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