mirror of
https://github.com/ocornut/imgui.git
synced 2026-01-13 00:24:20 +00:00
147 lines
3.7 KiB
Ruby
147 lines
3.7 KiB
Ruby
#!/usr/bin/env ruby
|
|
|
|
$VERBOSE = 2
|
|
|
|
INDENT = ' ' * 4
|
|
|
|
puts <<EOT
|
|
#pragma once
|
|
|
|
#include "imgui.h"
|
|
|
|
namespace ImScoped
|
|
{
|
|
#{INDENT}#define IMGUI_DELETE_MOVE_COPY(Base)#{INDENT} \\
|
|
#{INDENT}#{INDENT}Base(Base&&) = delete; /* Move not allowed */ \\
|
|
#{INDENT}#{INDENT}Base &operator=(Base&&) = delete; /* "" */ \\
|
|
#{INDENT}#{INDENT}Base(const Base&) = delete; /* Copy not allowed */ \\
|
|
#{INDENT}#{INDENT}Base& operator=(const Base&) = delete /* "" */
|
|
|
|
EOT
|
|
|
|
class WrapperClass
|
|
attr_reader :name, :class_name, :state_var
|
|
|
|
def initialize(m)
|
|
@name = m[:name]
|
|
|
|
@class_name = case @name
|
|
when 'Begin'
|
|
'Window'
|
|
when /^Begin(.*)$/
|
|
$1
|
|
when /^Push(.*)$/
|
|
$1
|
|
else
|
|
m[:name]
|
|
end
|
|
|
|
@state_var = case @name
|
|
when 'Begin', 'BeginChild'
|
|
'IsContentVisible'
|
|
else
|
|
'IsOpen' if m[:type] == 'bool'
|
|
end
|
|
|
|
puts <<EOT
|
|
#{INDENT}struct #{@class_name}
|
|
#{INDENT}{
|
|
EOT
|
|
if @state_var
|
|
puts "#{INDENT * 2}#{m[:type]} #{@state_var};"
|
|
puts
|
|
end
|
|
end
|
|
|
|
def close
|
|
print "#{INDENT * 2}~#{@class_name}() { "
|
|
print case @name
|
|
when 'Begin' then 'ImGui::End();'
|
|
when 'BeginChild' then 'ImGui::EndChild();'
|
|
when 'BeginChildFrame' then 'ImGui::EndChildFrame();'
|
|
when /^BeginPopup/ then "if (#{@state_var}) ImGui::EndPopup();"
|
|
when /^Begin(.*)/ then "if (#{@state_var}) ImGui::End#{$1}();"
|
|
when /^TreeNode/ then "if (#{@state_var}) ImGui::TreePop();"
|
|
when 'TreePush' then 'ImGui::TreePop();'
|
|
when /^Push(.*)/ then "ImGui::Pop#{$1}();"
|
|
else fail "Don't know what pop body to use for #{@name}"
|
|
end
|
|
puts " }"
|
|
|
|
if @state_var
|
|
puts
|
|
puts "#{INDENT * 2}operator bool() { return #{@state_var}; }"
|
|
end
|
|
|
|
puts
|
|
puts "#{INDENT * 2}IMGUI_DELETE_MOVE_COPY(#{@class_name});"
|
|
puts "#{INDENT}};"
|
|
end
|
|
end
|
|
|
|
current_class = nil
|
|
|
|
header_file = File.open("../../imgui.h")
|
|
header_file.each_line do |line|
|
|
break if line.match(/^}\s*\/\/\s*namespace ImGui$/i)
|
|
|
|
line.match(/^\s*IMGUI_API\s+(?<type>[\w\s]+\w)\s+(?<name>\w*)\((?<args>[^)]+)\)(?<attrs>[^;]*);(?<rest>.*)$/) do |m|
|
|
next unless m[:name].match(/^(Begin|Push|Tree)/)
|
|
|
|
argnames = m[:args].split(/,\s*/).map do |arg|
|
|
arg = arg.split(/\s*=\s*/, 2).first
|
|
arg.split(/[ \*]/).last
|
|
end
|
|
|
|
# Check for obsolete
|
|
if m[:name] == 'Begin' &&
|
|
(argnames == %w{name p_open size_on_first_use bg_alpha_override flags} ||
|
|
argnames == %w{items_count items_height})
|
|
next
|
|
end
|
|
|
|
$stderr.puts m.inspect if $-d
|
|
|
|
fail "Return value #{m[:type]} is not bool or void" unless %w{bool void}.include?(m[:type])
|
|
|
|
if !current_class || current_class.name != m[:name]
|
|
if current_class
|
|
current_class.close
|
|
puts
|
|
end
|
|
|
|
current_class = WrapperClass.new(m)
|
|
end
|
|
|
|
attrs = m[:attrs].gsub(/IM_FMT(ARGS|LIST)\(\d+\)/) do |a|
|
|
a.sub(/\d+/) { |index| (index.to_i + 1).to_s }
|
|
end
|
|
|
|
print "#{INDENT * 2}#{current_class.class_name}(#{m[:args]})#{attrs} { "
|
|
|
|
use_varargs = false
|
|
if argnames.last == '...'
|
|
argnames[-1] = 'ap'
|
|
use_varargs = true
|
|
print "va_list ap; va_start(ap, fmt); "
|
|
end
|
|
|
|
print "#{current_class.state_var} = " if current_class.state_var
|
|
|
|
print "ImGui::#{m[:name]}"
|
|
print 'V' if use_varargs
|
|
print "(#{argnames.join(', ')}); "
|
|
print 'va_end(ap); ' if use_varargs
|
|
|
|
puts '}'
|
|
end
|
|
end
|
|
|
|
current_class.close if current_class
|
|
|
|
puts <<EOT
|
|
|
|
#{INDENT}#undef IMGUI_DELETE_MOVE_COPY
|
|
|
|
} // namespace ImScoped
|
|
EOT
|