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// Copyright 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef LIBBRILLO_BRILLO_MIME_UTILS_H_
#define LIBBRILLO_BRILLO_MIME_UTILS_H_
#include <string>
#include <utility>
#include <vector>
#include <base/compiler_specific.h>
#include <base/macros.h>
#include <brillo/brillo_export.h>
namespace brillo {
namespace mime {
namespace types {
// Main MIME type categories
BRILLO_EXPORT extern const char kApplication[]; // application
BRILLO_EXPORT extern const char kAudio[]; // audio
BRILLO_EXPORT extern const char kImage[]; // image
BRILLO_EXPORT extern const char kMessage[]; // message
BRILLO_EXPORT extern const char kMultipart[]; // multipart
BRILLO_EXPORT extern const char kText[]; // test
BRILLO_EXPORT extern const char kVideo[]; // video
} // namespace types
namespace parameters {
// Common MIME parameters
BRILLO_EXPORT extern const char kCharset[]; // charset=...
} // namespace parameters
namespace image {
// Common image MIME types
BRILLO_EXPORT extern const char kJpeg[]; // image/jpeg
BRILLO_EXPORT extern const char kPng[]; // image/png
BRILLO_EXPORT extern const char kBmp[]; // image/bmp
BRILLO_EXPORT extern const char kTiff[]; // image/tiff
BRILLO_EXPORT extern const char kGif[]; // image/gif
} // namespace image
namespace text {
// Common text MIME types
BRILLO_EXPORT extern const char kPlain[]; // text/plain
BRILLO_EXPORT extern const char kHtml[]; // text/html
BRILLO_EXPORT extern const char kXml[]; // text/xml
} // namespace text
namespace application {
// Common application MIME types
// application/octet-stream
BRILLO_EXPORT extern const char kOctet_stream[];
// application/json
BRILLO_EXPORT extern const char kJson[];
// application/x-www-form-urlencoded
BRILLO_EXPORT extern const char kWwwFormUrlEncoded[];
// application/x-protobuf
BRILLO_EXPORT extern const char kProtobuf[];
} // namespace application
namespace multipart {
// Common multipart MIME types
// multipart/form-data
BRILLO_EXPORT extern const char kFormData[];
// multipart/mixed
BRILLO_EXPORT extern const char kMixed[];
} // namespace multipart
using Parameters = std::vector<std::pair<std::string, std::string>>;
// Combine a MIME type, subtype and parameters into a MIME string.
// e.g. Combine("text", "plain", {{"charset", "utf-8"}}) will give:
// "text/plain; charset=utf-8"
BRILLO_EXPORT std::string Combine(
const std::string& type,
const std::string& subtype,
const Parameters& parameters = {}) WARN_UNUSED_RESULT;
// Splits a MIME string into type and subtype.
// "text/plain;charset=utf-8" => ("text", "plain")
BRILLO_EXPORT bool Split(const std::string& mime_string,
std::string* type,
std::string* subtype);
// Splits a MIME string into type, subtype, and parameters.
// "text/plain;charset=utf-8" => ("text", "plain", {{"charset","utf-8"}})
BRILLO_EXPORT bool Split(const std::string& mime_string,
std::string* type,
std::string* subtype,
Parameters* parameters);
// Returns the MIME type from MIME string.
// "text/plain;charset=utf-8" => "text"
BRILLO_EXPORT std::string GetType(const std::string& mime_string);
// Returns the MIME sub-type from MIME string.
// "text/plain;charset=utf-8" => "plain"
BRILLO_EXPORT std::string GetSubtype(const std::string& mime_string);
// Returns the MIME parameters from MIME string.
// "text/plain;charset=utf-8" => {{"charset","utf-8"}}
BRILLO_EXPORT Parameters GetParameters(const std::string& mime_string);
// Removes parameters from a MIME string
// "text/plain;charset=utf-8" => "text/plain"
BRILLO_EXPORT std::string RemoveParameters(
const std::string& mime_string) WARN_UNUSED_RESULT;
// Appends a parameter to a MIME string.
// "text/plain" => "text/plain; charset=utf-8"
BRILLO_EXPORT std::string AppendParameter(
const std::string& mime_string,
const std::string& paramName,
const std::string& paramValue) WARN_UNUSED_RESULT;
// Returns the value of a parameter on a MIME string (empty string if missing).
// ("text/plain;charset=utf-8","charset") => "utf-8"
BRILLO_EXPORT std::string GetParameterValue(const std::string& mime_string,
const std::string& paramName);
} // namespace mime
} // namespace brillo
#endif // LIBBRILLO_BRILLO_MIME_UTILS_H_
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