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
|
/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "precompiled.h"
#include "../../Include/Rocket/Core/PropertyDefinition.h"
#include "../../Include/Rocket/Core/Log.h"
#include "../../Include/Rocket/Core/StyleSheetSpecification.h"
namespace Rocket {
namespace Core {
PropertyDefinition::PropertyDefinition(const String& _default_value, bool _inherited, bool _forces_layout) : default_value(_default_value, Property::UNKNOWN)
{
inherited = _inherited;
forces_layout = _forces_layout;
}
PropertyDefinition::~PropertyDefinition()
{
}
// Registers a parser to parse values for this definition.
PropertyDefinition& PropertyDefinition::AddParser(const String& parser_name, const String& parser_parameters)
{
ParserState new_parser;
// Fetch the parser.
new_parser.parser = StyleSheetSpecification::GetParser(parser_name);
if (new_parser.parser == NULL)
{
Log::Message(Log::LT_ERROR, "Property was registered with invalid parser '%s'.", parser_name.CString());
return *this;
}
// Split the parameter list, and set up the map.
if (!parser_parameters.Empty())
{
StringList parameter_list;
StringUtilities::ExpandString(parameter_list, parser_parameters);
for (size_t i = 0; i < parameter_list.size(); i++)
new_parser.parameters[parameter_list[i]] = (int) i;
}
parsers.push_back(new_parser);
// If the default value has not been parsed successfully yet, run it through the new parser.
if (default_value.unit == Property::UNKNOWN)
{
String unparsed_value = default_value.value.Get< String >();
if (!new_parser.parser->ParseValue(default_value, unparsed_value, new_parser.parameters))
{
default_value.value.Set(unparsed_value);
default_value.unit = Property::UNKNOWN;
}
}
return *this;
}
// Called when parsing a RCSS declaration.
bool PropertyDefinition::ParseValue(Property& property, const String& value) const
{
for (size_t i = 0; i < parsers.size(); i++)
{
if (parsers[i].parser->ParseValue(property, value, parsers[i].parameters))
{
property.definition = this;
property.parser_index = (int) i;
return true;
}
}
property.unit = Property::UNKNOWN;
return false;
}
// Called to convert a parsed property back into a value.
bool PropertyDefinition::GetValue(String& value, const Property& property) const
{
value = property.value.Get< String >();
switch (property.unit)
{
case Property::KEYWORD:
{
if (property.parser_index < 0 || property.parser_index >= (int) parsers.size())
return false;
int keyword = property.value.Get< int >();
for (ParameterMap::const_iterator i = parsers[property.parser_index].parameters.begin(); i != parsers[property.parser_index].parameters.end(); ++i)
{
if ((*i).second == keyword)
{
value = (*i).first;
break;
}
}
return false;
}
break;
case Property::COLOUR:
{
Colourb colour = property.value.Get< Colourb >();
value.FormatString(32, "rgb(%d,%d,%d,%d)", colour.red, colour.green, colour.blue, colour.alpha);
}
break;
case Property::PX: value.Append("px"); break;
case Property::EM: value.Append("em"); break;
case Property::REM: value.Append("rem"); break;
case Property::PERCENT: value.Append("%"); break;
case Property::INCH: value.Append("in"); break;
case Property::CM: value.Append("cm"); break;
case Property::MM: value.Append("mm"); break;
case Property::PT: value.Append("pt"); break;
case Property::PC: value.Append("pc"); break;
default: break;
}
return true;
}
// Returns true if this property is inherited from a parent to child elements.
bool PropertyDefinition::IsInherited() const
{
return inherited;
}
// Returns true if this property forces a re-layout when changed.
bool PropertyDefinition::IsLayoutForced() const
{
return forces_layout;
}
// Returns the default for this property.
const Property* PropertyDefinition::GetDefaultValue() const
{
return &default_value;
}
}
}
|
