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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_HTTP_HTTP_CONTENT_DISPOSITION_H_
#define NET_HTTP_HTTP_CONTENT_DISPOSITION_H_
#include <string>
#include "net/base/net_export.h"
namespace net {
class NET_EXPORT HttpContentDisposition {
public:
enum Type {
INLINE,
ATTACHMENT,
};
// Properties of the Content-Disposition header. These flags are used to
// report download metrics in UMA. This enum isn't directly used in UMA but
// mapped to another one for binary compatiblity; ie. changes are OK.
enum ParseResultFlags {
INVALID = 0,
// A valid disposition-type is present.
HAS_DISPOSITION_TYPE = 1 << 0,
// The disposition-type is not 'inline' or 'attachment'.
HAS_UNKNOWN_DISPOSITION_TYPE = 1 << 1,
// Has a valid non-empty 'filename' attribute.
HAS_FILENAME = 1 << 2,
// Has a valid non-empty 'filename*' attribute.
HAS_EXT_FILENAME = 1 << 3,
// The following fields are properties of the 'filename' attribute:
// Quoted-string contains non-ASCII characters.
HAS_NON_ASCII_STRINGS = 1 << 4,
// Quoted-string contains percent-encoding.
HAS_PERCENT_ENCODED_STRINGS = 1 << 5,
// Quoted-string contains RFC 2047 encoded words.
HAS_RFC2047_ENCODED_STRINGS = 1 << 6,
// Has a filename that starts with a single quote.
HAS_SINGLE_QUOTED_FILENAME = 1 << 7,
};
HttpContentDisposition(const std::string& header,
const std::string& referrer_charset);
HttpContentDisposition(const HttpContentDisposition&) = delete;
HttpContentDisposition& operator=(const HttpContentDisposition&) = delete;
~HttpContentDisposition();
bool is_attachment() const { return type() == ATTACHMENT; }
Type type() const { return type_; }
const std::string& filename() const { return filename_; }
// A combination of ParseResultFlags values.
int parse_result_flags() const { return parse_result_flags_; }
private:
void Parse(const std::string& header, const std::string& referrer_charset);
std::string::const_iterator ConsumeDispositionType(
std::string::const_iterator begin, std::string::const_iterator end);
Type type_ = INLINE;
std::string filename_;
int parse_result_flags_ = INVALID;
};
} // namespace net
#endif // NET_HTTP_HTTP_CONTENT_DISPOSITION_H_
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