1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // iostream.cfa -- |
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8 | // |
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9 | // Author : Peter A. Buhr |
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10 | // Created On : Wed May 27 17:56:53 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Fri Jul 12 05:45:45 2024 |
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13 | // Update Count : 2019 |
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14 | // |
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15 | |
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16 | #include "iostream.hfa" |
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17 | |
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18 | #include <stdio.h> |
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19 | #include <stdbool.h> // true/false |
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20 | #include <stdint.h> // UINT64_MAX |
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21 | #include <float.h> // DBL_DIG, LDBL_DIG |
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22 | #include <complex.h> // creal, cimag |
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23 | #include <ctype.h> // isspace |
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24 | //#include <stdio.h> |
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25 | |
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26 | extern "C" { |
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27 | extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))); |
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28 | extern int strcmp (const char *__s1, const char *__s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2))); |
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29 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); |
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30 | extern void *memcpy (void *__restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); |
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31 | extern char *strchr(const char *str, int ch); |
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32 | } // extern "C" |
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33 | |
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34 | #include "math.hfa" // isfinite, floor, ceiling_div |
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35 | #include "bitmanip.hfa" // high1 |
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36 | |
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37 | #pragma GCC visibility push(default) |
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38 | |
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39 | |
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40 | // *********************************** ostream *********************************** |
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41 | |
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42 | |
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43 | forall( ostype & | basic_ostream( ostype ) ) { |
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44 | ostype & ?|?( ostype & os, bool b ) { |
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45 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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46 | fmt( os, "%s", b ? "true" : "false" ); |
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47 | return os; |
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48 | } // ?|? |
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49 | OSTYPE_VOID_IMPL( bool ) |
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50 | |
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51 | ostype & ?|?( ostype & os, char c ) { |
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52 | fmt( os, "%c", c ); |
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53 | if ( c == '\n' ) setNL$( os, true ); |
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54 | return nosep( os ); |
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55 | } // ?|? |
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56 | OSTYPE_VOID_IMPL( char ) |
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57 | |
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58 | ostype & ?|?( ostype & os, signed char sc ) { |
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59 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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60 | fmt( os, "%'hhd", sc ); |
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61 | return os; |
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62 | } // ?|? |
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63 | OSTYPE_VOID_IMPL( signed char ) |
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64 | |
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65 | ostype & ?|?( ostype & os, unsigned char usc ) { |
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66 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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67 | fmt( os, "%'hhu", usc ); |
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68 | return os; |
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69 | } // ?|? |
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70 | OSTYPE_VOID_IMPL( unsigned char ) |
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71 | |
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72 | ostype & ?|?( ostype & os, short int si ) { |
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73 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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74 | fmt( os, "%'hd", si ); |
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75 | return os; |
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76 | } // ?|? |
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77 | OSTYPE_VOID_IMPL( short int ) |
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78 | |
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79 | ostype & ?|?( ostype & os, unsigned short int usi ) { |
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80 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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81 | fmt( os, "%'hu", usi ); |
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82 | return os; |
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83 | } // ?|? |
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84 | OSTYPE_VOID_IMPL( unsigned short int ) |
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85 | |
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86 | ostype & ?|?( ostype & os, int i ) { |
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87 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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88 | fmt( os, "%'d", i ); |
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89 | return os; |
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90 | } // ?|? |
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91 | OSTYPE_VOID_IMPL( int ) |
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92 | |
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93 | ostype & ?|?( ostype & os, unsigned int ui ) { |
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94 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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95 | fmt( os, "%'u", ui ); |
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96 | return os; |
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97 | } // ?|? |
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98 | OSTYPE_VOID_IMPL( unsigned int ) |
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99 | |
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100 | ostype & ?|?( ostype & os, long int li ) { |
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101 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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102 | fmt( os, "%'ld", li ); |
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103 | return os; |
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104 | } // ?|? |
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105 | OSTYPE_VOID_IMPL( long int ) |
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106 | |
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107 | ostype & ?|?( ostype & os, unsigned long int uli ) { |
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108 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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109 | fmt( os, "%'lu", uli ); |
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110 | return os; |
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111 | } // ?|? |
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112 | OSTYPE_VOID_IMPL( unsigned long int ) |
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113 | |
