| 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 May 4 12:00:48 2026
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| 13 | // Update Count : 2310
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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 ) with ( basic_ostream_table ) {
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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( os, bool )
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| 50 |
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| 51 | ostype & ?|?( ostype & os, char c ) with ( basic_ostream_table ) {
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| 52 | fmt( os, "%c", c );
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| 53 | if ( c == '\n' ) setNL$( os, true );
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| 54 | return nosep( os ); // no separator after char
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| 55 | } // ?|?
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| 56 | OSTYPE_VOID_IMPL( os, char )
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| 57 |
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| 58 | ostype & ?|?( ostype & os, signed char sc ) with ( basic_ostream_table ) {
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| 59 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 60 | fmt( os, "%'hhd", sc );
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| 61 | return os;
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| 62 | } // ?|?
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| 63 | OSTYPE_VOID_IMPL( os, signed char )
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| 64 |
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| 65 | ostype & ?|?( ostype & os, unsigned char usc ) with ( basic_ostream_table ) {
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| 66 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 67 | fmt( os, "%'hhu", usc );
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| 68 | return os;
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| 69 | } // ?|?
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| 70 | OSTYPE_VOID_IMPL( os, unsigned char )
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| 71 |
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| 72 | ostype & ?|?( ostype & os, short int si ) with ( basic_ostream_table ) {
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| 73 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 74 | fmt( os, "%'hd", si );
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| 75 | return os;
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| 76 | } // ?|?
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| 77 | OSTYPE_VOID_IMPL( os, short int )
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| 78 |
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| 79 | ostype & ?|?( ostype & os, unsigned short int usi ) with ( basic_ostream_table ) {
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| 80 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 81 | fmt( os, "%'hu", usi );
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| 82 | return os;
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| 83 | } // ?|?
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| 84 | OSTYPE_VOID_IMPL( os, unsigned short int )
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| 85 |
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| 86 | ostype & ?|?( ostype & os, int i ) with ( basic_ostream_table ) {
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| 87 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 88 | fmt( os, "%'d", i );
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| 89 | return os;
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| 90 | } // ?|?
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| 91 | OSTYPE_VOID_IMPL( os, int )
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| 92 |
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| 93 | ostype & ?|?( ostype & os, unsigned int ui ) with ( basic_ostream_table ) {
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| 94 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 95 | fmt( os, "%'u", ui );
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| 96 | return os;
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| 97 | } // ?|?
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| 98 | OSTYPE_VOID_IMPL( os, unsigned int )
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| 99 |
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| 100 | ostype & ?|?( ostype & os, long int li ) with ( basic_ostream_table ) {
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| 101 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 102 | fmt( os, "%'ld", li );
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| 103 | return os;
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| 104 | } // ?|?
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| 105 | OSTYPE_VOID_IMPL( os, long int )
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| 106 |
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| 107 | ostype & ?|?( ostype & os, unsigned long int uli ) with ( basic_ostream_table ) {
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| 108 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 109 | fmt( os, "%'lu", uli );
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| 110 | return os;
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| 111 | } // ?|?
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| 112 | OSTYPE_VOID_IMPL( os, unsigned long int )
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| 113 |
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| 114 | ostype & ?|?( ostype & os, long long int lli ) with ( basic_ostream_table ) {
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| 115 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 116 | fmt( os, "%'lld", lli );
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| 117 | return os;
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| 118 | } // ?|?
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| 119 | OSTYPE_VOID_IMPL( os, long long int )
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| 120 |
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| 121 | ostype & ?|?( ostype & os, unsigned long long int ulli ) with ( basic_ostream_table ) {
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| 122 | if ( sepPrt$( 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( os, 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 ) with ( basic_ostream_table ) {
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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 ) with ( basic_ostream_table ) {
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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 ) with ( basic_ostream_table ) {
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| 154 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 155 | base10_128( os, llli );
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| 156 | return os;
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| 157 | } // ?|?
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| 158 | OSTYPE_VOID_IMPL( os, int128 )
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| 159 |
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| 160 | ostype & ?|?( ostype & os, unsigned int128 ullli ) with ( basic_ostream_table ) {
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| 161 | if ( sepPrt$( 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( os, 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 ) with ( basic_ostream_table ) {
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| 184 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 185 | PRINT_WITH_DP( os, "%'g", f );
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| 186 | return os;
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| 187 | } // ?|?
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| 188 | OSTYPE_VOID_IMPL( os, float )
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| 189 |
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| 190 | ostype & ?|?( ostype & os, double d ) with ( basic_ostream_table ) {
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| 191 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 192 | PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG );
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| 193 | return os;
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| 194 | } // ?|?
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| 195 | OSTYPE_VOID_IMPL( os, double )
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| 196 |
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| 197 | ostype & ?|?( ostype & os, long double ld ) with ( basic_ostream_table ) {
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| 198 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 199 | PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG );
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| 200 | return os;
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| 201 | } // ?|?
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| 202 | OSTYPE_VOID_IMPL( os, long double )
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| 203 |
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| 204 | ostype & ?|?( ostype & os, float _Complex fc ) with ( basic_ostream_table ) {
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| 205 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 206 | PRINT_WITH_DP( os, "%'g", crealf( fc ) );
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| 207 | PRINT_WITH_DP( os, "%'+g", cimagf( fc ) );
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| 208 | fmt( os, "i" );
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| 209 | return os;
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| 210 | } // ?|?
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| 211 | OSTYPE_VOID_IMPL( os, float _Complex )
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| 212 |
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| 213 | ostype & ?|?( ostype & os, double _Complex dc ) with ( basic_ostream_table ) {
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| 214 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 215 | // os | creal( dc ) | nonl;
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| 216 | PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG );
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| 217 | PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG );
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| 218 | fmt( os, "i" );
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| 219 | return os;
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| 220 | } // ?|?
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| 221 | OSTYPE_VOID_IMPL( os, double _Complex )
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| 222 |
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| 223 | ostype & ?|?( ostype & os, long double _Complex ldc ) with ( basic_ostream_table ) {
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| 224 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 225 | // os | creall( ldc ) || nonl;
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| 226 | PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG );
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| 227 | PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG );
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| 228 | fmt( os, "i" );
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| 229 | return os;
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| 230 | } // ?|?
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| 231 | OSTYPE_VOID_IMPL( os, long double _Complex )
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| 232 |
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| 233 | ostype & ?|?( ostype & os, const char s[] ) with ( basic_ostream_table ) {
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| 234 | enum { Open = 1, Close, OpenClose };
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| 235 | static const unsigned char mask[256] @= { // 256 covers all Latin-1 characters
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| 236 | // opening delimiters, no space after
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| 237 | ['('] = Open, ['['] = Open, ['{'] = Open,
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| 238 | ['='] = Open, ['$'] = Open, [(unsigned char)'£'] = Open, [(unsigned char)'¥'] = Open,
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| 239 | [(unsigned char)'¡'] = Open, [(unsigned char)'¿'] = Open, [(unsigned char)'«'] = Open,
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| 240 | // closing delimiters, no space before
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| 241 | [','] = Close, ['.'] = Close, [';'] = Close, ['!'] = Close, ['?'] = Close,
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| 242 | ['%'] = Close, [(unsigned char)'¢'] = Close, [(unsigned char)'»'] = Close,
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| 243 | [')'] = Close, [']'] = Close, ['}'] = Close,
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| 244 | // opening-closing delimiters, no space before or after
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| 245 | ['\''] = OpenClose, ['`'] = OpenClose, ['"'] = OpenClose, [':'] = OpenClose,
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| 246 | [' '] = OpenClose, ['\f'] = OpenClose, ['\n'] = OpenClose, ['\r'] = OpenClose, ['\t'] = OpenClose, ['\v'] = OpenClose, // isspace
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| 247 | }; // mask
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| 248 |
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| 249 | if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer
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| 250 | if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator
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| 251 |
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| 252 | // first character IS NOT spacing or closing punctuation => add left separator
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| 253 | unsigned char ch = s[0]; // must make unsigned
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| 254 | if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
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| 255 | fmt( os, "%s", sepGetCur$( os ) );
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| 256 | } // if
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| 257 |
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| 258 | // if string starts line, must reset to determine open state because separator is off
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| 259 | sepReset$( os ); // reset separator
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| 260 |
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| 261 | // last character IS spacing or opening punctuation => turn off separator for next item
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| 262 | int len = strlen( s );
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| 263 | ch = s[len - 1]; // must make unsigned
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| 264 | fmt( os, "%s", s ); // fmt resets seperator, but reset it again
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| 265 | if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
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| 266 | sep( os );
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| 267 | } else {
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| 268 | nosep( os );
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| 269 | } // if
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| 270 | if ( ch == '\n' ) setNL$( os, true ); // check *AFTER* sepPrt$ call above as it resets NL flag
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| 271 | return os;
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| 272 | } // ?|?
