diff options
Diffstat (limited to 'external/liborcus/allow-utf-8-in-xml-names.patch')
| -rw-r--r-- | external/liborcus/allow-utf-8-in-xml-names.patch | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/external/liborcus/allow-utf-8-in-xml-names.patch b/external/liborcus/allow-utf-8-in-xml-names.patch deleted file mode 100644 index e3430881053d..000000000000 --- a/external/liborcus/allow-utf-8-in-xml-names.patch +++ /dev/null @@ -1,301 +0,0 @@ -From fa9b6845ed583f5486372c6ffbc59e02a140d303 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@centrum.cz> -Date: Thu, 29 Apr 2021 19:12:20 +0200 -Subject: [PATCH] allow utf-8 in xml names (#137) - -https://www.w3.org/TR/2006/REC-xml11-20060816/#NT-NameStartChar -has a list of all allowed characters. ---- - include/orcus/sax_parser_base.hpp | 3 + - src/orcus_test_xml.cpp | 1 + - src/parser/sax_parser_base.cpp | 201 ++++++++++++++++++++++++++++-- - test/xml/non-ascii/check.txt | 4 + - test/xml/non-ascii/input.xml | 4 + - 5 files changed, 201 insertions(+), 12 deletions(-) - create mode 100644 test/xml/non-ascii/check.txt - create mode 100644 test/xml/non-ascii/input.xml - -diff --git a/include/orcus/sax_parser_base.hpp b/include/orcus/sax_parser_base.hpp -index 9939e133..8394c07b 100644 ---- a/include/orcus/sax_parser_base.hpp -+++ b/include/orcus/sax_parser_base.hpp -@@ -218,6 +218,9 @@ protected: - void element_name(parser_element& elem, std::ptrdiff_t begin_pos); - void attribute_name(pstring& attr_ns, pstring& attr_name); - void characters_with_encoded_char(cell_buffer& buf); -+ -+ int is_name_char(); -+ int is_name_start_char(); - }; - - }} -diff --git a/src/orcus_test_xml.cpp b/src/orcus_test_xml.cpp -index 8a864d68..35f3dea7 100644 ---- a/src/orcus_test_xml.cpp -+++ b/src/orcus_test_xml.cpp -@@ -77,6 +77,7 @@ const char* sax_parser_test_dirs[] = { - SRCDIR"/test/xml/no-decl-1/", - SRCDIR"/test/xml/underscore-identifier/", - SRCDIR"/test/xml/self-closing-root/", -+ SRCDIR"/test/xml/non-ascii/", - }; - - const char* sax_parser_parse_only_test_dirs[] = { -diff --git a/src/parser/sax_parser_base.cpp b/src/parser/sax_parser_base.cpp -index 97aa34ec..db51ff94 100644 ---- a/src/parser/sax_parser_base.cpp -+++ b/src/parser/sax_parser_base.cpp -@@ -328,20 +328,182 @@ bool parser_base::value(pstring& str, bool decode) - return transient_stream(); - } - -+// https://www.w3.org/TR/2006/REC-xml11-20060816/#NT-NameStartChar -+// Return length of the character in bytes, otherwise 0. -+template< bool only_start_name > -+static -+int is_name_char_helper(const char* mp_char, const char* mp_end) -+{ -+ const unsigned char first = mp_char[0]; -+ // Note that ':' technically is an allowed name character, but it is handled separately -+ // e.g. in element_name(), so here pretend it isn't. -+ if (/*first == ':' ||*/ first == '_' || (first >= 'A' && first <= 'Z') || (first >= 'a' && first <= 'z')) -+ return 1; -+ if (!only_start_name && (first == '-' || first == '.' || (first >= '0' && first <= '9'))) -+ return 1; -+ -+ if (first < 0x7f) // other ascii characters are not allowed -+ return 0; -+ if (mp_end < mp_char + 1) -+ return 0; -+ const unsigned char second = mp_char[1]; -+ -+ // 0xb7 = 0xc2 0xb7 utf-8 -+ if (!only_start_name && first == 0xc2 && second == 0xb7) -+ return 2; -+ -+ // [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] -+ // 0xc0 = 0xc3 0x80 utf-8 -+ if (first < 0xc3) -+ return 0; -+ // xd7 = 0xc3 0x97 utf-8, 0xf7 = 0xc3 0xb7 utf-8 -+ if (first == 0xc3) -+ return second >= 0x80 && second <= 0xff && second != 0x97 && second != 0xb7 ? 