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authorRemko Tronçon <git@el-tramo.be>2009-06-03 21:52:05 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-09 18:18:53 (GMT)
commitfd89da91d12b270d56f60544cad6f1ddc809af28 (patch)
tree77bebb89221cc8023b22efaa0b707cdcd0759b3b /3rdParty/Boost/libs/regex/src/icu.cpp
parent3de4268ade36c9292a88b1da7604748a87c65777 (diff)
downloadswift-contrib-fd89da91d12b270d56f60544cad6f1ddc809af28.zip
swift-contrib-fd89da91d12b270d56f60544cad6f1ddc809af28.tar.bz2
Added Boost.regex.
Diffstat (limited to '3rdParty/Boost/libs/regex/src/icu.cpp')
-rw-r--r--3rdParty/Boost/libs/regex/src/icu.cpp495
1 files changed, 495 insertions, 0 deletions
diff --git a/3rdParty/Boost/libs/regex/src/icu.cpp b/3rdParty/Boost/libs/regex/src/icu.cpp
new file mode 100644
index 0000000..e06c317
--- /dev/null
+++ b/3rdParty/Boost/libs/regex/src/icu.cpp
@@ -0,0 +1,495 @@
+/*
+ *
+ * Copyright (c) 2004
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the
+ * Boost Software License, Version 1.0. (See accompanying file
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+ /*
+ * LOCATION: see http://www.boost.org for most recent version.
+ * FILE icu.cpp
+ * VERSION see <boost/version.hpp>
+ * DESCRIPTION: Unicode regular expressions on top of the ICU Library.
+ */
+#define BOOST_REGEX_SOURCE
+
+#include <boost/regex/config.hpp>
+#ifdef BOOST_HAS_ICU
+#define BOOST_REGEX_ICU_INSTANTIATE
+#include <boost/regex/icu.hpp>
+
+namespace boost{
+
+namespace re_detail{
+
+icu_regex_traits_implementation::string_type icu_regex_traits_implementation::do_transform(const char_type* p1, const char_type* p2, const U_NAMESPACE_QUALIFIER Collator* pcoll) const
+{
+ // TODO make thread safe!!!! :
+ typedef u32_to_u16_iterator<const char_type*, ::UChar> itt;
+ itt i(p1), j(p2);
+#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+ std::vector< ::UChar> t(i, j);
+#else
+ std::vector< ::UChar> t;
+ while(i != j)
+ t.push_back(*i++);
+#endif
+ ::uint8_t result[100];
+ ::int32_t len;
+ if(t.size())
+ len = pcoll->getSortKey(&*t.begin(), static_cast< ::int32_t>(t.size()), result, sizeof(result));
+ else
+ len = pcoll->getSortKey(static_cast<UChar const*>(0), static_cast< ::int32_t>(0), result, sizeof(result));
+ if(std::size_t(len) > sizeof(result))
+ {
+ scoped_array< ::uint8_t> presult(new ::uint8_t[len+1]);
+ if(t.size())
+ len = pcoll->getSortKey(&*t.begin(), static_cast< ::int32_t>(t.size()), presult.get(), len+1);
+ else
+ len = pcoll->getSortKey(static_cast<UChar const*>(0), static_cast< ::int32_t>(0), presult.get(), len+1);
+ if((0 == presult[len-1]) && (len > 1))
+ --len;
+#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+ return string_type(presult.get(), presult.get()+len);
+#else
+ string_type sresult;
+ ::uint8_t const* ia = presult.get();
+ ::uint8_t const* ib = presult.get()+len;
+ while(ia != ib)
+ sresult.push_back(*ia++);
+ return sresult;
+#endif
+ }
+ if((0 == result[len-1]) && (len > 1))
+ --len;
+#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+ return string_type(result, result+len);
+#else
+ string_type sresult;
+ ::uint8_t const* ia = result;
+ ::uint8_t const* ib = result+len;
+ while(ia != ib)
+ sresult.push_back(*ia++);
+ return sresult;
+#endif
+}
+
+}
+
