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Switched from moving the cursor forward (in Regex) to ignoring (this handles newlines properly).

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Updated some of the character-in-scalar rules.
This commit is contained in:
Jesse Beder
2008-07-10 00:23:25 +00:00
parent 03e6b5b991
commit 4cfa233888
4 changed files with 21 additions and 12 deletions
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9
exp.h
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@@ -29,7 +29,7 @@ namespace YAML
const RegEx BlockEntry = RegEx('-') + (BlankOrBreak || RegEx(EOF)); const RegEx BlockEntry = RegEx('-') + (BlankOrBreak || RegEx(EOF));
const RegEx Key = RegEx('?'), const RegEx Key = RegEx('?'),
KeyInFlow = RegEx('?') + BlankOrBreak; KeyInFlow = RegEx('?') + BlankOrBreak;
const RegEx Value = RegEx(':'), const RegEx Value = RegEx(':') + BlankOrBreak,
ValueInFlow = RegEx(':') + BlankOrBreak; ValueInFlow = RegEx(':') + BlankOrBreak;
const RegEx Comment = RegEx('#'); const RegEx Comment = RegEx('#');
const RegEx AnchorEnd = RegEx("?:,]}%@`", REGEX_OR) || BlankOrBreak; const RegEx AnchorEnd = RegEx("?:,]}%@`", REGEX_OR) || BlankOrBreak;
@@ -38,12 +38,11 @@ namespace YAML
// . Cannot start with a blank. // . Cannot start with a blank.
// . Can never start with any of , [ ] { } # & * ! | > \' \" % @ ` // . Can never start with any of , [ ] { } # & * ! | > \' \" % @ `
// . In the block context - ? : must be not be followed with a space. // . In the block context - ? : must be not be followed with a space.
// . In the flow context ? : are illegal and - must not be followed with a space. // . In the flow context ? is illegal and : and - must not be followed with a space.
const RegEx PlainScalar = !(BlankOrBreak || RegEx(",[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx("-?:", REGEX_OR) + Blank)), const RegEx PlainScalar = !(BlankOrBreak || RegEx(",[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx("-?:", REGEX_OR) + Blank)),
PlainScalarInFlow = !(BlankOrBreak || RegEx("?:,[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx('-') + Blank)); PlainScalarInFlow = !(BlankOrBreak || RegEx("?,[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx("-:", REGEX_OR) + Blank));
const RegEx IllegalColonInScalar = RegEx(':') + !BlankOrBreak;
const RegEx EndScalar = RegEx(':') + BlankOrBreak, const RegEx EndScalar = RegEx(':') + BlankOrBreak,
EndScalarInFlow = (RegEx(':') + BlankOrBreak) || RegEx(",:?[]{}", REGEX_OR); EndScalarInFlow = (RegEx(':') + BlankOrBreak) || RegEx(",?[]{}", REGEX_OR);
const RegEx EscSingleQuote = RegEx("\'\'"); const RegEx EscSingleQuote = RegEx("\'\'");
const RegEx EscBreak = RegEx('\\') + Break; const RegEx EscBreak = RegEx('\\') + Break;

2
regex.cpp
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@@ -283,7 +283,7 @@ namespace YAML
return -1; return -1;
offset += n; offset += n;
in.seekg(n, std::ios_base::cur); in.ignore(n);
} }
return offset; return offset;

9
scantoken.cpp
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@@ -274,7 +274,7 @@ namespace YAML
// set up the scanning parameters // set up the scanning parameters
ScanScalarParams params; ScanScalarParams params;
params.end = (m_flowLevel > 0 ? Exp::EndScalarInFlow : Exp::EndScalar) || (RegEx(' ') + Exp::Comment); params.end = (m_flowLevel > 0 ? Exp::EndScalarInFlow : Exp::EndScalar) || (Exp::BlankOrBreak + Exp::Comment);
params.eatEnd = false; params.eatEnd = false;
params.indent = (m_flowLevel > 0 ? 0 : m_indents.top() + 1); params.indent = (m_flowLevel > 0 ? 0 : m_indents.top() + 1);
params.fold = true; params.fold = true;
@@ -294,10 +294,9 @@ namespace YAML
// can have a simple key only if we ended the scalar by starting a new line // can have a simple key only if we ended the scalar by starting a new line
m_simpleKeyAllowed = params.leadingSpaces; m_simpleKeyAllowed = params.leadingSpaces;
// finally, we can't have any colons in a scalar, so if we ended on a colon, there // finally, check and see if we ended on an illegal character
// had better be a break after it //if(Exp::IllegalCharInScalar.Matches(INPUT))
if(Exp::IllegalColonInScalar.Matches(INPUT)) // throw ParserException(INPUT.line, INPUT.column, ErrorMsg::CHAR_IN_SCALAR);
throw ParserException(INPUT.line, INPUT.column, ErrorMsg::CHAR_IN_SCALAR);
Token *pToken = new Token(TT_SCALAR, line, column); Token *pToken = new Token(TT_SCALAR, line, column);
pToken->value = scalar; pToken->value = scalar;

13
tests/scalars.yaml
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@@ -21,4 +21,15 @@
that gets chomped. that gets chomped.
- >2 - >2
Here's a folded scalar Here's a folded scalar
that starts with some indentation. that starts with some indentation.
- ::vector
- ": - ()"
- Up, up, and away!
- -123
- http://example.com/foo#bar
# Inside flow collection:
- [ ::vector,
": - ()",
"Up, up and away!",
-123,
http://example.com/foo#bar ]