1 files changed, 151 insertions, 0 deletions
diff --git a/src/maildir-readcache.cc b/src/maildir-readcache.cc
new file mode 100644
index 0000000..a108242
--- /dev/null
+++ b/src/maildir-readcache.cc
@@ -0,0 +1,151 @@
+/**  --------------------------------------------------------------------
+ *  @file  maildir-readcache.cc
+ *  @brief  Implementation of the Maildir class.
+ *  @author Andreas Aardal Hanssen
+ *  @date 2002-2005
+ *  -----------------------------------------------------------------  **/
+#include <algorithm>
+#include "maildir.h"
+#include "convert.h"
+#include "globals.h"
+
+using namespace ::std;
+using namespace Binc;
+
+//------------------------------------------------------------------------
+Maildir::ReadCacheResult Maildir::readCache(void)
+{
+  index.clearUids();
+
+  const string cachefilename = path + "/bincimap-cache";
+  FILE *fp = fopen(cachefilename.c_str(), "r");
+  if (!fp) {
+    uidvalidity = time(0);
+    uidnext = 1;
+    messages.clear();
+    index.clear();
+    newMessages.clear();
+    return NoCache;
+  }
+
+  char inputBuffer[512];
+  if (!fgets(inputBuffer, sizeof(inputBuffer), fp)) {
+    fclose(fp);
+    uidvalidity = time(0);
+    uidnext = 1;
+    messages.clear();
+    index.clear();
+    newMessages.clear();
+    return NoCache;
+  }
+
+  // terminate the buffer
+  inputBuffer[sizeof(inputBuffer) - 1] = '\0';
+
+  char cacheFileVersionBuffer[512];
+  unsigned int readUidValidity;
+  unsigned int readUidNext;
+
+  if (sscanf(inputBuffer, "%s %u %u", cacheFileVersionBuffer, &readUidValidity, &readUidNext) != 3
+      || strcmp(cacheFileVersionBuffer, BINC_CACHE) != 0) {
+    // bump cache
+    fclose(fp);
+    uidvalidity = time(0);
+    uidnext = 1;
+    messages.clear();
+    index.clear();
+    newMessages.clear();
+    return NoCache;
+  }
+
+  uidnext = readUidNext;
+  uidvalidity = readUidValidity;
+
+  unsigned int readUID;
+  unsigned int readSize;
+  unsigned int readInternalDate;
+  char readUnique[512];
+
+  while (fgets(inputBuffer, sizeof(inputBuffer), fp)) {
+    inputBuffer[sizeof(inputBuffer) - 1] = '\0';
+    if (sscanf(inputBuffer, "%u %u %u %s", &readUID,
+         &readInternalDate, &readSize, readUnique) != 4) {
+      // error in input
+      fclose(fp);
+      uidvalidity = time(0);
+      uidnext = 1;
+      messages.clear();
+      index.clear();
+      newMessages.clear();
+      return NoCache;
+    }
+
+    vector<string> customFlags;
+
+    char *flagStart = inputBuffer;
+    for (int i = 0; flagStart != 0 && *flagStart != '\0' && i < 4; ++i) {
+      flagStart = strchr(flagStart, ' ');
+
+      // skip consecutive white space
+      while (flagStart && *flagStart == ' ')
+       ++flagStart;
+    }
+
+    // get flags
+    while (flagStart) {
+      char *lastOffset = flagStart;
+      flagStart = strchr(flagStart, ' ');
+      if (flagStart) {
+        *flagStart = '\0';
+        ++flagStart;
+      }
+
+      customFlags.push_back(lastOffset);
+
+      // skip consecutive white space
+      while (flagStart && *flagStart != '\0' && *flagStart == ' ')
+  ++flagStart;
+    }
+
+    MaildirMessage m(*this);
+    m.setUnique(readUnique);
+    m.setInternalDate(readInternalDate);
+
+    if (index.find(readUnique) == 0) {
+      for (vector<string>::const_iterator it = customFlags.begin();
+           it != customFlags.end(); ++it) {
+       string tmpFlag = *it;
+       trim(tmpFlag, " \n");
+       m.setCustomFlag(tmpFlag);
+      }
+
+      m.setUID(readUID);
+      m.setInternalFlag(MaildirMessage::JustArrived);
+      m.setSize(readSize);
+      add(m);
+    } else {
+      // Remember to insert the uid of the message again - we reset this
+      // at the top of this function.
+      index.insert(readUnique, readUID);
+      MaildirMessage &existingMessage = messages.find(readUID)->second;
+
+      vector<string> oldCustomFlags = existingMessage.getCustomFlags();
+      sort(oldCustomFlags.begin(), oldCustomFlags.end());
+      sort(customFlags.begin(), customFlags.end());
+      if (oldCustomFlags != customFlags) {
+        existingMessage.resetCustomFlags();
+        for (vector<string>::const_iterator it = customFlags.begin();
+             it != customFlags.end(); ++it) {
+          string tmpFlag = *it;
+          trim(tmpFlag, " \n");
+          existingMessage.setCustomFlag(tmpFlag);
+        }
+      }
+    }
+  }
+
+  fclose(fp);
+
+  return Ok;
+}
+