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Added some parser exceptions.

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This commit is contained in:
Jesse Beder
2008-07-02 05:00:32 +00:00
parent 901d16a96f
commit 2ccbfeff47
9 changed files with 201 additions and 30 deletions
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11
parser.cpp
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@@ -1,6 +1,7 @@
#include "parser.h"
#include "scanner.h"
#include "token.h"
#include "exceptions.h"
#include <sstream>
namespace YAML
@@ -62,23 +63,23 @@ namespace YAML
// . Should be of the form 'major.minor' (like a version number)
void Parser::HandleYamlDirective(const std::vector <std::string>& params)
{
if(params.empty())
return; // TODO: throw? (or throw on params.size() > 1?)
if(params.size() != 1)
throw BadYAMLDirective();
std::stringstream str(params[0]);
str >> m_state.version.major;
str.get();
str >> m_state.version.minor;
if(!str)
return; // TODO: throw? (or throw if there are any more characters in the stream?)
throw BadYAMLDirective(); // TODO: or throw if there are any more characters in the stream?
// TODO: throw on major > 1? warning on major == 1, minor > 1?
// TODO: throw on major > 1? warning on major == 1, minor > 2?
}
void Parser::HandleTagDirective(const std::vector <std::string>& params)
{
if(params.size() != 2)
return; // TODO: throw?
throw BadTAGDirective();
std::string handle = params[0], prefix = params[1];
m_state.tags[handle] = prefix;