summaryrefslogtreecommitdiff
path: root/graphics/asymptote/LspCpp/src/lsp/working_files.cpp
blob: 09000210372ff58e5ad228edf457a27cad71d1b4 (plain)
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
#include "LibLsp/lsp/working_files.h"
#include <algorithm>
#include <climits>
#include <numeric>
#include "LibLsp/lsp/utils.h"
#include <memory>
#include "LibLsp/lsp/AbsolutePath.h"
using namespace lsp;
struct WorkingFilesData
{
    std::map<AbsolutePath, std::shared_ptr<WorkingFile> > files;
    std::mutex files_mutex;  // Protects |d_ptr->files|.
};

WorkingFile::WorkingFile(WorkingFiles& _parent, const AbsolutePath& filename,
                         const std::string& buffer_content)
  : filename(filename), directory(filename), parent(_parent), counter(0), buffer_content(buffer_content)
{
       directory = Directory(GetDirName(filename.path));
}

WorkingFile::WorkingFile(WorkingFiles& _parent, const AbsolutePath& filename,
                         std::string&& buffer_content)
  : filename(filename), directory(filename), parent(_parent), counter(0), buffer_content(buffer_content)
{
    directory = Directory(GetDirName(filename.path));
}

WorkingFiles::WorkingFiles():d_ptr(new WorkingFilesData())
{
}

WorkingFiles::~WorkingFiles()
{
    delete d_ptr;

}



void WorkingFiles::CloseFilesInDirectory(const std::vector<Directory>& directories)
{
    std::lock_guard<std::mutex> lock(d_ptr->files_mutex);
    std::vector<AbsolutePath> files_to_be_delete;

    for(auto& it : d_ptr->files)
    {
        for (auto& dir : directories)
        {
            if (it.second->directory == dir) {
                files_to_be_delete.emplace_back(it.first);
            }
        }
    }

    for(auto& it : files_to_be_delete)
    {
        d_ptr->files.erase(it);
    }
}




std::shared_ptr<WorkingFile> WorkingFiles::GetFileByFilename(const AbsolutePath& filename) {
  std::lock_guard<std::mutex> lock(d_ptr->files_mutex);
  return GetFileByFilenameNoLock(filename);
}

std::shared_ptr<WorkingFile> WorkingFiles::GetFileByFilenameNoLock(
    const AbsolutePath& filename) {
    const auto findIt = d_ptr->files.find(filename);
    if ( findIt != d_ptr->files.end())
    {
        return findIt->second;
    }
  return nullptr;
}



std::shared_ptr<WorkingFile>  WorkingFiles::OnOpen( lsTextDocumentItem& open) {
  std::lock_guard<std::mutex> lock(d_ptr->files_mutex);

  AbsolutePath filename = open.uri.GetAbsolutePath();

  // The file may already be open.
  if (auto file = GetFileByFilenameNoLock(filename)) {
    file->version = open.version;
    file->buffer_content.swap(open.text);

    return file;
  }

  const auto& it =  d_ptr->files.insert({ filename,std::make_shared<WorkingFile>(*this,filename, std::move(open.text)) });
  return  it.first->second;
}


std::shared_ptr<WorkingFile>  WorkingFiles::OnChange(const lsTextDocumentDidChangeParams& change) {
  std::lock_guard<std::mutex> lock(d_ptr->files_mutex);

  AbsolutePath filename = change.textDocument.uri.GetAbsolutePath();
  auto file = GetFileByFilenameNoLock(filename);
  if (!file) {
    return {};
  }

  if (change.textDocument.version)
    file->version = *change.textDocument.version;
  file->counter.fetch_add(1, std::memory_order_relaxed);
  for (const lsTextDocumentContentChangeEvent& diff : change.contentChanges) {
    // Per the spec replace everything if the rangeLength and range are not set.
    // See https://github.com/Microsoft/language-server-protocol/issues/9.
    if (!diff.range) {
      file->buffer_content = diff.text;

    } else {
      int start_offset =
          GetOffsetForPosition(diff.range->start, file->buffer_content);
      // Ignore TextDocumentContentChangeEvent.rangeLength which causes trouble
      // when UTF-16 surrogate pairs are used.
      int end_offset =
          GetOffsetForPosition(diff.range->end, file->buffer_content);
      file->buffer_content.replace(file->buffer_content.begin() + start_offset,
          file->buffer_content.begin() + end_offset,
                                   diff.text);

    }
  }
  return  file;
}

bool WorkingFiles::OnClose(const lsTextDocumentIdentifier& close) {
  std::lock_guard<std::mutex> lock(d_ptr->files_mutex);

  AbsolutePath filename = close.uri.GetAbsolutePath();
  const auto findIt = d_ptr->files.find(filename);
  if( findIt != d_ptr->files.end())
  {
      d_ptr->files.erase(findIt);
	  return true;
  }
  return false;
}

std::shared_ptr<WorkingFile> WorkingFiles::OnSave(const lsTextDocumentIdentifier& _save)
{
    std::lock_guard<std::mutex> lock(d_ptr->files_mutex);

    AbsolutePath filename = _save.uri.GetAbsolutePath();
    const auto findIt = d_ptr->files.find(filename);
    if (findIt != d_ptr->files.end())
    {
        std::shared_ptr<WorkingFile>& file = findIt->second;
        lsp::WriteToFile(file->filename, file->GetContentNoLock());
        return findIt->second;
    }
    return  {};

}

bool WorkingFiles::GetFileBufferContent(std::shared_ptr<WorkingFile>&file, std::string& out)
{
    std::lock_guard<std::mutex> lock(d_ptr->files_mutex);
    if (file)
    {
        out = file->buffer_content;
        return  true;
    }
    return  false;
}
bool WorkingFiles::GetFileBufferContent(std::shared_ptr<WorkingFile>& file, std::wstring& out)
{
    std::lock_guard<std::mutex> lock(d_ptr->files_mutex);
    if (file)
    {
        out = lsp::s2ws(file->buffer_content);
        return  true;
    }
    return  false;
}
void  WorkingFiles::Clear() {
    std::lock_guard<std::mutex> lock(d_ptr->files_mutex);
    d_ptr->files.clear();
}