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114 | ostype & ?|?( ostype & os, long long int lli ) { |
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115 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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116 | fmt( os, "%'lld", lli ); |
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117 | return os; |
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118 | } // ?|? |
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119 | OSTYPE_VOID_IMPL( long long int ) |
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120 | |
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121 | ostype & ?|?( ostype & os, unsigned long long int ulli ) { |
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122 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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123 | fmt( os, "%'llu", ulli ); |
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124 | return os; |
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125 | } // ?|? |
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126 | OSTYPE_VOID_IMPL( unsigned long long int ) |
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127 | |
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128 | #if defined( __SIZEOF_INT128__ ) |
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129 | // UINT64_MAX 18_446_744_073_709_551_615_ULL |
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130 | #define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes |
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131 | |
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132 | static inline void base10_128( ostype & os, unsigned int128 val ) { |
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133 | #if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7 |
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134 | if ( val > P10_UINT64 ) { |
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135 | #else |
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136 | if ( (uint64_t)(val >> 64) != 0 || (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug |
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137 | #endif // __GNUC_PREREQ(7,0) |
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138 | base10_128( os, val / P10_UINT64 ); // recursive |
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139 | fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) ); |
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140 | } else { |
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141 | fmt( os, "%lu", (uint64_t)val ); |
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142 | } // if |
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143 | } // base10_128 |
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144 | |
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145 | static inline void base10_128( ostype & os, int128 val ) { |
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146 | if ( val < 0 ) { |
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147 | fmt( os, "-" ); // leading negative sign |
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148 | val = -val; |
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149 | } // if |
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150 | base10_128( os, (unsigned int128)val ); // print zero/positive value |
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151 | } // base10_128 |
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152 | |
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153 | ostype & ?|?( ostype & os, int128 llli ) { |
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154 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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155 | base10_128( os, llli ); |
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156 | return os; |
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157 | } // ?|? |
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158 | OSTYPE_VOID_IMPL( int128 ) |
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159 | |
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160 | ostype & ?|?( ostype & os, unsigned int128 ullli ) { |
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161 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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162 | base10_128( os, ullli ); |
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163 | return os; |
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164 | } // ?|? |
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165 | OSTYPE_VOID_IMPL( unsigned int128 ) |
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166 | #endif // __SIZEOF_INT128__ |
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167 | |
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168 | #define PRINT_WITH_DP( os, format, val, ... ) \ |
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169 | { \ |
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170 | enum { size = 48 }; \ |
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171 | char buf[size]; \ |
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172 | int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \ |
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173 | fmt( os, "%s", buf ); \ |
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174 | if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \ |
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175 | for ( i; 0 ~ @ ) { \ |
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176 | if ( i == len ) { fmt( os, "." ); break; } \ |
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177 | if ( buf[i] == '.' || buf[i] == 'e' || buf[i] == 'E' || \ |
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178 | buf[i] == 'p' || buf[i] == 'P' ) break; /* decimal point or scientific ? */ \ |
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179 | } /* for */ \ |
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180 | } /* if */ \ |
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181 | } |
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182 | |
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183 | ostype & ?|?( ostype & os, float f ) { |
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184 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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185 | PRINT_WITH_DP( os, "%'g", f ); |
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186 | return os; |
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187 | } // ?|? |
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188 | OSTYPE_VOID_IMPL( float ) |
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189 | |
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190 | ostype & ?|?( ostype & os, double d ) { |
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191 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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192 | PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG ); |
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193 | return os; |
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194 | } // ?|? |
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195 | OSTYPE_VOID_IMPL( double ) |
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196 | |
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197 | ostype & ?|?( ostype & os, long double ld ) { |
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198 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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199 | PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG ); |
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200 | return os; |
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201 | } // ?|? |
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202 | OSTYPE_VOID_IMPL( long double ) |
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203 | |
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204 | ostype & ?|?( ostype & os, float _Complex fc ) { |
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205 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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206 | // os | crealf( fc ) | nonl; |
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207 | PRINT_WITH_DP( os, "%'g", crealf( fc ) ); |
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208 | PRINT_WITH_DP( os, "%'+g", cimagf( fc ) ); |
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209 | fmt( os, "i" ); |
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210 | return os; |
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211 | } // ?|? |
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212 | OSTYPE_VOID_IMPL( float _Complex ) |
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213 | |
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214 | ostype & ?|?( ostype & os, double _Complex dc ) { |
