generic-library/rapidjson
1
0
Fork 0
mirror of https://github.com/Tencent/rapidjson.git synced 2025-03-06 13:41:35 +01:00
Code Issues Projects Releases Wiki Activity

Restored original IterativeParse implementation

Browse Source 
Runs about 1-2% faster (original speed) by running in a tight loop, at
the expense of slight code duplication with IterativeParseNext.
This commit is contained in:
John Stiles 2017-02-07 00:02:08 -08:00
parent 488252eca2
commit 0f8389e787
1 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
include/rapidjson/reader.h
View File

@ -1892,11 +1892,36 @@ private:
template <unsigned parseFlags, typename InputStream, typename Handler>
ParseResult IterativeParse(InputStream& is, Handler& handler) {
IterativeParseInit();
while (!IterativeParseComplete()) {
if (!IterativeParseNext<parseFlags>(is, handler))
parseResult_.Clear();
ClearStackOnExit scope(*this);
IterativeParsingState state = IterativeParsingStartState;
SkipWhitespaceAndComments<parseFlags>(is);
RAPIDJSON_PARSE_ERROR_EARLY_RETURN(parseResult_);
while (is.Peek() != '\0') {
Token t = Tokenize(is.Peek());
IterativeParsingState n = Predict(state, t);
IterativeParsingState d = Transit<parseFlags>(state, t, n, is, handler);
if (d == IterativeParsingErrorState) {
HandleError(state, is);
break;
}
state = d;
// Do not further consume streams if a root JSON has been parsed.
if ((parseFlags & kParseStopWhenDoneFlag) && state == IterativeParsingFinishState)
break;
SkipWhitespaceAndComments<parseFlags>(is);
RAPIDJSON_PARSE_ERROR_EARLY_RETURN(parseResult_);
}
// Handle the end of file.
if (state != IterativeParsingFinishState)
HandleError(state, is);
return parseResult_;
}