1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/tools/convert_dict/hunspell_reader.h" 6 7 #include "base/strings/string_util.h" 8 9 namespace convert_dict { 10 11 // This silly 64K buffer is just copied from Hunspell's way of parsing. 12 const int kLineBufferLen = 65535; 13 char line_buffer[kLineBufferLen]; 14 15 // Shortcut for trimming whitespace from both ends of the line. 16 void TrimLine(std::string* line) { 17 if (line->size() > 3 && 18 static_cast<unsigned char>((*line)[0]) == 0xef && 19 static_cast<unsigned char>((*line)[1]) == 0xbb && 20 static_cast<unsigned char>((*line)[2]) == 0xbf) 21 *line = line->substr(3); 22 23 // Treat this text as an ASCII text and trim whitespace characters as 24 // hunspell does. The returned text is to be converted into UTF-8 text with 25 // the encoding defined in an affix file. 26 base::TrimWhitespace(*line, base::TRIM_ALL, line); 27 } 28 29 std::string ReadLine(FILE* file) { 30 const char* line = fgets(line_buffer, kLineBufferLen - 1, file); 31 if (!line) 32 return std::string(); 33 34 std::string str = line; 35 TrimLine(&str); 36 return str; 37 } 38 39 void StripComment(std::string* line) { 40 for (size_t i = 0; i < line->size(); i++) { 41 if ((*line)[i] == '#') { 42 line->resize(i); 43 TrimLine(line); 44 return; 45 } 46 } 47 } 48 49 } // namespace convert_dict 50
