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add api's to convert back and forth between yarn and ints and strings

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This commit is contained in:
bienvenu%netscape.com 1999-02-02 05:09:34 +00:00
parent ad3a2965f8
commit 0a2ce7af7f
4 changed files with 66 additions and 3 deletions
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6
mailnews/db/msgdb/public/nsMsgDatabase.h
View File

@ -94,8 +94,12 @@ public:
static nsMsgDatabase* FindInCache(nsFilePath &dbName);
// helper function to copy an nsString to a yarn.
// helper functions to copy an nsString to a yarn, int32 to yarn, and vice versa.
static struct mdbYarn *nsStringToYarn(struct mdbYarn *yarn, nsString *str);
static struct mdbYarn *UInt32ToYarn(struct mdbYarn *yarn, PRUint32 i);
static void YarnTonsString(struct mdbYarn *yarn, nsString *str);
static void YarnToUInt32(struct mdbYarn *yarn, PRUint32 *i);
static void CleanupCache();
#ifdef DEBUG
static int GetNumInCache(void) {return(GetDBCache()->GetSize());}

1
mailnews/db/msgdb/public/nsMsgHdr.h
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@ -33,6 +33,7 @@ class nsMsgHdr
{
public:
nsMsgHdr();
nsMsgHdr(mdbRow *dbRow);
virtual ~nsMsgHdr();
nsrefcnt AddRef(void);
nsrefcnt Release(void);

53
mailnews/db/msgdb/src/nsMsgDatabase.cpp
View File

@ -386,14 +386,43 @@ nsresult nsMsgDatabase::CreateNewHdr(PRBool *newThread, MessageHdrStruct *hdrStr
if (NS_SUCCEEDED(err))
{
struct mdbYarn yarn;
char int32StrBuf[20];
yarn.mYarn_Grow = NULL;
hdrRow->AddColumn(GetEnv(), m_subjectColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_author));
hdrRow->AddColumn(GetEnv(), m_subjectColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_subject));
delete[] yarn.mYarn_Buf; // won't need this when we have nsCString
hdrRow->AddColumn(GetEnv(), m_senderColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_author));
delete[] yarn.mYarn_Buf; // won't need this when we have nsCString
hdrRow->AddColumn(GetEnv(), m_messageIdColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_messageId));
delete[] yarn.mYarn_Buf; // won't need this when we have nsCString
hdrRow->AddColumn(GetEnv(), m_referencesColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_references));
delete[] yarn.mYarn_Buf; // won't need this when we have nsCString
hdrRow->AddColumn(GetEnv(), m_recipientsColumnToken, nsStringToYarn(&yarn, &hdrStruct->m_recipients));
delete[] yarn.mYarn_Buf; // won't need this when we have nsCString
yarn.mYarn_Buf = int32StrBuf;
yarn.mYarn_Size = sizeof(int32StrBuf);
yarn.mYarn_Fill = sizeof(int32StrBuf);
hdrRow->AddColumn(GetEnv(), m_dateColumnToken, UInt32ToYarn(&yarn, hdrStruct->m_date));
hdrRow->AddColumn(GetEnv(), m_messageSizeColumnToken, UInt32ToYarn(&yarn, hdrStruct->m_messageSize));
hdrRow->AddColumn(GetEnv(), m_flagsColumnToken, UInt32ToYarn(&yarn, hdrStruct->m_flags));
hdrRow->AddColumn(GetEnv(), m_priorityColumnToken, UInt32ToYarn(&yarn, hdrStruct->m_priority));
err = m_mdbAllMsgHeadersTable->AddRow(GetEnv(), hdrRow);
}
if (err == NS_OK)
{
*newHdr = new nsMsgHdr(hdrRow);
}
return err;
}
@ -406,3 +435,25 @@ nsresult nsMsgDatabase::CreateNewHdr(PRBool *newThread, MessageHdrStruct *hdrStr
return yarn;
}
/* static */struct mdbYarn *nsMsgDatabase::UInt32ToYarn(struct mdbYarn *yarn, PRUint32 i)
{
PR_snprintf((char *) yarn->mYarn_Buf, yarn->mYarn_Size, "%uld", i);
yarn->mYarn_Fill = PL_strlen((const char *) yarn->mYarn_Buf) + 1;
yarn->mYarn_Form = 0; // what to do with this? Should be parsed out of the mime2 header?
return yarn;
}
/* static */void nsMsgDatabase::YarnTonsString(struct mdbYarn *yarn, nsString *str)
{
str->SetString((const char *) yarn->mYarn_Buf, yarn->mYarn_Fill);
}
// convenient function for atol on int32's
int32 atoint32(char *ascii);
/* static */void nsMsgDatabase::YarnToUInt32(struct mdbYarn *yarn, PRUint32 *i)
{
char *endPtr;
*i = XP_STRTOUL((char *) yarn->mYarn_Buf, &endPtr, yarn->mYarn_Fill);
}

9
mailnews/db/msgdb/src/nsMsgHdr.cpp
View File

@ -21,11 +21,18 @@
nsMsgHdr::nsMsgHdr()
{
mRefCnt = 0;
mRefCnt = 1;
m_mdb = NULL;
m_mdbRow = NULL;
}
nsMsgHdr::nsMsgHdr(mdbRow *dbRow)
{
mRefCnt = 1;
m_mdb = NULL;
m_mdbRow = dbRow;
}
nsMsgHdr::~nsMsgHdr()
{
if (m_mdbRow)