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215 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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216 | // os | creal( dc ) | nonl; |
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217 | PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG ); |
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218 | PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG ); |
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219 | fmt( os, "i" ); |
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220 | return os; |
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221 | } // ?|? |
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222 | OSTYPE_VOID_IMPL( double _Complex ) |
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223 | |
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224 | ostype & ?|?( ostype & os, long double _Complex ldc ) { |
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225 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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226 | // os | creall( ldc ) || nonl; |
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227 | PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG ); |
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228 | PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG ); |
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229 | fmt( os, "i" ); |
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230 | return os; |
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231 | } // ?|? |
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232 | OSTYPE_VOID_IMPL( long double _Complex ) |
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233 | |
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234 | ostype & ?|?( ostype & os, const char s[] ) { |
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235 | enum { Open = 1, Close, OpenClose }; |
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236 | static const unsigned char mask[256] @= { // 256 covers all Latin-1 characters |
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237 | // opening delimiters, no space after |
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238 | ['('] : Open, ['['] : Open, ['{'] : Open, |
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239 | ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open, |
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240 | [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open, |
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241 | // closing delimiters, no space before |
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242 | [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close, |
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243 | ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close, |
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244 | [')'] : Close, [']'] : Close, ['}'] : Close, |
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245 | // opening-closing delimiters, no space before or after |
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246 | ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose, |
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247 | [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace |
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248 | }; // mask |
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249 | |
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250 | if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer |
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251 | if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator |
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252 | |
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253 | // first character IS NOT spacing or closing punctuation => add left separator |
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254 | unsigned char ch = s[0]; // must make unsigned |
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255 | if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) { |
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256 | fmt( os, "%s", sepGetCur$( os ) ); |
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257 | } // if |
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258 | |
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259 | // if string starts line, must reset to determine open state because separator is off |
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260 | sepReset$( os ); // reset separator |
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261 | |
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262 | // last character IS spacing or opening punctuation => turn off separator for next item |
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263 | int len = strlen( s ); |
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264 | ch = s[len - 1]; // must make unsigned |
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265 | fmt( os, "%s", s ); // fmt resets seperator, but reset it again |
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266 | if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) { |
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267 | sep( os ); |
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268 | } else { |
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269 | nosep( os ); |
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270 | } // if |
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271 | if ( ch == '\n' ) setNL$( os, true ); // check *AFTER* sepPrt$ call above as it resets NL flag |
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272 | return os; |
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273 | // return write( os, s, len ); |
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274 | } // ?|? |
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275 | OSTYPE_VOID_IMPL( const char * ) |
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276 | |
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277 | // ostype & ?|?( ostype & os, const char16_t s[] ) { |
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278 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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279 | // fmt( os, "%ls", s ); |
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280 | // return os; |
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281 | // } // ?|? |
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282 | |
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283 | // #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous |
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284 | // ostype & ?|?( ostype & os, const char32_t s[] ) { |
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285 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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286 | // fmt( os, "%ls", s ); |
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287 | // return os; |
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288 | // } // ?|? |
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289 | // #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) |
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290 | |
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291 | // ostype & ?|?( ostype & os, const wchar_t s[] ) { |
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292 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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293 | // fmt( os, "%ls", s ); |
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294 | // return os; |
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295 | // } // ?|? |
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296 | |
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297 | ostype & ?|?( ostype & os, const void * p ) { |
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298 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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299 | fmt( os, "%p", p ); |
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300 | return os; |
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301 | } // ?|? |
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302 | OSTYPE_VOID_IMPL( const void * ) |
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303 | |
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304 | // manipulators |
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305 | ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) { |
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306 | return manip( os ); |
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307 | } // ?|? |
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308 | void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) { |
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309 | manip( os ); |
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310 | if ( getPrt$( os ) ) ends( os ); // something printed ? |
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311 | setPrt$( os, false ); // turn off |
