1 | #ifndef TFTiH |
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2 | #define TFTiH |
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3 | //--------------------------------------------------------------------------- |
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4 | #include <fstream> |
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5 | #include <cmath> |
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6 | #include <iomanip> |
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7 | //#include <typeinfo.h> |
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8 | |
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9 | #include "tft.h" |
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10 | //--------------------------------------------------------------------------- |
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11 | |
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12 | template<class I, class Ipass, class O, class Opass> |
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13 | class TFTi : public TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> > |
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14 | { |
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15 | public: |
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16 | TFTi() : TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >() {}; |
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17 | TFTi(const char* filename) |
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18 | : TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >() { load(filename); }; |
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19 | |
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20 | void read(const char* filename); |
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21 | void read(istream& is=cin); |
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22 | void write(const char* filename); |
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23 | void write(ostream& os=cout); |
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24 | void load(const char* filename); |
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25 | void load(FILE* f=stdin); |
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26 | void save(const char* filename); |
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27 | void save(FILE* f=stdout); |
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28 | void clear(); |
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29 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::ttn; |
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30 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::states; |
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31 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::transitions; |
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32 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::itype; |
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33 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::ftTYPELEN; |
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34 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::otype; |
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35 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::tt; |
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36 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::copy_default; |
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37 | using TFT<I,Ipass,O,Opass,TTrans_i<I,Ipass,O,Opass> >::print_mode; |
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38 | |
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39 | |
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40 | // friend istream& operator>>(istream&, TFTi<I,Ipass,O,Opass>&); |
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41 | // friend ostream& operator<<(ostream&, const TFTi<I,Ipass,O,Opass>&); |
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42 | }; |
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43 | |
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44 | //--------------------------------------------------------------------------- |
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45 | |
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46 | template<class I, class Ipass, class O, class Opass> |
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47 | void TFTi<I,Ipass,O,Opass>::read(const char* filename) |
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48 | { |
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49 | ifstream is(filename); |
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50 | if(!is) { fprintf(stderr,"Failed to open input file."); exit(1); } |
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51 | read(is); |
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52 | } |
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53 | |
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54 | template<class I, class Ipass, class O, class Opass> |
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55 | void TFTi<I,Ipass,O,Opass>::read(istream& is) |
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56 | { |
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57 | long *si; // state-index relation |
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58 | long ci=0; // current index |
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59 | char ch; // character read; |
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60 | int empty=0; // no of states with 0 trans? |
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61 | char intype[FT::ftTYPELEN]; |
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62 | char outtype[FT::ftTYPELEN]; |
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63 | |
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64 | clear(); |
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65 | |
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66 | is >> states >> transitions >> intype >> outtype; |
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67 | |
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68 | // if(strcmp(intype,itype)!=0 || |
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69 | // strcmp(outtype,otype)!=0 && strcmp(outtype,"void")!=0) |
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70 | // { is.clear(ios::badbit); goto end; }; |
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71 | |
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72 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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73 | while(is.peek()!='\n') |
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74 | { |
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75 | char s[20]; |
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76 | is >> s; |
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77 | if(strcmp(s,"COPY")==0 && strcmp(intype,outtype)==0) copy_default=true; |
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78 | else if(strcmp(s,"NOCOPY")==0) copy_default=false; |
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79 | else if(strcmp(s,"II")==0) print_mode=FT::II; |
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80 | else if(strcmp(s,"OO")==0) print_mode=FT::OO; |
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81 | else if(strcmp(s,"IOIO")==0) print_mode=FT::IOIO; |
