JSIntegration.cpp 6.5 KB

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  1. /*
  2. * Copyright (c) 2020, the SerenityOS developers.
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. *
  8. * 1. Redistributions of source code must retain the above copyright notice, this
  9. * list of conditions and the following disclaimer.
  10. *
  11. * 2. Redistributions in binary form must reproduce the above copyright notice,
  12. * this list of conditions and the following disclaimer in the documentation
  13. * and/or other materials provided with the distribution.
  14. *
  15. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  18. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  19. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  21. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  22. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  23. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. */
  26. #include "JSIntegration.h"
  27. #include "Spreadsheet.h"
  28. #include "Workbook.h"
  29. #include <LibJS/Runtime/Error.h>
  30. #include <LibJS/Runtime/GlobalObject.h>
  31. #include <LibJS/Runtime/Object.h>
  32. #include <LibJS/Runtime/Value.h>
  33. namespace Spreadsheet {
  34. SheetGlobalObject::SheetGlobalObject(Sheet& sheet)
  35. : m_sheet(sheet)
  36. {
  37. }
  38. SheetGlobalObject::~SheetGlobalObject()
  39. {
  40. }
  41. JS::Value SheetGlobalObject::get(const JS::PropertyName& name, JS::Value receiver) const
  42. {
  43. if (name.is_string()) {
  44. if (name.as_string() == "value") {
  45. if (auto cell = m_sheet.current_evaluated_cell())
  46. return cell->js_data();
  47. return JS::js_undefined();
  48. }
  49. if (auto pos = Sheet::parse_cell_name(name.as_string()); pos.has_value()) {
  50. auto& cell = m_sheet.ensure(pos.value());
  51. cell.reference_from(m_sheet.current_evaluated_cell());
  52. return cell.typed_js_data();
  53. }
  54. }
  55. return GlobalObject::get(name, receiver);
  56. }
  57. bool SheetGlobalObject::put(const JS::PropertyName& name, JS::Value value, JS::Value receiver)
  58. {
  59. if (name.is_string()) {
  60. if (auto pos = Sheet::parse_cell_name(name.as_string()); pos.has_value()) {
  61. auto& cell = m_sheet.ensure(pos.value());
  62. if (auto current = m_sheet.current_evaluated_cell())
  63. current->reference_from(&cell);
  64. cell.set_data(value); // FIXME: This produces un-savable state!
  65. return true;
  66. }
  67. }
  68. return GlobalObject::put(name, value, receiver);
  69. }
  70. void SheetGlobalObject::initialize()
  71. {
  72. GlobalObject::initialize();
  73. define_native_function("parse_cell_name", parse_cell_name, 1);
  74. define_native_function("current_cell_position", current_cell_position, 0);
  75. }
  76. JS_DEFINE_NATIVE_FUNCTION(SheetGlobalObject::parse_cell_name)
  77. {
  78. if (vm.argument_count() != 1) {
  79. vm.throw_exception<JS::TypeError>(global_object, "Expected exactly one argument to parse_cell_name()");
  80. return {};
  81. }
  82. auto name_value = vm.argument(0);
  83. if (!name_value.is_string()) {
  84. vm.throw_exception<JS::TypeError>(global_object, "Expected a String argument to parse_cell_name()");
  85. return {};
  86. }
  87. auto position = Sheet::parse_cell_name(name_value.as_string().string());
  88. if (!position.has_value())
  89. return JS::js_undefined();
  90. auto object = JS::Object::create_empty(global_object);
  91. object->put("column", JS::js_string(vm, position.value().column));
  92. object->put("row", JS::Value((unsigned)position.value().row));
  93. return object;
  94. }
  95. JS_DEFINE_NATIVE_FUNCTION(SheetGlobalObject::current_cell_position)
  96. {
  97. if (vm.argument_count() != 0) {
  98. vm.throw_exception<JS::TypeError>(global_object, "Expected no arguments to current_cell_position()");
  99. return {};
  100. }
  101. auto* this_object = vm.this_value(global_object).to_object(global_object);
  102. if (!this_object)
  103. return JS::js_null();
  104. if (StringView("SheetGlobalObject") != this_object->class_name()) {
  105. vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "SheetGlobalObject");
  106. return {};
  107. }
  108. auto sheet_object = static_cast<SheetGlobalObject*>(this_object);
  109. auto* current_cell = sheet_object->m_sheet.current_evaluated_cell();
  110. if (!current_cell)
  111. return JS::js_null();
  112. auto position = current_cell->position();
  113. auto object = JS::Object::create_empty(global_object);
  114. object->put("column", JS::js_string(vm, position.column));
  115. object->put("row", JS::Value((unsigned)position.row));
  116. return object;
  117. }
  118. WorkbookObject::WorkbookObject(Workbook& workbook)
  119. : JS::Object(*JS::Object::create_empty(workbook.global_object()))
  120. , m_workbook(workbook)
  121. {
  122. }
  123. WorkbookObject::~WorkbookObject()
  124. {
  125. }
  126. void WorkbookObject::initialize(JS::GlobalObject& global_object)
  127. {
  128. Object::initialize(global_object);
  129. define_native_function("sheet", sheet, 1);
  130. }
  131. JS_DEFINE_NATIVE_FUNCTION(WorkbookObject::sheet)
  132. {
  133. if (vm.argument_count() != 1) {
  134. vm.throw_exception<JS::TypeError>(global_object, "Expected exactly one argument to sheet()");
  135. return {};
  136. }
  137. auto name_value = vm.argument(0);
  138. if (!name_value.is_string() && !name_value.is_number()) {
  139. vm.throw_exception<JS::TypeError>(global_object, "Expected a String or Number argument to sheet()");
  140. return {};
  141. }
  142. auto* this_object = vm.this_value(global_object).to_object(global_object);
  143. if (!this_object)
  144. return {};
  145. if (!this_object->inherits("WorkbookObject")) {
  146. vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "WorkbookObject");
  147. return {};
  148. }
  149. auto& workbook = static_cast<WorkbookObject*>(this_object)->m_workbook;
  150. if (name_value.is_string()) {
  151. auto& name = name_value.as_string().string();
  152. for (auto& sheet : workbook.sheets()) {
  153. if (sheet.name() == name)
  154. return JS::Value(&sheet.global_object());
  155. }
  156. } else {
  157. auto index = name_value.as_size_t();
  158. if (index < workbook.sheets().size())
  159. return JS::Value(&workbook.sheets()[index].global_object());
  160. }
  161. return JS::js_undefined();
  162. }
  163. }