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highlighter takes optional output range.

This commit is contained in:
Nick Sabalausky 2013-08-01 23:08:12 -04:00
parent 83fd2457d2
commit 0212d85936
1 changed files with 41 additions and 16 deletions
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57
highlighter.d
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@ -8,24 +8,48 @@ module highlighter;
import std.stdio; import std.stdio;
import std.array; import std.array;
import std.range;
import std.d.lexer; import std.d.lexer;
void writeSpan(string cssClass, string value) void writeSpan(Sink)(ref Sink sink, string cssClass, string value)
if(isOutputRange!(Sink, string))
{ {
stdout.write(`<span class="`, cssClass, `">`, value.replace("&", "&amp;").replace("<", "&lt;"), `</span>`); sink.put(`<span class="`);
sink.put(cssClass);
sink.put(`">`);
sink.put(value.replace("&", "&amp;").replace("<", "&lt;"));
sink.put(`</span>`);
} }
// http://ethanschoonover.com/solarized
void highlight(R)(TokenRange!R tokens, string fileName) void highlight(R)(TokenRange!R tokens, string fileName)
{ {
stdout.writeln(q"[ struct StdoutSink
{
void put(string data)
{
stdout.write(data);
}
}
StdoutSink sink;
highlight(tokens, sink, fileName);
}
// http://ethanschoonover.com/solarized
void highlight(R, Sink)(TokenRange!R tokens, ref Sink sink, string fileName)
if(isOutputRange!(Sink, string))
{
sink.put(q"[
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>]"); <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
stdout.writeln("<title>", fileName, "</title>"); ]");
stdout.writeln(q"[</head> sink.put("<title>");
sink.put(fileName);
sink.put("</title>\n");
sink.put(q"[</head>
<body> <body>
<style type="text/css"> <style type="text/css">
html { background-color: #fdf6e3; color: #002b36; } html { background-color: #fdf6e3; color: #002b36; }
@ -37,26 +61,27 @@ html { background-color: #fdf6e3; color: #002b36; }
.type { color: #268bd2; font-weight: bold; } .type { color: #268bd2; font-weight: bold; }
.cons { color: #859900; font-weight: bold; } .cons { color: #859900; font-weight: bold; }
</style> </style>
<pre>]"); <pre>
]");
foreach (Token t; tokens) foreach (Token t; tokens)
{ {
if (isBasicType(t.type)) if (isBasicType(t.type))
writeSpan("type", t.value); writeSpan(sink, "type", t.value);
else if (isKeyword(t.type)) else if (isKeyword(t.type))
writeSpan("kwrd", t.value); writeSpan(sink, "kwrd", t.value);
else if (t.type == TokenType.comment) else if (t.type == TokenType.comment)
writeSpan("com", t.value); writeSpan(sink, "com", t.value);
else if (isStringLiteral(t.type) || t.type == TokenType.characterLiteral) else if (isStringLiteral(t.type) || t.type == TokenType.characterLiteral)
writeSpan("str", t.value); writeSpan(sink, "str", t.value);
else if (isNumberLiteral(t.type)) else if (isNumberLiteral(t.type))
writeSpan("num", t.value); writeSpan(sink, "num", t.value);
else if (isOperator(t.type)) else if (isOperator(t.type))
writeSpan("op", t.value); writeSpan(sink, "op", t.value);
else else
stdout.write(t.value.replace("<", "&lt;")); sink.put(t.value.replace("<", "&lt;"));
} }
stdout.writeln("</pre>\n</body></html>"); sink.put("</pre>\n</body></html>\n");
} }
/+void main(string[] args) /+void main(string[] args)