X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbinaryparser.cpp;h=550319f46d0a7af21bd939b477adaac1047101c8;hb=57dc9929879076398467ae16d349cd0d453737fe;hp=2b50002eed7d26c3411fb4f70c85b8d3a9bf389d;hpb=7df5e45c7f414f6a07681dc4ec2abb63b091a309;p=libs%2Fdatafile.git diff --git a/source/binaryparser.cpp b/source/binaryparser.cpp index 2b50002..550319f 100644 --- a/source/binaryparser.cpp +++ b/source/binaryparser.cpp @@ -1,5 +1,6 @@ #include -#include +#include +#include #include "binaryparser.h" #include "input.h" @@ -8,6 +9,17 @@ using namespace std; namespace Msp { namespace DataFile { +class bad_definition: public runtime_error +{ +public: + bad_definition(const std::string &w): + runtime_error(w) + { } + + virtual ~bad_definition() throw() { } +}; + + BinaryParser::BinaryParser(Input &i, const string &s): ParserMode(i, s), first(true) @@ -24,7 +36,7 @@ Statement BinaryParser::parse() if(st.keyword=="__kwd") { if(st.args.size()!=3) - throw_at(TypeError("Keyword definition must have three arguments"), src); + throw bad_definition("__kwd"); const unsigned id = st.args[0].get(); const string &kw = st.args[1].get(); @@ -34,7 +46,7 @@ Statement BinaryParser::parse() else if(st.keyword=="__str") { if(st.args.size()!=2) - throw_at(TypeError("String definition must have two arguments"), src); + throw bad_definition("__str"); const unsigned id = st.args[0].get(); strings[id] = st.args[1].get(); @@ -54,10 +66,7 @@ Statement BinaryParser::parse_statement() if(!in) return Statement(); - Dictionary::const_iterator i = dict.find(id); - if(i==dict.end()) - throw_at(KeyError("Unknown statement ID", lexical_cast(id)), src); - const DictEntry &de = i->second; + const DictEntry &de = get_item(dict, id); Statement result; result.keyword = de.keyword; @@ -152,20 +161,12 @@ string BinaryParser::parse_string() return result; } else - return lookup_string(-len); + return get_item(strings, -len); } string BinaryParser::parse_enum() { - return lookup_string(parse_int()); -} - -const string &BinaryParser::lookup_string(unsigned id) const -{ - StringMap::const_iterator i = strings.find(id); - if(i==strings.end()) - throw_at(KeyError("Unknown string", lexical_cast(id)), src); - return i->second; + return get_item(strings, parse_int()); } } // namespace DataFile