEXML_UCS4 src, - ACEXML_UTF8 *dst, - size_t len) -{ - if (src < 0x10000) - { - int retv = ACEXML_Transcoder::utf162utf8 - (ACE_static_cast (ACEXML_UTF16, src), - dst, len); - return (retv == IS_SURROGATE ? NON_UNICODE : retv); - } - else if (src >= 0x100000 && src < 0x110000) - { - if (len < 4) - return DESTINATION_TOO_SHORT; - - if (dst == 0) - return INVALID_ARGS; - - *dst = 0xf0 | (src / 0x40000); - *(dst+1) = 0x80 | ((src % 0x40000) / 0x1000); - *(dst+2) = 0x80 | ((src % 0x1000) / 0x40); - *(dst+3) = 0x80 | (src % 0x40); - return 4; - } - return NON_UNICODE; -} - - -ACEXML_INLINE int -ACEXML_Transcoder::ucs42utf16 (ACEXML_UCS4 src, - ACEXML_UTF16 *dst, - size_t len) -{ - if (dst == 0) - return INVALID_ARGS; - - if (src < 0x10000) - { - if (len < 1) - return DESTINATION_TOO_SHORT; - - if (src >= 0xD800 && src < 0xE000) - return NON_UNICODE; // Surrogates are not valid unicode value - - *dst = ACE_static_cast (ACEXML_UTF16, src); - return 1; - } - else if (src >= 0x100000 && src < 0x110000) - // Scalar values are encoded into surrogates - { - if (len < 2) - return DESTINATION_TOO_SHORT; - - *dst = 0xD800 | (src / 0x400); - *(dst+1) = 0xDC00 | (src % 0x400); - return 2; - } - - return NON_UNICODE; -} - -ACEXML_INLINE int -ACEXML_Transcoder::surrogate2utf8 (ACEXML_UTF16 high, - ACEXML_UTF16 low, - ACEXML_UTF8 *dst, - size_t len) -{ - if (len < 3) - return DESTINATION_TOO_SHORT; - - if (dst == 0 || - (high >= 0xD800 && high < 0xDC00) || - (low >= 0xDC00 && low < 0xE000)) - return INVALID_ARGS; - - ACEXML_UCS4 src = (high - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000; - *dst = 0xD800 | (src / 0x400); - *(dst+1) = 0xDC00 | (src % 0x400); - return 2; -} - -ACEXML_INLINE int -ACEXML_Transcoder::surrogate2ucs4 (ACEXML_UTF16 high, - ACEXML_UTF16 low, - ACEXML_UCS4 &dst) -{ - if ((high >= 0xD800 && high < 0xDC00) || - (low >= 0xDC00 && low < 0xE000)) - return INVALID_ARGS; - - dst = (high - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000; - return SUCCESS; -} - -ACEXML_INLINE int -ACEXML_Transcoder::utf82ucs4 (const ACEXML_UTF8 *the_src, - size_t len, - ACEXML_UCS4 &dst) -{ - if (the_src == 0) - return INVALID_ARGS; - - const unsigned char *src = ACE_reinterpret_cast (const unsigned char *, - the_src); - - size_t forward = 1; - - if (forward > len) - return END_OF_SOURCE; - - if (ACE_static_cast (unsigned char, *src) < 0x80) - dst = *src; - else if ((*src & 0xE0) == 0xC0) - { - dst = (*(src++) & 0x1f) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; // Error transcoding unicode scalar - dst += *src & 0x3f; - } - else if ((*src & 0xF0) == 0xE0) - { - dst = (*src++ & 0x0f) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; - dst = (dst + (*src++ & 0x3f)) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; - dst += *src & 0x3f; - } - else if ((*src & 0xF8) == 0xF0) - { - dst = (*src++ & 0x0f) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; - dst = (dst + (*src++ & 0x3f)) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; - dst = (dst + (*src++ & 0x3f)) * 0x40; - if (++forward > len) - return END_OF_SOURCE; - if ((*src & 0xC0) != 0x80) - return NON_UNICODE; - dst += *src & 0x3f; - } - else - return NON_UNICODE; - - return forward; -} - -ACEXML_INLINE int -ACEXML_Transcoder::utf162ucs4 (const ACEXML_UTF16 *src, - size_t len, - ACEXML_UCS4 &dst) -{ - if (src == 0) - return INVALID_ARGS; - - size_t forward = 1; - if (*src >= 0xDC00 && *src < 0xE000) - { - if (len < 2) - return END_OF_SOURCE; - return ACEXML_Transcoder::surrogate2ucs4 (*src, - *(src+1), - dst); - } - else - { - if (len < 1) - return END_OF_SOURCE; - dst = *src; - } - - return forward; -} |