tag.cpp

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#include "tag.h"
#include "directives.h"
#include "token.h"
#include <cassert>
#include <stdexcept>

namespace YAML_PM
{
        Tag::Tag(const Token& token): type(static_cast<TYPE>(token.data))
        {
                switch(type) {
                        case VERBATIM:
                                value = token.value;
                                break;
                        case PRIMARY_HANDLE:
                                value = token.value;
                                break;
                        case SECONDARY_HANDLE:
                                value = token.value;
                                break;
                        case NAMED_HANDLE:
                                handle = token.value;
                                value = token.params[0];
                                break;
                        case NON_SPECIFIC:
                                break;
                        default:
                                assert(false);
                }
        }

        const std::string Tag::Translate(const Directives& directives)
        {
                switch(type) {
                        case VERBATIM:
                                return value;
                        case PRIMARY_HANDLE:
                                return directives.TranslateTagHandle("!") + value;
                        case SECONDARY_HANDLE:
                                return directives.TranslateTagHandle("!!") + value;
                        case NAMED_HANDLE:
                                return directives.TranslateTagHandle("!" + handle + "!") + value;
                        case NON_SPECIFIC:
                                // TODO:
                                return "!";
                        default:
                                assert(false);
                }
                throw std::runtime_error("yaml-cpp: internal error, bad tag type");
        }
}