| 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 : Mon Aug 14 23:07:20 2023
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| 13 | // Update Count : 1466
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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 <string.h> // strlen, strcmp, memcpy
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| 24 | extern "C" {
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| 25 | extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
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| 26 | extern int strcmp (const char *__s1, const char *__s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
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| 27 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
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| 28 | extern void *memcpy (void *__restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
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| 29 | } // extern "C"
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| 30 |
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| 31 | #include "math.hfa" // isfinite, floor, ceiling_div
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| 32 | #include "bitmanip.hfa" // high1
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| 33 |
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| 34 | #pragma GCC visibility push(default)
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| 35 |
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| 36 |
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| 37 | // *********************************** ostream ***********************************
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| 38 |
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| 39 |
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| 40 | forall( ostype & | basic_ostream( ostype ) ) {
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| 41 | ostype & ?|?( ostype & os, bool b ) {
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| 42 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 43 | fmt( os, "%s", b ? "true" : "false" );
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| 44 | return os;
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| 45 | } // ?|?
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| 46 | OSTYPE_VOID_IMPL( bool )
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| 47 |
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| 48 | ostype & ?|?( ostype & os, char c ) {
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| 49 | fmt( os, "%c", c );
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| 50 | if ( c == '\n' ) setNL$( os, true );
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| 51 | return nosep( os );
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| 52 | } // ?|?
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| 53 | OSTYPE_VOID_IMPL( char )
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| 54 |
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| 55 | ostype & ?|?( ostype & os, signed char sc ) {
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| 56 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 57 | fmt( os, "%'hhd", sc );
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| 58 | return os;
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| 59 | } // ?|?
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| 60 | OSTYPE_VOID_IMPL( signed char )
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| 61 |
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| 62 | ostype & ?|?( ostype & os, unsigned char usc ) {
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| 63 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 64 | fmt( os, "%'hhu", usc );
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| 65 | return os;
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| 66 | } // ?|?
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| 67 | OSTYPE_VOID_IMPL( unsigned char )
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| 68 |
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| 69 | ostype & ?|?( ostype & os, short int si ) {
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| 70 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 71 | fmt( os, "%'hd", si );
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| 72 | return os;
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| 73 | } // ?|?
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| 74 | OSTYPE_VOID_IMPL( short int )
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| 75 |
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| 76 | ostype & ?|?( ostype & os, unsigned short int usi ) {
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| 77 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 78 | fmt( os, "%'hu", usi );
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| 79 | return os;
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| 80 | } // ?|?
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| 81 | OSTYPE_VOID_IMPL( unsigned short int )
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| 82 |
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| 83 | ostype & ?|?( ostype & os, int i ) {
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| 84 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 85 | fmt( os, "%'d", i );
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| 86 | return os;
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| 87 | } // ?|?
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| 88 | OSTYPE_VOID_IMPL( int )
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| 89 |
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| 90 | ostype & ?|?( ostype & os, unsigned int ui ) {
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| 91 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 92 | fmt( os, "%'u", ui );
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| 93 | return os;
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| 94 | } // ?|?
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| 95 | OSTYPE_VOID_IMPL( unsigned int )
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| 96 |
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| 97 | ostype & ?|?( ostype & os, long int li ) {
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| 98 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 99 | fmt( os, "%'ld", li );
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| 100 | return os;
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| 101 | } // ?|?
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| 102 | OSTYPE_VOID_IMPL( long int )
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| 103 |
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| 104 | ostype & ?|?( ostype & os, unsigned long int uli ) {
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| 105 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 106 | fmt( os, "%'lu", uli );
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| 107 | return os;
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| 108 | } // ?|?
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| 109 | OSTYPE_VOID_IMPL( unsigned long int )
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| 110 |
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| 111 | ostype & ?|?( ostype & os, long long int lli ) {
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| 112 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 113 | fmt( os, "%'lld", lli );
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| 114 | return os;
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| 115 | } // ?|?
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| 116 | OSTYPE_VOID_IMPL( long long int )
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| 117 |
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| 118 | ostype & ?|?( ostype & os, unsigned long long int ulli ) {
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| 119 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 120 | fmt( os, "%'llu", ulli );
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| 121 | return os;
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| 122 | } // ?|?
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| 123 | OSTYPE_VOID_IMPL( unsigned long long int )
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| 124 |
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| 125 | #if defined( __SIZEOF_INT128__ )
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| 126 | // UINT64_MAX 18_446_744_073_709_551_615_ULL
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| 127 | #define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
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| 128 |
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| 129 | static inline void base10_128( ostype & os, unsigned int128 val ) {
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| 130 | #if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7
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| 131 | if ( val > P10_UINT64 ) {
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| 132 | #else
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| 133 | if ( (uint64_t)(val >> 64) != 0 || (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug
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| 134 | #endif // __GNUC_PREREQ(7,0)
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| 135 | base10_128( os, val / P10_UINT64 ); // recursive
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| 136 | fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
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| 137 | } else {
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| 138 | fmt( os, "%lu", (uint64_t)val );
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| 139 | } // if
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| 140 | } // base10_128
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| 141 |
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| 142 | static inline void base10_128( ostype & os, int128 val ) {
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| 143 | if ( val < 0 ) {
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| 144 | fmt( os, "-" ); // leading negative sign
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| 145 | val = -val;
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| 146 | } // if
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| 147 | base10_128( os, (unsigned int128)val ); // print zero/positive value
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| 148 | } // base10_128
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| 149 |
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| 150 | ostype & ?|?( ostype & os, int128 llli ) {
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| 151 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 152 | base10_128( os, llli );
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| 153 | return os;
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| 154 | } // ?|?
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| 155 | OSTYPE_VOID_IMPL( int128 )
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| 156 |
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| 157 | ostype & ?|?( ostype & os, unsigned int128 ullli ) {
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| 158 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 159 | base10_128( os, ullli );
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| 160 | return os;
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| 161 | } // ?|?
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| 162 | OSTYPE_VOID_IMPL( unsigned int128 )
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| 163 | #endif // __SIZEOF_INT128__
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| 164 |
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| 165 | #define PRINT_WITH_DP( os, format, val, ... ) \
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| 166 | { \
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| 167 | enum { size = 48 }; \
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| 168 | char buf[size]; \
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| 169 | int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
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| 170 | fmt( os, "%s", buf ); \
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| 171 | if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \
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| 172 | for ( i; 0 ~ @ ) { \
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| 173 | if ( i == len ) { fmt( os, "." ); break; } \
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| 174 | if ( buf[i] == '.' || buf[i] == 'e' || buf[i] == 'E' || \
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| 175 | buf[i] == 'p' || buf[i] == 'P' ) break; /* decimal point or scientific ? */ \
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| 176 | } /* for */ \
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| 177 | } /* if */ \
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| 178 | }
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| 179 |
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| 180 | ostype & ?|?( ostype & os, float f ) {
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| 181 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 182 | PRINT_WITH_DP( os, "%'g", f );
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| 183 | return os;
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| 184 | } // ?|?
