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Added quoted scalars (with escaping).

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Refactored some common whitespace-parsing code in scanning both scalars.
Implemented the flow collection tokens.
This commit is contained in:
Jesse Beder 2008-06-27 23:11:46 +00:00
parent a224c7818b
commit 49a75b2d78
9 changed files with 307 additions and 54 deletions
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14
exp.h
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@ -1,6 +1,8 @@
#pragma once
#include "regex.h"
#include <string>
#include <ios>
namespace YAML
{
@ -13,6 +15,8 @@ namespace YAML
const RegEx Blank = RegEx(' ') || RegEx('\t');
const RegEx Break = RegEx('\n');
const RegEx BlankOrBreak = Blank || Break;
const RegEx Digit = RegEx('0', '9');
const RegEx Hex = Digit || RegEx('A', 'F') || RegEx('a', 'f');
// actual tags
@ -30,11 +34,17 @@ namespace YAML
// . Can never start with any of , [ ] { } # & * ! | > \' \" % @ `
// . 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.
const RegEx PlainScalar = !(BlankOrBreak || RegEx(",[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx("-?:") + Blank)),
const RegEx PlainScalar = !(BlankOrBreak || RegEx(",[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx("-?:", REGEX_OR) + Blank)),
PlainScalarInFlow = !(BlankOrBreak || RegEx("?:,[]{}#&*!|>\'\"%@`", REGEX_OR) || (RegEx('-') + Blank));
const RegEx IllegalColonInScalar = RegEx(':') + !BlankOrBreak;
const RegEx EndScalar = RegEx(':') + BlankOrBreak,
EndScalarInFlow = (RegEx(':') + BlankOrBreak) || RegEx(",:?[]{}");
EndScalarInFlow = (RegEx(':') + BlankOrBreak) || RegEx(",:?[]{}", REGEX_OR);
const RegEx EscSingleQuote = RegEx("\'\'");
const RegEx EscBreak = RegEx('\\') + Break;
// and some functions
std::string Escape(std::istream& in, int& length);
}
namespace Keys