From dbbfbcc4a18c3303c4e8a55cf652c67702c91aed Mon Sep 17 00:00:00 2001 From: Andrew Balholm Date: Wed, 1 Aug 2012 14:45:35 +1000 Subject: [PATCH] exp/html: implement escaping and double-escaping in scripts The text inside BAR" PASS "FOOBAR" PASS "FOOBAR" PASS "FOOBAR" -FAIL "FOOBAR" -FAIL "FOOQUX" +PASS "FOOQUX" diff --git a/src/pkg/exp/html/testlogs/tests16.dat.log b/src/pkg/exp/html/testlogs/tests16.dat.log index 670e6c39af..4f1e211962 100644 --- a/src/pkg/exp/html/testlogs/tests16.dat.log +++ b/src/pkg/exp/html/testlogs/tests16.dat.log @@ -1,19 +1,19 @@ PASS "" +PASS "" PASS "" PASS "" PASS "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" +PASS "" +PASS "" +PASS "" +PASS "" +PASS "" +PASS "" -FAIL "" -PARSE "" PASS "" PASS "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" -FAIL "" +PASS "" +PASS "" +PASS "" +PASS "" +PASS "" +PASS "" -FAIL " tag, following the byzantine +// rules for escaping/hiding the closing tag. +func (z *Tokenizer) readScript() { + defer func() { + z.data.end = z.raw.end + }() + var c byte + +scriptData: + c = z.readByte() + if z.err != nil { + return + } + if c == '<' { + goto scriptDataLessThanSign + } + goto scriptData + +scriptDataLessThanSign: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '/': + goto scriptDataEndTagOpen + case '!': + goto scriptDataEscapeStart + } + z.raw.end-- + goto scriptData + +scriptDataEndTagOpen: + if z.readRawEndTag() || z.err != nil { + return + } + goto scriptData + +scriptDataEscapeStart: + c = z.readByte() + if z.err != nil { + return + } + if c == '-' { + goto scriptDataEscapeStartDash + } + z.raw.end-- + goto scriptData + +scriptDataEscapeStartDash: + c = z.readByte() + if z.err != nil { + return + } + if c == '-' { + goto scriptDataEscapedDashDash + } + z.raw.end-- + goto scriptData + +scriptDataEscaped: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataEscapedDash + case '<': + goto scriptDataEscapedLessThanSign + } + goto scriptDataEscaped + +scriptDataEscapedDash: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataEscapedDashDash + case '<': + goto scriptDataEscapedLessThanSign + } + goto scriptDataEscaped + +scriptDataEscapedDashDash: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataEscapedDashDash + case '<': + goto scriptDataEscapedLessThanSign + case '>': + goto scriptData + } + goto scriptDataEscaped + +scriptDataEscapedLessThanSign: + c = z.readByte() + if z.err != nil { + return + } + if c == '/' { + goto scriptDataEscapedEndTagOpen + } + if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' { + goto scriptDataDoubleEscapeStart + } + z.raw.end-- + goto scriptData + +scriptDataEscapedEndTagOpen: + if z.readRawEndTag() || z.err != nil { + return + } + goto scriptDataEscaped + +scriptDataDoubleEscapeStart: + z.raw.end-- + for i := 0; i < len("script"); i++ { + c = z.readByte() + if z.err != nil { + return + } + if c != "script"[i] && c != "SCRIPT"[i] { + z.raw.end-- + goto scriptDataEscaped + } + } + c = z.readByte() + if z.err != nil { + return + } + switch c { + case ' ', '\n', '\r', '\t', '\f', '/', '>': + goto scriptDataDoubleEscaped + } + z.raw.end-- + goto scriptDataEscaped + +scriptDataDoubleEscaped: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataDoubleEscapedDash + case '<': + goto scriptDataDoubleEscapedLessThanSign + } + goto scriptDataDoubleEscaped + +scriptDataDoubleEscapedDash: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataDoubleEscapedDashDash + case '<': + goto scriptDataDoubleEscapedLessThanSign + } + goto scriptDataDoubleEscaped + +scriptDataDoubleEscapedDashDash: + c = z.readByte() + if z.err != nil { + return + } + switch c { + case '-': + goto scriptDataDoubleEscapedDashDash + case '<': + goto scriptDataDoubleEscapedLessThanSign + case '>': + goto scriptData + } + goto scriptDataDoubleEscaped + +scriptDataDoubleEscapedLessThanSign: + c = z.readByte() + if z.err != nil { + return + } + if c == '/' { + goto scriptDataDoubleEscapeEnd + } + z.raw.end-- + goto scriptDataDoubleEscaped + +scriptDataDoubleEscapeEnd: + if z.readRawEndTag() { + z.raw.end += len("") + goto scriptDataEscaped + } + if z.err != nil { + return + } + goto scriptDataDoubleEscaped +} + // readComment reads the next comment token starting with "