diff options
author | Jörg Frings-Fürst <jff@merkur> | 2014-05-18 16:08:14 +0200 |
---|---|---|
committer | Jörg Frings-Fürst <jff@merkur> | 2014-05-18 16:08:14 +0200 |
commit | a15cf65c44d5c224169c32ef5495b68c758134b7 (patch) | |
tree | 3419f58fc8e1b315ba8171910ee044c5d467c162 /xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx |
Imported Upstream version 3.3.0.2upstream/3.3.0.2
Diffstat (limited to 'xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx')
-rw-r--r-- | xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx b/xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx new file mode 100644 index 0000000..a1b73c6 --- /dev/null +++ b/xsd/examples/cxx/tree/embedded/grammar-input-stream.hxx @@ -0,0 +1,53 @@ +// file : examples/cxx/tree/embedded/grammar-input-stream.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : not copyrighted - public domain + +#ifndef GRAMMAR_INPUT_STREAM_HXX +#define GRAMMAR_INPUT_STREAM_HXX + +#include <cstddef> +#include <xercesc/util/BinInputStream.hpp> + +// Memory buffer input stream with the special-purpose schema +// grammar decompression. +// +class grammar_input_stream: public xercesc::BinInputStream +{ +public : + grammar_input_stream (const XMLByte* data, std::size_t size); + +#if _XERCES_VERSION >= 30000 + + virtual XMLFilePos + curPos () const; + + virtual XMLSize_t + readBytes (XMLByte* const buf, const XMLSize_t size); + + virtual const XMLCh* + getContentType () const; + +#else + + virtual unsigned int + curPos () const; + + virtual unsigned int + readBytes (XMLByte* const buf, const unsigned int size); + +#endif + +private : + const XMLByte* data_; + std::size_t size_; + std::size_t pos_; + std::size_t vpos_; + + // Compression data. + // + size_t cseq_; // Number of bytes left in a compression sequence. + bool alt_; // Alternating or sequential sequence. + bool add_zero_; // Add a zero on the next read. +}; + +#endif // GRAMMAR_INPUT_STREAM_HXX |