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
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*-----------------------------------------------------------------------------------------------
The MIT License (MIT)
Copyright (c) 2014-2015 Kim Kulling
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.
-----------------------------------------------------------------------------------------------*/
#pragma once
#include <openddlparser/OpenDDLCommon.h>
#include <openddlparser/DDLNode.h>
#include <openddlparser/OpenDDLParserUtils.h>
#include <openddlparser/Value.h>
#include <vector>
#include <string>
BEGIN_ODDLPARSER_NS
class DDLNode;
class Value;
struct Identifier;
struct Reference;
struct Property;
/// @brief Utility function to search for the next token or the end of the buffer.
/// @param in [in] The start position in the buffer.
/// @param end [in] The end position in the buffer.
/// @return Pointer showing to the next token or the end of the buffer.
/// @detail Will not increase buffer when already a valid buffer was found.
template<class T>
inline
T *lookForNextToken( T *in, T *end ) {
while( ( isSpace( *in ) || isNewLine( *in ) || ',' == *in ) && ( in != end ) ) {
in++;
}
return in;
}
/// @brief Utility function to go for the next token or the end of the buffer.
/// @param in [in] The start position in the buffer.
/// @param end [in] The end position in the buffer.
/// @return Pointer showing to the next token or the end of the buffer.
/// @detail Will increase buffer by a minimum of one.
template<class T>
inline
T *getNextToken( T *in, T *end ) {
T *tmp( in );
in = lookForNextToken( in, end );
if( tmp == in ) {
in++;
}
return in;
}
/// @brief Defines the log severity.
enum LogSeverity {
ddl_debug_msg = 0, ///< Debug message, for debugging
ddl_info_msg, ///< Info messages, normal mode
ddl_warn_msg, ///< Parser warnings
ddl_error_msg ///< Parser errors
};
DLL_ODDLPARSER_EXPORT const char *getTypeToken( Value::ValueType type );
//-------------------------------------------------------------------------------------------------
/// @class OpenDDLParser
/// @ingroup OpenDDLParser
///
/// @brief This is the main API for the OpenDDL-parser.
///
/// Use instances of this class to manage the parsing and handling of your parser contexts.
//-------------------------------------------------------------------------------------------------
class DLL_ODDLPARSER_EXPORT OpenDDLParser {
public:
/// @brief The log callback function pointer.
typedef void( *logCallback )( LogSeverity severity, const std::string &msg );
public:
/// @brief The default class constructor.
OpenDDLParser();
/// @brief The class constructor.
/// @param buffer [in] The buffer
/// @param len [in] Size of the buffer
OpenDDLParser( const char *buffer, size_t len );
/// @brief The class destructor.
~OpenDDLParser();
/// @brief Setter for an own log callback function.
/// @param callback [in] The own callback.
void setLogCallback( logCallback callback );
/// @brief Getter for the log callback.
/// @return The current log callback.
logCallback getLogCallback() const;
/// @brief Assigns a new buffer to parse.
/// @param buffer [in] The buffer
/// @param len [in] Size of the buffer
void setBuffer( const char *buffer, size_t len );
/// @brief Assigns a new buffer to parse.
/// @param buffer [in] The buffer as a std::vector.
void setBuffer( const std::vector<char> &buffer );
/// @brief Returns the buffer pointer.
/// @return The buffer pointer.
const char *getBuffer() const;
/// @brief Returns the size of the buffer.
/// @return The buffer size.
size_t getBufferSize() const;
/// @brief Clears all parser data, including buffer and active context.
void clear();
/// @brief Starts the parsing of the OpenDDL-file.
/// @return True in case of success, false in case of an error.
/// @remark In case of errors check log.
bool parse();
bool exportContext( Context *ctx, const std::string &filename );
/// @brief Returns the root node.
/// @return The root node.
DDLNode *getRoot() const;
/// @brief Returns the parser context, only available in case of a succeeded parsing.
/// @return Pointer to the active context or ddl_nullptr.
Context *getContext() const;
public: // parser helpers
char *parseNextNode( char *current, char *end );
char *parseHeader( char *in, char *end );
char *parseStructure( char *in, char *end );
char *parseStructureBody( char *in, char *end, bool &error );
void pushNode( DDLNode *node );
DDLNode *popNode();
DDLNode *top();
static void normalizeBuffer( std::vector<char> &buffer );
static char *parseName( char *in, char *end, Name **name );
static char *parseIdentifier( char *in, char *end, Text **id );
static char *parsePrimitiveDataType( char *in, char *end, Value::ValueType &type, size_t &len );
static char *parseReference( char *in, char *end, std::vector<Name*> &names );
static char *parseBooleanLiteral( char *in, char *end, Value **boolean );
static char *parseIntegerLiteral( char *in, char *end, Value **integer, Value::ValueType integerType = Value::ddl_int32 );
static char *parseFloatingLiteral( char *in, char *end, Value **floating, Value::ValueType floatType= Value::ddl_float );
static char *parseStringLiteral( char *in, char *end, Value **stringData );
static char *parseHexaLiteral( char *in, char *end, Value **data );
static char *parseProperty( char *in, char *end, Property **prop );
static char *parseDataList( char *in, char *end, Value::ValueType type, Value **data, size_t &numValues, Reference **refs, size_t &numRefs );
static char *parseDataArrayList( char *in, char *end, Value::ValueType type, DataArrayList **dataList );
static const char *getVersion();
private:
OpenDDLParser( const OpenDDLParser & ) ddl_no_copy;
OpenDDLParser &operator = ( const OpenDDLParser & ) ddl_no_copy;
private:
logCallback m_logCallback;
std::vector<char> m_buffer;
typedef std::vector<DDLNode*> DDLNodeStack;
DDLNodeStack m_stack;
Context *m_context;
};
END_ODDLPARSER_NS
|
