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Refactored simple keys so that validating doesn't require popping indents, and so popping indents (and adding the end map) is independent of when we validate the simple key

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This commit is contained in:
Jesse Beder
2009-09-05 02:51:09 +00:00
parent 19673ff01a
commit 0e1638d7b5
3 changed files with 31 additions and 21 deletions
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21
src/simplekey.cpp
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@@ -7,12 +7,15 @@
namespace YAML
{
Scanner::SimpleKey::SimpleKey(const Mark& mark_, int flowLevel_)
: mark(mark_), flowLevel(flowLevel_), pMapStart(0), pKey(0)
: mark(mark_), flowLevel(flowLevel_), pIndent(0), pMapStart(0), pKey(0)
{
}
void Scanner::SimpleKey::Validate()
{
// Note: pIndent will *not* be garbage here; see below
if(pIndent)
pIndent->isValid = true;
if(pMapStart)
pMapStart->status = Token::VALID;
if(pKey)
@@ -21,6 +24,8 @@ namespace YAML
void Scanner::SimpleKey::Invalidate()
{
// Note: pIndent might be a garbage pointer here, but that's ok
// An indent will only be popped if the simple key is invalid
if(pMapStart)
pMapStart->status = Token::INVALID;
if(pKey)
@@ -35,9 +40,12 @@ namespace YAML
SimpleKey key(INPUT.mark(), m_flowLevel);
// first add a map start, if necessary
key.pMapStart = PushIndentTo(INPUT.column(), IndentMarker::MAP);
if(key.pMapStart)
key.pIndent = PushIndentTo(INPUT.column(), IndentMarker::MAP);
if(key.pIndent) {
key.pIndent->isValid = false;
key.pMapStart = key.pIndent->pStartToken;
key.pMapStart->status = Token::UNVERIFIED;
}
// then add the (now unverified) key
m_tokens.push(Token(Token::KEY, INPUT.mark()));
@@ -87,13 +95,6 @@ namespace YAML
else
key.Invalidate();
// In block style, remember that we've pushed an indent for this potential simple key (if it was starting).
// If it was invalid, then we need to pop it off.
// Note: we're guaranteed to be popping the right one (i.e., there couldn't have been anything in
// between) since keys have to be inline, and will be invalidated immediately on a newline.
if(!isValid && m_flowLevel == 0)
m_indents.pop();
m_isLastKeyValid = isValid;
return isValid;
}