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| 185 | OSTYPE_VOID_IMPL( float )
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| 186 |
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| 187 | ostype & ?|?( ostype & os, double d ) {
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| 188 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 189 | PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG );
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| 190 | return os;
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| 191 | } // ?|?
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| 192 | OSTYPE_VOID_IMPL( double )
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| 193 |
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| 194 | ostype & ?|?( ostype & os, long double ld ) {
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| 195 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 196 | PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG );
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| 197 | return os;
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| 198 | } // ?|?
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| 199 | OSTYPE_VOID_IMPL( long double )
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| 200 |
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| 201 | ostype & ?|?( ostype & os, float _Complex fc ) {
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| 202 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 203 | // os | crealf( fc ) | nonl;
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| 204 | PRINT_WITH_DP( os, "%'g", crealf( fc ) );
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| 205 | PRINT_WITH_DP( os, "%'+g", cimagf( fc ) );
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| 206 | fmt( os, "i" );
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| 207 | return os;
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| 208 | } // ?|?
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| 209 | OSTYPE_VOID_IMPL( float _Complex )
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| 210 |
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| 211 | ostype & ?|?( ostype & os, double _Complex dc ) {
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| 212 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 213 | // os | creal( dc ) | nonl;
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| 214 | PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG );
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| 215 | PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG );
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| 216 | fmt( os, "i" );
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| 217 | return os;
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| 218 | } // ?|?
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| 219 | OSTYPE_VOID_IMPL( double _Complex )
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| 220 |
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| 221 | ostype & ?|?( ostype & os, long double _Complex ldc ) {
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| 222 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 223 | // os | creall( ldc ) || nonl;
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| 224 | PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG );
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| 225 | PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG );
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| 226 | fmt( os, "i" );
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| 227 | return os;
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| 228 | } // ?|?
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| 229 | OSTYPE_VOID_IMPL( long double _Complex )
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| 230 |
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| 231 | ostype & ?|?( ostype & os, const char s[] ) {
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| 232 | enum { Open = 1, Close, OpenClose };
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| 233 | static const unsigned char mask[256] @= { // 256 covers all Latin-1 characters
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| 234 | // opening delimiters, no space after
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| 235 | ['('] : Open, ['['] : Open, ['{'] : Open,
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| 236 | ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
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| 237 | [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
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| 238 | // closing delimiters, no space before
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| 239 | [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
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| 240 | ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
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| 241 | [')'] : Close, [']'] : Close, ['}'] : Close,
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| 242 | // opening-closing delimiters, no space before or after
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| 243 | ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
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| 244 | [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
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| 245 | }; // mask
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| 246 |
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| 247 | if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer
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| 248 | if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator
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| 249 |
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| 250 | // first character IS NOT spacing or closing punctuation => add left separator
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| 251 | unsigned char ch = s[0]; // must make unsigned
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| 252 | if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
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| 253 | fmt( os, "%s", sepGetCur$( os ) );
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| 254 | } // if
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| 255 |
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| 256 | // if string starts line, must reset to determine open state because separator is off
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| 257 | sepReset$( os ); // reset separator
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| 258 |
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| 259 | // last character IS spacing or opening punctuation => turn off separator for next item
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| 260 | int len = strlen( s );
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| 261 | ch = s[len - 1]; // must make unsigned
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| 262 | fmt( os, "%s", s ); // fmt resets seperator, but reset it again
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| 263 | if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
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| 264 | sep( os );
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| 265 | } else {
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| 266 | nosep( os );
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| 267 | } // if
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| 268 | if ( ch == '\n' ) setNL$( os, true ); // check *AFTER* sepPrt$ call above as it resets NL flag
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| 269 | return os;
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| 270 | // return write( os, s, len );
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| 271 | } // ?|?
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| 272 | OSTYPE_VOID_IMPL( const char * )
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| 273 |
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| 274 | // ostype & ?|?( ostype & os, const char16_t s[] ) {
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| 275 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 276 | // fmt( os, "%ls", s );
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| 277 | // return os;
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| 278 | // } // ?|?
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| 279 |
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| 280 | // #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
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| 281 | // ostype & ?|?( ostype & os, const char32_t s[] ) {
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| 282 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 283 | // fmt( os, "%ls", s );
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| 284 | // return os;
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| 285 | // } // ?|?
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| 286 | // #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
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| 287 |
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| 288 | // ostype & ?|?( ostype & os, const wchar_t s[] ) {
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| 289 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 290 | // fmt( os, "%ls", s );
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| 291 | // return os;
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| 292 | // } // ?|?
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| 293 |
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| 294 | ostype & ?|?( ostype & os, const void * p ) {
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| 295 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 296 | fmt( os, "%p", p );
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| 297 | return os;
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| 298 | } // ?|?
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| 299 | OSTYPE_VOID_IMPL( const void * )
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| 300 |
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| 301 | // manipulators
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| 302 | ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
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| 303 | return manip( os );
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| 304 | } // ?|?
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| 305 | void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
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| 306 | manip( os );
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| 307 | if ( getPrt$( os ) ) ends( os ); // something printed ?
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| 308 | setPrt$( os, false ); // turn off
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| 309 | } // ?|?
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| 310 |
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| 311 | ostype & nl( ostype & os ) {
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| 312 | (ostype &)(os | '\n');
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| 313 | setPrt$( os, false ); // turn off
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| 314 | setNL$( os, true );
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| 315 | return nosep( os ); // prepare for next line
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| 316 | } // nl
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| 317 |
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| 318 | ostype & nonl( ostype & os ) {
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| 319 | setPrt$( os, false ); // turn off
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| 320 | return os;
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| 321 | } // nonl
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| 322 |
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| 323 | ostype & nlOn( ostype & os ) {
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| 324 | nlOn( os ); // call void returning
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| 325 | return os;
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| 326 | } // nlOn
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| 327 |
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| 328 | ostype & nlOff( ostype & os ) {
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| 329 | nlOff( os ); // call void returning
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| 330 | return os;
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| 331 | } // nlOff
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| 332 |
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| 333 | ostype & sepVal( ostype & os ) {
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| 334 | return (ostype &)(os | sepGet( os ));
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| 335 | } // sepVal
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| 336 |
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| 337 | ostype & sepTupleVal( ostype & os ) {
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| 338 | return os | sepGetTuple( os );
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| 339 | } // sepTupleVal
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| 340 |
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| 341 | ostype & sep( ostype & os ) {
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| 342 | sep( os ); // call void returning
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| 343 | return os;
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| 344 | } // sep
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| 345 |
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| 346 | ostype & nosep( ostype & os ) {
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| 347 | nosep( os ); // call void returning
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| 348 | return os;
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| 349 | } // nosep
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| 350 |
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| 351 | ostype & sepOn( ostype & os ) {
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| 352 | sepOn( os ); // call void returning
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| 353 | return os;
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|---|
| 354 | } // sepOn
|
|---|
| 355 |
|
|---|
| 356 | ostype & sepOff( ostype & os ) {
|
|---|
| 357 | sepOff( os ); // call void returning
|
|---|
| 358 | return os;
|
|---|
| 359 | } // sepOff
|
|---|
| 360 | } // distribution
|
|---|
| 361 |
|
|---|
| 362 | // tuples
|
|---|
| 363 | forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
|
|---|
| 364 | ostype & ?|?( ostype & os, T arg, Params rest ) {
|
|---|
| 365 | (ostype &)(os | arg); // print first argument
|
|---|
| 366 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
|
|---|
| 367 | (ostype &)(os | rest); // print remaining arguments
|
|---|
| 368 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator
|
|---|
| 369 | return os;
|
|---|
| 370 | } // ?|?
