зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.3 KiB
C++
102 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsPluginManifestLineReader_h_
|
|
#define nsPluginManifestLineReader_h_
|
|
|
|
#include "nspr.h"
|
|
#include "nsDebug.h"
|
|
|
|
#ifdef XP_WIN
|
|
# define PLUGIN_REGISTRY_FIELD_DELIMITER '|'
|
|
#else
|
|
# define PLUGIN_REGISTRY_FIELD_DELIMITER ':'
|
|
#endif
|
|
|
|
#define PLUGIN_REGISTRY_END_OF_LINE_MARKER '$'
|
|
|
|
class nsPluginManifestLineReader {
|
|
public:
|
|
nsPluginManifestLineReader() : mLength(0) {
|
|
mBase = mCur = mNext = mLimit = 0;
|
|
}
|
|
~nsPluginManifestLineReader() {
|
|
if (mBase) delete[] mBase;
|
|
mBase = 0;
|
|
}
|
|
|
|
char* Init(uint32_t flen) {
|
|
mBase = mCur = mNext = new char[flen + 1];
|
|
if (mBase) {
|
|
mLimit = mBase + flen;
|
|
*mLimit = 0;
|
|
}
|
|
mLength = 0;
|
|
return mBase;
|
|
}
|
|
|
|
bool NextLine() {
|
|
if (mNext >= mLimit) return false;
|
|
|
|
mCur = mNext;
|
|
mLength = 0;
|
|
|
|
char* lastDelimiter = 0;
|
|
while (mNext < mLimit) {
|
|
if (IsEOL(*mNext)) {
|
|
if (lastDelimiter) {
|
|
if (lastDelimiter &&
|
|
*(mNext - 1) != PLUGIN_REGISTRY_END_OF_LINE_MARKER)
|
|
return false;
|
|
*lastDelimiter = '\0';
|
|
} else {
|
|
*mNext = '\0';
|
|
}
|
|
|
|
for (++mNext; mNext < mLimit; ++mNext) {
|
|
if (!IsEOL(*mNext)) break;
|
|
}
|
|
return true;
|
|
}
|
|
if (*mNext == PLUGIN_REGISTRY_FIELD_DELIMITER) lastDelimiter = mNext;
|
|
++mNext;
|
|
++mLength;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int ParseLine(char** chunks, int maxChunks) {
|
|
NS_ASSERTION(mCur && maxChunks && chunks, "bad call to ParseLine");
|
|
int found = 0;
|
|
chunks[found++] = mCur;
|
|
|
|
if (found < maxChunks) {
|
|
for (char* cur = mCur; *cur; cur++) {
|
|
if (*cur == PLUGIN_REGISTRY_FIELD_DELIMITER) {
|
|
*cur = 0;
|
|
chunks[found++] = cur + 1;
|
|
if (found == maxChunks) break;
|
|
}
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
char* LinePtr() { return mCur; }
|
|
uint32_t LineLength() { return mLength; }
|
|
|
|
bool IsEOL(char c) { return c == '\n' || c == '\r'; }
|
|
|
|
char* mBase;
|
|
|
|
private:
|
|
char* mCur;
|
|
uint32_t mLength;
|
|
char* mNext;
|
|
char* mLimit;
|
|
};
|
|
|
|
#endif
|