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Tags, anchors, and aliases are all parsed now.

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This commit is contained in:
Jesse Beder 2008-07-01 06:28:10 +00:00
parent 8180a85a3b
commit 4c5a488f68
19 changed files with 303 additions and 93 deletions
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27
node.cpp
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@ -25,11 +25,11 @@ namespace YAML
m_alias = false;
}
void Node::Parse(Scanner *pScanner)
void Node::Parse(Scanner *pScanner, const ParserState& state)
{
Clear();
ParseHeader(pScanner);
ParseHeader(pScanner, state);
// is this an alias? if so, it can have no content
if(m_alias)
@ -43,24 +43,24 @@ namespace YAML
switch(pToken->type) {
case TT_SCALAR:
m_pContent = new Scalar;
m_pContent->Parse(pScanner);
m_pContent->Parse(pScanner, state);
break;
case TT_FLOW_SEQ_START:
case TT_BLOCK_SEQ_START:
case TT_BLOCK_ENTRY:
m_pContent = new Sequence;
m_pContent->Parse(pScanner);
m_pContent->Parse(pScanner, state);
break;
case TT_FLOW_MAP_START:
case TT_BLOCK_MAP_START:
m_pContent = new Map;
m_pContent->Parse(pScanner);
m_pContent->Parse(pScanner, state);
}
}
// ParseHeader
// . Grabs any tag, alias, or anchor tokens and deals with them.
void Node::ParseHeader(Scanner *pScanner)
void Node::ParseHeader(Scanner *pScanner, const ParserState& state)
{
while(1) {
Token *pToken = pScanner->PeekNextToken();
@ -68,26 +68,27 @@ namespace YAML
break;
switch(pToken->type) {
case TT_TAG: ParseTag(pScanner); break;
case TT_ANCHOR: ParseAnchor(pScanner); break;
case TT_ALIAS: ParseAlias(pScanner); break;
case TT_TAG: ParseTag(pScanner, state); break;
case TT_ANCHOR: ParseAnchor(pScanner, state); break;
case TT_ALIAS: ParseAlias(pScanner, state); break;
}
}
}
void Node::ParseTag(Scanner *pScanner)
void Node::ParseTag(Scanner *pScanner, const ParserState& state)
{
if(m_tag != "")
return; // TODO: throw
Token *pToken = pScanner->PeekNextToken();
m_tag = pToken->value;
m_tag = state.TranslateTag(pToken->value);
for(unsigned i=0;i<pToken->params.size();i++)
m_tag += pToken->params[i];
pScanner->PopNextToken();
}
void Node::ParseAnchor(Scanner *pScanner)
void Node::ParseAnchor(Scanner *pScanner, const ParserState& state)
{
if(m_anchor != "")
return; // TODO: throw
@ -98,7 +99,7 @@ namespace YAML
pScanner->PopNextToken();
}
void Node::ParseAlias(Scanner *pScanner)
void Node::ParseAlias(Scanner *pScanner, const ParserState& state)
{
if(m_anchor != "")
return; // TODO: throw