kpresenter
ATFInterpreter.h
00001 // -*- Mode: c++-mode; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*- 00002 /* This file is part of the KDE project 00003 Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to 00017 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #ifndef ATFINTERP_H 00022 #define ATFINTERP_H 00023 00024 #include <qpointarray.h> 00025 #include <qptrlist.h> 00026 #include <qstringlist.h> 00027 00028 class ATFInterpreter { 00029 00030 public: 00031 00032 // structure of an attribute list 00033 struct AttribList 00034 { 00035 bool isVariable; 00036 int pwDiv; 00037 }; 00038 00039 // coordinate structure 00040 struct CoordStruct 00041 { 00042 QString a; 00043 QString b; 00044 QString c; 00045 QString d; 00046 QString e; 00047 QString f; 00048 QString result; 00049 }; 00050 00051 // attribute structure 00052 struct AttribStruct 00053 { 00054 QString isVariable; 00055 QString pwDiv; 00056 }; 00057 00058 // structure of signs 00059 struct Sign 00060 { 00061 char op; 00062 int num; 00063 char var; 00064 int type; 00065 }; 00066 00067 // structure of values 00068 struct Value 00069 { 00070 QPtrList<Sign> var1; 00071 QPtrList<Sign> var2; 00072 QPtrList<Sign> var3; 00073 QPtrList<Sign> var4; 00074 QPtrList<Sign> var5; 00075 QPtrList<Sign> var6; 00076 QPtrList<Sign> result; 00077 }; 00078 00079 // constructure - destructure 00080 ATFInterpreter(); 00081 ~ATFInterpreter(); 00082 00083 // load autoform 00084 void load(const QString &); 00085 00086 // get pointarray/attribute list/points 00087 QPointArray getPointArray(int,int); 00088 QPtrList<AttribList> getAttribList(); 00089 00090 protected: 00091 00092 // fields 00093 static const int ST_WIDTH; 00094 static const int ST_HEIGHT; 00095 static const int ST_VARIABLE; 00096 static const int ST_NUMBER; 00097 static const int ST_OPERATOR; 00098 00099 // operators 00100 static const char OP_EQUAL; 00101 static const char OP_PLUS; 00102 static const char OP_MINUS; 00103 static const char OP_MULT; 00104 static const char OP_DIV; 00105 static const char COMMENT; 00106 00107 // block (structure) beginnings - ends 00108 static const char PNT_BG[]; 00109 static const char X_BG[]; 00110 static const char Y_BG[]; 00111 static const char ATTR_BG[]; 00112 static const char END[]; 00113 00114 // allowed variables 00115 static const char VAR_1; 00116 static const char VAR_2; 00117 static const char VAR_3; 00118 static const char VAR_4; 00119 static const char VAR_5; 00120 static const char VAR_6; 00121 static const char VAR_X; 00122 static const char VAR_Y; 00123 static const char VAR_VARIA; 00124 static const char VAR_PW; 00125 static const char VAR_W; 00126 static const char VAR_H; 00127 00128 // level (depth) of the syntax 00129 static const int LEVEL_NULL; 00130 static const int LEVEL_POINT; 00131 static const int LEVEL_X; 00132 static const int LEVEL_Y; 00133 static const int LEVEL_ATTR; 00134 00135 // numbers 00136 static const char NUM_0; 00137 static const char NUM_1; 00138 static const char NUM_2; 00139 static const char NUM_3; 00140 static const char NUM_4; 00141 static const char NUM_5; 00142 static const char NUM_6; 00143 static const char NUM_7; 00144 static const char NUM_8; 00145 static const char NUM_9; 00146 00147 // structure of coordinates 00148 struct Coord 00149 { 00150 Value pntX; 00151 Value pntY; 00152 bool isVariable; 00153 int pwDiv; 00154 }; 00155 00156 // interpret the code 00157 void interpret(); 00158 00159 // get varaible of a line 00160 QPtrList<Sign> getVar(const QString&); 00161 00162 // ********** variables ********** 00163 00164 // list of coordinates and pointers to coordinate/sign/value 00165 QPtrList<Coord> coordList; 00166 QPtrList<AttribList> attrLs; 00167 Coord *coordPtr; 00168 Sign *signPtr; 00169 Value *valuePtr; 00170 00171 // list of lines 00172 QStringList lines; 00173 }; 00174 00175 #endif //ATFINTERP_H