|
|---|
| 371 | void ?|?( ostype & os, T arg, Params rest ) {
|
|---|
| 372 | // (ostype &)(?|?( os, arg, rest )); ends( os );
|
|---|
| 373 | (ostype &)(os | arg); // print first argument
|
|---|
| 374 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
|
|---|
| 375 | (ostype &)(os | rest); // print remaining arguments
|
|---|
| 376 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator
|
|---|
| 377 | ends( os );
|
|---|
| 378 | } // ?|?
|
|---|
| 379 | } // distribution
|
|---|
| 380 |
|
|---|
| 381 | // writes the range [begin, end) to the given stream
|
|---|
| 382 | forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
|
|---|
| 383 | void write( iterator_type begin, iterator_type end, ostype & os ) {
|
|---|
| 384 | void print( elt_type i ) { os | i; }
|
|---|
| 385 | for_each( begin, end, print );
|
|---|
| 386 | } // ?|?
|
|---|
| 387 |
|
|---|
| 388 | void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
|
|---|
| 389 | void print( elt_type i ) { os | i; }
|
|---|
| 390 | for_each_reverse( begin, end, print );
|
|---|
| 391 | } // ?|?
|
|---|
| 392 | } // distribution
|
|---|
| 393 |
|
|---|
| 394 | // *********************************** manipulators ***********************************
|
|---|
| 395 |
|
|---|
| 396 | // *********************************** integral ***********************************
|
|---|
| 397 |
|
|---|
| 398 | static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
|
|---|
| 399 | static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
|
|---|
| 400 |
|
|---|
| 401 | // Default prefix for non-decimal prints is 0b, 0, 0x.
|
|---|
| 402 | #define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \
|
|---|
| 403 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 404 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \
|
|---|
| 405 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
|
|---|
| 406 | \
|
|---|
| 407 | if ( f.base == 'b' || f.base == 'B' ) { /* bespoke binary format */ \
|
|---|
| 408 | int bits = high1( f.val ); /* position of most significant bit */ \
|
|---|
| 409 | if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
|
|---|
| 410 | int spaces; \
|
|---|
| 411 | if ( ! f.flags.left ) { /* right justified ? */ \
|
|---|
| 412 | /* Note, base prefix then zero padding or spacing then prefix. */ \
|
|---|
| 413 | if ( f.flags.pc ) { \
|
|---|
| 414 | spaces = f.wd - f.pc; \
|
|---|
| 415 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 416 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \
|
|---|
| 417 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 418 | spaces = f.pc - bits; \
|
|---|
| 419 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 420 | } else { \
|
|---|
| 421 | spaces = f.wd - bits; \
|
|---|
| 422 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 423 | if ( f.flags.pad0 ) { \
|
|---|
| 424 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 425 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 426 | } else { \
|
|---|
| 427 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \
|
|---|
| 428 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 429 | } /* if */ \
|
|---|
| 430 | } /* if */ \
|
|---|
| 431 | } else { \
|
|---|
| 432 | if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
|
|---|
| 433 | if ( f.flags.pc ) { \
|
|---|
| 434 | spaces = f.pc - bits; \
|
|---|
| 435 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 436 | spaces = f.wd - f.pc; \
|
|---|
| 437 | } else { /* pad0 flag ignored with left flag */ \
|
|---|
| 438 | spaces = f.wd - bits; \
|
|---|
| 439 | } /* if */ \
|
|---|
| 440 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 441 | } /* if */ \
|
|---|
| 442 | int shift = floor( bits - 1, 4 ); \
|
|---|
| 443 | typeof( f.val ) temp = f.val; \
|
|---|
| 444 | fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
|
|---|
| 445 | for () { \
|
|---|
| 446 | shift -= 4; \
|
|---|
| 447 | if ( shift < 0 ) break; \
|
|---|
| 448 | temp = f.val; \
|
|---|
| 449 | fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
|
|---|
| 450 | } /* for */ \
|
|---|
| 451 | if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
|
|---|
| 452 | return os; \
|
|---|
| 453 | } /* if */ \
|
|---|
| 454 | \
|
|---|
| 455 | char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
|
|---|
| 456 | if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
|
|---|
| 457 | else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
|
|---|
| 458 | int star = 5; /* position before first '*' */ \
|
|---|
| 459 | \
|
|---|
| 460 | /* Insert flags into spaces before '*', from right to left. */ \
|
|---|
| 461 | if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
|
|---|
| 462 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
|
|---|
| 463 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
|
|---|
| 464 | if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
|
|---|
| 465 | fmtstr[star] = '\''; star -= 1; /* locale */ \
|
|---|
| 466 | fmtstr[star] = '%'; \
|
|---|
| 467 | \
|
|---|
| 468 | /* Special case printing 0 in hexadecimal as printf does not put the base. */ \
|
|---|
| 469 | if ( (f.base == 'x' | f.base == 'X') && ! f.flags.nobsdp && f.val == 0 ) { \
|
|---|
| 470 | fmt( os, f.base == 'x' ? "0x" : "0X" ); \
|
|---|
| 471 | f.wd -= 2; \
|
|---|
| 472 | if ( f.wd < 0 ) f.wd = 1; \
|
|---|
| 473 | } /* if */ \
|
|---|
| 474 | \
|
|---|
| 475 | if ( ! f.flags.pc ) { /* no precision */ \
|
|---|
| 476 | fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 477 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
|
|---|
| 478 | fmt( os, &fmtstr[star], f.wd, f.val ); \
|
|---|
| 479 | } else { /* precision */ \
|
|---|
| 480 | fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 481 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
|
|---|
| 482 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
|
|---|
| 483 | } /* if */ \
|
|---|
| 484 | return os; \
|
|---|
| 485 | } /* ?|? */ \
|
|---|
| 486 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
|
|---|
| 487 | } // distribution
|
|---|
| 488 |
|
|---|
| 489 | INTEGRAL_FMT_IMPL( signed char, " *hh ", " *.*hh " )
|
|---|
| 490 | INTEGRAL_FMT_IMPL( unsigned char, " *hh ", " *.*hh " )
|
|---|
| 491 | INTEGRAL_FMT_IMPL( signed short int, " *h ", " *.*h " )
|
|---|
| 492 | INTEGRAL_FMT_IMPL( unsigned short int, " *h ", " *.*h " )
|
|---|
| 493 | INTEGRAL_FMT_IMPL( signed int, " * ", " *.* " )
|
|---|
| 494 | INTEGRAL_FMT_IMPL( unsigned int, " * ", " *.* " )
|
|---|
| 495 | INTEGRAL_FMT_IMPL( signed long int, " *l ", " *.*l " )
|
|---|
| 496 | INTEGRAL_FMT_IMPL( unsigned long int, " *l ", " *.*l " )
|
|---|
| 497 | INTEGRAL_FMT_IMPL( signed long long int, " *ll ", " *.*ll " )
|
|---|
| 498 | INTEGRAL_FMT_IMPL( unsigned long long int, " *ll ", " *.*ll " )
|
|---|
| 499 |
|
|---|
| 500 |
|
|---|
| 501 | #if defined( __SIZEOF_INT128__ )
|
|---|
| 502 | // Default prefix for non-decimal prints is 0b, 0, 0x.