+icu_regex_traits::size_type icu_regex_traits::length(const char_type* p)
+{
+ size_type result = 0;
+ while(*p)
+ {
+ ++p;
+ ++result;
+ }
+ return result;
+}
+
+//
+// define our bitmasks:
+//
+const icu_regex_traits::char_class_type icu_regex_traits::mask_blank = icu_regex_traits::char_class_type(1) << offset_blank;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_space = icu_regex_traits::char_class_type(1) << offset_space;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_xdigit = icu_regex_traits::char_class_type(1) << offset_xdigit;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_underscore = icu_regex_traits::char_class_type(1) << offset_underscore;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_unicode = icu_regex_traits::char_class_type(1) << offset_unicode;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_any = icu_regex_traits::char_class_type(1) << offset_any;
+const icu_regex_traits::char_class_type icu_regex_traits::mask_ascii = icu_regex_traits::char_class_type(1) << offset_ascii;
+
+icu_regex_traits::char_class_type icu_regex_traits::lookup_icu_mask(const ::UChar32* p1, const ::UChar32* p2)
+{
+ static const ::UChar32 prop_name_table[] = {
+ /* any */ 'a', 'n', 'y',
+ /* ascii */ 'a', 's', 'c', 'i', 'i',
+ /* assigned */ 'a', 's', 's', 'i', 'g', 'n', 'e', 'd',
+ /* c* */ 'c', '*',
+ /* cc */ 'c', 'c',
+ /* cf */ 'c', 'f',
+ /* closepunctuation */ 'c', 'l', 'o', 's', 'e', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* cn */ 'c', 'n',
+ /* co */ 'c', 'o',
+ /* connectorpunctuation */ 'c', 'o', 'n', 'n', 'e', 'c', 't', 'o', 'r', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* control */ 'c', 'o', 'n', 't', 'r', 'o', 'l',
+ /* cs */ 'c', 's',
+ /* currencysymbol */ 'c', 'u', 'r', 'r', 'e', 'n', 'c', 'y', 's', 'y', 'm', 'b', 'o', 'l',
+ /* dashpunctuation */ 'd', 'a', 's', 'h', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* decimaldigitnumber */ 'd', 'e', 'c', 'i', 'm', 'a', 'l', 'd', 'i', 'g', 'i', 't', 'n', 'u', 'm', 'b', 'e', 'r',
+ /* enclosingmark */ 'e', 'n', 'c', 'l', 'o', 's', 'i', 'n', 'g', 'm', 'a', 'r', 'k',
+ /* finalpunctuation */ 'f', 'i', 'n', 'a', 'l', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* format */ 'f', 'o', 'r', 'm', 'a', 't',
+ /* initialpunctuation */ 'i', 'n', 'i', 't', 'i', 'a', 'l', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* l* */ 'l', '*',
+ /* letter */ 'l', 'e', 't', 't', 'e', 'r',
+ /* letternumber */ 'l', 'e', 't', 't', 'e', 'r', 'n', 'u', 'm', 'b', 'e', 'r',
+ /* lineseparator */ 'l', 'i', 'n', 'e', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r',
+ /* ll */ 'l', 'l',
+ /* lm */ 'l', 'm',
+ /* lo */ 'l', 'o',
+ /* lowercaseletter */ 'l', 'o', 'w', 'e', 'r', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r',
+ /* lt */ 'l', 't',
+ /* lu */ 'l', 'u',
+ /* m* */ 'm', '*',
+ /* mark */ 'm', 'a', 'r', 'k',
+ /* mathsymbol */ 'm', 'a', 't', 'h', 's', 'y', 'm', 'b', 'o', 'l',
+ /* mc */ 'm', 'c',
+ /* me */ 'm', 'e',
+ /* mn */ 'm', 'n',
+ /* modifierletter */ 'm', 'o', 'd', 'i', 'f', 'i', 'e', 'r', 'l', 'e', 't', 't', 'e', 'r',
+ /* modifiersymbol */ 'm', 'o', 'd', 'i', 'f', 'i', 'e', 'r', 's', 'y', 'm', 'b', 'o', 'l',
+ /* n* */ 'n', '*',
+ /* nd */ 'n', 'd',
+ /* nl */ 'n', 'l',
+ /* no */ 'n', 'o',
