Class: Grep

Inherits:
Object
  • Object
show all
Defined in:
lib/vimamsa/search_replace.rb

Constant Summary collapse

@@cur =

Current object of class

nil

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Grep

Returns a new instance of Grep.



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# File 'lib/vimamsa/search_replace.rb', line 111

def initialize()
  @buf = nil
  @line_to_id = {}
end

Instance Attribute Details

#buf ⇒ Object (readonly)

Returns the value of attribute buf.



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# File 'lib/vimamsa/search_replace.rb', line 60

def buf
  @buf
end

Class Method Details

.cur ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 63

def self.cur()
  return @@cur
end

.init ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 67

def self.init()
  vma.kbd.add_minor_mode("grep", :grep, :command)

  if cnf.experimental?
    bindkey "grep shift!", [:grep_apply_changes, proc {
      if vma.buf.module.class == Grep
        vma.buf.module.apply_changes
      else
        debug vma.buf.module, 2
        message("ERROR")
      end
    }, "Write changes edited in grep buffer to the underlying file"]
  end
  vma.kbd.add_minor_mode("bmgr", :buf_mgr, :command)
  reg_act(:grep_buffer, proc { Grep.new.run }, "Grep current buffer")
  reg_act(:grep_refresh, proc {
    if vma.buf.module.class == Grep
      vma.buf.module.refresh
    end
  }, "Refresh current Grep buffer")

  bindkey "C , g", :grep_buffer
  bindkey "grep ctrl-r", :grep_refresh
end

Instance Method Details

#apply_changes ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 92

def apply_changes()
  b = @orig_buf
  gb = vma.buf
  changed = 0
  gb.lines.each { |x|
    if m = x.match(/(\d+):(.*)/m)
      lineno = m[1].to_i
      newl = m[2]
      r = @orig_buf.line_range(lineno - 1, 1)
      old = @orig_buf[r.first..r.last]
      if old != newl
        @orig_buf.replace_range(r, newl)
        changed += 1
      end
    end
  }
  message("GREP: apply changes, #{changed} changed lines")
end

#callback(search_str, b = nil) ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 140

def callback(search_str, b = nil)
  debug "grep_cur_buffer(search_str)"
  @r = Regexp.new(Regexp.escape(search_str), Regexp::IGNORECASE)
  fpath = ""
  fpath = vma.buf.pathname.expand_path.to_s + ":" if vma.buf.pathname

  @search_str = search_str
  @orig_buf = vma.buf
  @buf = create_new_buffer("", "grep")

  @buf.default_mode = :grep
  @buf.module = self

  vma.kbd.set_mode(:grep)
  @buf.line_action_handler = proc { |lineno|
    debug "GREP HANDLER:#{lineno}"
    jumpto = @grep_matches[lineno]
    if jumpto.class == Integer
      vma.buffers.set_current_buffer_by_id(@orig_buf.id)
      @orig_buf.jump_to_line(jumpto)
    end
  }

  set_buf_contents
end

#refresh ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 116

def refresh
  set_buf_contents
end

#run ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 166

def run()
  callb = self.method("callback")
  gui_one_input_action("Grep", "Search:", "grep", callb)
end

#set_buf_contents ⇒ Object 



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# File 'lib/vimamsa/search_replace.rb', line 120

def set_buf_contents()
  lines = @orig_buf.split("\n")

  @grep_matches = []

  res_str = ""
  lines.each_with_index { |l, i|
    if @r.match(l)
      res_str << "#{i + 1}:"
      # ind = scan_indexes(l, r)
      res_str << "#{l}\n"
      @grep_matches << i + 1 # Lines start from index 1
    end
  }

  @buf.set_content(res_str)

  Gui.highlight_match(@buf, @search_str, color: cnf.match.highlight.color!)
end