|
|---|
| 503 | forall( ostype & | basic_ostream( ostype ) )
|
|---|
| 504 | 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 ) {
|
|---|
| 505 | int wd = 1; // f.wd is never 0 because 0 implies left-pad
|
|---|
| 506 | if ( val > power ) { // subdivide value into printable 64-bit values
|
|---|
| 507 | base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
|
|---|
| 508 | f.val = val % power;
|
|---|
| 509 | if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
|
|---|
| 510 | // printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
|
|---|
| 511 | // 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 );
|
|---|
| 512 | (ostype &)(os | f);
|
|---|
| 513 | if ( cnt == 1 ) {
|
|---|
| 514 | if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
|
|---|
| 515 | nosep( os ); // no seperator between chunks
|
|---|
| 516 | } // if
|
|---|
| 517 | } else { // print start chunk
|
|---|
| 518 | f.val = val;
|
|---|
| 519 | // f.pc is unsigned => use wd
|
|---|
| 520 | if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
|
|---|
| 521 | else { f.flags.pc = false; f.pc = 0; }
|
|---|
| 522 |
|
|---|
| 523 | if ( ! f.flags.left ) { // right justify
|
|---|
| 524 | wd = f.wd - maxdig * cnt;
|
|---|
| 525 | f.wd = wd < 0 ? 1 : wd;
|
|---|
| 526 | wd = maxdig;
|
|---|
| 527 | } else { // left justify
|
|---|
| 528 | if ( cnt != 0 ) { // value >= 2^64 ?
|
|---|
| 529 | unsigned int dig, bs = 0;
|
|---|
| 530 | // compute size of prefix digits and base
|
|---|
| 531 | if ( f.base == 'd' || f.base == 'u' ) { // no base prefix
|
|---|
| 532 | dig = ceil( log10( f.val ) ); // use floating-point
|
|---|
| 533 | if ( f.base == 'd' && (f.flags.neg || f.flags.sign) ) bs = 1; // sign ?
|
|---|
| 534 | } else {
|
|---|
| 535 | dig = ceiling_div( high1( f.val ), bits );
|
|---|
| 536 | if ( ! f.flags.nobsdp ) { // base prefix ?
|
|---|
| 537 | if ( f.base == 'o' ) {
|
|---|
| 538 | // 0 prefix for octal is not added for precision with leading zero
|
|---|
| 539 | if ( f.pc <= dig ) bs = 1; // 1 character prefix
|
|---|
| 540 | } else bs = 2; // 2 character prefix
|
|---|
| 541 | } // if
|
|---|
| 542 | } // if
|
|---|
| 543 | wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
|
|---|
| 544 | if ( wd < 0 ) wd = 1;
|
|---|
| 545 | f.wd = 1;
|
|---|
| 546 | } // if
|
|---|
| 547 | // all manipulators handled implicitly for value < 2^64
|
|---|
| 548 | } // if
|
|---|
| 549 | // prior checks ensure wd not negative
|
|---|
| 550 |
|
|---|
| 551 | if ( f.flags.neg ) f.val = -f.val;
|
|---|
| 552 | // printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
|
|---|
| 553 | // 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 );
|
|---|
| 554 | (ostype &)(os | f);
|
|---|
| 555 |
|
|---|
| 556 | // remaining middle and end chunks are padded with 0s on the left
|
|---|
| 557 | if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
|
|---|
| 558 | else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
|
|---|
| 559 |
|
|---|
| 560 | if ( cnt != 0 ) nosep( os ); // no seperator between chunks
|
|---|
| 561 | f.wd = wd; // reset f.wd for next chunk
|
|---|
| 562 | f.flags.sign = false; // no leading +/- sign
|
|---|
| 563 | f.flags.nobsdp = true; // no leading base prefix
|
|---|
| 564 | } // if
|
|---|
| 565 | } // base_128
|
|---|
| 566 |
|
|---|
| 567 | #define INTEGRAL_FMT_IMPL128( T ) \
|
|---|
| 568 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 569 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \
|
|---|
| 570 | _Ostream_Manip(uint64_t) fmt; \
|
|---|
| 571 | fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
|
|---|
| 572 | if ( f.base == 'b' | f.base == 'B' ) { \
|
|---|
| 573 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
|
|---|
| 574 | } else if ( f.base == 'o' ) { \
|
|---|
| 575 | base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
|
|---|
| 576 | } else if ( f.base == 'd' || f.base == 'u' ) { \
|
|---|
| 577 | if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
|
|---|
| 578 | base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
|
|---|
| 579 | } else { \
|
|---|
| 580 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
|
|---|
| 581 | } /* if */ \
|
|---|
| 582 | return os; \
|
|---|
| 583 | } /* ?|? */ \
|
|---|
| 584 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
|
|---|
| 585 | } // distribution
|
|---|
| 586 |
|
|---|
| 587 | INTEGRAL_FMT_IMPL128( int128 )
|
|---|
| 588 | INTEGRAL_FMT_IMPL128( unsigned int128 )
|
|---|
| 589 | #endif // __SIZEOF_INT128__
|
|---|
| 590 |
|
|---|
| 591 | // *********************************** floating point ***********************************
|
|---|
| 592 |
|
|---|
| 593 | static const char *suffixes[] = {
|
|---|
| 594 | "y", "z", "a", "f", "p", "n", "u", "m", "",
|
|---|
| 595 | "K", "M", "G", "T", "P", "E", "Z", "Y"
|
|---|
| 596 | };
|
|---|
| 597 | #define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
|
|---|
| 598 | #define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char *) - 1) * 3))
|
|---|
| 599 |
|
|---|
| 600 | #define PRINT_WITH_DP2( os, format, ... ) \
|
|---|
| 601 | { \
|
|---|
| 602 | if ( ! f.flags.eng ) { \
|
|---|
| 603 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
|
|---|
| 604 | if ( isfinite( f.val ) && ! f.flags.nobsdp ) { /* if number, print decimal point when no fraction or exponent */ \
|
|---|
| 605 | for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E' && \
|
|---|
| 606 | buf[i] != 'p' && buf[i] != 'P'; i += 1 ); /* decimal point or scientific ? */ \
|
|---|
| 607 | if ( i == len ) { \
|
|---|
| 608 | if ( ! f.flags.left ) { \
|
|---|
| 609 | buf[i] = '.'; buf[i + 1] = '\0'; \
|
|---|
| 610 | if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
|
|---|
| 611 | } else { \
|
|---|
| 612 | for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
|
|---|
| 613 | buf[i] = '.'; \
|
|---|
| 614 | if ( i == len ) buf[i + 1] = '\0'; \
|
|---|
| 615 | } /* if */ \
|
|---|
| 616 | } /* if */ \
|
|---|
| 617 | } /* if */ \
|
|---|
| 618 | } else { \
|
|---|
| 619 | int exp10, len2; \
|
|---|
| 620 | eng( f.val, f.pc, exp10 ); /* changes arguments */ \
|
|---|
| 621 | /* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \
|
|---|
| 622 | if ( ! f.flags.left && f.wd > 1 ) { \
|
|---|
