Class: Command_editor

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/Command_editor.rb

Instance Method Summary collapse

Constructor Details

#initialize(action, cmd_name, chip, bus_id, parent, bus_param = {}) ⇒ Command_editor 



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
 
# File 'lib/class/Command_editor.rb', line 17

def initialize(action, cmd_name, chip, bus_id, parent, bus_param={})
  super()
  @view = Ui_Command_editor.new
  centerWindow(self)
  @view.setupUi(self)
  @bus = Bus.find(bus_id)
  @chip_id = chip.id
  @cmd_name = cmd_name
  @bus_id = bus_id
  @parent = parent
  @cmd_table = Command_table.new(@view.tbl_bytes, @bus.name)

  inputRestrict(@view.lie_name, 2)
  inputRestrict(@view.lie_description, 2)
  @view.lbl_chip_val.setText(chip.reference)
  @cmd_table.resize_to_content
  @cmd_table.build_spi if @bus.name == 'SPI'
  @view.lie_text_2_bytes.hide unless @bus.name == 'SPI'

  case action
  when 0
    # Add

    @view.lbl_cmd_val.setText('-')
    Qt::Object.connect(@view.btn_validate, SIGNAL('clicked()'), self, SLOT('add_cmd()'))
  when 1
    # Template

    @view.lbl_cmd_val.setText(cmd_name)
    feed_editor_form
    @view.lie_name.setText('')
    Qt::Object.connect(@view.btn_validate, SIGNAL('clicked()'), self, SLOT('add_cmd()'))
  else
    # Edit

    @view.lbl_cmd_val.setText(cmd_name)
    feed_editor_form
    @view.btn_validate.setText('Edit')
    Qt::Object.connect(@view.btn_validate, SIGNAL('clicked()'), self, SLOT('edit_cmd()'))
  end
  unless bus_param.empty?
    feed_i2c_cmd_array(bus_param)
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

Instance Method Details

#add_bytes ⇒ Object 



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
 
# File 'lib/class/Command_editor.rb', line 104

def add_bytes
  @view.tbl_bytes.sortItems(0, Qt::AscendingOrder)
  @view.tbl_bytes.rowCount.times do |i|
    if @bus.name == 'SPI'
      iteration = @view.tbl_bytes.item(i, 2).text
      description = @view.tbl_bytes.item(i, 3).text
    else
      iteration = nil
      description = @view.tbl_bytes.item(i, 2).text
    end
    byte = Byte.create(
      index:       i.next,
      value:       @view.tbl_bytes.item(i, 1).text,
      iteration:   iteration,
      description: description,
      command_id:  @cmd.id
    )
    return false if check_for_errors(byte)
  end
  Qt::MessageBox.new(
    Qt::MessageBox::Information,
    'Command status',
    'Command saved'
  ).exec
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#add_cmd ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/class/Command_editor.rb', line 69

def add_cmd
  return false if @cmd_table.empty_data_exist? || is_cmd_size_valid? == false
  @cmd = Command.create(
    name:        @view.lie_name.text,
    description: @view.lie_description.text,
    bus_id:      @bus_id,
    chip_id:     @chip_id
  )
  unless check_for_errors(@cmd)
    add_bytes
    @parent.feed_cmd_array
    close
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#add_row ⇒ Object 



200
201
202
203
204
205
206
207
 
# File 'lib/class/Command_editor.rb', line 200

def add_row
  if @view.lie_text_2_bytes.text.empty?
    @cmd_table.add_row
  else
    @cmd_table.add_text_rows(@view.lie_text_2_bytes.text)
    @view.lie_text_2_bytes.setText('')
  end
end

