chromium/third_party/ced/src/compact_enc_det/compact_enc_det_hint_code.cc

// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////

#include "compact_enc_det/compact_enc_det_hint_code.h"

#include <ctype.h>                      // for isalpha
#include <string.h>                     // for NULL, memchr, strlen, etc

#include "util/basictypes.h"            // for uint8, uint32
#include "util/string_util.h"

// Upper to lower, keep digits, everything else to minus '-' (2d)
static const char kCharsetToLowerTbl[256] = …;


static const char kIsAlpha[256] = …;

static const char kIsDigit[256] = …;

static const char* kFakeEncodingName[] = …;
static const char* kFakeEncodingName2[] = …;

// Return name for extended encoding
const char* MyEncodingName(Encoding enc) { … }


// Normalize ASCII string to first 4 alphabetic chars and last 4 digit chars
// Letters are forced to lowercase ASCII
// Used to normalize charset= values
string MakeChar44(const string& str) { … }

// Normalize ASCII string to first 8 alphabetic/digit chars
// Letters are forced to lowercase ASCII
// Used to normalize TLD values
string MakeChar4(const string& str) { … }

// Normalize ASCII string to first 8 alphabetic/digit chars
// Letters are forced to lowercase ASCII
// Used to normalize TLD values
string MakeChar8(const string& str) { … }