Class: Mbeditor::SearchReplaceService

Inherits:
Object
  • Object
show all
Defined in:
app/services/mbeditor/search_replace_service.rb

Constant Summary collapse

RG_AVAILABLE = 
system("which rg > /dev/null 2>&1")
MAX_REPLACE_FILES = 
500
PER_FILE_TIMEOUT = 
5

Class Method Summary collapse

Class Method Details

.count(workspace_root, query, use_regex:, match_case:, whole_word:, excluded_paths:) ⇒ Object 



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
 
# File 'app/services/mbeditor/search_replace_service.rb', line 78

def count(workspace_root, query, use_regex:, match_case:, whole_word:, excluded_paths:)
  total = 0
  if RG_AVAILABLE
    args = ["rg", "--count", "--no-ignore"]
    args << "-F" unless use_regex
    args << "--ignore-case" unless match_case
    args << "--word-regexp" if whole_word
    Array(excluded_paths).map(&:to_s).reject(&:empty?).each { |p| args << "--glob=!#{p}" }
    args += ["--", query, workspace_root.to_s]
    IO.popen(args, err: File::NULL) do |io|
      io.each_line { |line| total += line.strip.split(":").last.to_i rescue 0 }
    end
  else
    base_flags = use_regex ? "-E" : "-F"
    args = ["grep", "-rc", base_flags]
    args << "-i" unless match_case
    args << "-w" if whole_word
    # grep --exclude-dir only accepts plain directory names, not paths with slashes
    Array(excluded_paths).map(&:to_s).reject(&:empty?).reject { |p| p.include?("/") }.each { |d| args << "--exclude-dir=#{d}" }
    args += [query, workspace_root.to_s]
    IO.popen(args, err: File::NULL) do |io|
      io.each_line { |line| total += line.strip.split(":").last.to_i rescue 0 }
    end
  end
  total
rescue StandardError
  0
end

.replace(workspace_root, query, replacement, use_regex:, match_case:, whole_word:, excluded_paths:) ⇒ Object 



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
 
# File 'app/services/mbeditor/search_replace_service.rb', line 107

def replace(workspace_root, query, replacement, use_regex:, match_case:, whole_word:, excluded_paths:)
  workspace_root = workspace_root.to_s

  raw_results = search(workspace_root, query, limit: 10_000, use_regex: use_regex,
                       match_case: match_case, whole_word: whole_word, excluded_paths: excluded_paths)
  file_paths = raw_results.map { |r| r[:file] }.uniq

  if file_paths.length > MAX_REPLACE_FILES
    return { error: "Too many files matched (#{file_paths.length}). Narrow your search.",
             replaced_count: 0, files_affected: [], errors: [], partial: false }
  end

  pattern = build_pattern(query, use_regex: use_regex, match_case: match_case, whole_word: whole_word)
  replaced_count = 0
  files_affected = []
  errors = []

  file_paths.each do |rel_path|
    full_path = File.join(workspace_root, rel_path)

    next if ExclusionMatcher.new(excluded_paths).excluded?(rel_path)

    unless File.file?(full_path)
      errors << { file: rel_path, error: "File not found" }
      next
    end

    if File.size(full_path) > FileOperationService::MAX_FILE_SIZE_BYTES
      errors << { file: rel_path, error: "File too large" }
      next
    end

    begin
      Timeout.timeout(PER_FILE_TIMEOUT) do
        content = File.binread(full_path).force_encoding("UTF-8")
                     .encode("UTF-8", invalid: :replace, undef: :replace)
        replacements_in_file = content.scan(pattern).length
        new_content = content.gsub(pattern, replacement)
        if new_content != content
          File.binwrite(full_path, new_content.encode("UTF-8", invalid: :replace, undef: :replace))
          files_affected << rel_path
          replaced_count += replacements_in_file
        end
      end
    rescue Timeout::Error
      errors << { file: rel_path, error: "Timed out processing file" }
    rescue StandardError => e
      errors << { file: rel_path, error: e.message }
    end
  end

  {
    replaced_count: replaced_count,
    files_affected: files_affected,
    errors: errors,
    partial: errors.any? && files_affected.any?
  }
rescue RegexpError => e
  { error: "Invalid regex: #{e.message}", replaced_count: 0, files_affected: [], errors: [], partial: false }
end

.search(workspace_root, query, limit:, use_regex:, match_case:, whole_word:, excluded_paths:) ⇒ Object 



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
 
# File 'app/services/mbeditor/search_replace_service.rb', line 14

def search(workspace_root, query, limit:, use_regex:, match_case:, whole_word:, excluded_paths:)
  results = []

  if RG_AVAILABLE
    args = ["rg", "--json", "--no-ignore"]
    args << "-F" unless use_regex
    args << "--ignore-case" unless match_case
    args << "--word-regexp" if whole_word
    Array(excluded_paths).map(&:to_s).reject(&:empty?).each { |p| args << "--glob=!#{p}" }
    args += ["--", query, workspace_root.to_s]

    IO.popen(args, err: File::NULL) do |io|
      io.each_line do |raw|
        break if results.length >= limit

        begin
          data = JSON.parse(raw)
        rescue JSON::ParserError
          next
        end
        next unless data["type"] == "match"

        md = data["data"]
        results << {
          file: relative_path(md.dig("path", "text").to_s, workspace_root),
          line: md.dig("line_number"),
          text: md.dig("lines", "text").to_s.strip
        }
      end
    end
  else
    base_flags = use_regex ? "-E" : "-F"
    args = ["grep", "-rn", base_flags]
    args << "-i" unless match_case
    args << "-w" if whole_word
    # grep --exclude-dir only accepts plain directory names, not paths with slashes
    Array(excluded_paths).map(&:to_s).reject(&:empty?).reject { |p| p.include?("/") }.select { |d| d.match?(/\A[\w.\/-]+\z/) }.each { |d| args << "--exclude-dir=#{d}" }
    args += [query, workspace_root.to_s]

    IO.popen(args, err: File::NULL) do |io|
      io.each_line do |raw|
        break if results.length >= limit

        raw.chomp!
        next unless raw =~ /\A(.+?):(\d+):(.*)\z/

        file_path = Regexp.last_match(1)
        next unless file_path.start_with?(workspace_root.to_s)

        rel = relative_path(file_path, workspace_root)
        next if ExclusionMatcher.new(excluded_paths).excluded?(rel)

        results << {
          file: rel,
          line: Regexp.last_match(2).to_i,
          text: Regexp.last_match(3).strip
        }
      end
    end
  end

  results
end