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// Copyright 2019 The Chromium Authors
// 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/strcat.h"
#include "base/strings/string_number_conversions.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(attribute_name, AdvancedCapability::Type::kString);
// 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(attribute_name,
AdvancedCapability::Type::kBoolean);
AdvancedCapability& capability = capabilities->back();
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(attribute_name, AdvancedCapability::Type::kString);
AdvancedCapability& capability = capabilities->back();
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(attribute_name, AdvancedCapability::Type::kString);
AdvancedCapability& capability = capabilities->back();
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(
base::StrCat({attribute_name, "/", base::NumberToString(value)}),
AdvancedCapability::Type::kBoolean);
// TODO(crbug.com/964919): Set defaults.
}
}
} // namespace printing
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