← text rewriter ideal • runtime • texts • text formatter plain formatter →
Format text for output as plain text.
abstract class text formatter
implements output[text fragment]
extends text visitor[void]
implicit import ideal • runtime • patterns
protected static character NEWLINE : '\n'
protected static NEWLINE PATTERN : singleton pattern[character] • new(NEWLINE)
protected output[character] the output
protected string spaces
protected var nonnegative indent
protected var boolean first
protected text formatter(output[character] the output, string spaces)
this • the output = the output
this • spaces = spaces
indent = 0
override void write(text fragment fragment)
process(fragment)
override void write all(readonly list[text fragment] fragments)
for (fragment : fragments)
process(fragment)
override void sync()
override void close()
override abstract void process string(string s)
override abstract void process element(text element element)
override abstract void process special(special text t)
override void process nodes(list text node nodes)
write all(nodes • nodes !> readonly list[text fragment])
override void process attributes(list attribute fragment fragments)
write all(fragments • fragments !> readonly list[text fragment])
protected void write string(string the string)
var nonnegative index : 0
while index < the string • size
if first
newline match : NEWLINE PATTERN • find first(the string, index)
if newline match is null
do write string(the string • skip(index))
break
else
newline index : newline match • begin
do write string(the string • slice(index, newline index))
index = newline match • end
protected void write newline()
protected void do write newline()
protected void do write indent()
for var nonnegative i : 0; i < indent; i += 1
protected void do write string(readonly list[character] s)
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