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82 | else if(strcmp(s,"OIOI")==0) print_mode=FT::OIOI; |
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83 | else if(strcmp(s,"IIOO")==0) print_mode=FT::IIOO; |
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84 | else if(strcmp(s,"OIOI")==0) print_mode=FT::OIOI; |
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85 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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86 | } |
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87 | |
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88 | ttn=transitions+2; // 1 state without trans., 1 additional |
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89 | si=new long[states]; |
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90 | tt=new TTrans_i<I,Ipass,O,Opass>[ttn]; |
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91 | |
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92 | for(long cs=0;cs<states;cs++) |
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93 | { |
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94 | long tc; // transition counter |
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95 | si[cs]=ci; |
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96 | long cscheck; |
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97 | |
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98 | if(!is) goto end; |
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99 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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100 | is >> cscheck; |
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101 | if(cs!=cscheck) goto end; |
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102 | |
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103 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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104 | |
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105 | is.get(ch); |
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106 | if(!is) goto end; |
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107 | switch(ch) |
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108 | { |
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109 | case '-': tt[ci].final(false); break; |
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110 | case '+': tt[ci].final(true); break; |
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111 | default: goto end; |
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112 | } |
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113 | tc=0, tt[ci].continued(false); |
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114 | |
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115 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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116 | while(is && is.peek()!='\n') |
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117 | { |
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118 | switch(is.peek()) |
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119 | { |
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120 | case '~': tt[ci].epsi(true); tt[ci].defi(true); is.get(ch); |
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121 | break; |
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122 | case '@': tt[ci].epsi(false); tt[ci].defi(true); is.get(ch); |
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123 | break; |
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124 | default : tt[ci].geti(is); |
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125 | } |
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126 | if(!is) goto end; |
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127 | if(is.peek()=='/') |
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128 | { |
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129 | is.get(ch); |
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130 | switch(is.peek()) |
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131 | { |
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132 | case '~': tt[ci].epso(true); tt[ci].defo(true); is.get(ch); |
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133 | break; |
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134 | case '@': tt[ci].epso(false); tt[ci].defo(true); is.get(ch); |
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135 | break; |
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136 | default : tt[ci].geto(is); |
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137 | } |
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138 | } |
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139 | else |
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140 | { |
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141 | tt[ci].defo(true); |
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142 | if(copy_default) tt[ci].epso(false); else tt[ci].epso(true); |
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143 | } |
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144 | if(!is) goto end; |
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145 | |
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146 | unsigned long transition; |
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147 | is >> transition; |
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148 | tt[ci].next(transition); |
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149 | |
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150 | tt[ci].continued(false); |
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151 | tt[ci].empty(false); |
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152 | |
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153 | if(tc>0) tt[ci-1].continued(true); |
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154 | tc++,ci++; |
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155 | } |
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156 | if(tc==0) |
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157 | { |
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158 | if(++empty>2) { fprintf(stderr, "Nondeterministic automaton."); exit(1); } |
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159 | tt[ci].empty(true); |
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160 | ci++; |
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161 | } |
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162 | is.get(ch); |
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163 | if(ch!='\n') { is.clear(ios::badbit); goto end; } |
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164 | } |
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165 | |
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166 | ttn=transitions+empty; |
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167 | if(ttn!=ci) { is.clear(ios::badbit); goto end; }; |
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168 | for(long i=0;i<ttn;i++) |
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169 | tt[i].next(si[tt[i].next()]); |
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170 | delete[] si; |
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171 | sort(); |
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172 | |
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173 | end: |
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174 | if(is.bad()) { fprintf(stderr,"Input error."); exit(1); } |
