Module: Cfruby::Cfp_ParserLogic

Included in:
Parser, CfrubyRuntime
Defined in:
lib/libcfenjin/cfp_parserlogic.rb

Instance Method Summary collapse

Instance Method Details

#conditional?(line) ⇒ Boolean

Returns whether a line is a Cfruby style conditional (double colon)

Returns:

  • (Boolean) 


103
104
105
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 103

def conditional? line
	line.strip =~ /[\w.|)(]+::$/
end

#embed_exec_into_informer(s, msg) ⇒ Object 



107
108
109
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 107

def embed_exec_into_informer s,msg
	"Cfruby.controller.inform(\"verbose\", \""+msg+"\n\#{"+s+"}\")"
end

#form_conditional(line) ⇒ Object

Turns a double colon conditional into a Ruby conditional



82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 82

def form_conditional line
	return line if !conditional? line
	# ---- Fetch statement
	line.strip =~ /(\S+)::/
	s = $1
	# ---- Split on separators
	toks = s.split(/[.|() !]+/)
	operators  = s.split(/[^.| ()!]+/)
	r = 'if'
	idx = 0
	# ---- Check for leading operators
	idx = -1 if toks[0] == ''
	toks.each do | tok |
		r += translate_operators(operators[idx]) + " isa?('#{tok}')" if tok != ''
		idx += 1
	end
	r += translate_operators(operators[idx])
	r
end

#form_control(line) ⇒ Object

Parse control lines for Cfruby assignments like ‘sshd = ( hostname1 hostname2 )’ Note that the notation is pretty strict. ‘sshd = (hostname1 hostname2)’, for example will not translate. This is to allow for standard Ruby assignments in a control block.



37
38
39
40
41
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 37

def form_control line
	line = convert_class_assignments(line)
	line = convert_global_assignments(line)
	convert_global_variables(line)
end

#form_copy(line) ⇒ Object

Parse line and turn it into a valid Ruby call



44
45
46
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 44

def form_copy line
	cfline 'copy',line
end

#form_directories(line) ⇒ Object 



52
53
54
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 52

def form_directories line
	cfline 'directories',line
end

#form_editfiles(line) ⇒ Object 



60
61
62
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 60

def form_editfiles line
	convert_global_variables(line)
end

#form_files(line) ⇒ Object 



56
57
58
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 56

def form_files line
	cfline 'files',line
end

#form_groups(line) ⇒ Object

Parse groups lines for Cfruby assignments like ‘sshd = ( hostname1 hostname2 )’



23
24
25
26
27
28
29
30
31
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 23

def form_groups line
	return line if remark? line
	# Test for assignment with spaces and braces
	if line.strip !~ /^\w+\s+\=\s+\(\s.*\s\)$/
		raise 'Illegal groups command: "'+line+'"' if line.strip != ''
	end
	line = convert_class_assignments(line)
	convert_global_variables(line)
end

#form_links(line) ⇒ Object

Parse line and turn it into a valid Ruby call



14
15
16
17
18
19
20
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 14

def form_links line
	if line =~ /->/
		from,to = line.split(/\s*->\s*/)
		line = 'link '+quotepath(to)+','+quotepath(from)
	end
	convert_global_variables(line)
end

#form_shellcommands(line) ⇒ Object

In shellcommands lines starting with a (double) quote are executed by libcruby. Backquotes are Ruby commands - and to see the return value we prepend an output statement.



67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 67

def form_shellcommands line
	if line.strip =~ /^['"](.*)['"]$/
		cmda = eval('%w{'+$1+'}')
		p cmda
		# TODO: fixme
		raise 'Cannot execute quoted shellcommand (yet)'
		# Exec::shellexec(line)
	elsif line.strip =~ /^[`]/
		escline = line.strip.gsub(/"/,'\"') 
		line = embed_exec_into_informer(line,'Shell: '+escline+"\n")
	end
	convert_global_variables(line)
end

#form_tidy(line) ⇒ Object 



48
49
50
 
# File 'lib/libcfenjin/cfp_parserlogic.rb', line 48

def form_tidy line
	cfline 'tidy',line
end