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312 | } // ?|? |
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313 | |
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314 | ostype & nl( ostype & os ) { |
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315 | (ostype &)(os | '\n'); |
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316 | setPrt$( os, false ); // turn off |
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317 | setNL$( os, true ); |
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318 | return nosep( os ); // prepare for next line |
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319 | } // nl |
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320 | |
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321 | ostype & nonl( ostype & os ) { |
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322 | setPrt$( os, false ); // turn off |
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323 | return os; |
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324 | } // nonl |
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325 | |
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326 | ostype & nlOn( ostype & os ) { |
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327 | nlOn( os ); // call void returning |
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328 | return os; |
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329 | } // nlOn |
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330 | |
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331 | ostype & nlOff( ostype & os ) { |
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332 | nlOff( os ); // call void returning |
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333 | return os; |
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334 | } // nlOff |
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335 | |
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336 | ostype & sepVal( ostype & os ) { |
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337 | return (ostype &)(os | sepGet( os )); |
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338 | } // sepVal |
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339 | |
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340 | ostype & sepTupleVal( ostype & os ) { |
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341 | return os | sepGetTuple( os ); |
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342 | } // sepTupleVal |
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343 | |
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344 | ostype & sep( ostype & os ) { |
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345 | sep( os ); // call void returning |
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346 | return os; |
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347 | } // sep |
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348 | |
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349 | ostype & nosep( ostype & os ) { |
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350 | nosep( os ); // call void returning |
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351 | return os; |
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352 | } // nosep |
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353 | |
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354 | ostype & sepOn( ostype & os ) { |
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355 | sepOn( os ); // call void returning |
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356 | return os; |
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357 | } // sepOn |
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358 | |
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359 | ostype & sepOff( ostype & os ) { |
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360 | sepOff( os ); // call void returning |
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361 | return os; |
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362 | } // sepOff |
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363 | } // distribution |
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364 | |
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365 | // tuples |
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366 | forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) { |
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367 | ostype & ?|?( ostype & os, T arg, Params rest ) { |
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368 | (ostype &)(os | arg); // print first argument |
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369 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator |
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370 | (ostype &)(os | rest); // print remaining arguments |
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371 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator |
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372 | return os; |
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373 | } // ?|? |
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374 | void ?|?( ostype & os, T arg, Params rest ) { |
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375 | // (ostype &)(?|?( os, arg, rest )); ends( os ); |
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376 | (ostype &)(os | arg); // print first argument |
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377 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator |
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378 | (ostype &)(os | rest); // print remaining arguments |
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379 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator |
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380 | ends( os ); |
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381 | } // ?|? |
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382 | } // distribution |
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383 | |
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384 | // writes the range [begin, end) to the given stream |
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385 | forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) { |
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386 | void write( iterator_type begin, iterator_type end, ostype & os ) { |
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387 | void print( elt_type i ) { os | i; } |
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388 | for_each( begin, end, print ); |
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389 | } // ?|? |
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390 | |
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391 | void write_reverse( iterator_type begin, iterator_type end, ostype & os ) { |
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392 | void print( elt_type i ) { os | i; } |
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393 | for_each_reverse( begin, end, print ); |
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394 | } // ?|? |
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395 | } // distribution |
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396 | |
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397 | // *********************************** manipulators *********************************** |
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398 | |
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399 | // *********************************** integral *********************************** |
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400 | |
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401 | static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; |
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402 | static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; |
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403 | |
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404 | // Default prefix for non-decimal prints is 0b, 0, 0x. |
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405 | #define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \ |
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406 | forall( ostype & | basic_ostream( ostype ) ) { \ |
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407 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
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408 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \ |
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409 | \ |
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410 | if ( f.base == 'b' || f.base == 'B' ) { /* bespoke binary format */ \ |
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411 | int bits = high1( f.val ); /* position of most significant bit */ \ |
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412 | if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \ |
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413 | int spaces; \ |
