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// Copyright 2013 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.
// Functions for canonicalizing "mailto:" URLs.
#include "url/url_canon.h"
#include "url/url_canon_internal.h"
#include "url/url_file.h"
#include "url/url_parse_internal.h"
namespace url {
namespace {
template <typename CHAR, typename UCHAR>
bool DoCanonicalizeMailtoURL(const URLComponentSource<CHAR>& source,
const Parsed& parsed,
CanonOutput* output,
Parsed* new_parsed) {
// mailto: only uses {scheme, path, query} -- clear the rest.
new_parsed->username = Component();
new_parsed->password = Component();
new_parsed->host = Component();
new_parsed->port = Component();
new_parsed->ref = Component();
// Scheme (known, so we don't bother running it through the more
// complicated scheme canonicalizer).
new_parsed->scheme.begin = output->length();
output->Append("mailto:", 7);
new_parsed->scheme.len = 6;
bool success = true;
// Path
if (parsed.path.is_valid()) {
new_parsed->path.begin = output->length();
// Copy the path using path URL's more lax escaping rules.
// We convert to UTF-8 and escape non-ASCII, but leave all
// ASCII characters alone.
int end = parsed.path.end();
for (int i = parsed.path.begin; i < end; ++i) {
UCHAR uch = static_cast<UCHAR>(source.path[i]);
if (uch < 0x20 || uch >= 0x80)
success &= AppendUTF8EscapedChar(source.path, &i, end, output);
else
output->push_back(static_cast<char>(uch));
}
new_parsed->path.len = output->length() - new_parsed->path.begin;
} else {
// No path at all
new_parsed->path.reset();
}
// Query -- always use the default UTF8 charset converter.
CanonicalizeQuery(source.query, parsed.query, NULL,
output, &new_parsed->query);
return success;
}
} // namespace
bool CanonicalizeMailtoURL(const char* spec,
int spec_len,
const Parsed& parsed,
CanonOutput* output,
Parsed* new_parsed) {
return DoCanonicalizeMailtoURL<char, unsigned char>(
URLComponentSource<char>(spec), parsed, output, new_parsed);
}
bool CanonicalizeMailtoURL(const base::char16* spec,
int spec_len,
const Parsed& parsed,
CanonOutput* output,
Parsed* new_parsed) {
return DoCanonicalizeMailtoURL<base::char16, base::char16>(
URLComponentSource<base::char16>(spec), parsed, output, new_parsed);
}
bool ReplaceMailtoURL(const char* base,
const Parsed& base_parsed,
const Replacements<char>& replacements,
CanonOutput* output,
Parsed* new_parsed) {
URLComponentSource<char> source(base);
Parsed parsed(base_parsed);
SetupOverrideComponents(base, replacements, &source, &parsed);
return DoCanonicalizeMailtoURL<char, unsigned char>(
source, parsed, output, new_parsed);
}
bool ReplaceMailtoURL(const char* base,
const Parsed& base_parsed,
const Replacements<base::char16>& replacements,
CanonOutput* output,
Parsed* new_parsed) {
RawCanonOutput<1024> utf8;
URLComponentSource<char> source(base);
Parsed parsed(base_parsed);
SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed);
return DoCanonicalizeMailtoURL<char, unsigned char>(
source, parsed, output, new_parsed);
}
} // namespace url