diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2012-10-26 07:13:09 +0000 |
---|---|---|
committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2012-10-26 07:13:09 +0000 |
commit | 74cc05c672add53f566ac385f117008e8c4b3eda (patch) | |
tree | ce973a7d2e4814a20d52a55b1a2131d1515e9911 /Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h | |
parent | 6439fb8917718c4d620170e1459a1d9e7ab3c441 (diff) |
icu 50.1 (50_rc)
git-svn-id: svn://tug.org/texlive/trunk@28087 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h')
-rw-r--r-- | Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h b/Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h new file mode 100644 index 00000000000..b2be5d0388e --- /dev/null +++ b/Build/source/libs/icu/icu-50.1/i18n/uspoof_conf.h @@ -0,0 +1,132 @@ +/* +****************************************************************************** +* +* Copyright (C) 2008-2011, International Business Machines +* Corporation and others. All Rights Reserved. +* +****************************************************************************** +* file name: uspoof_conf.h +* encoding: US-ASCII +* tab size: 8 (not used) +* indentation:4 +* +* created on: 2009Jan05 +* created by: Andy Heninger +* +* Internal classes for compiling confusable data into its binary (runtime) form. +*/ + +#ifndef __USPOOF_BUILDCONF_H__ +#define __USPOOF_BUILDCONF_H__ + +#if !UCONFIG_NO_NORMALIZATION + +#if !UCONFIG_NO_REGULAR_EXPRESSIONS + +#include "uspoof_impl.h" + +U_NAMESPACE_BEGIN + +// SPUString +// Holds a string that is the result of one of the mappings defined +// by the confusable mapping data (confusables.txt from Unicode.org) +// Instances of SPUString exist during the compilation process only. + +struct SPUString : public UMemory { + UnicodeString *fStr; // The actual string. + int32_t fStrTableIndex; // Index into the final runtime data for this string. + // (or, for length 1, the single string char itself, + // there being no string table entry for it.) + SPUString(UnicodeString *s); + ~SPUString(); +}; + + +// String Pool A utility class for holding the strings that are the result of +// the spoof mappings. These strings will utimately end up in the +// run-time String Table. +// This is sort of like a sorted set of strings, except that ICU's anemic +// built-in collections don't support those, so it is implemented with a +// combination of a uhash and a UVector. + + +class SPUStringPool : public UMemory { + public: + SPUStringPool(UErrorCode &status); + ~SPUStringPool(); + + // Add a string. Return the string from the table. + // If the input parameter string is already in the table, delete the + // input parameter and return the existing string. + SPUString *addString(UnicodeString *src, UErrorCode &status); + + + // Get the n-th string in the collection. + SPUString *getByIndex(int32_t i); + + // Sort the contents; affects the ordering of getByIndex(). + void sort(UErrorCode &status); + + int32_t size(); + + private: + UVector *fVec; // Elements are SPUString * + UHashtable *fHash; // Key: UnicodeString Value: SPUString +}; + + +// class ConfusabledataBuilder +// An instance of this class exists while the confusable data is being built from source. +// It encapsulates the intermediate data structures that are used for building. +// It exports one static function, to do a confusable data build. + +class ConfusabledataBuilder : public UMemory { + private: + SpoofImpl *fSpoofImpl; + UChar *fInput; + UHashtable *fSLTable; + UHashtable *fSATable; + UHashtable *fMLTable; + UHashtable *fMATable; + UnicodeSet *fKeySet; // A set of all keys (UChar32s) that go into the four mapping tables. + + // The binary data is first assembled into the following four collections, then + // copied to its final raw-memory destination. + UVector *fKeyVec; + UVector *fValueVec; + UnicodeString *fStringTable; + UVector *fStringLengthsTable; + + SPUStringPool *stringPool; + URegularExpression *fParseLine; + URegularExpression *fParseHexNum; + int32_t fLineNum; + + ConfusabledataBuilder(SpoofImpl *spImpl, UErrorCode &status); + ~ConfusabledataBuilder(); + void build(const char * confusables, int32_t confusablesLen, UErrorCode &status); + + // Add an entry to the key and value tables being built + // input: data from SLTable, MATable, etc. + // outut: entry added to fKeyVec and fValueVec + void addKeyEntry(UChar32 keyChar, // The key character + UHashtable *table, // The table, one of SATable, MATable, etc. + int32_t tableFlag, // One of USPOOF_SA_TABLE_FLAG, etc. + UErrorCode &status); + + // From an index into fKeyVec & fValueVec + // get a UnicodeString with the corresponding mapping. + UnicodeString getMapping(int32_t index); + + // Populate the final binary output data array with the compiled data. + void outputData(UErrorCode &status); + + public: + static void buildConfusableData(SpoofImpl *spImpl, const char * confusables, + int32_t confusablesLen, int32_t *errorType, UParseError *pe, UErrorCode &status); +}; +U_NAMESPACE_END + +#endif +#endif // !UCONFIG_NO_REGULAR_EXPRESSIONS +#endif // __USPOOF_BUILDCONF_H__ |