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
|
/**
* @file llkeywords.h
* @brief Keyword list for LSL
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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 LL_LLKEYWORDS_H
#define LL_LLKEYWORDS_H
#include "llstring.h"
#include "v3color.h"
#include <map>
#include <list>
#include <deque>
#include "llpointer.h"
class LLTextSegment;
typedef LLPointer<LLTextSegment> LLTextSegmentPtr;
class LLKeywordToken
{
public:
enum TOKEN_TYPE { WORD, LINE, TWO_SIDED_DELIMITER, ONE_SIDED_DELIMITER };
LLKeywordToken( TOKEN_TYPE type, const LLColor3& color, const LLWString& token, const LLWString& tool_tip )
:
mType( type ),
mToken( token ),
mColor( color ),
mToolTip( tool_tip )
{
}
S32 getLength() const { return mToken.size(); }
BOOL isHead(const llwchar* s) const;
const LLWString& getToken() const { return mToken; }
const LLColor3& getColor() const { return mColor; }
TOKEN_TYPE getType() const { return mType; }
const LLWString& getToolTip() const { return mToolTip; }
#ifdef _DEBUG
void dump();
#endif
private:
TOKEN_TYPE mType;
LLWString mToken;
LLColor3 mColor;
LLWString mToolTip;
};
class LLKeywords
{
public:
LLKeywords();
~LLKeywords();
BOOL loadFromFile(const std::string& filename);
BOOL isLoaded() const { return mLoaded; }
void findSegments(std::vector<LLTextSegmentPtr> *seg_list, const LLWString& text, const LLColor4 &defaultColor, class LLTextEditor& editor );
// Add the token as described
void addToken(LLKeywordToken::TOKEN_TYPE type,
const std::string& key,
const LLColor3& color,
const std::string& tool_tip = LLStringUtil::null);
// This class is here as a performance optimization.
// The word token map used to be defined as std::map<LLWString, LLKeywordToken*>.
// This worked, but caused a performance bottleneck due to memory allocation and string copies
// because it's not possible to search such a map without creating an LLWString.
// Using this class as the map index instead allows us to search using segments of an existing
// text run without copying them first, which greatly reduces overhead in LLKeywords::findSegments().
class WStringMapIndex
{
public:
// copy constructor
WStringMapIndex(const WStringMapIndex& other);
// constructor from a string (copies the string's data into the new object)
WStringMapIndex(const LLWString& str);
// constructor from pointer and length
// NOTE: does NOT copy data, caller must ensure that the lifetime of the pointer exceeds that of the new object!
WStringMapIndex(const llwchar *start, size_t length);
~WStringMapIndex();
bool operator<(const WStringMapIndex &other) const;
private:
void copyData(const llwchar *start, size_t length);
const llwchar *mData;
size_t mLength;
bool mOwner;
};
typedef std::map<WStringMapIndex, LLKeywordToken*> word_token_map_t;
typedef word_token_map_t::const_iterator keyword_iterator_t;
keyword_iterator_t begin() const { return mWordTokenMap.begin(); }
keyword_iterator_t end() const { return mWordTokenMap.end(); }
#ifdef _DEBUG
void dump();
#endif
private:
LLColor3 readColor(const std::string& s);
void insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSegmentPtr new_segment, S32 text_len, const LLColor4 &defaultColor, class LLTextEditor& editor);
void insertSegments(const LLWString& wtext, std::vector<LLTextSegmentPtr>& seg_list, LLKeywordToken* token, S32 text_len, S32 seg_start, S32 seg_end, const LLColor4 &defaultColor, LLTextEditor& editor);
BOOL mLoaded;
word_token_map_t mWordTokenMap;
typedef std::deque<LLKeywordToken*> token_list_t;
token_list_t mLineTokenList;
token_list_t mDelimiterTokenList;
};
#endif // LL_LLKEYWORDS_H
|