| 623 | /* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \
|
|---|
| 624 | f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \
|
|---|
| 625 | if ( f.wd < 1 ) f.wd = 1; \
|
|---|
| 626 | } /* if */ \
|
|---|
| 627 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
|
|---|
| 628 | if ( f.flags.left ) { \
|
|---|
| 629 | for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \
|
|---|
| 630 | len += 1; \
|
|---|
| 631 | } /* if */ \
|
|---|
| 632 | if ( ! f.flags.nobsdp || (exp10 < SUFFIXES_START) || (exp10 > SUFFIXES_END) ) { \
|
|---|
| 633 | len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \
|
|---|
| 634 | } else { \
|
|---|
| 635 | len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \
|
|---|
| 636 | } /* if */ \
|
|---|
| 637 | if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \
|
|---|
| 638 | } /* if */ \
|
|---|
| 639 | fmt( os, "%s", &buf[bufbeg] ); \
|
|---|
| 640 | }
|
|---|
| 641 |
|
|---|
| 642 | #define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \
|
|---|
| 643 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 644 | static void eng( T &value, int & pc, int & exp10 ) { \
|
|---|
| 645 | exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \
|
|---|
| 646 | if ( exp10 < 0 ) exp10 -= 2; \
|
|---|
| 647 | exp10 = floor( exp10, 3 ); \
|
|---|
| 648 | value *= pow( 10.0, -exp10 ); \
|
|---|
| 649 | if ( pc <= 3 ) pc = 3; \
|
|---|
| 650 | } /* eng */ \
|
|---|
| 651 | \
|
|---|
| 652 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \
|
|---|
| 653 | enum { size = 48 }; \
|
|---|
| 654 | char buf[size]; \
|
|---|
| 655 | int bufbeg = 0, i, len; \
|
|---|
| 656 | \
|
|---|
| 657 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
|
|---|
| 658 | char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \
|
|---|
| 659 | if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
|
|---|
| 660 | else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
|
|---|
| 661 | int star = 5; /* position before first '*' */ \
|
|---|
| 662 | \
|
|---|
| 663 | /* Insert flags into spaces before '*', from right to left. */ \
|
|---|
| 664 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
|
|---|
| 665 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
|
|---|
| 666 | if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
|
|---|
| 667 | fmtstr[star] = '\''; star -= 1; /* locale */ \
|
|---|
| 668 | fmtstr[star] = '%'; \
|
|---|
| 669 | \
|
|---|
| 670 | if ( ! f.flags.pc ) { /* no precision */ \
|
|---|
| 671 | fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 672 | /* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \
|
|---|
| 673 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \
|
|---|
| 674 | } else { /* precision */ \
|
|---|
| 675 | fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 676 | /* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
|
|---|
| 677 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
|
|---|
| 678 | } /* if */ \
|
|---|
| 679 | return os; \
|
|---|
| 680 | } /* ?|? */ \
|
|---|
| 681 | \
|
|---|
| 682 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
|
|---|
| 683 | } // distribution
|
|---|
| 684 |
|
|---|
| 685 | FLOATING_POINT_FMT_IMPL( double, " * ", " *.* " )
|
|---|
| 686 | FLOATING_POINT_FMT_IMPL( long double, " *L ", " *.*L " )
|
|---|
| 687 |
|
|---|
| 688 | // *********************************** character ***********************************
|
|---|
| 689 |
|
|---|
| 690 | forall( ostype & | basic_ostream( ostype ) ) {
|
|---|
| 691 | ostype & ?|?( ostype & os, _Ostream_Manip(char) f ) {
|
|---|
| 692 | if ( f.base != 'c' ) { // bespoke binary/octal/hex format
|
|---|
| 693 | _Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
|
|---|
| 694 | fmtuc.flags.pc = f.flags.pc;
|
|---|
| 695 | fmtuc.flags.nobsdp = f.flags.nobsdp;
|
|---|
| 696 | // os | fmtuc | nonl;
|
|---|
| 697 | (ostype &)(os | fmtuc);
|
|---|
| 698 | return os;
|
|---|
| 699 | } // if
|
|---|
| 700 |
|
|---|
| 701 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
|
|---|
| 702 |
|
|---|
| 703 | #define CFMTNP "% * "
|
|---|
| 704 | char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
|
|---|
| 705 | memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
|
|---|
| 706 | int star = 1; // position before first '*'
|
|---|
| 707 |
|
|---|
| 708 | // Insert flags into spaces before '*', from right to left.
|
|---|
| 709 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
|
|---|
| 710 | fmtstr[star] = '%';
|
|---|
| 711 |
|
|---|
| 712 | fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
|
|---|
| 713 | // printf( "%d %s\n", f.wd, &fmtstr[star] );
|
|---|
| 714 | fmt( os, &fmtstr[star], f.wd, f.val );
|
|---|
| 715 | return os;
|
|---|
| 716 | } // ?|?
|
|---|
| 717 | OSTYPE_VOID_IMPL( _Ostream_Manip(char) )
|
|---|
| 718 | } // distribution
|
|---|
| 719 |
|
|---|
| 720 | // *********************************** C string ***********************************
|
|---|
| 721 |
|
|---|
| 722 | forall( ostype & | basic_ostream( ostype ) ) {
|
|---|
| 723 | ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f ) {
|
|---|
| 724 | if ( ! f.val ) return os; // null pointer ?
|
|---|
| 725 |
|
|---|
| 726 | if ( f.base != 's' ) { // bespoke binary/octal/hex format
|
|---|
| 727 | _Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
|
|---|
| 728 | fmtuc.flags.pc = f.flags.pc;
|
|---|
| 729 | fmtuc.flags.nobsdp = f.flags.nobsdp;
|
|---|
| 730 | for ( i; 0 ~ @ : @; f.val[i] != '\0' ) {
|
|---|
| 731 | fmtuc.val = f.val[i];
|
|---|
| 732 | // os | fmtuc | nonl;
|
|---|
| 733 | (ostype &)(os | fmtuc);
|
|---|
| 734 | } // for
|
|---|
| 735 | return os;
|
|---|
| 736 | } // if
|
|---|
| 737 |
|
|---|
| 738 | if ( f.val[0] != '\0' && // null string => no leading separator
|
|---|
| 739 | sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
|
|---|
| 740 |
|
|---|
| 741 | #define SFMTNP "% * "
|
|---|
| 742 | #define SFMTP "% *.* "
|
|---|
| 743 | char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
|
|---|
| 744 | if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
|
|---|
| 745 | else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
|
|---|
| 746 | int star = 1; // position before first '*'
|
|---|
| 747 |
|
|---|
| 748 | // Insert flags into spaces before '*', from right to left.