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| 273 | OSTYPE_VOID_IMPL( os, const char * )
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| 274 |
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| 275 | // ostype & ?|?( ostype & os, const char16_t s[] ) {
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| 276 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 277 | // fmt( os, "%ls", s );
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| 278 | // return os;
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| 279 | // } // ?|?
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| 280 |
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| 281 | // #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
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| 282 | // ostype & ?|?( ostype & os, const char32_t s[] ) {
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| 283 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 284 | // fmt( os, "%ls", s );
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| 285 | // return os;
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| 286 | // } // ?|?
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| 287 | // #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
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| 288 |
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| 289 | // ostype & ?|?( ostype & os, const wchar_t s[] ) {
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| 290 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 291 | // fmt( os, "%ls", s );
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| 292 | // return os;
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| 293 | // } // ?|?
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| 294 |
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| 295 | ostype & ?|?( ostype & os, const void * p ) with ( basic_ostream_table ) {
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| 296 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
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| 297 | fmt( os, "%p", p );
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| 298 | return os;
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| 299 | } // ?|?
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| 300 | OSTYPE_VOID_IMPL( os, const void * )
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| 301 |
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| 302 | // manipulators
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| 303 | ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
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| 304 | return manip( os );
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| 305 | } // ?|?
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| 306 | void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) with ( basic_ostream_table ) {
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| 307 | manip( os );
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| 308 | if ( getPrt$( os ) ) ends( os ); // something printed ?
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| 309 | setPrt$( os, false ); // turn off
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| 310 | } // ?|?
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| 311 |
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| 312 | ostype & nl( ostype & os ) with ( basic_ostream_table ) {
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| 313 | (ostype &)(os | '\n');
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| 314 | setPrt$( os, false ); // turn off
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| 315 | setNL$( os, true );
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| 316 | return nosep( os ); // prepare for next line
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| 317 | } // nl
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| 318 |
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| 319 | ostype & nonl( ostype & os ) with ( basic_ostream_table ) {
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| 320 | setPrt$( os, false ); // turn off
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| 321 | return os;
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| 322 | } // nonl
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| 323 |
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| 324 | ostype & nlOn( ostype & os ) with ( basic_ostream_table ) {
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| 325 | nlOn( os ); // call void returning
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| 326 | return os;
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| 327 | } // nlOn
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| 328 |
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| 329 | ostype & nlOff( ostype & os ) with ( basic_ostream_table ) {
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| 330 | nlOff( os ); // call void returning
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| 331 | return os;
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| 332 | } // nlOff
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| 333 |
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| 334 | ostype & sepVal( ostype & os ) with ( basic_ostream_table ) {
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| 335 | return (ostype &)(os | sepGet( os ));
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| 336 | } // sepVal
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| 337 |
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| 338 | ostype & sepTupleVal( ostype & os ) with ( basic_ostream_table ) {
|
|---|
| 339 | return os | sepGetTuple( os );
|
|---|
| 340 | } // sepTupleVal
|
|---|
| 341 |
|
|---|
| 342 | ostype & sep( ostype & os ) with ( basic_ostream_table ) {
|
|---|
| 343 | sep( os ); // call void returning
|
|---|
| 344 | return os;
|
|---|
| 345 | } // sep
|
|---|
| 346 |
|
|---|
| 347 | ostype & nosep( ostype & os ) with ( basic_ostream_table ) {
|
|---|
| 348 | nosep( os ); // call void returning
|
|---|
| 349 | return os;
|
|---|
| 350 | } // nosep
|
|---|
| 351 |
|
|---|
| 352 | ostype & sepOn( ostype & os ) with ( basic_ostream_table ) {
|
|---|
| 353 | sepOn( os ); // call void returning
|
|---|
| 354 | return os;
|
|---|
| 355 | } // sepOn
|
|---|
| 356 |
|
|---|
| 357 | ostype & sepOff( ostype & os ) with ( basic_ostream_table ) {
|
|---|
| 358 | sepOff( os ); // call void returning
|
|---|
| 359 | return os;
|
|---|
| 360 | } // sepOff
|
|---|
| 361 | } // distribution
|
|---|
| 362 |
|
|---|
| 363 | // tuples
|
|---|
| 364 | forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
|
|---|
| 365 | ostype & ?|?( ostype & os, T arg, Params rest ) with ( basic_ostream_table ) {
|
|---|
| 366 | (ostype &)(os | arg); // print first argument
|
|---|
| 367 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
|
|---|
| 368 | (ostype &)(os | rest); // print remaining arguments
|
|---|
| 369 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator
|
|---|
| 370 | return os;
|
|---|
| 371 | } // ?|?
|
|---|
| 372 | void ?|?( ostype & os, T arg, Params rest ) with ( basic_ostream_table ) {
|
|---|
| 373 | // (ostype &)(?|?( os, arg, rest )); ends( os );
|
|---|
| 374 | (ostype &)(os | arg); // print first argument
|
|---|
| 375 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
|
|---|
| 376 | (ostype &)(os | rest); // print remaining arguments
|
|---|
| 377 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator
|
|---|
| 378 | ends( os );
|
|---|
| 379 | } // ?|?
|
|---|
| 380 | } // distribution
|
|---|
| 381 |
|
|---|
| 382 | // writes the range [begin, end) to the given stream
|
|---|
| 383 | forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
|
|---|
| 384 | void write( iterator_type begin, iterator_type end, ostype & os ) {
|
|---|
| 385 | void print( elt_type i ) { os | i; }
|
|---|
| 386 | for_each( begin, end, print );
|
|---|
| 387 | } // ?|?
|
|---|
| 388 |
|
|---|
| 389 | void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
|
|---|
| 390 | void print( elt_type i ) { os | i; }
|
|---|
| 391 | for_each_reverse( begin, end, print );
|
|---|
| 392 | } // ?|?
|
|---|
| 393 | } // distribution
|
|---|
| 394 |
|
|---|
| 395 | // *********************************** manipulators ***********************************
|
|---|
| 396 |
|
|---|
| 397 | // *********************************** integral ***********************************
|
|---|
| 398 |
|
|---|
| 399 | static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
|
|---|
| 400 | static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
|
|---|
| 401 |
|
|---|
| 402 | // Default prefix for non-decimal prints is 0b, 0, 0x.
