diff options
Diffstat (limited to 'libxsd/libxsd/cxx/xml/sax')
-rw-r--r-- | libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.hxx | 78 | ||||
-rw-r--r-- | libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.txx | 76 | ||||
-rw-r--r-- | libxsd/libxsd/cxx/xml/sax/std-input-source.hxx | 151 |
3 files changed, 305 insertions, 0 deletions
diff --git a/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.hxx b/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.hxx new file mode 100644 index 0000000..e730ee3 --- /dev/null +++ b/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.hxx @@ -0,0 +1,78 @@ +// file : libxsd/cxx/xml/sax/bits/error-handler-proxy.hxx +// license : GNU GPL v2 + exceptions; see accompanying LICENSE file + +#ifndef LIBXSD_CXX_XML_SAX_ERROR_HANDLER_PROXY_HXX +#define LIBXSD_CXX_XML_SAX_ERROR_HANDLER_PROXY_HXX + +#include <xercesc/sax/ErrorHandler.hpp> +#include <xercesc/sax/SAXParseException.hpp> + +#include <libxsd/cxx/xml/error-handler.hxx> + +namespace xsd +{ + namespace cxx + { + namespace xml + { + namespace sax + { + namespace bits + { + template <typename C> + class error_handler_proxy: public xercesc::ErrorHandler + { + public: + error_handler_proxy (error_handler<C>& eh) + : failed_ (false), eh_ (&eh), native_eh_ (0) + { + } + + error_handler_proxy (xercesc::ErrorHandler& eh) + : failed_ (false), eh_ (0), native_eh_ (&eh) + { + } + + public: + virtual void + warning (const xercesc::SAXParseException& e); + + virtual void + error (const xercesc::SAXParseException& e); + + virtual void + fatalError (const xercesc::SAXParseException& e); + + public: + bool + failed () const + { + return failed_; + } + + virtual void + resetErrors() + { + failed_ = false; + } + + private: + typedef typename error_handler<C>::severity severity; + + void + handle (const xercesc::SAXParseException&, severity); + + private: + bool failed_; + error_handler<C>* eh_; + xercesc::ErrorHandler* native_eh_; + }; + } + } + } + } +} + +#include <libxsd/cxx/xml/sax/bits/error-handler-proxy.txx> + +#endif // LIBXSD_CXX_XML_SAX_ERROR_HANDLER_PROXY_HXX diff --git a/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.txx b/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.txx new file mode 100644 index 0000000..5809c30 --- /dev/null +++ b/libxsd/libxsd/cxx/xml/sax/bits/error-handler-proxy.txx @@ -0,0 +1,76 @@ +// file : libxsd/cxx/xml/sax/bits/error-handler-proxy.txx +// license : GNU GPL v2 + exceptions; see accompanying LICENSE file + +#include <libxsd/cxx/xml/string.hxx> + +namespace xsd +{ + namespace cxx + { + namespace xml + { + namespace sax + { + namespace bits + { + template <typename C> + void error_handler_proxy<C>:: + warning (const xercesc::SAXParseException& e) + { + if (native_eh_) + native_eh_->warning (e); + else + handle (e, severity::warning); + } + + + template <typename C> + void error_handler_proxy<C>:: + error (const xercesc::SAXParseException& e) + { + failed_ = true; + + if (native_eh_) + native_eh_->error (e); + else + handle (e, severity::error); + } + + + template <typename C> + void error_handler_proxy<C>:: + fatalError (const xercesc::SAXParseException& e) + { + failed_ = true; + + if (native_eh_) + native_eh_->fatalError (e); + else + handle (e, severity::fatal); + } + + + template <typename C> + void error_handler_proxy<C>:: + handle (const xercesc::SAXParseException& e, severity s) + { + //@@ I do not honor return values from the handler. This + // is not too bad at the moment because I set + // all-errors-are-fatal flag on the parser. + // + const XMLCh* id (e.getPublicId ()); + + if (id == 0) + id = e.getSystemId (); + + eh_->handle (transcode<C> (id), + static_cast<unsigned long> (e.getLineNumber ()), + static_cast<unsigned long> (e.getColumnNumber ()), + s, + transcode<C> (e.getMessage ())); + } + } + } + } + } +} diff --git a/libxsd/libxsd/cxx/xml/sax/std-input-source.hxx b/libxsd/libxsd/cxx/xml/sax/std-input-source.hxx new file mode 100644 index 0000000..c51577f --- /dev/null +++ b/libxsd/libxsd/cxx/xml/sax/std-input-source.hxx @@ -0,0 +1,151 @@ +// file : libxsd/cxx/xml/sax/std-input-source.hxx +// license : GNU GPL v2 + exceptions; see accompanying LICENSE file + +#ifndef LIBXSD_CXX_XML_SAX_STD_INPUT_SOURCE_HXX +#define LIBXSD_CXX_XML_SAX_STD_INPUT_SOURCE_HXX + +#include <istream> + +#include <libxsd/cxx/xml/string.hxx> + +#include <xercesc/sax/InputSource.hpp> +#include <xercesc/util/BinInputStream.hpp> + +namespace xsd +{ + namespace cxx + { + namespace xml + { + namespace sax + { + class std_input_stream: public xercesc::BinInputStream + { + public: + std_input_stream (std::istream& is) + : is_ (is) + { + } + + virtual XMLFilePos + curPos () const + { + return static_cast<XMLFilePos> (is_.tellg ()); + } + + virtual XMLSize_t + readBytes (XMLByte* const buf, const XMLSize_t size) + { + // Some implementations don't clear gcount if you + // call read() on a stream that is in the eof state. + // + if (is_.eof ()) + return 0; + + // Unset the exception failbit while we are working + // with the stream. + // + std::ios_base::iostate old (is_.exceptions ()); + is_.exceptions (old & ~std::ios_base::failbit); + + is_.read (reinterpret_cast<char*> (buf), + static_cast<std::streamsize> (size)); + + // Clear the fail bit if it was caused by eof and restore + // the original exception state. If there are any pending + // errors then the exception will be thrown now. + // + if (is_.fail () && is_.eof ()) + is_.clear (is_.rdstate () & ~std::ios_base::failbit); + + is_.exceptions (old); + + // Make sure that if we failed, readBytes won't be called + // again. + // + return !is_.fail () + ? static_cast<XMLSize_t> (is_.gcount ()) + : 0; + } + + virtual const XMLCh* + getContentType () const + { + return 0; + } + + private: + std::istream& is_; + }; + + + class std_input_source: public xercesc::InputSource + { + public: + std_input_source (std::istream& is) + : is_ (&is) + { + } + + template <typename C> + std_input_source (std::istream& is, const C* system_id) + : xercesc::InputSource (xml::string (system_id).c_str ()), + is_ (&is) + { + } + + template <typename C> + std_input_source (std::istream& is, + const std::basic_string<C>& system_id) + : xercesc::InputSource (xml::string (system_id).c_str ()), + is_ (&is) + { + } + + template <typename C> + std_input_source (std::istream& is, + const C* system_id, + const C* public_id) + : xercesc::InputSource (xml::string (system_id).c_str (), + xml::string (public_id).c_str ()), + is_ (&is) + { + } + + template <typename C> + std_input_source (std::istream& is, + const std::basic_string<C>& system_id, + const std::basic_string<C>& public_id) + : xercesc::InputSource (xml::string (system_id).c_str (), + xml::string (public_id).c_str ()), + is_ (&is) + { + } + + struct copy {}; + + // Throws the copy exception if this function is called more + // than once. + // + virtual xercesc::BinInputStream* + makeStream () const + { + if (is_ == 0) + throw copy (); + + std::istream& is (*is_); + + is_ = 0; + + return new std_input_stream (is); + } + + private: + mutable std::istream* is_; + }; + } + } + } +} + +#endif // LIBXSD_CXX_XML_SAX_STD_INPUT_SOURCE_HXX |