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| author | John Mark Bell <jmb@netsurf-browser.org> | 2008-12-03 16:00:32 +0000 |
|---|---|---|
| committer | John Mark Bell <jmb@netsurf-browser.org> | 2008-12-03 16:00:32 +0000 |
| commit | e14ee0baa1b7f2bfdca10fa5852385a200746c7d (patch) | |
| tree | c2999575403b45b8d246ceb8291357ad18a4b6a0 /docs/Bytecode | |
| parent | 23aa9cd7d8154c822335531f0619acce43f544b8 (diff) | |
| download | libcss-e14ee0baa1b7f2bfdca10fa5852385a200746c7d.tar.gz libcss-e14ee0baa1b7f2bfdca10fa5852385a200746c7d.tar.bz2 | |
Changes to the encoding of content in bytecode to better match the spec.
Beginnings of a content property parser.
svn path=/trunk/libcss/; revision=5874
Diffstat (limited to 'docs/Bytecode')
| -rw-r--r-- | docs/Bytecode | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/docs/Bytecode b/docs/Bytecode index 37a1a27..dfa5712 100644 --- a/docs/Bytecode +++ b/docs/Bytecode @@ -314,13 +314,18 @@ Opcodes 10 - content <value> (14bits) : - bits 8-13: MBZ + bits 8-13: MBZ (except counter & counters, see below) bits 0-7 : bit 7 set => string follows bits 0-6: 0000000 => string, 0000001 => uri, 0000010 => counter, - 0000011 => attr, + bits 12-13: MBZ + bits 8-11 : list-style-type + 0000011 => counters, + bits 12-13: MBZ + bits 8-11 : list-style-type + 0000100 => attr, other => rffe. bit 7 clear => keywords: bits 0-6: 0000000 => normal, @@ -338,11 +343,18 @@ Opcodes For example, content: open-quote url('http://example.com/') - " : " attr(name) close-quote;" + " : " attr(name) " " counter(x) "." counters(y, ".") + close-quote;" would result in the following bytecode: - <00080010> <00000081> <00000013> "http://example.com/" <00> - <00000080> <00000003> " : " <00> <00000083> <00000004> "name" + <00080010> + <00000081> <ptr to "http://example.com"> + <00000080> <ptr to " : "> + <00000084> <ptr to "name"> + <00000080> <ptr to " "> + <00000382> <ptr to "x"> + <00000080> <ptr to "."> + <00000383> <ptr to "y"> <ptr to "."> <00000003> <00000000> 11 - counter-increment |