|
|---|
| 403 | #define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \
|
|---|
| 404 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 405 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) with ( basic_ostream_table ) { \
|
|---|
| 406 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
|
|---|
| 407 | \
|
|---|
| 408 | if ( f.base == 'b' || f.base == 'B' ) { /* bespoke binary format */ \
|
|---|
| 409 | int bits = high1( f.val ); /* position of most significant bit */ \
|
|---|
| 410 | if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
|
|---|
| 411 | int spaces; \
|
|---|
| 412 | if ( ! f.flags.left ) { /* right justified ? */ \
|
|---|
| 413 | /* Note, base prefix then zero padding or spacing then prefix. */ \
|
|---|
| 414 | if ( f.flags.pc ) { \
|
|---|
| 415 | spaces = f.wd - f.pc; \
|
|---|
| 416 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 417 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \
|
|---|
| 418 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 419 | spaces = f.pc - bits; \
|
|---|
| 420 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 421 | } else { \
|
|---|
| 422 | spaces = f.wd - bits; \
|
|---|
| 423 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 424 | if ( f.flags.pad0 ) { \
|
|---|
| 425 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 426 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 427 | } else { \
|
|---|
| 428 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \
|
|---|
| 429 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
|
|---|
| 430 | } /* if */ \
|
|---|
| 431 | } /* if */ \
|
|---|
| 432 | } else { \
|
|---|
| 433 | if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
|
|---|
| 434 | if ( f.flags.pc ) { \
|
|---|
| 435 | spaces = f.pc - bits; \
|
|---|
| 436 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \
|
|---|
| 437 | spaces = f.wd - f.pc; \
|
|---|
| 438 | } else { /* pad0 flag ignored with left flag */ \
|
|---|
| 439 | spaces = f.wd - bits; \
|
|---|
| 440 | } /* if */ \
|
|---|
| 441 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
|
|---|
| 442 | } /* if */ \
|
|---|
| 443 | int shift = floor( bits - 1, 4 ); \
|
|---|
| 444 | typeof( f.val ) temp = f.val; \
|
|---|
| 445 | fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
|
|---|
| 446 | for () { \
|
|---|
| 447 | shift -= 4; \
|
|---|
| 448 | if ( shift < 0 ) break; \
|
|---|
| 449 | temp = f.val; \
|
|---|
| 450 | fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
|
|---|
| 451 | } /* for */ \
|
|---|
| 452 | if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
|
|---|
| 453 | return os; \
|
|---|
| 454 | } /* if */ \
|
|---|
| 455 | \
|
|---|
| 456 | char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
|
|---|
| 457 | if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
|
|---|
| 458 | else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
|
|---|
| 459 | int star = 5; /* position before first '*' */ \
|
|---|
| 460 | \
|
|---|
| 461 | /* Insert flags into spaces before '*', from right to left. */ \
|
|---|
| 462 | if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
|
|---|
| 463 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
|
|---|
| 464 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
|
|---|
| 465 | if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
|
|---|
| 466 | fmtstr[star] = '\''; star -= 1; /* locale */ \
|
|---|
| 467 | fmtstr[star] = '%'; \
|
|---|
| 468 | \
|
|---|
| 469 | /* Special case printing 0 in hexadecimal as printf does not put the base. */ \
|
|---|
| 470 | if ( (f.base == 'x' | f.base == 'X') && ! f.flags.nobsdp && f.val == 0 ) { \
|
|---|
| 471 | fmt( os, f.base == 'x' ? "0x" : "0X" ); \
|
|---|
| 472 | f.wd -= 2; \
|
|---|
| 473 | if ( f.wd < 0 ) f.wd = 1; \
|
|---|
| 474 | } /* if */ \
|
|---|
| 475 | \
|
|---|
| 476 | if ( ! f.flags.pc ) { /* no precision */ \
|
|---|
| 477 | fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 478 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
|
|---|
| 479 | fmt( os, &fmtstr[star], f.wd, f.val ); \
|
|---|
| 480 | } else { /* precision */ \
|
|---|
| 481 | fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 482 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
|
|---|
| 483 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
|
|---|
| 484 | } /* if */ \
|
|---|
| 485 | return os; \
|
|---|
| 486 | } /* ?|? */ \
|
|---|
| 487 | OSTYPE_VOID_IMPL( os, _Ostream_Manip(T) ) \
|
|---|
| 488 | } // distribution
|
|---|
| 489 |
|
|---|
| 490 | INTEGRAL_FMT_IMPL( signed char, " *hh ", " *.*hh " )
|
|---|
| 491 | INTEGRAL_FMT_IMPL( unsigned char, " *hh ", " *.*hh " )
|
|---|
| 492 | INTEGRAL_FMT_IMPL( signed short int, " *h ", " *.*h " )
|
|---|
| 493 | INTEGRAL_FMT_IMPL( unsigned short int, " *h ", " *.*h " )
|
|---|
| 494 | INTEGRAL_FMT_IMPL( signed int, " * ", " *.* " )
|
|---|
| 495 | INTEGRAL_FMT_IMPL( unsigned int, " * ", " *.* " )
|
|---|
| 496 | INTEGRAL_FMT_IMPL( signed long int, " *l ", " *.*l " )
|
|---|
| 497 | INTEGRAL_FMT_IMPL( unsigned long int, " *l ", " *.*l " )
|
|---|
| 498 | INTEGRAL_FMT_IMPL( signed long long int, " *ll ", " *.*ll " )
|
|---|
| 499 | INTEGRAL_FMT_IMPL( unsigned long long int, " *ll ", " *.*ll " )
|
|---|
| 500 |
|
|---|
| 501 |
|
|---|
| 502 | #if defined( __SIZEOF_INT128__ )
|
|---|
| 503 | // Default prefix for non-decimal prints is 0b, 0, 0x.
|
|---|
| 504 | forall( ostype & | basic_ostream( ostype ) )
|
|---|
| 505 | 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 ) {
|
|---|
| 506 | int wd = 1; // f.wd is never 0 because 0 implies left-pad
|
|---|
| 507 | if ( val > power ) { // subdivide value into printable 64-bit values
|
|---|
| 508 | base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
|
|---|
| 509 | f.val = val % power;
|
|---|
| 510 | if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
|
|---|
| 511 | // printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
|
|---|
| 512 | // 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 );
|
|---|
| 513 | (ostype &)(os | f);
|
|---|
| 514 | if ( cnt == 1 ) {
|
|---|
| 515 | if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
|
|---|
| 516 | nosep( os ); // no seperator between chunks
|
|---|
| 517 | } // if
|
|---|
| 518 | } else { // print start chunk
|
|---|
| 519 | f.val = val;
|
|---|
| 520 | // f.pc is unsigned => use wd
|
|---|
| 521 | if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
|
|---|
| 522 | else { f.flags.pc = false; f.pc = 0; }
|
|---|
| 523 |
|
|---|
| 524 | if ( ! f.flags.left ) { // right justify
|
|---|
| 525 | wd = f.wd - maxdig * cnt;
|
|---|
| 526 | f.wd = wd < 0 ? 1 : wd;
|
|---|
| 527 | wd = maxdig;
|
|---|
| 528 | } else { // left justify
|
|---|
| 529 | if ( cnt != 0 ) { // value >= 2^64 ?
|
|---|
| 530 | unsigned int dig, bs = 0;
|
|---|
| 531 | // compute size of prefix digits and base
|
|---|
| 532 | if ( f.base == 'd' || f.base == 'u' ) { // no base prefix
|
|---|
| 533 | dig = ceil( log10( f.val ) ); // use floating-point
|
|---|
| 534 | if ( f.base == 'd' && (f.flags.neg || f.flags.sign) ) bs = 1; // sign ?
|
|---|
| 535 | } else {
|
|---|
| 536 | dig = ceiling_div( high1( f.val ), bits );
|
|---|
| 537 | if ( ! f.flags.nobsdp ) { // base prefix ?
|
|---|
| 538 | if ( f.base == 'o' ) {
|
|---|
| 539 | // 0 prefix for octal is not added for precision with leading zero
|
|---|
| 540 | if ( f.pc <= dig ) bs = 1; // 1 character prefix
|
|---|
| 541 | } else bs = 2; // 2 character prefix
|
|---|
| 542 | } // if
|
|---|
| 543 | } // if
|
|---|
| 544 | wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
|
|---|
| 545 | if ( wd < 0 ) wd = 1;
|
|---|
| 546 | f.wd = 1;
|
|---|
| 547 | } // if
|
|---|
| 548 | // all manipulators handled implicitly for value < 2^64
|
|---|
| 549 | } // if
|
|---|
| 550 | // prior checks ensure wd not negative
|
|---|
| 551 |
|
|---|
| 552 | if ( f.flags.neg ) f.val = -f.val;
|
|---|
| 553 | // printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
|
|---|
| 554 | // 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 );
|
|---|
| 555 | (ostype &)(os | f);
|
|---|
| 556 |
|
|---|
| 557 | // remaining middle and end chunks are padded with 0s on the left
|
|---|
| 558 | if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
|
|---|
| 559 | else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
|
|---|
| 560 |
|
|---|
| 561 | if ( cnt != 0 ) nosep( os ); // no seperator between chunks
|
|---|
| 562 | f.wd = wd; // reset f.wd for next chunk
|
|---|
| 563 | f.flags.sign = false; // no leading +/- sign
|
|---|
| 564 | f.flags.nobsdp = true; // no leading base prefix
|
|---|
| 565 | } // if
|
|---|
| 566 | } // base_128
|
|---|
| 567 |
|
|---|
| 568 | #define INTEGRAL_FMT_IMPL128( T ) \
|
|---|
| 569 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 570 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \
|
|---|
| 571 | _Ostream_Manip(uint64_t) fmt; \
|
|---|
| 572 | fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
|
|---|
| 573 | if ( f.base == 'b' | f.base == 'B' ) { \
|
|---|
| 574 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
|
|---|
| 575 | } else if ( f.base == 'o' ) { \
|
|---|
| 576 | base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
|
|---|
| 577 | } else if ( f.base == 'd' || f.base == 'u' ) { \
|
|---|
| 578 | if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
|
|---|
| 579 | base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
|
|---|
| 580 | } else { \
|
|---|
| 581 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
|
|---|
| 582 | } /* if */ \
|
|---|
| 583 | return os; \
|
|---|
| 584 | } /* ?|? */ \
|
|---|
| 585 | OSTYPE_VOID_IMPL( os, _Ostream_Manip(T) ) \
|
|---|
| 586 | } // distribution
|
|---|
| 587 |
|
|---|
| 588 | INTEGRAL_FMT_IMPL128( int128 )
|
|---|
| 589 | INTEGRAL_FMT_IMPL128( unsigned int128 )
|
|---|
| 590 | #endif // __SIZEOF_INT128__
|
|---|
| 591 |
|
|---|
| 592 | // *********************************** floating point ***********************************
|
|---|
| 593 |
|
|---|
| 594 | static const char *suffixes[] = {
|
|---|
| 595 | "y", "z", "a", "f", "p", "n", "u", "m", "",
|
|---|
| 596 | "K", "M", "G", "T", "P", "E", "Z", "Y"
|
|---|
| 597 | };
|
|---|
| 598 | #define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
|
|---|
| 599 | #define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char *) - 1) * 3))
|
|---|
| 600 |
|
|---|
| 601 | // Float-point numbers without a fraction are always printed with a decimal point to reflect the constant type.
