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Diffstat (limited to 'chromium/url/url_canon_pathurl.cc')
-rw-r--r-- | chromium/url/url_canon_pathurl.cc | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/chromium/url/url_canon_pathurl.cc b/chromium/url/url_canon_pathurl.cc new file mode 100644 index 00000000000..bc681f4d144 --- /dev/null +++ b/chromium/url/url_canon_pathurl.cc @@ -0,0 +1,103 @@ +// 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 "path" URLs. Not to be confused with the path +// of a URL, these are URLs that have no authority section, only a path. For +// example, "javascript:" and "data:". + +#include "url/url_canon.h" +#include "url/url_canon_internal.h" + +namespace url_canon { + +namespace { + +template<typename CHAR, typename UCHAR> +bool DoCanonicalizePathURL(const URLComponentSource<CHAR>& source, + const url_parse::Parsed& parsed, + CanonOutput* output, + url_parse::Parsed* new_parsed) { + // Scheme: this will append the colon. + bool success = CanonicalizeScheme(source.scheme, parsed.scheme, + output, &new_parsed->scheme); + + // We assume there's no authority for path URLs. Note that hosts should never + // have -1 length. + new_parsed->username.reset(); + new_parsed->password.reset(); + new_parsed->host.reset(); + new_parsed->port.reset(); + + if (parsed.path.is_valid()) { + // Copy the path using path URL's more lax escaping rules (think for + // javascript:). We convert to UTF-8 and escape non-ASCII, but leave all + // ASCII characters alone. This helps readability of JavaStript. + new_parsed->path.begin = output->length(); + 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 { + // Empty path. + new_parsed->path.reset(); + } + + // Assume there's no query or ref. + new_parsed->query.reset(); + new_parsed->ref.reset(); + + return success; +} + +} // namespace + +bool CanonicalizePathURL(const char* spec, + int spec_len, + const url_parse::Parsed& parsed, + CanonOutput* output, + url_parse::Parsed* new_parsed) { + return DoCanonicalizePathURL<char, unsigned char>( + URLComponentSource<char>(spec), parsed, output, new_parsed); +} + +bool CanonicalizePathURL(const base::char16* spec, + int spec_len, + const url_parse::Parsed& parsed, + CanonOutput* output, + url_parse::Parsed* new_parsed) { + return DoCanonicalizePathURL<base::char16, base::char16>( + URLComponentSource<base::char16>(spec), parsed, output, new_parsed); +} + +bool ReplacePathURL(const char* base, + const url_parse::Parsed& base_parsed, + const Replacements<char>& replacements, + CanonOutput* output, + url_parse::Parsed* new_parsed) { + URLComponentSource<char> source(base); + url_parse::Parsed parsed(base_parsed); + SetupOverrideComponents(base, replacements, &source, &parsed); + return DoCanonicalizePathURL<char, unsigned char>( + source, parsed, output, new_parsed); +} + +bool ReplacePathURL(const char* base, + const url_parse::Parsed& base_parsed, + const Replacements<base::char16>& replacements, + CanonOutput* output, + url_parse::Parsed* new_parsed) { + RawCanonOutput<1024> utf8; + URLComponentSource<char> source(base); + url_parse::Parsed parsed(base_parsed); + SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed); + return DoCanonicalizePathURL<char, unsigned char>( + source, parsed, output, new_parsed); +} + +} // namespace url_canon |