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| author |  Adam Chlipala <adam@chlipala.net> | 2011-07-15 17:25:09 -0400 |
|---|---|---|
| committer | Adam Chlipala <adam@chlipala.net> | 2011-07-15 17:25:09 -0400 |
| commit | 8fbfee72b103140ef0764ef27ba08db08ca97ea6 (patch) | |
| tree | 7e42609843840dee056822c9068c7b5758196e1f /src/tutorial.sml | |
| parent | 65305ca78524fe1be150ef542a45c20dd3ca6496 (diff) | |
Allow HTML in tutorial comments
Diffstat (limited to 'src/tutorial.sml')
| -rw-r--r-- | src/tutorial.sml | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/tutorial.sml b/src/tutorial.sml index 84244197..2b875c0b 100644 --- a/src/tutorial.sml +++ b/src/tutorial.sml @@ -48,6 +48,28 @@ fun fixupFile (fname, title) = val (befor, after) = Substring.position "<title>" source + fun proseLoop source = + let + val (befor, after) = Substring.splitl (fn ch => ch <> #"&") source + in + if Substring.isEmpty after then + TextIO.outputSubstr (outf, source) + else if Substring.size after >= 8 andalso Substring.string (Substring.slice (after, 1, SOME 7)) = "amp;lt;" then + (TextIO.outputSubstr (outf, befor); + TextIO.output (outf, "<"); + proseLoop (Substring.slice (after, 8, NONE))) + else if Substring.size after >= 4 andalso Substring.string (Substring.slice (after, 1, SOME 3)) = "gt;" then + (TextIO.outputSubstr (outf, befor); + TextIO.output (outf, ">"); + proseLoop (Substring.slice (after, 4, NONE))) + else if Substring.size after >= 5 andalso Substring.string (Substring.slice (after, 1, SOME 4)) = "amp;" then + (TextIO.outputSubstr (outf, befor); + TextIO.output (outf, "&"); + proseLoop (Substring.slice (after, 5, NONE))) + else + raise Fail "Unsupported HTML escape" + end + fun loop source = let val (befor, after) = Substring.position "<span class=\"comment-delimiter\">(* </span><span class=\"comment\">" source @@ -64,7 +86,7 @@ fun fixupFile (fname, title) = else (TextIO.outputSubstr (outf, befor); TextIO.output (outf, "<div class=\"prose\">"); - TextIO.outputSubstr (outf, befor'); + proseLoop befor'; TextIO.output (outf, "</div>"); loop (Substring.slice (after, 49, NONE))) end |