url_canon_fileurl.cc | Explore in Territory

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/350788890): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif

// Functions for canonicalizing "file:" URLs.

#include <string_view>

#include "base/strings/string_util.h"
#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 {

bool IsLocalhost(const char* spec, int begin, int end) { … }

bool IsLocalhost(const char16_t* spec, int begin, int end) { … }

template <typename CHAR>
int DoFindWindowsDriveLetter(const CHAR* spec, int begin, int end) { … }

#ifdef WIN32

// Given a pointer into the spec, this copies and canonicalizes the drive
// letter and colon to the output, if one is found. If there is not a drive
// spec, it won't do anything. The index of the next character in the input
// spec is returned (after the colon when a drive spec is found, the begin
// offset if one is not).
template <typename CHAR>
int FileDoDriveSpec(const CHAR* spec, int begin, int end, CanonOutput* output) {
  int drive_letter_pos = FindWindowsDriveLetter(spec, begin, end);
  if (drive_letter_pos < begin)
    return begin;

  // By now, a valid drive letter is confirmed at position drive_letter_pos,
  // followed by a valid drive letter separator (a colon or a pipe).

  output->push_back('/');

  // Normalize Windows drive letters to uppercase.
  if (base::IsAsciiLower(spec[drive_letter_pos]))
    output->push_back(static_cast<char>(spec[drive_letter_pos] - 'a' + 'A'));
  else
    output->push_back(static_cast<char>(spec[drive_letter_pos]));

  // Normalize the character following it to a colon rather than pipe.
  output->push_back(':');
  return drive_letter_pos + 2;
}

#endif  // WIN32

template<typename CHAR, typename UCHAR>
bool DoFileCanonicalizePath(const CHAR* spec,
                            const Component& path,
                            CanonOutput* output,
                            Component* out_path) { … }

template<typename CHAR, typename UCHAR>
bool DoCanonicalizeFileURL(const URLComponentSource<CHAR>& source,
                           const Parsed& parsed,
                           CharsetConverter* query_converter,
                           CanonOutput* output,
                           Parsed* new_parsed) { … }

} // namespace

int FindWindowsDriveLetter(const char* spec, int begin, int end) { … }

int FindWindowsDriveLetter(const char16_t* spec, int begin, int end) { … }

bool CanonicalizeFileURL(const char* spec,
                         int spec_len,
                         const Parsed& parsed,
                         CharsetConverter* query_converter,
                         CanonOutput* output,
                         Parsed* new_parsed) { … }

bool CanonicalizeFileURL(const char16_t* spec,
                         int spec_len,
                         const Parsed& parsed,
                         CharsetConverter* query_converter,
                         CanonOutput* output,
                         Parsed* new_parsed) { … }

bool FileCanonicalizePath(const char* spec,
                          const Component& path,
                          CanonOutput* output,
                          Component* out_path) { … }

bool FileCanonicalizePath(const char16_t* spec,
                          const Component& path,
                          CanonOutput* output,
                          Component* out_path) { … }

bool ReplaceFileURL(const char* base,
                    const Parsed& base_parsed,
                    const Replacements<char>& replacements,
                    CharsetConverter* query_converter,
                    CanonOutput* output,
                    Parsed* new_parsed) { … }

bool ReplaceFileURL(const char* base,
                    const Parsed& base_parsed,
                    const Replacements<char16_t>& replacements,
                    CharsetConverter* query_converter,
                    CanonOutput* output,
                    Parsed* new_parsed) { … }

}  // namespace url
chromium/url/url_canon_fileurl.cc