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175 | } |
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176 | |
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177 | //--------------------------------------------------------------------------- |
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178 | |
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179 | template<class I, class Ipass, class O, class Opass> |
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180 | void TFTi<I,Ipass,O,Opass>::write(const char* filename) |
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181 | { |
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182 | ofstream os(filename); |
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183 | if(!os) err("Failed to open output file."); |
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184 | write(os); |
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185 | } |
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186 | |
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187 | template<class I, class Ipass, class O, class Opass> |
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188 | void TFTi<I,Ipass,O,Opass>::write(ostream& os) |
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189 | { |
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190 | os << states << ' ' << transitions << ' '; |
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191 | // os << itype << ' ' << otype << ' '; |
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192 | os << "char void"; |
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193 | // os << (copy_default ? "COPY" : "NOCOPY") << ' '; |
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194 | // switch(print_mode) |
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195 | // { |
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196 | // case FT::II : os << "II"; break; |
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197 | // case FT::OO : os << "OO"; break; |
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198 | // case FT::IOIO: os << "IOIO"; break; |
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199 | // case FT::OIOI: os << "OIOI"; break; |
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200 | // case FT::IIOO: os << "IIOO"; break; |
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201 | // case FT::OOII: os << "OOII"; |
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202 | // } |
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203 | os << '\n'; |
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204 | |
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205 | long* si=new long[ttn]; |
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206 | long cs=0; |
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207 | for(long i=0;i<ttn;i++) |
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208 | { |
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209 | si[i]=cs; |
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210 | if(continued(i)==false) cs++; |
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211 | } |
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212 | |
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213 | int statefieldwidth=log10(cs+1); |
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214 | |
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215 | bool first=true; |
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216 | for(long i=0;i<ttn;i++) |
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217 | { |
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218 | if(first) |
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219 | { |
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220 | os << setw(statefieldwidth) << si[i] << " "; |
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221 | if(final(i)) os << '+'; else os << '-'; |
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222 | } |
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223 | |
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224 | |
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225 | if(!empty(i)) |
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226 | { |
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227 | os << ' '; |
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228 | if(epsi(i)) |
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229 | os << FT::ftEPSILON; |
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230 | else |
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231 | if(defi(i)) |
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232 | os << FT::ftDEFAULT; |
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233 | else |
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234 | os << input(i); |
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235 | |
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236 | if(epso(i)) |
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237 | { if(copy_default) os << '/' << FT::ftEPSILON; } |
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238 | else |
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239 | if(defo(i)) |
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240 | { if(!copy_default) os << '/' << FT::ftDEFAULT; } |
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241 | else |
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242 | { os << '/' << output(i); } |
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243 | |
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244 | if(strcmp(itype,"char")!=0 || strcmp(otype,"char")!=0) |
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245 | os << ' '; |
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246 | os << si[next(i)]; |
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247 | } |
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248 | if(continued(i)) |
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249 | first=false; |
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250 | else |
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251 | { os << '\n'; first=true; } |
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252 | } |
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253 | } |
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254 | |
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255 | //--------------------------------------------------------------------------- |
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256 | |
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257 | template<class I, class Ipass, class O, class Opass> |
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258 | void TFTi<I,Ipass,O,Opass>::load(const char* filename) |
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259 | { |
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260 | FILE* f; |
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261 | if(*filename) |
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262 | f=fopen(filename,"rb"); |
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263 | else |
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264 | f=stdin; |
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265 | if(!f) { fprintf(stderr, "Cannot open automaton file."); return; } |
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266 | load(f); |
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267 | } |
