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
--- /dev/null
+++ 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