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414 | if ( ! f.flags.left ) { /* right justified ? */ \ |
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415 | /* Note, base prefix then zero padding or spacing then prefix. */ \ |
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416 | if ( f.flags.pc ) { \ |
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417 | spaces = f.wd - f.pc; \ |
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418 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
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419 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \ |
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420 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
---|
421 | spaces = f.pc - bits; \ |
---|
422 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
---|
423 | } else { \ |
---|
424 | spaces = f.wd - bits; \ |
---|
425 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
---|
426 | if ( f.flags.pad0 ) { \ |
---|
427 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
---|
428 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
---|
429 | } else { \ |
---|
430 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \ |
---|
431 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
---|
432 | } /* if */ \ |
---|
433 | } /* if */ \ |
---|
434 | } else { \ |
---|
435 | if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \ |
---|
436 | if ( f.flags.pc ) { \ |
---|
437 | spaces = f.pc - bits; \ |
---|
438 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
---|
439 | spaces = f.wd - f.pc; \ |
---|
440 | } else { /* pad0 flag ignored with left flag */ \ |
---|
441 | spaces = f.wd - bits; \ |
---|
442 | } /* if */ \ |
---|
443 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
---|
444 | } /* if */ \ |
---|
445 | int shift = floor( bits - 1, 4 ); \ |
---|
446 | typeof( f.val ) temp = f.val; \ |
---|
447 | fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \ |
---|
448 | for () { \ |
---|
449 | shift -= 4; \ |
---|
450 | if ( shift < 0 ) break; \ |
---|
451 | temp = f.val; \ |
---|
452 | fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \ |
---|
453 | } /* for */ \ |
---|
454 | if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \ |
---|
455 | return os; \ |
---|
456 | } /* if */ \ |
---|
457 | \ |
---|
458 | char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \ |
---|
459 | if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \ |
---|
460 | else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \ |
---|
461 | int star = 5; /* position before first '*' */ \ |
---|
462 | \ |
---|
463 | /* Insert flags into spaces before '*', from right to left. */ \ |
---|
464 | if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \ |
---|
465 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ |
---|
466 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \ |
---|
467 | if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \ |
---|
468 | fmtstr[star] = '\''; star -= 1; /* locale */ \ |
---|
469 | fmtstr[star] = '%'; \ |
---|
470 | \ |
---|
471 | /* Special case printing 0 in hexadecimal as printf does not put the base. */ \ |
---|
472 | if ( (f.base == 'x' | f.base == 'X') && ! f.flags.nobsdp && f.val == 0 ) { \ |
---|
473 | fmt( os, f.base == 'x' ? "0x" : "0X" ); \ |
---|
474 | f.wd -= 2; \ |
---|
475 | if ( f.wd < 0 ) f.wd = 1; \ |
---|
476 | } /* if */ \ |
---|
477 | \ |
---|
478 | if ( ! f.flags.pc ) { /* no precision */ \ |
---|
479 | fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
480 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \ |
---|
481 | fmt( os, &fmtstr[star], f.wd, f.val ); \ |
---|
482 | } else { /* precision */ \ |
---|
483 | fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
484 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \ |
---|
485 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \ |
---|
486 | } /* if */ \ |
---|
487 | return os; \ |
---|
488 | } /* ?|? */ \ |
---|
489 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
490 | } // distribution |
---|
491 | |
---|
492 | INTEGRAL_FMT_IMPL( signed char, " *hh ", " *.*hh " ) |
---|
493 | INTEGRAL_FMT_IMPL( unsigned char, " *hh ", " *.*hh " ) |
---|
494 | INTEGRAL_FMT_IMPL( signed short int, " *h ", " *.*h " ) |
---|
495 | INTEGRAL_FMT_IMPL( unsigned short int, " *h ", " *.*h " ) |
---|
496 | INTEGRAL_FMT_IMPL( signed int, " * ", " *.* " ) |
---|
497 | INTEGRAL_FMT_IMPL( unsigned int, " * ", " *.* " ) |
---|
498 | INTEGRAL_FMT_IMPL( signed long int, " *l ", " *.*l " ) |
---|
499 | INTEGRAL_FMT_IMPL( unsigned long int, " *l ", " *.*l " ) |
---|
500 | INTEGRAL_FMT_IMPL( signed long long int, " *ll ", " *.*ll " ) |
---|
501 | INTEGRAL_FMT_IMPL( unsigned long long int, " *ll ", " *.*ll " ) |
---|
502 | |
---|
503 | |
---|
504 | #if defined( __SIZEOF_INT128__ ) |
---|
505 | // Default prefix for non-decimal prints is 0b, 0, 0x. |
---|
506 | forall( ostype & | basic_ostream( ostype ) ) |
---|
507 | static inline void base_128( ostype & os, unsigned int128 val, unsigned int128 power, _Ostream_Manip(uint64_t) & f, unsigned int maxdig, unsigned int bits, unsigned int cnt = 0 ) { |
---|
508 | int wd = 1; // f.wd is never 0 because 0 implies left-pad |
---|
509 | if ( val > power ) { // subdivide value into printable 64-bit values |
---|
510 | base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive |
---|
511 | f.val = val % power; |
---|
512 | if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk |
---|
513 | // printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n", |
---|
514 | // f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 ); |
---|
515 | (ostype &)(os | f); |
---|
516 | if ( cnt == 1 ) { |
---|
517 | if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk |
---|
518 | nosep( os ); // no seperator between chunks |
---|
519 | } // if |
---|
520 | } else { // print start chunk |
---|
521 | f.val = val; |
---|
522 | // f.pc is unsigned => use wd |
---|
523 | if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; } |
---|
524 | else { f.flags.pc = false; f.pc = 0; } |
---|
525 | |
---|
526 | if ( ! f.flags.left ) { // right justify |
---|
527 | wd = f.wd - maxdig * cnt; |
---|
528 | f.wd = wd < 0 ? 1 : wd; |
---|
529 | wd = maxdig; |
---|
530 | } else { // left justify |
---|
531 | if ( cnt != 0 ) { // value >= 2^64 ? |
---|
532 | unsigned int dig, bs = 0; |
---|
533 | // compute size of prefix digits and base |
---|
534 | if ( f.base == 'd' || f.base == 'u' ) { // no base prefix |
---|
535 | dig = ceil( log10( f.val ) ); // use floating-point |
---|
536 | if ( f.base == 'd' && (f.flags.neg || f.flags.sign) ) bs = 1; // sign ? |
---|
537 | } else { |
---|
538 | dig = ceiling_div( high1( f.val ), bits ); |
---|
539 | if ( ! f.flags.nobsdp ) { // base prefix ? |
---|
540 | if ( f.base == 'o' ) { |
---|
541 | // 0 prefix for octal is not added for precision with leading zero |
---|
542 | if ( f.pc <= dig ) bs = 1; // 1 character prefix |
---|
543 | } else bs = 2; // 2 character prefix |
---|
544 | } // if |
---|
545 | } // if |
---|
546 | wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ? |
---|
547 | if ( wd < 0 ) wd = 1; |
---|
548 | f.wd = 1; |
---|
549 | } // if |
---|
550 | // all manipulators handled implicitly for value < 2^64 |
---|
551 | } // if |
---|
552 | // prior checks ensure wd not negative |
---|
553 | |
---|
554 | if ( f.flags.neg ) f.val = -f.val; |
---|
555 | // printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n", |
---|
556 | // f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 ); |
---|
557 | (ostype &)(os | f); |
---|
558 | |
---|
559 | // remaining middle and end chunks are padded with 0s on the left |
---|
560 | if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s |
---|
561 | else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision |
---|
562 | |
---|
563 | if ( cnt != 0 ) nosep( os ); // no seperator between chunks |
---|
564 | f.wd = wd; // reset f.wd for next chunk |
---|
565 | f.flags.sign = false; // no leading +/- sign |
---|
566 | f.flags.nobsdp = true; // no leading base prefix |
---|
567 | } // if |
---|
568 | } // base_128 |
---|
569 | |
---|
570 | #define INTEGRAL_FMT_IMPL128( T ) \ |
---|
571 | forall( ostype & | basic_ostream( ostype ) ) { \ |
---|
572 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
---|
573 | _Ostream_Manip(uint64_t) fmt; \ |
---|
574 | fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \ |
---|
575 | if ( f.base == 'b' | f.base == 'B' ) { \ |
---|
576 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \ |
---|
577 | } else if ( f.base == 'o' ) { \ |
---|
578 | base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \ |
---|
579 | } else if ( f.base == 'd' || f.base == 'u' ) { \ |
---|
580 | if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \ |
---|
581 | base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \ |
---|
582 | } else { \ |
---|
583 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \ |
---|
584 | } /* if */ \ |
---|
585 | return os; \ |
---|
586 | } /* ?|? */ \ |
---|
587 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