|
|---|
| 602 | // Programmers must explicitly disable printing the decimal point for values with no fraction using manipulator nodp.
|
|---|
| 603 | // printf supports printing the decimal point using flag #. However specifier g is broken with #.
|
|---|
| 604 | //
|
|---|
| 605 | // printf( "%g %#g %g %#g\n", 4., 4., 4.5, 4.5 );
|
|---|
| 606 | // 4 4.00000 4.5 4.50000
|
|---|
| 607 | //
|
|---|
| 608 | // when # is specified, g incorrectly prints 6 significant digits. As a result, # cannot be used to force printing of
|
|---|
| 609 | // the decimal point. Instead, any missing decimal point is manually added.
|
|---|
| 610 |
|
|---|
| 611 | #define PRINT_WITH_DP2( os, format, ... ) \
|
|---|
| 612 | { \
|
|---|
| 613 | if ( ! f.flags.eng ) { \
|
|---|
| 614 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
|
|---|
| 615 | if ( isfinite( f.val ) && ! f.flags.nobsdp ) { /* if number, print decimal point when no fraction or exponent */ \
|
|---|
| 616 | for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E' && \
|
|---|
| 617 | buf[i] != 'p' && buf[i] != 'P'; i += 1 ); /* decimal point or scientific ? */ \
|
|---|
| 618 | if ( i == len ) { \
|
|---|
| 619 | if ( ! f.flags.left ) { \
|
|---|
| 620 | buf[i] = '.'; buf[i + 1] = '\0'; \
|
|---|
| 621 | if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
|
|---|
| 622 | } else { \
|
|---|
| 623 | for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
|
|---|
| 624 | buf[i] = '.'; \
|
|---|
| 625 | if ( i == len ) buf[i + 1] = '\0'; \
|
|---|
| 626 | } /* if */ \
|
|---|
| 627 | } /* if */ \
|
|---|
| 628 | } /* if */ \
|
|---|
| 629 | } else { \
|
|---|
| 630 | int exp10, len2; \
|
|---|
| 631 | eng( f.val, f.pc, exp10 ); /* changes arguments */ \
|
|---|
| 632 | /* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \
|
|---|
| 633 | if ( ! f.flags.left && f.wd > 1 ) { \
|
|---|
| 634 | /* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \
|
|---|
| 635 | f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \
|
|---|
| 636 | if ( f.wd < 1 ) f.wd = 1; \
|
|---|
| 637 | } /* if */ \
|
|---|
| 638 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
|
|---|
| 639 | if ( f.flags.left ) { \
|
|---|
| 640 | for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \
|
|---|
| 641 | len += 1; \
|
|---|
| 642 | } /* if */ \
|
|---|
| 643 | if ( ! f.flags.nobsdp || (exp10 < SUFFIXES_START) || (exp10 > SUFFIXES_END) ) { \
|
|---|
| 644 | len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \
|
|---|
| 645 | } else { \
|
|---|
| 646 | len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \
|
|---|
| 647 | } /* if */ \
|
|---|
| 648 | if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \
|
|---|
| 649 | } /* if */ \
|
|---|
| 650 | fmt( os, "%s", &buf[bufbeg] ); \
|
|---|
| 651 | }
|
|---|
| 652 |
|
|---|
| 653 | #define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \
|
|---|
| 654 | forall( ostype & | basic_ostream( ostype ) ) { \
|
|---|
| 655 | static void eng( T & value, int & pc, int & exp10 ) { \
|
|---|
| 656 | exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \
|
|---|
| 657 | if ( exp10 < 0 ) exp10 -= 2; \
|
|---|
| 658 | exp10 = floor( exp10, 3 ); \
|
|---|
| 659 | value *= pow( 10.0, -exp10 ); \
|
|---|
| 660 | if ( pc < 0 ) pc = 3; \
|
|---|
| 661 | } /* eng */ \
|
|---|
| 662 | \
|
|---|
| 663 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) with ( basic_ostream_table ) { \
|
|---|
| 664 | enum { size = 48 }; \
|
|---|
| 665 | char buf[size]; \
|
|---|
| 666 | int bufbeg = 0, i, len; \
|
|---|
| 667 | \
|
|---|
| 668 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
|
|---|
| 669 | char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \
|
|---|
| 670 | if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
|
|---|
| 671 | else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
|
|---|
| 672 | int star = 5; /* position before first '*' */ \
|
|---|
| 673 | \
|
|---|
| 674 | /* Insert flags into spaces before '*', from right to left. */ \
|
|---|
| 675 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
|
|---|
| 676 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
|
|---|
| 677 | if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
|
|---|
| 678 | if ( f.base == 'f' && f.base == 'F' && f.base == 'g' && f.base == 'G' ) { fmtstr[star] = '\''; star -= 1; } /* locale only for f andg */ \
|
|---|
| 679 | else if ( ! f.flags.nobsdp && (f.base == 'a' || f.base == 'A') ) { fmtstr[star] = '#'; star -= 1; } /* hex special case to get decimal point */ \
|
|---|
| 680 | fmtstr[star] = '%'; \
|
|---|
| 681 | \
|
|---|
| 682 | if ( ! f.flags.pc ) { /* no precision */ \
|
|---|
| 683 | fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 684 | /* printf( "[%g %c %d %s]\n", f.val, f.base, f.wd, &fmtstr[star] ); */ \
|
|---|
| 685 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \
|
|---|
| 686 | } else { /* precision */ \
|
|---|
| 687 | fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
|
|---|
| 688 | /* printf( "[%g %c %d %d %s]\n", f.val, f.base, f.wd, f.pc, &fmtstr[star] ); */ \
|
|---|
| 689 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
|
|---|
| 690 | } /* if */ \
|
|---|
| 691 | return os; \
|
|---|
| 692 | } /* ?|? */ \
|
|---|
| 693 | \
|
|---|
| 694 | OSTYPE_VOID_IMPL( os, _Ostream_Manip(T) ) \
|
|---|
| 695 | } // distribution
|
|---|
| 696 |
|
|---|
| 697 | FLOATING_POINT_FMT_IMPL( double, " * ", " *.* " )
|
|---|
| 698 | FLOATING_POINT_FMT_IMPL( long double, " *L ", " *.*L " )
|
|---|
| 699 |
|
|---|
| 700 | // *********************************** character ***********************************
|
|---|
| 701 |
|
|---|
| 702 | forall( ostype & | basic_ostream( ostype ) ) {
|
|---|
| 703 | ostype & ?|?( ostype & os, _Ostream_Manip(char) f ) with ( basic_ostream_table ) {
|
|---|
| 704 | if ( f.base != 'c' ) { // bespoke binary/octal/hex format
|
|---|
| 705 | _Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
|
|---|
| 706 | fmtuc.flags.pc = f.flags.pc;
|
|---|
| 707 | fmtuc.flags.nobsdp = f.flags.nobsdp;
|
|---|
| 708 | return (ostype &)(os | fmtuc);
|
|---|
| 709 | } // if
|
|---|
| 710 | if ( f.flags.quote ) { // print as string
|
|---|
| 711 | char qv[] = { f.qleft, f.val, f.qright ? : f.qleft, '\0' };
|
|---|
| 712 | f.flags.quote = false; // already quoted
|
|---|
| 713 | _Ostream_Manip(const char *) fmtuc @= { qv, f.wd, f.pc, 's', {f.all} };
|
|---|
| 714 | (ostype &)(os | fmtuc);
|
|---|
| 715 | return nosep( os ); // no separator after char
|
|---|
| 716 | } // if
|
|---|
| 717 |
|
|---|
| 718 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
|
|---|
| 719 |
|
|---|
| 720 | #define CFMTNP "% *c"
|
|---|
| 721 | char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
|
|---|
| 722 | memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
|
|---|
| 723 | int star = 1; // position before first '*'
|
|---|
| 724 |
|
|---|
| 725 | // Insert flags into spaces before '*', from right to left.
|
|---|
| 726 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
|
|---|
| 727 | fmtstr[star] = '%';
|
|---|
| 728 |
|
|---|
| 729 | // printf( "%d %s\n", f.wd, &fmtstr[star] );
|
|---|
| 730 | fmt( os, &fmtstr[star], f.wd, f.val );
|
|---|
| 731 | return nosep( os ); // no separator after char
|
|---|
| 732 | } // ?|?