+ /* nonspacingmark */ 'n', 'o', 'n', 's', 'p', 'a', 'c', 'i', 'n', 'g', 'm', 'a', 'r', 'k',
+ /* notassigned */ 'n', 'o', 't', 'a', 's', 's', 'i', 'g', 'n', 'e', 'd',
+ /* number */ 'n', 'u', 'm', 'b', 'e', 'r',
+ /* openpunctuation */ 'o', 'p', 'e', 'n', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* other */ 'o', 't', 'h', 'e', 'r',
+ /* otherletter */ 'o', 't', 'h', 'e', 'r', 'l', 'e', 't', 't', 'e', 'r',
+ /* othernumber */ 'o', 't', 'h', 'e', 'r', 'n', 'u', 'm', 'b', 'e', 'r',
+ /* otherpunctuation */ 'o', 't', 'h', 'e', 'r', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* othersymbol */ 'o', 't', 'h', 'e', 'r', 's', 'y', 'm', 'b', 'o', 'l',
+ /* p* */ 'p', '*',
+ /* paragraphseparator */ 'p', 'a', 'r', 'a', 'g', 'r', 'a', 'p', 'h', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r',
+ /* pc */ 'p', 'c',
+ /* pd */ 'p', 'd',
+ /* pe */ 'p', 'e',
+ /* pf */ 'p', 'f',
+ /* pi */ 'p', 'i',
+ /* po */ 'p', 'o',
+ /* privateuse */ 'p', 'r', 'i', 'v', 'a', 't', 'e', 'u', 's', 'e',
+ /* ps */ 'p', 's',
+ /* punctuation */ 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n',
+ /* s* */ 's', '*',
+ /* sc */ 's', 'c',
+ /* separator */ 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r',
+ /* sk */ 's', 'k',
+ /* sm */ 's', 'm',
+ /* so */ 's', 'o',
+ /* spaceseparator */ 's', 'p', 'a', 'c', 'e', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r',
+ /* spacingcombiningmark */ 's', 'p', 'a', 'c', 'i', 'n', 'g', 'c', 'o', 'm', 'b', 'i', 'n', 'i', 'n', 'g', 'm', 'a', 'r', 'k',
+ /* surrogate */ 's', 'u', 'r', 'r', 'o', 'g', 'a', 't', 'e',
+ /* symbol */ 's', 'y', 'm', 'b', 'o', 'l',
+ /* titlecase */ 't', 'i', 't', 'l', 'e', 'c', 'a', 's', 'e',
+ /* titlecaseletter */ 't', 'i', 't', 'l', 'e', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r',
+ /* uppercaseletter */ 'u', 'p', 'p', 'e', 'r', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r',
+ /* z* */ 'z', '*',
+ /* zl */ 'z', 'l',
+ /* zp */ 'z', 'p',
+ /* zs */ 'z', 's',
+ };
+
+ static const re_detail::character_pointer_range< ::UChar32> range_data[] = {
+ { prop_name_table+0, prop_name_table+3, }, // any
+ { prop_name_table+3, prop_name_table+8, }, // ascii
+ { prop_name_table+8, prop_name_table+16, }, // assigned
+ { prop_name_table+16, prop_name_table+18, }, // c*
+ { prop_name_table+18, prop_name_table+20, }, // cc
+ { prop_name_table+20, prop_name_table+22, }, // cf
+ { prop_name_table+22, prop_name_table+38, }, // closepunctuation
+ { prop_name_table+38, prop_name_table+40, }, // cn
+ { prop_name_table+40, prop_name_table+42, }, // co
+ { prop_name_table+42, prop_name_table+62, }, // connectorpunctuation
+ { prop_name_table+62, prop_name_table+69, }, // control
+ { prop_name_table+69, prop_name_table+71, }, // cs
+ { prop_name_table+71, prop_name_table+85, }, // currencysymbol
+ { prop_name_table+85, prop_name_table+100, }, // dashpunctuation
+ { prop_name_table+100, prop_name_table+118, }, // decimaldigitnumber
+ { prop_name_table+118, prop_name_table+131, }, // enclosingmark
+ { prop_name_table+131, prop_name_table+147, }, // finalpunctuation
+ { prop_name_table+147, prop_name_table+153, }, // format
+ { prop_name_table+153, prop_name_table+171, }, // initialpunctuation
+ { prop_name_table+171, prop_name_table+173, }, // l*