588 | } // distribution |
---|
589 | |
---|
590 | INTEGRAL_FMT_IMPL128( int128 ) |
---|
591 | INTEGRAL_FMT_IMPL128( unsigned int128 ) |
---|
592 | #endif // __SIZEOF_INT128__ |
---|
593 | |
---|
594 | // *********************************** floating point *********************************** |
---|
595 | |
---|
596 | static const char *suffixes[] = { |
---|
597 | "y", "z", "a", "f", "p", "n", "u", "m", "", |
---|
598 | "K", "M", "G", "T", "P", "E", "Z", "Y" |
---|
599 | }; |
---|
600 | #define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */ |
---|
601 | #define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char *) - 1) * 3)) |
---|
602 | |
---|
603 | #define PRINT_WITH_DP2( os, format, ... ) \ |
---|
604 | { \ |
---|
605 | if ( ! f.flags.eng ) { \ |
---|
606 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \ |
---|
607 | if ( isfinite( f.val ) && ! f.flags.nobsdp ) { /* if number, print decimal point when no fraction or exponent */ \ |
---|
608 | for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E' && \ |
---|
609 | buf[i] != 'p' && buf[i] != 'P'; i += 1 ); /* decimal point or scientific ? */ \ |
---|
610 | if ( i == len ) { \ |
---|
611 | if ( ! f.flags.left ) { \ |
---|
612 | buf[i] = '.'; buf[i + 1] = '\0'; \ |
---|
613 | if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \ |
---|
614 | } else { \ |
---|
615 | for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \ |
---|
616 | buf[i] = '.'; \ |
---|
617 | if ( i == len ) buf[i + 1] = '\0'; \ |
---|
618 | } /* if */ \ |
---|
619 | } /* if */ \ |
---|
620 | } /* if */ \ |
---|
621 | } else { \ |
---|
622 | int exp10, len2; \ |
---|
623 | eng( f.val, f.pc, exp10 ); /* changes arguments */ \ |
---|
624 | /* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \ |
---|
625 | if ( ! f.flags.left && f.wd > 1 ) { \ |
---|
626 | /* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \ |
---|
627 | f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \ |
---|
628 | if ( f.wd < 1 ) f.wd = 1; \ |
---|
629 | } /* if */ \ |
---|
630 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \ |
---|
631 | if ( f.flags.left ) { \ |
---|
632 | for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \ |
---|
633 | len += 1; \ |
---|
634 | } /* if */ \ |
---|
635 | if ( ! f.flags.nobsdp || (exp10 < SUFFIXES_START) || (exp10 > SUFFIXES_END) ) { \ |
---|
636 | len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \ |
---|
637 | } else { \ |
---|
638 | len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \ |
---|
639 | } /* if */ \ |
---|
640 | if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \ |
---|
641 | } /* if */ \ |
---|
642 | fmt( os, "%s", &buf[bufbeg] ); \ |
---|
643 | } |
---|
644 | |
---|
645 | #define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \ |
---|
646 | forall( ostype & | basic_ostream( ostype ) ) { \ |
---|
647 | static void eng( T &value, int & pc, int & exp10 ) { \ |
---|
648 | exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \ |
---|
649 | if ( exp10 < 0 ) exp10 -= 2; \ |
---|
650 | exp10 = floor( exp10, 3 ); \ |
---|
651 | value *= pow( 10.0, -exp10 ); \ |
---|
652 | if ( pc < 0 ) pc = 3; \ |
---|
653 | } /* eng */ \ |
---|
654 | \ |
---|
655 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
---|
656 | enum { size = 48 }; \ |
---|
657 | char buf[size]; \ |
---|
658 | int bufbeg = 0, i, len; \ |
---|
659 | \ |
---|
660 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \ |
---|
661 | char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \ |
---|
662 | if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \ |
---|
663 | else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \ |
---|
664 | int star = 5; /* position before first '*' */ \ |
---|
665 | \ |
---|
666 | /* Insert flags into spaces before '*', from right to left. */ \ |
---|
667 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ |
---|
668 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \ |
---|
669 | if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \ |
---|
670 | fmtstr[star] = '\''; star -= 1; /* locale */ \ |
---|
671 | fmtstr[star] = '%'; \ |
---|
672 | \ |
---|
673 | if ( ! f.flags.pc ) { /* no precision */ \ |
---|
674 | fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
675 | /* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \ |
---|
676 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \ |
---|
677 | } else { /* precision */ \ |
---|
678 | fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
679 | /* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \ |
---|
680 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \ |
---|
681 | } /* if */ \ |
---|
682 | return os; \ |
---|
683 | } /* ?|? */ \ |
---|
684 | \ |
---|
685 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
686 | } // distribution |
---|
687 | |
---|
688 | FLOATING_POINT_FMT_IMPL( double, " * ", " *.* " ) |
---|
689 | FLOATING_POINT_FMT_IMPL( long double, " *L ", " *.*L " ) |
---|
690 | |
---|
691 | // *********************************** character *********************************** |
---|
692 | |
---|
693 | forall( ostype & | basic_ostream( ostype ) ) { |
---|
694 | ostype & ?|?( ostype & os, _Ostream_Manip(char) f ) { |
---|
695 | if ( f.base != 'c' ) { // bespoke binary/octal/hex format |
---|
696 | _Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} }; |
---|
697 | fmtuc.flags.pc = f.flags.pc; |
---|
698 | fmtuc.flags.nobsdp = f.flags.nobsdp; |
---|
699 | // os | fmtuc | nonl; |
---|
700 | (ostype &)(os | fmtuc); |
---|
701 | return os; |
---|
702 | } // if |
---|
703 | |
---|
704 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
---|
705 | |
---|
706 | #define CFMTNP "% * " |
---|
707 | char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0' |
---|
708 | memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) ); |
---|
709 | int star = 1; // position before first '*' |
---|
710 | |
---|
711 | // Insert flags into spaces before '*', from right to left. |
---|
712 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } |
---|
713 | fmtstr[star] = '%'; |
---|
714 | |
---|
715 | fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0' |
---|
716 | // printf( "%d %s\n", f.wd, &fmtstr[star] ); |
---|
717 | fmt( os, &fmtstr[star], f.wd, f.val ); |
---|
718 | return os; |
---|
719 | } // ?|? |
---|
720 | OSTYPE_VOID_IMPL( _Ostream_Manip(char) ) |
---|
721 | } // distribution |
---|
722 | |
---|
723 | // *********************************** C string *********************************** |
---|
724 | |
---|
725 | forall( ostype & | basic_ostream( ostype ) ) { |
---|
726 | ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f ) { |
---|
727 | if ( ! f.val ) return os; // null pointer ? |
---|
728 | |
---|
729 | if ( f.base != 's' ) { // bespoke binary/octal/hex format |
---|
730 | _Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} }; |
---|
731 | fmtuc.flags.pc = f.flags.pc; |
---|
732 | fmtuc.flags.nobsdp = f.flags.nobsdp; |
---|
733 | for ( i; 0 ~ @ : @; f.val[i] != '\0' ) { |
---|
734 | fmtuc.val = f.val[i]; |
---|
735 | // os | fmtuc | nonl; |
---|
736 | (ostype &)(os | fmtuc); |
---|
737 | } // for |
---|
738 | return os; |
---|
739 | } // if |
---|
740 | |
---|
741 | if ( f.val[0] != '\0' && // null string => no leading separator |
---|
742 | sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
---|
743 | |
---|
744 | #define SFMTNP "% * " |
---|
745 | #define SFMTP "% *.* " |
---|
746 | char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0' |
---|
747 | if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) ); |
---|
748 | else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) ); |
---|
749 | int star = 1; // position before first '*' |
---|
750 | |
---|
751 | // Insert flags into spaces before '*', from right to left. |
---|
752 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } |
---|
753 | fmtstr[star] = '%'; |
---|
754 | |
---|
755 | if ( ! f.flags.pc ) { // no precision |
---|
756 | // printf( "%d %s\n", f.wd, &fmtstr[star] ); |
---|
757 | fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0' |
---|
758 | fmt( os, &fmtstr[star], f.wd, f.val ); |
---|
759 | } else { // precision |
---|
760 | fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0' |
---|
761 | // printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] ); |
---|
762 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); |
---|
763 | } // if |
---|
764 | if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator |
---|
765 | return os; |
---|
766 | } // ?|? |
---|
767 | OSTYPE_VOID_IMPL( _Ostream_Manip(const char *) ) |
---|
768 | } // distribution |
---|
769 | |
---|
770 | |
---|
771 | // *********************************** istream *********************************** |
---|
772 | |
---|
773 | |
---|
774 | #define FALSE "false" |
---|
775 | #define TRUE "true" |
---|
776 | |
---|
777 | forall( istype & | basic_istream( istype ) ) { |
---|
778 | istype & ?|?( istype & is, bool & b ) { |
---|
779 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
780 | int len = -1; // len not set if no match |
---|
781 | // Optional leading whitespace at start of strings. |
---|
