summaryrefslogtreecommitdiff
path: root/indra/llxuixml/llxuiparser.h
blob: 6f000f24226f26f086bd162fbd9408bfd9945583 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/** 
 * @file llxuiparser.h
 * @brief Utility functions for handling XUI structures in XML
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 * 
 * Copyright (c) 2003-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LLXUIPARSER_H
#define LLXUIPARSER_H

#include "llinitparam.h"
#include "llxmlnode.h"
#include "llfasttimer.h"
#include "llregistry.h"

#include <boost/function.hpp>
#include <iosfwd>
#include <stack>
#include <set>



class LLView;



// 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, 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;
};


#endif //LLXUIPARSER_H