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// Copyright (c) 2012 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 "chrome/browser/net/browser_url_util.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/url_constants.h"
#include "googleurl/src/gurl.h"
#include "googleurl/src/url_parse.h"
#include "net/base/escape.h"
#include "net/base/net_util.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
namespace chrome_browser_net {
void WriteURLToClipboard(const GURL& url,
const std::string& languages,
ui::Clipboard *clipboard) {
if (url.is_empty() || !url.is_valid() || !clipboard)
return;
// Unescaping path and query is not a good idea because other applications
// may not encode non-ASCII characters in UTF-8. See crbug.com/2820.
string16 text = url.SchemeIs(chrome::kMailToScheme) ?
ASCIIToUTF16(url.path()) :
net::FormatUrl(url, languages, net::kFormatUrlOmitNothing,
net::UnescapeRule::NONE, NULL, NULL, NULL);
ui::ScopedClipboardWriter scw(clipboard, ui::Clipboard::BUFFER_STANDARD);
scw.WriteURL(text);
}
GURL AppendQueryParameter(const GURL& url,
const std::string& name,
const std::string& value) {
std::string query(url.query());
if (!query.empty())
query += "&";
query += (net::EscapeQueryParamValue(name, true) + "=" +
net::EscapeQueryParamValue(value, true));
GURL::Replacements replacements;
replacements.SetQueryStr(query);
return url.ReplaceComponents(replacements);
}
GURL AppendOrReplaceQueryParameter(const GURL& url,
const std::string& name,
const std::string& value) {
bool replaced = false;
std::string param_name = net::EscapeQueryParamValue(name, true);
std::string param_value = net::EscapeQueryParamValue(value, true);
const std::string input = url.query();
url_parse::Component cursor(0, input.size());
std::string output;
url_parse::Component key_range, value_range;
while (url_parse::ExtractQueryKeyValue(
input.data(), &cursor, &key_range, &value_range)) {
const base::StringPiece key(
input.data() + key_range.begin, key_range.len);
const base::StringPiece value(
input.data() + value_range.begin, value_range.len);
std::string key_value_pair;
// Check |replaced| as only the first pair should be replaced.
if (!replaced && key == param_name) {
replaced = true;
key_value_pair = (param_name + "=" + param_value);
} else {
key_value_pair.assign(input.data(),
key_range.begin,
value_range.end() - key_range.begin);
}
if (!output.empty())
output += "&";
output += key_value_pair;
}
if (!replaced) {
if (!output.empty())
output += "&";
output += (param_name + "=" + param_value);
}
GURL::Replacements replacements;
replacements.SetQueryStr(output);
return url.ReplaceComponents(replacements);
}
} // namespace chrome_browser_net
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