|
|---|
| 749 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
|
|---|
| 750 | fmtstr[star] = '%';
|
|---|
| 751 |
|
|---|
| 752 | if ( ! f.flags.pc ) { // no precision
|
|---|
| 753 | // printf( "%d %s\n", f.wd, &fmtstr[star] );
|
|---|
| 754 | fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
|
|---|
| 755 | fmt( os, &fmtstr[star], f.wd, f.val );
|
|---|
| 756 | } else { // precision
|
|---|
| 757 | fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
|
|---|
| 758 | // printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
|
|---|
| 759 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
|
|---|
| 760 | } // if
|
|---|
| 761 | if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator
|
|---|
| 762 | return os;
|
|---|
| 763 | } // ?|?
|
|---|
| 764 | OSTYPE_VOID_IMPL( _Ostream_Manip(const char *) )
|
|---|
| 765 | } // distribution
|
|---|
| 766 |
|
|---|
| 767 |
|
|---|
| 768 | // *********************************** istream ***********************************
|
|---|
| 769 |
|
|---|
| 770 |
|
|---|
| 771 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 772 | istype & ?|?( istype & is, bool & b ) {
|
|---|
| 773 | char val[6];
|
|---|
| 774 | fmt( is, "%5s", val );
|
|---|
| 775 | if ( strcmp( val, "true" ) == 0 ) b = true;
|
|---|
| 776 | else if ( strcmp( val, "false" ) == 0 ) b = false;
|
|---|
| 777 | else {
|
|---|
| 778 | fprintf( stderr, "invalid Boolean constant\n" );
|
|---|
| 779 | abort(); // cannot use abort stream
|
|---|
| 780 | } // if
|
|---|
| 781 | return is;
|
|---|
| 782 | } // ?|?
|
|---|
| 783 | ISTYPE_VOID_IMPL( bool & )
|
|---|
| 784 |
|
|---|
| 785 | istype & ?|?( istype & is, char & c ) {
|
|---|
| 786 | char temp;
|
|---|
| 787 | for () {
|
|---|
| 788 | fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
|
|---|
| 789 | // do not overwrite parameter with newline unless appropriate
|
|---|
| 790 | if ( temp != '\n' || getANL$( is ) ) { c = temp; break; }
|
|---|
| 791 | if ( eof( is ) ) break;
|
|---|
| 792 | } // for
|
|---|
| 793 | return is;
|
|---|
| 794 | } // ?|?
|
|---|
| 795 | ISTYPE_VOID_IMPL( char & )
|
|---|
| 796 |
|
|---|
| 797 | istype & ?|?( istype & is, signed char & sc ) {
|
|---|
| 798 | fmt( is, "%hhi", &sc );
|
|---|
| 799 | return is;
|
|---|
| 800 | } // ?|?
|
|---|
| 801 | ISTYPE_VOID_IMPL( signed char & )
|
|---|
| 802 |
|
|---|
| 803 | istype & ?|?( istype & is, unsigned char & usc ) {
|
|---|
| 804 | fmt( is, "%hhi", &usc );
|
|---|
| 805 | return is;
|
|---|
| 806 | } // ?|?
|
|---|
| 807 | ISTYPE_VOID_IMPL( unsigned char & )
|
|---|
| 808 |
|
|---|
| 809 | istype & ?|?( istype & is, short int & si ) {
|
|---|
| 810 | fmt( is, "%hi", &si );
|
|---|
| 811 | return is;
|
|---|
| 812 | } // ?|?
|
|---|
| 813 | ISTYPE_VOID_IMPL( short int & )
|
|---|
| 814 |
|
|---|
| 815 | istype & ?|?( istype & is, unsigned short int & usi ) {
|
|---|
| 816 | fmt( is, "%hi", &usi );
|
|---|
| 817 | return is;
|
|---|
| 818 | } // ?|?
|
|---|
| 819 | ISTYPE_VOID_IMPL( unsigned short int & )
|
|---|
| 820 |
|
|---|
| 821 | istype & ?|?( istype & is, int & i ) {
|
|---|
| 822 | fmt( is, "%i", &i );
|
|---|
| 823 | return is;
|
|---|
| 824 | } // ?|?
|
|---|
| 825 | ISTYPE_VOID_IMPL( int & )
|
|---|
| 826 |
|
|---|
| 827 | istype & ?|?( istype & is, unsigned int & ui ) {
|
|---|
| 828 | fmt( is, "%i", &ui );
|
|---|
| 829 | return is;
|
|---|
| 830 | } // ?|?
|
|---|
| 831 | ISTYPE_VOID_IMPL( unsigned int & )
|
|---|
| 832 |
|
|---|
| 833 | istype & ?|?( istype & is, long int & li ) {
|
|---|
| 834 | fmt( is, "%li", &li );
|
|---|
| 835 | return is;
|
|---|
| 836 | } // ?|?
|
|---|
| 837 | ISTYPE_VOID_IMPL( long int & )
|
|---|
| 838 |
|
|---|
| 839 | istype & ?|?( istype & is, unsigned long int & ulli ) {
|
|---|
| 840 | fmt( is, "%li", &ulli );
|
|---|
| 841 | return is;
|
|---|
| 842 | } // ?|?
|
|---|
| 843 | ISTYPE_VOID_IMPL( unsigned long int & )
|
|---|
| 844 |
|
|---|
| 845 | istype & ?|?( istype & is, long long int & lli ) {
|
|---|
| 846 | fmt( is, "%lli", &lli );
|
|---|
| 847 | return is;
|
|---|
| 848 | } // ?|?
|
|---|
| 849 | ISTYPE_VOID_IMPL( long long int & )
|
|---|
| 850 |
|
|---|
| 851 | istype & ?|?( istype & is, unsigned long long int & ulli ) {
|
|---|
| 852 | fmt( is, "%lli", &ulli );
|
|---|
| 853 | return is;
|
|---|
| 854 | } // ?|?
|
|---|
| 855 | ISTYPE_VOID_IMPL( unsigned long long int & )
|
|---|
| 856 |
|
|---|
| 857 | #if defined( __SIZEOF_INT128__ )
|
|---|
| 858 | istype & ?|?( istype & is, int128 & llli ) {
|
|---|
| 859 | return (istype &)(is | (unsigned int128 &)llli);
|
|---|
| 860 | } // ?|?
