165 lines
4.7 KiB
C++
165 lines
4.7 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1997-2003, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* File FORMAT.CPP
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*
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* Modification History:
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*
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* Date Name Description
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* 02/19/97 aliu Converted from java.
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* 03/17/97 clhuang Implemented with new APIs.
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* 03/27/97 helena Updated to pass the simple test after code review.
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* 07/20/98 stephen Added explicit init values for Field/ParsePosition
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********************************************************************************
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*/
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// *****************************************************************************
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// This file was generated from the java source file Format.java
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// *****************************************************************************
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#include "unicode/utypes.h"
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/*
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* Dummy code:
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* If all modules in the I18N library are switched off, then there are no
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* library exports and MSVC 6 writes a .dll but not a .lib file.
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* Unless we export _something_ in that case...
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*/
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#if UCONFIG_NO_COLLATION && UCONFIG_NO_FORMATTING && UCONFIG_NO_TRANSLITERATION
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U_CAPI int32_t U_EXPORT2
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uprv_icuin_lib_dummy(int32_t i) {
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return -i;
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}
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#endif
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/* Format class implementation ---------------------------------------------- */
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/format.h"
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// *****************************************************************************
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// class Format
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// *****************************************************************************
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U_NAMESPACE_BEGIN
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(FieldPosition)
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FieldPosition::~FieldPosition() {}
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// -------------------------------------
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// default constructor
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Format::Format()
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: UObject()
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{
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}
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// -------------------------------------
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Format::~Format()
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{
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}
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// -------------------------------------
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// copy constructor
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Format::Format(const Format &that)
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: UObject(that)
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{
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}
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// -------------------------------------
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// assignment operator
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Format&
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Format::operator=(const Format& /*that*/)
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{
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return *this;
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}
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// -------------------------------------
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// Formats the obj and append the result in the buffer, toAppendTo.
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// This calls the actual implementation in the concrete subclasses.
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UnicodeString&
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Format::format(const Formattable& obj,
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UnicodeString& toAppendTo,
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UErrorCode& status) const
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{
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if (U_FAILURE(status)) return toAppendTo;
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// {sfb} should really be FieldPosition::DONT_CARE, not 0
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// leave at 0 for now, to keep in sync with Java
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FieldPosition pos(0);
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return format(obj, toAppendTo, pos, status);
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}
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// -------------------------------------
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// Parses the source string and create the corresponding
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// result object. Checks the parse position for errors.
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void
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Format::parseObject(const UnicodeString& source,
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Formattable& result,
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UErrorCode& status) const
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{
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if (U_FAILURE(status)) return;
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ParsePosition parsePosition(0);
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parseObject(source, result, parsePosition);
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if (parsePosition.getIndex() == 0) {
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status = U_INVALID_FORMAT_ERROR;
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}
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}
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// -------------------------------------
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UBool
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Format::operator==(const Format& /*that*/) const
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{
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// Add this implementation to make linker happy.
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return TRUE;
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}
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//---------------------------------------
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/**
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* Simple function for initializing a UParseError from a UnicodeString.
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*
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* @param pattern The pattern to copy into the parseError
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* @param pos The position in pattern where the error occured
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* @param parseError The UParseError object to fill in
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* @draft ICU 2.4
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*/
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void Format::syntaxError(const UnicodeString& pattern,
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int32_t pos,
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UParseError& parseError) {
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parseError.offset = pos;
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parseError.line=0; // we are not using line number
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// for pre-context
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int32_t start = (pos <=U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1
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/* subtract 1 so that we have room for null*/));
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int32_t stop = pos;
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pattern.extract(start,stop-start,parseError.preContext,0);
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//null terminate the buffer
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parseError.preContext[stop-start] = 0;
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//for post-context
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start = pos+1;
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stop = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) :
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pattern.length();
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pattern.extract(start,stop-start,parseError.postContext,0);
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//null terminate the buffer
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parseError.postContext[stop-start]= 0;
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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//eof
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