#check_cell_content(item) ⇒ Object 



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
 
# File 'lib/class/Command_editor.rb', line 132

def check_cell_content(item)
  case @view.tbl_bytes.horizontalHeaderItem(item.column).text
  when 'Order', 'Repetition'
    if item.text.to_i < 0
      item.setData(0, Qt::Variant.new(0))
      ErrorMsg.new.positive_cell_value
    end
  when 'Byte (Hexa)'
    reg = Qt::RegExp.new("^[A-Fa-f0-9]{2}")
    reg_val = Qt::RegExpValidator.new(reg, self)
    if reg_val.validate(item.text, item.text.length) == 0
      item.setText('')
      ErrorMsg.new.hexa_cell_value
    end
  when 'Description'
    unless item.text.nil?
      reg = Qt::RegExp.new("^[a-zA-Z0-9_@-\s]+$")
      reg_val = Qt::RegExpValidator.new(reg, self)
      if reg_val.validate(item.text, item.text.length) == 0
        item.setText('')
        ErrorMsg.new.char_cell_value
      end
    end
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#clone_row ⇒ Object 



209
210
211
 
# File 'lib/class/Command_editor.rb', line 209

def clone_row
  @cmd_table.clone_rows
end

#edit_cmd ⇒ Object 



86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/class/Command_editor.rb', line 86

def edit_cmd
  return false if @cmd_table.empty_data_exist? && !is_cmd_size_valid?
  @cmd = Command.find_by(name: @cmd_name, chip_id: @chip_id)
  @cmd.update(
    name: @view.lie_name.text,
    description: @view.lie_description.text
  )
  @view.tbl_bytes.sortItems(0, Qt::AscendingOrder)
  unless check_for_errors(@cmd)
    Byte.where(command_id: @cmd.id).destroy_all
    add_bytes
    @parent.feed_cmd_array
    close
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#feed_editor_form ⇒ Object 



191
192
193
194
195
196
197
198
 
# File 'lib/class/Command_editor.rb', line 191

def feed_editor_form
  cmd = Command.find_by(name: @cmd_name)
  @view.lie_name.setText(@cmd_name)
  @view.lie_description.setText(cmd.description)
  @cmd_table.fill_byte_table(cmd.bytes)
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#feed_i2c_cmd_array(bus_param) ⇒ Object 



61
62
63
64
65
66
67
 
# File 'lib/class/Command_editor.rb', line 61

def feed_i2c_cmd_array(bus_param)
  if bus_param[:mode] == 'w'
    @cmd_table.i2c_write_cmd(bus_param[:addr], bus_param[:size].to_i)
  else
    @cmd_table.i2c_read_cmd(bus_param[:addr], bus_param[:size].to_i)
  end
end

#is_cmd_size_valid? ⇒ Boolean 



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
187
188
189
 
# File 'lib/class/Command_editor.rb', line 160

def is_cmd_size_valid?
  byte_table_size = @view.tbl_bytes.rowCount
  case @bus_name
  when 'SPI'
    cmd_size =  byte_table_size + @cmd_table.count_total_repetition
    return true if cmd_size < 4000
    return ErrorMsg.new.spi_cmd_too_long
  when 'I2C'
    count = i = 0
    while i <= byte_table_size - 1 do
      low_byte     = @view.tbl_bytes.item(i, 1)
      high_byte    = @view.tbl_bytes.item(i + 1, 1)
      command_byte = @view.tbl_bytes.item(i + 2, 1)
      return ErrorMsg.new.lowbyte_missing  if low_byte.nil?
      return ErrorMsg.new.highbyte_missing if high_byte.nil?
      return ErrorMsg.new.mode_missing     if command_byte.nil?
      current_count = HardsploitAPI.BytesToInt(
        lByte: low_byte.text.to_i(16),
        hByte: high_byte.text.to_i(16)
      )
      count += current_count
      (command_type.to_i(16) % 2).zero? ? i += current_count + 3 : i += 3
    end
    return ErrorMsg.new.size_neq_row_number unless i == byte_table_size
    return ErrorMsg.new.i2c_cmd_too_long    if count > 2000
    return true
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#remove_row ⇒ Object 



213
214
215
 
# File 'lib/class/Command_editor.rb', line 213

def remove_row
  @cmd_table.remove_rows
end