+ { prop_name_table+173, prop_name_table+179, }, // letter
+ { prop_name_table+179, prop_name_table+191, }, // letternumber
+ { prop_name_table+191, prop_name_table+204, }, // lineseparator
+ { prop_name_table+204, prop_name_table+206, }, // ll
+ { prop_name_table+206, prop_name_table+208, }, // lm
+ { prop_name_table+208, prop_name_table+210, }, // lo
+ { prop_name_table+210, prop_name_table+225, }, // lowercaseletter
+ { prop_name_table+225, prop_name_table+227, }, // lt
+ { prop_name_table+227, prop_name_table+229, }, // lu
+ { prop_name_table+229, prop_name_table+231, }, // m*
+ { prop_name_table+231, prop_name_table+235, }, // mark
+ { prop_name_table+235, prop_name_table+245, }, // mathsymbol
+ { prop_name_table+245, prop_name_table+247, }, // mc
+ { prop_name_table+247, prop_name_table+249, }, // me
+ { prop_name_table+249, prop_name_table+251, }, // mn
+ { prop_name_table+251, prop_name_table+265, }, // modifierletter
+ { prop_name_table+265, prop_name_table+279, }, // modifiersymbol
+ { prop_name_table+279, prop_name_table+281, }, // n*
+ { prop_name_table+281, prop_name_table+283, }, // nd
+ { prop_name_table+283, prop_name_table+285, }, // nl
+ { prop_name_table+285, prop_name_table+287, }, // no
+ { prop_name_table+287, prop_name_table+301, }, // nonspacingmark
+ { prop_name_table+301, prop_name_table+312, }, // notassigned
+ { prop_name_table+312, prop_name_table+318, }, // number
+ { prop_name_table+318, prop_name_table+333, }, // openpunctuation
+ { prop_name_table+333, prop_name_table+338, }, // other
+ { prop_name_table+338, prop_name_table+349, }, // otherletter
+ { prop_name_table+349, prop_name_table+360, }, // othernumber
+ { prop_name_table+360, prop_name_table+376, }, // otherpunctuation
+ { prop_name_table+376, prop_name_table+387, }, // othersymbol
+ { prop_name_table+387, prop_name_table+389, }, // p*
+ { prop_name_table+389, prop_name_table+407, }, // paragraphseparator
+ { prop_name_table+407, prop_name_table+409, }, // pc
+ { prop_name_table+409, prop_name_table+411, }, // pd
+ { prop_name_table+411, prop_name_table+413, }, // pe
+ { prop_name_table+413, prop_name_table+415, }, // pf
+ { prop_name_table+415, prop_name_table+417, }, // pi
+ { prop_name_table+417, prop_name_table+419, }, // po
+ { prop_name_table+419, prop_name_table+429, }, // privateuse
+ { prop_name_table+429, prop_name_table+431, }, // ps
+ { prop_name_table+431, prop_name_table+442, }, // punctuation
+ { prop_name_table+442, prop_name_table+444, }, // s*
+ { prop_name_table+444, prop_name_table+446, }, // sc
+ { prop_name_table+446, prop_name_table+455, }, // separator
+ { prop_name_table+455, prop_name_table+457, }, // sk
+ { prop_name_table+457, prop_name_table+459, }, // sm
+ { prop_name_table+459, prop_name_table+461, }, // so
+ { prop_name_table+461, prop_name_table+475, }, // spaceseparator
+ { prop_name_table+475, prop_name_table+495, }, // spacingcombiningmark
+ { prop_name_table+495, prop_name_table+504, }, // surrogate
+ { prop_name_table+504, prop_name_table+510, }, // symbol
+ { prop_name_table+510, prop_name_table+519, }, // titlecase
+ { prop_name_table+519, prop_name_table+534, }, // titlecaseletter
+ { prop_name_table+534, prop_name_table+549, }, // uppercaseletter
+ { prop_name_table+549, prop_name_table+551, }, // z*