|
|---|
| 733 | OSTYPE_VOID_IMPL( os, _Ostream_Manip(char) )
|
|---|
| 734 | } // distribution
|
|---|
| 735 |
|
|---|
| 736 | // *********************************** C string ***********************************
|
|---|
| 737 |
|
|---|
| 738 | forall( ostype & | basic_ostream( ostype ) ) {
|
|---|
| 739 | ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f ) with ( basic_ostream_table ) {
|
|---|
| 740 | if ( ! f.val ) return os; // null pointer ?
|
|---|
| 741 |
|
|---|
| 742 | if ( f.base != 's' ) { // bespoke binary/octal/hex format
|
|---|
| 743 | _Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
|
|---|
| 744 | fmtuc.flags.pc = f.flags.pc;
|
|---|
| 745 | fmtuc.flags.nobsdp = f.flags.nobsdp;
|
|---|
| 746 | for ( i; 0 ~ @ : @; f.val[i] != '\0' ) {
|
|---|
| 747 | fmtuc.val = f.val[i];
|
|---|
| 748 | (ostype &)(os | fmtuc);
|
|---|
| 749 | } // for
|
|---|
| 750 | return os;
|
|---|
| 751 | } // if
|
|---|
| 752 | if ( f.flags.quote ) { // print as string
|
|---|
| 753 | int len = strlen( f.val );
|
|---|
| 754 | char qv[len + 3]; // space for quotes and '\0'
|
|---|
| 755 | qv[0] = f.qleft; strcpy( &qv[1], f.val );
|
|---|
| 756 | qv[len + 1] = f.qright ? : f.qleft; qv[len + 2] = '\0'; // copy string surrounded with quotes
|
|---|
| 757 | f.flags.quote = false; // already quoted
|
|---|
| 758 | _Ostream_Manip(const char *) fmtuc @= { qv, f.wd, f.pc, 's', {f.all} };
|
|---|
| 759 | return (ostype &)(os | fmtuc);
|
|---|
| 760 | } // if
|
|---|
| 761 |
|
|---|
| 762 | if ( f.val[0] != '\0' && // null string => no leading separator
|
|---|
| 763 | sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
|
|---|
| 764 |
|
|---|
| 765 | #define SFMTNP "% *s"
|
|---|
| 766 | #define SFMTP "% *.*s"
|
|---|
| 767 | char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
|
|---|
| 768 | if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
|
|---|
| 769 | else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
|
|---|
| 770 | int star = 1; // position before first '*'
|
|---|
| 771 |
|
|---|
| 772 | // Insert flags into spaces before '*', from right to left.
|
|---|
| 773 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
|
|---|
| 774 | fmtstr[star] = '%';
|
|---|
| 775 |
|
|---|
| 776 | if ( ! f.flags.pc ) { // no precision
|
|---|
| 777 | // printf( "%d %s\n", f.wd, &fmtstr[star] );
|
|---|
| 778 | fmt( os, &fmtstr[star], f.wd, f.val );
|
|---|
| 779 | } else { // precision
|
|---|
| 780 | // printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
|
|---|
| 781 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
|
|---|
| 782 | } // if
|
|---|
| 783 | if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator
|
|---|
| 784 | return os;
|
|---|
| 785 | } // ?|?
|
|---|
| 786 | OSTYPE_VOID_IMPL( os, _Ostream_Manip(const char *) )
|
|---|
| 787 | } // distribution
|
|---|
| 788 |
|
|---|
| 789 |
|
|---|
| 790 | // *********************************** istream ***********************************
|
|---|
| 791 |
|
|---|
| 792 |
|
|---|
| 793 | #define FALSE "false"
|
|---|
| 794 | #define TRUE "true"
|
|---|
| 795 |
|
|---|
| 796 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 797 | istype & ?|?( istype & is, bool & b ) with ( basic_istream_table ) {
|
|---|
| 798 | int len = -1; // len not set if no match
|
|---|
| 799 | fmt( is, " " ); // remove leading whitespace
|
|---|
| 800 | fmt( is, FALSE "%n", &len ); // try false, returns 0
|
|---|
| 801 | if ( len != sizeof( FALSE ) - 1 ) { // -1 removes null terminate
|
|---|
| 802 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 803 | fmt( is, " " ); // remove leading whitespace
|
|---|
| 804 | fmt( is, TRUE "%n", &len ); // try true, returns 0
|
|---|
| 805 | if ( len != sizeof( TRUE ) - 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 806 | b = true;
|
|---|
| 807 | } else {
|
|---|
| 808 | b = false;
|
|---|
| 809 | } // if
|
|---|
| 810 | return is;
|
|---|
| 811 | } // ?|?
|
|---|
| 812 |
|
|---|
| 813 | istype & ?|?( istype & is, char & c ) with ( basic_istream_table ) {
|
|---|
| 814 | char temp;
|
|---|
| 815 | for () {
|
|---|
| 816 | int args = fmt( is, "%c", &temp ); // can be called with EOF on
|
|---|
| 817 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 818 | assert( args == 1 ); // if not EOF => a single character must be read
|
|---|
| 819 | // do not overwrite parameter with newline unless appropriate
|
|---|
| 820 | if ( temp != '\n' || getANL$( is ) ) { c = temp; break; }
|
|---|
| 821 | } // for
|
|---|
| 822 | return is;
|
|---|
| 823 | } // ?|?
|
|---|
| 824 |
|
|---|
| 825 | istype & ?|?( istype & is, signed char & sc ) with ( basic_istream_table ) {
|
|---|
| 826 | int args = fmt( is, "%hhi", &sc ); // can be multiple characters (100)
|
|---|
| 827 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 828 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 829 | return is;
|
|---|
| 830 | } // ?|?
|
|---|
| 831 |
|
|---|
| 832 | istype & ?|?( istype & is, unsigned char & usc ) with ( basic_istream_table ) {
|
|---|
| 833 | int args = fmt( is, "%hhi", &usc ); // can be multiple characters (-100)
|
|---|
| 834 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 835 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 836 | return is;
|
|---|
| 837 | } // ?|?
|
|---|
| 838 |
|
|---|
| 839 | istype & ?|?( istype & is, short int & si ) with ( basic_istream_table ) {
|
|---|
| 840 | int args = fmt( is, "%hi", &si ); // can be called with EOF on
|
|---|
| 841 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 842 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 843 | return is;
|
|---|
| 844 | } // ?|?
|
|---|
| 845 |
|
|---|
| 846 | istype & ?|?( istype & is, unsigned short int & usi ) with ( basic_istream_table ) {
|
|---|
| 847 | int args = fmt( is, "%hi", &usi ); // can be called with EOF on
|
|---|
| 848 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 849 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 850 | return is;
|
|---|
| 851 | } // ?|?
|
|---|
| 852 |
|
|---|
| 853 | istype & ?|?( istype & is, int & i ) with ( basic_istream_table ) {
|
|---|
| 854 | int args = fmt( is, "%i", &i ); // can be called with EOF on
|
|---|
| 855 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 856 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 857 | return is;
|
|---|
| 858 | } // ?|?
|
|---|
| 859 |
|
|---|
| 860 | istype & ?|?( istype & is, unsigned int & ui ) with ( basic_istream_table ) {
|
|---|
| 861 | int args = fmt( is, "%i", &ui ); // can be called with EOF on
|
|---|
| 862 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 863 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 864 | return is;
|
|---|
| 865 | } // ?|?
|
|---|
| 866 |
|
|---|
| 867 | istype & ?|?( istype & is, long int & li ) with ( basic_istream_table ) {
|
|---|
| 868 | int args = fmt( is, "%li", &li ); // can be called with EOF on
|
|---|
| 869 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 870 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 871 | return is;
|
|---|
| 872 | } // ?|?
|
|---|
| 873 |
|
|---|
| 874 | istype & ?|?( istype & is, unsigned long int & ulli ) with ( basic_istream_table ) {
|
|---|
| 875 | int args = fmt( is, "%li", &ulli ); // can be called with EOF on
|
|---|
| 876 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 877 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 878 | return is;
|
|---|
| 879 | } // ?|?
|
|---|
| 880 |
|
|---|
| 881 | istype & ?|?( istype & is, long long int & lli ) with ( basic_istream_table ) {
|
|---|
| 882 | int args = fmt( is, "%lli", &lli ); // can be called with EOF on
|
|---|
| 883 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 884 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 885 | return is;
|
|---|
| 886 | } // ?|?
|
|---|
| 887 |
|
|---|
| 888 | istype & ?|?( istype & is, unsigned long long int & ulli ) with ( basic_istream_table ) {
|
|---|
| 889 | int args = fmt( is, "%lli", &ulli ); // can be called with EOF on
|
|---|
| 890 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 891 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 892 | return is;
|
|---|
| 893 | } // ?|?
|
|---|
| 894 |
|
|---|
| 895 | #if defined( __SIZEOF_INT128__ )
|
|---|
| 896 | istype & ?|?( istype & is, int128 & llli ) {
|
|---|
| 897 | return (istype &)(is | (unsigned int128 &)llli);
|
|---|
| 898 | } // ?|?
