LCOV - code coverage report
Current view: top level - dom/plugins/base - nsPluginManifestLineReader.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 46 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef nsPluginManifestLineReader_h_
       7             : #define nsPluginManifestLineReader_h_
       8             : 
       9             : #include "nspr.h"
      10             : #include "nsDebug.h"
      11             : 
      12             : #ifdef XP_WIN
      13             : #define PLUGIN_REGISTRY_FIELD_DELIMITER '|'
      14             : #else
      15             : #define PLUGIN_REGISTRY_FIELD_DELIMITER ':'
      16             : #endif
      17             : 
      18             : #define PLUGIN_REGISTRY_END_OF_LINE_MARKER '$'
      19             : 
      20             : class nsPluginManifestLineReader
      21             : {
      22             :   public:
      23           0 :     nsPluginManifestLineReader() {mBase = mCur = mNext = mLimit = 0;}
      24           0 :     ~nsPluginManifestLineReader() { if (mBase) delete[] mBase; mBase=0;}
      25             : 
      26           0 :     char* Init(uint32_t flen)
      27             :     {
      28           0 :       mBase = mCur = mNext = new char[flen + 1];
      29           0 :       if (mBase) {
      30           0 :         mLimit = mBase + flen;
      31           0 :         *mLimit = 0;
      32             :       }
      33           0 :       mLength = 0;
      34           0 :       return mBase;
      35             :     }
      36             : 
      37           0 :     bool NextLine()
      38             :     {
      39           0 :       if (mNext >= mLimit)
      40           0 :         return false;
      41             : 
      42           0 :       mCur = mNext;
      43           0 :       mLength = 0;
      44             : 
      45           0 :       char *lastDelimiter = 0;
      46           0 :       while(mNext < mLimit) {
      47           0 :         if (IsEOL(*mNext)) {
      48           0 :           if (lastDelimiter) {
      49           0 :             if (lastDelimiter && *(mNext - 1) != PLUGIN_REGISTRY_END_OF_LINE_MARKER)
      50           0 :               return false;
      51           0 :             *lastDelimiter = '\0';
      52             :           } else {
      53           0 :             *mNext = '\0';
      54             :           }
      55             : 
      56           0 :           for (++mNext; mNext < mLimit; ++mNext) {
      57           0 :             if (!IsEOL(*mNext))
      58           0 :               break;
      59             :           }
      60           0 :           return true;
      61             :         }
      62           0 :         if (*mNext == PLUGIN_REGISTRY_FIELD_DELIMITER)
      63           0 :           lastDelimiter = mNext;
      64           0 :         ++mNext;
      65           0 :         ++mLength;
      66             :       }
      67           0 :       return false;
      68             :     }
      69             : 
      70           0 :     int ParseLine(char** chunks, int maxChunks)
      71             :     {
      72           0 :       NS_ASSERTION(mCur && maxChunks && chunks, "bad call to ParseLine");
      73           0 :       int found = 0;
      74           0 :       chunks[found++] = mCur;
      75             : 
      76           0 :       if (found < maxChunks) {
      77           0 :         for (char* cur = mCur; *cur; cur++) {
      78           0 :           if (*cur == PLUGIN_REGISTRY_FIELD_DELIMITER) {
      79           0 :             *cur = 0;
      80           0 :             chunks[found++] = cur + 1;
      81           0 :             if (found == maxChunks)
      82           0 :               break;
      83             :           }
      84             :         }
      85             :       }
      86           0 :       return found;
      87             :     }
      88             : 
      89           0 :     char*       LinePtr() { return mCur; }
      90           0 :     uint32_t    LineLength() { return mLength; }
      91             : 
      92           0 :     bool        IsEOL(char c) {return c == '\n' || c == '\r';}
      93             : 
      94             :     char*       mBase;
      95             :   private:
      96             :     char*       mCur;
      97             :     uint32_t    mLength;
      98             :     char*       mNext;
      99             :     char*       mLimit;
     100             : };
     101             : 
     102             : #endif

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