static bool matchString( QString &s ) { if ( yyTok != Tok_String ) return false; s = yyString; yyTok = getToken(); while ( yyTok == Tok_Plus ) { yyTok = getToken(); if (yyTok == Tok_String) s += yyString; else { yyMsg() << "String used in translation can contain only literals" " concatenated with other literals, not expressions or numbers.\n"; return false; } yyTok = getToken(); } return true; }
static void parse( Translator *tor ) { QString text; QString com; QString extracomment; yyCh = getChar(); yyTok = getToken(); while ( yyTok != Tok_Eof ) { switch ( yyTok ) { case Tok_class: yyTok = getToken(); if(yyTok == Tok_Ident) { yyScope.push(new Scope(yyIdent, Scope::Clazz, yyLineNo)); } else { yyMsg() << qPrintable(LU::tr("'class' must be followed by a class name.\n")); break; } while (!match(Tok_LeftBrace)) { yyTok = getToken(); } break; case Tok_tr: yyTok = getToken(); if ( match(Tok_LeftParen) && matchString(text) ) { com.clear(); bool plural = false; if ( match(Tok_RightParen) ) { // no comment } else if (match(Tok_Comma) && matchStringOrNull(com)) { //comment if ( match(Tok_RightParen)) { // ok, } else if (match(Tok_Comma)) { plural = true; } } if (!text.isEmpty()) recordMessage(tor, context(), text, com, extracomment, plural); } break; case Tok_translate: { QString contextOverride; yyTok = getToken(); if ( match(Tok_LeftParen) && matchString(contextOverride) && match(Tok_Comma) && matchString(text) ) { com.clear(); bool plural = false; if (!match(Tok_RightParen)) { // look for comment if ( match(Tok_Comma) && matchStringOrNull(com)) { if (!match(Tok_RightParen)) { if (match(Tok_Comma) && matchExpression() && match(Tok_RightParen)) { plural = true; } else { break; } } } else { break; } } if (!text.isEmpty()) recordMessage(tor, contextOverride, text, com, extracomment, plural); } } break; case Tok_Ident: yyTok = getToken(); break; case Tok_Comment: if (yyComment.startsWith(QLatin1Char(':'))) { yyComment.remove(0, 1); extracomment.append(yyComment); } yyTok = getToken(); break; case Tok_RightBrace: if ( yyScope.isEmpty() ) { yyMsg() << qPrintable(LU::tr("Excess closing brace.\n")); } else delete (yyScope.pop()); extracomment.clear(); yyTok = getToken(); break; case Tok_LeftBrace: yyScope.push(new Scope(QString(), Scope::Other, yyLineNo)); yyTok = getToken(); break; case Tok_Semicolon: extracomment.clear(); yyTok = getToken(); break; case Tok_Package: yyTok = getToken(); while(!match(Tok_Semicolon)) { switch(yyTok) { case Tok_Ident: yyPackage.append(yyIdent); break; case Tok_Dot: yyPackage.append(QLatin1String(".")); break; default: yyMsg() << qPrintable(LU::tr("'package' must be followed by package name.\n")); break; } yyTok = getToken(); } break; default: yyTok = getToken(); } } if ( !yyScope.isEmpty() ) yyMsg(yyScope.top()->line) << qPrintable(LU::tr("Unbalanced opening brace.\n")); else if ( yyParenDepth != 0 ) yyMsg(yyParenLineNo) << qPrintable(LU::tr("Unbalanced opening parenthesis.\n")); }
