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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/plugins/base/nsPluginManifestLineReader.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/plugins/base/nsPluginManifestLineReader.h')
-rw-r--r--dom/plugins/base/nsPluginManifestLineReader.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/dom/plugins/base/nsPluginManifestLineReader.h b/dom/plugins/base/nsPluginManifestLineReader.h
new file mode 100644
index 000000000..be7d77044
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+++ b/dom/plugins/base/nsPluginManifestLineReader.h
@@ -0,0 +1,102 @@
+/* -*- 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() {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