782 | fmt( is, " " FALSE "%n", &len ); // try false |
---|
783 | if ( len != sizeof( FALSE ) - 1 ) { // remove null terminate |
---|
784 | fmt( is, " " TRUE "%n", &len ); // try true |
---|
785 | if ( len != sizeof( TRUE ) - 1 ) throwResume ExceptionInst( missing_data ); |
---|
786 | b = true; |
---|
787 | } else { |
---|
788 | b = false; |
---|
789 | } // if |
---|
790 | return is; |
---|
791 | } // ?|? |
---|
792 | |
---|
793 | istype & ?|?( istype & is, char & c ) { |
---|
794 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
795 | char temp; |
---|
796 | for () { |
---|
797 | int args = fmt( is, "%c", &temp ); |
---|
798 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
799 | // do not overwrite parameter with newline unless appropriate |
---|
800 | if ( temp != '\n' || getANL$( is ) ) { c = temp; break; } |
---|
801 | if ( eof( is ) ) break; |
---|
802 | } // for |
---|
803 | return is; |
---|
804 | } // ?|? |
---|
805 | |
---|
806 | istype & ?|?( istype & is, signed char & sc ) { |
---|
807 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
808 | int args = fmt( is, "%hhi", &sc ); |
---|
809 | if ( args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
810 | return is; |
---|
811 | } // ?|? |
---|
812 | |
---|
813 | istype & ?|?( istype & is, unsigned char & usc ) { |
---|
814 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
815 | int args = fmt( is, "%hhi", &usc ); |
---|
816 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
817 | return is; |
---|
818 | } // ?|? |
---|
819 | |
---|
820 | istype & ?|?( istype & is, short int & si ) { |
---|
821 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
822 | int args = fmt( is, "%hi", &si ); |
---|
823 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
824 | return is; |
---|
825 | } // ?|? |
---|
826 | |
---|
827 | istype & ?|?( istype & is, unsigned short int & usi ) { |
---|
828 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
829 | int args = fmt( is, "%hi", &usi ); |
---|
830 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
831 | return is; |
---|
832 | } // ?|? |
---|
833 | |
---|
834 | istype & ?|?( istype & is, int & i ) { |
---|
835 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
836 | int args = fmt( is, "%i", &i ); |
---|
837 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
838 | return is; |
---|
839 | } // ?|? |
---|
840 | |
---|
841 | istype & ?|?( istype & is, unsigned int & ui ) { |
---|
842 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
843 | int args = fmt( is, "%i", &ui ); |
---|
844 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
845 | return is; |
---|
846 | } // ?|? |
---|
847 | |
---|
848 | istype & ?|?( istype & is, long int & li ) { |
---|
849 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
850 | int args = fmt( is, "%li", &li ); |
---|
851 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
852 | return is; |
---|
853 | } // ?|? |
---|
854 | |
---|
855 | istype & ?|?( istype & is, unsigned long int & ulli ) { |
---|
856 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
857 | int args = fmt( is, "%li", &ulli ); |
---|
858 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
859 | return is; |
---|
860 | } // ?|? |
---|
861 | |
---|
862 | istype & ?|?( istype & is, long long int & lli ) { |
---|
863 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
864 | int args = fmt( is, "%lli", &lli ); |
---|
865 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
866 | return is; |
---|
867 | } // ?|? |
---|
868 | |
---|
869 | istype & ?|?( istype & is, unsigned long long int & ulli ) { |
---|
870 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
871 | int args = fmt( is, "%lli", &ulli ); |
---|
872 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
873 | return is; |
---|
874 | } // ?|? |
---|
875 | |
---|
876 | #if defined( __SIZEOF_INT128__ ) |
---|
877 | istype & ?|?( istype & is, int128 & llli ) { |
---|
878 | return (istype &)(is | (unsigned int128 &)llli); |
---|
879 | } // ?|? |
---|
880 | |
---|
881 | istype & ?|?( istype & is, unsigned int128 & ullli ) { |
---|
882 | char s[40]; |
---|
883 | bool sign = false; |
---|
884 | |
---|
885 | if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ? |
---|
886 | // If the input is too large, the value returned is undefined. If there is no input, no value is returned |
---|
887 | if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining |
---|
888 | ullli = 0; |
---|
889 | for ( i; 0 ~ @ : @; s[i] != '\0' ) { |
---|
890 | ullli = ullli * 10 + s[i] - '0'; |
---|
891 | } // for |
---|
892 | if ( sign ) ullli = -ullli; |
---|
893 | } else if ( sign ) ungetc( '-', is ); // return minus when no digits |
---|
894 | return is; |
---|
895 | } // ?|? |
---|
896 | #endif // __SIZEOF_INT128__ |
---|
897 | |
---|
898 | istype & ?|?( istype & is, float & f ) { |
---|
899 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
900 | int args = fmt( is, "%f", &f ); |
---|
901 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
902 | return is; |
---|
903 | } // ?|? |
---|
904 | |
---|
905 | istype & ?|?( istype & is, double & d ) { |
---|
906 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
907 | int args = fmt( is, "%lf", &d ); |
---|
908 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
909 | return is; |
---|
910 | } // ?|? |
---|
911 | |
---|
912 | istype & ?|?( istype & is, long double & ld ) { |
---|
913 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
914 | int args = fmt( is, "%Lf", &ld ); |
---|
915 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
916 | return is; |
---|
917 | } // ?|? |
---|
918 | |
---|
919 | istype & ?|?( istype & is, float _Complex & fc ) { |
---|
920 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
921 | float re, im; |
---|
922 | int args = fmt( is, "%f%fi", &re, &im ); |
---|
923 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data ); |
---|
924 | fc = re + im * _Complex_I; |
---|
925 | return is; |
---|
926 | } // ?|? |
---|
927 | |
---|
928 | istype & ?|?( istype & is, double _Complex & dc ) { |
---|
929 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
930 | double re, im; |
---|
931 | int args = fmt( is, "%lf%lfi", &re, &im ); |
---|
932 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data ); |
---|
933 | dc = re + im * _Complex_I; |
---|
934 | return is; |
---|
935 | } // ?|? |
---|
936 | |
---|
937 | istype & ?|?( istype & is, long double _Complex & ldc ) { |
---|
938 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
939 | long double re, im; |
---|
940 | int args = fmt( is, "%Lf%Lfi", &re, &im ); |
---|
941 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data ); |
---|
942 | ldc = re + im * _Complex_I; |
---|
943 | return is; |
---|
944 | } // ?|? |
---|
945 | |
---|
946 | istype & ?|?( istype & is, const char fmt[] ) { // match text |
---|
947 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
948 | size_t len = strlen( fmt ); |
---|
949 | char fmtstr[len + 16]; |
---|
950 | strcpy( fmtstr, fmt ); // copy format and add %n |
---|
951 | strcpy( &fmtstr[len], "%n" ); |
---|
952 | len = -1; |
---|
953 | // scanf cursor does not move if no match |
---|
954 | fmt( is, fmtstr, &len ); |
---|
955 | if ( ! eof( is ) && len == -1 ) throwResume ExceptionInst( missing_data ); |
---|
956 | return is; |
---|
957 | } // ?|? |
---|
958 | |
---|
959 | // manipulators |
---|
960 | istype & ?|?( istype & is, istype & (* manip)( istype & ) ) { |
---|
961 | return manip( is ); |
---|
962 | } // ?|? |
---|
963 | |
---|
964 | void ?|?( istype & is, istype & (* manip)( istype & ) ) { |
---|
965 | manip( is ); |
---|
966 | } // ?|? |
---|
967 | |
---|
968 | istype & nl( istype & is ) { |
---|
969 | fmt( is, "%*[^\n]" ); // ignore characters to newline |
---|
970 | if ( ! eof( is ) ) fmt( is, "%*c" ); // read newline |
---|
971 | return is; |
---|
972 | } // nl |
---|
973 | |
---|
974 | istype & nlOn( istype & is ) { |
---|
975 | nlOn( is ); // call void returning |
---|
976 | return is; |
---|
977 | } // nlOn |
---|
978 | |
---|
979 | istype & nlOff( istype & is ) { |
---|
980 | nlOff( is ); // call void returning |
---|
981 | return is; |
---|
982 | } // nlOff |
---|
983 | } // distribution |
---|
984 | |
---|
985 | // *********************************** manipulators *********************************** |
---|
986 | |
---|
987 | forall( istype & | basic_istream( istype ) ) { |
---|
988 | istype & ?|?( istype & is, _Istream_Cskip f ) { |
---|
989 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
990 | if ( f.scanset ) { |
---|
991 | int nscanset = strlen(f.scanset); |
---|
992 | char fmtstr[ sizeof("%*[]") + nscanset ]; |
---|
993 | int pos = 0; |
---|
994 | strcpy( &fmtstr[pos], "%*[" ); pos += 3; |
---|
995 | strcpy( &fmtstr[pos], f.scanset ); pos += nscanset; |
---|
996 | strcpy( &fmtstr[pos], "]" ); |
---|
997 | fmt( is, fmtstr, "" ); // skip scanset, zero or more |
---|
998 | } else { |
---|
999 | char ch; |
---|
1000 | for ( f.wd ) { // skip N characters |
---|
1001 | int args = fmt( is, "%c", &ch ); |
---|
1002 | if ( args != 1 ) throwResume ExceptionInst( missing_data ); |
---|
1003 | } // for |