+ { prop_name_table+551, prop_name_table+553, }, // zl
+ { prop_name_table+553, prop_name_table+555, }, // zp
+ { prop_name_table+555, prop_name_table+557, }, // zs
+ };
+
+ static const icu_regex_traits::char_class_type icu_class_map[] = {
+ icu_regex_traits::mask_any, // any
+ icu_regex_traits::mask_ascii, // ascii
+ (0x3FFFFFFFu) & ~(U_GC_CN_MASK), // assigned
+ U_GC_C_MASK, // c*
+ U_GC_CC_MASK, // cc
+ U_GC_CF_MASK, // cf
+ U_GC_PE_MASK, // closepunctuation
+ U_GC_CN_MASK, // cn
+ U_GC_CO_MASK, // co
+ U_GC_PC_MASK, // connectorpunctuation
+ U_GC_CC_MASK, // control
+ U_GC_CS_MASK, // cs
+ U_GC_SC_MASK, // currencysymbol
+ U_GC_PD_MASK, // dashpunctuation
+ U_GC_ND_MASK, // decimaldigitnumber
+ U_GC_ME_MASK, // enclosingmark
+ U_GC_PF_MASK, // finalpunctuation
+ U_GC_CF_MASK, // format
+ U_GC_PI_MASK, // initialpunctuation
+ U_GC_L_MASK, // l*
+ U_GC_L_MASK, // letter
+ U_GC_NL_MASK, // letternumber
+ U_GC_ZL_MASK, // lineseparator
+ U_GC_LL_MASK, // ll
+ U_GC_LM_MASK, // lm
+ U_GC_LO_MASK, // lo
+ U_GC_LL_MASK, // lowercaseletter
+ U_GC_LT_MASK, // lt
+ U_GC_LU_MASK, // lu
+ U_GC_M_MASK, // m*
+ U_GC_M_MASK, // mark
+ U_GC_SM_MASK, // mathsymbol
+ U_GC_MC_MASK, // mc
+ U_GC_ME_MASK, // me
+ U_GC_MN_MASK, // mn
+ U_GC_LM_MASK, // modifierletter
+ U_GC_SK_MASK, // modifiersymbol
+ U_GC_N_MASK, // n*
+ U_GC_ND_MASK, // nd
+ U_GC_NL_MASK, // nl
+ U_GC_NO_MASK, // no
+ U_GC_MN_MASK, // nonspacingmark
+ U_GC_CN_MASK, // notassigned
+ U_GC_N_MASK, // number
+ U_GC_PS_MASK, // openpunctuation
+ U_GC_C_MASK, // other
+ U_GC_LO_MASK, // otherletter
+ U_GC_NO_MASK, // othernumber
+ U_GC_PO_MASK, // otherpunctuation
+ U_GC_SO_MASK, // othersymbol
+ U_GC_P_MASK, // p*
+ U_GC_ZP_MASK, // paragraphseparator
+ U_GC_PC_MASK, // pc
+ U_GC_PD_MASK, // pd
+ U_GC_PE_MASK, // pe
+ U_GC_PF_MASK, // pf
+ U_GC_PI_MASK, // pi
+ U_GC_PO_MASK, // po
+ U_GC_CO_MASK, // privateuse
+ U_GC_PS_MASK, // ps
+ U_GC_P_MASK, // punctuation
+ U_GC_S_MASK, // s*
+ U_GC_SC_MASK, // sc
+ U_GC_Z_MASK, // separator
+ U_GC_SK_MASK, // sk
+ U_GC_SM_MASK, // sm
+ U_GC_SO_MASK, // so
+ U_GC_ZS_MASK, // spaceseparator
+ U_GC_MC_MASK, // spacingcombiningmark
+ U_GC_CS_MASK, // surrogate
+ U_GC_S_MASK, // symbol
+ U_GC_LT_MASK, // titlecase
+ U_GC_LT_MASK, // titlecaseletter
+ U_GC_LU_MASK, // uppercaseletter
+ U_GC_Z_MASK, // z*
+ U_GC_ZL_MASK, // zl
+ U_GC_ZP_MASK, // zp
+ U_GC_ZS_MASK, // zs
+ };
+
+
+ static const re_detail::character_pointer_range< ::UChar32>* ranges_begin = range_data;
+ static const re_detail::character_pointer_range< ::UChar32>* ranges_end = range_data + (sizeof(range_data)/sizeof(range_data[0]));
+
+ re_detail::character_pointer_range< ::UChar32> t = { p1, p2, };
+ const re_detail::character_pointer_range< ::UChar32>* p = std::lower_bound(ranges_begin, ranges_end, t);
+ if((p != ranges_end) && (t == *p))
+ return icu_class_map[p - ranges_begin];
+ return 0;
+}
+
+icu_regex_traits::char_class_type icu_regex_traits::lookup_classname(const char_type* p1, const char_type* p2) const
+{
+ static const char_class_type masks[] =
+ {
+ 0,
+ U_GC_L_MASK | U_GC_ND_MASK,
+ U_GC_L_MASK,
+ mask_blank,
+ U_GC_CC_MASK | U_GC_CF_MASK | U_GC_ZL_MASK | U_GC_ZP_MASK,
+ U_GC_ND_MASK,
+ U_GC_ND_MASK,
