daily_automated

trunk/Arduino/libraries/arduino_355230/src/FatLib/ostream.cpp

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+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
+ *
+ * MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <string.h>
+#include "ostream.h"
+#ifndef PSTR
+#define PSTR(x) x
+#endif
+//------------------------------------------------------------------------------
+void ostream::do_fill(unsigned len) {
+  for (; len < width(); len++) {
+    putch(fill());
+  }
+  width(0);
+}
+//------------------------------------------------------------------------------
+void ostream::fill_not_left(unsigned len) {
+  if ((flags() & adjustfield) != left) {
+    do_fill(len);
+  }
+}
+//------------------------------------------------------------------------------
+char* ostream::fmtNum(uint32_t n, char *ptr, uint8_t base) {
+  char a = flags() & uppercase ? 'A' - 10 : 'a' - 10;
+  do {
+    uint32_t m = n;
+    n /= base;
+    char c = m - base * n;
+    *--ptr = c < 10 ? c + '0' : c + a;
+  } while (n);
+  return ptr;
+}
+//------------------------------------------------------------------------------
+void ostream::putBool(bool b) {
+  if (flags() & boolalpha) {
+    if (b) {
+      putPgm(PSTR("true"));
+    } else {
+      putPgm(PSTR("false"));
+    }
+  } else {
+    putChar(b ? '1' : '0');
+  }
+}
+//------------------------------------------------------------------------------
+void ostream::putChar(char c) {
+  fill_not_left(1);
+  putch(c);
+  do_fill(1);
+}
+//------------------------------------------------------------------------------
+void ostream::putDouble(double n) {
+  uint8_t nd = precision();
+  double round = 0.5;
+  char sign;
+  char buf[13];  // room for sign, 10 digits, '.', and zero byte
+  char *end = buf + sizeof(buf) - 1;
+  char *str = end;
+  // terminate string
+  *end = '\0';
+
+  // get sign and make nonnegative
+  if (n < 0.0) {
+    sign = '-';
+    n = -n;
+  } else {
+    sign = flags() & showpos ? '+' : '\0';
+  }
+  // check for larger than uint32_t
+  if (n > 4.0E9) {
+    putPgm(PSTR("BIG FLT"));
+    return;
+  }
+  // round up and separate int and fraction parts
+  for (uint8_t i = 0; i < nd; ++i) {
+    round *= 0.1;
+  }
+  n += round;
+  uint32_t intPart = n;
+  double fractionPart = n - intPart;
+
+  // format intPart and decimal point
+  if (nd || (flags() & showpoint)) {
+    *--str = '.';
+  }
+  str = fmtNum(intPart, str, 10);
+
+  // calculate length for fill
+  uint8_t len = sign ? 1 : 0;
+  len += nd + end - str;
+
+  // extract adjust field
+  fmtflags adj = flags() & adjustfield;
+  if (adj == internal) {
+    if (sign) {
+      putch(sign);
+    }
+    do_fill(len);
+  } else {
+    // do fill for internal or right
+    fill_not_left(len);
+    if (sign) {
+      *--str = sign;
+    }
+  }
+  putstr(str);
+  // output fraction
+  while (nd-- > 0) {
+    fractionPart *= 10.0;
+    int digit = static_cast<int>(fractionPart);
+    putch(digit + '0');
+    fractionPart -= digit;
+  }
+  // do fill if not done above
+  do_fill(len);
+}
+//------------------------------------------------------------------------------
+void ostream::putNum(int32_t n) {
+  bool neg = n < 0 && flagsToBase() == 10;
+  if (neg) {
+    n = -n;
+  }
+  putNum(n, neg);
+}
+//------------------------------------------------------------------------------
+void ostream::putNum(uint32_t n, bool neg) {
+  char buf[13];
+  char* end = buf + sizeof(buf) - 1;
+  char* num;
+  char* str;
+  uint8_t base = flagsToBase();
+  *end = '\0';
+  str = num = fmtNum(n, end, base);
+  if (base == 10) {
+    if (neg) {
+      *--str = '-';
+    } else if (flags() & showpos) {
+      *--str = '+';
+    }
+  } else if (flags() & showbase) {
+    if (flags() & hex) {
+      *--str = flags() & uppercase ? 'X' : 'x';
+    }
+    *--str = '0';
+  }
+  uint8_t len = end - str;
+  fmtflags adj = flags() & adjustfield;
+  if (adj == internal) {
+    while (str < num) {
+      putch(*str++);
+    }
+  }
+  if (adj != left) {
+    do_fill(len);
+  }
+  putstr(str);
+  do_fill(len);
+}
+//------------------------------------------------------------------------------
+void ostream::putPgm(const char* str) {
+  int n;
+  for (n = 0; pgm_read_byte(&str[n]); n++) {}
+  fill_not_left(n);
+  for (uint8_t c; (c = pgm_read_byte(str)); str++) {
+    putch(c);
+  }
+  do_fill(n);
+}
+//------------------------------------------------------------------------------
+void ostream::putStr(const char *str) {
+  unsigned n = strlen(str);
+  fill_not_left(n);
+  putstr(str);
+  do_fill(n);
+}