---|
1004 | } // if |
---|
1005 | return is; |
---|
1006 | } |
---|
1007 | |
---|
1008 | istype & ?|?( istype & is, _Istream_Cquoted f ) with( f.cstr ) { |
---|
1009 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
1010 | int args; |
---|
1011 | fini: { |
---|
1012 | char rfmt[5] = { ' ', delimiters[0], '%', 'n', '\0' }; |
---|
1013 | int len = -1; // may not be set in fmt |
---|
1014 | args = fmt( is, rfmt, &len ); // remove leading whitespace and quote |
---|
1015 | if ( eof( is ) || len == -1 ) break fini; |
---|
1016 | |
---|
1017 | // Change the remainder of the read into a getline by reseting the closing delimiter. |
---|
1018 | if ( delimiters[1] != '\0' ) { |
---|
1019 | delimiters[0] = delimiters[1]; |
---|
1020 | delimiters[1] = '\0'; |
---|
1021 | } // if |
---|
1022 | flags.delimiter = true; |
---|
1023 | return is | *(_Istream_Cstr *)&f; |
---|
1024 | } // fini |
---|
1025 | // read failed => no pattern match => set string to null |
---|
1026 | if ( ! flags.ignore && s != 0p && args == 0 ) s[0] = '\0'; |
---|
1027 | if ( args == 1 && eof( is ) ) { // data but scan ended at EOF |
---|
1028 | clear( is ); // => reset EOF => detect again on next read |
---|
1029 | } // if |
---|
1030 | return is; |
---|
1031 | } |
---|
1032 | |
---|
1033 | istype & ?|?( istype & is, _Istream_Cstr f ) with( f.cstr ) { |
---|
1034 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
---|
1035 | const char * scanset; |
---|
1036 | size_t nscanset = 0; |
---|
1037 | if ( flags.delimiter ) scanset = delimiters; // getline ? |
---|
1038 | else scanset = f.cstr.scanset; |
---|
1039 | if ( scanset ) nscanset = strlen( scanset ); |
---|
1040 | |
---|
1041 | char fmtstr[nscanset + 32]; // storage for scanset and format codes |
---|
1042 | fmtstr[0] = '%'; |
---|
1043 | int pos = 1; |
---|
1044 | int args; |
---|
1045 | bool check = true; |
---|
1046 | |
---|
1047 | if ( flags.ignore ) { check = false; fmtstr[1] = '*'; pos += 1; } |
---|
1048 | int rwd = wd; |
---|
1049 | if ( wd != -1 ) { // => just ignore versus ignore with width |
---|
1050 | // wd is buffer bytes available (for input chars + null terminator) |
---|
1051 | // rwd is count of input chars |
---|
1052 | // no maximum width necessary because text ignored => width is read width |
---|
1053 | if ( flags.rwd ) check = false; |
---|
1054 | else rwd = wd - 1; |
---|
1055 | assert( rwd > 0 ); |
---|
1056 | pos += sprintf( &fmtstr[pos], "%d", rwd ); |
---|
1057 | } // if |
---|
1058 | |
---|
1059 | if ( ! scanset ) { // %s, %*s, %ws, %*ws |
---|
1060 | // fprintf( stderr, "cstr %s\n", s ); |
---|
1061 | strcpy( &fmtstr[pos], "s%n" ); |
---|
1062 | int len = 0; // may not be set in fmt |
---|
1063 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*' |
---|
1064 | else args = fmt( is, fmtstr, s, &len ); |
---|
1065 | // fprintf( stderr, "cstr %s %d %d %d\n", fmtstr, args, len, f.cstr.wd ); |
---|
1066 | if ( check && len >= rwd && ! eof( is ) ) { // might not fit |
---|
1067 | char peek; |
---|
1068 | fmt( is, "%c", &peek ); // check for whitespace terminator |
---|
1069 | // fprintf( stderr, "peek %d '%c'\n", args, peek ); |
---|
1070 | if ( ! eof( is ) ) { // can only fail at eof |
---|
1071 | ungetc( peek, is ); |
---|
1072 | if ( ! isspace( peek ) ) throwResume ExceptionInst( cstring_length ); |
---|
1073 | } // if |
---|
1074 | } // if |
---|
1075 | // FIX ME: CFA strings need to be modified to NOT change the argument for this case, then this can be removed. |
---|
1076 | //fprintf( stderr, "cstr %d %d %d %d '%s'\n", flags.ignore, args, len, eof( is ), s ); |
---|
1077 | //if ( ! flags.ignore && args == 0 ) s[0]= '\0'; // read failed => no pattern match => set string to null |
---|
1078 | } else { |
---|
1079 | if ( flags.delimiter ) { // getline |
---|
1080 | int len = 0; // may not be set in fmt |
---|
1081 | if ( delimiters[2] != '\0' ) { // (quoted) read single character ? |
---|
1082 | sprintf( &fmtstr[pos], "c%%n" ); |
---|
1083 | } else { |
---|
1084 | sprintf( &fmtstr[pos], "[^%c]%%n", delimiters[0] ); |
---|
1085 | } // if |
---|
1086 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*' |
---|
1087 | else args = fmt( is, fmtstr, s, &len ); |
---|
1088 | |
---|
1089 | if ( check && len == rwd && ! eof( is ) ) { // might not fit |
---|
1090 | char peek; |
---|
1091 | fmt( is, "%c", &peek ); // check for delimiter |
---|
1092 | if ( ! eof( is ) ) { |
---|
1093 | if ( peek != delimiters[0] ) { |
---|
1094 | ungetc( peek, is ); |
---|
1095 | throwResume ExceptionInst( cstring_length ); |
---|
1096 | } // if |
---|
1097 | } // if |
---|
1098 | } else fmt( is, "%*c" ); // remove delimiter |
---|
1099 | } else { |
---|
1100 | // incl %[xxx], %*[xxx], %w[xxx], %*w[xxx] |
---|
1101 | // excl %[^xxx], %*[^xxx], %w[^xxx], %*w[^xxx] |
---|
1102 | sprintf( &fmtstr[pos], "[%s%s]%%n", flags.inex ? "^" : "", scanset ); |
---|
1103 | // fprintf( stderr, "incl/excl %s %d\n", fmtstr, wd ); |
---|
1104 | int len = 0; // may not be set in fmt |
---|
1105 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*' |
---|
1106 | else args = fmt( is, fmtstr, s, &len ); |
---|
1107 | // fprintf( stderr, "incl/excl %s \"%s\" %d %d %d %d %d %c\n", fmtstr, s, args, wd, len, eof( is ), check, s[wd] ); |
---|
1108 | if ( check && len == rwd && ! eof( is ) ) { // might not fit |
---|
1109 | // fprintf( stderr, "overflow\n" ); |
---|
1110 | char peek; |
---|
1111 | fmt( is, "%c", &peek ); // check for whitespace terminator |
---|
1112 | // fprintf( stderr, "peek %d '%c'\n", args, peek ); |
---|
1113 | if ( ! eof( is ) ) { |
---|
1114 | ungetc( peek, is ); |
---|
1115 | if ( flags.inex ^ strchr( scanset, peek ) != 0p ) throwResume ExceptionInst( cstring_length ); |
---|
1116 | } // if |
---|
1117 | } // if |
---|
1118 | } // if |
---|
1119 | if ( ! flags.ignore && args == 0 ) s[0]= '\0'; // read failed => no pattern match => set string to null |
---|
1120 | } // if |
---|
1121 | if ( args == 1 && eof( is ) ) { // data but scan ended at EOF |
---|
1122 | clear( is ); // => reset EOF => detect again on next read |
---|
1123 | } // if |
---|
1124 | return is; |
---|
1125 | } // ?|? |
---|
1126 | } // distribution |
---|
1127 | |
---|
1128 | #define INPUT_FMT_IMPL( T, CODE ) \ |
---|
1129 | forall( istype & | basic_istream( istype ) ) { \ |
---|
1130 | istype & ?|?( istype & is, _Istream_Manip(T) f ) { \ |
---|
1131 | enum { size = 16 }; \ |
---|
1132 | char fmtstr[size]; \ |
---|
1133 | if ( f.wd == -1 ) { \ |
---|
1134 | snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \ |
---|
1135 | } else { \ |
---|
1136 | snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \ |
---|
1137 | } /* if */ \ |
---|
1138 | /* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \ |
---|
1139 | fmt( is, fmtstr, &f.val ); \ |
---|
1140 | return is; \ |
---|
1141 | } /* ?|? */ \ |
---|
1142 | } // distribution |
---|
1143 | |
---|
1144 | INPUT_FMT_IMPL( char, "c" ) |
---|
1145 | INPUT_FMT_IMPL( signed char, "hhi" ) |
---|
1146 | INPUT_FMT_IMPL( unsigned char, "hhi" ) |
---|
1147 | INPUT_FMT_IMPL( signed short int, "hi" ) |
---|
1148 | INPUT_FMT_IMPL( unsigned short int, "hi" ) |
---|
1149 | INPUT_FMT_IMPL( signed int, "i" ) |
---|
1150 | INPUT_FMT_IMPL( unsigned int, "i" ) |
---|
1151 | INPUT_FMT_IMPL( signed long int, "li" ) |
---|
1152 | INPUT_FMT_IMPL( unsigned long int, "li" ) |
---|
1153 | INPUT_FMT_IMPL( signed long long int, "lli" ) |
---|
1154 | INPUT_FMT_IMPL( unsigned long long int, "lli" ) |
---|
1155 | |
---|
1156 | INPUT_FMT_IMPL( float, "f" ) |
---|
1157 | INPUT_FMT_IMPL( double, "lf" ) |
---|
1158 | INPUT_FMT_IMPL( long double, "Lf" ) |
---|
1159 | |
---|
1160 | forall( istype & | basic_istream( istype ) ) { |
---|
1161 | istype & ?|?( istype & is, _Istream_Manip(float _Complex) fc ) { |
---|
1162 | float re, im; |
---|
1163 | _Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore }; |
---|
1164 | is | fmtuc; |
---|
1165 | &fmtuc.val = &im; |
---|
1166 | is | fmtuc; |
---|
1167 | if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1168 | return is; |
---|
1169 | } // ?|? |
---|
1170 | |
---|
1171 | istype & ?|?( istype & is, _Istream_Manip(double _Complex) dc ) { |
---|
1172 | double re, im; |
---|
1173 | _Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore }; |
---|
1174 | is | fmtuc; |
---|
1175 | &fmtuc.val = &im; |
---|
1176 | is | fmtuc; |
---|
1177 | if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1178 | return is; |
---|
1179 | } // ?|? |
---|
1180 | |
---|
1181 | istype & ?|?( istype & is, _Istream_Manip(long double _Complex) ldc ) { |
---|
1182 | long double re, im; |
---|
1183 | _Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore }; |
---|
1184 | is | fmtuc; |
---|
1185 | &fmtuc.val = &im; |
---|
1186 | is | fmtuc; |
---|
1187 | if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1188 | return is; |
---|
1189 | } // ?|? |
---|
1190 | } // distribution |
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1191 | |
---|
1192 | |
---|
1193 | // Local Variables: // |
---|
1194 | // tab-width: 4 // |
---|
1195 | // compile-command: "cfa iostream.cfa" // |
---|
1196 | // End: // |
---|