+ (0x3FFFFFFFu) & ~(U_GC_CC_MASK | U_GC_CF_MASK | U_GC_CS_MASK | U_GC_CN_MASK | U_GC_Z_MASK),
+ U_GC_LL_MASK,
+ U_GC_LL_MASK,
+ ~(U_GC_C_MASK),
+ U_GC_P_MASK,
+ char_class_type(U_GC_Z_MASK) | mask_space,
+ char_class_type(U_GC_Z_MASK) | mask_space,
+ U_GC_LU_MASK,
+ mask_unicode,
+ U_GC_LU_MASK,
+ char_class_type(U_GC_L_MASK | U_GC_ND_MASK | U_GC_MN_MASK) | mask_underscore,
+ char_class_type(U_GC_L_MASK | U_GC_ND_MASK | U_GC_MN_MASK) | mask_underscore,
+ char_class_type(U_GC_ND_MASK) | mask_xdigit,
+ };
+
+ int id = ::boost::re_detail::get_default_class_id(p1, p2);
+ if(id >= 0)
+ return masks[id+1];
+ char_class_type result = lookup_icu_mask(p1, p2);
+ if(result != 0)
+ return result;
+
+ if(id < 0)
+ {
+ string_type s(p1, p2);
+ string_type::size_type i = 0;
+ while(i < s.size())
+ {
+ s[i] = static_cast<char>((::u_tolower)(s[i]));
+ if(::u_isspace(s[i]) || (s[i] == '-') || (s[i] == '_'))
+ s.erase(s.begin()+i, s.begin()+i+1);
+ else
+ {
+ s[i] = static_cast<char>((::u_tolower)(s[i]));
+ ++i;
+ }
+ }
+ if(s.size())
+ id = ::boost::re_detail::get_default_class_id(&*s.begin(), &*s.begin() + s.size());
+ if(id >= 0)
+ return masks[id+1];
+ if(s.size())
+ result = lookup_icu_mask(&*s.begin(), &*s.begin() + s.size());
+ if(result != 0)
+ return result;
+ }
+ BOOST_ASSERT(std::size_t(id+1) < sizeof(masks) / sizeof(masks[0]));
+ return masks[id+1];
+}
+
+icu_regex_traits::string_type icu_regex_traits::lookup_collatename(const char_type* p1, const char_type* p2) const
+{
+ string_type result;
+ if(std::find_if(p1, p2, std::bind2nd(std::greater< ::UChar32>(), 0x7f)) == p2)
+ {
+#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+ std::string s(p1, p2);
+#else
+ std::string s;
+ const char_type* p3 = p1;
+ while(p3 != p2)
+ s.append(1, *p3++);
+#endif
+ // Try Unicode name:
+ UErrorCode err = U_ZERO_ERROR;
+ UChar32 c = ::u_charFromName(U_UNICODE_CHAR_NAME, s.c_str(), &err);
+ if(U_SUCCESS(err))
+ {
+ result.push_back(c);
+ return result;
+ }
+ // Try Unicode-extended name:
+ err = U_ZERO_ERROR;
+ c = ::u_charFromName(U_EXTENDED_CHAR_NAME, s.c_str(), &err);
+ if(U_SUCCESS(err))
+ {
+ result.push_back(c);
+ return result;
+ }
+ // try POSIX name:
+ s = ::boost::re_detail::lookup_default_collate_name(s);
+#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+ result.assign(s.begin(), s.end());
+#else
+ result.clear();
+ std::string::const_iterator si, sj;
+ si = s.begin();
+ sj = s.end();
+ while(si != sj)
+ result.push_back(*si++);
+#endif
+ }
+ if(result.empty() && (p2-p1 == 1))
+ result.push_back(*p1);
+ return result;
+}
+
+bool icu_regex_traits::isctype(char_type c, char_class_type f) const
+{
+ // check for standard catagories first:
+ char_class_type m = char_class_type(1u << u_charType(c));
+ if((m & f) != 0)
+ return true;
+ // now check for special cases:
+ if(((f & mask_blank) != 0) && u_isblank(c))
+ return true;
+ if(((f & mask_space) != 0) && u_isspace(c))
+ return true;
+ if(((f & mask_xdigit) != 0) && (u_digit(c, 16) >= 0))
+ return true;
+ if(((f & mask_unicode) != 0) && (c >= 0x100))
+ return true;
+ if(((f & mask_underscore) != 0) && (c == '_'))
+ return true;
+ if(((f & mask_any) != 0) && (c <= 0x10FFFF))
+ return true;
+ if(((f & mask_ascii) != 0) && (c <= 0x7F))
+ return true;
+ return false;
+}
+
+}
+
+#endif // BOOST_HAS_ICU