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/**
* @file llxuiparser.h
* @brief Utility functions for handling XUI structures in XML
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* 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 LLXUIPARSER_H
#define LLXUIPARSER_H
#include "llinitparam.h"
#include "llfasttimer.h"
#include "llregistry.h"
#include "llpointer.h"
#include <boost/function.hpp>
#include <iosfwd>
#include <stack>
#include <set>
class LLView;
typedef LLPointer<class LLXMLNode> LLXMLNodePtr;
// lookup widget type by name
class LLWidgetTypeRegistry
: public LLRegistrySingleton<std::string, const std::type_info*, LLWidgetTypeRegistry>
{};
// global static instance for registering all widget types
typedef boost::function<LLView* (LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node)> LLWidgetCreatorFunc;
typedef LLRegistry<std::string, LLWidgetCreatorFunc> widget_registry_t;
class LLChildRegistryRegistry
: public LLRegistrySingleton<const std::type_info*, widget_registry_t, LLChildRegistryRegistry>
{};
class LLXSDWriter : public LLInitParam::Parser
{
LOG_CLASS(LLXSDWriter);
public:
void writeXSD(const std::string& name, LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const std::string& xml_namespace);
/*virtual*/ std::string getCurrentElementName() { return LLStringUtil::null; }
LLXSDWriter();
protected:
void writeAttribute(const std::string& type, const Parser::name_stack_t&, S32 min_count, S32 max_count, const std::vector<std::string>* possible_values);
void addAttributeToSchema(LLXMLNodePtr nodep, const std::string& attribute_name, const std::string& type, bool mandatory, const std::vector<std::string>* possible_values);
LLXMLNodePtr mAttributeNode;
LLXMLNodePtr mElementNode;
LLXMLNodePtr mSchemaNode;
typedef std::set<std::string> string_set_t;
typedef std::map<LLXMLNodePtr, string_set_t> attributes_map_t;
attributes_map_t mAttributesWritten;
};
// NOTE: DOES NOT WORK YET
// should support child widgets for XUI
class LLXUIXSDWriter : public LLXSDWriter
{
public:
void writeXSD(const std::string& name, const std::string& path, const LLInitParam::BaseBlock& block);
};
class LLXUIParser : public LLInitParam::Parser, public LLSingleton<LLXUIParser>
{
LOG_CLASS(LLXUIParser);
protected:
LLXUIParser();
friend class LLSingleton<LLXUIParser>;
public:
typedef LLInitParam::Parser::name_stack_t name_stack_t;
/*virtual*/ std::string getCurrentElementName();
/*virtual*/ void parserWarning(const std::string& message);
/*virtual*/ void parserError(const std::string& message);
void readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, const std::string& filename = LLStringUtil::null, bool silent=false);
void writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const LLInitParam::BaseBlock* diff_block = NULL);
private:
typedef std::list<std::pair<std::string, bool> > token_list_t;
bool readXUIImpl(LLXMLNodePtr node, const std::string& scope, LLInitParam::BaseBlock& block);
bool readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block);
//reader helper functions
bool readBoolValue(void* val_ptr);
bool readStringValue(void* val_ptr);
bool readU8Value(void* val_ptr);
bool readS8Value(void* val_ptr);
bool readU16Value(void* val_ptr);
bool readS16Value(void* val_ptr);
bool readU32Value(void* val_ptr);
bool readS32Value(void* val_ptr);
bool readF32Value(void* val_ptr);
bool readF64Value(void* val_ptr);
bool readColor4Value(void* val_ptr);
bool readUIColorValue(void* val_ptr);
bool readUUIDValue(void* val_ptr);
bool readSDValue(void* val_ptr);
//writer helper functions
bool writeBoolValue(const void* val_ptr, const name_stack_t&);
bool writeStringValue(const void* val_ptr, const name_stack_t&);
bool writeU8Value(const void* val_ptr, const name_stack_t&);
bool writeS8Value(const void* val_ptr, const name_stack_t&);
bool writeU16Value(const void* val_ptr, const name_stack_t&);
bool writeS16Value(const void* val_ptr, const name_stack_t&);
bool writeU32Value(const void* val_ptr, const name_stack_t&);
bool writeS32Value(const void* val_ptr, const name_stack_t&);
bool writeF32Value(const void* val_ptr, const name_stack_t&);
bool writeF64Value(const void* val_ptr, const name_stack_t&);
bool writeColor4Value(const void* val_ptr, const name_stack_t&);
bool writeUIColorValue(const void* val_ptr, const name_stack_t&);
bool writeUUIDValue(const void* val_ptr, const name_stack_t&);
bool writeSDValue(const void* val_ptr, const name_stack_t&);
LLXMLNodePtr getNode(const name_stack_t& stack);
private:
Parser::name_stack_t mNameStack;
LLXMLNodePtr mCurReadNode;
// Root of the widget XML sub-tree, for example, "line_editor"
LLXMLNodePtr mWriteRootNode;
typedef std::map<S32, LLXMLNodePtr> out_nodes_t;
out_nodes_t mOutNodes;
S32 mLastWriteGeneration;
LLXMLNodePtr mLastWrittenChild;
S32 mCurReadDepth;
std::string mCurFileName;
};
#endif //LLXUIPARSER_H
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