Class: CloudRailSi::ServiceCode::Substring

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudrail_si/servicecode/commands/string/Substring.rb

Instance Method Summary collapse

Instance Method Details

#execute(environment, parameters) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/cloudrail_si/servicecode/commands/string/Substring.rb', line 10

def execute(environment, parameters)
    Helper.assert((parameters.length === 3) ||
                  (parameters.length === 4) &&
                  Helper.is_var_address(parameters[0]))
    result_var = parameters[0]
    source_string = Helper.resolve(environment, parameters[1])
    Helper.assert(Helper.is_string(source_string))
    start_idx = Helper.resolve(environment, parameters[2])
    Helper.assert(Helper.is_number(start_idx))
    end_idx = source_string.length
    if (parameters.length === 4)
        end_idx = Helper.resolve(environment, parameters[3])
        Helper.assert(Helper.is_number(end_idx))
        Helper.assert(end_idx <= source_string.length)
    end
    res = source_string[start_idx..end_idx - 1]
    environment.set_variable(result_var, res)
end

#get_identifier ⇒ Object 



6
7
8
 
# File 'lib/cloudrail_si/servicecode/commands/string/Substring.rb', line 6

def get_identifier
    'string.substring'
end