Class: Ruvi::CPPHighlighter
Class Method Summary
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Instance Method Summary
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Methods inherited from Highlighter
has_structure?, inherited
Class Method Details
.can_highlight?(buffer) ⇒ Boolean
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# File 'lib/plugins/hl_cpp.rb', line 9
def self.can_highlight? buffer
return (buffer.fname =~ /\.cpp$/)
end
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.importance ⇒ Object
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# File 'lib/plugins/hl_cpp.rb', line 6
def self.importance
0
end
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Instance Method Details
#get_highlight_state(buf, y) ⇒ Object
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# File 'lib/plugins/hl_cpp.rb', line 12
def get_highlight_state buf, y
buf.hlstacks[y]
end
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#highlight_line(buf, line, ypos) ⇒ Object
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# File 'lib/plugins/hl_cpp.rb', line 18
def highlight_line buf, line, ypos
hl_stack = (ypos == 0) ? [] : buf.hlstacks[ypos - 1].dup rescue [] current_class_stack = buf.classstacks[ypos-1]
current_class_stack = current_class_stack.nil? ? [] : current_class_stack.dup
dbg(:dbg_highlight) { "-#- #{line} #{ypos} #{hl_stack.inspect}" }
s = StringScanner.new line
while !s.eos?
state = :normal
state = :string if hl_stack.last == '"'
state = :comment if hl_stack.last == '/*'
case state
when :comment
matched = s.scan(/(\*\/|[^*]+|\*)/)
dbg(:dbg_highlight) { matched.inspect }
bold = true
color = Curses::COLOR_CYAN
hl_stack.pop if matched == "*/"
yield color, bold, matched if block_given?
when :string
matched = s.scan(/("|[^"]+)/)
dbg(:dbg_highlight) { matched.inspect }
bold = true
color = Curses::COLOR_MAGENTA
hl_stack.pop if matched == "\""
yield color, bold, matched if block_given?
when :normal
matched = s.scan(/(\/\/.*$|\/\*|\w+|\s+|.)/)
dbg(:dbg_highlight) { matched.inspect }
bold = nil
color = Curses::COLOR_WHITE
case matched
when /\/\/.*$/
color = Curses::COLOR_CYAN
bold = true
when /[0-9]/
color = Curses::COLOR_MAGENTA
bold = true
when *%w(if)
color = Curses::COLOR_YELLOW
bold = true
when *%w(void int char)
color = Curses::COLOR_GREEN
bold = true
when /\w+/
color = Curses::COLOR_WHITE
when "{"
hl_stack.push "{"
when "}"
hl_stack.pop
when "("
hl_stack.push "("
when ")"
hl_stack.pop
when "\""
bold = true
color = Curses::COLOR_MAGENTA
hl_stack.push "\""
when "/*"
bold = true
color = Curses::COLOR_CYAN
hl_stack.push "/*"
end
bold = false unless !bold.nil?
yield color, bold, matched if block_given?
end
dbg(:dbg_highlight) { "STATE : #{hl_stack.inspect} : #{state}" }
end
buf.classstacks[ypos] = current_class_stack
buf.hlstacks[ypos] = hl_stack
end
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#should_continue_highlight_pass?(buf, y, state) ⇒ Boolean
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# File 'lib/plugins/hl_cpp.rb', line 15
def should_continue_highlight_pass? buf, y, state
buf.hlstacks[y] != state
end
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