2 : 0; -+ // 0x2ff = 0xcb 0xbf utf-8, 0x300 = 0xcc 0x80 utf-8 -+ if (first >= 0xc4 && first <= 0xcb) -+ return 2; -+ -+ // [#x0300-#x036F] -+ // 0x0300 = 0xcc 0x80 utf-8, 0x36f = 0xcd 0xaf utf-8 -+ if (!only_start_name && first == 0xcc) -+ return 2; -+ if (!only_start_name && first == 0xcd && second <= 0xaf) -+ return 2; -+ -+ // [#x370-#x37D] | [#x37F-#x1FFF] -+ // 0x370 = 0xcd 0xb0 utf-8, 0x37e = 0xcd 0xbe -+ if (first < 0xcd) -+ return 0; -+ if (first == 0xcd) -+ return second >= 0xb0 && second != 0xbe ? 2 : 0; -+ // 0x07ff = 0xdf 0xbf utf-8 (the last 2-byte utf-8) -+ if (first <= 0xdf) -+ return 2; -+ -+ if (first < 0xe0) -+ return 0; -+ if (mp_end < mp_char + 2) -+ return 0; -+ const unsigned char third = mp_char[2]; -+ -+ // 0x0800 = 0xe0 0xa0 0x80 utf-8, 0x1fff = 0xe1 0xbf 0xbf utf-8, 0x2000 = 0xe2 0x80 0x80 -+ if (first == 0xe0 || first == 0xe1) -+ return 3; -+ -+ // [#x200C-#x200D] -+ // 0x200c = 0xe2 0x80 0x8c utf-8, 0x200d = 0xe2 0x80 0x8d utf-8 -+ if (first < 0xe2) -+ return 0; -+ if (first == 0xe2 && second == 0x80 && (third == 0x8c || third == 0x8d)) -+ return 3; -+ -+ // [#x203F-#x2040] -+ // 0x203f = 0xe2 0x80 0xbf utf-8, 0x2040 = 0xe2 0x81 0x80 utf-8 -+ if (!only_start_name && first == 0xe2 && second == 0x80 && third == 0xbf) -+ return 3; -+ if (!only_start_name && first == 0xe2 && second == 0x81 && third == 0x80) -+ return 3; -+ -+ // [#x2070-#x218F] -+ // 0x2070 = 0xe2 0x81 0xb0 utf-8, 0x218f = 0xe2 0x86 0x8f utf-8 -+ if (first == 0xe2) -+ { -+ if (second < 0x81) -+ return 0; -+ if (second >= 0x81 && second < 0x86) -+ return 3; -+ if (second == 0x86 && third <= 0x8f) -+ return 3; -+ } -+ -+ // [#x2C00-#x2FEF] -+ // 0x2c00 = 0xe2 0xb0 0x80 utf-8, 0x2fef = 0xe2 0xbf 0xaf utf-8 -+ if (first == 0xe2) -+ { -+ if (second < 0xb0) -+ return 0; -+ if (second < 0xbf) -+ return 3; -+ if (second == 0xbf && third <= 0xaf) -+ return 3; -+ } -+ -+ // [#x3001-#xD7FF] -+ // 0x3001 = 0xe3 0x80 0x81 utf-8, 0xd7ff = 0xed 0x9f 0xbf utf-8, 0xd800 = 0xed 0xa0 0x80 utf-8 -+ if (first < 0xe3) -+ return 0; -+ if (first < 0xed) -+ return 3; -+ if (first == 0xed && second <= 0x9f) -+ return 3; -+ -+ // [#xF900-#xFDCF] -+ // 0xf900 = 0xef 0xa4 0x80 utf-8, 0xfdcf = 0xef 0xb7 0x8f utf-8 -+ if (first == 0xef) -+ { -+ if (second < 0xa4) -+ return 0; -+ if (second < 0xb7) -+ return 3; -+ if (second == 0xb7 && third <= 0x8f) -+ return 3; -+ } -+ -+ // [#xFDF0-#xFFFD] -+ // 0xfdf0 = 0xef 0xb7 0xb0 utf-8, 0xfffd = 0xef 0xbf 0xbd utf-8 -+ if (first == 0xef) -+ { -+ assert(second >= 0xb7); -+ if (second == 0xb7 && third < 0xb0) -+ return 0; -+ if (second < 0xbe) -+ return 3; -+ if (second == 0xbf && third <= 0xbd) -+ return 3; -+ } -+ -+ if (first < 0xf0) -+ return 0; -+ if (mp_end < mp_char + 3) -+ return 