Class: WirisPlugin::IniFile

Inherits:
Object
  • Object
show all
Includes:
Wiris
Defined in:
lib/com/wiris/util/sys/IniFile.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ IniFile

Returns a new instance of IniFile.



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 8

def initialize()
    super()
    self.props = Hash.new()
end

Instance Attribute Details

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 6

def filename
  @filename
end

#props ⇒ Object

Returns the value of attribute props.



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 7

def props
  @props
end

Class Method Details

.compareStrings(a, b) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 129

def self.compareStrings(a, b)
    an = a::length()
    bn = b::length()
    n = (an > bn) ? bn : an
    for i in 0..n - 1
        c = Std::charCodeAt(a,i) - Std::charCodeAt(b,i)
        if c != 0
            return c
        end
        i+=1
    end
    return a::length() - b::length()
end

.newIniFileFromFilename(path) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 12

def self.newIniFileFromFilename(path)
    ini = IniFile.new()
    ini::filename = path
    ini::loadINI()
    return ini
end

.newIniFileFromString(inifile) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 18

def self.newIniFileFromString(inifile)
    ini = IniFile.new()
    ini::filename = ""
    ini::loadProperties(inifile)
    return ini
end

.propertiesToString(h) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 94

def self.propertiesToString(h)
    sb = StringBuf.new()
    iter = h::keys()
    keys = Array.new()
    while iter::hasNext()
        keys::push(iter::next())
    end
    n = keys::length()
    for i in 0..n - 1
        for j in i + 1..n - 1
            s1 = keys::_(i)
            s2 = keys::_(j)
            if IniFile.compareStrings(s1,s2) > 0
                keys::_(i,s2)
                keys::_(j,s1)
            end
            j+=1
        end
        i+=1
    end
    for i in 0..n - 1
        key = keys::_(i)
        sb::add(key)
        sb::add("=")
        value = h::get(key)
        value = StringTools::replace(value,"\\","\\\\")
        value = StringTools::replace(value,"\n","\\n")
        value = StringTools::replace(value,"\r","\\r")
        value = StringTools::replace(value,"\t","\\t")
        sb::add(value)
        sb::add("\n")
        i+=1
    end
    return sb::toString()
end

Instance Method Details

#getProperties ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 24

def getProperties()
    return @props
end

#loadINI ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 27

def loadINI()
    s = Storage::newStorage(@filename)
    if !s::exists()
        s = Storage::newResourceStorage(@filename)
    end
    begin
    file = s::read()
    if file != nil
        loadProperties(file)
    end
    end
end

#loadProperties(file) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 80

def loadProperties(file)
    _end = 0
    count = 1
    while (start = file::indexOf("\n",_end)) != -1
        line = Std::substr(file,_end,start - _end)
        _end = start + 1
        self.loadPropertiesLine(line,count)
        count+=1
    end
    if _end < file::length()
        line = Std::substr(file,_end)
        self.loadPropertiesLine(line,count)
    end
end

#loadPropertiesLine(line, count) ⇒ Object 



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# File 'lib/com/wiris/util/sys/IniFile.rb', line 39

def loadPropertiesLine(line, count)
    line = StringTools::trim(line)
    if line::length() == 0
        return 
    end
    if StringTools::startsWith(line,";") || StringTools::startsWith(line,"#")
        return 
    end
    equals = line::indexOf("=")
    if equals == -1
        raise Exception,((("Malformed INI file " + @filename) + " in line ") + count.to_s) + " no equal sign found."
    end
    key = Std::substr(line,0,equals)
    key = StringTools::trim(key)
    value = Std::substr(line,equals + 1)
    value = StringTools::trim(value)
    if StringTools::startsWith(value,"\"") && StringTools::endsWith(value,"\"")
        value = Std::substr(value,1,value::length() - 2)
    end
    backslash = 0
    while (backslash = value::indexOf("\\",backslash)) != -1
        if value::length() <= (backslash + 1)
                next
        end
        letter = Std::substr(value,backslash + 1,1)
        if (letter == "n")
            letter = "\n"
        else 
            if (letter == "r")
                letter = "\r"
            else 
                if (letter == "t")
                    letter = "\t"
                end
            end
        end
        value = (Std::substr(value,0,backslash).to_s + letter) + Std::substr(value,backslash + 2).to_s
        backslash+=1
    end
    self.props::set(key,value)
end