| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "printing/backend/ipp_handlers.h" |
| |
| #include "base/strings/string_number_conversions.h" |
| #include "base/values.h" |
| #include "printing/backend/cups_printer.h" |
| |
| namespace printing { |
| |
| void NoOpHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) {} |
| |
| void TextHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| capabilities->emplace_back(); |
| AdvancedCapability& capability = capabilities->back(); |
| capability.name = attribute_name; |
| capability.type = base::Value::Type::STRING; |
| // TODO(crbug.com/964919): Set defaults. |
| } |
| |
| void NumberHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| // TODO(crbug.com/964919): Add better number handling. |
| TextHandler(printer, attribute_name, capabilities); |
| } |
| |
| void BooleanHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| capabilities->emplace_back(); |
| AdvancedCapability& capability = capabilities->back(); |
| capability.name = attribute_name; |
| capability.type = base::Value::Type::BOOLEAN; |
| ipp_attribute_t* attr_default = printer.GetDefaultOptionValue(attribute_name); |
| capability.default_value = attr_default && ippGetBoolean(attr_default, 0); |
| } |
| |
| void KeywordHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| ipp_attribute_t* attr = printer.GetSupportedOptionValues(attribute_name); |
| if (!attr) |
| return; |
| |
| capabilities->emplace_back(); |
| AdvancedCapability& capability = capabilities->back(); |
| capability.name = attribute_name; |
| ipp_attribute_t* attr_default = printer.GetDefaultOptionValue(attribute_name); |
| if (attr_default) { |
| const char* value = ippGetString(attr_default, 0, nullptr); |
| if (value) |
| capability.default_value = value; |
| } |
| int num_values = ippGetCount(attr); |
| for (int i = 0; i < num_values; i++) { |
| const char* value = ippGetString(attr, i, nullptr); |
| if (!value) |
| continue; |
| |
| capability.values.emplace_back(); |
| capability.values.back().name = value; |
| } |
| } |
| |
| void EnumHandler(const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| ipp_attribute_t* attr = printer.GetSupportedOptionValues(attribute_name); |
| if (!attr) |
| return; |
| |
| capabilities->emplace_back(); |
| AdvancedCapability& capability = capabilities->back(); |
| capability.name = attribute_name; |
| ipp_attribute_t* attr_default = printer.GetDefaultOptionValue(attribute_name); |
| capability.default_value = |
| base::NumberToString(attr_default ? ippGetInteger(attr_default, 0) : 0); |
| int num_values = ippGetCount(attr); |
| for (int i = 0; i < num_values; i++) { |
| int value = ippGetInteger(attr, i); |
| // ippGetInteger() returns 0 on error as per RFC8011 (5.1.5) |
| if (value == 0) |
| continue; |
| |
| capability.values.emplace_back(); |
| capability.values.back().name = base::NumberToString(value); |
| } |
| } |
| |
| void MultivalueEnumHandler(int none_value, |
| const CupsOptionProvider& printer, |
| const char* attribute_name, |
| AdvancedCapabilities* capabilities) { |
| ipp_attribute_t* attr = printer.GetSupportedOptionValues(attribute_name); |
| if (!attr) |
| return; |
| |
| int num_values = ippGetCount(attr); |
| for (int i = 0; i < num_values; i++) { |
| int value = ippGetInteger(attr, i); |
| // Check for 'none' value or error (0 as per RFC8011 (5.1.5)). |
| if (value == none_value || value == 0) |
| continue; |
| |
| capabilities->emplace_back(); |
| AdvancedCapability& capability = capabilities->back(); |
| capability.name = |
| std::string(attribute_name) + "/" + base::NumberToString(value); |
| capability.type = base::Value::Type::BOOLEAN; |
| // TODO(crbug.com/964919): Set defaults. |
| } |
| } |
| |
| } // namespace printing |