LCOV - code coverage report
Current view: top level - media/webrtc/trunk/webrtc/base - stringutils.cc (source / functions) Hit Total Coverage
Test: output.info Lines: 0 44 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #include "webrtc/base/checks.h"
      12             : #include "webrtc/base/stringutils.h"
      13             : 
      14             : namespace rtc {
      15             : 
      16           0 : bool memory_check(const void* memory, int c, size_t count) {
      17           0 :   const char* char_memory = static_cast<const char*>(memory);
      18           0 :   char char_c = static_cast<char>(c);
      19           0 :   for (size_t i = 0; i < count; ++i) {
      20           0 :     if (char_memory[i] != char_c) {
      21           0 :       return false;
      22             :     }
      23             :   }
      24           0 :   return true;
      25             : }
      26             : 
      27           0 : bool string_match(const char* target, const char* pattern) {
      28           0 :   while (*pattern) {
      29           0 :     if (*pattern == '*') {
      30           0 :       if (!*++pattern) {
      31           0 :         return true;
      32             :       }
      33           0 :       while (*target) {
      34           0 :         if ((toupper(*pattern) == toupper(*target))
      35           0 :             && string_match(target + 1, pattern + 1)) {
      36           0 :           return true;
      37             :         }
      38           0 :         ++target;
      39             :       }
      40           0 :       return false;
      41             :     } else {
      42           0 :       if (toupper(*pattern) != toupper(*target)) {
      43           0 :         return false;
      44             :       }
      45           0 :       ++target;
      46           0 :       ++pattern;
      47             :     }
      48             :   }
      49           0 :   return !*target;
      50             : }
      51             : 
      52             : #if defined(WEBRTC_WIN)
      53             : int ascii_string_compare(const wchar_t* s1, const char* s2, size_t n,
      54             :                          CharacterTransformation transformation) {
      55             :   wchar_t c1, c2;
      56             :   while (true) {
      57             :     if (n-- == 0) return 0;
      58             :     c1 = transformation(*s1);
      59             :     // Double check that characters are not UTF-8
      60             :     RTC_DCHECK_LT(*s2, 128);
      61             :     // Note: *s2 gets implicitly promoted to wchar_t
      62             :     c2 = transformation(*s2);
      63             :     if (c1 != c2) return (c1 < c2) ? -1 : 1;
      64             :     if (!c1) return 0;
      65             :     ++s1;
      66             :     ++s2;
      67             :   }
      68             : }
      69             : 
      70             : size_t asccpyn(wchar_t* buffer, size_t buflen,
      71             :                const char* source, size_t srclen) {
      72             :   if (buflen <= 0)
      73             :     return 0;
      74             : 
      75             :   if (srclen == SIZE_UNKNOWN) {
      76             :     srclen = strlenn(source, buflen - 1);
      77             :   } else if (srclen >= buflen) {
      78             :     srclen = buflen - 1;
      79             :   }
      80             : #if RTC_DCHECK_IS_ON
      81             :   // Double check that characters are not UTF-8
      82             :   for (size_t pos = 0; pos < srclen; ++pos)
      83             :     RTC_DCHECK_LT(source[pos], 128);
      84             : #endif
      85             :   std::copy(source, source + srclen, buffer);
      86             :   buffer[srclen] = 0;
      87             :   return srclen;
      88             : }
      89             : 
      90             : #endif  // WEBRTC_WIN
      91             : 
      92           0 : void replace_substrs(const char *search,
      93             :                      size_t search_len,
      94             :                      const char *replace,
      95             :                      size_t replace_len,
      96             :                      std::string *s) {
      97           0 :   size_t pos = 0;
      98           0 :   while ((pos = s->find(search, pos, search_len)) != std::string::npos) {
      99           0 :     s->replace(pos, search_len, replace, replace_len);
     100           0 :     pos += replace_len;
     101             :   }
     102           0 : }
     103             : 
     104           0 : bool starts_with(const char *s1, const char *s2) {
     105           0 :   return strncmp(s1, s2, strlen(s2)) == 0;
     106             : }
     107             : 
     108           0 : bool ends_with(const char *s1, const char *s2) {
     109           0 :   size_t s1_length = strlen(s1);
     110           0 :   size_t s2_length = strlen(s2);
     111             : 
     112           0 :   if (s2_length > s1_length) {
     113           0 :     return false;
     114             :   }
     115             : 
     116           0 :   const char* start = s1 + (s1_length - s2_length);
     117           0 :   return strncmp(start, s2, s2_length) == 0;
     118             : }
     119             : 
     120             : static const char kWhitespace[] = " \n\r\t";
     121             : 
     122           0 : std::string string_trim(const std::string& s) {
     123           0 :   std::string::size_type first = s.find_first_not_of(kWhitespace);
     124           0 :   std::string::size_type last  = s.find_last_not_of(kWhitespace);
     125             : 
     126           0 :   if (first == std::string::npos || last == std::string::npos) {
     127           0 :     return std::string("");
     128             :   }
     129             : 
     130           0 :   return s.substr(first, last - first + 1);
     131             : }
     132             : 
     133             : }  // namespace rtc

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