Class: WirisPlugin::WInteger

Inherits:
Object
  • Object
show all
Includes:
Wiris
Defined in:
lib/com/wiris/common/WInteger.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WInteger

Returns a new instance of WInteger.



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# File 'lib/com/wiris/common/WInteger.rb', line 6

def initialize()
    super()
end

Class Method Details

.isInteger(str) ⇒ Object 



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# File 'lib/com/wiris/common/WInteger.rb', line 37

def self.isInteger(str)
    str = StringTools::trim(str)
    i = 0
    n = str::length()
    if str::startsWith("-")
        i+=1
    end
    if str::startsWith("+")
        i+=1
    end
    while i < n
        c = Std::charCodeAt(str,i)
        if (c < 48) || (c > 57)
            return false
        end
        i+=1
    end
    return true
end

.max(x, y) ⇒ Object 



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# File 'lib/com/wiris/common/WInteger.rb', line 9

def self.max(x, y)
    if x > y
        return x
    end
    return y
end

.min(x, y) ⇒ Object 



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# File 'lib/com/wiris/common/WInteger.rb', line 15

def self.min(x, y)
    if x < y
        return x
    end
    return y
end

.parseHex(str) ⇒ Object 



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# File 'lib/com/wiris/common/WInteger.rb', line 34

def self.parseHex(str)
    return Std::parseInt("0x" + str)
end

.toHex(x, digits) ⇒ Object 



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# File 'lib/com/wiris/common/WInteger.rb', line 21

def self.toHex(x, digits)
    s = ""
    while (x != 0) && ((digits) > 0)
        digits-=1
        d = x&15
        s = Std::fromCharCode(d + (d >= 10 ? 55 : 48)).to_s + s
        x = x >> 4
    end
    while (digits-=1) > 0
        s = "0" + s
    end
    return s
end