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
|
#ifndef display_buffer_hh_INCLUDED
#define display_buffer_hh_INCLUDED
#include "face.hh"
#include "hash.hh"
#include "coord.hh"
#include "string.hh"
#include "vector.hh"
#include "hash_map.hh"
namespace Kakoune
{
class Buffer;
struct BufferRange{ BufferCoord begin, end; };
inline bool operator==(const BufferRange& lhs, const BufferRange& rhs)
{
return lhs.begin == rhs.begin and lhs.end == rhs.end;
}
inline
size_t hash_value(const BufferRange& range)
{
return hash_values(range.begin, range.end);
}
struct DisplayAtom : public UseMemoryDomain<MemoryDomain::Display>
{
public:
enum Type { Range, ReplacedRange, Text };
DisplayAtom(const Buffer& buffer, BufferCoord begin, BufferCoord end)
: m_type(Range), m_buffer(&buffer), m_range{begin, end}
{ check_invariant(); }
DisplayAtom(String str, Face face = Face{})
: m_type(Text), m_text(std::move(str)), face(face)
{ check_invariant(); }
StringView content() const;
ColumnCount length() const;
const BufferCoord& begin() const
{
kak_assert(has_buffer_range());
return m_range.begin;
}
const BufferCoord& end() const
{
kak_assert(has_buffer_range());
return m_range.end;
}
void replace(String text)
{
kak_assert(m_type == Range);
m_type = ReplacedRange;
m_text = std::move(text);
}
bool has_buffer_range() const
{
return m_type == Range or m_type == ReplacedRange;
}
const Buffer& buffer() const { kak_assert(m_buffer); return *m_buffer; }
Type type() const { return m_type; }
void trim_begin(ColumnCount count);
void trim_end(ColumnCount count);
void check_invariant() const;
bool operator==(const DisplayAtom& other) const
{
return face == other.face and type() == other.type() and
content() == other.content();
}
public:
Face face;
private:
friend class DisplayLine;
Type m_type;
const Buffer* m_buffer = nullptr;
BufferRange m_range;
String m_text;
};
using AtomList = Vector<DisplayAtom, MemoryDomain::Display>;
class DisplayLine : public UseMemoryDomain<MemoryDomain::Display>
{
public:
using iterator = AtomList::iterator;
using const_iterator = AtomList::const_iterator;
using value_type = AtomList::value_type;
DisplayLine() = default;
DisplayLine(AtomList atoms);
DisplayLine(String str, Face face = Face{})
{ push_back({ std::move(str), face }); }
iterator begin() { return m_atoms.begin(); }
iterator end() { return m_atoms.end(); }
const_iterator begin() const { return m_atoms.begin(); }
const_iterator end() const { return m_atoms.end(); }
const AtomList& atoms() const { return m_atoms; }
ColumnCount length() const;
const BufferRange& range() const { return m_range; }
// Split atom pointed by it at buffer coord pos,
// returns an iterator to the first atom
iterator split(iterator it, BufferCoord pos);
// Split atom pointed by it at its pos column,
// returns an iterator to the first atom
iterator split(iterator it, ColumnCount pos);
iterator insert(iterator it, DisplayAtom atom);
iterator erase(iterator beg, iterator end);
void push_back(DisplayAtom atom);
// remove first_col from the begining of the line, and make sure
// the line is less that col_count character
void trim(ColumnCount first_col, ColumnCount col_count, bool only_buffer);
// Merge together consecutive atoms sharing the same display attributes
void optimize();
private:
void compute_range();
BufferRange m_range = { { INT_MAX, INT_MAX }, { INT_MIN, INT_MIN } };
AtomList m_atoms;
};
DisplayLine parse_display_line(StringView line, const HashMap<String, DisplayLine>& builtins = {});
class DisplayBuffer : public UseMemoryDomain<MemoryDomain::Display>
{
public:
using LineList = Vector<DisplayLine>;
DisplayBuffer() {}
LineList& lines() { return m_lines; }
const LineList& lines() const { return m_lines; }
// returns the smallest BufferRange which contains every DisplayAtoms
const BufferRange& range() const { return m_range; }
void compute_range();
// Optimize all lines, set DisplayLine::optimize
void optimize();
private:
LineList m_lines;
BufferRange m_range;
};
}
#endif // display_buffer_hh_INCLUDED
|
