| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that a storage area for storing EXI grammars decreases and becomes insufficient as the number of schemas increases. <P>SOLUTION: There is provided an EXI decoder, including: a grammar store storing a first set of type grammars and a second set of type grammars, the first set of type grammars being type grammars generated according to an EXI specification from a first schema of an XML defining at least one data type and the second set of type grammars being type grammars that, among a set of type grammars generated according to the EXI specification from a second schema of XML defining at least one data type, type grammars common to the first set of type grammars are excluded; a stream input unit to receive an EXI stream; and a parser unit decoding the EXI stream, when the EXI stream is compatible with the first schema, based on the first set of type grammars, and, when the EXI stream is compatible with the second schema, based on the second set of type grammars and the common type grammars among the first set of type grammars stored in the grammar store. <P>COPYRIGHT: (C)2013,JPO&INPIT |