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268 | |
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269 | template<class I, class Ipass, class O, class Opass> |
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270 | void TFTi<I,Ipass,O,Opass>::load(FILE* f) |
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271 | { |
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272 | |
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273 | clear(); |
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274 | |
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275 | if(fread(&ttn,sizeof(ttn),1,f)!=1) { fprintf(stderr, "Binary input error."); return;} |
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276 | if(fread(&states,sizeof(states),1,f)!=1) { fprintf(stderr, "Binary input error."); return;} |
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277 | if(fread(&transitions,sizeof(transitions),1,f)!=1) { fprintf(stderr, "Binary input error."); return;} |
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278 | if(fread(itype,sizeof(char),ftTYPELEN,f)!=ftTYPELEN) { fprintf(stderr, "Binary input error."); return;} |
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279 | if(fread(otype,sizeof(char),ftTYPELEN,f)!=ftTYPELEN) { fprintf(stderr, "Binary input error."); return;} |
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280 | if(fread(©_default,sizeof(copy_default),1,f)!=1) { fprintf(stderr, "Binary input error."); return;} |
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281 | if(fread(&print_mode,sizeof(print_mode),1,f)!=1) { fprintf(stderr, "Binary input error."); return;} |
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282 | if((tt=new TTrans_i<I,Ipass,O,Opass>[ttn])==NULL) { fprintf(stderr, "Cannot allocate memory for tt."); return;} |
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283 | if(fread(tt,sizeof(TTrans_i<I,Ipass,O,Opass>),ttn,f)!=ttn) { fprintf(stderr, "Binary input error."); return; } |
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284 | fclose(f); |
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285 | |
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286 | |
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287 | } |
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288 | |
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289 | //--------------------------------------------------------------------------- |
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290 | |
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291 | template<class I, class Ipass, class O, class Opass> |
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292 | void TFTi<I,Ipass,O,Opass>::save(const char* filename) |
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293 | { |
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294 | FILE* f; |
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295 | if(*filename) |
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296 | f=fopen(filename,"wb"); |
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297 | else |
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298 | f=stdout; |
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299 | if(!f) err("Cannot open file."); |
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300 | save(f); |
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301 | } |
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302 | |
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303 | template<class I, class Ipass, class O, class Opass> |
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304 | void TFTi<I,Ipass,O,Opass>::save(FILE* f) |
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305 | { |
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306 | if(fwrite(&ttn,sizeof(ttn),1,f)!=1) { fprintf(stderr,"Binary output error."); exit(1); } |
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307 | if(fwrite(&states,sizeof(states),1,f)!=1) { fprintf(stderr,"Binary output error."); exit(1); } |
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308 | if(fwrite(&transitions,sizeof(transitions),1,f)!=1) { fprintf(stderr,"Binary output error."); exit(1); } |
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309 | if(fwrite(itype,sizeof(char),ftTYPELEN,f)!=ftTYPELEN) { fprintf(stderr,"Binary output error."); exit(1); } |
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310 | if(fwrite(otype,sizeof(char),ftTYPELEN,f)!=ftTYPELEN) { fprintf(stderr,"Binary output error."); exit(1); } |
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311 | if(fwrite(©_default,sizeof(copy_default),1,f)!=1) { fprintf(stderr,"Binary output error."); exit(1); } |
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312 | if(fwrite(&print_mode,sizeof(print_mode),1,f)!=1) { fprintf(stderr,"Binary output error."); exit(1); } |
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313 | if(fwrite(tt,sizeof(TTrans_i<I,Ipass,O,Opass>),ttn,f)!=ttn) { fprintf(stderr,"Binary output error."); exit(1); } |
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314 | fclose(f); |
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315 | } |
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316 | |
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317 | //--------------------------------------------------------------------------- |
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318 | |
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319 | template<class I, class Ipass, class O, class Opass> |
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320 | void TFTi<I,Ipass,O,Opass>::clear() |
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321 | { |
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322 | if(tt) delete[] tt; |
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323 | ttn=0; |
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324 | } |
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325 | |
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326 | //--------------------------------------------------------------------------- |
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327 | /* |
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328 | template<class I, class Ipass, class O, class Opass> |
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329 | istream& operator>>(istream& is, TFTi<I,Ipass,O,Opass>& ft) |
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330 | { |
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331 | long *si; // state-index relation |
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332 | long ci=0; // current index |
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333 | char ch; // character read; |
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334 | int empty=0; // no of states with 0 trans? |
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335 | char intype[FT::ftTYPELEN]; |
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336 | char outtype[FT::ftTYPELEN]; |
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337 | |
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338 | ft.clear(); |
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339 | |
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340 | is >> ft.states >> ft.transitions >> intype >> outtype; |
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341 | |
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342 | if(strcmp(intype,ft.itype)!=0 || |