|
|---|
| 861 | ISTYPE_VOID_IMPL( int128 & )
|
|---|
| 862 |
|
|---|
| 863 | istype & ?|?( istype & is, unsigned int128 & ullli ) {
|
|---|
| 864 | char s[40];
|
|---|
| 865 | bool sign = false;
|
|---|
| 866 |
|
|---|
| 867 | if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
|
|---|
| 868 | // If the input is too large, the value returned is undefined. If there is no input, no value is returned
|
|---|
| 869 | if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
|
|---|
| 870 | ullli = 0;
|
|---|
| 871 | for ( i; 0 ~ @ : @; s[i] != '\0' ) {
|
|---|
| 872 | ullli = ullli * 10 + s[i] - '0';
|
|---|
| 873 | } // for
|
|---|
| 874 | if ( sign ) ullli = -ullli;
|
|---|
| 875 | } else if ( sign ) ungetc( is, '-' ); // return minus when no digits
|
|---|
| 876 | return is;
|
|---|
| 877 | } // ?|?
|
|---|
| 878 | ISTYPE_VOID_IMPL( unsigned int128 & )
|
|---|
| 879 | #endif // __SIZEOF_INT128__
|
|---|
| 880 |
|
|---|
| 881 | istype & ?|?( istype & is, float & f ) {
|
|---|
| 882 | fmt( is, "%f", &f );
|
|---|
| 883 | return is;
|
|---|
| 884 | } // ?|?
|
|---|
| 885 | ISTYPE_VOID_IMPL( float & )
|
|---|
| 886 |
|
|---|
| 887 | istype & ?|?( istype & is, double & d ) {
|
|---|
| 888 | fmt( is, "%lf", &d );
|
|---|
| 889 | return is;
|
|---|
| 890 | } // ?|?
|
|---|
| 891 | ISTYPE_VOID_IMPL( double & )
|
|---|
| 892 |
|
|---|
| 893 | istype & ?|?( istype & is, long double & ld ) {
|
|---|
| 894 | fmt( is, "%Lf", &ld );
|
|---|
| 895 | return is;
|
|---|
| 896 | } // ?|?
|
|---|
| 897 | ISTYPE_VOID_IMPL( long double & )
|
|---|
| 898 |
|
|---|
| 899 | istype & ?|?( istype & is, float _Complex & fc ) {
|
|---|
| 900 | float re, im;
|
|---|
| 901 | fmt( is, "%f%fi", &re, &im );
|
|---|
| 902 | fc = re + im * _Complex_I;
|
|---|
| 903 | return is;
|
|---|
| 904 | } // ?|?
|
|---|
| 905 | ISTYPE_VOID_IMPL( float _Complex & )
|
|---|
| 906 |
|
|---|
| 907 | istype & ?|?( istype & is, double _Complex & dc ) {
|
|---|
| 908 | double re, im;
|
|---|
| 909 | fmt( is, "%lf%lfi", &re, &im );
|
|---|
| 910 | dc = re + im * _Complex_I;
|
|---|
| 911 | return is;
|
|---|
| 912 | } // ?|?
|
|---|
| 913 | ISTYPE_VOID_IMPL( double _Complex & )
|
|---|
| 914 |
|
|---|
| 915 | istype & ?|?( istype & is, long double _Complex & ldc ) {
|
|---|
| 916 | long double re, im;
|
|---|
| 917 | fmt( is, "%Lf%Lfi", &re, &im );
|
|---|
| 918 | ldc = re + im * _Complex_I;
|
|---|
| 919 | return is;
|
|---|
| 920 | } // ?|?
|
|---|
| 921 | ISTYPE_VOID_IMPL( long double _Complex & )
|
|---|
| 922 |
|
|---|
| 923 | // istype & ?|?( istype & is, const char fmt[] ) {
|
|---|
| 924 | // fmt( is, fmt, "" );
|
|---|
| 925 | // return is;
|
|---|
| 926 | // } // ?|?
|
|---|
| 927 |
|
|---|
| 928 | // istype & ?|?( istype & is, char s[] ) {
|
|---|
| 929 | // fmt( is, "%s", s );
|
|---|
| 930 | // return is;
|
|---|
| 931 | // } // ?|?
|
|---|
| 932 | // ISTYPE_VOID_IMPL( char * )
|
|---|
| 933 |
|
|---|
| 934 | // manipulators
|
|---|
| 935 | istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
|
|---|
| 936 | return manip( is );
|
|---|
| 937 | } // ?|?
|
|---|
| 938 |
|
|---|
| 939 | void ?|?( istype & is, istype & (* manip)( istype & ) ) {
|
|---|
| 940 | manip( is ); ends( is );
|
|---|
| 941 | } // ?|?
|
|---|
| 942 |
|
|---|
| 943 | istype & nl( istype & is ) {
|
|---|
| 944 | fmt( is, "%*[^\n]" ); // ignore characters to newline
|
|---|
| 945 | if ( ! eof( is ) && getANL$( is ) ) fmt( is, "%*c" ); // read newline
|
|---|
| 946 | return is;
|
|---|
| 947 | } // nl
|
|---|
| 948 |
|
|---|
| 949 | istype & nlOn( istype & is ) {
|
|---|
| 950 | nlOn( is ); // call void returning
|
|---|
| 951 | return is;
|
|---|
| 952 | } // nlOn
|
|---|
| 953 |
|
|---|
| 954 | istype & nlOff( istype & is ) {
|
|---|
| 955 | nlOff( is ); // call void returning
|
|---|
| 956 | return is;
|
|---|
| 957 | } // nlOff
|
|---|
| 958 | } // distribution
|
|---|
| 959 |
|
|---|
| 960 | // *********************************** manipulators ***********************************
|
|---|
| 961 |
|
|---|
| 962 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 963 | istype & ?|?( istype & is, _Istream_Cstr f ) {
|
|---|
| 964 | // skip
|
|---|
| 965 | if ( ! f.s ) {
|
|---|
| 966 | // printf( "skip %s %d\n", f.scanset, f.wd );
|
|---|
| 967 | if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
|
|---|
| 968 | else for ( f.wd ) fmt( is, "%*c" );
|
|---|
| 969 | return is;
|
|---|
| 970 | } // if
|
|---|
| 971 |
|
|---|
| 972 | // getline
|
|---|
| 973 | if ( f.flags.delimit ) {
|
|---|
| 974 | enum { size = 16 };
|
|---|
| 975 | char fmtstr[size];
|
|---|
| 976 | snprintf( fmtstr, size, "%%%d[^%c]s", f.wd, f.delimit );
|
|---|
| 977 | f.s[f.wd - 1] = '\0'; // insert sentinel
|
|---|
| 978 | int len = fmt( is, fmtstr, f.s ); // read upto delimiter
|
|---|
| 979 | if ( len == 0 ) f.s[0] = '\0'; // empty read => argument unchanged => set empty
|
|---|
| 980 | if ( f.s[f.wd - 1] != '\0' ) // sentinel overwritten ?
