1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/base/nsPluginManifestLineReader.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,102 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsPluginManifestLineReader_h_
1.10 +#define nsPluginManifestLineReader_h_
1.11 +
1.12 +#include "nspr.h"
1.13 +#include "nsDebug.h"
1.14 +
1.15 +#ifdef XP_WIN
1.16 +#define PLUGIN_REGISTRY_FIELD_DELIMITER '|'
1.17 +#else
1.18 +#define PLUGIN_REGISTRY_FIELD_DELIMITER ':'
1.19 +#endif
1.20 +
1.21 +#define PLUGIN_REGISTRY_END_OF_LINE_MARKER '$'
1.22 +
1.23 +class nsPluginManifestLineReader
1.24 +{
1.25 + public:
1.26 + nsPluginManifestLineReader() {mBase = mCur = mNext = mLimit = 0;}
1.27 + ~nsPluginManifestLineReader() { if (mBase) delete[] mBase; mBase=0;}
1.28 +
1.29 + char* Init(uint32_t flen)
1.30 + {
1.31 + mBase = mCur = mNext = new char[flen + 1];
1.32 + if (mBase) {
1.33 + mLimit = mBase + flen;
1.34 + *mLimit = 0;
1.35 + }
1.36 + mLength = 0;
1.37 + return mBase;
1.38 + }
1.39 +
1.40 + bool NextLine()
1.41 + {
1.42 + if (mNext >= mLimit)
1.43 + return false;
1.44 +
1.45 + mCur = mNext;
1.46 + mLength = 0;
1.47 +
1.48 + char *lastDelimiter = 0;
1.49 + while(mNext < mLimit) {
1.50 + if (IsEOL(*mNext)) {
1.51 + if (lastDelimiter) {
1.52 + if (lastDelimiter && *(mNext - 1) != PLUGIN_REGISTRY_END_OF_LINE_MARKER)
1.53 + return false;
1.54 + *lastDelimiter = '\0';
1.55 + } else {
1.56 + *mNext = '\0';
1.57 + }
1.58 +
1.59 + for (++mNext; mNext < mLimit; ++mNext) {
1.60 + if (!IsEOL(*mNext))
1.61 + break;
1.62 + }
1.63 + return true;
1.64 + }
1.65 + if (*mNext == PLUGIN_REGISTRY_FIELD_DELIMITER)
1.66 + lastDelimiter = mNext;
1.67 + ++mNext;
1.68 + ++mLength;
1.69 + }
1.70 + return false;
1.71 + }
1.72 +
1.73 + int ParseLine(char** chunks, int maxChunks)
1.74 + {
1.75 + NS_ASSERTION(mCur && maxChunks && chunks, "bad call to ParseLine");
1.76 + int found = 0;
1.77 + chunks[found++] = mCur;
1.78 +
1.79 + if (found < maxChunks) {
1.80 + for (char* cur = mCur; *cur; cur++) {
1.81 + if (*cur == PLUGIN_REGISTRY_FIELD_DELIMITER) {
1.82 + *cur = 0;
1.83 + chunks[found++] = cur + 1;
1.84 + if (found == maxChunks)
1.85 + break;
1.86 + }
1.87 + }
1.88 + }
1.89 + return found;
1.90 + }
1.91 +
1.92 + char* LinePtr() { return mCur; }
1.93 + uint32_t LineLength() { return mLength; }
1.94 +
1.95 + bool IsEOL(char c) {return c == '\n' || c == '\r';}
1.96 +
1.97 + char* mBase;
1.98 + private:
1.99 + char* mCur;
1.100 + uint32_t mLength;
1.101 + char* mNext;
1.102 + char* mLimit;
1.103 +};
1.104 +
1.105 +#endif
