ISO/IEC 14651-2007 信息技术.国际字符串的排序和比较.比较字符串和描述通用可裁剪模板排序的方法

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【英文标准名称】:Informationtechnology-Internationalstringorderingandcomparison-Methodforcomparingcharacterstringsanddescriptionofthecommontemplatetailorableordering
【原文标准名称】:信息技术.国际字符串的排序和比较.比较字符串和描述通用可裁剪模板排序的方法
【标准号】:ISO/IEC14651-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC2
【标准类型】:()
【标准水平】:()
【中文主题词】:字符排列;字符集;字符串;比较;数据处理;数据传送;定义;信息交流;信息交换;信息技术;按大小分级;远程通信;文字模板
【英文主题词】:Characterarrangements;Charactersets;Characterstrings;Comparison;Dataprocessing;Datatransfer;Definition;Definitions;Informationexchange;Informationinterchange;Informationtechnology;Sizeclassification;Telecommunication;Templatesforlettering
【摘要】:ThisInternationalStandarddefinesthefollowings.?Areferencecomparisonmethod.Thismethodisapplicabletotwocharacterstringstodeterminetheircollatingorderinasortedlist.ThemethodcanbeappliedtostringscontainingcharactersfromthefullrepertoireofISO/IEC10646.Thismethodisalsoapplicabletosubsetsofthatrepertoire,suchasthoseofthedifferentISO/IEC8-bitstandardcharactersets,oranyothercharacterset,standardisedornot,toproduceorderingresultsvalid(aftertailoring)foragivensetoflanguagesforeachscript.ThismethodusescollationtablesderivedeitherfromtheCommonTemplateTabledefinedinthisInternationalStandardorfromoneofitstailorings.Thismethodprovidesareferenceformat.TheformatisdescribedusingtheBackus-NaurForm(BNF).ThisformatisusedtodescribetheCommonTemplateTable.TheformatisusednormativelywithinthisInternationalStandard.?ACommonTemplateTable.AgiventailoringoftheCommonTemplateTableisusedbythereferencecomparisonmethod.TheCommonTemplateTabledescribesanorderforallcharactersencodedinISO/IEC10646:2003uptoAmendment2,pluscharactersDEVANAGARILETTERGGA,DEVANAGARILETTERJJA,DEVANAGARILETTERDDDAandDEVANAGARILETTERBBA(charactersU097B,U097C,U097EandU097F,respectively).Itallowsforaspecificationofafullydeterministicordering.Thistableenablesthespecificationofastringorderingadaptedtolocalorderingrules,withoutrequiringanimplementertohaveknowledgeofallthedifferentscriptsalreadyencodedintheUCS.NOTE1ThisCommonTemplateTableistobemodifiedtosuittheneedsofalocalenvironment.Themainworldwidebenefitisthat,forotherscripts,oftennomodificationisrequiredandtheorderwillremainasconsistentaspossibleandpredictablefromaninternationalpointofview.NOTE2ThecharacterrepertoireusedinthisInternationalStandardisequivalenttothatoftheUnicodeStandardversion5.0.?Areferencename.ThereferencenamereferstothisparticularversionoftheCommonTemplateTable,foruseasareferencewhentailoring.Inparticular,thisnameimpliesthatthetableislinkedtoaparticularstageofdevelopmentoftheISO/IEC10646Universalmultiple-octetcodedcharacterset.?Requirementsforadeclarationofthedifferences(delta)betweenthecollationtableandtheCommonTemplateTable.ThisInternationalStandarddoesnotmandatethefollowing.?Aspecificcomparisonmethod;anyequivalentmethodgivingthesameresultsisacceptable.?Aspecificformatfordescribingortailoringtablesinagivenimplementation.?Specificsymbolstobeusedbyimplementations,exceptforthenameoftheCommonTemplateTable.?Anyspecificuserinterfaceforchoosingoptions.?Anyspecificinternalformatforintermediatekeysusedwhencomparing,norforthetableused.Theuseofnumerickeysisnotmandatedeither.?Acontext-dependentordering.?Anyparticularpreparationofcharacterstringspriortocomparison.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:52P.;A4
【正文语种】:英语