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343 | strcmp(outtype,ft.otype)!=0 && strcmp(outtype,"void")!=0) |
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344 | { is.clear(ios::badbit); return is; }; |
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345 | |
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346 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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347 | while(is.peek()!='\n') |
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348 | { |
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349 | char s[20]; |
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350 | is >> s; |
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351 | if(strcmp(s,"COPY")==0 && strcmp(intype,outtype)==0) ft.copy_default=true; |
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352 | else if(strcmp(s,"NOCOPY")==0) ft.copy_default=false; |
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353 | else if(strcmp(s,"II")==0) ft.print_mode=FT::II; |
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354 | else if(strcmp(s,"OO")==0) ft.print_mode=FT::OO; |
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355 | else if(strcmp(s,"IOIO")==0) ft.print_mode=FT::IOIO; |
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356 | else if(strcmp(s,"OIOI")==0) ft.print_mode=FT::OIOI; |
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357 | else if(strcmp(s,"IIOO")==0) ft.print_mode=FT::IIOO; |
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358 | else if(strcmp(s,"OIOI")==0) ft.print_mode=FT::OIOI; |
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359 | while(is.peek()==' ' || is.peek()=='\t') is.get(ch); |
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360 | } |
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361 | |
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362 | ft.ttn=ft.transitions+2; // 1 state without trans., 1 additional |
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363 | si=new long[ft.states]; |
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364 | ft.tt=new TTrans_i<I,Ipass,O,Opass>[ft.ttn]; |
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365 | |
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366 | for(long cs=0;cs<ft.states;cs++) |
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367 | { |
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368 | long tc; // transition counter |
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369 | si[cs]=ci; |
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370 | do is >> ch; while(ch!='+' && ch!='-'); |
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371 | switch(ch) |
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372 | { |
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373 | case '-': ft.tt[ci].final(false); break; |
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374 | case '+': ft.tt[ci].final(true); break; |
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375 | default: return is; |
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376 | } |
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377 | tc=0, ft.tt[ci].continued(false); |
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378 | while((is.get(ch),ch==' ')) |
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379 | { |
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380 | if(!is) return is; |
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381 | switch(is.peek()) |
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382 | { |
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383 | case '~': ft.tt[ci].epsi(true); ft.tt[ci].defi(true); is.get(ch); |
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384 | break; |
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385 | case '@': ft.tt[ci].epsi(false); ft.tt[ci].defi(true); is.get(ch); |
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386 | break; |
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387 | default : ft.tt[ci].geti(is); |
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388 | } |
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389 | if(!is) return is; |
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390 | if(is.peek()=='/') |
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391 | { |
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392 | is.get(ch); |
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393 | switch(is.peek()) |
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394 | { |
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395 | case '~': ft.tt[ci].epso(true); ft.tt[ci].defo(true); is.get(ch); |
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396 | break; |
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397 | case '@': ft.tt[ci].epso(false); ft.tt[ci].defo(true); is.get(ch); |
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398 | break; |
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399 | default : ft.tt[ci].geto(is); |
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400 | } |
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401 | } |
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402 | else |
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403 | { |
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404 | ft.tt[ci].defo(true); |
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405 | if(ft.copy_default) ft.tt[ci].epso(false); else ft.tt[ci].epso(true); |
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406 | } |
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407 | if(!is) return is; |
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408 | |
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409 | unsigned long transition; |
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410 | is >> transition; |
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411 | ft.tt[ci].next(transition); |
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412 | |
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413 | ft.tt[ci].continued(false); |
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414 | |
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415 | ft.tt[ci].empty(false); |
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416 | if(tc>0) ft.tt[ci-1].continued(true); |
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417 | tc++,ci++; |
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418 | } |
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419 | if(tc==0) |
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420 | { |
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421 | if(++empty>2) err("Nondeterministic automaton."); |
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422 | ft.tt[ci].empty(true); |
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423 | ci++; |
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424 | } |
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425 | if(ch!='\n') { is.clear(ios::badbit); return is; } |
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426 | } |
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427 | |
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428 | ft.ttn=ft.transitions+empty; |
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429 | if(ft.ttn!=ci) { is.clear(ios::badbit); return is; }; |
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430 | for(long i=0;i<ft.ttn;i++) |
