AuroraMiddleware/brotli
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Add a MODE_GENERIC compression mode to the interface.

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With this the users can distinguish between not knowing
what the input is (ddefault) and knowing that it is text,
and thus can be relied on to force some UTF-8 specific settings.
This commit is contained in:
Zoltan Szabadka 2015-05-11 11:33:19 +02:00
parent 288f70d7ea
commit aa853f3cbc
2 changed files with 10 additions and 4 deletions
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3
enc/encode.cc
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@ -211,7 +211,8 @@ BrotliCompressor::BrotliCompressor(BrotliParams params)
hash_type_ = (params_.mode == BrotliParams::MODE_TEXT) ? 10 : 11;
}
hashers_->Init(hash_type_);
if (params_.mode == BrotliParams::MODE_TEXT &&
if ((params_.mode == BrotliParams::MODE_GENERIC ||
params_.mode == BrotliParams::MODE_TEXT) &&
params_.enable_dictionary) {
StoreDictionaryWordHashes(params_.enable_transforms);
}

11
enc/encode.h
View File

@ -36,7 +36,7 @@ static const int kMaxInputBlockBits = 24;
struct BrotliParams {
BrotliParams()
: mode(MODE_TEXT),
: mode(MODE_GENERIC),
quality(11),
lgwin(22),
lgblock(0),
@ -46,8 +46,13 @@ struct BrotliParams {
enable_context_modeling(true) {}
enum Mode {
MODE_TEXT = 0,
MODE_FONT = 1,
// Default compression mode. The compressor does not know anything in
// advance about the properties of the input.
MODE_GENERIC = 0,
// Compression mode for UTF-8 format text input.
MODE_TEXT = 1,
// Compression mode used in WOFF 2.0.
MODE_FONT = 2,
};
Mode mode;