|
|---|
| 899 |
|
|---|
| 900 | istype & ?|?( istype & is, unsigned int128 & ullli ) with ( basic_istream_table ) {
|
|---|
| 901 | char s[40];
|
|---|
| 902 | bool sign = false;
|
|---|
| 903 |
|
|---|
| 904 | if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
|
|---|
| 905 | // If the input is too large, the value returned is undefined. If there is no input, no value is returned
|
|---|
| 906 | if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
|
|---|
| 907 | ullli = 0;
|
|---|
| 908 | for ( i; 0 ~ @ : @; s[i] != '\0' ) {
|
|---|
| 909 | ullli = ullli * 10 + s[i] - '0';
|
|---|
| 910 | } // for
|
|---|
| 911 | if ( sign ) ullli = -ullli;
|
|---|
| 912 | } // if
|
|---|
| 913 | return is;
|
|---|
| 914 | } // ?|?
|
|---|
| 915 | #endif // __SIZEOF_INT128__
|
|---|
| 916 |
|
|---|
| 917 | istype & ?|?( istype & is, float & f ) with ( basic_istream_table ) {
|
|---|
| 918 | int args = fmt( is, "%f", &f ); // can be called with EOF on
|
|---|
| 919 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 920 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 921 | return is;
|
|---|
| 922 | } // ?|?
|
|---|
| 923 |
|
|---|
| 924 | istype & ?|?( istype & is, double & d ) with ( basic_istream_table ) {
|
|---|
| 925 | int args = fmt( is, "%lf", &d ); // can be called with EOF on
|
|---|
| 926 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 927 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 928 | return is;
|
|---|
| 929 | } // ?|?
|
|---|
| 930 |
|
|---|
| 931 | istype & ?|?( istype & is, long double & ld ) with ( basic_istream_table ) {
|
|---|
| 932 | int args = fmt( is, "%Lf", &ld ); // can be called with EOF on
|
|---|
| 933 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 934 | if ( eof( is ) && args != 1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 935 | return is;
|
|---|
| 936 | } // ?|?
|
|---|
| 937 |
|
|---|
| 938 | istype & ?|?( istype & is, float _Complex & fc ) with ( basic_istream_table ) {
|
|---|
| 939 | float re, im;
|
|---|
| 940 | int args = fmt( is, "%f%fi", &re, &im ); // can be called with EOF on
|
|---|
| 941 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data );
|
|---|
| 942 | if ( eof( is ) && args != 2 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 943 | fc = re + im * _Complex_I;
|
|---|
| 944 | return is;
|
|---|
| 945 | } // ?|?
|
|---|
| 946 |
|
|---|
| 947 | istype & ?|?( istype & is, double _Complex & dc ) with ( basic_istream_table ) {
|
|---|
| 948 | double re, im;
|
|---|
| 949 | int args = fmt( is, "%lf%lfi", &re, &im ); // can be called with EOF on
|
|---|
| 950 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data );
|
|---|
| 951 | if ( eof( is ) && args != 2 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 952 | dc = re + im * _Complex_I;
|
|---|
| 953 | return is;
|
|---|
| 954 | } // ?|?
|
|---|
| 955 |
|
|---|
| 956 | istype & ?|?( istype & is, long double _Complex & ldc ) with ( basic_istream_table ) {
|
|---|
| 957 | long double re, im;
|
|---|
| 958 | int args = fmt( is, "%Lf%Lfi", &re, &im ); // can be called with EOF on
|
|---|
| 959 | if ( ! eof( is ) && args != 2 ) throwResume ExceptionInst( missing_data );
|
|---|
| 960 | if ( eof( is ) && args != 2 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 961 | ldc = re + im * _Complex_I;
|
|---|
| 962 | return is;
|
|---|
| 963 | } // ?|?
|
|---|
| 964 |
|
|---|
| 965 | istype & ?|?( istype & is, const char fmt[] ) with ( basic_istream_table ) { // match text
|
|---|
| 966 | size_t len = strlen( fmt );
|
|---|
| 967 | char fmtstr[len + 16];
|
|---|
| 968 | strcpy( fmtstr, fmt ); // copy format and add %n
|
|---|
| 969 | strcpy( &fmtstr[len], "%n" );
|
|---|
| 970 | len = -1;
|
|---|
| 971 | // scanf cursor does not move if no match, so eof cannot be detected.
|
|---|
| 972 | fmt( is, fmtstr, &len ); // can be called with EOF on
|
|---|
| 973 | if ( ! eof( is ) && len == -1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 974 | if ( eof( is ) && len == -1 ) throwResume ExceptionInst( end_of_file );
|
|---|
| 975 | return is;
|
|---|
| 976 | } // ?|?
|
|---|
| 977 |
|
|---|
| 978 | // manipulators
|
|---|
| 979 | istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
|
|---|
| 980 | return manip( is );
|
|---|
| 981 | } // ?|?
|
|---|
| 982 |
|
|---|
| 983 | void ?|?( istype & is, istype & (* manip)( istype & ) ) {
|
|---|
| 984 | manip( is );
|
|---|
| 985 | } // ?|?
|
|---|
| 986 |
|
|---|
| 987 | istype & nl( istype & is ) with ( basic_istream_table ) {
|
|---|
| 988 | fmt( is, "%*[^\n]" ); // ignore characters to newline
|
|---|
| 989 | if ( ! eof( is ) ) fmt( is, "%*c" ); // read newline
|
|---|
| 990 | return is;
|
|---|
| 991 | } // nl
|
|---|
| 992 |
|
|---|
| 993 | istype & nlOn( istype & is ) with ( basic_istream_table ) {
|
|---|
| 994 | nlOn( is ); // call void returning
|
|---|
| 995 | return is;
|
|---|
| 996 | } // nlOn
|
|---|
| 997 |
|
|---|
| 998 | istype & nlOff( istype & is ) with ( basic_istream_table ) {
|
|---|
| 999 | nlOff( is ); // call void returning
|
|---|
| 1000 | return is;
|
|---|
| 1001 | } // nlOff
|
|---|
| 1002 | } // distribution
|
|---|
| 1003 |
|
|---|
| 1004 | // *********************************** manipulators ***********************************
|
|---|
| 1005 |
|
|---|
| 1006 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 1007 | istype & ?|?( istype & is, _Istream_Cskip f ) with ( basic_istream_table ) {
|
|---|
| 1008 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1009 | if ( f.scanset ) {
|
|---|
| 1010 | int nscanset = strlen(f.scanset);
|
|---|
| 1011 | char fmtstr[ sizeof("%*[]") + nscanset ];
|
|---|
| 1012 | int pos = 0;
|
|---|
| 1013 | strcpy( &fmtstr[pos], "%*[" ); pos += 3;
|
|---|
| 1014 | strcpy( &fmtstr[pos], f.scanset ); pos += nscanset;
|
|---|
| 1015 | strcpy( &fmtstr[pos], "]" );
|
|---|
| 1016 | fmt( is, fmtstr, "" ); // skip scanset, zero or more
|
|---|
| 1017 | } else {
|
|---|
| 1018 | char ch;
|
|---|
| 1019 | for ( f.wd ) { // skip N characters
|
|---|
| 1020 | int args = fmt( is, "%c", &ch ); // can be called with EOF on
|
|---|
| 1021 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
|
|---|
| 1022 | } // for
|
|---|
| 1023 | } // if
|
|---|
| 1024 | return is;
|
|---|
| 1025 | }
|
|---|
| 1026 |
|
|---|
| 1027 | istype & ?|?( istype & is, _Istream_Cquote f ) with( basic_istream_table, f.cstr ) {
|
|---|
| 1028 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1029 | int args;
|
|---|
| 1030 | fini: {
|
|---|
| 1031 | char rfmt[5] = { ' ', delimiters[0], '%', 'n', '\0' };
|
|---|
| 1032 | int len = -1; // may not be set in fmt
|
|---|
| 1033 | args = fmt( is, rfmt, &len ); // remove leading whitespace and quote
|
|---|
| 1034 | if ( eof( is ) || len == -1 ) break fini;
|
|---|
| 1035 |
|
|---|
| 1036 | // Change the remainder of the read into a getline by reseting the closing delimiter.
