hirokawa Thu, 04 Aug 2011 12:11:04 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=314254
Log: removed invalid 5,6 byte encoding from utf-8 based on Unicode 5.2. Changed paths: U php/php-src/trunk/ext/mbstring/libmbfl/filters/mbfilter_utf8.c Modified: php/php-src/trunk/ext/mbstring/libmbfl/filters/mbfilter_utf8.c =================================================================== --- php/php-src/trunk/ext/mbstring/libmbfl/filters/mbfilter_utf8.c 2011-08-04 12:05:48 UTC (rev 314253) +++ php/php-src/trunk/ext/mbstring/libmbfl/filters/mbfilter_utf8.c 2011-08-04 12:11:04 UTC (rev 314254) @@ -52,7 +52,7 @@ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1 + 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1 }; static const char *mbfl_encoding_utf8_aliases[] = {"utf8", NULL}; @@ -111,40 +111,23 @@ case 0x10: /* 2byte code 2nd char */ case 0x21: /* 3byte code 3rd char */ case 0x32: /* 4byte code 4th char */ - case 0x43: /* 5byte code 5th char */ - case 0x54: /* 6byte code 6th char */ filter->status = 0; s = filter->cache | (c & 0x3f); if ((status == 0x10 && s >= 0x80) || (status == 0x21 && s >= 0x800 && (s < 0xd800 || s > 0xdfff)) || - (status == 0x32 && s >= 0x10000) || - (status == 0x43 && s >= 0x200000) || - (status == 0x54 && s >= 0x4000000 && s < MBFL_WCSGROUP_UCS4MAX)) { + (status == 0x32 && s >= 0x10000 && s < 0x200000)) { CK((*filter->output_function)(s, filter->data)); } break; case 0x20: /* 3byte code 2nd char */ case 0x31: /* 4byte code 3rd char */ - case 0x42: /* 5byte code 4th char */ - case 0x53: /* 6byte code 5th char */ filter->cache |= ((c & 0x3f) << 6); filter->status++; break; case 0x30: /* 4byte code 2nd char */ - case 0x41: /* 5byte code 3rd char */ - case 0x52: /* 6byte code 4th char */ filter->cache |= ((c & 0x3f) << 12); filter->status++; break; - case 0x40: /* 5byte code 2nd char */ - case 0x51: /* 6byte code 3rd char */ - filter->cache |= ((c & 0x3f) << 18); - filter->status++; - break; - case 0x50: /* 6byte code 2nd char */ - filter->cache |= ((c & 0x3f) << 24); - filter->status++; - break; default: filter->status = 0; break; @@ -158,12 +141,6 @@ } else if (c < 0xf8) { /* 4byte code first char */ filter->status = 0x30; filter->cache = (c & 0x7) << 18; - } else if (c < 0xfc) { /* 5byte code first char */ - filter->status = 0x40; - filter->cache = (c & 0x3) << 24; - } else if (c < 0xfe) { /* 6 byte code first char */ - filter->status = 0x50; - filter->cache = (c & 0x1) << 30; } else { filter->status = 0; filter->cache = 0; @@ -177,7 +154,7 @@ */ int mbfl_filt_conv_wchar_utf8(int c, mbfl_convert_filter *filter) { - if (c >= 0 && c < MBFL_WCSGROUP_UCS4MAX) { + if (c >= 0 && c < 0x200000) { if (c < 0x80) { CK((*filter->output_function)(c, filter->data)); } else if (c < 0x800) { @@ -187,24 +164,11 @@ CK((*filter->output_function)(((c >> 12) & 0x0f) | 0xe0, filter->data)); CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data)); CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data)); - } else if (c < 0x200000) { + } else { CK((*filter->output_function)(((c >> 18) & 0x07) | 0xf0, filter->data)); CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data)); CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data)); CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data)); - } else if (c < 0x4000000) { - CK((*filter->output_function)(((c >> 24) & 0x03) | 0xf8, filter->data)); - CK((*filter->output_function)(((c >> 18) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data)); - } else { - CK((*filter->output_function)(((c >> 30) & 0x01) | 0xfc, filter->data)); - CK((*filter->output_function)(((c >> 24) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 18) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data)); } } else { if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) { @@ -229,20 +193,11 @@ case 0x20: /* 3 byte code 2nd char */ case 0x30: /* 4 byte code 2nd char */ case 0x31: /* 4 byte code 3rd char */ - case 0x40: /* 5 byte code 2nd char */ - case 0x41: /* 5 byte code 3rd char */ - case 0x42: /* 5 byte code 4th char */ - case 0x50: /* 6 byte code 2nd char */ - case 0x51: /* 6 byte code 3rd char */ - case 0x52: /* 6 byte code 4th char */ - case 0x53: /* 6 byte code 5th char */ filter->status++; break; case 0x10: /* 2 byte code 2nd char */ case 0x21: /* 3 byte code 3rd char */ case 0x32: /* 4 byte code 4th char */ - case 0x43: /* 5 byte code 5th char */ - case 0x54: /* 6 byte code 6th char */ filter->status = 0; break; default: @@ -261,10 +216,6 @@ filter->status = 0x20; } else if (c < 0xf8) { /* 4 byte code 1st char */ filter->status = 0x30; - } else if (c < 0xfc) { /* 5 byte code 1st char */ - filter->status = 0x40; - } else if (c < 0xfe) { /* 6 byte code 1st char */ - filter->status = 0x50; } else { filter->flag = 1; /* bad */ }
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