static int getToken() { const char tab[] = "bfnrt\"\'\\"; const char backTab[] = "\b\f\n\r\t\"\'\\"; yyIdent.clear(); yyComment.clear(); yyString.clear(); while ( yyCh != EOF ) { yyLineNo = yyCurLineNo; if ( yyCh.isLetter() || yyCh.toLatin1() == '_' ) { do { yyIdent.append(yyCh); yyCh = getChar(); } while ( yyCh.isLetterOrNumber() || yyCh.toLatin1() == '_' ); if (yyTok != Tok_Dot) { switch ( yyIdent.at(0).toLatin1() ) { case 'r': if ( yyIdent == QLatin1String("return") ) return Tok_return; break; case 'c': if ( yyIdent == QLatin1String("class") ) return Tok_class; break; case 'n': if ( yyIdent == QLatin1String("null") ) return Tok_null; break; } } switch ( yyIdent.at(0).toLatin1() ) { case 'T': // TR() for when all else fails if ( yyIdent == QLatin1String("TR") ) return Tok_tr; break; case 'p': if( yyIdent == QLatin1String("package") ) return Tok_Package; break; case 't': if ( yyIdent == QLatin1String("tr") ) return Tok_tr; if ( yyIdent == QLatin1String("translate") ) return Tok_translate; } return Tok_Ident; } else { switch ( yyCh.toLatin1() ) { case '/': yyCh = getChar(); if ( yyCh == QLatin1Char('/') ) { do { yyCh = getChar(); if (yyCh == EOF) break; yyComment.append(yyCh); } while (yyCh != QLatin1Char('\n')); return Tok_Comment; } else if ( yyCh == QLatin1Char('*') ) { bool metAster = false; bool metAsterSlash = false; while ( !metAsterSlash ) { yyCh = getChar(); if ( yyCh == EOF ) { yyMsg() << qPrintable(LU::tr("Unterminated Java comment.\n")); return Tok_Comment; } yyComment.append( yyCh ); if ( yyCh == QLatin1Char('*') ) metAster = true; else if ( metAster && yyCh == QLatin1Char('/') ) metAsterSlash = true; else metAster = false; } yyComment.chop(2); yyCh = getChar(); return Tok_Comment; } break; case '"': yyCh = getChar(); while ( yyCh != EOF && yyCh != QLatin1Char('\n') && yyCh != QLatin1Char('"') ) { if ( yyCh == QLatin1Char('\\') ) { yyCh = getChar(); if ( yyCh == QLatin1Char('u') ) { yyCh = getChar(); uint unicode(0); for (int i = 4; i > 0; --i) { unicode = unicode << 4; if( yyCh.isDigit() ) { unicode += yyCh.digitValue(); } else { int sub(yyCh.toLower().toLatin1() - 87); if( sub > 15 || sub < 10) { yyMsg() << qPrintable(LU::tr("Invalid Unicode value.\n")); break; } unicode += sub; } yyCh = getChar(); } yyString.append(QChar(unicode)); } else if ( yyCh == QLatin1Char('\n') ) { yyCh = getChar(); } else { yyString.append( QLatin1Char(backTab[strchr( tab, yyCh.toLatin1() ) - tab]) ); yyCh = getChar(); } } else { yyString.append(yyCh); yyCh = getChar(); } } if ( yyCh != QLatin1Char('"') ) yyMsg() << qPrintable(LU::tr("Unterminated string.\n")); yyCh = getChar(); return Tok_String; case ':': yyCh = getChar(); return Tok_Colon; case '\'': yyCh = getChar(); if ( yyCh == QLatin1Char('\\') ) yyCh = getChar(); do { yyCh = getChar(); } while ( yyCh != EOF && yyCh != QLatin1Char('\'') ); yyCh = getChar(); break; case '{': yyCh = getChar(); return Tok_LeftBrace; case '}': yyCh = getChar(); return Tok_RightBrace; case '(': if (yyParenDepth == 0) yyParenLineNo = yyCurLineNo; yyParenDepth++; yyCh = getChar(); return Tok_LeftParen; case ')': if (yyParenDepth == 0) yyParenLineNo = yyCurLineNo; yyParenDepth--; yyCh = getChar(); return Tok_RightParen; case ',': yyCh = getChar(); return Tok_Comma; case '.': yyCh = getChar(); return Tok_Dot; case ';': yyCh = getChar(); return Tok_Semicolon; case '+': yyCh = getChar(); if (yyCh == QLatin1Char('+')) { yyCh = getChar(); return Tok_PlusPlus; } if( yyCh == QLatin1Char('=') ) { yyCh = getChar(); return Tok_PlusEq; } return Tok_Plus; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': { QByteArray ba; ba += yyCh.toLatin1(); yyCh = getChar(); bool hex = yyCh == QLatin1Char('x'); if ( hex ) { ba += yyCh.toLatin1(); yyCh = getChar(); } while ( hex ? isxdigit(yyCh.toLatin1()) : yyCh.isDigit() ) { ba += yyCh.toLatin1(); yyCh = getChar(); } bool ok; yyInteger = ba.toLongLong(&ok); if (ok) return Tok_Integer; break; } default: yyCh = getChar(); } } } return Tok_Eof; }