|
|---|
| 1037 | if ( delimiters[1] != '\0' ) {
|
|---|
| 1038 | delimiters[0] = delimiters[1];
|
|---|
| 1039 | delimiters[1] = '\0';
|
|---|
| 1040 | } // if
|
|---|
| 1041 | flags.delimiter = true;
|
|---|
| 1042 | return is | *(_Istream_Cstr *)&f;
|
|---|
| 1043 | } // fini
|
|---|
| 1044 | // read failed => no pattern match => set string to null
|
|---|
| 1045 | if ( ! flags.ignore && s != 0p && args == 0 ) s[0] = '\0';
|
|---|
| 1046 | if ( args == 1 && eof( is ) ) { // data but scan ended at EOF
|
|---|
| 1047 | clearerr( is ); // => reset EOF => detect again on next read
|
|---|
| 1048 | } // if
|
|---|
| 1049 | return is;
|
|---|
| 1050 | }
|
|---|
| 1051 |
|
|---|
| 1052 | istype & ?|?( istype & is, _Istream_Cstr f ) with( basic_istream_table, f.cstr ) {
|
|---|
| 1053 | assert(eof);
|
|---|
| 1054 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1055 | const char * scanset;
|
|---|
| 1056 | size_t nscanset = 0;
|
|---|
| 1057 | if ( flags.delimiter ) scanset = delimiters; // getline ?
|
|---|
| 1058 | else scanset = f.cstr.scanset;
|
|---|
| 1059 | if ( scanset ) nscanset = strlen( scanset );
|
|---|
| 1060 |
|
|---|
| 1061 | char fmtstr[nscanset + 32]; // storage for scanset and format codes
|
|---|
| 1062 | fmtstr[0] = '%';
|
|---|
| 1063 | int pos = 1;
|
|---|
| 1064 | int args;
|
|---|
| 1065 | bool check = true;
|
|---|
| 1066 |
|
|---|
| 1067 | if ( flags.ignore ) { check = false; fmtstr[1] = '*'; pos += 1; }
|
|---|
| 1068 | int rwd = wd;
|
|---|
| 1069 | if ( wd != -1 ) { // => just ignore versus ignore with width
|
|---|
| 1070 | // wd is buffer bytes available (for input chars + null terminator)
|
|---|
| 1071 | // rwd is count of input chars
|
|---|
| 1072 | // no maximum width necessary because text ignored => width is read width
|
|---|
| 1073 | if ( flags.rwd ) check = false;
|
|---|
| 1074 | else rwd = wd - 1;
|
|---|
| 1075 | assert( rwd > 0 );
|
|---|
| 1076 | pos += sprintf( &fmtstr[pos], "%d", rwd );
|
|---|
| 1077 | } // if
|
|---|
| 1078 |
|
|---|
| 1079 | if ( ! scanset ) { // %s, %*s, %ws, %*ws
|
|---|
| 1080 | // fprintf( stderr, "cstr %s\n", s );
|
|---|
| 1081 | strcpy( &fmtstr[pos], "s%n" );
|
|---|
| 1082 | int len = 0; // may not be set in fmt
|
|---|
| 1083 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*'
|
|---|
| 1084 | else args = fmt( is, fmtstr, s, &len );
|
|---|
| 1085 | // fprintf( stderr, "cstr %s %d %d %d\n", fmtstr, args, len, f.cstr.wd );
|
|---|
| 1086 |
|
|---|
| 1087 | // No data read and eof is on => true eof so raise exception.
|
|---|
| 1088 | if ( len == 0 && eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1089 |
|
|---|
| 1090 | if ( check && len >= rwd && ! eof( is ) ) { // might not fit
|
|---|
| 1091 | char peek;
|
|---|
| 1092 | fmt( is, "%c", &peek ); // check for whitespace terminator
|
|---|
| 1093 | // fprintf( stderr, "peek %d '%c'\n", args, peek );
|
|---|
| 1094 | if ( ! eof( is ) ) { // can only fail at eof
|
|---|
| 1095 | ungetc( peek, is );
|
|---|
| 1096 | if ( ! isspace( peek ) ) throwResume ExceptionInst( cstring_length );
|
|---|
| 1097 | } // if
|
|---|
| 1098 | } // if
|
|---|
| 1099 | // FIX ME: CFA strings need to be modified to NOT change the argument for this case, then this can be removed.
|
|---|
| 1100 | //fprintf( stderr, "cstr %d %d %d %d '%s'\n", flags.ignore, args, len, eof( is ), s );
|
|---|
| 1101 | //if ( ! flags.ignore && args == 0 ) s[0]= '\0'; // read failed => no pattern match => set string to null
|
|---|
| 1102 | } else {
|
|---|
| 1103 | if ( flags.delimiter ) { // getline
|
|---|
| 1104 | int len = 0; // may not be set in fmt
|
|---|
| 1105 | if ( delimiters[2] != '\0' ) { // (quote) read single character ?
|
|---|
| 1106 | sprintf( &fmtstr[pos], "c%%n" );
|
|---|
| 1107 | } else {
|
|---|
| 1108 | sprintf( &fmtstr[pos], "[^%c]%%n", delimiters[0] );
|
|---|
| 1109 | } // if
|
|---|
| 1110 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*'
|
|---|
| 1111 | else args = fmt( is, fmtstr, s, &len );
|
|---|
| 1112 |
|
|---|
| 1113 | // No data read and eof is on => true eof so raise exception.
|
|---|
| 1114 | if ( len == 0 && eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1115 |
|
|---|
| 1116 | if ( check && len == rwd && ! eof( is ) ) { // might not fit
|
|---|
| 1117 | char peek;
|
|---|
| 1118 | fmt( is, "%c", &peek ); // check for delimiter
|
|---|
| 1119 | if ( ! eof( is ) ) {
|
|---|
| 1120 | if ( peek != delimiters[0] ) {
|
|---|
| 1121 | ungetc( peek, is );
|
|---|
| 1122 | throwResume ExceptionInst( cstring_length );
|
|---|
| 1123 | } // if
|
|---|
| 1124 | } // if
|
|---|
| 1125 | } else fmt( is, "%*c" ); // remove delimiter
|
|---|
| 1126 | } else {
|
|---|
| 1127 | // incl %[xxx], %*[xxx], %w[xxx], %*w[xxx]
|
|---|
| 1128 | // excl %[^xxx], %*[^xxx], %w[^xxx], %*w[^xxx]
|
|---|
| 1129 | sprintf( &fmtstr[pos], "[%s%s]%%n", flags.inex ? "^" : "", scanset );
|
|---|
| 1130 | // fprintf( stderr, "incl/excl %s %d\n", fmtstr, wd );
|
|---|
| 1131 | int len = 0; // may not be set in fmt
|
|---|
| 1132 | if ( flags.ignore ) args = fmt( is, fmtstr, &len ); // no string argument for '*'
|
|---|
| 1133 | else args = fmt( is, fmtstr, s, &len );
|
|---|
| 1134 | // fprintf( stderr, "incl/excl %s \"%s\" %d %d %d %d %d %c\n", fmtstr, s, args, wd, len, eof( is ), check, s[wd] );
|
|---|
| 1135 |
|
|---|
| 1136 | // No data read and eof is on => true eof so raise exception.
|
|---|
| 1137 | if ( len == 0 && eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1138 |
|
|---|
| 1139 | if ( check && len == rwd && ! eof( is ) ) { // might not fit
|
|---|
| 1140 | // fprintf( stderr, "overflow\n" );
|
|---|
| 1141 | char peek;
|
|---|
| 1142 | fmt( is, "%c", &peek ); // check for whitespace terminator
|
|---|
| 1143 | // fprintf( stderr, "peek %d '%c'\n", args, peek );
|
|---|
| 1144 | if ( ! eof( is ) ) {
|
|---|
| 1145 | ungetc( peek, is );
|
|---|
| 1146 | if ( flags.inex ^ strchr( scanset, peek ) != 0p ) throwResume ExceptionInst( cstring_length );
|
|---|
| 1147 | } // if
|
|---|
| 1148 | } // if
|
|---|
| 1149 | } // if
|
|---|
| 1150 | if ( ! flags.ignore && args == 0 ) s[0]= '\0'; // read failed => no pattern match => set string to null
|
|---|
| 1151 | } // if
|
|---|
| 1152 | if ( args == 1 && eof( is ) ) { // data but scan ended at EOF
|
|---|
| 1153 | clearerr( is ); // => reset EOF => detect again on next read
|
|---|
| 1154 | } // if
|
|---|
| 1155 | return is;
|
|---|
| 1156 | } // ?|?
