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Diffstat (limited to 'intl/icu/source/i18n/format.cpp')
| -rw-r--r-- | intl/icu/source/i18n/format.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/format.cpp b/intl/icu/source/i18n/format.cpp new file mode 100644 index 000000000..e951b3082 --- /dev/null +++ b/intl/icu/source/i18n/format.cpp @@ -0,0 +1,219 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 1997-2012, International Business Machines Corporation and * +* others. All Rights Reserved. * +******************************************************************************* +* +* File FORMAT.CPP +* +* Modification History: +* +* Date Name Description +* 02/19/97 aliu Converted from java. +* 03/17/97 clhuang Implemented with new APIs. +* 03/27/97 helena Updated to pass the simple test after code review. +* 07/20/98 stephen Added explicit init values for Field/ParsePosition +******************************************************************************** +*/ +// ***************************************************************************** +// This file was generated from the java source file Format.java +// ***************************************************************************** + +#include "utypeinfo.h" // for 'typeid' to work + +#include "unicode/utypes.h" + +#ifndef U_I18N_IMPLEMENTATION +#error U_I18N_IMPLEMENTATION not set - must be set for all ICU source files in i18n/ - see http://userguide.icu-project.org/howtouseicu +#endif + +/* + * Dummy code: + * If all modules in the I18N library are switched off, then there are no + * library exports and MSVC 6 writes a .dll but not a .lib file. + * Unless we export _something_ in that case... + */ +#if UCONFIG_NO_COLLATION && UCONFIG_NO_FORMATTING && UCONFIG_NO_TRANSLITERATION +U_CAPI int32_t U_EXPORT2 +uprv_icuin_lib_dummy(int32_t i) { + return -i; +} +#endif + +/* Format class implementation ---------------------------------------------- */ + +#if !UCONFIG_NO_FORMATTING + +#include "unicode/format.h" +#include "unicode/ures.h" +#include "cstring.h" +#include "locbased.h" + +// ***************************************************************************** +// class Format +// ***************************************************************************** + +U_NAMESPACE_BEGIN + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(FieldPosition) + +FieldPosition::~FieldPosition() {} + +FieldPosition * +FieldPosition::clone() const { + return new FieldPosition(*this); +} + +// ------------------------------------- +// default constructor + +Format::Format() + : UObject() +{ + *validLocale = *actualLocale = 0; +} + +// ------------------------------------- + +Format::~Format() +{ +} + +// ------------------------------------- +// copy constructor + +Format::Format(const Format &that) + : UObject(that) +{ + *this = that; +} + +// ------------------------------------- +// assignment operator + +Format& +Format::operator=(const Format& that) +{ + if (this != &that) { + uprv_strcpy(validLocale, that.validLocale); + uprv_strcpy(actualLocale, that.actualLocale); + } + return *this; +} + +// ------------------------------------- +// Formats the obj and append the result in the buffer, toAppendTo. +// This calls the actual implementation in the concrete subclasses. + +UnicodeString& +Format::format(const Formattable& obj, + UnicodeString& toAppendTo, + UErrorCode& status) const +{ + if (U_FAILURE(status)) return toAppendTo; + + FieldPosition pos(FieldPosition::DONT_CARE); + + return format(obj, toAppendTo, pos, status); +} + +// ------------------------------------- +// Default implementation sets unsupported error; subclasses should +// override. + +UnicodeString& +Format::format(const Formattable& /* unused obj */, + UnicodeString& toAppendTo, + FieldPositionIterator* /* unused posIter */, + UErrorCode& status) const +{ + if (!U_FAILURE(status)) { + status = U_UNSUPPORTED_ERROR; + } + return toAppendTo; +} + +// ------------------------------------- +// Parses the source string and create the corresponding +// result object. Checks the parse position for errors. + +void +Format::parseObject(const UnicodeString& source, + Formattable& result, + UErrorCode& status) const +{ + if (U_FAILURE(status)) return; + + ParsePosition parsePosition(0); + parseObject(source, result, parsePosition); + if (parsePosition.getIndex() == 0) { + status = U_INVALID_FORMAT_ERROR; + } +} + +// ------------------------------------- + +UBool +Format::operator==(const Format& that) const +{ + // Subclasses: Call this method and then add more specific checks. + return typeid(*this) == typeid(that); +} +//--------------------------------------- + +/** + * Simple function for initializing a UParseError from a UnicodeString. + * + * @param pattern The pattern to copy into the parseError + * @param pos The position in pattern where the error occured + * @param parseError The UParseError object to fill in + * @draft ICU 2.4 + */ +void Format::syntaxError(const UnicodeString& pattern, + int32_t pos, + UParseError& parseError) { + parseError.offset = pos; + parseError.line=0; // we are not using line number + + // for pre-context + int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1 + /* subtract 1 so that we have room for null*/)); + int32_t stop = pos; + pattern.extract(start,stop-start,parseError.preContext,0); + //null terminate the buffer + parseError.preContext[stop-start] = 0; + + //for post-context + start = pos+1; + stop = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) : + pattern.length(); + pattern.extract(start,stop-start,parseError.postContext,0); + //null terminate the buffer + parseError.postContext[stop-start]= 0; +} + +Locale +Format::getLocale(ULocDataLocaleType type, UErrorCode& status) const { + U_LOCALE_BASED(locBased, *this); + return locBased.getLocale(type, status); +} + +const char * +Format::getLocaleID(ULocDataLocaleType type, UErrorCode& status) const { + U_LOCALE_BASED(locBased, *this); + return locBased.getLocaleID(type, status); +} + +void +Format::setLocaleIDs(const char* valid, const char* actual) { + U_LOCALE_BASED(locBased, *this); + locBased.setLocaleIDs(valid, actual); +} + +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_FORMATTING */ + +//eof |