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
|
#include "bu/tafreader.h"
#include "bu/exceptions.h"
#include "bu/fstring.h"
using namespace Bu;
Bu::TafReader::TafReader( Bu::Stream &sIn ) :
c( 0 ),
sIn( sIn )
{
}
Bu::TafReader::~TafReader()
{
}
Bu::TafNode *Bu::TafReader::getNode()
{
if( c == 0 ) next();
TafNode *pNode = new TafNode();
ws();
if( c != '{' )
throw TafException("Expected '{'");
next();
ws();
FString sName = readStr();
pNode->setName( sName );
next();
//printf("Node[%s]:\n", sName.getStr() );
nodeContent( pNode );
if( c != '}' )
throw TafException("Expected '}'");
next();
return pNode;
}
void Bu::TafReader::nodeContent( Bu::TafNode *pNode )
{
for(;;)
{
ws();
if( c == '{' )
pNode->addChild( getNode() );
else if( c == '}' )
return;
else
nodeProperty( pNode );
}
}
void Bu::TafReader::nodeProperty( Bu::TafNode *pNode )
{
FString sName = readStr();
ws();
if( c != '=' )
{
//printf(" %s (true)\n", sName.getStr() );
pNode->setProperty( sName, "" );
return;
}
next();
FString sValue = readStr();
pNode->setProperty( sName, sValue );
//printf(" %s = %s\n", sName.getStr(), sValue.getStr() );
}
Bu::FString Bu::TafReader::readStr()
{
ws();
FString s;
if( c == '"' )
{
next();
for(;;)
{
if( c == '\\' )
{
next();
if( c == 'x' )
{
char code[3]={'\0','\0','\0'};
next();
code[0] = c;
next();
code[1] = c;
c = (unsigned char)strtol( code, NULL, 16 );
}
else if( c == '"' )
c = '"';
else
throw TafException("Invalid escape sequence.");
}
else if( c == '"' )
break;
s += c;
next();
}
next();
}
else
{
for(;;)
{
if( isws() || c == '}' || c == '{' || c == ':' || c == '=' )
break;
s += c;
next();
}
}
return s;
}
void Bu::TafReader::ws()
{
for(;;)
{
if( !isws() )
return;
next();
}
}
bool Bu::TafReader::isws()
{
return (c == ' ' || c == '\t' || c == '\n' || c == '\r');
}
void Bu::TafReader::next()
{
sIn.read( &c, 1 );
}
|
