Sha256: 97c2591e356e72b6ce866f7a4b3e4991579015a8356190cf47006889ec738b8e
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Size: 1.85 KB
Versions: 22
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Stored size: 1.85 KB
Contents
# represents a mono-spaced text document with a given width and expandable height.
class TextDoc
attr_reader :width, :height, :lines
def logger
RAILS_DEFAULT_LOGGER
end
def initialize(aWidth=80,aHeight=66)
@width = aWidth
@height = aHeight
@lines = Array.new(@height)
line_str = ' '*@width
@lines.collect!{|line| line_str.clone }
end
def replace_string(aString,aCol,aSubString)
return aString if aSubString==nil || aSubString==''
aSubString = aSubString.to_s
start_col = aCol < 0 ? 0 : aCol
end_col = aCol+aSubString.length-1
end_col = @width-1 if end_col >= @width
source_len = end_col-start_col+1
return aString if source_len <= 0 || end_col < 0 || start_col >= @width
aString += ' '*((end_col+1) - aString.length) if aString.length < end_col+1
aString[start_col,source_len] = aSubString[start_col-aCol,end_col-start_col+1]
return aString
end
def replace(aCol,aLine,aString)
return if (aLine < 0) || (aLine>=@lines.length)
replace_string(@lines[aLine],aCol,aString)
end
def replace_block(aCol,aLine,aLines)
aLines = aLines.split(/\n/) if aLines.is_a?(String)
aLines = aLines.lines if aLines.is_a?(TextDoc)
aLines.each_index do |iSource|
replace(aCol,aLine+iSource,aLines[iSource])
end
end
def add_block(aLines,aCol=0)
aLines = aLines.split(/\n/) if aLines.is_a?(String)
aLines = aLines.lines if aLines.is_a?(TextDoc)
aLines.each_index do |iSource|
@lines << ' '*@width
replace(aCol,@lines.length-1,aLines[iSource])
end
end
def add_line(aLine=nil,aCol=0)
@lines << ' '*@width and return if !aLine
@lines << ' '*@width
replace(aCol,@lines.length-1,aLine)
end
def centre_bar(aChar = '-', indent = 6)
(' '*indent) + aChar*(@width-(indent*2)) + (' '*indent)
end
def to_s
return @lines.join("\n")
end
end
Version data entries
22 entries across 22 versions & 2 rubygems