Class: XlsxWriter::Workbook::Properties

Inherits:
Object
  • Object
show all
Defined in:
ext/xlsxwriter/workbook_properties.c,
ext/xlsxwriter/workbook_properties.c

Overview

The class defines accessors for workbook properties.

Setting standard workbook text properties:

wb_properties.title = title
wb_properties.subject = subjet
wb_properties.author = author
wb_properties.manager = manager
wb_properties.company = company
wb_properties.category = category
wb_properties.keywords = keywords
wb_properties.comments = comments
wb_properties.status = status

You can see the properties under Office Button -> Prepare -> Properties in Excel.

Instance Method Summary collapse

Constructor Details

#initialize(workbook) ⇒ Object

:nodoc:



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# File 'ext/xlsxwriter/workbook_properties.c', line 10

VALUE
workbook_properties_init_(VALUE self, VALUE workbook) {
  struct workbook *wb_ptr;
  rb_iv_set(self, "@workbook", workbook);
  TypedData_Get_Struct(workbook, struct workbook, &workbook_type, wb_ptr);
  if (!wb_ptr->properties) {
    wb_ptr->properties = calloc(1, sizeof(lxw_doc_properties));
  }
  if (rb_block_given_p()) {
    rb_yield(self);
  }
  return self;
}

Instance Method Details

#[]=(property) ⇒ Object

Sets a document property (both custom and standard). Property type is automatically deduced from the value.



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# File 'ext/xlsxwriter/workbook_properties.c', line 29

VALUE
workbook_properties_set_(VALUE self, VALUE key, VALUE value) {
  char *key_cstr = NULL;
  switch (TYPE(key)) {
  case T_STRING:
    key_cstr = StringValueCStr(key);
    break;
  case T_SYMBOL:
    key = rb_sym2str(key);
    key_cstr = StringValueCStr(key);
    break;
  default:
    rb_raise(rb_eArgError, "Wrong type of key: %"PRIsVALUE, rb_obj_class(key));
  }

  struct workbook *wb_ptr;
  TypedData_Get_Struct(rb_iv_get(self, "@workbook"), struct workbook, &workbook_type, wb_ptr);
  lxw_doc_properties *props = wb_ptr->properties;
  if (!props) {
    rb_raise(rb_eRuntimeError, "Workbook properties are already freed.");
  }

#define HANDLE_PROP(prop) {                                   if (!strcmp(#prop, key_cstr)) {                             props->prop = ruby_strdup(StringValueCStr(value));        return value;                                           }                                                       }
  HANDLE_PROP(title);
  HANDLE_PROP(subject);
  HANDLE_PROP(author);
  HANDLE_PROP(manager);
  HANDLE_PROP(company);
  HANDLE_PROP(category);
  HANDLE_PROP(keywords);
  HANDLE_PROP(comments);
  HANDLE_PROP(status);
  HANDLE_PROP(hyperlink_base);
#undef HANDLE_PROP

  // Not a standard property.
  switch (TYPE(value)) {
  case T_NIL:
    break;
  case T_STRING:
    workbook_set_custom_property_string(wb_ptr->workbook, key_cstr, StringValueCStr(value));
    break;
  case T_FLOAT: case T_RATIONAL:
    workbook_set_custom_property_number(wb_ptr->workbook, key_cstr, NUM2DBL(value));
    break;
  case T_FIXNUM: case T_BIGNUM:
    workbook_set_custom_property_integer(wb_ptr->workbook, key_cstr, NUM2INT(value));
    break;
  case T_TRUE: case T_FALSE:
    workbook_set_custom_property_boolean(wb_ptr->workbook, key_cstr, value != Qfalse);
    break;
  case T_DATA:
    if (rb_obj_class(value) == rb_cTime) {
      lxw_datetime datetime = value_to_lxw_datetime(value);
      workbook_set_custom_property_datetime(wb_ptr->workbook, key_cstr, &datetime);
    } else {
      rb_raise(rb_eTypeError, "wrong argument type %"PRIsVALUE
               " (must be string, numeric, true, false, nil or time)",
               rb_obj_class(value));
    }
    break;
  }
  return value;
}