|
|---|
| 1157 | } // distribution
|
|---|
| 1158 |
|
|---|
| 1159 | #define INPUT_FMT_IMPL( T, CODE ) \
|
|---|
| 1160 | forall( istype & | basic_istream( istype ) ) { \
|
|---|
| 1161 | istype & ?|?( istype & is, _Istream_Manip(T) f ) with ( basic_istream_table ) { \
|
|---|
| 1162 | enum { size = 16 }; \
|
|---|
| 1163 | char fmtstr[size]; \
|
|---|
| 1164 | if ( f.wd == -1 ) { \
|
|---|
| 1165 | snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
|
|---|
| 1166 | } else { \
|
|---|
| 1167 | snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
|
|---|
| 1168 | } /* if */ \
|
|---|
| 1169 | /* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
|
|---|
| 1170 | fmt( is, fmtstr, &f.val ); \
|
|---|
| 1171 | return is; \
|
|---|
| 1172 | } /* ?|? */ \
|
|---|
| 1173 | } // distribution
|
|---|
| 1174 |
|
|---|
| 1175 | INPUT_FMT_IMPL( char, "c" )
|
|---|
| 1176 | INPUT_FMT_IMPL( signed char, "hhi" )
|
|---|
| 1177 | INPUT_FMT_IMPL( unsigned char, "hhi" )
|
|---|
| 1178 | INPUT_FMT_IMPL( signed short int, "hi" )
|
|---|
| 1179 | INPUT_FMT_IMPL( unsigned short int, "hi" )
|
|---|
| 1180 | INPUT_FMT_IMPL( signed int, "i" )
|
|---|
| 1181 | INPUT_FMT_IMPL( unsigned int, "i" )
|
|---|
| 1182 | INPUT_FMT_IMPL( signed long int, "li" )
|
|---|
| 1183 | INPUT_FMT_IMPL( unsigned long int, "li" )
|
|---|
| 1184 | INPUT_FMT_IMPL( signed long long int, "lli" )
|
|---|
| 1185 | INPUT_FMT_IMPL( unsigned long long int, "lli" )
|
|---|
| 1186 |
|
|---|
| 1187 | INPUT_FMT_IMPL( float, "f" )
|
|---|
| 1188 | INPUT_FMT_IMPL( double, "lf" )
|
|---|
| 1189 | INPUT_FMT_IMPL( long double, "Lf" )
|
|---|
| 1190 |
|
|---|
| 1191 | forall( istype & | basic_istream( istype ) ) {
|
|---|
| 1192 | istype & ?|?( istype & is, _Istream_Manip(float _Complex) fc ) {
|
|---|
| 1193 | float re, im;
|
|---|
| 1194 | _Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
|
|---|
| 1195 | is | fmtuc;
|
|---|
| 1196 | &fmtuc.val = &im;
|
|---|
| 1197 | is | fmtuc;
|
|---|
| 1198 | if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1199 | return is;
|
|---|
| 1200 | } // ?|?
|
|---|
| 1201 |
|
|---|
| 1202 | istype & ?|?( istype & is, _Istream_Manip(double _Complex) dc ) {
|
|---|
| 1203 | double re, im;
|
|---|
| 1204 | _Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
|
|---|
| 1205 | is | fmtuc;
|
|---|
| 1206 | &fmtuc.val = &im;
|
|---|
| 1207 | is | fmtuc;
|
|---|
| 1208 | if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1209 | return is;
|
|---|
| 1210 | } // ?|?
|
|---|
| 1211 |
|
|---|
| 1212 | istype & ?|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
|
|---|
| 1213 | long double re, im;
|
|---|
| 1214 | _Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
|
|---|
| 1215 | is | fmtuc;
|
|---|
| 1216 | &fmtuc.val = &im;
|
|---|
| 1217 | is | fmtuc;
|
|---|
| 1218 | if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
|
|---|
| 1219 | return is;
|
|---|
| 1220 | } // ?|?
|
|---|
| 1221 | } // distribution
|
|---|
| 1222 |
|
|---|
| 1223 | // *********************************** enumerations ***********************************
|
|---|
| 1224 |
|
|---|
| 1225 | forall( istype & | istream( istype ), E | CfaEnum( E ) | Serial( E ) )
|
|---|
| 1226 | istype & ?|?( istype & is, E & e ) with ( basic_istream_table ) {
|
|---|
| 1227 | // Match longest input enumerator string to enumerator labels, where enumerator names are unique.
|
|---|
| 1228 | size_t N = countof( E ), lnths[N], maxlen = 0; // N must be > 0, maxlen must be > 0
|
|---|
| 1229 |
|
|---|
| 1230 | size_t ec = 0;
|
|---|
| 1231 | for ( s; E ) { // gather label lengths
|
|---|
| 1232 | lnths[ec] = strlen( label( s ) );
|
|---|
| 1233 | if ( lnths[ec] > maxlen ) maxlen = lnths[ec]; // gather longest length
|
|---|
| 1234 | // printf( "%s %zd\n", label( s ), lnths[e] );
|
|---|
| 1235 | ec += 1;
|
|---|
| 1236 | } // for
|
|---|
| 1237 | // printf( "maxlen %d\n", maxlen );
|
|---|
| 1238 |
|
|---|
| 1239 | fmt( is, " " ); // remove leading whitespace
|
|---|
| 1240 | if ( eof( is ) ) throwResume ExceptionInst( end_of_file );
|
|---|
| 1241 | // printf( "after whitespace\n" );
|
|---|
| 1242 |
|
|---|
| 1243 | char ch;
|
|---|
| 1244 | ssize_t exact = -1; // -1 => no exact match seen so far
|
|---|
| 1245 |
|
|---|
| 1246 | for ( c; maxlen ) { // scan columns of the label matrix (some columns missing)
|
|---|
| 1247 | fmt( is, "%c", &ch ); // read character => get a character or EOF
|
|---|
| 1248 | // printf( "after fmt %d %d '%c'\n", c, args, ch );
|
|---|
| 1249 | if ( eof( is ) || isspace( ch ) != 0 ) { // enumerator delimiter ? => end of enumerator
|
|---|
| 1250 | // printf( "match eof %zd %s\n", exact, label( fromInt( exact ) ) );
|
|---|
| 1251 | if ( exact != -1 ) { // exact match available ?
|
|---|
| 1252 | e = fromInt( exact );
|
|---|
| 1253 | return is;
|
|---|
| 1254 | } // if
|
|---|
| 1255 | // printf( "no match\n" );
|
|---|
| 1256 | // consume input character(s) as garbage
|
|---|
| 1257 | clearerr( is ); // => read something => reset EOF => detect again on next read
|
|---|
| 1258 | throwResume ExceptionInst( missing_data ); // no matching enumerator
|
|---|
| 1259 | } // if
|
|---|
| 1260 |
|
|---|
| 1261 | bool match = false;
|
|---|
| 1262 | for ( r; N ) { // scan all enumeration labels for matching character
|
|---|
| 1263 | // if ( lnths[r] > c ) printf( "%d %d %d %c %s %c\n", c, r, lnths[r], ch, label( fromInt( r ) ), label( fromInt( r ) )[c] );
|
|---|
| 1264 | if ( lnths[r] > c && label( fromInt( r ) )[c] == ch ) { // label long enough and matching character ?
|
|---|
| 1265 | // printf( "match char\n" );
|
|---|
| 1266 | match = true;
|
|---|
| 1267 | if ( lnths[r] - 1 == c ) exact = r; // exact match ?
|
|---|
| 1268 | else if ( exact != -1 && lnths[exact] <= c ) exact = -1; // previous exact match too short ?
|
|---|
| 1269 | } else {
|
|---|
| 1270 | lnths[r] = 0; // mark enumerator ineligible
|
|---|
| 1271 | } // if
|
|---|
| 1272 | } // for
|
|---|
| 1273 | // printf( "match %d\n", match );
|
|---|
| 1274 | if ( ! match ) { // no matching character in column
|
|---|
| 1275 | if ( exact != -1 ) { // exact match available ?
|
|---|
| 1276 | // printf( "match %zd unget %c\n", exact, ch );
|
|---|
| 1277 | ungetc( ch, is ); // push back last unmatching character
|
|---|
| 1278 | e = fromInt( exact );
|
|---|
| 1279 | return is;
|
|---|
| 1280 | } // if
|
|---|
| 1281 | // consume input character(s) as garbage
|
|---|
| 1282 | throwResume ExceptionInst( missing_data ); // no match found
|
|---|
| 1283 | } // if
|
|---|
| 1284 | //printf( "loop match %d\n", match );
|
|---|
| 1285 | } // for
|
|---|
| 1286 | // printf( "loop end\n" );
|
|---|
| 1287 | e = fromInt( exact );
|
|---|
| 1288 | return is;
|
|---|
| 1289 | }
|
|---|
| 1290 |
|
|---|
| 1291 | forall( ostype & | ostream( ostype ), E | CfaEnum( E ) ) {
|
|---|
| 1292 | ostype & ?|?( ostype & os, E e ) {
|
|---|
| 1293 | return os | label( e );
|
|---|
| 1294 | }
|
|---|
| 1295 | OSTYPE_VOID_IMPL( os, E )
|
|---|
| 1296 | }
|
|---|
| 1297 |
|
|---|
| 1298 | // Local Variables: //
|
|---|
| 1299 | // tab-width: 4 //
|
|---|
| 1300 | // compile-command: "cfa iostream.cfa" //
|
|---|
| 1301 | // End: //
|
|---|