0; -+ // const unsigned char fourth = mp_char[3]; -+ -+ // [#x10000-#xEFFFF] -+ // 0x10000 = 0xf0 0x90 0x80 0x80 utf-8, 0xeffff = 0xf3 0xaf 0xbf 0xbf utf-8, -+ // 0xf0000 = 0xf3 0xb0 0x80 0x80 utf-8 -+ if (first >= 0xf0 && first < 0xf2) -+ return 4; -+ if (first == 0xf3 && second < 0xb0) -+ return 4; -+ -+ return 0; -+} -+ -+int parser_base::is_name_char() -+{ -+ return is_name_char_helper<false>(mp_char, mp_end); -+} -+ -+int parser_base::is_name_start_char() -+{ -+ return is_name_char_helper<true>(mp_char, mp_end); -+} -+ - void parser_base::name(pstring& str) - { - const char* p0 = mp_char; -- char c = cur_char(); -- if (!is_alpha(c) && c != '_') -+ int skip = is_name_start_char(); -+ if (skip == 0) - { - ::std::ostringstream os; -- os << "name must begin with an alphabet, but got this instead '" << c << "'"; -+ os << "name must begin with an alphabet, but got this instead '" << cur_char() << "'"; - throw malformed_xml_error(os.str(), offset()); - } -+ next(skip); - - #if defined(__ORCUS_CPU_FEATURES) && defined(__SSE4_2__) - -- const __m128i match = _mm_loadu_si128((const __m128i*)"azAZ09--__"); -+ const __m128i match = _mm_loadu_si128((const __m128i*)"azAZ09--__.."); - const int mode = _SIDD_LEAST_SIGNIFICANT | _SIDD_CMP_RANGES | _SIDD_UBYTE_OPS | _SIDD_NEGATIVE_POLARITY; - - size_t n_total = available_size(); -@@ -351,20 +513,35 @@ void parser_base::name(pstring& str) - __m128i char_block = _mm_loadu_si128((const __m128i*)mp_char); - - int n = std::min<size_t>(16u, n_total); -- int r = _mm_cmpestri(match, 10, char_block, n, mode); -+ int r = _mm_cmpestri(match, 12, char_block, n, mode); - mp_char += r; // Move the current char position. -+ n_total -= r; - -- if (r < 16) -- // No need to move to the next segment. Stop here. -- break; -+ if (r < 16 && n_total) -+ { -+ // There is a character that does not match the SSE-based ASCII-only check. -+ // It may either by an ascii character that is not allowed, in which case stop, -+ // or it may possibly be an allowed utf-8 character, in which case move over it -+ // using the slow function. -+ skip = is_name_char(); -+ if(skip == 0) -+ break; -+ next(skip); -+ n_total -= skip; -+ } - -- // Skip 16 chars to the next segment. -- n_total -= 16; - } -+ cur_char_checked(); // check end of xml stream - - #else -- while (is_alpha(c) || is_numeric(c) || is_name_char(c)) -- c = next_char_checked(); -+ for(;;) -+ { -+ cur_char_checked(); // check end of xml stream -+ skip = is_name_char(); -+ if(skip == 0) -+ break; -+ next(skip); -+ } - #endif - - str = pstring(p0, mp_char-p0); -diff --git a/test/xml/non-ascii/check.txt b/test/xml/non-ascii/check.txt -new file mode 100644 -index 00000000..77b7c003 ---- /dev/null -+++ b/test/xml/non-ascii/check.txt -@@ -0,0 +1,4 @@ -+/Myšička -+/Myšička@jméno="Žužla" -+/Myšička/Nožičky -+/Myšička/Nožičky"4" -diff --git a/test/xml/non-ascii/input.xml b/test/xml/non-ascii/input.xml -new file mode 100644 -index 00000000..c516744b ---- /dev/null -+++ b/test/xml/non-ascii/input.xml -@@ -0,0 +1,4 @@ -+<?xml version="1.0" encoding="UTF-8"?> -+<Myšička jméno="Žužla"> -+ <Nožičky>4</Nožičky> -+</Myšička> --- -2.26.2 - |