|
|---|
| 981 | throw (cstring_length){ &cstring_length_vt };
|
|---|
| 982 | if ( ! eof( is ) ) fmt( is, "%*c" ); // ignore delimiter
|
|---|
| 983 | return is;
|
|---|
| 984 | } // if
|
|---|
| 985 |
|
|---|
| 986 | size_t len = 0;
|
|---|
| 987 | if ( f.scanset ) len = strlen( f.scanset );
|
|---|
| 988 | char fmtstr[len + 16];
|
|---|
| 989 | int start = 1;
|
|---|
| 990 | fmtstr[0] = '%';
|
|---|
| 991 | if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
|
|---|
| 992 | if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
|
|---|
| 993 |
|
|---|
| 994 | if ( ! f.scanset ) {
|
|---|
| 995 | // %s, %*s, %ws, %*ws
|
|---|
| 996 | fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
|
|---|
| 997 | // printf( "cstr %s\n", fmtstr );
|
|---|
| 998 | } else {
|
|---|
| 999 | // incl %[xxx], %*[xxx], %w[xxx], %*w[xxx]
|
|---|
| 1000 | // excl %[^xxx], %*[^xxx], %w[^xxx], %*w[^xxx]
|
|---|
| 1001 | fmtstr[start] = '['; start += 1;
|
|---|
| 1002 | if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
|
|---|
| 1003 | strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
|
|---|
| 1004 | len += start;
|
|---|
| 1005 | fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
|
|---|
| 1006 | // printf( "incl/excl %s\n", fmtstr );
|
|---|
| 1007 | } // if
|
|---|
| 1008 |
|
|---|
| 1009 | int check = f.wd - 1;
|
|---|
| 1010 | if ( f.flags.rwd ) check += 1; // provide place for sentinel
|
|---|
| 1011 | f.s[check] = '\0'; // insert sentinel
|
|---|
| 1012 | fmt( is, fmtstr, f.s );
|
|---|
| 1013 | if ( f.s[check] != '\0' ) // sentinel overwritten ?
|
|---|
| 1014 | throw (cstring_length){ &cstring_length_vt };
|
|---|
| 1015 | return is;
|
|---|
| 1016 | } // ?|?
|
|---|
| 1017 | ISTYPE_VOID_IMPL( _Istream_Cstr )
|
|---|
| 1018 |
|
|---|
| 1019 | istype & ?|?( istype & is, _Istream_Char f ) {
|
|---|
| 1020 | fmt( is, "%*c" ); // argument variable unused
|
|---|
| 1021 | return is;
|
|---|
| 1022 | } // ?|?
|
|---|
| 1023 | ISTYPE_VOID_IMPL( _Istream_Char )
|
|---|
| 1024 | } // distribution
|
|---|
| 1025 |
|
|---|
| 1026 | #define INPUT_FMT_IMPL( T, CODE ) \
|
|---|
| 1027 | forall( istype & | basic_istream( istype ) ) { \
|
|---|
| 1028 | istype & ?|?( istype & is, _Istream_Manip(T) f ) { \
|
|---|
| 1029 | enum { size = 16 }; \
|
|---|
| 1030 | char fmtstr[size]; \
|
|---|
| 1031 | if ( f.wd == -1 ) { \
|
|---|
| 1032 | snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
|
|---|
| 1033 | } else { \
|
|---|
| 1034 | snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
|
|---|
| 1035 | } /* if */ \
|
|---|
| 1036 | /* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
|
|---|
| 1037 | fmt( is, fmtstr, &f.val ); \
|
|---|
| 1038 | return is; \
|
|---|
| 1039 | } /* ?|? */ \
|
|---|
| 1040 | ISTYPE_VOID_IMPL( _Istream_Manip(T) ) \
|
|---|
| 1041 | } // distribution
|
|---|
| 1042 |
|
|---|
| 1043 | INPUT_FMT_IMPL( signed char, "hhi" )
|
|---|
| 1044 | INPUT_FMT_IMPL( unsigned char, "hhi" )
|
|---|
| 1045 | INPUT_FMT_IMPL( signed short int, "hi" )
|
|---|
| 1046 | INPUT_FMT_IMPL( unsigned short int, "hi" )
|
|---|
| 1047 | INPUT_FMT_IMPL( signed int, "i" )
|
|---|
| 1048 | INPUT_FMT_IMPL( unsigned int, "i" )
|
|---|
| 1049 | INPUT_FMT_IMPL( signed long int, "li" )
|
|---|
| 1050 | INPUT_FMT_IMPL( unsigned long int, "li" )
|
|---|
| 1051 | INPUT_FMT_IMPL( signed long long int, "lli" )
|
|---|
| 1052 | INPUT_FMT_IMPL( unsigned long long int, "lli" )
|
|---|
| 1053 |
|
|---|
| 1054 | INPUT_FMT_IMPL( float, "f" )
|
|---|
| 1055 | INPUT_FMT_IMPL( double, "lf" )
|
|---|
| 1056 | INPUT_FMT_IMPL( long double, "Lf" )
|
|---|
| 1057 |
|
|---|
| 1058 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 1059 | istype & ?|?( istype & is, _Istream_Manip(float _Complex) fc ) {
|
|---|
| 1060 | float re, im;
|
|---|
| 1061 | _Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
|
|---|
| 1062 | is | fmtuc;
|
|---|
| 1063 | &fmtuc.val = &im;
|
|---|
| 1064 | is | fmtuc;
|
|---|
| 1065 | if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1066 | return is;
|
|---|
| 1067 | } // ?|?
|
|---|
| 1068 | ISTYPE_VOID_IMPL( _Istream_Manip(float _Complex) )
|
|---|
| 1069 |
|
|---|
| 1070 | istype & ?|?( istype & is, _Istream_Manip(double _Complex) dc ) {
|
|---|
| 1071 | double re, im;
|
|---|
| 1072 | _Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
|
|---|
| 1073 | is | fmtuc;
|
|---|
| 1074 | &fmtuc.val = &im;
|
|---|
| 1075 | is | fmtuc;
|
|---|
| 1076 | if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1077 | return is;
|
|---|
| 1078 | } // ?|?
|
|---|
| 1079 | ISTYPE_VOID_IMPL( _Istream_Manip(double _Complex) )
|
|---|
| 1080 |
|
|---|
| 1081 | istype & ?|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
|
|---|
| 1082 | long double re, im;
|
|---|
| 1083 | _Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
|
|---|
| 1084 | is | fmtuc;
|
|---|
| 1085 | &fmtuc.val = &im;
|
|---|
| 1086 | is | fmtuc;
|
|---|
| 1087 | if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1088 | return is;
|
|---|
| 1089 | } // ?|?
|
|---|
| 1090 | ISTYPE_VOID_IMPL( _Istream_Manip(long double _Complex) )
|
|---|
| 1091 | } // distribution
|
|---|
| 1092 |
|
|---|
| 1093 |
|
|---|
| 1094 | // Local Variables: //
|
|---|
| 1095 | // tab-width: 4 //
|
|---|
| 1096 | // compile-command: "cfa iostream.cfa" //
|
|---|
| 1097 | // End: //
|
|---|
