Class: Kwartz::PhpHandler

Inherits:
Handler
  • Object
show all
Defined in:
lib/kwartz/binding/php.rb

Overview

directive handler for PHP

Constant Summary collapse

PHP_DIRECTIVE_PATTERN = 
/\A(\w+)(?:\s*\(\s*(.*)\))?\z/
PHP_MAPPING_PATTERN = 
/\A'([-:\w]+)',\s*(.*)\z/
PHP_DIRECTIVE_FORMAT = 
'%s(%s)'

Instance Attribute Summary

Attributes inherited from Handler

#converter, #even, #filename, #odd

Instance Method Summary collapse

Methods inherited from Handler

#_elem_info_table, #_import_element_info_from_handler, #extract, get_class, #get_element_info, #get_element_ruleset, #initialize, register_class

Methods included from ElementExpander

#expand_element_info, #expand_statement, #get_element_info, #get_element_ruleset

Methods included from Assertion

assert

Methods included from StatementHelper

#add_foreach_stmts, #add_native_code, #add_native_expr_with_default, #build_print_args, #build_print_expr_stmt, #build_print_stmt, #create_text_print_stmt, #etag_stmt, #stag_stmt, #wrap_content_with_native_stmt, #wrap_element_with_native_stmt

Methods included from ConverterHelper

#_last_stmt_kind, #convert_error, #error_if_empty_tag, #error_when_last_stmt_is_not_if, #include_properties

Constructor Details

This class inherits a constructor from Kwartz::Handler

Instance Method Details

#directive_format ⇒ Object 



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# File 'lib/kwartz/binding/php.rb', line 39

def directive_format
  return PHP_DIRECTIVE_FORMAT
end

#directive_pattern ⇒ Object 



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# File 'lib/kwartz/binding/php.rb', line 25

def directive_pattern
  return PHP_DIRECTIVE_PATTERN
end

#handle(stmt_list, handler_arg) ⇒ Object 



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# File 'lib/kwartz/binding/php.rb', line 44

def handle(stmt_list, handler_arg)
  ret = super
  return ret if ret

  arg = handler_arg
  d_name = arg.directive_name
  d_arg  = arg.directive_arg
  d_str  = arg.directive_str

  case d_name

  when :foreach, :Foreach, :FOREACH, :list, :List, :LIST
    is_foreach = d_name == :foreach || d_name == :Foreach || d_name == :FOREACH
    unless d_arg =~ /\A.*\s+as\s+(\$\w+)(?:\s*=>\s*\$\w+)?\z/
      raise convert_error("'#{d_str}': invalid argument.", arg.stag_info.linenum)
    end
    loopvar = $1
    counter = d_name == :foreach || d_name == :list ? nil : "#{loopvar}_ctr"
    toggle  = d_name != :FOREACH && d_name != :LIST ? nil : "#{loopvar}_tgl"
    code = []
    code << "#{counter} = 0;"            if counter
    code << "foreach (#{d_arg}) {"
    code << "  #{counter}++;"            if counter
    code << "  #{toggle} = #{counter}%2==0 ? #{@even} : #{@odd};" if toggle
    if is_foreach
      wrap_element_with_native_stmt(stmt_list, arg, code, "}", :foeach)
    else
      wrap_content_with_native_stmt(stmt_list, arg, code, "}", :foeach)
    end
    #stmt_list << stag_stmt(arg)   if !is_foreach
    #stmt_list << NativeStatement.new("#{counter} = 0;") if counter
    #stmt_list << NativeStatement.new("foreach (#{d_arg}) {", :foreach)
    #stmt_list << NativeStatement.new("  #{counter}++;") if counter
    #stmt_list << NativeStatement.new("  #{toggle} = #{counter}%2==0 ? #{self.even} : #{self.odd};") if toggle
    #stmt_list << stag_stmt(arg)   if is_foreach
    #stmt_list.concat(arg.cont_stmts)
    #stmt_list << etag_stmt(arg)   if is_foreach
    #stmt_list << NativeStatement.new("}", :foreach)
    #stmt_list << etag_stmt(arg)   if !is_foreach

  when :while
    wrap_element_with_native_stmt(stmt_list, arg, "while (#{d_arg}) {", "}", :while)
    #stmt_list << NativeStatement.new("while (#{d_arg}) {", :while)
    #stmt_list << stag_stmt
    #stmt_list.concat(cont_stmts)
    #stmt_list << etag_stmt
    #stmt_list << NativeStatement.new("}", :while)

  when :loop
    error_if_empty_tag(arg)
    wrap_content_with_native_stmt(stmt_list, arg, "while (#{d_arg}) {", "}", :while)
    #stmt_list << stag_stmt
    #stmt_list << NativeStatement.new("while (#{d_arg}) {", :while)
    #stmt_list.concat(cont_stmts)
    #stmt_list << NativeStatement.new("}", :while)
    #stmt_list << etag_stmt

  when :set
    wrap_element_with_native_stmt(stmt_list, arg, "#{d_arg};", nil, :set)
    #stmt_list << NativeStatement.new("#{d_arg};", :set)
    #stmt_list << stag_stmt
    #stmt_list.concat(cont_stmts)
    #stmt_list << etag_stmt

  when :if
    wrap_element_with_native_stmt(stmt_list, arg, "if (#{d_arg}) {", "}", :if)
    #stmt_list << NativeStatement.new("if (#{d_arg}) {", :if)
    #stmt_list << stag_stmt
    #stmt_list.concat(cont_stmts)
    #stmt_list << etag_stmt
    #stmt_list << NativeStatement.new("}", :if)

  when :elseif, :else
    error_when_last_stmt_is_not_if(stmt_list, arg)
    stmt_list.pop    # delete '}'
    kind = d_name == :else ? :else : :elseif
    code = d_name == :else ? "} else {" : "} elseif (#{d_arg}) {"
    wrap_element_with_native_stmt(stmt_list, arg, code, "}", kind)
    #stmt_list << NativeStatement.new(code, kind)
    #stmt_list << stag_stmt
    #stmt_list.concat(cont_stmts)
    #stmt_list << etag_stmt
    #stmt_list << NativeStatement.new("}", kind)

  when :default, :Default, :DEFAULT
    error_if_empty_tag(arg)
    expr_code = d_arg
    flag_escape = d_name == :default ? nil : (d_name == :Default)
    add_native_expr_with_default(stmt_list, arg, expr_code, flag_escape,
                                 "if (#{d_arg}) {", "} else {", "}")
    #stmt_list << stag_stmt(arg)
    #stmt_list << NativeStatement.new_without_newline("if (#{d_arg}) {", :if)
    #flag_escape = d_name == :default ? nil : (d_name == :Default)
    #stmt_list << PrintStatement.new([ NativeExpression.new(d_arg, flag_escape) ])
    #stmt_list << NativeStatement.new_without_newline("} else {", :else)
    #stmt_list.concat(arg.cont_stmts)
    #stmt_list << NativeStatement.new_without_newline("}", :else)
    #stmt_list << etag_stmt(arg)

  else
    return false

  end #case
  return true

end

#mapping_pattern ⇒ Object 



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# File 'lib/kwartz/binding/php.rb', line 32

def mapping_pattern
  return PHP_MAPPING_PATTERN
end