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-/**
- * @file llfiltersd2xmlrpc.h
- * @author Phoenix
- * @date 2005-04-26
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLFILTERSD2XMLRPC_H
-#define LL_LLFILTERSD2XMLRPC_H
-
-/**
- * These classes implement the necessary pipes for translating between
- * xmlrpc and llsd rpc. The llsd rpcs mechanism was developed as an
- * extensible and easy to parse serialization grammer which maintains
- * a time efficient in-memory representation.
- */
-
-#include <iosfwd>
-#include "lliopipe.h"
-
-/**
- * @class LLFilterSD2XMLRPC
- * @brief Filter from serialized LLSD to an XMLRPC method call
- *
- * This clas provides common functionality for the LLFilterSD2XMLRPRC
- * request and response classes.
- */
-class LLFilterSD2XMLRPC : public LLIOPipe
-{
-public:
- LLFilterSD2XMLRPC();
- virtual ~LLFilterSD2XMLRPC();
-
-protected:
- /**
- * @brief helper method
- */
- void streamOut(std::ostream& ostr, const LLSD& sd);
-};
-
-/**
- * @class LLFilterSD2XMLRPCResponse
- * @brief Filter from serialized LLSD to an XMLRPC response
- *
- * This class filters a serialized LLSD object to an xmlrpc
- * repsonse. Since resonses are limited to a single param, the xmlrprc
- * response only serializes it as one object.
- * This class correctly handles normal llsd responses as well as llsd
- * rpc faults.
- *
- * For example, if given:
- * <code>{'response':[ i200, r3.4, {"foo":"bar"} ]}</code>
- * Would generate:
- * <code>
- * <?xml version="1.0"?>
- * <methodResponse><params><param><array><data>
- * <value><int>200</int></value>
- * <value><double>3.4</double></value>
- * <value><struct><member>
- * <name>foo</name><value><string>bar</string></value></member>
- * </struct></value>
- * </data></array></param></params></methodResponse>
- * </code>
- */
-class LLFilterSD2XMLRPCResponse : public LLFilterSD2XMLRPC
-{
-public:
- // constructor
- LLFilterSD2XMLRPCResponse();
-
- // destructor
- virtual ~LLFilterSD2XMLRPCResponse();
-
- /* @name LLIOPipe virtual implementations
- */
- //@{
-protected:
- /**
- * @brief Process the data in buffer.
- */
- virtual EStatus process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump);
- //@}
-};
-
-/**
- * @class LLFilterSD2XMLRPCRequest
- * @brief Filter from serialized LLSD to an XMLRPC method call
- *
- * This class will accept any kind of serialized LLSD object, but you
- * probably want to have an array on the outer boundary since this
- * object will interpret each element in the top level LLSD as a
- * parameter into the xmlrpc spec.
- *
- * For example, you would represent 3 params as:
- * <code>
- * {'method'='foo', 'parameter':[i200, r3.4, {"foo":"bar"}]}
- * </code>
- * To generate:
- * <code>
- * <?xml version="1.0"?>
- * <methodCall><params>
- * <param><value><int>200</int></value></param>
- * <param><value><double>3.4</double></value></param>
- * <param><value><struct><member>
- * <name>foo</name><value><string>bar</string></value></member>
- * </struct></value></param>
- * </params></methodCall>
- *
- * This class will accept 2 different kinds of encodings. The first
- * just an array of params as long as you specify the method in the
- * constructor. It will also accept a structured data in the form:
- * {'method':'$method_name', 'parameter':[...] } In the latter form, the
- * encoded 'method' will be used regardless of the construction of the
- * object, and the 'parameter' will be used as parameter to the call.
- */
-class LLFilterSD2XMLRPCRequest : public LLFilterSD2XMLRPC
-{
-public:
- // constructor
- LLFilterSD2XMLRPCRequest();
-
- // constructor
- LLFilterSD2XMLRPCRequest(const char* method);
-
- // destructor
- virtual ~LLFilterSD2XMLRPCRequest();
-
- /* @name LLIOPipe virtual implementations
- */
- //@{
-protected:
- /**
- * @brief Process the data in buffer.
- */
- virtual EStatus process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump);
- //@}
-
-protected:
- // The method name of this request.
- std::string mMethod;
-};
-
-/**
- * @class LLFilterXMLRPCResponse2LLSD
- * @brief Filter from serialized XMLRPC method response to LLSD
- *
- * The xmlrpc spec states that responses can only have one element
- * which can be of any supported type.
- * This takes in xml of the form:
- * <code>
- * <?xml version=\"1.0\"?><methodResponse><params><param>
- * <value><string>ok</string></value></param></params></methodResponse>
- * </code>
- * And processes it into:
- * <code>'ok'</code>
- *
- */
-class LLFilterXMLRPCResponse2LLSD : public LLIOPipe
-{
-public:
- // constructor
- LLFilterXMLRPCResponse2LLSD();
-
- // destructor
- virtual ~LLFilterXMLRPCResponse2LLSD();
-
- /* @name LLIOPipe virtual implementations
- */
- //@{
-protected:
- /**
- * @brief Process the data in buffer.
- */
- virtual EStatus process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump);
- //@}
-
-protected:
-};
-
-/**
- * @class LLFilterXMLRPCRequest2LLSD
- * @brief Filter from serialized XMLRPC method call to LLSD
- *
- * This takes in xml of the form:
- * <code>
- * <?xml version=\"1.0\"?><methodCall>
- * <methodName>repeat</methodName>
- * <params>
- * <param><value><i4>4</i4></value></param>
- * <param><value><string>ok</string></value></param>
- * </params></methodCall>
- * </code>
- * And processes it into:
- * <code>{ 'method':'repeat', 'params':[i4, 'ok'] }</code>
- */
-class LLFilterXMLRPCRequest2LLSD : public LLIOPipe
-{
-public:
- // constructor
- LLFilterXMLRPCRequest2LLSD();
-
- // destructor
- virtual ~LLFilterXMLRPCRequest2LLSD();
-
- /* @name LLIOPipe virtual implementations
- */
- //@{
-protected:
- /**
- * @brief Process the data in buffer.
- */
- virtual EStatus process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump);
- //@}
-
-protected:
-};
-
-/**
- * @brief This function takes string, and escapes it appropritately
- * for inclusion as xml data.
- */
-std::string xml_escape_string(const std::string& in);
-
-/**
- * @brief Externally available constants
- */
-extern const char LLSDRPC_REQUEST_HEADER_1[];
-extern const char LLSDRPC_REQUEST_HEADER_2[];
-extern const char LLSDRPC_REQUEST_FOOTER[];
-
-#endif // LL_LLFILTERSD2XMLRPC_H
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