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/*
==============================================================================
This file is part of the juce_core module of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission to use, copy, modify, and/or distribute this software for any purpose with
or without fee is hereby granted, provided that the above copyright notice and this
permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
------------------------------------------------------------------------------
NOTE! This permissive ISC license applies ONLY to files within the juce_core module!
All other JUCE modules are covered by a dual GPL/commercial license, so if you are
using any other modules, be sure to check that you also comply with their license.
For more details, visit www.juce.com
==============================================================================
*/
//==============================================================================
#if JUCE_MSVC
#pragma warning (push)
#pragma warning (disable: 4514 4996)
#endif
juce_wchar CharacterFunctions::toUpperCase (const juce_wchar character) noexcept
{
return (juce_wchar) towupper ((wint_t) character);
}
juce_wchar CharacterFunctions::toLowerCase (const juce_wchar character) noexcept
{
return (juce_wchar) towlower ((wint_t) character);
}
bool CharacterFunctions::isUpperCase (const juce_wchar character) noexcept
{
#if JUCE_WINDOWS
return iswupper ((wint_t) character) != 0;
#else
return toLowerCase (character) != character;
#endif
}
bool CharacterFunctions::isLowerCase (const juce_wchar character) noexcept
{
#if JUCE_WINDOWS
return iswlower ((wint_t) character) != 0;
#else
return toUpperCase (character) != character;
#endif
}
#if JUCE_MSVC
#pragma warning (pop)
#endif
//==============================================================================
bool CharacterFunctions::isWhitespace (const char character) noexcept
{
return character == ' ' || (character <= 13 && character >= 9);
}
bool CharacterFunctions::isWhitespace (const juce_wchar character) noexcept
{
return iswspace ((wint_t) character) != 0;
}
bool CharacterFunctions::isDigit (const char character) noexcept
{
return (character >= '0' && character <= '9');
}
bool CharacterFunctions::isDigit (const juce_wchar character) noexcept
{
return iswdigit ((wint_t) character) != 0;
}
bool CharacterFunctions::isLetter (const char character) noexcept
{
return (character >= 'a' && character <= 'z')
|| (character >= 'A' && character <= 'Z');
}
bool CharacterFunctions::isLetter (const juce_wchar character) noexcept
{
return iswalpha ((wint_t) character) != 0;
}
bool CharacterFunctions::isLetterOrDigit (const char character) noexcept
{
return (character >= 'a' && character <= 'z')
|| (character >= 'A' && character <= 'Z')
|| (character >= '0' && character <= '9');
}
bool CharacterFunctions::isLetterOrDigit (const juce_wchar character) noexcept
{
return iswalnum ((wint_t) character) != 0;
}
bool CharacterFunctions::isPrintable (const char character) noexcept
{
return (character >= ' ' && character <= '~');
}
bool CharacterFunctions::isPrintable (const juce_wchar character) noexcept
{
return iswprint ((wint_t) character) != 0;
}
int CharacterFunctions::getHexDigitValue (const juce_wchar digit) noexcept
{
unsigned int d = (unsigned int) digit - '0';
if (d < (unsigned int) 10)
return (int) d;
d += (unsigned int) ('0' - 'a');
if (d < (unsigned int) 6)
return (int) d + 10;
d += (unsigned int) ('a' - 'A');
if (d < (unsigned int) 6)
return (int) d + 10;
return -1;
}
double CharacterFunctions::mulexp10 (const double value, int exponent) noexcept
{
if (exponent == 0)
return value;
if (value == 0)
return 0;
const bool negative = (exponent < 0);
if (negative)
exponent = -exponent;
double result = 1.0, power = 10.0;
for (int bit = 1; exponent != 0; bit <<= 1)
{
if ((exponent & bit) != 0)
{
exponent ^= bit;
result *= power;
if (exponent == 0)
break;
}
power *= power;
}
return negative ? (value / result) : (value * result);
}
juce_wchar CharacterFunctions::getUnicodeCharFromWindows1252Codepage (const uint8 c) noexcept
{
if (c < 0x80 || c >= 0xa0)
return (juce_wchar) c;
static const uint16 lookup[] = { 0x20AC, 0x0007, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0007, 0x017D, 0x0007,
0x0007, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0007, 0x017E, 0x0178 };
return (juce_wchar) lookup[c - 0x80];
}
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