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highlightBare supports optional CSS class prefix for better CSS hygiene.

This commit is contained in:
Nick Sabalausky 2013-08-01 23:26:55 -04:00
parent 901c777862
commit f290e05724
1 changed files with 14 additions and 13 deletions
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27
highlighter.d
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@ -11,10 +11,11 @@ import std.array;
import std.range;
import std.d.lexer;
void writeSpan(Sink)(ref Sink sink, string cssClass, string value)
void writeSpan(Sink)(ref Sink sink, string cssClassPrefix, string cssClass, string value)
if(isOutputRange!(Sink, string))
{
sink.put(`<span class="`);
sink.put(cssClassPrefix);
sink.put(cssClass);
sink.put(`">`);
sink.put(value.replace("&", "&amp;").replace("<", "&lt;"));
@ -37,26 +38,26 @@ void highlight(R)(TokenRange!R tokens, string fileName)
}
/// Outputs span-highlighted code only, no wrapper HTML
void highlightBare(R)(TokenRange!R tokens)
void highlightBare(R)(TokenRange!R tokens, string cssClassPrefix=null)
{
StdoutSink sink;
highlightBare(tokens, sink);
highlightBare(tokens, sink, cssClassPrefix);
}
void highlight(R, Sink)(TokenRange!R tokens, ref Sink sink, string fileName)
if (isOutputRange!(Sink, string))
{
highlightImpl(tokens, sink, fileName, false);
highlightImpl(tokens, sink, fileName, false, null);
}
/// Outputs span-highlighted code only, no wrapper HTML
void highlightBare(R, Sink)(TokenRange!R tokens, ref Sink sink)
void highlightBare(R, Sink)(TokenRange!R tokens, ref Sink sink, string cssClassPrefix=null)
if (isOutputRange!(Sink, string))
{
highlightImpl(tokens, sink, null, true);
highlightImpl(tokens, sink, null, true, cssClassPrefix);
}
private void highlightImpl(R, Sink)(TokenRange!R tokens, ref Sink sink, string fileName, bool bare)
private void highlightImpl(R, Sink)(TokenRange!R tokens, ref Sink sink, string fileName, bool bare, string cssClassPrefix)
if (isOutputRange!(Sink, string))
{
if (!bare)
@ -89,17 +90,17 @@ html { background-color: #fdf6e3; color: #002b36; }
foreach (Token t; tokens)
{
if (isBasicType(t.type))
writeSpan(sink, "type", t.value);
writeSpan(sink, cssClassPrefix, "type", t.value);
else if (isKeyword(t.type))
writeSpan(sink, "kwrd", t.value);
writeSpan(sink, cssClassPrefix, "kwrd", t.value);
else if (t.type == TokenType.comment)
writeSpan(sink, "com", t.value);
writeSpan(sink, cssClassPrefix, "com", t.value);
else if (isStringLiteral(t.type) || t.type == TokenType.characterLiteral)
writeSpan(sink, "str", t.value);
writeSpan(sink, cssClassPrefix, "str", t.value);
else if (isNumberLiteral(t.type))
writeSpan(sink, "num", t.value);
writeSpan(sink, cssClassPrefix, "num", t.value);
else if (isOperator(t.type))
writeSpan(sink, "op", t.value);
writeSpan(sink, cssClassPrefix, "op", t.value);
else
sink.put(t.value.replace("<", "&lt;"));
}