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431 | ft.tt[i].next(si[ft.tt[i].next()]); |
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432 | delete[] si; |
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433 | ft.sort(); |
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434 | return is; |
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435 | } |
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436 | */ |
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437 | //--------------------------------------------------------------------------- |
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438 | /* |
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439 | template<class I, class Ipass, class O, class Opass> |
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440 | ostream& operator<<(ostream& os, const TFTi<I,Ipass,O,Opass>& ft) |
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441 | { |
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442 | os << ft.states << ' ' << ft.transitions << ' ' |
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443 | << ft.itype << ' ' << ft.otype << ' '; |
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444 | os << (ft.copy_default ? "COPY" : "NOCOPY") << ' '; |
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445 | switch(ft.print_mode) |
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446 | { |
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447 | case FT::II : os << "II"; break; |
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448 | case FT::OO : os << "OO"; break; |
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449 | case FT::IOIO: os << "IOIO"; break; |
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450 | case FT::OIOI: os << "OIOI"; break; |
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451 | case FT::IIOO: os << "IIOO"; break; |
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452 | case FT::OOII: os << "OOII"; |
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453 | } |
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454 | os << ' ' << '\n'; |
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455 | |
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456 | long* si=new long[ft.ttn]; |
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457 | long cs=0; |
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458 | for(long i=0;i<ft.ttn;i++) |
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459 | { |
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460 | si[i]=cs; |
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461 | if(ft.continued(i)==false) cs++; |
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462 | } |
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463 | |
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464 | bool first=true; |
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465 | for(long i=0;i<ft.ttn;i++) |
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466 | { |
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467 | if(first) |
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468 | if(ft.final(i)) os << '+'; else os << '-'; |
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469 | |
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470 | if(!ft.empty(i)) |
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471 | { |
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472 | os << ' '; |
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473 | if(ft.epsi(i)) |
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474 | os << FT::ftEPSILON; |
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475 | else |
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476 | if(ft.defi(i)) |
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477 | os << FT::ftDEFAULT; |
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478 | else |
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479 | os << ft.input(i); |
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480 | |
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481 | if(ft.epso(i)) |
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482 | { if(ft.copy_default) os << '/' << FT::ftEPSILON; } |
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483 | else |
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484 | if(ft.defo(i)) |
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485 | { if(!ft.copy_default) os << '/' << FT::ftDEFAULT; } |
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486 | else |
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487 | { os << '/' << ft.output(i); } |
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488 | |
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489 | if(strcmp(ft.itype,"char")!=0 || strcmp(ft.otype,"char")!=0) |
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490 | |
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491 | os << ' '; |
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492 | os << si[ft.next(i)]; |
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493 | } |
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494 | if(ft.continued(i)) |
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495 | first=false; |
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496 | else |
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497 | { os << '\n'; first=true; } |
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498 | } |
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499 | return os; |
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500 | } |
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501 | */ |
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502 | //--------------------------------------------------------------------------- |
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503 | //--------------------------------------------------------------------------- |
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504 | |
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505 | template<class I, class O> |
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506 | class TFTiv : public TFTi<I,I,O,O> |
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507 | { |
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508 | public: |
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509 | TFTiv() : TFTi<I,I,O,O>() {}; |
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510 | TFTiv(const char* filename) : TFTi<I,I,O,O>(filename) {}; |
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511 | }; |
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512 | |
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513 | //--------------------------------------------------------------------------- |
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514 | |
---|
515 | template<class I, class O> |
---|
516 | class TFTir : public TFTi<I,I&,O,O&> |
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517 | { |
---|
518 | public: |
---|
519 | TFTir() : TFTi<I,I,O,O>() {}; |
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520 | }; |
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521 | |
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522 | //--------------------------------------------------------------------------- |
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523 | #endif |
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