Module: Nova::Helper::ObjCDSL

Included in:
Nova::Helper
Defined in:
lib/helpers/dsl.rb

Constant Summary collapse

SYSTEM_LIBS = 
{
    foundation: "Foundation/Foundation.h",
    uikit: "UIKit/UIKit.h"
}

Instance Method Summary collapse

Instance Method Details

#_class(name) ⇒ Object

interface



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# File 'lib/helpers/dsl.rb', line 150

def _class(name)
    raw "@class #{name};"
end

#class_method(*options) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 181

def class_method(*options)
    options = options.flatten
    raise "Method options.count < 2" unless options.count > 1
    return_type = options.shift
    start = "+ (#{return_type})"
    if options.length == 1
        start += "#{options[0]}"
    else
        raise "Not valid method signature" unless options.count % 3 == 0
        options.permutation(3) do |a,b,c|
            start += "#{a}:(#{b})#{c} "
        end
    end
    if block_given?
        start += "{"
        raw start
        yield
        raw "}"
    else
        start += ";"
        raw start
    end
end

#comment(content = nil) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 67

def comment(content=nil)
    raw "// #{content}"
end

#created_at(*time) ⇒ Object

Metadata



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# File 'lib/helpers/dsl.rb', line 37

def created_at(*time)
    @created_at = Date.parse(time.join('-'))
end

#define(type, content) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 101

def define(type, content)
    raw "#define #{type}  #{content}"
end

#define_str(type, content) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 105

def define_str(type, content)
    define type, "@\"#{content}\""
end

#enum(name, values, options = {}) ⇒ Object

Structure / Enum



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# File 'lib/helpers/dsl.rb', line 117

def enum(name, values, options = {})
    base = options[:base] || "NSInteger"
    raw "typedef NS_ENUM(#{base}, #{name}) {"
    if options[:bitmask]
        raw "  #{name}None = 0,"
        if values.kind_of? Hash
            values.keys.each_with_index do |val, idx|
                comment values[val].to_s
                raw "  #{name}#{val} = 1 << #{idx},"
            end
        else
            values.each_with_index do |val, idx|
                raw "  #{name}#{val} = 1 << #{idx},"
            end
        end
        raw "  #{name}All = 0b#{"1" * (values.count + 1)}"
    else
        if values.kind_of? Hash
            values.keys.each_with_index do |val, idx|
                comment values[val].to_s
                raw "  #{name}#{val},"
            end
        else
            values.each do |val|
                raw "  #{name}#{val},"
            end
        end
    end
    raw "};"
end

#file_header(project = nil, user = nil, copyright = nil) ⇒ Object

Comments



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# File 'lib/helpers/dsl.rb', line 48

def file_header(project=nil, user=nil, copyright=nil)
    if @created_at == nil
        created_at DateTime.now
    end
    if @hash == nil
        hash data
    end
    raw "//
//  #{File.basename(filename)}
//  #{project || "Nova"}
//
//  Created by #{user || "Nova" } on #{@created_at.strftime("%Y/%-m/%-d")}.
//  Copyright (c) #{@created_at.strftime("%Y")}年 #{copyright || user || "Nova"}. All rights reserved.
//
//  Hash: #{@hash}
//
//  WARNNING: Generated by Nova, Donnot edit this file directly.\n"
end

#hash(data) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 41

def hash(data)
    raise "Hash something" if data == nil
    @hash = Digest::MD5.hexdigest data.to_s
end

#implement(name) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 175

def implement(name)
    raw "@implementation #{name}"
    yield if block_given?
    raw "@end"
end

#import(*libs) ⇒ Object

Macros



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# File 'lib/helpers/dsl.rb', line 73

def import(*libs)
    libs.flatten.each do |lib|
        if SYSTEM_LIBS[lib.to_sym]
            lib = SYSTEM_LIBS[lib.to_sym]
            raw "#import <#{lib}>"
        else
            if lib.kind_of? String
                if lib.to_s.index(".h")
                    raw "#import \"#{lib}\""
                else
                    raw "#import \"#{lib}/#{lib}.h\""
                end
            else
                if lib.kind_of? Symbol
                    if lib.to_s.index(".h")
                        raw "#import <#{lib}>"
                    else
                        raw "#import <#{lib}/#{lib}.h>"
                    end
                else
                    raise "WTF you passed for import ? #{lib}"
                end
            end
        end
    end
    raw
end

#interface(name, superclass = "NSObject", protocols = []) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 161

def interface(name, superclass = "NSObject", protocols = [])
    ptc = if protocols.empty? then "" else "<#{protocols.join(',')}>" end
    raw "@interface #{name}#{ptc} : #{superclass}"
    yield if block_given?
    raw "@end"
end

#method(*options) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 205

def method(*options)
    options = options.flatten
    raise "Method options.count < 2" unless options.count > 1
    return_type = options.shift
    start = "- (#{return_type})"
    if options.length == 1
        start += "#{options[0]}"
    else
        raise "Not valid method signature" unless options.count % 3 == 0
        options.permutation(3) do |a,b,c|
            start += "#{a}:(#{b})#{c} "
        end
    end
    if block_given?
        start += "{\n"
        raw start
        yield
        raw "}"
    else
        start += ";"
        raw start
    end
end

#mode(mode) ⇒ Object

Language Switching



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# File 'lib/helpers/dsl.rb', line 21

def mode(mode)
    @mode = mode
end

#objc ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 25

def objc
    mode :objc
    yield if block_given?
    @str
end

#objc? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/helpers/dsl.rb', line 31

def objc?
    @mode == nil or @mode == :objc
end

#property(name, type, options = {}) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 168

def property(name, type, options = {})
    atomic_str = options[:atomic] ? "atomic" : "nonatomic"
    policy_str = options[:policy] || :strong
    star_str   = (policy_str.to_s == "assign") ? "" : "*"
    raw "@property (#{atomic_str}, #{policy_str}) #{type} #{star_str} #{name};"
end

#protocol(name, superclass = nil) ⇒ Object 



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# File 'lib/helpers/dsl.rb', line 154

def protocol(name, superclass = nil)
    super_str = if superclass then "<#{superclass}>" else "" end
    raw "@protocol #{name}#{super_str}"
    yield if block_given?
    raw "@end"
end

#raw(content = "") ⇒ Object

Basic



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# File 'lib/helpers/dsl.rb', line 12

def raw(content = "")
    @str ||= ""
    content += "\n"
    @str += content
    content
end

#typedef(src, des) ⇒ Object

Type



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# File 'lib/helpers/dsl.rb', line 111

def typedef(src, des)
    raw "typedef #{src} #{des};"
end